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Code Issues Releases Wiki Activity

perf script: Share addr_al between functions

Browse source 
Share the addr_location of 'addr' so that it need not be resolved more than
once.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20210621150514.32159-4-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2021-06-21 18:05:06 +03:00 committed by Arnaldo Carvalho de Melo
parent 4371fbc0c9
commit b743b86ce6
1 changed files with 24 additions and 14 deletions
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38
tools/perf/builtin-script.c
View file

@ -1337,17 +1337,18 @@ static const char *resolve_branch_sym(struct perf_sample *sample,
struct evsel *evsel,
struct thread *thread,
struct addr_location *al,
struct addr_location *addr_al,
u64 *ip)
{
struct addr_location addr_al;
struct perf_event_attr *attr = &evsel->core.attr;
const char *name = NULL;
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;
if (!addr_al->thread)
thread__resolve(thread, addr_al, sample);
if (addr_al->sym)
name = addr_al->sym->name;
else
*ip = sample->addr;
} else {
@ -1365,7 +1366,9 @@ static const char *resolve_branch_sym(struct perf_sample *sample,
static int perf_sample__fprintf_callindent(struct perf_sample *sample,
struct evsel *evsel,
struct thread *thread,
struct addr_location *al, FILE *fp)
struct addr_location *al,
struct addr_location *addr_al,
FILE *fp)
{
struct perf_event_attr *attr = &evsel->core.attr;
size_t depth = thread_stack__depth(thread, sample->cpu);
@ -1382,7 +1385,7 @@ static int perf_sample__fprintf_callindent(struct perf_sample *sample,
if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
depth += 1;
name = resolve_branch_sym(sample, evsel, thread, al, &ip);
name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
dlen += fprintf(fp, "(");
@ -1466,6 +1469,7 @@ static int perf_sample__fprintf_bts(struct perf_sample *sample,
struct evsel *evsel,
struct thread *thread,
struct addr_location *al,
struct addr_location *addr_al,
struct machine *machine, FILE *fp)
{
struct perf_event_attr *attr = &evsel->core.attr;
@ -1474,7 +1478,7 @@ static int perf_sample__fprintf_bts(struct perf_sample *sample,
int printed = 0;
if (PRINT_FIELD(CALLINDENT))
printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
/* print branch_from information */
if (PRINT_FIELD(IP)) {
@ -1931,7 +1935,8 @@ static void perf_sample__fprint_metric(struct perf_script *script,
static bool show_event(struct perf_sample *sample,
struct evsel *evsel,
struct thread *thread,
struct addr_location *al)
struct addr_location *al,
struct addr_location *addr_al)
{
int depth = thread_stack__depth(thread, sample->cpu);
@ -1947,7 +1952,7 @@ static bool show_event(struct perf_sample *sample,
} else {
const char *s = symbol_conf.graph_function;
u64 ip;
const char *name = resolve_branch_sym(sample, evsel, thread, al,
const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
&ip);
unsigned nlen;
@ -1972,6 +1977,7 @@ static bool show_event(struct perf_sample *sample,
static void process_event(struct perf_script *script,
struct perf_sample *sample, struct evsel *evsel,
struct addr_location *al,
struct addr_location *addr_al,
struct machine *machine)
{
struct thread *thread = al->thread;
@ -2005,7 +2011,7 @@ static void process_event(struct perf_script *script,
perf_sample__fprintf_flags(sample->flags, fp);
if (is_bts_event(attr)) {
perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
return;
}
@ -2168,6 +2174,7 @@ static int process_sample_event(struct perf_tool *tool,
{
struct perf_script *scr = container_of(tool, struct perf_script, tool);
struct addr_location al;
struct addr_location addr_al;
if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
sample->time)) {
@ -2197,7 +2204,10 @@ static int process_sample_event(struct perf_tool *tool,
if (al.filtered)
goto out_put;
if (!show_event(sample, evsel, al.thread, &al))
/* Set thread to NULL to indicate addr_al is not initialized */
addr_al.thread = NULL;
if (!show_event(sample, evsel, al.thread, &al, &addr_al))
goto out_put;
if (evswitch__discard(&scr->evswitch, evsel))
@ -2205,16 +2215,16 @@ static int process_sample_event(struct perf_tool *tool,
if (scripting_ops) {
struct addr_location *addr_al_ptr = NULL;
struct addr_location addr_al;
if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
sample_addr_correlates_sym(&evsel->core.attr)) {
thread__resolve(al.thread, &addr_al, sample);
if (!addr_al.thread)
thread__resolve(al.thread, &addr_al, sample);
addr_al_ptr = &addr_al;
}
scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
} else {
process_event(scr, sample, evsel, &al, machine);
process_event(scr, sample, evsel, &al, &addr_al, machine);
}
out_put: