2 files changed, 5 insertions, 5 deletions
diff --git a/tools/perf/pmu-events/arch/powerpc/power9/memory.json b/tools/perf/pmu-events/arch/powerpc/power9/memory.json
index 2e2ebc700c74..c3bb283e37e9 100644
--- a/tools/perf/pmu-events/arch/powerpc/power9/memory.json
+++ b/tools/perf/pmu-events/arch/powerpc/power9/memory.json
@@ -52,7 +52,7 @@
   {,
     "EventCode": "0x4D02C",
     "EventName": "PM_PMC1_REWIND",
-    "BriefDescription": ""
+    "BriefDescription": "PMC1 rewind event"
   },
   {,
     "EventCode": "0x15158",
diff --git a/tools/perf/pmu-events/arch/powerpc/power9/other.json b/tools/perf/pmu-events/arch/powerpc/power9/other.json
index 48cf4f920b3f..62b864269623 100644
--- a/tools/perf/pmu-events/arch/powerpc/power9/other.json
+++ b/tools/perf/pmu-events/arch/powerpc/power9/other.json
@@ -237,7 +237,7 @@
   {,
     "EventCode": "0xD0B0",
     "EventName": "PM_HWSYNC",
-    "BriefDescription": ""
+    "BriefDescription": "A hwsync instruction was decoded and transferred"
   },
   {,
     "EventCode": "0x168B0",
@@ -1232,7 +1232,7 @@
   {,
     "EventCode": "0xD8AC",
     "EventName": "PM_LWSYNC",
-    "BriefDescription": ""
+    "BriefDescription": "An lwsync instruction was decoded and transferred"
   },
   {,
     "EventCode": "0x2094",
@@ -1747,7 +1747,7 @@
   {,
     "EventCode": "0xD8B0",
     "EventName": "PM_PTESYNC",
-    "BriefDescription": ""
+    "BriefDescription": "A ptesync instruction was counted when the instruction is decoded and transmitted"
   },
   {,
     "EventCode": "0x26086",
@@ -2107,7 +2107,7 @@
   {,
     "EventCode": "0xF080",
     "EventName": "PM_LSU_STCX_FAIL",
-    "BriefDescription": ""
+    "BriefDescription": "The LSU detects the condition that a stcx instruction failed. No requirement to wait for a response from the nest"
   },
   {,
     "EventCode": "0x30038",