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drm/xe/multi_queue: Add trace event for the multi queue timestamp

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Add a trace event for multi queue timestamp capture.

Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Link: https://patch.msgid.link/20260507162016.3888309-22-umesh.nerlige.ramappa@intel.com
This commit is contained in:
Umesh Nerlige Ramappa 2026-05-07 09:20:26 -07:00
parent bccf190ea7
commit 1f30396de0
2 changed files with 29 additions and 0 deletions
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2
drivers/gpu/drm/xe/xe_lrc.c
View File

@ -2712,6 +2712,8 @@ static u64 xe_lrc_update_multi_queue_timestamp(struct xe_lrc *lrc, u64 *old_ts)
*old_ts = lrc->queue_timestamp;
lrc->queue_timestamp = xe_lrc_multi_queue_timestamp(lrc);
trace_xe_lrc_update_queue_timestamp(lrc, *old_ts);
return lrc->queue_timestamp;
}

27
drivers/gpu/drm/xe/xe_trace_lrc.h
View File

@ -12,6 +12,7 @@
#include <linux/tracepoint.h>
#include <linux/types.h>
#include "xe_exec_queue_types.h"
#include "xe_gt_types.h"
#include "xe_lrc.h"
#include "xe_lrc_types.h"
@ -42,6 +43,32 @@ TRACE_EVENT(xe_lrc_update_timestamp,
__get_str(device_id))
);
TRACE_EVENT(xe_lrc_update_queue_timestamp,
TP_PROTO(struct xe_lrc *lrc, uint64_t old),
TP_ARGS(lrc, old),
TP_STRUCT__entry(
__field(struct xe_lrc *, lrc)
__field(struct xe_lrc *, primary_lrc)
__field(u64, old)
__field(u64, new)
__string(name, lrc->fence_ctx.name)
__string(device_id, __dev_name_lrc(lrc))
),
TP_fast_assign(
__entry->lrc = lrc;
__entry->primary_lrc = lrc->multi_queue.primary_lrc;
__entry->old = old;
__entry->new = lrc->queue_timestamp;
__assign_str(name);
__assign_str(device_id);
),
TP_printk("lrc=%p primary_lrc=%p lrc->name=%s old=%llu new=%llu device_id:%s",
__entry->lrc, __entry->primary_lrc, __get_str(name),
__entry->old, __entry->new,
__get_str(device_id))
);
#endif
/* This part must be outside protection */