linux-kernel - Re: [PATCH 0/3] tool lib traceevent: Fix some parsing errors

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Message-ID: <656DB3D9-6D76-4103-B05B-8E4FE142C3B9@gmail.com>
Date:   Wed, 17 Jun 2020 19:55:29 -0300
From:   Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
To:     Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org,
        linux-trace-devel@...r.kernel.org
CC:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        Jaewon Kim <jaewon31.kim@...sung.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH 0/3] tool lib traceevent: Fix some parsing errors



On June 17, 2020 6:28:04 PM GMT-03:00, Steven Rostedt <rostedt@...dmis.org> wrote:
>Hi Arnaldo,
>
>I guess these patches were missed.

I'll pick those tomorrow,

Thanks for the reminder,


- Arnaldo

>
>-- Steve
>
>
>On Tue, 24 Mar 2020 16:08:45 -0400
>Steven Rostedt <rostedt@...dmis.org> wrote:
>
>> Arnaldo,
>> 
>> Here's a few patches for lib traceevent.
>> 
>> The first one adds an "append()" helper function for appending to
>strings,
>> which will also simplify the next patch.
>> 
>> The second patch handles "__attribute__((user))" in the field of a
>> trace event. This is needed after the stack leak code added this
>> to parameters of system call events.
>> 
>> The last patch adds handling of __builtin_expect(), as someone wanted
>> to move IS_ERR_VALUE() from the fast path into the print fmt section,
>> which breaks the parsing. This should also be useful for other macros
>> that may evaluate down to a __builtin_expect().
>> 
>> Steven Rostedt (VMware) (3):
>>       tools lib traceevent: Add append() function helper for
>appending strings
>>       tools lib traceevent: Handle __attribute__((user)) in field
>names
>>       tools lib traceevent: Add handler for __builtin_expect()
>> 
>> ----
>>  tools/lib/traceevent/event-parse.c | 168
>++++++++++++++++++++++++-------------
>>  1 file changed, 111 insertions(+), 57 deletions(-)

-- 
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