linux-kernel - Re: [GIT PULL 0/4] perf/urgent fixes for 'perf sched timehist' and samples/bpf/ testing

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Date:   Fri, 23 Dec 2016 20:24:18 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Alexei Starovoitov <ast@...com>,
        Daniel Borkmann <daniel@...earbox.net>,
        David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...nel.org>,
        Joe Stringer <joe@....org>, Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Wang Nan <wangnan0@...wei.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [GIT PULL 0/4] perf/urgent fixes for 'perf sched timehist' and
 samples/bpf/ testing


* Arnaldo Carvalho de Melo <acme@...nel.org> wrote:

> Hi Ingo,
> 
> 	Please consider pulling,
> 
> - Arnaldo
> 
> P.S.: Some of the container test builds now include building samples/bpf/ with:
> 
>   $ make O=/tmp/build/linux allmodconfig
>   $ make O=/tmp/build/linux headers_install
>   $ make O=/tmp/build/linux samples/bpf/
> 
> In distributions having at least clang/llvm 3.8+ with the 'bpf' target.
> 
> Examples include debian:experimental, fedora:rawhide and opensuse:tumbleweed,
> more to come as I go over rebuilding the containers looking for more suitable
> environments.
> 
> This will help in finding regressions in this area, now using tools/lib/bpf/.
> 
> Test results at the end of this message, as usual.
> 
> The following changes since commit 1134c2b5cb840409ffd966d8c2a9468f64e6a494:
> 
>   perf/x86: Fix overlap counter scheduling bug (2016-12-22 17:45:43 +0100)
> 
> are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-urgent-for-mingo-20161222
> 
> for you to fetch changes up to bdd75729e5d279d734e8d3fb41ef4818ac1598ab:
> 
>   perf sched timehist: Fix invalid period calculation (2016-12-22 16:35:46 -0300)
> 
> ----------------------------------------------------------------
> perf/urgent fixes:
> 
> Fixes for 'perf sched timehist': (Namhyung Kim)
> 
> - Define a larger initial alignment value for the COMM column and
>   make it be more consistently honoured, for instance in the header.
> 
> - Fix invalid period calculation when using the --time option to
>   select a time slice, when events outside that slice were being
>   considered for the per cpu idle stats summary.
> 
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> 
> ----------------------------------------------------------------
> Namhyung Kim (4):
>       perf sched timehist: Honour 'comm_width' when aligning the headers
>       perf sched timehist: Enlarge default 'comm_width'
>       perf sched timehist: Remove hardcoded 'comm_width' check at print_summary
>       perf sched timehist: Fix invalid period calculation
> 
>  tools/perf/builtin-sched.c | 14 ++++++--------
>  1 file changed, 6 insertions(+), 8 deletions(-)

Pulled, thanks a lot Arnaldo!

	Ingo