From: Peter Zijlstra <peterz@infradead.org>
To: Andres Freund <andres@anarazel.de>
Cc: linux-kernel@vger.kernel.org,
Stephane Eranian <eranian@google.com>,
acme@kernel.org, jolsa@redhat.com, mingo@elte.hu,
anton@ozlabs.org, namhyung@kernel.org,
Stephane Eranian <eranian@gmail.com>
Subject: Re: perf/jit doesn't cope well with mprotect() to jit containing pages
Date: Mon, 12 Dec 2016 10:28:13 +0100 [thread overview]
Message-ID: <20161212092813.GA3124@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <1E8A5038-EDD2-446D-958E-80227AD12845@anarazel.de>
On Mon, Dec 12, 2016 at 01:01:48AM -0800, Andres Freund wrote:
>
>
> On December 12, 2016 12:49:03 AM PST, Peter Zijlstra <peterz@infradead.org> wrote:
> >On Fri, Dec 09, 2016 at 09:02:18PM -0800, Andres Freund wrote:
>
> >> Am I doing something wrong, or is there a bug here?
> >
> >Expected behaviour afaict
>
> So I need to prevent vma merging to use perf jit support? That seems
> a bit weird.
No idea about that, I don't really have the whole JIT stuff present atm.
I just know how the mmap stuff works.
Stephane?
next prev parent reply other threads:[~2016-12-12 9:28 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-10 5:02 perf/jit doesn't cope well with mprotect() to jit containing pages Andres Freund
2016-12-12 8:49 ` Peter Zijlstra
2016-12-12 9:01 ` Andres Freund
2016-12-12 9:28 ` Peter Zijlstra [this message]
2017-01-26 1:25 ` Andres Freund
2017-01-26 22:15 ` Peter Zijlstra
2017-01-26 23:04 ` Andres Freund
2017-01-30 11:52 ` [tip:perf/core] perf/core: Fix PERF_RECORD_MMAP2 prot/flags for anonymous memory tip-bot for Peter Zijlstra
2017-01-26 20:32 ` perf/jit doesn't cope well with mprotect() to jit containing pages Stephane Eranian
2017-01-26 21:00 ` Andres Freund
2017-01-26 21:17 ` Stephane Eranian
2017-01-26 21:22 ` Andres Freund
2017-01-26 21:34 ` Stephane Eranian
2017-01-26 21:51 ` Andres Freund
2017-01-26 22:19 ` Peter Zijlstra
2017-01-26 22:26 ` Stephane Eranian
2017-01-26 22:38 ` Andres Freund
2017-01-26 22:51 ` Stephane Eranian
2017-01-26 23:09 ` Andres Freund
2017-01-26 23:16 ` Stephane Eranian
2017-01-27 13:07 ` Peter Zijlstra
2017-01-27 15:43 ` Arnaldo Carvalho de Melo
2017-01-27 17:35 ` Stephane Eranian
2017-01-27 17:38 ` [PATCH] handle munmap records in tools/perf was: " Arnaldo Carvalho de Melo
2017-01-27 17:46 ` Stephane Eranian
2017-01-27 18:05 ` Arnaldo Carvalho de Melo
2017-01-27 18:10 ` Stephane Eranian
2017-01-27 19:18 ` Arnaldo Carvalho de Melo
2017-01-27 19:26 ` Stephane Eranian
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