diff options
| -rw-r--r-- | tools/perf/Documentation/perf-script.txt | 16 | ||||
| -rw-r--r-- | tools/perf/builtin-script.c | 34 |
2 files changed, 44 insertions, 6 deletions
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 974ceb12c7f3..7b622a812a72 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -329,6 +329,22 @@ include::itrace.txt[] stop time is not given (i.e, time string is 'x.y,') then analysis goes to end of file. + Also support time percent with multipe time range. Time string is + 'a%/n,b%/m,...' or 'a%-b%,c%-%d,...'. The maximum number of slices is 10. + + For example: + Select the second 10% time slice + perf script --time 10%/2 + + Select from 0% to 10% time slice + perf script --time 0%-10% + + Select the first and second 10% time slices + perf script --time 10%/1,10%/2 + + Select from 0% to 10% and 30% to 40% slices + perf script --time 0%-10%,30%-40% + --max-blocks:: Set the maximum number of program blocks to print with brstackasm for each sample. diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 77e47cf39f2c..330dcd9b9b8f 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -1436,6 +1436,8 @@ static int perf_sample__fprintf_synth(struct perf_sample *sample, return 0; } +#define PTIME_RANGE_MAX 10 + struct perf_script { struct perf_tool tool; struct perf_session *session; @@ -1449,7 +1451,8 @@ struct perf_script { struct thread_map *threads; int name_width; const char *time_str; - struct perf_time_interval ptime; + struct perf_time_interval ptime_range[PTIME_RANGE_MAX]; + int range_num; }; static int perf_evlist__max_name_len(struct perf_evlist *evlist) @@ -1734,8 +1737,10 @@ static int process_sample_event(struct perf_tool *tool, struct perf_script *scr = container_of(tool, struct perf_script, tool); struct addr_location al; - if (perf_time__skip_sample(&scr->ptime, sample->time)) + if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, + sample->time)) { return 0; + } if (debug_mode) { if (sample->time < last_timestamp) { @@ -3360,10 +3365,27 @@ int cmd_script(int argc, const char **argv) 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"); - err = -EINVAL; - goto out_delete; + if (perf_time__parse_str(script.ptime_range, script.time_str) != 0) { + if (session->evlist->first_sample_time == 0 && + session->evlist->last_sample_time == 0) { + pr_err("No first/last sample time in perf data\n"); + err = -EINVAL; + goto out_delete; + } + + script.range_num = perf_time__percent_parse_str( + script.ptime_range, PTIME_RANGE_MAX, + script.time_str, + session->evlist->first_sample_time, + session->evlist->last_sample_time); + + if (script.range_num < 0) { + pr_err("Invalid time string\n"); + err = -EINVAL; + goto out_delete; + } + } else { + script.range_num = 1; } err = __cmd_script(&script); |