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| author | Chris Wilson <[email protected]> | 2020-02-11 20:56:14 +0000 |
|---|---|---|
| committer | Chris Wilson <[email protected]> | 2020-02-12 10:07:13 +0000 |
| commit | 89dd019a8a99e1a08c9c724dc2831c2ec3c050a3 (patch) | |
| tree | afd35d94fddbc577da12ab6378be1eb9d11d220b /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | 42fb60de3129ef998bb18266ee06530669021e55 (diff) | |
drm/i915: Poison rings after use
On retiring the request, we should not re-use these elements in the ring
(at least not until we fill the ringbuffer and knowingly reuse the space).
Leave behind some poison to (hopefully) trap ourselves if we make a
mistake.
Suggested-by: Mika Kuoppala <[email protected]>
Signed-off-by: Chris Wilson <[email protected]>
Cc: Mika Kuoppala <[email protected]>
Reviewed-by: Mika Kuoppala <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
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