[igt-dev] [PATCH i-g-t v3 21/28] tools/i915-perf: make timestamp range easier to compare

Umesh Nerlige Ramappa umesh.nerlige.ramappa at intel.com
Fri Oct 28 19:52:51 UTC 2022


From: Lionel Landwerlin <lionel.g.landwerlin at intel.com>

With timestamp bit shifting stuff, aligning values in the console is
useful to compare them.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa at intel.com>
---
 tools/i915-perf/i915_perf_reader.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/tools/i915-perf/i915_perf_reader.c b/tools/i915-perf/i915_perf_reader.c
index 4a2e3df4..92e43c19 100644
--- a/tools/i915-perf/i915_perf_reader.c
+++ b/tools/i915-perf/i915_perf_reader.c
@@ -235,14 +235,17 @@ main(int argc, char *argv[])
 		return EXIT_FAILURE;
 	}
 
-	fprintf(stdout, "Timestamp correlation CPU range: 0x%016"PRIx64"-0x%016"PRIx64"\n",
+	fprintf(stdout, "Timestamp correlation CPU range:       0x%016"PRIx64"-0x%016"PRIx64"\n",
 		reader.correlations[0]->cpu_timestamp,
 		reader.correlations[reader.n_correlations - 1]->cpu_timestamp);
-	fprintf(stdout, "Timestamp correlation GPU range: 0x%016"PRIx64"-0x%016"PRIx64"\n",
+	fprintf(stdout, "Timestamp correlation GPU range (64b): 0x%016"PRIx64"-0x%016"PRIx64"\n",
 		reader.correlations[0]->gpu_timestamp,
 		reader.correlations[reader.n_correlations - 1]->gpu_timestamp);
+	fprintf(stdout, "Timestamp correlation GPU range (32b): 0x%016"PRIx64"-0x%016"PRIx64"\n",
+		reader.correlations[0]->gpu_timestamp & 0xffffffff,
+		reader.correlations[reader.n_correlations - 1]->gpu_timestamp & 0xffffffff);
 
-	fprintf(stdout, "OA data timestamp range: 0x%016"PRIx64"-0x%016"PRIx64"\n",
+	fprintf(stdout, "OA data timestamp range:               0x%016"PRIx64"-0x%016"PRIx64"\n",
 		intel_perf_read_record_timestamp(reader.perf,
 						 reader.metric_set,
 						 reader.records[0]),
-- 
2.25.1



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