From: Eric Anholt <eric@anholt.net>
To: David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
dri-devel@lists.freedesktop.org
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Subject: Re: [PATCH v3] drm/vc4: Expose performance counters to userspace
Date: Sun, 11 Feb 2018 10:07:28 +0000 [thread overview]
Message-ID: <87a7wfsuu7.fsf@anholt.net> (raw)
In-Reply-To: <20180112090926.12538-1-boris.brezillon@free-electrons.com>
[-- Attachment #1.1: Type: text/plain, Size: 747 bytes --]
Boris Brezillon <boris.brezillon@free-electrons.com> writes:
> The V3D engine has various hardware counters which might be interesting
> to userspace performance analysis tools.
>
> Expose new ioctls to create/destroy a performance monitor object and
> query the counter values of this perfmance monitor.
>
> Note that a perfomance monitor is given an ID that is only valid on the
> file descriptor it has been allocated from. A performance monitor can be
> attached to a CL submission and the driver will enable HW counters for
> this request and update the performance monitor values at the end of the
> job.
>
> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
> Reviewed-by: Eric Anholt <eric@anholt.net>
Pushed. Thanks!
[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 832 bytes --]
[-- Attachment #2: Type: text/plain, Size: 160 bytes --]
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
prev parent reply other threads:[~2018-02-11 10:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-12 9:09 [PATCH v3] drm/vc4: Expose performance counters to userspace Boris Brezillon
2018-02-11 10:07 ` Eric Anholt [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87a7wfsuu7.fsf@anholt.net \
--to=eric@anholt.net \
--cc=airlied@linux.ie \
--cc=boris.brezillon@free-electrons.com \
--cc=daniel@ffwll.ch \
--cc=dri-devel@lists.freedesktop.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox