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drm/xe: Add timestamp_ms to LRC snapshot

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Add a timestamp in milliseconds to the LRC snapshot to make it easier to
reason about how long the LRC has been running and the average duration
of each job.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Link: https://patch.msgid.link/20260507162016.3888309-15-umesh.nerlige.ramappa@intel.com
This commit is contained in:
Matthew Brost 2026-05-07 09:20:19 -07:00 committed by Umesh Nerlige Ramappa
parent 404734f1fe
commit e98cf36bf5
2 changed files with 5 additions and 0 deletions
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4
drivers/gpu/drm/xe/xe_lrc.c
View File

@ -23,6 +23,7 @@
#include "xe_drm_client.h"
#include "xe_exec_queue_types.h"
#include "xe_gt.h"
#include "xe_gt_clock.h"
#include "xe_gt_printk.h"
#include "xe_hw_fence.h"
#include "xe_map.h"
@ -2463,6 +2464,8 @@ struct xe_lrc_snapshot *xe_lrc_snapshot_capture(struct xe_lrc *lrc)
snapshot->replay_size = lrc->replay_size;
snapshot->lrc_snapshot = NULL;
snapshot->ctx_timestamp = xe_lrc_ctx_timestamp(lrc);
snapshot->ctx_timestamp_ms =
xe_gt_clock_interval_to_ms(lrc->gt, xe_lrc_ctx_timestamp(lrc));
snapshot->ctx_job_timestamp = xe_lrc_ctx_job_timestamp(lrc);
return snapshot;
}
@ -2516,6 +2519,7 @@ void xe_lrc_snapshot_print(struct xe_lrc_snapshot *snapshot, struct drm_printer
drm_printf(p, "\tStart seqno: (memory) %d\n", snapshot->start_seqno);
drm_printf(p, "\tSeqno: (memory) %d\n", snapshot->seqno);
drm_printf(p, "\tTimestamp: 0x%016llx\n", snapshot->ctx_timestamp);
drm_printf(p, "\tTimestamp ms: %llu\n", snapshot->ctx_timestamp_ms);
drm_printf(p, "\tJob Timestamp: 0x%08x\n", snapshot->ctx_job_timestamp);
if (!snapshot->lrc_snapshot)

1
drivers/gpu/drm/xe/xe_lrc.h
View File

@ -38,6 +38,7 @@ struct xe_lrc_snapshot {
u32 start_seqno;
u32 seqno;
u64 ctx_timestamp;
u64 ctx_timestamp_ms;
u32 ctx_job_timestamp;
};