[igt-dev] [PATCH i-g-t v3 31/31] lib/i915/perf: Apply shift to raw timestamp as well

Umesh Nerlige Ramappa umesh.nerlige.ramappa at intel.com
Thu Mar 16 23:33:23 UTC 2023


Apply the OA timestamp shift to the raw timestamp as well.

Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa at intel.com>
---
 lib/i915/perf.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/i915/perf.c b/lib/i915/perf.c
index d736490b..ddadb53b 100644
--- a/lib/i915/perf.c
+++ b/lib/i915/perf.c
@@ -1003,6 +1003,11 @@ uint64_t intel_perf_read_record_timestamp_raw(const struct intel_perf *perf,
                assert(0);
        }
 
+       if (perf->devinfo.oa_timestamp_shift >= 0)
+	       ts <<= perf->devinfo.oa_timestamp_shift;
+       else
+	       ts >>= -perf->devinfo.oa_timestamp_shift;
+
        return ts;
 }
 
-- 
2.36.1



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