mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 17:08:10 +00:00
49d58f04eb
Display the physical address at the tail if it is available. Signed-off-by: Kan Liang <kan.liang@intel.com> Tested-by: Jiri Olsa <jolsa@redhat.com> Acked-by: Stephane Eranian <eranian@google.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1504026672-7304-5-git-send-email-kan.liang@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
3093 lines
78 KiB
C
3093 lines
78 KiB
C
#include "builtin.h"
|
|
|
|
#include "perf.h"
|
|
#include "util/cache.h"
|
|
#include "util/debug.h"
|
|
#include <subcmd/exec-cmd.h>
|
|
#include "util/header.h"
|
|
#include <subcmd/parse-options.h>
|
|
#include "util/perf_regs.h"
|
|
#include "util/session.h"
|
|
#include "util/tool.h"
|
|
#include "util/symbol.h"
|
|
#include "util/thread.h"
|
|
#include "util/trace-event.h"
|
|
#include "util/util.h"
|
|
#include "util/evlist.h"
|
|
#include "util/evsel.h"
|
|
#include "util/sort.h"
|
|
#include "util/data.h"
|
|
#include "util/auxtrace.h"
|
|
#include "util/cpumap.h"
|
|
#include "util/thread_map.h"
|
|
#include "util/stat.h"
|
|
#include "util/string2.h"
|
|
#include "util/thread-stack.h"
|
|
#include "util/time-utils.h"
|
|
#include "print_binary.h"
|
|
#include <linux/bitmap.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/stringify.h>
|
|
#include <linux/time64.h>
|
|
#include "asm/bug.h"
|
|
#include "util/mem-events.h"
|
|
#include "util/dump-insn.h"
|
|
#include <dirent.h>
|
|
#include <errno.h>
|
|
#include <inttypes.h>
|
|
#include <signal.h>
|
|
#include <sys/param.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
|
|
#include "sane_ctype.h"
|
|
|
|
static char const *script_name;
|
|
static char const *generate_script_lang;
|
|
static bool debug_mode;
|
|
static u64 last_timestamp;
|
|
static u64 nr_unordered;
|
|
static bool no_callchain;
|
|
static bool latency_format;
|
|
static bool system_wide;
|
|
static bool print_flags;
|
|
static bool nanosecs;
|
|
static const char *cpu_list;
|
|
static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
|
|
static struct perf_stat_config stat_config;
|
|
static int max_blocks;
|
|
|
|
unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
|
|
|
|
enum perf_output_field {
|
|
PERF_OUTPUT_COMM = 1U << 0,
|
|
PERF_OUTPUT_TID = 1U << 1,
|
|
PERF_OUTPUT_PID = 1U << 2,
|
|
PERF_OUTPUT_TIME = 1U << 3,
|
|
PERF_OUTPUT_CPU = 1U << 4,
|
|
PERF_OUTPUT_EVNAME = 1U << 5,
|
|
PERF_OUTPUT_TRACE = 1U << 6,
|
|
PERF_OUTPUT_IP = 1U << 7,
|
|
PERF_OUTPUT_SYM = 1U << 8,
|
|
PERF_OUTPUT_DSO = 1U << 9,
|
|
PERF_OUTPUT_ADDR = 1U << 10,
|
|
PERF_OUTPUT_SYMOFFSET = 1U << 11,
|
|
PERF_OUTPUT_SRCLINE = 1U << 12,
|
|
PERF_OUTPUT_PERIOD = 1U << 13,
|
|
PERF_OUTPUT_IREGS = 1U << 14,
|
|
PERF_OUTPUT_BRSTACK = 1U << 15,
|
|
PERF_OUTPUT_BRSTACKSYM = 1U << 16,
|
|
PERF_OUTPUT_DATA_SRC = 1U << 17,
|
|
PERF_OUTPUT_WEIGHT = 1U << 18,
|
|
PERF_OUTPUT_BPF_OUTPUT = 1U << 19,
|
|
PERF_OUTPUT_CALLINDENT = 1U << 20,
|
|
PERF_OUTPUT_INSN = 1U << 21,
|
|
PERF_OUTPUT_INSNLEN = 1U << 22,
|
|
PERF_OUTPUT_BRSTACKINSN = 1U << 23,
|
|
PERF_OUTPUT_BRSTACKOFF = 1U << 24,
|
|
PERF_OUTPUT_SYNTH = 1U << 25,
|
|
PERF_OUTPUT_PHYS_ADDR = 1U << 26,
|
|
};
|
|
|
|
struct output_option {
|
|
const char *str;
|
|
enum perf_output_field field;
|
|
} all_output_options[] = {
|
|
{.str = "comm", .field = PERF_OUTPUT_COMM},
|
|
{.str = "tid", .field = PERF_OUTPUT_TID},
|
|
{.str = "pid", .field = PERF_OUTPUT_PID},
|
|
{.str = "time", .field = PERF_OUTPUT_TIME},
|
|
{.str = "cpu", .field = PERF_OUTPUT_CPU},
|
|
{.str = "event", .field = PERF_OUTPUT_EVNAME},
|
|
{.str = "trace", .field = PERF_OUTPUT_TRACE},
|
|
{.str = "ip", .field = PERF_OUTPUT_IP},
|
|
{.str = "sym", .field = PERF_OUTPUT_SYM},
|
|
{.str = "dso", .field = PERF_OUTPUT_DSO},
|
|
{.str = "addr", .field = PERF_OUTPUT_ADDR},
|
|
{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
|
|
{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
|
|
{.str = "period", .field = PERF_OUTPUT_PERIOD},
|
|
{.str = "iregs", .field = PERF_OUTPUT_IREGS},
|
|
{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
|
|
{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
|
|
{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
|
|
{.str = "weight", .field = PERF_OUTPUT_WEIGHT},
|
|
{.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT},
|
|
{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
|
|
{.str = "insn", .field = PERF_OUTPUT_INSN},
|
|
{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
|
|
{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
|
|
{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
|
|
{.str = "synth", .field = PERF_OUTPUT_SYNTH},
|
|
{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
|
|
};
|
|
|
|
enum {
|
|
OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
|
|
OUTPUT_TYPE_MAX
|
|
};
|
|
|
|
/* default set to maintain compatibility with current format */
|
|
static struct {
|
|
bool user_set;
|
|
bool wildcard_set;
|
|
unsigned int print_ip_opts;
|
|
u64 fields;
|
|
u64 invalid_fields;
|
|
} output[OUTPUT_TYPE_MAX] = {
|
|
|
|
[PERF_TYPE_HARDWARE] = {
|
|
.user_set = false,
|
|
|
|
.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
|
|
PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
|
|
PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
|
|
PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
|
|
PERF_OUTPUT_PERIOD,
|
|
|
|
.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
|
|
},
|
|
|
|
[PERF_TYPE_SOFTWARE] = {
|
|
.user_set = false,
|
|
|
|
.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
|
|
PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
|
|
PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
|
|
PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
|
|
PERF_OUTPUT_PERIOD | PERF_OUTPUT_BPF_OUTPUT,
|
|
|
|
.invalid_fields = PERF_OUTPUT_TRACE,
|
|
},
|
|
|
|
[PERF_TYPE_TRACEPOINT] = {
|
|
.user_set = false,
|
|
|
|
.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
|
|
PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
|
|
PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
|
|
},
|
|
|
|
[PERF_TYPE_RAW] = {
|
|
.user_set = false,
|
|
|
|
.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
|
|
PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
|
|
PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
|
|
PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
|
|
PERF_OUTPUT_PERIOD | PERF_OUTPUT_ADDR |
|
|
PERF_OUTPUT_DATA_SRC | PERF_OUTPUT_WEIGHT |
|
|
PERF_OUTPUT_PHYS_ADDR,
|
|
|
|
.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
|
|
},
|
|
|
|
[PERF_TYPE_BREAKPOINT] = {
|
|
.user_set = false,
|
|
|
|
.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
|
|
PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
|
|
PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
|
|
PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
|
|
PERF_OUTPUT_PERIOD,
|
|
|
|
.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
|
|
},
|
|
|
|
[OUTPUT_TYPE_SYNTH] = {
|
|
.user_set = false,
|
|
|
|
.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
|
|
PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
|
|
PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
|
|
PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
|
|
PERF_OUTPUT_SYNTH,
|
|
|
|
.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
|
|
},
|
|
};
|
|
|
|
static inline int output_type(unsigned int type)
|
|
{
|
|
switch (type) {
|
|
case PERF_TYPE_SYNTH:
|
|
return OUTPUT_TYPE_SYNTH;
|
|
default:
|
|
return type;
|
|
}
|
|
}
|
|
|
|
static inline unsigned int attr_type(unsigned int type)
|
|
{
|
|
switch (type) {
|
|
case OUTPUT_TYPE_SYNTH:
|
|
return PERF_TYPE_SYNTH;
|
|
default:
|
|
return type;
|
|
}
|
|
}
|
|
|
|
static bool output_set_by_user(void)
|
|
{
|
|
int j;
|
|
for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
|
|
if (output[j].user_set)
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static const char *output_field2str(enum perf_output_field field)
|
|
{
|
|
int i, imax = ARRAY_SIZE(all_output_options);
|
|
const char *str = "";
|
|
|
|
for (i = 0; i < imax; ++i) {
|
|
if (all_output_options[i].field == field) {
|
|
str = all_output_options[i].str;
|
|
break;
|
|
}
|
|
}
|
|
return str;
|
|
}
|
|
|
|
#define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
|
|
|
|
static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
|
|
u64 sample_type, const char *sample_msg,
|
|
enum perf_output_field field,
|
|
bool allow_user_set)
|
|
{
|
|
struct perf_event_attr *attr = &evsel->attr;
|
|
int type = output_type(attr->type);
|
|
const char *evname;
|
|
|
|
if (attr->sample_type & sample_type)
|
|
return 0;
|
|
|
|
if (output[type].user_set) {
|
|
if (allow_user_set)
|
|
return 0;
|
|
evname = perf_evsel__name(evsel);
|
|
pr_err("Samples for '%s' event do not have %s attribute set. "
|
|
"Cannot print '%s' field.\n",
|
|
evname, sample_msg, output_field2str(field));
|
|
return -1;
|
|
}
|
|
|
|
/* user did not ask for it explicitly so remove from the default list */
|
|
output[type].fields &= ~field;
|
|
evname = perf_evsel__name(evsel);
|
|
pr_debug("Samples for '%s' event do not have %s attribute set. "
|
|
"Skipping '%s' field.\n",
|
|
evname, sample_msg, output_field2str(field));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int perf_evsel__check_stype(struct perf_evsel *evsel,
|
|
u64 sample_type, const char *sample_msg,
|
|
enum perf_output_field field)
|
|
{
|
|
return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
|
|
false);
|
|
}
|
|
|
|
static int perf_evsel__check_attr(struct perf_evsel *evsel,
|
|
struct perf_session *session)
|
|
{
|
|
struct perf_event_attr *attr = &evsel->attr;
|
|
bool allow_user_set;
|
|
|
|
if (perf_header__has_feat(&session->header, HEADER_STAT))
|
|
return 0;
|
|
|
|
allow_user_set = perf_header__has_feat(&session->header,
|
|
HEADER_AUXTRACE);
|
|
|
|
if (PRINT_FIELD(TRACE) &&
|
|
!perf_session__has_traces(session, "record -R"))
|
|
return -EINVAL;
|
|
|
|
if (PRINT_FIELD(IP)) {
|
|
if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
|
|
PERF_OUTPUT_IP))
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (PRINT_FIELD(ADDR) &&
|
|
perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
|
|
PERF_OUTPUT_ADDR, allow_user_set))
|
|
return -EINVAL;
|
|
|
|
if (PRINT_FIELD(DATA_SRC) &&
|
|
perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
|
|
PERF_OUTPUT_DATA_SRC))
|
|
return -EINVAL;
|
|
|
|
if (PRINT_FIELD(WEIGHT) &&
|
|
perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
|
|
PERF_OUTPUT_WEIGHT))
|
|
return -EINVAL;
|
|
|
|
if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
|
|
pr_err("Display of symbols requested but neither sample IP nor "
|
|
"sample address\nis selected. Hence, no addresses to convert "
|
|
"to symbols.\n");
|
|
return -EINVAL;
|
|
}
|
|
if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
|
|
pr_err("Display of offsets requested but symbol is not"
|
|
"selected.\n");
|
|
return -EINVAL;
|
|
}
|
|
if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR) &&
|
|
!PRINT_FIELD(BRSTACK) && !PRINT_FIELD(BRSTACKSYM) && !PRINT_FIELD(BRSTACKOFF)) {
|
|
pr_err("Display of DSO requested but no address to convert. Select\n"
|
|
"sample IP, sample address, brstack, brstacksym, or brstackoff.\n");
|
|
return -EINVAL;
|
|
}
|
|
if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
|
|
pr_err("Display of source line number requested but sample IP is not\n"
|
|
"selected. Hence, no address to lookup the source line number.\n");
|
|
return -EINVAL;
|
|
}
|
|
if (PRINT_FIELD(BRSTACKINSN) &&
|
|
!(perf_evlist__combined_branch_type(session->evlist) &
|
|
PERF_SAMPLE_BRANCH_ANY)) {
|
|
pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
|
|
"Hint: run 'perf record -b ...'\n");
|
|
return -EINVAL;
|
|
}
|
|
if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
|
|
perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
|
|
PERF_OUTPUT_TID|PERF_OUTPUT_PID))
|
|
return -EINVAL;
|
|
|
|
if (PRINT_FIELD(TIME) &&
|
|
perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
|
|
PERF_OUTPUT_TIME))
|
|
return -EINVAL;
|
|
|
|
if (PRINT_FIELD(CPU) &&
|
|
perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
|
|
PERF_OUTPUT_CPU, allow_user_set))
|
|
return -EINVAL;
|
|
|
|
if (PRINT_FIELD(PERIOD) &&
|
|
perf_evsel__check_stype(evsel, PERF_SAMPLE_PERIOD, "PERIOD",
|
|
PERF_OUTPUT_PERIOD))
|
|
return -EINVAL;
|
|
|
|
if (PRINT_FIELD(IREGS) &&
|
|
perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
|
|
PERF_OUTPUT_IREGS))
|
|
return -EINVAL;
|
|
|
|
if (PRINT_FIELD(PHYS_ADDR) &&
|
|
perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
|
|
PERF_OUTPUT_PHYS_ADDR))
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void set_print_ip_opts(struct perf_event_attr *attr)
|
|
{
|
|
unsigned int type = output_type(attr->type);
|
|
|
|
output[type].print_ip_opts = 0;
|
|
if (PRINT_FIELD(IP))
|
|
output[type].print_ip_opts |= EVSEL__PRINT_IP;
|
|
|
|
if (PRINT_FIELD(SYM))
|
|
output[type].print_ip_opts |= EVSEL__PRINT_SYM;
|
|
|
|
if (PRINT_FIELD(DSO))
|
|
output[type].print_ip_opts |= EVSEL__PRINT_DSO;
|
|
|
|
if (PRINT_FIELD(SYMOFFSET))
|
|
output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
|
|
|
|
if (PRINT_FIELD(SRCLINE))
|
|
output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
|
|
}
|
|
|
|
/*
|
|
* verify all user requested events exist and the samples
|
|
* have the expected data
|
|
*/
|
|
static int perf_session__check_output_opt(struct perf_session *session)
|
|
{
|
|
unsigned int j;
|
|
struct perf_evsel *evsel;
|
|
|
|
for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
|
|
evsel = perf_session__find_first_evtype(session, attr_type(j));
|
|
|
|
/*
|
|
* even if fields is set to 0 (ie., show nothing) event must
|
|
* exist if user explicitly includes it on the command line
|
|
*/
|
|
if (!evsel && output[j].user_set && !output[j].wildcard_set &&
|
|
j != OUTPUT_TYPE_SYNTH) {
|
|
pr_err("%s events do not exist. "
|
|
"Remove corresponding -F option to proceed.\n",
|
|
event_type(j));
|
|
return -1;
|
|
}
|
|
|
|
if (evsel && output[j].fields &&
|
|
perf_evsel__check_attr(evsel, session))
|
|
return -1;
|
|
|
|
if (evsel == NULL)
|
|
continue;
|
|
|
|
set_print_ip_opts(&evsel->attr);
|
|
}
|
|
|
|
if (!no_callchain) {
|
|
bool use_callchain = false;
|
|
bool not_pipe = false;
|
|
|
|
evlist__for_each_entry(session->evlist, evsel) {
|
|
not_pipe = true;
|
|
if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) {
|
|
use_callchain = true;
|
|
break;
|
|
}
|
|
}
|
|
if (not_pipe && !use_callchain)
|
|
symbol_conf.use_callchain = false;
|
|
}
|
|
|
|
/*
|
|
* set default for tracepoints to print symbols only
|
|
* if callchains are present
|
|
*/
|
|
if (symbol_conf.use_callchain &&
|
|
!output[PERF_TYPE_TRACEPOINT].user_set) {
|
|
struct perf_event_attr *attr;
|
|
|
|
j = PERF_TYPE_TRACEPOINT;
|
|
|
|
evlist__for_each_entry(session->evlist, evsel) {
|
|
if (evsel->attr.type != j)
|
|
continue;
|
|
|
|
attr = &evsel->attr;
|
|
|
|
if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
|
|
output[j].fields |= PERF_OUTPUT_IP;
|
|
output[j].fields |= PERF_OUTPUT_SYM;
|
|
output[j].fields |= PERF_OUTPUT_DSO;
|
|
set_print_ip_opts(attr);
|
|
goto out;
|
|
}
|
|
}
|
|
}
|
|
|
|
out:
|
|
return 0;
|
|
}
|
|
|
|
static void print_sample_iregs(struct perf_sample *sample,
|
|
struct perf_event_attr *attr)
|
|
{
|
|
struct regs_dump *regs = &sample->intr_regs;
|
|
uint64_t mask = attr->sample_regs_intr;
|
|
unsigned i = 0, r;
|
|
|
|
if (!regs)
|
|
return;
|
|
|
|
for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
|
|
u64 val = regs->regs[i++];
|
|
printf("%5s:0x%"PRIx64" ", perf_reg_name(r), val);
|
|
}
|
|
}
|
|
|
|
static void print_sample_start(struct perf_sample *sample,
|
|
struct thread *thread,
|
|
struct perf_evsel *evsel)
|
|
{
|
|
struct perf_event_attr *attr = &evsel->attr;
|
|
unsigned long secs;
|
|
unsigned long long nsecs;
|
|
|
|
if (PRINT_FIELD(COMM)) {
|
|
if (latency_format)
|
|
printf("%8.8s ", thread__comm_str(thread));
|
|
else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
|
|
printf("%s ", thread__comm_str(thread));
|
|
else
|
|
printf("%16s ", thread__comm_str(thread));
|
|
}
|
|
|
|
if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
|
|
printf("%5d/%-5d ", sample->pid, sample->tid);
|
|
else if (PRINT_FIELD(PID))
|
|
printf("%5d ", sample->pid);
|
|
else if (PRINT_FIELD(TID))
|
|
printf("%5d ", sample->tid);
|
|
|
|
if (PRINT_FIELD(CPU)) {
|
|
if (latency_format)
|
|
printf("%3d ", sample->cpu);
|
|
else
|
|
printf("[%03d] ", sample->cpu);
|
|
}
|
|
|
|
if (PRINT_FIELD(TIME)) {
|
|
nsecs = sample->time;
|
|
secs = nsecs / NSEC_PER_SEC;
|
|
nsecs -= secs * NSEC_PER_SEC;
|
|
|
|
if (nanosecs)
|
|
printf("%5lu.%09llu: ", secs, nsecs);
|
|
else {
|
|
char sample_time[32];
|
|
timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time));
|
|
printf("%12s: ", sample_time);
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline char
|
|
mispred_str(struct branch_entry *br)
|
|
{
|
|
if (!(br->flags.mispred || br->flags.predicted))
|
|
return '-';
|
|
|
|
return br->flags.predicted ? 'P' : 'M';
|
|
}
|
|
|
|
static void print_sample_brstack(struct perf_sample *sample,
|
|
struct thread *thread,
|
|
struct perf_event_attr *attr)
|
|
{
|
|
struct branch_stack *br = sample->branch_stack;
|
|
struct addr_location alf, alt;
|
|
u64 i, from, to;
|
|
|
|
if (!(br && br->nr))
|
|
return;
|
|
|
|
for (i = 0; i < br->nr; i++) {
|
|
from = br->entries[i].from;
|
|
to = br->entries[i].to;
|
|
|
|
if (PRINT_FIELD(DSO)) {
|
|
memset(&alf, 0, sizeof(alf));
|
|
memset(&alt, 0, sizeof(alt));
|
|
thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
|
|
thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
|
|
}
|
|
|
|
printf("0x%"PRIx64, from);
|
|
if (PRINT_FIELD(DSO)) {
|
|
printf("(");
|
|
map__fprintf_dsoname(alf.map, stdout);
|
|
printf(")");
|
|
}
|
|
|
|
printf("/0x%"PRIx64, to);
|
|
if (PRINT_FIELD(DSO)) {
|
|
printf("(");
|
|
map__fprintf_dsoname(alt.map, stdout);
|
|
printf(")");
|
|
}
|
|
|
|
printf("/%c/%c/%c/%d ",
|
|
mispred_str( br->entries + i),
|
|
br->entries[i].flags.in_tx? 'X' : '-',
|
|
br->entries[i].flags.abort? 'A' : '-',
|
|
br->entries[i].flags.cycles);
|
|
}
|
|
}
|
|
|
|
static void print_sample_brstacksym(struct perf_sample *sample,
|
|
struct thread *thread,
|
|
struct perf_event_attr *attr)
|
|
{
|
|
struct branch_stack *br = sample->branch_stack;
|
|
struct addr_location alf, alt;
|
|
u64 i, from, to;
|
|
|
|
if (!(br && br->nr))
|
|
return;
|
|
|
|
for (i = 0; i < br->nr; i++) {
|
|
|
|
memset(&alf, 0, sizeof(alf));
|
|
memset(&alt, 0, sizeof(alt));
|
|
from = br->entries[i].from;
|
|
to = br->entries[i].to;
|
|
|
|
thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
|
|
if (alf.map)
|
|
alf.sym = map__find_symbol(alf.map, alf.addr);
|
|
|
|
thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
|
|
if (alt.map)
|
|
alt.sym = map__find_symbol(alt.map, alt.addr);
|
|
|
|
symbol__fprintf_symname_offs(alf.sym, &alf, stdout);
|
|
if (PRINT_FIELD(DSO)) {
|
|
printf("(");
|
|
map__fprintf_dsoname(alf.map, stdout);
|
|
printf(")");
|
|
}
|
|
putchar('/');
|
|
symbol__fprintf_symname_offs(alt.sym, &alt, stdout);
|
|
if (PRINT_FIELD(DSO)) {
|
|
printf("(");
|
|
map__fprintf_dsoname(alt.map, stdout);
|
|
printf(")");
|
|
}
|
|
printf("/%c/%c/%c/%d ",
|
|
mispred_str( br->entries + i),
|
|
br->entries[i].flags.in_tx? 'X' : '-',
|
|
br->entries[i].flags.abort? 'A' : '-',
|
|
br->entries[i].flags.cycles);
|
|
}
|
|
}
|
|
|
|
static void print_sample_brstackoff(struct perf_sample *sample,
|
|
struct thread *thread,
|
|
struct perf_event_attr *attr)
|
|
{
|
|
struct branch_stack *br = sample->branch_stack;
|
|
struct addr_location alf, alt;
|
|
u64 i, from, to;
|
|
|
|
if (!(br && br->nr))
|
|
return;
|
|
|
|
for (i = 0; i < br->nr; i++) {
|
|
|
|
memset(&alf, 0, sizeof(alf));
|
|
memset(&alt, 0, sizeof(alt));
|
|
from = br->entries[i].from;
|
|
to = br->entries[i].to;
|
|
|
|
thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
|
|
if (alf.map && !alf.map->dso->adjust_symbols)
|
|
from = map__map_ip(alf.map, from);
|
|
|
|
thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
|
|
if (alt.map && !alt.map->dso->adjust_symbols)
|
|
to = map__map_ip(alt.map, to);
|
|
|
|
printf("0x%"PRIx64, from);
|
|
if (PRINT_FIELD(DSO)) {
|
|
printf("(");
|
|
map__fprintf_dsoname(alf.map, stdout);
|
|
printf(")");
|
|
}
|
|
printf("/0x%"PRIx64, to);
|
|
if (PRINT_FIELD(DSO)) {
|
|
printf("(");
|
|
map__fprintf_dsoname(alt.map, stdout);
|
|
printf(")");
|
|
}
|
|
printf("/%c/%c/%c/%d ",
|
|
mispred_str(br->entries + i),
|
|
br->entries[i].flags.in_tx ? 'X' : '-',
|
|
br->entries[i].flags.abort ? 'A' : '-',
|
|
br->entries[i].flags.cycles);
|
|
}
|
|
}
|
|
#define MAXBB 16384UL
|
|
|
|
static int grab_bb(u8 *buffer, u64 start, u64 end,
|
|
struct machine *machine, struct thread *thread,
|
|
bool *is64bit, u8 *cpumode, bool last)
|
|
{
|
|
long offset, len;
|
|
struct addr_location al;
|
|
bool kernel;
|
|
|
|
if (!start || !end)
|
|
return 0;
|
|
|
|
kernel = machine__kernel_ip(machine, start);
|
|
if (kernel)
|
|
*cpumode = PERF_RECORD_MISC_KERNEL;
|
|
else
|
|
*cpumode = PERF_RECORD_MISC_USER;
|
|
|
|
/*
|
|
* Block overlaps between kernel and user.
|
|
* This can happen due to ring filtering
|
|
* On Intel CPUs the entry into the kernel is filtered,
|
|
* but the exit is not. Let the caller patch it up.
|
|
*/
|
|
if (kernel != machine__kernel_ip(machine, end)) {
|
|
printf("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n",
|
|
start, end);
|
|
return -ENXIO;
|
|
}
|
|
|
|
memset(&al, 0, sizeof(al));
|
|
if (end - start > MAXBB - MAXINSN) {
|
|
if (last)
|
|
printf("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
|
|
else
|
|
printf("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
|
|
return 0;
|
|
}
|
|
|
|
thread__find_addr_map(thread, *cpumode, MAP__FUNCTION, start, &al);
|
|
if (!al.map || !al.map->dso) {
|
|
printf("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
|
|
return 0;
|
|
}
|
|
if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
|
|
printf("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
|
|
return 0;
|
|
}
|
|
|
|
/* Load maps to ensure dso->is_64_bit has been updated */
|
|
map__load(al.map);
|
|
|
|
offset = al.map->map_ip(al.map, start);
|
|
len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
|
|
end - start + MAXINSN);
|
|
|
|
*is64bit = al.map->dso->is_64_bit;
|
|
if (len <= 0)
|
|
printf("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
|
|
start, end);
|
|
return len;
|
|
}
|
|
|
|
static void print_jump(uint64_t ip, struct branch_entry *en,
|
|
struct perf_insn *x, u8 *inbuf, int len,
|
|
int insn)
|
|
{
|
|
printf("\t%016" PRIx64 "\t%-30s\t#%s%s%s%s",
|
|
ip,
|
|
dump_insn(x, ip, inbuf, len, NULL),
|
|
en->flags.predicted ? " PRED" : "",
|
|
en->flags.mispred ? " MISPRED" : "",
|
|
en->flags.in_tx ? " INTX" : "",
|
|
en->flags.abort ? " ABORT" : "");
|
|
if (en->flags.cycles) {
|
|
printf(" %d cycles", en->flags.cycles);
|
|
if (insn)
|
|
printf(" %.2f IPC", (float)insn / en->flags.cycles);
|
|
}
|
|
putchar('\n');
|
|
}
|
|
|
|
static void print_ip_sym(struct thread *thread, u8 cpumode, int cpu,
|
|
uint64_t addr, struct symbol **lastsym,
|
|
struct perf_event_attr *attr)
|
|
{
|
|
struct addr_location al;
|
|
int off;
|
|
|
|
memset(&al, 0, sizeof(al));
|
|
|
|
thread__find_addr_map(thread, cpumode, MAP__FUNCTION, addr, &al);
|
|
if (!al.map)
|
|
thread__find_addr_map(thread, cpumode, MAP__VARIABLE,
|
|
addr, &al);
|
|
if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
|
|
return;
|
|
|
|
al.cpu = cpu;
|
|
al.sym = NULL;
|
|
if (al.map)
|
|
al.sym = map__find_symbol(al.map, al.addr);
|
|
|
|
if (!al.sym)
|
|
return;
|
|
|
|
if (al.addr < al.sym->end)
|
|
off = al.addr - al.sym->start;
|
|
else
|
|
off = al.addr - al.map->start - al.sym->start;
|
|
printf("\t%s", al.sym->name);
|
|
if (off)
|
|
printf("%+d", off);
|
|
putchar(':');
|
|
if (PRINT_FIELD(SRCLINE))
|
|
map__fprintf_srcline(al.map, al.addr, "\t", stdout);
|
|
putchar('\n');
|
|
*lastsym = al.sym;
|
|
}
|
|
|
|
static void print_sample_brstackinsn(struct perf_sample *sample,
|
|
struct thread *thread,
|
|
struct perf_event_attr *attr,
|
|
struct machine *machine)
|
|
{
|
|
struct branch_stack *br = sample->branch_stack;
|
|
u64 start, end;
|
|
int i, insn, len, nr, ilen;
|
|
struct perf_insn x;
|
|
u8 buffer[MAXBB];
|
|
unsigned off;
|
|
struct symbol *lastsym = NULL;
|
|
|
|
if (!(br && br->nr))
|
|
return;
|
|
nr = br->nr;
|
|
if (max_blocks && nr > max_blocks + 1)
|
|
nr = max_blocks + 1;
|
|
|
|
x.thread = thread;
|
|
x.cpu = sample->cpu;
|
|
|
|
putchar('\n');
|
|
|
|
/* Handle first from jump, of which we don't know the entry. */
|
|
len = grab_bb(buffer, br->entries[nr-1].from,
|
|
br->entries[nr-1].from,
|
|
machine, thread, &x.is64bit, &x.cpumode, false);
|
|
if (len > 0) {
|
|
print_ip_sym(thread, x.cpumode, x.cpu,
|
|
br->entries[nr - 1].from, &lastsym, attr);
|
|
print_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
|
|
&x, buffer, len, 0);
|
|
}
|
|
|
|
/* Print all blocks */
|
|
for (i = nr - 2; i >= 0; i--) {
|
|
if (br->entries[i].from || br->entries[i].to)
|
|
pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
|
|
br->entries[i].from,
|
|
br->entries[i].to);
|
|
start = br->entries[i + 1].to;
|
|
end = br->entries[i].from;
|
|
|
|
len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
|
|
/* Patch up missing kernel transfers due to ring filters */
|
|
if (len == -ENXIO && i > 0) {
|
|
end = br->entries[--i].from;
|
|
pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
|
|
len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
|
|
}
|
|
if (len <= 0)
|
|
continue;
|
|
|
|
insn = 0;
|
|
for (off = 0;; off += ilen) {
|
|
uint64_t ip = start + off;
|
|
|
|
print_ip_sym(thread, x.cpumode, x.cpu, ip, &lastsym, attr);
|
|
if (ip == end) {
|
|
print_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn);
|
|
break;
|
|
} else {
|
|
printf("\t%016" PRIx64 "\t%s\n", ip,
|
|
dump_insn(&x, ip, buffer + off, len - off, &ilen));
|
|
if (ilen == 0)
|
|
break;
|
|
insn++;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Hit the branch? In this case we are already done, and the target
|
|
* has not been executed yet.
|
|
*/
|
|
if (br->entries[0].from == sample->ip)
|
|
return;
|
|
if (br->entries[0].flags.abort)
|
|
return;
|
|
|
|
/*
|
|
* Print final block upto sample
|
|
*/
|
|
start = br->entries[0].to;
|
|
end = sample->ip;
|
|
len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
|
|
print_ip_sym(thread, x.cpumode, x.cpu, start, &lastsym, attr);
|
|
if (len <= 0) {
|
|
/* Print at least last IP if basic block did not work */
|
|
len = grab_bb(buffer, sample->ip, sample->ip,
|
|
machine, thread, &x.is64bit, &x.cpumode, false);
|
|
if (len <= 0)
|
|
return;
|
|
|
|
printf("\t%016" PRIx64 "\t%s\n", sample->ip,
|
|
dump_insn(&x, sample->ip, buffer, len, NULL));
|
|
return;
|
|
}
|
|
for (off = 0; off <= end - start; off += ilen) {
|
|
printf("\t%016" PRIx64 "\t%s\n", start + off,
|
|
dump_insn(&x, start + off, buffer + off, len - off, &ilen));
|
|
if (ilen == 0)
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void print_sample_addr(struct perf_sample *sample,
|
|
struct thread *thread,
|
|
struct perf_event_attr *attr)
|
|
{
|
|
struct addr_location al;
|
|
|
|
printf("%16" PRIx64, sample->addr);
|
|
|
|
if (!sample_addr_correlates_sym(attr))
|
|
return;
|
|
|
|
thread__resolve(thread, &al, sample);
|
|
|
|
if (PRINT_FIELD(SYM)) {
|
|
printf(" ");
|
|
if (PRINT_FIELD(SYMOFFSET))
|
|
symbol__fprintf_symname_offs(al.sym, &al, stdout);
|
|
else
|
|
symbol__fprintf_symname(al.sym, stdout);
|
|
}
|
|
|
|
if (PRINT_FIELD(DSO)) {
|
|
printf(" (");
|
|
map__fprintf_dsoname(al.map, stdout);
|
|
printf(")");
|
|
}
|
|
}
|
|
|
|
static void print_sample_callindent(struct perf_sample *sample,
|
|
struct perf_evsel *evsel,
|
|
struct thread *thread,
|
|
struct addr_location *al)
|
|
{
|
|
struct perf_event_attr *attr = &evsel->attr;
|
|
size_t depth = thread_stack__depth(thread);
|
|
struct addr_location addr_al;
|
|
const char *name = NULL;
|
|
static int spacing;
|
|
int len = 0;
|
|
u64 ip = 0;
|
|
|
|
/*
|
|
* The 'return' has already been popped off the stack so the depth has
|
|
* to be adjusted to match the 'call'.
|
|
*/
|
|
if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
|
|
depth += 1;
|
|
|
|
if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
|
|
if (sample_addr_correlates_sym(attr)) {
|
|
thread__resolve(thread, &addr_al, sample);
|
|
if (addr_al.sym)
|
|
name = addr_al.sym->name;
|
|
else
|
|
ip = sample->addr;
|
|
} else {
|
|
ip = sample->addr;
|
|
}
|
|
} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
|
|
if (al->sym)
|
|
name = al->sym->name;
|
|
else
|
|
ip = sample->ip;
|
|
}
|
|
|
|
if (name)
|
|
len = printf("%*s%s", (int)depth * 4, "", name);
|
|
else if (ip)
|
|
len = printf("%*s%16" PRIx64, (int)depth * 4, "", ip);
|
|
|
|
if (len < 0)
|
|
return;
|
|
|
|
/*
|
|
* Try to keep the output length from changing frequently so that the
|
|
* output lines up more nicely.
|
|
*/
|
|
if (len > spacing || (len && len < spacing - 52))
|
|
spacing = round_up(len + 4, 32);
|
|
|
|
if (len < spacing)
|
|
printf("%*s", spacing - len, "");
|
|
}
|
|
|
|
static void print_insn(struct perf_sample *sample,
|
|
struct perf_event_attr *attr,
|
|
struct thread *thread,
|
|
struct machine *machine)
|
|
{
|
|
if (PRINT_FIELD(INSNLEN))
|
|
printf(" ilen: %d", sample->insn_len);
|
|
if (PRINT_FIELD(INSN)) {
|
|
int i;
|
|
|
|
printf(" insn:");
|
|
for (i = 0; i < sample->insn_len; i++)
|
|
printf(" %02x", (unsigned char)sample->insn[i]);
|
|
}
|
|
if (PRINT_FIELD(BRSTACKINSN))
|
|
print_sample_brstackinsn(sample, thread, attr, machine);
|
|
}
|
|
|
|
static void print_sample_bts(struct perf_sample *sample,
|
|
struct perf_evsel *evsel,
|
|
struct thread *thread,
|
|
struct addr_location *al,
|
|
struct machine *machine)
|
|
{
|
|
struct perf_event_attr *attr = &evsel->attr;
|
|
unsigned int type = output_type(attr->type);
|
|
bool print_srcline_last = false;
|
|
|
|
if (PRINT_FIELD(CALLINDENT))
|
|
print_sample_callindent(sample, evsel, thread, al);
|
|
|
|
/* print branch_from information */
|
|
if (PRINT_FIELD(IP)) {
|
|
unsigned int print_opts = output[type].print_ip_opts;
|
|
struct callchain_cursor *cursor = NULL;
|
|
|
|
if (symbol_conf.use_callchain && sample->callchain &&
|
|
thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
|
|
sample, NULL, NULL, scripting_max_stack) == 0)
|
|
cursor = &callchain_cursor;
|
|
|
|
if (cursor == NULL) {
|
|
putchar(' ');
|
|
if (print_opts & EVSEL__PRINT_SRCLINE) {
|
|
print_srcline_last = true;
|
|
print_opts &= ~EVSEL__PRINT_SRCLINE;
|
|
}
|
|
} else
|
|
putchar('\n');
|
|
|
|
sample__fprintf_sym(sample, al, 0, print_opts, cursor, stdout);
|
|
}
|
|
|
|
/* print branch_to information */
|
|
if (PRINT_FIELD(ADDR) ||
|
|
((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
|
|
!output[type].user_set)) {
|
|
printf(" => ");
|
|
print_sample_addr(sample, thread, attr);
|
|
}
|
|
|
|
if (print_srcline_last)
|
|
map__fprintf_srcline(al->map, al->addr, "\n ", stdout);
|
|
|
|
print_insn(sample, attr, thread, machine);
|
|
|
|
printf("\n");
|
|
}
|
|
|
|
static struct {
|
|
u32 flags;
|
|
const char *name;
|
|
} sample_flags[] = {
|
|
{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
|
|
{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
|
|
{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
|
|
{PERF_IP_FLAG_BRANCH, "jmp"},
|
|
{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
|
|
{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
|
|
{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
|
|
{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
|
|
{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
|
|
{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
|
|
{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
|
|
{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
|
|
{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static void print_sample_flags(u32 flags)
|
|
{
|
|
const char *chars = PERF_IP_FLAG_CHARS;
|
|
const int n = strlen(PERF_IP_FLAG_CHARS);
|
|
bool in_tx = flags & PERF_IP_FLAG_IN_TX;
|
|
const char *name = NULL;
|
|
char str[33];
|
|
int i, pos = 0;
|
|
|
|
for (i = 0; sample_flags[i].name ; i++) {
|
|
if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) {
|
|
name = sample_flags[i].name;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < n; i++, flags >>= 1) {
|
|
if (flags & 1)
|
|
str[pos++] = chars[i];
|
|
}
|
|
for (; i < 32; i++, flags >>= 1) {
|
|
if (flags & 1)
|
|
str[pos++] = '?';
|
|
}
|
|
str[pos] = 0;
|
|
|
|
if (name)
|
|
printf(" %-7s%4s ", name, in_tx ? "(x)" : "");
|
|
else
|
|
printf(" %-11s ", str);
|
|
}
|
|
|
|
struct printer_data {
|
|
int line_no;
|
|
bool hit_nul;
|
|
bool is_printable;
|
|
};
|
|
|
|
static void
|
|
print_sample_bpf_output_printer(enum binary_printer_ops op,
|
|
unsigned int val,
|
|
void *extra)
|
|
{
|
|
unsigned char ch = (unsigned char)val;
|
|
struct printer_data *printer_data = extra;
|
|
|
|
switch (op) {
|
|
case BINARY_PRINT_DATA_BEGIN:
|
|
printf("\n");
|
|
break;
|
|
case BINARY_PRINT_LINE_BEGIN:
|
|
printf("%17s", !printer_data->line_no ? "BPF output:" :
|
|
" ");
|
|
break;
|
|
case BINARY_PRINT_ADDR:
|
|
printf(" %04x:", val);
|
|
break;
|
|
case BINARY_PRINT_NUM_DATA:
|
|
printf(" %02x", val);
|
|
break;
|
|
case BINARY_PRINT_NUM_PAD:
|
|
printf(" ");
|
|
break;
|
|
case BINARY_PRINT_SEP:
|
|
printf(" ");
|
|
break;
|
|
case BINARY_PRINT_CHAR_DATA:
|
|
if (printer_data->hit_nul && ch)
|
|
printer_data->is_printable = false;
|
|
|
|
if (!isprint(ch)) {
|
|
printf("%c", '.');
|
|
|
|
if (!printer_data->is_printable)
|
|
break;
|
|
|
|
if (ch == '\0')
|
|
printer_data->hit_nul = true;
|
|
else
|
|
printer_data->is_printable = false;
|
|
} else {
|
|
printf("%c", ch);
|
|
}
|
|
break;
|
|
case BINARY_PRINT_CHAR_PAD:
|
|
printf(" ");
|
|
break;
|
|
case BINARY_PRINT_LINE_END:
|
|
printf("\n");
|
|
printer_data->line_no++;
|
|
break;
|
|
case BINARY_PRINT_DATA_END:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void print_sample_bpf_output(struct perf_sample *sample)
|
|
{
|
|
unsigned int nr_bytes = sample->raw_size;
|
|
struct printer_data printer_data = {0, false, true};
|
|
|
|
print_binary(sample->raw_data, nr_bytes, 8,
|
|
print_sample_bpf_output_printer, &printer_data);
|
|
|
|
if (printer_data.is_printable && printer_data.hit_nul)
|
|
printf("%17s \"%s\"\n", "BPF string:",
|
|
(char *)(sample->raw_data));
|
|
}
|
|
|
|
static void print_sample_spacing(int len, int spacing)
|
|
{
|
|
if (len > 0 && len < spacing)
|
|
printf("%*s", spacing - len, "");
|
|
}
|
|
|
|
static void print_sample_pt_spacing(int len)
|
|
{
|
|
print_sample_spacing(len, 34);
|
|
}
|
|
|
|
static void print_sample_synth_ptwrite(struct perf_sample *sample)
|
|
{
|
|
struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
|
|
int len;
|
|
|
|
if (perf_sample__bad_synth_size(sample, *data))
|
|
return;
|
|
|
|
len = printf(" IP: %u payload: %#" PRIx64 " ",
|
|
data->ip, le64_to_cpu(data->payload));
|
|
print_sample_pt_spacing(len);
|
|
}
|
|
|
|
static void print_sample_synth_mwait(struct perf_sample *sample)
|
|
{
|
|
struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
|
|
int len;
|
|
|
|
if (perf_sample__bad_synth_size(sample, *data))
|
|
return;
|
|
|
|
len = printf(" hints: %#x extensions: %#x ",
|
|
data->hints, data->extensions);
|
|
print_sample_pt_spacing(len);
|
|
}
|
|
|
|
static void print_sample_synth_pwre(struct perf_sample *sample)
|
|
{
|
|
struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
|
|
int len;
|
|
|
|
if (perf_sample__bad_synth_size(sample, *data))
|
|
return;
|
|
|
|
len = printf(" hw: %u cstate: %u sub-cstate: %u ",
|
|
data->hw, data->cstate, data->subcstate);
|
|
print_sample_pt_spacing(len);
|
|
}
|
|
|
|
static void print_sample_synth_exstop(struct perf_sample *sample)
|
|
{
|
|
struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
|
|
int len;
|
|
|
|
if (perf_sample__bad_synth_size(sample, *data))
|
|
return;
|
|
|
|
len = printf(" IP: %u ", data->ip);
|
|
print_sample_pt_spacing(len);
|
|
}
|
|
|
|
static void print_sample_synth_pwrx(struct perf_sample *sample)
|
|
{
|
|
struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
|
|
int len;
|
|
|
|
if (perf_sample__bad_synth_size(sample, *data))
|
|
return;
|
|
|
|
len = printf(" deepest cstate: %u last cstate: %u wake reason: %#x ",
|
|
data->deepest_cstate, data->last_cstate,
|
|
data->wake_reason);
|
|
print_sample_pt_spacing(len);
|
|
}
|
|
|
|
static void print_sample_synth_cbr(struct perf_sample *sample)
|
|
{
|
|
struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
|
|
unsigned int percent, freq;
|
|
int len;
|
|
|
|
if (perf_sample__bad_synth_size(sample, *data))
|
|
return;
|
|
|
|
freq = (le32_to_cpu(data->freq) + 500) / 1000;
|
|
len = printf(" cbr: %2u freq: %4u MHz ", data->cbr, freq);
|
|
if (data->max_nonturbo) {
|
|
percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
|
|
len += printf("(%3u%%) ", percent);
|
|
}
|
|
print_sample_pt_spacing(len);
|
|
}
|
|
|
|
static void print_sample_synth(struct perf_sample *sample,
|
|
struct perf_evsel *evsel)
|
|
{
|
|
switch (evsel->attr.config) {
|
|
case PERF_SYNTH_INTEL_PTWRITE:
|
|
print_sample_synth_ptwrite(sample);
|
|
break;
|
|
case PERF_SYNTH_INTEL_MWAIT:
|
|
print_sample_synth_mwait(sample);
|
|
break;
|
|
case PERF_SYNTH_INTEL_PWRE:
|
|
print_sample_synth_pwre(sample);
|
|
break;
|
|
case PERF_SYNTH_INTEL_EXSTOP:
|
|
print_sample_synth_exstop(sample);
|
|
break;
|
|
case PERF_SYNTH_INTEL_PWRX:
|
|
print_sample_synth_pwrx(sample);
|
|
break;
|
|
case PERF_SYNTH_INTEL_CBR:
|
|
print_sample_synth_cbr(sample);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
struct perf_script {
|
|
struct perf_tool tool;
|
|
struct perf_session *session;
|
|
bool show_task_events;
|
|
bool show_mmap_events;
|
|
bool show_switch_events;
|
|
bool show_namespace_events;
|
|
bool allocated;
|
|
struct cpu_map *cpus;
|
|
struct thread_map *threads;
|
|
int name_width;
|
|
const char *time_str;
|
|
struct perf_time_interval ptime;
|
|
};
|
|
|
|
static int perf_evlist__max_name_len(struct perf_evlist *evlist)
|
|
{
|
|
struct perf_evsel *evsel;
|
|
int max = 0;
|
|
|
|
evlist__for_each_entry(evlist, evsel) {
|
|
int len = strlen(perf_evsel__name(evsel));
|
|
|
|
max = MAX(len, max);
|
|
}
|
|
|
|
return max;
|
|
}
|
|
|
|
static size_t data_src__printf(u64 data_src)
|
|
{
|
|
struct mem_info mi = { .data_src.val = data_src };
|
|
char decode[100];
|
|
char out[100];
|
|
static int maxlen;
|
|
int len;
|
|
|
|
perf_script__meminfo_scnprintf(decode, 100, &mi);
|
|
|
|
len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
|
|
if (maxlen < len)
|
|
maxlen = len;
|
|
|
|
return printf("%-*s", maxlen, out);
|
|
}
|
|
|
|
static void process_event(struct perf_script *script,
|
|
struct perf_sample *sample, struct perf_evsel *evsel,
|
|
struct addr_location *al,
|
|
struct machine *machine)
|
|
{
|
|
struct thread *thread = al->thread;
|
|
struct perf_event_attr *attr = &evsel->attr;
|
|
unsigned int type = output_type(attr->type);
|
|
|
|
if (output[type].fields == 0)
|
|
return;
|
|
|
|
print_sample_start(sample, thread, evsel);
|
|
|
|
if (PRINT_FIELD(PERIOD))
|
|
printf("%10" PRIu64 " ", sample->period);
|
|
|
|
if (PRINT_FIELD(EVNAME)) {
|
|
const char *evname = perf_evsel__name(evsel);
|
|
|
|
if (!script->name_width)
|
|
script->name_width = perf_evlist__max_name_len(script->session->evlist);
|
|
|
|
printf("%*s: ", script->name_width,
|
|
evname ? evname : "[unknown]");
|
|
}
|
|
|
|
if (print_flags)
|
|
print_sample_flags(sample->flags);
|
|
|
|
if (is_bts_event(attr)) {
|
|
print_sample_bts(sample, evsel, thread, al, machine);
|
|
return;
|
|
}
|
|
|
|
if (PRINT_FIELD(TRACE))
|
|
event_format__print(evsel->tp_format, sample->cpu,
|
|
sample->raw_data, sample->raw_size);
|
|
|
|
if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
|
|
print_sample_synth(sample, evsel);
|
|
|
|
if (PRINT_FIELD(ADDR))
|
|
print_sample_addr(sample, thread, attr);
|
|
|
|
if (PRINT_FIELD(DATA_SRC))
|
|
data_src__printf(sample->data_src);
|
|
|
|
if (PRINT_FIELD(WEIGHT))
|
|
printf("%16" PRIu64, sample->weight);
|
|
|
|
if (PRINT_FIELD(IP)) {
|
|
struct callchain_cursor *cursor = NULL;
|
|
|
|
if (symbol_conf.use_callchain && sample->callchain &&
|
|
thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
|
|
sample, NULL, NULL, scripting_max_stack) == 0)
|
|
cursor = &callchain_cursor;
|
|
|
|
putchar(cursor ? '\n' : ' ');
|
|
sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, stdout);
|
|
}
|
|
|
|
if (PRINT_FIELD(IREGS))
|
|
print_sample_iregs(sample, attr);
|
|
|
|
if (PRINT_FIELD(BRSTACK))
|
|
print_sample_brstack(sample, thread, attr);
|
|
else if (PRINT_FIELD(BRSTACKSYM))
|
|
print_sample_brstacksym(sample, thread, attr);
|
|
else if (PRINT_FIELD(BRSTACKOFF))
|
|
print_sample_brstackoff(sample, thread, attr);
|
|
|
|
if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
|
|
print_sample_bpf_output(sample);
|
|
print_insn(sample, attr, thread, machine);
|
|
|
|
if (PRINT_FIELD(PHYS_ADDR))
|
|
printf("%16" PRIx64, sample->phys_addr);
|
|
printf("\n");
|
|
}
|
|
|
|
static struct scripting_ops *scripting_ops;
|
|
|
|
static void __process_stat(struct perf_evsel *counter, u64 tstamp)
|
|
{
|
|
int nthreads = thread_map__nr(counter->threads);
|
|
int ncpus = perf_evsel__nr_cpus(counter);
|
|
int cpu, thread;
|
|
static int header_printed;
|
|
|
|
if (counter->system_wide)
|
|
nthreads = 1;
|
|
|
|
if (!header_printed) {
|
|
printf("%3s %8s %15s %15s %15s %15s %s\n",
|
|
"CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
|
|
header_printed = 1;
|
|
}
|
|
|
|
for (thread = 0; thread < nthreads; thread++) {
|
|
for (cpu = 0; cpu < ncpus; cpu++) {
|
|
struct perf_counts_values *counts;
|
|
|
|
counts = perf_counts(counter->counts, cpu, thread);
|
|
|
|
printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
|
|
counter->cpus->map[cpu],
|
|
thread_map__pid(counter->threads, thread),
|
|
counts->val,
|
|
counts->ena,
|
|
counts->run,
|
|
tstamp,
|
|
perf_evsel__name(counter));
|
|
}
|
|
}
|
|
}
|
|
|
|
static void process_stat(struct perf_evsel *counter, u64 tstamp)
|
|
{
|
|
if (scripting_ops && scripting_ops->process_stat)
|
|
scripting_ops->process_stat(&stat_config, counter, tstamp);
|
|
else
|
|
__process_stat(counter, tstamp);
|
|
}
|
|
|
|
static void process_stat_interval(u64 tstamp)
|
|
{
|
|
if (scripting_ops && scripting_ops->process_stat_interval)
|
|
scripting_ops->process_stat_interval(tstamp);
|
|
}
|
|
|
|
static void setup_scripting(void)
|
|
{
|
|
setup_perl_scripting();
|
|
setup_python_scripting();
|
|
}
|
|
|
|
static int flush_scripting(void)
|
|
{
|
|
return scripting_ops ? scripting_ops->flush_script() : 0;
|
|
}
|
|
|
|
static int cleanup_scripting(void)
|
|
{
|
|
pr_debug("\nperf script stopped\n");
|
|
|
|
return scripting_ops ? scripting_ops->stop_script() : 0;
|
|
}
|
|
|
|
static int process_sample_event(struct perf_tool *tool,
|
|
union perf_event *event,
|
|
struct perf_sample *sample,
|
|
struct perf_evsel *evsel,
|
|
struct machine *machine)
|
|
{
|
|
struct perf_script *scr = container_of(tool, struct perf_script, tool);
|
|
struct addr_location al;
|
|
|
|
if (perf_time__skip_sample(&scr->ptime, sample->time))
|
|
return 0;
|
|
|
|
if (debug_mode) {
|
|
if (sample->time < last_timestamp) {
|
|
pr_err("Samples misordered, previous: %" PRIu64
|
|
" this: %" PRIu64 "\n", last_timestamp,
|
|
sample->time);
|
|
nr_unordered++;
|
|
}
|
|
last_timestamp = sample->time;
|
|
return 0;
|
|
}
|
|
|
|
if (machine__resolve(machine, &al, sample) < 0) {
|
|
pr_err("problem processing %d event, skipping it.\n",
|
|
event->header.type);
|
|
return -1;
|
|
}
|
|
|
|
if (al.filtered)
|
|
goto out_put;
|
|
|
|
if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
|
|
goto out_put;
|
|
|
|
if (scripting_ops)
|
|
scripting_ops->process_event(event, sample, evsel, &al);
|
|
else
|
|
process_event(scr, sample, evsel, &al, machine);
|
|
|
|
out_put:
|
|
addr_location__put(&al);
|
|
return 0;
|
|
}
|
|
|
|
static int process_attr(struct perf_tool *tool, union perf_event *event,
|
|
struct perf_evlist **pevlist)
|
|
{
|
|
struct perf_script *scr = container_of(tool, struct perf_script, tool);
|
|
struct perf_evlist *evlist;
|
|
struct perf_evsel *evsel, *pos;
|
|
int err;
|
|
|
|
err = perf_event__process_attr(tool, event, pevlist);
|
|
if (err)
|
|
return err;
|
|
|
|
evlist = *pevlist;
|
|
evsel = perf_evlist__last(*pevlist);
|
|
|
|
if (evsel->attr.type >= PERF_TYPE_MAX &&
|
|
evsel->attr.type != PERF_TYPE_SYNTH)
|
|
return 0;
|
|
|
|
evlist__for_each_entry(evlist, pos) {
|
|
if (pos->attr.type == evsel->attr.type && pos != evsel)
|
|
return 0;
|
|
}
|
|
|
|
set_print_ip_opts(&evsel->attr);
|
|
|
|
if (evsel->attr.sample_type)
|
|
err = perf_evsel__check_attr(evsel, scr->session);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int process_comm_event(struct perf_tool *tool,
|
|
union perf_event *event,
|
|
struct perf_sample *sample,
|
|
struct machine *machine)
|
|
{
|
|
struct thread *thread;
|
|
struct perf_script *script = container_of(tool, struct perf_script, tool);
|
|
struct perf_session *session = script->session;
|
|
struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
|
|
int ret = -1;
|
|
|
|
thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
|
|
if (thread == NULL) {
|
|
pr_debug("problem processing COMM event, skipping it.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (perf_event__process_comm(tool, event, sample, machine) < 0)
|
|
goto out;
|
|
|
|
if (!evsel->attr.sample_id_all) {
|
|
sample->cpu = 0;
|
|
sample->time = 0;
|
|
sample->tid = event->comm.tid;
|
|
sample->pid = event->comm.pid;
|
|
}
|
|
print_sample_start(sample, thread, evsel);
|
|
perf_event__fprintf(event, stdout);
|
|
ret = 0;
|
|
out:
|
|
thread__put(thread);
|
|
return ret;
|
|
}
|
|
|
|
static int process_namespaces_event(struct perf_tool *tool,
|
|
union perf_event *event,
|
|
struct perf_sample *sample,
|
|
struct machine *machine)
|
|
{
|
|
struct thread *thread;
|
|
struct perf_script *script = container_of(tool, struct perf_script, tool);
|
|
struct perf_session *session = script->session;
|
|
struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
|
|
int ret = -1;
|
|
|
|
thread = machine__findnew_thread(machine, event->namespaces.pid,
|
|
event->namespaces.tid);
|
|
if (thread == NULL) {
|
|
pr_debug("problem processing NAMESPACES event, skipping it.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
|
|
goto out;
|
|
|
|
if (!evsel->attr.sample_id_all) {
|
|
sample->cpu = 0;
|
|
sample->time = 0;
|
|
sample->tid = event->namespaces.tid;
|
|
sample->pid = event->namespaces.pid;
|
|
}
|
|
print_sample_start(sample, thread, evsel);
|
|
perf_event__fprintf(event, stdout);
|
|
ret = 0;
|
|
out:
|
|
thread__put(thread);
|
|
return ret;
|
|
}
|
|
|
|
static int process_fork_event(struct perf_tool *tool,
|
|
union perf_event *event,
|
|
struct perf_sample *sample,
|
|
struct machine *machine)
|
|
{
|
|
struct thread *thread;
|
|
struct perf_script *script = container_of(tool, struct perf_script, tool);
|
|
struct perf_session *session = script->session;
|
|
struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
|
|
|
|
if (perf_event__process_fork(tool, event, sample, machine) < 0)
|
|
return -1;
|
|
|
|
thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
|
|
if (thread == NULL) {
|
|
pr_debug("problem processing FORK event, skipping it.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!evsel->attr.sample_id_all) {
|
|
sample->cpu = 0;
|
|
sample->time = event->fork.time;
|
|
sample->tid = event->fork.tid;
|
|
sample->pid = event->fork.pid;
|
|
}
|
|
print_sample_start(sample, thread, evsel);
|
|
perf_event__fprintf(event, stdout);
|
|
thread__put(thread);
|
|
|
|
return 0;
|
|
}
|
|
static int process_exit_event(struct perf_tool *tool,
|
|
union perf_event *event,
|
|
struct perf_sample *sample,
|
|
struct machine *machine)
|
|
{
|
|
int err = 0;
|
|
struct thread *thread;
|
|
struct perf_script *script = container_of(tool, struct perf_script, tool);
|
|
struct perf_session *session = script->session;
|
|
struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
|
|
|
|
thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
|
|
if (thread == NULL) {
|
|
pr_debug("problem processing EXIT event, skipping it.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!evsel->attr.sample_id_all) {
|
|
sample->cpu = 0;
|
|
sample->time = 0;
|
|
sample->tid = event->fork.tid;
|
|
sample->pid = event->fork.pid;
|
|
}
|
|
print_sample_start(sample, thread, evsel);
|
|
perf_event__fprintf(event, stdout);
|
|
|
|
if (perf_event__process_exit(tool, event, sample, machine) < 0)
|
|
err = -1;
|
|
|
|
thread__put(thread);
|
|
return err;
|
|
}
|
|
|
|
static int process_mmap_event(struct perf_tool *tool,
|
|
union perf_event *event,
|
|
struct perf_sample *sample,
|
|
struct machine *machine)
|
|
{
|
|
struct thread *thread;
|
|
struct perf_script *script = container_of(tool, struct perf_script, tool);
|
|
struct perf_session *session = script->session;
|
|
struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
|
|
|
|
if (perf_event__process_mmap(tool, event, sample, machine) < 0)
|
|
return -1;
|
|
|
|
thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
|
|
if (thread == NULL) {
|
|
pr_debug("problem processing MMAP event, skipping it.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!evsel->attr.sample_id_all) {
|
|
sample->cpu = 0;
|
|
sample->time = 0;
|
|
sample->tid = event->mmap.tid;
|
|
sample->pid = event->mmap.pid;
|
|
}
|
|
print_sample_start(sample, thread, evsel);
|
|
perf_event__fprintf(event, stdout);
|
|
thread__put(thread);
|
|
return 0;
|
|
}
|
|
|
|
static int process_mmap2_event(struct perf_tool *tool,
|
|
union perf_event *event,
|
|
struct perf_sample *sample,
|
|
struct machine *machine)
|
|
{
|
|
struct thread *thread;
|
|
struct perf_script *script = container_of(tool, struct perf_script, tool);
|
|
struct perf_session *session = script->session;
|
|
struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
|
|
|
|
if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
|
|
return -1;
|
|
|
|
thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
|
|
if (thread == NULL) {
|
|
pr_debug("problem processing MMAP2 event, skipping it.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!evsel->attr.sample_id_all) {
|
|
sample->cpu = 0;
|
|
sample->time = 0;
|
|
sample->tid = event->mmap2.tid;
|
|
sample->pid = event->mmap2.pid;
|
|
}
|
|
print_sample_start(sample, thread, evsel);
|
|
perf_event__fprintf(event, stdout);
|
|
thread__put(thread);
|
|
return 0;
|
|
}
|
|
|
|
static int process_switch_event(struct perf_tool *tool,
|
|
union perf_event *event,
|
|
struct perf_sample *sample,
|
|
struct machine *machine)
|
|
{
|
|
struct thread *thread;
|
|
struct perf_script *script = container_of(tool, struct perf_script, tool);
|
|
struct perf_session *session = script->session;
|
|
struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
|
|
|
|
if (perf_event__process_switch(tool, event, sample, machine) < 0)
|
|
return -1;
|
|
|
|
thread = machine__findnew_thread(machine, sample->pid,
|
|
sample->tid);
|
|
if (thread == NULL) {
|
|
pr_debug("problem processing SWITCH event, skipping it.\n");
|
|
return -1;
|
|
}
|
|
|
|
print_sample_start(sample, thread, evsel);
|
|
perf_event__fprintf(event, stdout);
|
|
thread__put(thread);
|
|
return 0;
|
|
}
|
|
|
|
static void sig_handler(int sig __maybe_unused)
|
|
{
|
|
session_done = 1;
|
|
}
|
|
|
|
static int __cmd_script(struct perf_script *script)
|
|
{
|
|
int ret;
|
|
|
|
signal(SIGINT, sig_handler);
|
|
|
|
/* override event processing functions */
|
|
if (script->show_task_events) {
|
|
script->tool.comm = process_comm_event;
|
|
script->tool.fork = process_fork_event;
|
|
script->tool.exit = process_exit_event;
|
|
}
|
|
if (script->show_mmap_events) {
|
|
script->tool.mmap = process_mmap_event;
|
|
script->tool.mmap2 = process_mmap2_event;
|
|
}
|
|
if (script->show_switch_events)
|
|
script->tool.context_switch = process_switch_event;
|
|
if (script->show_namespace_events)
|
|
script->tool.namespaces = process_namespaces_event;
|
|
|
|
ret = perf_session__process_events(script->session);
|
|
|
|
if (debug_mode)
|
|
pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
|
|
|
|
return ret;
|
|
}
|
|
|
|
struct script_spec {
|
|
struct list_head node;
|
|
struct scripting_ops *ops;
|
|
char spec[0];
|
|
};
|
|
|
|
static LIST_HEAD(script_specs);
|
|
|
|
static struct script_spec *script_spec__new(const char *spec,
|
|
struct scripting_ops *ops)
|
|
{
|
|
struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
|
|
|
|
if (s != NULL) {
|
|
strcpy(s->spec, spec);
|
|
s->ops = ops;
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
static void script_spec__add(struct script_spec *s)
|
|
{
|
|
list_add_tail(&s->node, &script_specs);
|
|
}
|
|
|
|
static struct script_spec *script_spec__find(const char *spec)
|
|
{
|
|
struct script_spec *s;
|
|
|
|
list_for_each_entry(s, &script_specs, node)
|
|
if (strcasecmp(s->spec, spec) == 0)
|
|
return s;
|
|
return NULL;
|
|
}
|
|
|
|
int script_spec_register(const char *spec, struct scripting_ops *ops)
|
|
{
|
|
struct script_spec *s;
|
|
|
|
s = script_spec__find(spec);
|
|
if (s)
|
|
return -1;
|
|
|
|
s = script_spec__new(spec, ops);
|
|
if (!s)
|
|
return -1;
|
|
else
|
|
script_spec__add(s);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct scripting_ops *script_spec__lookup(const char *spec)
|
|
{
|
|
struct script_spec *s = script_spec__find(spec);
|
|
if (!s)
|
|
return NULL;
|
|
|
|
return s->ops;
|
|
}
|
|
|
|
static void list_available_languages(void)
|
|
{
|
|
struct script_spec *s;
|
|
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, "Scripting language extensions (used in "
|
|
"perf script -s [spec:]script.[spec]):\n\n");
|
|
|
|
list_for_each_entry(s, &script_specs, node)
|
|
fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
|
|
|
|
fprintf(stderr, "\n");
|
|
}
|
|
|
|
static int parse_scriptname(const struct option *opt __maybe_unused,
|
|
const char *str, int unset __maybe_unused)
|
|
{
|
|
char spec[PATH_MAX];
|
|
const char *script, *ext;
|
|
int len;
|
|
|
|
if (strcmp(str, "lang") == 0) {
|
|
list_available_languages();
|
|
exit(0);
|
|
}
|
|
|
|
script = strchr(str, ':');
|
|
if (script) {
|
|
len = script - str;
|
|
if (len >= PATH_MAX) {
|
|
fprintf(stderr, "invalid language specifier");
|
|
return -1;
|
|
}
|
|
strncpy(spec, str, len);
|
|
spec[len] = '\0';
|
|
scripting_ops = script_spec__lookup(spec);
|
|
if (!scripting_ops) {
|
|
fprintf(stderr, "invalid language specifier");
|
|
return -1;
|
|
}
|
|
script++;
|
|
} else {
|
|
script = str;
|
|
ext = strrchr(script, '.');
|
|
if (!ext) {
|
|
fprintf(stderr, "invalid script extension");
|
|
return -1;
|
|
}
|
|
scripting_ops = script_spec__lookup(++ext);
|
|
if (!scripting_ops) {
|
|
fprintf(stderr, "invalid script extension");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
script_name = strdup(script);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int parse_output_fields(const struct option *opt __maybe_unused,
|
|
const char *arg, int unset __maybe_unused)
|
|
{
|
|
char *tok, *strtok_saveptr = NULL;
|
|
int i, imax = ARRAY_SIZE(all_output_options);
|
|
int j;
|
|
int rc = 0;
|
|
char *str = strdup(arg);
|
|
int type = -1;
|
|
enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
|
|
|
|
if (!str)
|
|
return -ENOMEM;
|
|
|
|
/* first word can state for which event type the user is specifying
|
|
* the fields. If no type exists, the specified fields apply to all
|
|
* event types found in the file minus the invalid fields for a type.
|
|
*/
|
|
tok = strchr(str, ':');
|
|
if (tok) {
|
|
*tok = '\0';
|
|
tok++;
|
|
if (!strcmp(str, "hw"))
|
|
type = PERF_TYPE_HARDWARE;
|
|
else if (!strcmp(str, "sw"))
|
|
type = PERF_TYPE_SOFTWARE;
|
|
else if (!strcmp(str, "trace"))
|
|
type = PERF_TYPE_TRACEPOINT;
|
|
else if (!strcmp(str, "raw"))
|
|
type = PERF_TYPE_RAW;
|
|
else if (!strcmp(str, "break"))
|
|
type = PERF_TYPE_BREAKPOINT;
|
|
else if (!strcmp(str, "synth"))
|
|
type = OUTPUT_TYPE_SYNTH;
|
|
else {
|
|
fprintf(stderr, "Invalid event type in field string.\n");
|
|
rc = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
if (output[type].user_set)
|
|
pr_warning("Overriding previous field request for %s events.\n",
|
|
event_type(type));
|
|
|
|
output[type].fields = 0;
|
|
output[type].user_set = true;
|
|
output[type].wildcard_set = false;
|
|
|
|
} else {
|
|
tok = str;
|
|
if (strlen(str) == 0) {
|
|
fprintf(stderr,
|
|
"Cannot set fields to 'none' for all event types.\n");
|
|
rc = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
/* Don't override defaults for +- */
|
|
if (strchr(str, '+') || strchr(str, '-'))
|
|
goto parse;
|
|
|
|
if (output_set_by_user())
|
|
pr_warning("Overriding previous field request for all events.\n");
|
|
|
|
for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
|
|
output[j].fields = 0;
|
|
output[j].user_set = true;
|
|
output[j].wildcard_set = true;
|
|
}
|
|
}
|
|
|
|
parse:
|
|
for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
|
|
if (*tok == '+') {
|
|
if (change == SET)
|
|
goto out_badmix;
|
|
change = ADD;
|
|
tok++;
|
|
} else if (*tok == '-') {
|
|
if (change == SET)
|
|
goto out_badmix;
|
|
change = REMOVE;
|
|
tok++;
|
|
} else {
|
|
if (change != SET && change != DEFAULT)
|
|
goto out_badmix;
|
|
change = SET;
|
|
}
|
|
|
|
for (i = 0; i < imax; ++i) {
|
|
if (strcmp(tok, all_output_options[i].str) == 0)
|
|
break;
|
|
}
|
|
if (i == imax && strcmp(tok, "flags") == 0) {
|
|
print_flags = change == REMOVE ? false : true;
|
|
continue;
|
|
}
|
|
if (i == imax) {
|
|
fprintf(stderr, "Invalid field requested.\n");
|
|
rc = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
if (type == -1) {
|
|
/* add user option to all events types for
|
|
* which it is valid
|
|
*/
|
|
for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
|
|
if (output[j].invalid_fields & all_output_options[i].field) {
|
|
pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
|
|
all_output_options[i].str, event_type(j));
|
|
} else {
|
|
if (change == REMOVE)
|
|
output[j].fields &= ~all_output_options[i].field;
|
|
else
|
|
output[j].fields |= all_output_options[i].field;
|
|
}
|
|
}
|
|
} else {
|
|
if (output[type].invalid_fields & all_output_options[i].field) {
|
|
fprintf(stderr, "\'%s\' not valid for %s events.\n",
|
|
all_output_options[i].str, event_type(type));
|
|
|
|
rc = -EINVAL;
|
|
goto out;
|
|
}
|
|
output[type].fields |= all_output_options[i].field;
|
|
}
|
|
}
|
|
|
|
if (type >= 0) {
|
|
if (output[type].fields == 0) {
|
|
pr_debug("No fields requested for %s type. "
|
|
"Events will not be displayed.\n", event_type(type));
|
|
}
|
|
}
|
|
goto out;
|
|
|
|
out_badmix:
|
|
fprintf(stderr, "Cannot mix +-field with overridden fields\n");
|
|
rc = -EINVAL;
|
|
out:
|
|
free(str);
|
|
return rc;
|
|
}
|
|
|
|
/* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */
|
|
static int is_directory(const char *base_path, const struct dirent *dent)
|
|
{
|
|
char path[PATH_MAX];
|
|
struct stat st;
|
|
|
|
sprintf(path, "%s/%s", base_path, dent->d_name);
|
|
if (stat(path, &st))
|
|
return 0;
|
|
|
|
return S_ISDIR(st.st_mode);
|
|
}
|
|
|
|
#define for_each_lang(scripts_path, scripts_dir, lang_dirent) \
|
|
while ((lang_dirent = readdir(scripts_dir)) != NULL) \
|
|
if ((lang_dirent->d_type == DT_DIR || \
|
|
(lang_dirent->d_type == DT_UNKNOWN && \
|
|
is_directory(scripts_path, lang_dirent))) && \
|
|
(strcmp(lang_dirent->d_name, ".")) && \
|
|
(strcmp(lang_dirent->d_name, "..")))
|
|
|
|
#define for_each_script(lang_path, lang_dir, script_dirent) \
|
|
while ((script_dirent = readdir(lang_dir)) != NULL) \
|
|
if (script_dirent->d_type != DT_DIR && \
|
|
(script_dirent->d_type != DT_UNKNOWN || \
|
|
!is_directory(lang_path, script_dirent)))
|
|
|
|
|
|
#define RECORD_SUFFIX "-record"
|
|
#define REPORT_SUFFIX "-report"
|
|
|
|
struct script_desc {
|
|
struct list_head node;
|
|
char *name;
|
|
char *half_liner;
|
|
char *args;
|
|
};
|
|
|
|
static LIST_HEAD(script_descs);
|
|
|
|
static struct script_desc *script_desc__new(const char *name)
|
|
{
|
|
struct script_desc *s = zalloc(sizeof(*s));
|
|
|
|
if (s != NULL && name)
|
|
s->name = strdup(name);
|
|
|
|
return s;
|
|
}
|
|
|
|
static void script_desc__delete(struct script_desc *s)
|
|
{
|
|
zfree(&s->name);
|
|
zfree(&s->half_liner);
|
|
zfree(&s->args);
|
|
free(s);
|
|
}
|
|
|
|
static void script_desc__add(struct script_desc *s)
|
|
{
|
|
list_add_tail(&s->node, &script_descs);
|
|
}
|
|
|
|
static struct script_desc *script_desc__find(const char *name)
|
|
{
|
|
struct script_desc *s;
|
|
|
|
list_for_each_entry(s, &script_descs, node)
|
|
if (strcasecmp(s->name, name) == 0)
|
|
return s;
|
|
return NULL;
|
|
}
|
|
|
|
static struct script_desc *script_desc__findnew(const char *name)
|
|
{
|
|
struct script_desc *s = script_desc__find(name);
|
|
|
|
if (s)
|
|
return s;
|
|
|
|
s = script_desc__new(name);
|
|
if (!s)
|
|
return NULL;
|
|
|
|
script_desc__add(s);
|
|
|
|
return s;
|
|
}
|
|
|
|
static const char *ends_with(const char *str, const char *suffix)
|
|
{
|
|
size_t suffix_len = strlen(suffix);
|
|
const char *p = str;
|
|
|
|
if (strlen(str) > suffix_len) {
|
|
p = str + strlen(str) - suffix_len;
|
|
if (!strncmp(p, suffix, suffix_len))
|
|
return p;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int read_script_info(struct script_desc *desc, const char *filename)
|
|
{
|
|
char line[BUFSIZ], *p;
|
|
FILE *fp;
|
|
|
|
fp = fopen(filename, "r");
|
|
if (!fp)
|
|
return -1;
|
|
|
|
while (fgets(line, sizeof(line), fp)) {
|
|
p = ltrim(line);
|
|
if (strlen(p) == 0)
|
|
continue;
|
|
if (*p != '#')
|
|
continue;
|
|
p++;
|
|
if (strlen(p) && *p == '!')
|
|
continue;
|
|
|
|
p = ltrim(p);
|
|
if (strlen(p) && p[strlen(p) - 1] == '\n')
|
|
p[strlen(p) - 1] = '\0';
|
|
|
|
if (!strncmp(p, "description:", strlen("description:"))) {
|
|
p += strlen("description:");
|
|
desc->half_liner = strdup(ltrim(p));
|
|
continue;
|
|
}
|
|
|
|
if (!strncmp(p, "args:", strlen("args:"))) {
|
|
p += strlen("args:");
|
|
desc->args = strdup(ltrim(p));
|
|
continue;
|
|
}
|
|
}
|
|
|
|
fclose(fp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static char *get_script_root(struct dirent *script_dirent, const char *suffix)
|
|
{
|
|
char *script_root, *str;
|
|
|
|
script_root = strdup(script_dirent->d_name);
|
|
if (!script_root)
|
|
return NULL;
|
|
|
|
str = (char *)ends_with(script_root, suffix);
|
|
if (!str) {
|
|
free(script_root);
|
|
return NULL;
|
|
}
|
|
|
|
*str = '\0';
|
|
return script_root;
|
|
}
|
|
|
|
static int list_available_scripts(const struct option *opt __maybe_unused,
|
|
const char *s __maybe_unused,
|
|
int unset __maybe_unused)
|
|
{
|
|
struct dirent *script_dirent, *lang_dirent;
|
|
char scripts_path[MAXPATHLEN];
|
|
DIR *scripts_dir, *lang_dir;
|
|
char script_path[MAXPATHLEN];
|
|
char lang_path[MAXPATHLEN];
|
|
struct script_desc *desc;
|
|
char first_half[BUFSIZ];
|
|
char *script_root;
|
|
|
|
snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
|
|
|
|
scripts_dir = opendir(scripts_path);
|
|
if (!scripts_dir) {
|
|
fprintf(stdout,
|
|
"open(%s) failed.\n"
|
|
"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
|
|
scripts_path);
|
|
exit(-1);
|
|
}
|
|
|
|
for_each_lang(scripts_path, scripts_dir, lang_dirent) {
|
|
snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
|
|
lang_dirent->d_name);
|
|
lang_dir = opendir(lang_path);
|
|
if (!lang_dir)
|
|
continue;
|
|
|
|
for_each_script(lang_path, lang_dir, script_dirent) {
|
|
script_root = get_script_root(script_dirent, REPORT_SUFFIX);
|
|
if (script_root) {
|
|
desc = script_desc__findnew(script_root);
|
|
snprintf(script_path, MAXPATHLEN, "%s/%s",
|
|
lang_path, script_dirent->d_name);
|
|
read_script_info(desc, script_path);
|
|
free(script_root);
|
|
}
|
|
}
|
|
}
|
|
|
|
fprintf(stdout, "List of available trace scripts:\n");
|
|
list_for_each_entry(desc, &script_descs, node) {
|
|
sprintf(first_half, "%s %s", desc->name,
|
|
desc->args ? desc->args : "");
|
|
fprintf(stdout, " %-36s %s\n", first_half,
|
|
desc->half_liner ? desc->half_liner : "");
|
|
}
|
|
|
|
exit(0);
|
|
}
|
|
|
|
/*
|
|
* Some scripts specify the required events in their "xxx-record" file,
|
|
* this function will check if the events in perf.data match those
|
|
* mentioned in the "xxx-record".
|
|
*
|
|
* Fixme: All existing "xxx-record" are all in good formats "-e event ",
|
|
* which is covered well now. And new parsing code should be added to
|
|
* cover the future complexing formats like event groups etc.
|
|
*/
|
|
static int check_ev_match(char *dir_name, char *scriptname,
|
|
struct perf_session *session)
|
|
{
|
|
char filename[MAXPATHLEN], evname[128];
|
|
char line[BUFSIZ], *p;
|
|
struct perf_evsel *pos;
|
|
int match, len;
|
|
FILE *fp;
|
|
|
|
sprintf(filename, "%s/bin/%s-record", dir_name, scriptname);
|
|
|
|
fp = fopen(filename, "r");
|
|
if (!fp)
|
|
return -1;
|
|
|
|
while (fgets(line, sizeof(line), fp)) {
|
|
p = ltrim(line);
|
|
if (*p == '#')
|
|
continue;
|
|
|
|
while (strlen(p)) {
|
|
p = strstr(p, "-e");
|
|
if (!p)
|
|
break;
|
|
|
|
p += 2;
|
|
p = ltrim(p);
|
|
len = strcspn(p, " \t");
|
|
if (!len)
|
|
break;
|
|
|
|
snprintf(evname, len + 1, "%s", p);
|
|
|
|
match = 0;
|
|
evlist__for_each_entry(session->evlist, pos) {
|
|
if (!strcmp(perf_evsel__name(pos), evname)) {
|
|
match = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!match) {
|
|
fclose(fp);
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
fclose(fp);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Return -1 if none is found, otherwise the actual scripts number.
|
|
*
|
|
* Currently the only user of this function is the script browser, which
|
|
* will list all statically runnable scripts, select one, execute it and
|
|
* show the output in a perf browser.
|
|
*/
|
|
int find_scripts(char **scripts_array, char **scripts_path_array)
|
|
{
|
|
struct dirent *script_dirent, *lang_dirent;
|
|
char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
|
|
DIR *scripts_dir, *lang_dir;
|
|
struct perf_session *session;
|
|
struct perf_data_file file = {
|
|
.path = input_name,
|
|
.mode = PERF_DATA_MODE_READ,
|
|
};
|
|
char *temp;
|
|
int i = 0;
|
|
|
|
session = perf_session__new(&file, false, NULL);
|
|
if (!session)
|
|
return -1;
|
|
|
|
snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
|
|
|
|
scripts_dir = opendir(scripts_path);
|
|
if (!scripts_dir) {
|
|
perf_session__delete(session);
|
|
return -1;
|
|
}
|
|
|
|
for_each_lang(scripts_path, scripts_dir, lang_dirent) {
|
|
snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
|
|
lang_dirent->d_name);
|
|
#ifdef NO_LIBPERL
|
|
if (strstr(lang_path, "perl"))
|
|
continue;
|
|
#endif
|
|
#ifdef NO_LIBPYTHON
|
|
if (strstr(lang_path, "python"))
|
|
continue;
|
|
#endif
|
|
|
|
lang_dir = opendir(lang_path);
|
|
if (!lang_dir)
|
|
continue;
|
|
|
|
for_each_script(lang_path, lang_dir, script_dirent) {
|
|
/* Skip those real time scripts: xxxtop.p[yl] */
|
|
if (strstr(script_dirent->d_name, "top."))
|
|
continue;
|
|
sprintf(scripts_path_array[i], "%s/%s", lang_path,
|
|
script_dirent->d_name);
|
|
temp = strchr(script_dirent->d_name, '.');
|
|
snprintf(scripts_array[i],
|
|
(temp - script_dirent->d_name) + 1,
|
|
"%s", script_dirent->d_name);
|
|
|
|
if (check_ev_match(lang_path,
|
|
scripts_array[i], session))
|
|
continue;
|
|
|
|
i++;
|
|
}
|
|
closedir(lang_dir);
|
|
}
|
|
|
|
closedir(scripts_dir);
|
|
perf_session__delete(session);
|
|
return i;
|
|
}
|
|
|
|
static char *get_script_path(const char *script_root, const char *suffix)
|
|
{
|
|
struct dirent *script_dirent, *lang_dirent;
|
|
char scripts_path[MAXPATHLEN];
|
|
char script_path[MAXPATHLEN];
|
|
DIR *scripts_dir, *lang_dir;
|
|
char lang_path[MAXPATHLEN];
|
|
char *__script_root;
|
|
|
|
snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
|
|
|
|
scripts_dir = opendir(scripts_path);
|
|
if (!scripts_dir)
|
|
return NULL;
|
|
|
|
for_each_lang(scripts_path, scripts_dir, lang_dirent) {
|
|
snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
|
|
lang_dirent->d_name);
|
|
lang_dir = opendir(lang_path);
|
|
if (!lang_dir)
|
|
continue;
|
|
|
|
for_each_script(lang_path, lang_dir, script_dirent) {
|
|
__script_root = get_script_root(script_dirent, suffix);
|
|
if (__script_root && !strcmp(script_root, __script_root)) {
|
|
free(__script_root);
|
|
closedir(lang_dir);
|
|
closedir(scripts_dir);
|
|
snprintf(script_path, MAXPATHLEN, "%s/%s",
|
|
lang_path, script_dirent->d_name);
|
|
return strdup(script_path);
|
|
}
|
|
free(__script_root);
|
|
}
|
|
closedir(lang_dir);
|
|
}
|
|
closedir(scripts_dir);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static bool is_top_script(const char *script_path)
|
|
{
|
|
return ends_with(script_path, "top") == NULL ? false : true;
|
|
}
|
|
|
|
static int has_required_arg(char *script_path)
|
|
{
|
|
struct script_desc *desc;
|
|
int n_args = 0;
|
|
char *p;
|
|
|
|
desc = script_desc__new(NULL);
|
|
|
|
if (read_script_info(desc, script_path))
|
|
goto out;
|
|
|
|
if (!desc->args)
|
|
goto out;
|
|
|
|
for (p = desc->args; *p; p++)
|
|
if (*p == '<')
|
|
n_args++;
|
|
out:
|
|
script_desc__delete(desc);
|
|
|
|
return n_args;
|
|
}
|
|
|
|
static int have_cmd(int argc, const char **argv)
|
|
{
|
|
char **__argv = malloc(sizeof(const char *) * argc);
|
|
|
|
if (!__argv) {
|
|
pr_err("malloc failed\n");
|
|
return -1;
|
|
}
|
|
|
|
memcpy(__argv, argv, sizeof(const char *) * argc);
|
|
argc = parse_options(argc, (const char **)__argv, record_options,
|
|
NULL, PARSE_OPT_STOP_AT_NON_OPTION);
|
|
free(__argv);
|
|
|
|
system_wide = (argc == 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void script__setup_sample_type(struct perf_script *script)
|
|
{
|
|
struct perf_session *session = script->session;
|
|
u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
|
|
|
|
if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
|
|
if ((sample_type & PERF_SAMPLE_REGS_USER) &&
|
|
(sample_type & PERF_SAMPLE_STACK_USER))
|
|
callchain_param.record_mode = CALLCHAIN_DWARF;
|
|
else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
|
|
callchain_param.record_mode = CALLCHAIN_LBR;
|
|
else
|
|
callchain_param.record_mode = CALLCHAIN_FP;
|
|
}
|
|
}
|
|
|
|
static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
|
|
union perf_event *event,
|
|
struct perf_session *session)
|
|
{
|
|
struct stat_round_event *round = &event->stat_round;
|
|
struct perf_evsel *counter;
|
|
|
|
evlist__for_each_entry(session->evlist, counter) {
|
|
perf_stat_process_counter(&stat_config, counter);
|
|
process_stat(counter, round->time);
|
|
}
|
|
|
|
process_stat_interval(round->time);
|
|
return 0;
|
|
}
|
|
|
|
static int process_stat_config_event(struct perf_tool *tool __maybe_unused,
|
|
union perf_event *event,
|
|
struct perf_session *session __maybe_unused)
|
|
{
|
|
perf_event__read_stat_config(&stat_config, &event->stat_config);
|
|
return 0;
|
|
}
|
|
|
|
static int set_maps(struct perf_script *script)
|
|
{
|
|
struct perf_evlist *evlist = script->session->evlist;
|
|
|
|
if (!script->cpus || !script->threads)
|
|
return 0;
|
|
|
|
if (WARN_ONCE(script->allocated, "stats double allocation\n"))
|
|
return -EINVAL;
|
|
|
|
perf_evlist__set_maps(evlist, script->cpus, script->threads);
|
|
|
|
if (perf_evlist__alloc_stats(evlist, true))
|
|
return -ENOMEM;
|
|
|
|
script->allocated = true;
|
|
return 0;
|
|
}
|
|
|
|
static
|
|
int process_thread_map_event(struct perf_tool *tool,
|
|
union perf_event *event,
|
|
struct perf_session *session __maybe_unused)
|
|
{
|
|
struct perf_script *script = container_of(tool, struct perf_script, tool);
|
|
|
|
if (script->threads) {
|
|
pr_warning("Extra thread map event, ignoring.\n");
|
|
return 0;
|
|
}
|
|
|
|
script->threads = thread_map__new_event(&event->thread_map);
|
|
if (!script->threads)
|
|
return -ENOMEM;
|
|
|
|
return set_maps(script);
|
|
}
|
|
|
|
static
|
|
int process_cpu_map_event(struct perf_tool *tool __maybe_unused,
|
|
union perf_event *event,
|
|
struct perf_session *session __maybe_unused)
|
|
{
|
|
struct perf_script *script = container_of(tool, struct perf_script, tool);
|
|
|
|
if (script->cpus) {
|
|
pr_warning("Extra cpu map event, ignoring.\n");
|
|
return 0;
|
|
}
|
|
|
|
script->cpus = cpu_map__new_data(&event->cpu_map.data);
|
|
if (!script->cpus)
|
|
return -ENOMEM;
|
|
|
|
return set_maps(script);
|
|
}
|
|
|
|
int cmd_script(int argc, const char **argv)
|
|
{
|
|
bool show_full_info = false;
|
|
bool header = false;
|
|
bool header_only = false;
|
|
bool script_started = false;
|
|
char *rec_script_path = NULL;
|
|
char *rep_script_path = NULL;
|
|
struct perf_session *session;
|
|
struct itrace_synth_opts itrace_synth_opts = { .set = false, };
|
|
char *script_path = NULL;
|
|
const char **__argv;
|
|
int i, j, err = 0;
|
|
struct perf_script script = {
|
|
.tool = {
|
|
.sample = process_sample_event,
|
|
.mmap = perf_event__process_mmap,
|
|
.mmap2 = perf_event__process_mmap2,
|
|
.comm = perf_event__process_comm,
|
|
.namespaces = perf_event__process_namespaces,
|
|
.exit = perf_event__process_exit,
|
|
.fork = perf_event__process_fork,
|
|
.attr = process_attr,
|
|
.event_update = perf_event__process_event_update,
|
|
.tracing_data = perf_event__process_tracing_data,
|
|
.feature = perf_event__process_feature,
|
|
.build_id = perf_event__process_build_id,
|
|
.id_index = perf_event__process_id_index,
|
|
.auxtrace_info = perf_event__process_auxtrace_info,
|
|
.auxtrace = perf_event__process_auxtrace,
|
|
.auxtrace_error = perf_event__process_auxtrace_error,
|
|
.stat = perf_event__process_stat_event,
|
|
.stat_round = process_stat_round_event,
|
|
.stat_config = process_stat_config_event,
|
|
.thread_map = process_thread_map_event,
|
|
.cpu_map = process_cpu_map_event,
|
|
.ordered_events = true,
|
|
.ordering_requires_timestamps = true,
|
|
},
|
|
};
|
|
struct perf_data_file file = {
|
|
.mode = PERF_DATA_MODE_READ,
|
|
};
|
|
const struct option options[] = {
|
|
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
|
|
"dump raw trace in ASCII"),
|
|
OPT_INCR('v', "verbose", &verbose,
|
|
"be more verbose (show symbol address, etc)"),
|
|
OPT_BOOLEAN('L', "Latency", &latency_format,
|
|
"show latency attributes (irqs/preemption disabled, etc)"),
|
|
OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
|
|
list_available_scripts),
|
|
OPT_CALLBACK('s', "script", NULL, "name",
|
|
"script file name (lang:script name, script name, or *)",
|
|
parse_scriptname),
|
|
OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
|
|
"generate perf-script.xx script in specified language"),
|
|
OPT_STRING('i', "input", &input_name, "file", "input file name"),
|
|
OPT_BOOLEAN('d', "debug-mode", &debug_mode,
|
|
"do various checks like samples ordering and lost events"),
|
|
OPT_BOOLEAN(0, "header", &header, "Show data header."),
|
|
OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
|
|
OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
|
|
"file", "vmlinux pathname"),
|
|
OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
|
|
"file", "kallsyms pathname"),
|
|
OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
|
|
"When printing symbols do not display call chain"),
|
|
OPT_CALLBACK(0, "symfs", NULL, "directory",
|
|
"Look for files with symbols relative to this directory",
|
|
symbol__config_symfs),
|
|
OPT_CALLBACK('F', "fields", NULL, "str",
|
|
"comma separated output fields prepend with 'type:'. "
|
|
"+field to add and -field to remove."
|
|
"Valid types: hw,sw,trace,raw,synth. "
|
|
"Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
|
|
"addr,symoff,period,iregs,brstack,brstacksym,flags,"
|
|
"bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr",
|
|
parse_output_fields),
|
|
OPT_BOOLEAN('a', "all-cpus", &system_wide,
|
|
"system-wide collection from all CPUs"),
|
|
OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
|
|
"only consider these symbols"),
|
|
OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
|
|
"Stop display of callgraph at these symbols"),
|
|
OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
|
|
OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
|
|
"only display events for these comms"),
|
|
OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
|
|
"only consider symbols in these pids"),
|
|
OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
|
|
"only consider symbols in these tids"),
|
|
OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
|
|
"Set the maximum stack depth when parsing the callchain, "
|
|
"anything beyond the specified depth will be ignored. "
|
|
"Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
|
|
OPT_BOOLEAN('I', "show-info", &show_full_info,
|
|
"display extended information from perf.data file"),
|
|
OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
|
|
"Show the path of [kernel.kallsyms]"),
|
|
OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
|
|
"Show the fork/comm/exit events"),
|
|
OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
|
|
"Show the mmap events"),
|
|
OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
|
|
"Show context switch events (if recorded)"),
|
|
OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
|
|
"Show namespace events (if recorded)"),
|
|
OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
|
|
OPT_INTEGER(0, "max-blocks", &max_blocks,
|
|
"Maximum number of code blocks to dump with brstackinsn"),
|
|
OPT_BOOLEAN(0, "ns", &nanosecs,
|
|
"Use 9 decimal places when displaying time"),
|
|
OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
|
|
"Instruction Tracing options",
|
|
itrace_parse_synth_opts),
|
|
OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
|
|
"Show full source file name path for source lines"),
|
|
OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
|
|
"Enable symbol demangling"),
|
|
OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
|
|
"Enable kernel symbol demangling"),
|
|
OPT_STRING(0, "time", &script.time_str, "str",
|
|
"Time span of interest (start,stop)"),
|
|
OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
|
|
"Show inline function"),
|
|
OPT_END()
|
|
};
|
|
const char * const script_subcommands[] = { "record", "report", NULL };
|
|
const char *script_usage[] = {
|
|
"perf script [<options>]",
|
|
"perf script [<options>] record <script> [<record-options>] <command>",
|
|
"perf script [<options>] report <script> [script-args]",
|
|
"perf script [<options>] <script> [<record-options>] <command>",
|
|
"perf script [<options>] <top-script> [script-args]",
|
|
NULL
|
|
};
|
|
|
|
setup_scripting();
|
|
|
|
argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
|
|
PARSE_OPT_STOP_AT_NON_OPTION);
|
|
|
|
file.path = input_name;
|
|
file.force = symbol_conf.force;
|
|
|
|
if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
|
|
rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
|
|
if (!rec_script_path)
|
|
return cmd_record(argc, argv);
|
|
}
|
|
|
|
if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
|
|
rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
|
|
if (!rep_script_path) {
|
|
fprintf(stderr,
|
|
"Please specify a valid report script"
|
|
"(see 'perf script -l' for listing)\n");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (itrace_synth_opts.callchain &&
|
|
itrace_synth_opts.callchain_sz > scripting_max_stack)
|
|
scripting_max_stack = itrace_synth_opts.callchain_sz;
|
|
|
|
/* make sure PERF_EXEC_PATH is set for scripts */
|
|
set_argv_exec_path(get_argv_exec_path());
|
|
|
|
if (argc && !script_name && !rec_script_path && !rep_script_path) {
|
|
int live_pipe[2];
|
|
int rep_args;
|
|
pid_t pid;
|
|
|
|
rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
|
|
rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
|
|
|
|
if (!rec_script_path && !rep_script_path) {
|
|
usage_with_options_msg(script_usage, options,
|
|
"Couldn't find script `%s'\n\n See perf"
|
|
" script -l for available scripts.\n", argv[0]);
|
|
}
|
|
|
|
if (is_top_script(argv[0])) {
|
|
rep_args = argc - 1;
|
|
} else {
|
|
int rec_args;
|
|
|
|
rep_args = has_required_arg(rep_script_path);
|
|
rec_args = (argc - 1) - rep_args;
|
|
if (rec_args < 0) {
|
|
usage_with_options_msg(script_usage, options,
|
|
"`%s' script requires options."
|
|
"\n\n See perf script -l for available "
|
|
"scripts and options.\n", argv[0]);
|
|
}
|
|
}
|
|
|
|
if (pipe(live_pipe) < 0) {
|
|
perror("failed to create pipe");
|
|
return -1;
|
|
}
|
|
|
|
pid = fork();
|
|
if (pid < 0) {
|
|
perror("failed to fork");
|
|
return -1;
|
|
}
|
|
|
|
if (!pid) {
|
|
j = 0;
|
|
|
|
dup2(live_pipe[1], 1);
|
|
close(live_pipe[0]);
|
|
|
|
if (is_top_script(argv[0])) {
|
|
system_wide = true;
|
|
} else if (!system_wide) {
|
|
if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
|
|
err = -1;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
__argv = malloc((argc + 6) * sizeof(const char *));
|
|
if (!__argv) {
|
|
pr_err("malloc failed\n");
|
|
err = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
__argv[j++] = "/bin/sh";
|
|
__argv[j++] = rec_script_path;
|
|
if (system_wide)
|
|
__argv[j++] = "-a";
|
|
__argv[j++] = "-q";
|
|
__argv[j++] = "-o";
|
|
__argv[j++] = "-";
|
|
for (i = rep_args + 1; i < argc; i++)
|
|
__argv[j++] = argv[i];
|
|
__argv[j++] = NULL;
|
|
|
|
execvp("/bin/sh", (char **)__argv);
|
|
free(__argv);
|
|
exit(-1);
|
|
}
|
|
|
|
dup2(live_pipe[0], 0);
|
|
close(live_pipe[1]);
|
|
|
|
__argv = malloc((argc + 4) * sizeof(const char *));
|
|
if (!__argv) {
|
|
pr_err("malloc failed\n");
|
|
err = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
j = 0;
|
|
__argv[j++] = "/bin/sh";
|
|
__argv[j++] = rep_script_path;
|
|
for (i = 1; i < rep_args + 1; i++)
|
|
__argv[j++] = argv[i];
|
|
__argv[j++] = "-i";
|
|
__argv[j++] = "-";
|
|
__argv[j++] = NULL;
|
|
|
|
execvp("/bin/sh", (char **)__argv);
|
|
free(__argv);
|
|
exit(-1);
|
|
}
|
|
|
|
if (rec_script_path)
|
|
script_path = rec_script_path;
|
|
if (rep_script_path)
|
|
script_path = rep_script_path;
|
|
|
|
if (script_path) {
|
|
j = 0;
|
|
|
|
if (!rec_script_path)
|
|
system_wide = false;
|
|
else if (!system_wide) {
|
|
if (have_cmd(argc - 1, &argv[1]) != 0) {
|
|
err = -1;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
__argv = malloc((argc + 2) * sizeof(const char *));
|
|
if (!__argv) {
|
|
pr_err("malloc failed\n");
|
|
err = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
__argv[j++] = "/bin/sh";
|
|
__argv[j++] = script_path;
|
|
if (system_wide)
|
|
__argv[j++] = "-a";
|
|
for (i = 2; i < argc; i++)
|
|
__argv[j++] = argv[i];
|
|
__argv[j++] = NULL;
|
|
|
|
execvp("/bin/sh", (char **)__argv);
|
|
free(__argv);
|
|
exit(-1);
|
|
}
|
|
|
|
if (!script_name)
|
|
setup_pager();
|
|
|
|
session = perf_session__new(&file, false, &script.tool);
|
|
if (session == NULL)
|
|
return -1;
|
|
|
|
if (header || header_only) {
|
|
script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
|
|
perf_session__fprintf_info(session, stdout, show_full_info);
|
|
if (header_only)
|
|
goto out_delete;
|
|
}
|
|
if (show_full_info)
|
|
script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
|
|
|
|
if (symbol__init(&session->header.env) < 0)
|
|
goto out_delete;
|
|
|
|
script.session = session;
|
|
script__setup_sample_type(&script);
|
|
|
|
if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
|
|
itrace_synth_opts.thread_stack = true;
|
|
|
|
session->itrace_synth_opts = &itrace_synth_opts;
|
|
|
|
if (cpu_list) {
|
|
err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
|
|
if (err < 0)
|
|
goto out_delete;
|
|
itrace_synth_opts.cpu_bitmap = cpu_bitmap;
|
|
}
|
|
|
|
if (!no_callchain)
|
|
symbol_conf.use_callchain = true;
|
|
else
|
|
symbol_conf.use_callchain = false;
|
|
|
|
if (session->tevent.pevent &&
|
|
pevent_set_function_resolver(session->tevent.pevent,
|
|
machine__resolve_kernel_addr,
|
|
&session->machines.host) < 0) {
|
|
pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
|
|
return -1;
|
|
}
|
|
|
|
if (generate_script_lang) {
|
|
struct stat perf_stat;
|
|
int input;
|
|
|
|
if (output_set_by_user()) {
|
|
fprintf(stderr,
|
|
"custom fields not supported for generated scripts");
|
|
err = -EINVAL;
|
|
goto out_delete;
|
|
}
|
|
|
|
input = open(file.path, O_RDONLY); /* input_name */
|
|
if (input < 0) {
|
|
err = -errno;
|
|
perror("failed to open file");
|
|
goto out_delete;
|
|
}
|
|
|
|
err = fstat(input, &perf_stat);
|
|
if (err < 0) {
|
|
perror("failed to stat file");
|
|
goto out_delete;
|
|
}
|
|
|
|
if (!perf_stat.st_size) {
|
|
fprintf(stderr, "zero-sized file, nothing to do!\n");
|
|
goto out_delete;
|
|
}
|
|
|
|
scripting_ops = script_spec__lookup(generate_script_lang);
|
|
if (!scripting_ops) {
|
|
fprintf(stderr, "invalid language specifier");
|
|
err = -ENOENT;
|
|
goto out_delete;
|
|
}
|
|
|
|
err = scripting_ops->generate_script(session->tevent.pevent,
|
|
"perf-script");
|
|
goto out_delete;
|
|
}
|
|
|
|
if (script_name) {
|
|
err = scripting_ops->start_script(script_name, argc, argv);
|
|
if (err)
|
|
goto out_delete;
|
|
pr_debug("perf script started with script %s\n\n", script_name);
|
|
script_started = true;
|
|
}
|
|
|
|
|
|
err = perf_session__check_output_opt(session);
|
|
if (err < 0)
|
|
goto out_delete;
|
|
|
|
/* needs to be parsed after looking up reference time */
|
|
if (perf_time__parse_str(&script.ptime, script.time_str) != 0) {
|
|
pr_err("Invalid time string\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
err = __cmd_script(&script);
|
|
|
|
flush_scripting();
|
|
|
|
out_delete:
|
|
perf_evlist__free_stats(session->evlist);
|
|
perf_session__delete(session);
|
|
|
|
if (script_started)
|
|
cleanup_scripting();
|
|
out:
|
|
return err;
|
|
}
|