lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20200401101331.GZ20713@hirez.programming.kicks-ass.net>
Date:   Wed, 1 Apr 2020 12:13:31 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V5 05/13] perf/x86: Add perf text poke events for kprobes

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@...el.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.

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ