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From: Chris Wilson <chris@chris-wilson.co.uk>
To: intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH] drm/i915/selftests: Measure CS_TIMESTAMP
Date: Mon, 18 May 2020 10:18:49 +0100	[thread overview]
Message-ID: <158979352965.17769.6762149584043163933@build.alporthouse.com> (raw)
In-Reply-To: <20200516133102.32167-1-chris@chris-wilson.co.uk>

Quoting Chris Wilson (2020-05-16 14:31:02)
> Count the number of CS_TIMESTAMP ticks and check that it matches our
> expectations.
> 
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>

ilk:
<6> [197.410742] rcs0: TIMESTAMP 0 cycles [0ns] in 1001322ns [12517 cycles], using CS clock frequency of 12500KHz

elk:
<6> [203.278858] rcs0: TIMESTAMP 562036736 cycles [33722163018ns] in 1001366ns [16690 cycles], using CS clock frequency of 16666KHz

Those two do look gibberish.
-Chris
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  reply	other threads:[~2020-05-18  9:19 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-16 13:24 [Intel-gfx] [PATCH] drm/i915/selftests: Measure CS_TIMESTAMP Chris Wilson
2020-05-16 13:31 ` Chris Wilson
2020-05-18  9:18   ` Chris Wilson [this message]
2020-05-19 10:42   ` Ville Syrjälä
2020-05-19 10:46     ` Chris Wilson
2020-05-19 11:47       ` Ville Syrjälä
2020-05-18  8:16 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915/selftests: Measure CS_TIMESTAMP (rev2) Patchwork
2020-05-18  8:39 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2020-05-19 12:36 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915/selftests: Measure CS_TIMESTAMP (rev3) Patchwork
2020-05-19 12:59 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork

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