lkml.org 
[lkml]   [2023]   [Jan]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH 0/4] perf intel-pt: Fix the pipe mode (v1)
From


On 27/01/2023 00:19, Namhyung Kim wrote:
> Hello,
>
> I found some problems in Intel-PT and auxtrace in general with pipe.
> In the past it used to work with pipe, but recent code fails. As it
> also touches the generic code, other auxtrace users like ARM SPE will
> be affected too. I added a test case to verify it works with pipes.
>
> At last, I can run this command without a problem.
>
> $ perf record -o- -e intel_pt// true | perf inject -b | perf report -i- --itrace=i1000
>
> The code is available at 'perf/auxtrace-pipe-v1' branch in
>
> git://git.kernel.org/pub/scm/linux/kernel/git/namhyung/linux-perf.git
>
> Thanks,
> Namhyung
>
> Namhyung Kim (4):
> perf inject: Use perf_data__read() for auxtrace
> perf intel-pt: Do not try to queue auxtrace data on pipe
> perf session: Avoid calling lseek(2) for pipe
> perf test: Add pipe mode test to the Intel PT test suite
>
> tools/perf/builtin-inject.c | 6 +++---
> tools/perf/tests/shell/test_intel_pt.sh | 17 +++++++++++++++++
> tools/perf/util/auxtrace.c | 3 +++
> tools/perf/util/session.c | 9 +++++++--
> 4 files changed, 30 insertions(+), 5 deletions(-)
>
>
For the whole set:

Reviewed-by: James Clark <james.clark@arm.com>

> base-commit: 5670ebf54bd26482f57a094c53bdc562c106e0a9
> prerequisite-patch-id: 4ccdf9c974a3909075051f4ffe498faecab7567b

\
 
 \ /
  Last update: 2023-03-26 23:58    [W:0.102 / U:1.244 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site