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| author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2017-02-21 11:03:00 +0000 |
|---|---|---|
| committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2017-02-21 13:18:25 +0000 |
| commit | d7d96833f277827871f9103def3552fec79cf012 (patch) | |
| tree | d53b7e37cf9ec6e33d1d0e9191bf2c81d36e2630 /drivers/gpu/drm/i915/i915_guc_submission.c | |
| parent | dffabc8f4ee3fce98821bc212bf3c5e31247e2b9 (diff) | |
| download | talos-obmc-linux-d7d96833f277827871f9103def3552fec79cf012.tar.gz talos-obmc-linux-d7d96833f277827871f9103def3552fec79cf012.zip | |
drm/i915/tracepoints: Add backend level request in and out tracepoints
Two new tracepoints placed at the call sites where requests are
actually passed to the GPU enable userspace to track engine
utilisation.
These tracepoints are only enabled when the
DRM_I915_LOW_LEVEL_TRACEPOINTS Kconfig option is enabled.
v2: Fix compilation with !CONFIG_DRM_I915_LOW_LEVEL_TRACEPOINTS.
v3: Name global seqno consistently across tracepoints.
v4: Remove port info from request out tracepoint. (Chris Wilson)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_guc_submission.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_guc_submission.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c index 8ced9e26f075..beec88a30347 100644 --- a/drivers/gpu/drm/i915/i915_guc_submission.c +++ b/drivers/gpu/drm/i915/i915_guc_submission.c @@ -518,6 +518,8 @@ static void __i915_guc_submit(struct drm_i915_gem_request *rq) if (i915_vma_is_map_and_fenceable(rq->ring->vma)) POSTING_READ_FW(GUC_STATUS); + trace_i915_gem_request_in(rq, 0); + b_ret = guc_ring_doorbell(client); client->submissions[engine_id] += 1; |
