lkml.org 
[lkml]   [2015]   [Mar]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v9 06/14] perf: Add AUX record
On Tue, Mar 24, 2015 at 01:27:22PM +0200, Adrian Hunter wrote:
> On 24/03/15 13:07, Jiri Olsa wrote:
> > On Wed, Jan 14, 2015 at 02:18:15PM +0200, Alexander Shishkin wrote:
> >> When there's new data in the AUX space, output a record indicating its
> >> offset and size and a set of flags, such as PERF_AUX_FLAG_TRUNCATED, to
> >> mean the described data was truncated to fit in the ring buffer.
> >>
> >> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
> >> Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
> >> ---
> >> include/uapi/linux/perf_event.h | 19 +++++++++++++++++++
> >> kernel/events/core.c | 34 ++++++++++++++++++++++++++++++++++
> >> kernel/events/internal.h | 3 +++
> >> 3 files changed, 56 insertions(+)
> >>
> >> diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
> >> index b7ccdf5e93..2d40e2aa07 100644
> >> --- a/include/uapi/linux/perf_event.h
> >> +++ b/include/uapi/linux/perf_event.h
> >> @@ -746,6 +746,20 @@ enum perf_event_type {
> >> */
> >> PERF_RECORD_MMAP2 = 10,
> >>
> >> + /*
> >> + * Records that new data landed in the AUX buffer part.
> >> + *
> >> + * struct {
> >> + * struct perf_event_header header;
> >> + *
> >> + * u64 aux_offset;
> >> + * u64 aux_size;
> >> + * u64 flags;
> >> + * struct sample_id sample_id;
> >
> > hum, I dont see sample_id below in implementation
>
> Alex is away, so I will take the liberty of answering.
>
> perf_event_aux_event() calls perf_event__output_id_sample()
> That's it isn't it?

argh, now I see it ;-) sry

jirka


\
 
 \ /
  Last update: 2015-03-24 14:21    [W:0.053 / U:0.284 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site