From: Jiri Olsa <jolsa@redhat.com>
To: Adrian Hunter <adrian.hunter@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H . Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
Leo Yan <leo.yan@linaro.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2 00/13] perf/x86: Add perf text poke events
Date: Mon, 24 Feb 2020 15:03:57 +0100 [thread overview]
Message-ID: <20200224140357.GI16664@krava> (raw)
In-Reply-To: <80d0902f-0b38-6f03-f4a4-f6d2693d7e25@intel.com>
On Mon, Feb 24, 2020 at 03:50:13PM +0200, Adrian Hunter wrote:
> On 12/02/20 2:49 pm, Adrian Hunter wrote:
> > Hi
> >
> > Here are patches to add a text poke event to record changes to kernel text
> > (i.e. self-modifying code) in order to support tracers like Intel PT
> > decoding through jump labels, kprobes and ftrace trampolines.
> >
> > The first 8 patches make the kernel changes and the subsequent patches are
> > tools changes.
> >
> > The next 4 patches add support for updating perf tools' data cache
> > with the changed bytes.
> >
> > The last patch is an Intel PT specific tools change.
> >
> >
> > Changes in V2:
> >
> > perf: Add perf text poke event
> >
> > Separate out x86 changes
> > The text poke event now has old len and new len
> > Revised commit message
> >
> > perf/x86: Add support for perf text poke event for text_poke_bp_batch() callers
> >
> > New patch containing x86 changes from original first patch
>
> Any comments?
>
hi,
I plan to look on it hopefuly today or tomorrow
jirka
prev parent reply other threads:[~2020-02-24 14:04 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-12 12:49 [PATCH V2 00/13] perf/x86: Add perf text poke events Adrian Hunter
2020-02-12 12:49 ` [PATCH V2 01/13] perf: Add perf text poke event Adrian Hunter
2020-02-12 12:49 ` [PATCH V2 02/13] perf/x86: Add support for perf text poke event for text_poke_bp_batch() callers Adrian Hunter
2020-02-12 12:49 ` [PATCH V2 03/13] kprobes: Add symbols for kprobe insn pages Adrian Hunter
2020-02-26 15:21 ` Jiri Olsa
2020-02-28 14:02 ` Adrian Hunter
2020-02-26 15:22 ` Jiri Olsa
2020-02-27 7:13 ` Adrian Hunter
2020-02-12 12:49 ` [PATCH V2 04/13] kprobes: Add perf ksymbol events " Adrian Hunter
2020-02-12 12:49 ` [PATCH V2 05/13] perf/x86: Add perf text poke events for kprobes Adrian Hunter
2020-02-12 12:49 ` [PATCH V2 06/13] ftrace: Add symbols for ftrace trampolines Adrian Hunter
2020-02-12 12:49 ` [PATCH V2 07/13] ftrace: Add perf ksymbol events " Adrian Hunter
2020-02-12 12:49 ` [PATCH V2 08/13] ftrace: Add perf text poke " Adrian Hunter
2020-02-12 12:49 ` [PATCH V2 09/13] perf kcore_copy: Fix module map when there are no modules loaded Adrian Hunter
2020-02-12 12:49 ` [PATCH V2 10/13] perf evlist: Disable 'immediate' events last Adrian Hunter
2020-02-12 12:49 ` [PATCH V2 11/13] perf tools: Add support for PERF_RECORD_TEXT_POKE Adrian Hunter
2020-02-12 12:49 ` [PATCH V2 12/13] perf tools: Add support for PERF_RECORD_KSYMBOL_TYPE_OOL Adrian Hunter
2020-02-12 12:49 ` [PATCH V2 13/13] perf intel-pt: Add support for text poke events Adrian Hunter
2020-02-24 13:50 ` [PATCH V2 00/13] perf/x86: Add perf " Adrian Hunter
2020-02-24 14:03 ` Jiri Olsa [this message]
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