linux-kernel - Re: [PATCH 3/3] tracing/mm: Don't trace mm_page_pcpu

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Message-ID: <CAM4v1pM_92Lqkw+1H7JQHCHmzDeH9Kj_HeyqpZXZnnDd+PFC2A@mail.gmail.com>
Date:	Thu, 30 Apr 2015 10:06:05 +0530
From:	Preeti Murthy <preeti.lkml@...il.com>
To:	Shreyas B Prabhu <shreyas@...ux.vnet.ibm.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...hat.com>,
	aneesh.kumar@...ux.vnet.ibm.com,
	Preeti U Murthy <preeti@...ux.vnet.ibm.com>
Subject: Re: [PATCH 3/3] tracing/mm: Don't trace mm_page_pcpu_drain on offline cpus

On Wed, Apr 29, 2015 at 10:49 PM, Shreyas B Prabhu
<shreyas@...ux.vnet.ibm.com> wrote:
>
>
> On Wednesday 29 April 2015 10:38 PM, Steven Rostedt wrote:
>>> I am not sure if its worth the effort now. It doesn't look like any
>>> other trace point apart from the above use case will benefit from it.
>>> Only smbus_write and smbus_reply seem to come close. But even they need
>>> separate TP_fast_assign.
>>
>> It shouldn't be a problem to implement. But I'm currently cleaning up
>> those files, and any changes will cause nasty conflicts.
>>
>> Lets do this. Push the current changes as is, and when I get around to
>> adding a DEFINE_EVENT_PRINT_CONDITION(), we can modify that code to use
>> it.
>>
> Okay, sure.

Looks good then.

Reviewed-by: Preeti U Murthy <preeti@...ux.vnet.ibm.com>
>
> Thanks,
> Shreyas
>
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