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drm/i915: Refine tracepoints

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A lot of minor tweaks to fix the tracepoints, improve the outputting for
ftrace, and to generally make the tracepoints useful again. It is a start
and enough to begin identifying performance issues and gaps in our
coverage.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson
2011-02-03 11:57:46 +00:00
parent d9bc7e9f32
commit db53a30261
11 changed files with 340 additions and 369 deletions
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7
drivers/gpu/drm/i915/intel_ringbuffer.h
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@@ -58,6 +58,7 @@ struct intel_ring_buffer {
u32 irq_refcount;
u32 irq_mask;
u32 irq_seqno; /* last seq seem at irq time */
u32 trace_irq_seqno;
u32 waiting_seqno;
u32 sync_seqno[I915_NUM_RINGS-1];
bool __must_check (*irq_get)(struct intel_ring_buffer *ring);
@@ -186,6 +187,12 @@ int intel_init_blt_ring_buffer(struct drm_device *dev);
u32 intel_ring_get_active_head(struct intel_ring_buffer *ring);
void intel_ring_setup_status_page(struct intel_ring_buffer *ring);
static inline void i915_trace_irq_get(struct intel_ring_buffer *ring, u32 seqno)
{
if (ring->trace_irq_seqno == 0 && ring->irq_get(ring))
ring->trace_irq_seqno = seqno;
}
/* DRI warts */
int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size);