lkml.org 
[lkml]   [2013]   [Jul]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH V8 14/15] perf tools: add a function to calculate sample event size
On Thu, Jul 18, 2013 at 01:42:56PM +0300, Adrian Hunter wrote:

SNIP

> @@ -227,6 +227,8 @@ int perf_event__preprocess_sample(const union perf_event *self,
>
> const char *perf_event__name(unsigned int id);
>
> +size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
> + u64 sample_regs_user);
> int perf_event__synthesize_sample(union perf_event *event, u64 type,
> u64 sample_regs_user,
> const struct perf_sample *sample,
> diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
> index 047ab02..7a5ff06 100644
> --- a/tools/perf/util/evsel.c
> +++ b/tools/perf/util/evsel.c
> @@ -1348,6 +1348,87 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
> return 0;
> }
>
> +size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
> + u64 sample_regs_user)
> +{
> + size_t sz, result = sizeof(struct sample_event);
> +
> + if (type & PERF_SAMPLE_IDENTIFIER)
> + result += sizeof(u64);
> +
> + if (type & PERF_SAMPLE_IP)
> + result += sizeof(u64);
> +
> + if (type & PERF_SAMPLE_TID)
> + result += sizeof(u64);
> +
> + if (type & PERF_SAMPLE_TIME)
> + result += sizeof(u64);
> +
> + if (type & PERF_SAMPLE_ADDR)
> + result += sizeof(u64);
> +
> + if (type & PERF_SAMPLE_ID)
> + result += sizeof(u64);
> +
> + if (type & PERF_SAMPLE_STREAM_ID)
> + result += sizeof(u64);
> +
> + if (type & PERF_SAMPLE_CPU)
> + result += sizeof(u64);
> +
> + if (type & PERF_SAMPLE_PERIOD)
> + result += sizeof(u64);
> +
> + if (type & PERF_SAMPLE_READ) {
> + fprintf(stderr, "PERF_SAMPLE_READ is unsupported for now\n");
> + result += 8192; /* To be on the safe side */
> + }

There' a patchset pending to be merged that implements
PERF_SAMPLE_READ. I wonder which one makes it in first..
looser will have to update this code ;-)

Acked-by: Jiri Olsa <jolsa@redhat.com>

thanks,
jirka


\
 
 \ /
  Last update: 2013-07-24 15:41    [W:0.128 / U:0.024 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site