From: "Christian König" <ckoenig.leichtzumerken@gmail.com>
To: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org, daniel.vetter@ffwll.ch,
Dave Airlie <airlied@gmail.com>
Cc: Shashank.Sharma@amd.com, alexander.deucher@amd.com
Subject: Re: RFC: How to adjust the trace pid?
Date: Wed, 12 Aug 2020 15:42:11 +0200 [thread overview]
Message-ID: <1975d7d1-8f94-5852-6ccc-19fde4d4a919@gmail.com> (raw)
In-Reply-To: <20200807133658.1866-1-christian.koenig@amd.com>
Ping? Daniel, Dave any opinion on this?
Christian.
Am 07.08.20 um 15:36 schrieb Christian König:
> Hi everybody,
>
> in amdgpu we got the following issue which I'm seeking advise how to cleanly handle it.
>
> We have a bunch of trace points which are related to the VM subsystem and executed in either a work item, kthread or foreign process context.
>
> Now tracing the pid of the context which we are executing in is not really that useful, so I'm wondering if we could just overwrite the pid recorded in the trace entry?
>
> The following patch does exactly that for the vm_grab_id() trace point, but I'm not 100% sure if that is legal or not.
>
> Any ideas? Comments?
>
> Thanks,
> Christian.
>
>
next prev parent reply other threads:[~2020-08-12 13:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-07 13:36 Christian König
2020-08-07 13:36 ` [PATCH] drm/amdgpu: adjust the pid in the grab_id trace point Christian König
2020-08-12 14:17 ` Steven Rostedt
2020-08-12 14:36 ` Christian König
2020-08-12 15:19 ` Steven Rostedt
2020-08-12 15:33 ` Christian König
2020-08-12 13:42 ` Christian König [this message]
2020-08-12 13:49 ` RFC: How to adjust the trace pid? Daniel Vetter
2020-08-12 14:06 ` Christian König
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