diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 7 | ||||
| -rw-r--r-- | tools/perf/builtin-report.c | 14 |
2 files changed, 20 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 2d1746295abf..3a166ae4a4d3 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -382,6 +382,13 @@ OPTIONS --header-only:: Show only perf.data header (forces --stdio). +--time:: + Only analyze samples within given time window: <start>,<stop>. Times + have the format seconds.microseconds. If start is not given (i.e., time + string is ',x.y') then analysis starts at the beginning of the file. If + stop time is not given (i.e, time string is 'x.y,') then analysis goes + to end of file. + --itrace:: Options for decoding instruction tracing data. The options are: diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 3dfbfffe2ecd..d2afbe4a240d 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -36,7 +36,7 @@ #include "util/hist.h" #include "util/data.h" #include "arch/common.h" - +#include "util/time-utils.h" #include "util/auxtrace.h" #include <dlfcn.h> @@ -59,6 +59,8 @@ struct report { const char *pretty_printing_style; const char *cpu_list; const char *symbol_filter_str; + const char *time_str; + struct perf_time_interval ptime; float min_percent; u64 nr_entries; u64 queue_size; @@ -158,6 +160,9 @@ static int process_sample_event(struct perf_tool *tool, }; int ret = 0; + if (perf_time__skip_sample(&rep->ptime, sample->time)) + return 0; + if (machine__resolve(machine, &al, sample) < 0) { pr_debug("problem processing %d event, skipping it.\n", event->header.type); @@ -830,6 +835,8 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode", "'always' (default), 'never' or 'auto' only applicable to --stdio mode", stdio__config_color, "always"), + OPT_STRING(0, "time", &report.time_str, "str", + "Time span of interest (start,stop)"), OPT_END() }; struct perf_data_file file = { @@ -1015,6 +1022,11 @@ repeat: if (symbol__init(&session->header.env) < 0) goto error; + if (perf_time__parse_str(&report.ptime, report.time_str) != 0) { + pr_err("Invalid time string\n"); + return -EINVAL; + } + sort__setup_elide(stdout); ret = __cmd_report(&report); |