From: Jiri Olsa <jolsa@redhat.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Namhyung Kim <namhyung@kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Jiri Olsa <jolsa@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
David Ahern <dsahern@gmail.com>, Andi Kleen <andi@firstfloor.org>,
Stephane Eranian <eranian@google.com>,
Wang Nan <wangnan0@huawei.com>
Subject: Re: [PATCH 4/5] perf report: Fix dynamic entry display in hierarchy
Date: Sat, 27 Feb 2016 00:12:08 +0100 [thread overview]
Message-ID: <20160226231208.GD19398@krava.redhat.com> (raw)
In-Reply-To: <20160226223705.GB8720@kernel.org>
On Fri, Feb 26, 2016 at 07:37:05PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Fri, Feb 26, 2016 at 05:26:02PM -0500, Steven Rostedt escreveu:
> > On Fri, 26 Feb 2016 19:08:19 -0300
> > Arnaldo Carvalho de Melo <acme@kernel.org> wrote:
> >
> >
> > > It is exploding at this depth, not liking how gfp_flags is described, problem
> > > seems to be in this function, this __print_flags() long thing.
> > >
> > > Steven, does this look familiar?
> > >
> > >
> >
> > Hmm, trace-cmd has the same issue. I just having noticed.
> >
> > I'll see if I can fix it.
>
> Ok, this works well with an RHEL kernel being tested with tons of perf
> backports by Jiri, its just with 4.5-rc kernels that this is exploding.
thanks, I isolated this down to the:
156174999dd1 perf/intel/x86: Enlarge the PEBS buffer
it's related to the FREERUNNING PEBS patchset that allows
store more than 1 event in PEBS buffer
seems like Core CPU doesn't like the default setup and
delays in msr access, which makes the watchdog scream
jirka
next prev parent reply other threads:[~2016-02-26 23:12 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-26 18:52 [PATCH 1/5] perf report: Fix comparing of dynamic entries Namhyung Kim
2016-02-26 18:52 ` [PATCH 2/5] perf report: Fix indentation of dynamic entries in hierarchy Namhyung Kim
2016-02-27 9:43 ` [tip:perf/core] " tip-bot for Namhyung Kim
2016-02-26 18:52 ` [PATCH 3/5] perf report: Left align " Namhyung Kim
2016-02-27 9:43 ` [tip:perf/core] " tip-bot for Namhyung Kim
2016-02-26 18:52 ` [PATCH 4/5] perf report: Fix dynamic entry display " Namhyung Kim
2016-02-26 21:43 ` Arnaldo Carvalho de Melo
2016-02-26 21:45 ` Arnaldo Carvalho de Melo
2016-02-26 22:08 ` Arnaldo Carvalho de Melo
2016-02-26 22:24 ` Arnaldo Carvalho de Melo
2016-02-26 22:26 ` Steven Rostedt
2016-02-26 22:37 ` Arnaldo Carvalho de Melo
2016-02-26 23:12 ` Jiri Olsa [this message]
2016-02-26 23:13 ` Jiri Olsa
2016-02-26 23:13 ` [PATCH] tools lib traceevent: Add '~' operation within arg_num_eval() Steven Rostedt
2016-02-26 23:39 ` Arnaldo Carvalho de Melo
2016-02-26 23:45 ` David Ahern
2016-03-10 16:16 ` David Ahern
2016-03-10 19:28 ` Arnaldo Carvalho de Melo
2016-03-11 8:47 ` [tip:perf/core] " tip-bot for Steven Rostedt
2016-02-27 9:44 ` [tip:perf/core] perf hists: Fix dynamic entry display in hierarchy tip-bot for Namhyung Kim
2016-02-26 18:52 ` [PATCH 5/5] perf report: Update column width of dynamic entries Namhyung Kim
2016-02-26 22:43 ` Arnaldo Carvalho de Melo
2016-02-27 9:44 ` [tip:perf/core] " tip-bot for Namhyung Kim
2016-02-26 21:23 ` [PATCH 1/5] perf report: Fix comparing " Jiri Olsa
2016-02-27 9:43 ` [tip:perf/core] perf hists: " tip-bot for Namhyung Kim
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