Messages in this thread | | | Subject | Re: [PATCH 03/11] perf tools report: Support nano seconds | From | Sebastien Boisvert <> | Date | Mon, 25 Feb 2019 11:40:45 -0500 |
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On 2019-02-24 10:37 a.m., Andi Kleen wrote: > From: Andi Kleen <ak@linux.intel.com> > > Upcoming changes add timestamp output in perf report. Add a --ns > argument similar to perf script to support nanoseconds resolution > when needed.
Is this a ISO-8601 date with nanoseconds ?
> > Signed-off-by: Andi Kleen <ak@linux.intel.com> > --- > tools/perf/Documentation/perf-report.txt | 3 +++ > tools/perf/builtin-report.c | 1 + > tools/perf/builtin-script.c | 1 - > tools/perf/util/sort.c | 1 + > tools/perf/util/sort.h | 2 ++ > 5 files changed, 7 insertions(+), 1 deletion(-) > > diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt > index 1a27bfe05039..51dbc519dbce 100644 > --- a/tools/perf/Documentation/perf-report.txt > +++ b/tools/perf/Documentation/perf-report.txt > @@ -477,6 +477,9 @@ include::itrace.txt[] > Please note that not all mmaps are stored, options affecting which ones > are include 'perf record --data', for instance. > > +--ns:: > + Show time stamps in nanoseconds. > + > --stats:: > Display overall events statistics without any further processing. > (like the one at the end of the perf report -D command) > diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c > index 2e8c74d6430c..bb8918a747ba 100644 > --- a/tools/perf/builtin-report.c > +++ b/tools/perf/builtin-report.c > @@ -1147,6 +1147,7 @@ int cmd_report(int argc, const char **argv) > OPT_CALLBACK(0, "percent-type", &report.annotation_opts, "local-period", > "Set percent type local/global-period/hits", > annotate_parse_percent_type), > + OPT_BOOLEAN(0, "ns", &nanosecs, "Show times in nanosecs"), > OPT_END() > }; > struct perf_data data = { > diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c > index 261055302d08..628c04543974 100644 > --- a/tools/perf/builtin-script.c > +++ b/tools/perf/builtin-script.c > @@ -59,7 +59,6 @@ static bool no_callchain; > static bool latency_format; > static bool system_wide; > static bool print_flags; > -static bool nanosecs; > static const char *cpu_list; > static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); > static struct perf_stat_config stat_config; > diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c > index 2b6c1ccb878c..d1010a966f9b 100644 > --- a/tools/perf/util/sort.c > +++ b/tools/perf/util/sort.c > @@ -31,6 +31,7 @@ const char *field_order; > regex_t ignore_callees_regex; > int have_ignore_callees = 0; > enum sort_mode sort__mode = SORT_MODE__NORMAL; > +bool nanosecs = false; > > /* > * Replaces all occurrences of a char used with the: > diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h > index 2fbee0b1011c..98223d952404 100644 > --- a/tools/perf/util/sort.h > +++ b/tools/perf/util/sort.h > @@ -278,6 +278,8 @@ struct sort_entry { > extern struct sort_entry sort_thread; > extern struct list_head hist_entry__sort_list; > > +extern bool nanosecs; > + > struct perf_evlist; > struct tep_handle; > int setup_sorting(struct perf_evlist *evlist); >
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