drm/i915: trace vm eviction instead of everything

Tracing vm eviction is really the event we care about. For the cases we
evict everything, we still will get the trace.

v2: Add the drm device to the trace since we might not be the only
device in the system. (Chris)

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index 3a3981e..b737653 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -175,6 +175,8 @@ int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle)
        struct i915_vma *vma, *next;
        int ret;
 
+       trace_i915_gem_evict_vm(vm);
+
        if (do_idle) {
                ret = i915_gpu_idle(vm->dev);
                if (ret)

diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h
index e2c5ee6..403309b 100644 (file)
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -233,6 +233,21 @@ TRACE_EVENT(i915_gem_evict_everything,
            TP_printk("dev=%d", __entry->dev)
 );
 
+TRACE_EVENT(i915_gem_evict_vm,
+           TP_PROTO(struct i915_address_space *vm),
+           TP_ARGS(vm),
+
+           TP_STRUCT__entry(
+                            __field(struct i915_address_space *, vm)
+                           ),
+
+           TP_fast_assign(
+                          __entry->vm = vm;
+                         ),
+
+           TP_printk("dev=%d, vm=%p", __entry->vm->dev->primary->index, __entry->vm)
+);
+
 TRACE_EVENT(i915_gem_ring_dispatch,
            TP_PROTO(struct intel_ring_buffer *ring, u32 seqno, u32 flags),
            TP_ARGS(ring, seqno, flags),