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drm/i915: Add frontbuffer tracking tracepoints

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Add some tracpoints for frontbuffer tracking so we can
try to figure out what's going on.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210414022309.30898-2-ville.syrjala@linux.intel.com
Acked-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2021-04-14 05:23:02 +03:00
parent b109da48e6
commit 1a86ac792f
2 changed files with 43 additions and 0 deletions
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5
drivers/gpu/drm/i915/display/intel_frontbuffer.c
View File

@ -58,6 +58,7 @@
#include "display/intel_dp.h"
#include "i915_drv.h"
#include "i915_trace.h"
#include "intel_display_types.h"
#include "intel_fbc.h"
#include "intel_frontbuffer.h"
@ -87,6 +88,8 @@ static void frontbuffer_flush(struct drm_i915_private *i915,
if (!frontbuffer_bits)
return;
trace_intel_frontbuffer_flush(frontbuffer_bits, origin);
might_sleep();
intel_edp_drrs_flush(i915, frontbuffer_bits);
intel_psr_flush(i915, frontbuffer_bits, origin);
@ -173,6 +176,8 @@ void __intel_fb_invalidate(struct intel_frontbuffer *front,
spin_unlock(&i915->fb_tracking.lock);
}
trace_intel_frontbuffer_invalidate(frontbuffer_bits, origin);
might_sleep();
intel_psr_invalidate(i915, frontbuffer_bits, origin);
intel_edp_drrs_invalidate(i915, frontbuffer_bits);

38
drivers/gpu/drm/i915/i915_trace.h
View File

@ -475,6 +475,44 @@ TRACE_EVENT(intel_pipe_update_end,
__entry->scanline)
);
/* frontbuffer tracking */
TRACE_EVENT(intel_frontbuffer_invalidate,
TP_PROTO(unsigned int frontbuffer_bits, unsigned int origin),
TP_ARGS(frontbuffer_bits, origin),
TP_STRUCT__entry(
__field(unsigned int, frontbuffer_bits)
__field(unsigned int, origin)
),
TP_fast_assign(
__entry->frontbuffer_bits = frontbuffer_bits;
__entry->origin = origin;
),
TP_printk("frontbuffer_bits=0x%08x, origin=%u",
__entry->frontbuffer_bits, __entry->origin)
);
TRACE_EVENT(intel_frontbuffer_flush,
TP_PROTO(unsigned int frontbuffer_bits, unsigned int origin),
TP_ARGS(frontbuffer_bits, origin),
TP_STRUCT__entry(
__field(unsigned int, frontbuffer_bits)
__field(unsigned int, origin)
),
TP_fast_assign(
__entry->frontbuffer_bits = frontbuffer_bits;
__entry->origin = origin;
),
TP_printk("frontbuffer_bits=0x%08x, origin=%u",
__entry->frontbuffer_bits, __entry->origin)
);
/* object tracking */
TRACE_EVENT(i915_gem_object_create,