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From: Peter Zijlstra <peterz@infradead.org>
To: Adrian Hunter <adrian.hunter@intel.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>,
	Ingo Molnar <mingo@redhat.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	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>,
	Jiri Olsa <jolsa@redhat.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH V5 05/13] perf/x86: Add perf text poke events for kprobes
Date: Wed, 1 Apr 2020 12:13:31 +0200	[thread overview]
Message-ID: <20200401101331.GZ20713@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <8eb2a113-f90d-856d-8e14-509d690a2989@intel.com>

On Fri, Mar 27, 2020 at 10:36:09AM +0200, Adrian Hunter wrote:
> Add perf text poke events for kprobes. That includes:
> 
>  - the replaced instruction(s) which are executed out-of-line
>    i.e. arch_copy_kprobe() and arch_remove_kprobe()
> 
>  - optimised kprobe function
>    i.e. arch_prepare_optimized_kprobe() and
>       __arch_remove_optimized_kprobe()
> 
>  - optimised kprobe
>    i.e. arch_optimize_kprobes() and arch_unoptimize_kprobe()
> 
> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>

Looks good, but we had these nice graphs illustrating how the various
events connect, I'm thinking that would be nice to have in the
Changelog, perhaps even in a document somewhere.

These are after all 8 events here that all interplay.


  parent reply	other threads:[~2020-04-01 10:13 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-04  9:06 [PATCH V4 00/13] perf/x86: Add perf text poke events Adrian Hunter
2020-03-04  9:06 ` [PATCH V4 01/13] perf: Add perf text poke event Adrian Hunter
2020-03-04  9:06 ` [PATCH V4 02/13] perf/x86: Add support for perf text poke event for text_poke_bp_batch() callers Adrian Hunter
2020-03-04  9:06 ` [PATCH V4 03/13] kprobes: Add symbols for kprobe insn pages Adrian Hunter
2020-03-05  5:58   ` Masami Hiramatsu
2020-03-05  6:10     ` Alexei Starovoitov
2020-03-05  9:04       ` Masami Hiramatsu
2020-03-24 12:31   ` Peter Zijlstra
2020-03-24 12:54     ` Adrian Hunter
2020-03-04  9:06 ` [PATCH V4 04/13] kprobes: Add perf ksymbol events " Adrian Hunter
2020-03-04  9:06 ` [PATCH V4 05/13] perf/x86: Add perf text poke events for kprobes Adrian Hunter
2020-03-24 12:21   ` Peter Zijlstra
2020-03-26  1:58     ` Masami Hiramatsu
2020-03-26  7:42       ` Adrian Hunter
2020-03-27  8:36         ` [PATCH V5 " Adrian Hunter
2020-03-31 23:44           ` Masami Hiramatsu
2020-04-01 10:13           ` Peter Zijlstra [this message]
2020-03-04  9:06 ` [PATCH V4 06/13] ftrace: Add symbols for ftrace trampolines Adrian Hunter
2020-03-04  9:06 ` [PATCH V4 07/13] ftrace: Add perf ksymbol events " Adrian Hunter
2020-03-04  9:06 ` [PATCH V4 08/13] ftrace: Add perf text poke " Adrian Hunter
2020-04-01 10:09   ` Peter Zijlstra
2020-04-01 10:42     ` Adrian Hunter
2020-04-01 11:14       ` Peter Zijlstra
2020-03-04  9:06 ` [PATCH V4 09/13] perf kcore_copy: Fix module map when there are no modules loaded Adrian Hunter
2020-03-04  9:06 ` [PATCH V4 10/13] perf evlist: Disable 'immediate' events last Adrian Hunter
2020-03-04  9:06 ` [PATCH V4 11/13] perf tools: Add support for PERF_RECORD_TEXT_POKE Adrian Hunter
2020-03-04  9:06 ` [PATCH V4 12/13] perf tools: Add support for PERF_RECORD_KSYMBOL_TYPE_OOL Adrian Hunter
2020-03-04  9:06 ` [PATCH V4 13/13] perf intel-pt: Add support for text poke events Adrian Hunter
2020-03-16  7:07 ` [PATCH V4 00/13] perf/x86: Add perf " Adrian Hunter
2020-03-24  9:29   ` Adrian Hunter

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