[PATCH v2 7/9] drm/xe/multi_queue: Add trace event for the multi queue timestamp

[Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>]

Add a trace event for multi queue timestamp capture.

Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
---
v2:
- Split traces from original patch (Stuart)
- Print primary lrc in the trace (Niranjana)
---
 drivers/gpu/drm/xe/xe_lrc.c       |  2 ++
 drivers/gpu/drm/xe/xe_trace_lrc.h | 27 +++++++++++++++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c
index 023202be5d52..6bd93803cb7f 100644
--- a/drivers/gpu/drm/xe/xe_lrc.c
+++ b/drivers/gpu/drm/xe/xe_lrc.c
@@ -2711,6 +2711,8 @@ 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;
 }
 
diff --git a/drivers/gpu/drm/xe/xe_trace_lrc.h b/drivers/gpu/drm/xe/xe_trace_lrc.h
index d525cbee1e34..fdc77102fa77 100644
--- a/drivers/gpu/drm/xe/xe_trace_lrc.h
+++ b/drivers/gpu/drm/xe/xe_trace_lrc.h
@@ -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(u8, pos)
+                    __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->multi_queue.primary_lrc;
+                  __entry->pos = lrc->multi_queue.pos;
+                  __entry->old = old;
+                  __entry->new = lrc->queue_timestamp;
+                  __assign_str(name);
+                  __assign_str(device_id);
+                  ),
+           TP_printk("lrc=:%p pos=%d lrc->name=%s old=%llu new=%llu device_id:%s",
+                     __entry->lrc, __entry->pos, __get_str(name),
+                     __entry->old, __entry->new,
+                     __get_str(device_id))
+);
+
 #endif
 
 /* This part must be outside protection */
-- 
2.43.0