On 2019-02-24 10:37 a.m., Andi Kleen wrote:
> From: Andi Kleen <a...@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 <a...@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);
>
