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perf tools: Move all users of event_name to perf_evsel__name 

So that we don't use global variables that could make us misreport event
names when having a multi window top, for instance.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-mccancovi1u0wdkg8ncth509@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2012-06-12 12:34:58 -03:00
parent a446083604
commit 7289f83cce
15 changed files with 40 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tools/perf/builtin-evlist.c
View File

@ -60,7 +60,7 @@ static int __cmd_evlist(const char *input_name, struct perf_attr_details *detail
list_for_each_entry(pos, &session->evlist->entries, node) {
bool first = true;
printf("%s", event_name(pos));
printf("%s", perf_evsel__name(pos));
if (details->verbose || details->freq) {
comma_printf(&first, " sample_freq=%" PRIu64,

4
tools/perf/builtin-record.c
View File

@ -265,7 +265,7 @@ try_again:
if (err == ENOENT) {
ui__error("The %s event is not supported.\n",
event_name(pos));
perf_evsel__name(pos));
exit(EXIT_FAILURE);
}
@ -916,7 +916,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
usage_with_options(record_usage, record_options);
list_for_each_entry(pos, &evsel_list->entries, node) {
if (perf_header__push_event(pos->attr.config, event_name(pos)))
if (perf_header__push_event(pos->attr.config, perf_evsel__name(pos)))
goto out_free_fd;
}

6
tools/perf/builtin-report.c
View File

@ -230,7 +230,7 @@ static int process_read_event(struct perf_tool *tool,
struct perf_report *rep = container_of(tool, struct perf_report, tool);
if (rep->show_threads) {
const char *name = evsel ? event_name(evsel) : "unknown";
const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
perf_read_values_add_value(&rep->show_threads_values,
event->read.pid, event->read.tid,
event->read.id,
@ -239,7 +239,7 @@ static int process_read_event(struct perf_tool *tool,
}
dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
evsel ? event_name(evsel) : "FAIL",
evsel ? perf_evsel__name(evsel) : "FAIL",
event->read.value);
return 0;
@ -314,7 +314,7 @@ static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
list_for_each_entry(pos, &evlist->entries, node) {
struct hists *hists = &pos->hists;
const char *evname = event_name(pos);
const char *evname = perf_evsel__name(pos);
hists__fprintf_nr_sample_events(hists, evname, stdout);
hists__fprintf(hists, NULL, false, true, 0, 0, stdout);

12
tools/perf/builtin-stat.c
View File

@ -391,7 +391,7 @@ static int read_counter_aggr(struct perf_evsel *counter)
if (verbose) {
fprintf(output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
event_name(counter), count[0], count[1], count[2]);
perf_evsel__name(counter), count[0], count[1], count[2]);
}
/*
@ -496,7 +496,7 @@ static int run_perf_stat(int argc __used, const char **argv)
errno == ENXIO) {
if (verbose)
ui__warning("%s event is not supported by the kernel.\n",
event_name(counter));
perf_evsel__name(counter));
counter->supported = false;
continue;
}
@ -594,7 +594,7 @@ static void nsec_printout(int cpu, struct perf_evsel *evsel, double avg)
csv_output ? 0 : -4,
evsel_list->cpus->map[cpu], csv_sep);
fprintf(output, fmt, cpustr, msecs, csv_sep, event_name(evsel));
fprintf(output, fmt, cpustr, msecs, csv_sep, perf_evsel__name(evsel));
if (evsel->cgrp)
fprintf(output, "%s%s", csv_sep, evsel->cgrp->name);
@ -792,7 +792,7 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg)
else
cpu = 0;
fprintf(output, fmt, cpustr, avg, csv_sep, event_name(evsel));
fprintf(output, fmt, cpustr, avg, csv_sep, perf_evsel__name(evsel));
if (evsel->cgrp)
fprintf(output, "%s%s", csv_sep, evsel->cgrp->name);
@ -908,7 +908,7 @@ static void print_counter_aggr(struct perf_evsel *counter)
counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
csv_sep,
csv_output ? 0 : -24,
event_name(counter));
perf_evsel__name(counter));
if (counter->cgrp)
fprintf(output, "%s%s", csv_sep, counter->cgrp->name);
@ -961,7 +961,7 @@ static void print_counter(struct perf_evsel *counter)
counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
csv_sep,
csv_output ? 0 : -24,
event_name(counter));
perf_evsel__name(counter));
if (counter->cgrp)
fprintf(output, "%s%s",

2
tools/perf/builtin-test.c
View File

@ -583,7 +583,7 @@ static int test__basic_mmap(void)
if (nr_events[evsel->idx] != expected_nr_events[evsel->idx]) {
pr_debug("expected %d %s events, got %d\n",
expected_nr_events[evsel->idx],
event_name(evsel), nr_events[evsel->idx]);
perf_evsel__name(evsel), nr_events[evsel->idx]);
goto out_munmap;
}
}

10
tools/perf/builtin-top.c
View File

@ -245,7 +245,7 @@ static void perf_top__show_details(struct perf_top *top)
if (notes->src == NULL)
goto out_unlock;
printf("Showing %s for %s\n", event_name(top->sym_evsel), symbol->name);
printf("Showing %s for %s\n", perf_evsel__name(top->sym_evsel), symbol->name);
printf(" Events Pcnt (>=%d%%)\n", top->sym_pcnt_filter);
more = symbol__annotate_printf(symbol, he->ms.map, top->sym_evsel->idx,
@ -408,7 +408,7 @@ static void perf_top__print_mapped_keys(struct perf_top *top)
fprintf(stdout, "\t[e] display entries (lines). \t(%d)\n", top->print_entries);
if (top->evlist->nr_entries > 1)
fprintf(stdout, "\t[E] active event counter. \t(%s)\n", event_name(top->sym_evsel));
fprintf(stdout, "\t[E] active event counter. \t(%s)\n", perf_evsel__name(top->sym_evsel));
fprintf(stdout, "\t[f] profile display filter (count). \t(%d)\n", top->count_filter);
@ -503,13 +503,13 @@ static void perf_top__handle_keypress(struct perf_top *top, int c)
fprintf(stderr, "\nAvailable events:");
list_for_each_entry(top->sym_evsel, &top->evlist->entries, node)
fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, event_name(top->sym_evsel));
fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, perf_evsel__name(top->sym_evsel));
prompt_integer(&counter, "Enter details event counter");
if (counter >= top->evlist->nr_entries) {
top->sym_evsel = list_entry(top->evlist->entries.next, struct perf_evsel, node);
fprintf(stderr, "Sorry, no such event, using %s.\n", event_name(top->sym_evsel));
fprintf(stderr, "Sorry, no such event, using %s.\n", perf_evsel__name(top->sym_evsel));
sleep(1);
break;
}
@ -960,7 +960,7 @@ try_again:
if (err == ENOENT) {
ui__error("The %s event is not supported.\n",
event_name(counter));
perf_evsel__name(counter));
goto out_err;
} else if (err == EMFILE) {
ui__error("Too many events are opened.\n"

15
tools/perf/ui/browsers/hists.c
View File

@ -1367,7 +1367,7 @@ static void perf_evsel_menu__write(struct ui_browser *browser,
struct perf_evsel *evsel = list_entry(entry, struct perf_evsel, node);
bool current_entry = ui_browser__is_current_entry(browser, row);
unsigned long nr_events = evsel->hists.stats.nr_events[PERF_RECORD_SAMPLE];
const char *ev_name = event_name(evsel);
const char *ev_name = perf_evsel__name(evsel);
char bf[256], unit;
const char *warn = " ";
size_t printed;
@ -1435,7 +1435,7 @@ browse_hists:
*/
if (timer)
timer(arg);
ev_name = event_name(pos);
ev_name = perf_evsel__name(pos);
key = perf_evsel__hists_browse(pos, nr_events, help,
ev_name, true, timer,
arg, delay_secs);
@ -1504,17 +1504,11 @@ static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist,
ui_helpline__push("Press ESC to exit");
list_for_each_entry(pos, &evlist->entries, node) {
const char *ev_name = event_name(pos);
const char *ev_name = perf_evsel__name(pos);
size_t line_len = strlen(ev_name) + 7;
if (menu.b.width < line_len)
menu.b.width = line_len;
/*
* Cache the evsel name, tracepoints have a _high_ cost per
* event_name() call.
*/
if (pos->name == NULL)
pos->name = strdup(ev_name);
}
return perf_evsel_menu__run(&menu, evlist->nr_entries, help, timer,
@ -1525,11 +1519,10 @@ int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
void(*timer)(void *arg), void *arg,
int delay_secs)
{
if (evlist->nr_entries == 1) {
struct perf_evsel *first = list_entry(evlist->entries.next,
struct perf_evsel, node);
const char *ev_name = event_name(first);
const char *ev_name = perf_evsel__name(first);
return perf_evsel__hists_browse(first, evlist->nr_entries, help,
ev_name, false, timer, arg,
delay_secs);

2
tools/perf/ui/gtk/browser.c
View File

@ -199,7 +199,7 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
list_for_each_entry(pos, &evlist->entries, node) {
struct hists *hists = &pos->hists;
const char *evname = event_name(pos);
const char *evname = perf_evsel__name(pos);
GtkWidget *scrolled_window;
GtkWidget *tab_label;

26
tools/perf/util/evsel.c
View File

@ -252,42 +252,42 @@ static int perf_evsel__hw_cache_name(struct perf_evsel *evsel, char *bf, size_t
return ret + perf_evsel__add_modifiers(evsel, bf + ret, size - ret);
}
static int perf_evsel__tracepoint_name(struct perf_evsel *evsel, char *bf, size_t size)
const char *perf_evsel__name(struct perf_evsel *evsel)
{
return scnprintf(bf, size, "%s", evsel->name ?: "unknown tracepoint");
}
char bf[128];
int perf_evsel__name(struct perf_evsel *evsel, char *bf, size_t size)
{
int ret;
if (evsel->name)
return evsel->name;
switch (evsel->attr.type) {
case PERF_TYPE_RAW:
ret = scnprintf(bf, size, "raw 0x%" PRIx64, evsel->attr.config);
scnprintf(bf, sizeof(bf), "raw 0x%" PRIx64, evsel->attr.config);
break;
case PERF_TYPE_HARDWARE:
ret = perf_evsel__hw_name(evsel, bf, size);
perf_evsel__hw_name(evsel, bf, sizeof(bf));
break;
case PERF_TYPE_HW_CACHE:
ret = perf_evsel__hw_cache_name(evsel, bf, size);
perf_evsel__hw_cache_name(evsel, bf, sizeof(bf));
break;
case PERF_TYPE_SOFTWARE:
ret = perf_evsel__sw_name(evsel, bf, size);
perf_evsel__sw_name(evsel, bf, sizeof(bf));
break;
case PERF_TYPE_TRACEPOINT:
ret = perf_evsel__tracepoint_name(evsel, bf, size);
scnprintf(bf, sizeof(bf), "%s", "unknown tracepoint");
break;
default:
ret = scnprintf(bf, size, "%s", "unknown attr type");
scnprintf(bf, sizeof(bf), "%s", "unknown attr type");
break;
}
return ret;
evsel->name = strdup(bf);
return evsel->name ?: "unknown";
}
void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts,

2
tools/perf/util/evsel.h
View File

@ -100,7 +100,7 @@ int __perf_evsel__hw_cache_name(u64 config, char *bf, size_t size);
const char *__perf_evsel__hw_name(u64 config);
const char *__perf_evsel__sw_name(u64 config);
int perf_evsel__name(struct perf_evsel *evsel, char *bf, size_t size);
const char *perf_evsel__name(struct perf_evsel *evsel);
int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);

2
tools/perf/util/header.c
View File

@ -641,7 +641,7 @@ static int write_event_desc(int fd, struct perf_header *h __used,
/*
* write event string as passed on cmdline
*/
ret = do_write_string(fd, event_name(attr));
ret = do_write_string(fd, perf_evsel__name(attr));
if (ret < 0)
return ret;
/*

7
tools/perf/util/parse-events.c
View File

@ -201,13 +201,6 @@ const char *event_type(int type)
return "unknown";
}
const char *event_name(struct perf_evsel *evsel)
{
static char bf[128];
perf_evsel__name(evsel, bf, sizeof(bf));
return bf;
}
const char *__event_name(int type, u64 config)
{
static char buf[32];

1
tools/perf/util/parse-events.h
View File

@ -26,7 +26,6 @@ extern struct tracepoint_path *tracepoint_id_to_path(u64 config);
extern bool have_tracepoints(struct list_head *evlist);
const char *event_type(int type);
const char *event_name(struct perf_evsel *event);
extern const char *__event_name(int type, u64 config);
extern int parse_events_option(const struct option *opt, const char *str,

2
tools/perf/util/session.c
View File

@ -1439,7 +1439,7 @@ size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp)
ret += hists__fprintf_nr_events(&session->hists, fp);
list_for_each_entry(pos, &session->evlist->entries, node) {
ret += fprintf(fp, "%s stats:\n", event_name(pos));
ret += fprintf(fp, "%s stats:\n", perf_evsel__name(pos));
ret += hists__fprintf_nr_events(&pos->hists, fp);
}

2
tools/perf/util/top.c
View File

@ -65,7 +65,7 @@ size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size)
top->freq ? "Hz" : "");
}
ret += SNPRINTF(bf + ret, size - ret, "%s", event_name(top->sym_evsel));
ret += SNPRINTF(bf + ret, size - ret, "%s", perf_evsel__name(top->sym_evsel));
ret += SNPRINTF(bf + ret, size - ret, "], ");