Mesa (master): intel/perf: expose timestamp begin for mdapi

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Module: Mesa
Branch: master
Commit: 3bb8a4bfecbfb1345256c4faa8cd10d5b0a7ca76
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=3bb8a4bfecbfb1345256c4faa8cd10d5b0a7ca76

Author: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Date:   Mon Dec 16 15:36:24 2019 +0200

intel/perf: expose timestamp begin for mdapi

This was forgotten in the initial implementation.

v2: ensure the value is written for both GL & Vulkan queries

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Cc: <mesa-stable at lists.freedesktop.org>
Acked-by: Tapani Pälli <tapani.palli at intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3112>

---

 src/intel/perf/gen_perf.c       | 2 ++
 src/intel/perf/gen_perf.h       | 5 +++++
 src/intel/perf/gen_perf_mdapi.c | 2 ++
 3 files changed, 9 insertions(+)

diff --git a/src/intel/perf/gen_perf.c b/src/intel/perf/gen_perf.c
index 7ab5e685104..fa6afb41807 100644
--- a/src/intel/perf/gen_perf.c
+++ b/src/intel/perf/gen_perf.c
@@ -1147,6 +1147,8 @@ gen_perf_query_result_accumulate(struct gen_perf_query_result *result,
    if (result->hw_id == OA_REPORT_INVALID_CTX_ID &&
        start[2] != OA_REPORT_INVALID_CTX_ID)
       result->hw_id = start[2];
+   if (result->reports_accumulated == 0)
+      result->begin_timestamp = start[1];
    result->reports_accumulated++;
 
    switch (query->oa_format) {
diff --git a/src/intel/perf/gen_perf.h b/src/intel/perf/gen_perf.h
index d8698c90cd9..28df75c5bb1 100644
--- a/src/intel/perf/gen_perf.h
+++ b/src/intel/perf/gen_perf.h
@@ -113,6 +113,11 @@ struct gen_perf_query_result {
     * query.
     */
    uint64_t unslice_frequency[2];
+
+   /**
+    * Timestamp of the query.
+    */
+   uint64_t begin_timestamp;
 };
 
 struct gen_perf_query_counter {
diff --git a/src/intel/perf/gen_perf_mdapi.c b/src/intel/perf/gen_perf_mdapi.c
index 38ca23088d2..0f35671930f 100644
--- a/src/intel/perf/gen_perf_mdapi.c
+++ b/src/intel/perf/gen_perf_mdapi.c
@@ -73,6 +73,7 @@ gen_perf_query_result_write_mdapi(void *data, uint32_t data_size,
       mdapi_data->ReportsCount = result->reports_accumulated;
       mdapi_data->TotalTime =
          gen_device_info_timebase_scale(devinfo, result->accumulator[0]);
+      mdapi_data->BeginTimestamp = result->begin_timestamp;
       mdapi_data->GPUTicks = result->accumulator[1];
       mdapi_data->CoreFrequency = freq_end;
       mdapi_data->CoreFrequencyChanged = freq_end != freq_start;
@@ -101,6 +102,7 @@ gen_perf_query_result_write_mdapi(void *data, uint32_t data_size,
       mdapi_data->ReportsCount = result->reports_accumulated;
       mdapi_data->TotalTime =
          gen_device_info_timebase_scale(devinfo, result->accumulator[0]);
+      mdapi_data->BeginTimestamp = result->begin_timestamp;
       mdapi_data->GPUTicks = result->accumulator[1];
       mdapi_data->CoreFrequency = freq_end;
       mdapi_data->CoreFrequencyChanged = freq_end != freq_start;