From: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
These tracepoints are useful for observing the creation and
destruction of Full PPGTTs.
Signed-off-by: Oscar Mateo <oscar.mateo@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_context.c | 5 +++++
drivers/gpu/drm/i915/i915_trace.h | 38 +++++++++++++++++++++++++++++++++
2 files changed, 43 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 5a62a19..bdfe3f5 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -136,6 +136,8 @@ static void ppgtt_release(struct kref *kref)
struct i915_hw_ppgtt *ppgtt =
container_of(kref, struct i915_hw_ppgtt, ref);
+ trace_ppgtt_release(ppgtt);
+
do_ppgtt_cleanup(ppgtt);
kfree(ppgtt);
}
@@ -215,6 +217,9 @@ create_vm_for_ctx(struct drm_device *dev, struct intel_context *ctx)
}
ppgtt->ctx = ctx;
+
+ trace_ppgtt_init(ppgtt);
+
return ppgtt;
}
diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h
index f5aa006..2d206d8 100644
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -587,6 +587,44 @@ TRACE_EVENT(intel_gpu_freq_change,
TP_printk("new_freq=%u", __entry->freq)
);
+TRACE_EVENT(ppgtt_init,
+
+ TP_PROTO(struct i915_hw_ppgtt *ppgtt),
+
+ TP_ARGS(ppgtt),
+
+ TP_STRUCT__entry(
+ __field(struct i915_hw_ppgtt*, trace_ppgtt)
+ __field(unsigned int, ppgtt_op_code)
+ ),
+
+ TP_fast_assign(
+ __entry->trace_ppgtt = ppgtt;
+ __entry->ppgtt_op_code = 0;
+ ),
+
+ TP_printk("ppgtt op: %u", __entry->ppgtt_op_code)
+);
+
+TRACE_EVENT(ppgtt_release,
+
+ TP_PROTO(struct i915_hw_ppgtt *ppgtt),
+
+ TP_ARGS(ppgtt),
+
+ TP_STRUCT__entry(
+ __field(struct i915_hw_ppgtt*, trace_ppgtt)
+ __field(unsigned int, ppgtt_op_code)
+ ),
+
+ TP_fast_assign(
+ __entry->trace_ppgtt = ppgtt;
+ __entry->ppgtt_op_code = 1;
+ ),
+
+ TP_printk("ppgtt op: %u", __entry->ppgtt_op_code)
+);
+
#endif /* _I915_TRACE_H_ */
/* This part must be outside protection */
--
1.9.0
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