2011/3/26 David Ahern <[email protected]>:
> On 03/26/11 06:31, zhao bao wrote:
>>> It's used to trace kernel space page faults, not for userspace code.
>>>
>>> Lin Ming
>>>
>>
>> From the ouput of "perf report" command, I think perf can record the
>> page faults from userspace code.
>>
>> [root@localhost lab]# perf record -R -c 1 -d -e faults ./hello
>> hello,world
>
> '-e faults' is a software event. perf-trace does not handle S/W events.
> perf-trace has been renamed to perf-script, and perf-script recently
> gained the ability to dump S/W events:
>
> https://lkml.org/lkml/2011/3/10/3
>
> David
>
Thanks. How can I apply your patch? May I need upgrade to 2.6.38?
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