Commit a7238ee3 authored by Lucas De Marchi's avatar Lucas De Marchi
Browse files

drm/xe: Add trace to lrc timestamp update 



Help debugging when LRC timestamp is updated for a exec queue.

Reviewed-by: default avatarJonathan Cavitt <jonathan.cavitt@intel.com>
Reviewed-by: default avatarNirmoy Das <nirmoy.das@intel.com>
Reviewed-by: default avatarUmesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241104143815.2112272-2-lucas.demarchi@intel.com


Signed-off-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
parent 43b1dd2b

drivers/gpu/drm/xe/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -101,6 +101,7 @@ xe-y += xe_bb.o \ 
	xe_trace.o \

	xe_trace_bo.o \

	xe_trace_guc.o \

	xe_trace_lrc.o \

	xe_ttm_sys_mgr.o \

	xe_ttm_stolen_mgr.o \

	xe_ttm_vram_mgr.o \

drivers/gpu/drm/xe/xe_lrc.c

+3 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include "xe_map.h"

#include "xe_memirq.h"

#include "xe_sriov.h"

#include "xe_trace_lrc.h"

#include "xe_vm.h"

#include "xe_wa.h"
@@ -1758,5 +1759,7 @@ u32 xe_lrc_update_timestamp(struct xe_lrc *lrc, u32 *old_ts) 


	lrc->ctx_timestamp = xe_lrc_ctx_timestamp(lrc);



	trace_xe_lrc_update_timestamp(lrc, *old_ts);



	return lrc->ctx_timestamp;

}

drivers/gpu/drm/xe/xe_trace_lrc.c

0 → 100644
+9 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright © 2024 Intel Corporation

 */



#ifndef __CHECKER__

#define CREATE_TRACE_POINTS

#include "xe_trace_lrc.h"

#endif

drivers/gpu/drm/xe/xe_trace_lrc.h

0 → 100644
+52 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0-only */

/*

 * Copyright © 2024 Intel Corporation

 */



#undef TRACE_SYSTEM

#define TRACE_SYSTEM xe



#if !defined(_XE_TRACE_LRC_H_) || defined(TRACE_HEADER_MULTI_READ)

#define _XE_TRACE_LRC_H_



#include <linux/tracepoint.h>

#include <linux/types.h>



#include "xe_gt_types.h"

#include "xe_lrc.h"

#include "xe_lrc_types.h"



#define __dev_name_lrc(lrc)	dev_name(gt_to_xe((lrc)->fence_ctx.gt)->drm.dev)



TRACE_EVENT(xe_lrc_update_timestamp,

	    TP_PROTO(struct xe_lrc *lrc, uint32_t old),

	    TP_ARGS(lrc, old),

	    TP_STRUCT__entry(

		     __field(struct xe_lrc *, lrc)

		     __field(u32, old)

		     __field(u32, new)

		     __string(name, lrc->fence_ctx.name)

		     __string(device_id, __dev_name_lrc(lrc))

	    ),



	    TP_fast_assign(

		   __entry->lrc	= lrc;

		   __entry->old = old;

		   __entry->new = lrc->ctx_timestamp;

		   __assign_str(name);

		   __assign_str(device_id);

		   ),

	    TP_printk("lrc=:%p lrc->name=%s old=%u new=%u device_id:%s",

		      __entry->lrc, __get_str(name),

		      __entry->old, __entry->new,

		      __get_str(device_id))

);



#endif



/* This part must be outside protection */

#undef TRACE_INCLUDE_PATH

#undef TRACE_INCLUDE_FILE

#define TRACE_INCLUDE_PATH ../../drivers/gpu/drm/xe

#define TRACE_INCLUDE_FILE xe_trace_lrc

#include <trace/define_trace.h>