Mesa (master): intel/perf: add mdapi writes for register perf counters

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Module: Mesa
Branch: master
Commit: 5ba6d9941b5dda95b88b924ac51133f36bd0f653
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=5ba6d9941b5dda95b88b924ac51133f36bd0f653

Author: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Date:   Wed Nov 28 15:10:09 2018 +0000

intel/perf: add mdapi writes for register perf counters

Those are not part of the OA reports.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Reviewed-by: Rafael Antognolli <rafael.antognolli at intel.com>

---

 src/intel/perf/gen_perf_mdapi.h | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/src/intel/perf/gen_perf_mdapi.h b/src/intel/perf/gen_perf_mdapi.h
index 9747198be95..c0e8d811c1d 100644
--- a/src/intel/perf/gen_perf_mdapi.h
+++ b/src/intel/perf/gen_perf_mdapi.h
@@ -134,6 +134,42 @@ int gen_perf_query_result_write_mdapi(void *data, uint32_t data_size,
                                       const struct gen_perf_query_result *result,
                                       uint64_t freq_start, uint64_t freq_end);
 
+static inline void gen_perf_query_mdapi_write_perfcntr(void *data, uint32_t data_size,
+                                                       const struct gen_device_info *devinfo,
+                                                       const uint64_t *begin_perf_cntrs,
+                                                       const uint64_t *end_perf_cntrs)
+{
+   /* Only bits 0:43 of the 64bit registers contains the value. */
+   const uint64_t mask = (1ull << 44) - 1;
+
+   switch (devinfo->gen) {
+   case 8: {
+      if (data_size < sizeof(struct gen8_mdapi_metrics))
+         return;
+      struct gen8_mdapi_metrics *mdapi_data = data;
+      mdapi_data->PerfCounter1 =
+         (end_perf_cntrs[0] & mask) - (begin_perf_cntrs[0] & mask);
+      mdapi_data->PerfCounter2 =
+         (end_perf_cntrs[1] & mask) - (begin_perf_cntrs[1] & mask);
+      break;
+   }
+   case 9:
+   case 10:
+   case 11: {
+      if (data_size < sizeof(struct gen9_mdapi_metrics))
+         return;
+      struct gen9_mdapi_metrics *mdapi_data = data;
+      mdapi_data->PerfCounter1 =
+         (end_perf_cntrs[0] & mask) - (begin_perf_cntrs[0] & mask);
+      mdapi_data->PerfCounter2 =
+         (end_perf_cntrs[1] & mask) - (begin_perf_cntrs[1] & mask);
+      break;
+   }
+   default:
+      break;
+   }
+}
+
 static inline void gen_perf_query_mdapi_write_marker(void *data, uint32_t data_size,
                                                      const struct gen_device_info *devinfo,
                                                      uint64_t value)