Re: [PATCH] ftrace: Don't use tracing_record_cmdline() in workqueue tracer
From: KOSAKI Motohiro
Date: Tue Mar 10 2009 - 08:19:00 EST
>> Doh!
>> My last mail's cc list didn't include lkml. that's unintensional silly
>> my mistake. very sorry.
>>
>> and Yes, memcpy(buf, task->comm, 16) mean two movq
>> instruction. that is worthless for caching. I think we can
>> remove this cache completely.
>
> ok, agreed - mind sending a patch for that?
ok, I'll do that.
>> and, I find my last patch has one race window. fixing below.
>
> Could you please send a delta patch against tip:master? Thanks,
maybe, I can send it tommorow.
thanks.
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