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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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58
drivers/gpu/drm/i915/i915_gem_execbuffer.c
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@@ -282,21 +282,6 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
target_offset = to_intel_bo(target_obj)->gtt_offset;
#if WATCH_RELOC
DRM_INFO("%s: obj %p offset %08x target %d "
"read %08x write %08x gtt %08x "
"presumed %08x delta %08x\n",
__func__,
obj,
(int) reloc->offset,
(int) reloc->target_handle,
(int) reloc->read_domains,
(int) reloc->write_domain,
(int) target_offset,
(int) reloc->presumed_offset,
reloc->delta);
#endif
/* The target buffer should have appeared before us in the
* exec_object list, so it should have a GTT space bound by now.
*/
@@ -747,8 +732,7 @@ i915_gem_execbuffer_flush(struct drm_device *dev,
if ((flush_domains | invalidate_domains) & I915_GEM_GPU_DOMAINS) {
for (i = 0; i < I915_NUM_RINGS; i++)
if (flush_rings & (1 << i)) {
ret = i915_gem_flush_ring(dev,
&dev_priv->ring[i],
ret = i915_gem_flush_ring(&dev_priv->ring[i],
invalidate_domains,
flush_domains);
if (ret)
@@ -787,7 +771,7 @@ i915_gem_execbuffer_sync_rings(struct drm_i915_gem_object *obj,
if (request == NULL)
return -ENOMEM;
ret = i915_add_request(obj->base.dev, NULL, request, from);
ret = i915_add_request(from, NULL, request);
if (ret) {
kfree(request);
return ret;
@@ -815,12 +799,6 @@ i915_gem_execbuffer_move_to_gpu(struct intel_ring_buffer *ring,
i915_gem_object_set_to_gpu_domain(obj, ring, &cd);
if (cd.invalidate_domains | cd.flush_domains) {
#if WATCH_EXEC
DRM_INFO("%s: invalidate_domains %08x flush_domains %08x\n",
__func__,
cd.invalidate_domains,
cd.flush_domains);
#endif
ret = i915_gem_execbuffer_flush(ring->dev,
cd.invalidate_domains,
cd.flush_domains,
@@ -924,6 +902,10 @@ i915_gem_execbuffer_move_to_active(struct list_head *objects,
struct drm_i915_gem_object *obj;
list_for_each_entry(obj, objects, exec_list) {
u32 old_read = obj->base.read_domains;
u32 old_write = obj->base.write_domain;
obj->base.read_domains = obj->base.pending_read_domains;
obj->base.write_domain = obj->base.pending_write_domain;
obj->fenced_gpu_access = obj->pending_fenced_gpu_access;
@@ -937,9 +919,7 @@ i915_gem_execbuffer_move_to_active(struct list_head *objects,
intel_mark_busy(ring->dev, obj);
}
trace_i915_gem_object_change_domain(obj,
obj->base.read_domains,
obj->base.write_domain);
trace_i915_gem_object_change_domain(obj, old_read, old_write);
}
}
@@ -961,14 +941,14 @@ i915_gem_execbuffer_retire_commands(struct drm_device *dev,
if (INTEL_INFO(dev)->gen >= 4)
invalidate |= I915_GEM_DOMAIN_SAMPLER;
if (ring->flush(ring, invalidate, 0)) {
i915_gem_next_request_seqno(dev, ring);
i915_gem_next_request_seqno(ring);
return;
}
/* Add a breadcrumb for the completion of the batch buffer */
request = kzalloc(sizeof(*request), GFP_KERNEL);
if (request == NULL || i915_add_request(dev, file, request, ring)) {
i915_gem_next_request_seqno(dev, ring);
if (request == NULL || i915_add_request(ring, file, request)) {
i915_gem_next_request_seqno(ring);
kfree(request);
}
}
@@ -998,10 +978,6 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
if (ret)
return ret;
#if WATCH_EXEC
DRM_INFO("buffers_ptr %d buffer_count %d len %08x\n",
(int) args->buffers_ptr, args->buffer_count, args->batch_len);
#endif
switch (args->flags & I915_EXEC_RING_MASK) {
case I915_EXEC_DEFAULT:
case I915_EXEC_RENDER:
@@ -1172,7 +1148,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
if (ret)
goto err;
seqno = i915_gem_next_request_seqno(dev, ring);
seqno = i915_gem_next_request_seqno(ring);
for (i = 0; i < ARRAY_SIZE(ring->sync_seqno); i++) {
if (seqno < ring->sync_seqno[i]) {
/* The GPU can not handle its semaphore value wrapping,
@@ -1187,6 +1163,8 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
}
}
trace_i915_gem_ring_dispatch(ring, seqno);
exec_start = batch_obj->gtt_offset + args->batch_start_offset;
exec_len = args->batch_len;
if (cliprects) {
@@ -1243,11 +1221,6 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
struct drm_i915_gem_exec_object2 *exec2_list = NULL;
int ret, i;
#if WATCH_EXEC
DRM_INFO("buffers_ptr %d buffer_count %d len %08x\n",
(int) args->buffers_ptr, args->buffer_count, args->batch_len);
#endif
if (args->buffer_count < 1) {
DRM_ERROR("execbuf with %d buffers\n", args->buffer_count);
return -EINVAL;
@@ -1328,11 +1301,6 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
struct drm_i915_gem_exec_object2 *exec2_list = NULL;
int ret;
#if WATCH_EXEC
DRM_INFO("buffers_ptr %d buffer_count %d len %08x\n",
(int) args->buffers_ptr, args->buffer_count, args->batch_len);
#endif
if (args->buffer_count < 1) {
DRM_ERROR("execbuf2 with %d buffers\n", args->buffer_count);
return -EINVAL;