linux-kernel - Re: [PATCH v2] perf tool: Provide an option to print perf_event

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Date:   Tue, 12 Nov 2019 19:30:06 +0530
From:   Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
To:     Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
Cc:     Jiri Olsa <jolsa@...hat.com>, linux-kernel@...r.kernel.org,
        Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
Subject: Re: [PATCH v2] perf tool: Provide an option to print perf_event_open
 args and return value



On 11/12/19 5:07 PM, Arnaldo Carvalho de Melo wrote:
>> [root@...co ~]# perf test -v python
>> 18: 'import perf' in python                               :
>> --- start ---
>> test child forked, pid 19237
>> Traceback (most recent call last):
>>    File "<stdin>", line 1, in <module>
>> ImportError: /tmp/build/perf/python/perf.so: undefined symbol: debug_peo_args
>> test child finished with -1
>> ---- end ----
>> 'import perf' in python: FAILED!
>> [root@...co ~]#
>>
>> Please always test your changes using 'perf test', before and after, to
>> see if some regression is being added. I'm trying to fix this one.
> 
> I added this to fix this issue,

Sorry about that. Missed to run it. Will take care next time onwards.
Thanks for the fix.

-Ravi