On Tue, 2017-06-06 at 05:20 +0200, [email protected] wrote:
> From: Ming Liu <[email protected]>
>
> This allows users to be able to get the elapsed time of specific
> tasks from buildstats, sometimes could be useful.
>
> Signed-off-by: Ming Liu <[email protected]>
> ---
> scripts/contrib/bb-perf/buildstats.sh | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/scripts/contrib/bb-perf/buildstats.sh
> b/scripts/contrib/bb-perf/buildstats.sh
> index 8d7e248..caf34a6 100755
> --- a/scripts/contrib/bb-perf/buildstats.sh
> +++ b/scripts/contrib/bb-perf/buildstats.sh
> @@ -40,6 +40,7 @@
>
> # Stats, by type
> TIME="utime:stime:cutime:cstime"
> +ELAPSED="Started:Ended:Elapsed time"
This is useful, thanks. Just keep in mind that this is not wall time:
these timestamps come from the bitbake engine (not from /proc/[PID]),
which depending on the build parallelisms, times can change.
Leo
> IO="IO wchar:IO write_bytes:IO syscr:IO read_bytes:IO rchar:IO syscw:IO
> cancelled_write_bytes"
> RUSAGE="rusage ru_utime:rusage ru_stime:rusage ru_maxrss:rusage
> ru_minflt:rusage ru_majflt:\
> rusage ru_inblock:rusage ru_oublock:rusage ru_nvcsw:rusage ru_nivcsw"
> @@ -113,6 +114,9 @@ for stat in ${STATS}; do
> TIME)
> stats="${stats}:${TIME}"
> ;;
> + ELAPSED)
> + stats="${stats}:${ELAPSED}"
> + ;;
> IO)
> stats="${stats}:${IO}"
> ;;
> --
> 2.7.4
>
--
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