diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-timechart.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index 99fe363f1de8..db9c4c172587 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -531,12 +531,10 @@ static int process_sample_event(struct perf_tool *tool, tchart->last_time = sample->time; } - if (sample->cpu > tchart->numcpus) - tchart->numcpus = sample->cpu; - if (evsel->handler != NULL) { tracepoint_handler f = evsel->handler; - return f(tchart, evsel, sample, cat_backtrace(event, sample, machine)); + return f(tchart, evsel, sample, + cat_backtrace(event, sample, machine)); } return 0; @@ -1038,8 +1036,6 @@ static void write_svg_file(struct timechart *tchart, const char *filename) int count; int thresh = TIME_THRESH; - tchart->numcpus++; - if (tchart->power_only) tchart->proc_num = 0; @@ -1069,6 +1065,25 @@ static void write_svg_file(struct timechart *tchart, const char *filename) svg_close(); } +static int process_header(struct perf_file_section *section __maybe_unused, + struct perf_header *ph, + int feat, + int fd __maybe_unused, + void *data) +{ + struct timechart *tchart = data; + + switch (feat) { + case HEADER_NRCPUS: + tchart->numcpus = ph->env.nr_cpus_avail; + break; + default: + break; + } + + return 0; +} + static int __cmd_timechart(struct timechart *tchart, const char *output_name) { const struct perf_evsel_str_handler power_tracepoints[] = { @@ -1094,6 +1109,11 @@ static int __cmd_timechart(struct timechart *tchart, const char *output_name) if (session == NULL) return -ENOMEM; + (void)perf_header__process_sections(&session->header, + perf_data_file__fd(session->file), + tchart, + process_header); + if (!perf_session__has_traces(session, "timechart record")) goto out_delete; |