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authorLionel Landwerlin <lionel.g.landwerlin@intel.com>2019-12-03 16:08:12 +0200
committerLionel Landwerlin <lionel.g.landwerlin@intel.com>2019-12-04 09:21:15 +0000
commitacea59dbf8056b46444c820115d86c42d0411686 (patch)
tree1eb8bd3f806e4de2117d770fee60ee33f391d2ce
parenta7bbebcfb9b06de640f093bf801c39ff01d6016b (diff)
downloadmesa-acea59dbf8056b46444c820115d86c42d0411686.tar.gz
intel/perf: fix invalid hw_id in query results
Accumulation happens between 2 reports, it can be between a start/end report from another context. So only consider updating the hw_id of the results when it's not already valid and that we have a valid value to put in there. Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Fixes: 41b54b5faf ("i965: move OA accumulation code to intel/perf") Reviewed-by: Mark Janes <mark.a.janes@intel.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
-rw-r--r--src/intel/perf/gen_perf.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/intel/perf/gen_perf.c b/src/intel/perf/gen_perf.c
index a466645b308..7e3847d073d 100644
--- a/src/intel/perf/gen_perf.c
+++ b/src/intel/perf/gen_perf.c
@@ -71,6 +71,8 @@
#define MAP_READ (1 << 0)
#define MAP_WRITE (1 << 1)
+#define OA_REPORT_INVALID_CTX_ID (0xffffffff)
+
/**
* Periodic OA samples are read() into these buffer structures via the
* i915 perf kernel interface and appended to the
@@ -1142,7 +1144,9 @@ gen_perf_query_result_accumulate(struct gen_perf_query_result *result,
{
int i, idx = 0;
- result->hw_id = start[2];
+ if (result->hw_id == OA_REPORT_INVALID_CTX_ID &&
+ start[2] != OA_REPORT_INVALID_CTX_ID)
+ result->hw_id = start[2];
result->reports_accumulated++;
switch (query->oa_format) {
@@ -1180,7 +1184,7 @@ void
gen_perf_query_result_clear(struct gen_perf_query_result *result)
{
memset(result, 0, sizeof(*result));
- result->hw_id = 0xffffffff; /* invalid */
+ result->hw_id = OA_REPORT_INVALID_CTX_ID; /* invalid */
}
static void