summaryrefslogtreecommitdiff
path: root/Documentation/admin-guide/perf/hisi-pmu.rst
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/admin-guide/perf/hisi-pmu.rst')
-rw-r--r--Documentation/admin-guide/perf/hisi-pmu.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/admin-guide/perf/hisi-pmu.rst b/Documentation/admin-guide/perf/hisi-pmu.rst
index f3d9871906a2..d56b2d690709 100644
--- a/Documentation/admin-guide/perf/hisi-pmu.rst
+++ b/Documentation/admin-guide/perf/hisi-pmu.rst
@@ -66,6 +66,10 @@ specified as a bitmap::
This will only count the operations from core/thread 0 and 1 in this cluster.
+User should not use tt_core_deprecated to specify the core/thread filtering.
+This option is provided for backward compatiblility and only support 8bit
+which may not cover all the core/thread sharing L3C.
+
2. Tracetag allow the user to chose to count only read, write or atomic
operations via the tt_req parameeter in perf. The default value counts all
operations. tt_req is 3bits, 3'b100 represents read operations, 3'b101