drm: add vblank event trace point (ac2874b9) · Commits · 戴 / test

drivers/gpu/drm/Makefile

+4 −1

Original line number	Diff line number	Diff line
		@@ -11,7 +11,8 @@ drm-y := drm_auth.o drm_buffer.o drm_bufs.o drm_cache.o \
		drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \
		drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \
		drm_crtc.o drm_modes.o drm_edid.o \
		drm_info.o drm_debugfs.o drm_encoder_slave.o
		drm_info.o drm_debugfs.o drm_encoder_slave.o \
		drm_trace_points.o

		drm-$(CONFIG_COMPAT) += drm_ioc32.o

		@@ -19,6 +20,8 @@ drm_kms_helper-y := drm_fb_helper.o drm_crtc_helper.o drm_dp_i2c_helper.o

		obj-$(CONFIG_DRM_KMS_HELPER) += drm_kms_helper.o

		CFLAGS_drm_trace_points.o := -I$(src)

		obj-$(CONFIG_DRM) += drm.o
		obj-$(CONFIG_DRM_TTM) += ttm/
		obj-$(CONFIG_DRM_TDFX) += tdfx/

+3 −0

Original line number	Diff line number	Diff line
		@@ -34,6 +34,7 @@
		*/

		#include "drmP.h"
		#include "drm_trace.h"

		#include <linux/interrupt.h> /* For task queue support */
		#include <linux/slab.h>
		@@ -754,6 +755,8 @@ void drm_handle_vblank_events(struct drm_device *dev, int crtc)
		}

		spin_unlock_irqrestore(&dev->event_lock, flags);

		trace_drm_vblank_event(crtc, seq);
		}

		/**

0 → 100644

+37 −0

Original line number	Diff line number	Diff line
		#if !defined(_DRM_TRACE_H_) \|\| defined(TRACE_HEADER_MULTI_READ)
		#define _DRM_TRACE_H_

		#include <linux/stringify.h>
		#include <linux/types.h>
		#include <linux/tracepoint.h>

		#undef TRACE_SYSTEM
		#define TRACE_SYSTEM drm
		#define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM)
		#define TRACE_INCLUDE_FILE drm_trace

		TRACE_EVENT(drm_vblank_event,

		TP_PROTO(int crtc, unsigned int seq),

		TP_ARGS(crtc, seq),

		TP_STRUCT__entry(
		__field(int, crtc)
		__field(unsigned int, seq)
		),

		TP_fast_assign(
		__entry->crtc = crtc;
		__entry->seq = seq;
		),

		TP_printk("crtc=%d, seq=%d", __entry->crtc, __entry->seq)
		);

		#endif /* _DRM_TRACE_H_ */

		/* This part must be outside protection */
		#undef TRACE_INCLUDE_PATH
		#define TRACE_INCLUDE_PATH .
		#include <trace/define_trace.h>

0 → 100644

+4 −0