2 files changed, 20 insertions, 1 deletions

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index bad5f87ae001..ec1dec86d0e1 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -358,6 +358,14 @@ static int process_stat_round_stub(struct perf_session *perf_session __maybe_unu
         return 0;
 }
 
+static int perf_session__process_compressed_event_stub(struct perf_session *session __maybe_unused,
+                                                       union perf_event *event __maybe_unused,
+                                                       u64 file_offset __maybe_unused)
+{
+       dump_printf(": unhandled!\n");
+       return 0;
+}
+
 void perf_tool__fill_defaults(struct perf_tool *tool)
 {
         if (tool->sample == NULL)
@@ -430,6 +438,8 @@ void perf_tool__fill_defaults(struct perf_tool *tool)
                 tool->time_conv = process_event_op2_stub;
         if (tool->feature == NULL)
                 tool->feature = process_event_op2_stub;
+        if (tool->compressed == NULL)
+                tool->compressed = perf_session__process_compressed_event_stub;
 }
 
 static void swap_sample_id_all(union perf_event *event, void *data)
@@ -1373,7 +1383,9 @@ static s64 perf_session__process_user_event(struct perf_session *session,
         int fd = perf_data__fd(session->data);
         int err;
 
-        dump_event(session->evlist, event, file_offset, &sample);
+        if (event->header.type != PERF_RECORD_COMPRESSED ||
+            tool->compressed == perf_session__process_compressed_event_stub)
+                dump_event(session->evlist, event, file_offset, &sample);
 
         /* These events are processed right away */
         switch (event->header.type) {
@@ -1426,6 +1438,11 @@ static s64 perf_session__process_user_event(struct perf_session *session,
                 return tool->time_conv(session, event);
         case PERF_RECORD_HEADER_FEATURE:
                 return tool->feature(session, event);
+        case PERF_RECORD_COMPRESSED:
+                err = tool->compressed(session, event, file_offset);
+                if (err)
+                        dump_event(session->evlist, event, file_offset, &sample);
+                return err;
         default:
                 return -EINVAL;
         }
diff --git a/tools/perf/util/tool.h b/tools/perf/util/tool.h
index 250391672f9f..9096a6e3de59 100644
--- a/tools/perf/util/tool.h
+++ b/tools/perf/util/tool.h
@@ -28,6 +28,7 @@ typedef int (*event_attr_op)(struct perf_tool *tool,
 
 typedef int (*event_op2)(struct perf_session *session, union perf_event *event);
 typedef s64 (*event_op3)(struct perf_session *session, union perf_event *event);
+typedef int (*event_op4)(struct perf_session *session, union perf_event *event, u64 data);
 
 typedef int (*event_oe)(struct perf_tool *tool, union perf_event *event,
                         struct ordered_events *oe);
@@ -72,6 +73,7 @@ struct perf_tool {
                         stat,
                         stat_round,
                         feature;
+        event_op4       compressed;
         event_op3       auxtrace;
         bool            ordered_events;
         bool            ordering_requires_timestamps;