perf report: Output data file name in raw trace dump

Print path and name of a data file into raw dump (-D)
<file_offset>@<path/file>:

  0x2226a@perf.data [0x30]: event: 9
or
  0x15cc36@perf.data/data.7 [0x30]: event: 9
Reviewed-by: Riccardo Mancini <rickyman7@gmail.com>
Signed-off-by: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Tested-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Riccardo Mancini <rickyman7@gmail.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Antonov <alexander.antonov@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Budankov <abudankov@huawei.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/e8378fd4910c10751b001be880705653989283c2.1642440724.git.alexey.v.bayduraev@linux.intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-inject.c

@@ -111,7 +111,8 @@ static int perf_event__repipe_op2_synth(struct perf_session *session,
 
 static int perf_event__repipe_op4_synth(struct perf_session *session,
 					union perf_event *event,
-					u64 data __maybe_unused)
+					u64 data __maybe_unused,
+					const char *str __maybe_unused)
 {
 	return perf_event__repipe_synth(session->tool, event);
 }

tools/perf/builtin-kvm.c

@@ -771,7 +771,7 @@ static s64 perf_kvm__mmap_read_idx(struct perf_kvm_stat *kvm, int idx,
 			return -1;
 		}
 
-		err = perf_session__queue_event(kvm->session, event, timestamp, 0);
+		err = perf_session__queue_event(kvm->session, event, timestamp, 0, NULL);
 		/*
 		 * FIXME: Here we can't consume the event, as perf_session__queue_event will
 		 *        point to it, and it'll get possibly overwritten by the kernel.

tools/perf/builtin-top.c

@@ -888,7 +888,7 @@ static void perf_top__mmap_read_idx(struct perf_top *top, int idx)
 		if (ret && ret != -1)
 			break;
 
-		ret = ordered_events__queue(top->qe.in, event, last_timestamp, 0);
+		ret = ordered_events__queue(top->qe.in, event, last_timestamp, 0, NULL);
 		if (ret)
 			break;
 

tools/perf/builtin-trace.c

@@ -3782,7 +3782,7 @@ static int trace__deliver_event(struct trace *trace, union perf_event *event)
 	if (err && err != -1)
 		return err;
 
-	err = ordered_events__queue(&trace->oe.data, event, trace->oe.last, 0);
+	err = ordered_events__queue(&trace->oe.data, event, trace->oe.last, 0, NULL);
 	if (err)
 		return err;
 

tools/perf/util/ordered-events.c

@@ -192,7 +192,7 @@ void ordered_events__delete(struct ordered_events *oe, struct ordered_event *eve
 }
 
 int ordered_events__queue(struct ordered_events *oe, union perf_event *event,
-			  u64 timestamp, u64 file_offset)
+			  u64 timestamp, u64 file_offset, const char *file_path)
 {
 	struct ordered_event *oevent;
 
@@ -217,6 +217,7 @@ int ordered_events__queue(struct ordered_events *oe, union perf_event *event,
 		return -ENOMEM;
 
 	oevent->file_offset = file_offset;
+	oevent->file_path = file_path;
 	return 0;
 }
 

tools/perf/util/ordered-events.h

@@ -9,6 +9,7 @@ struct perf_sample;
 struct ordered_event {
 	u64			timestamp;
 	u64			file_offset;
+	const char		*file_path;
 	union perf_event	*event;
 	struct list_head	list;
 };
@@ -53,7 +54,7 @@ struct ordered_events {
 };
 
 int ordered_events__queue(struct ordered_events *oe, union perf_event *event,
-			  u64 timestamp, u64 file_offset);
+			  u64 timestamp, u64 file_offset, const char *file_path);
 void ordered_events__delete(struct ordered_events *oe, struct ordered_event *event);
 int ordered_events__flush(struct ordered_events *oe, enum oe_flush how);
 int ordered_events__flush_time(struct ordered_events *oe, u64 timestamp);

tools/perf/util/session.h

@@ -52,6 +52,7 @@ struct perf_session {
 struct decomp {
 	struct decomp *next;
 	u64 file_pos;
+	const char *file_path;
 	size_t mmap_len;
 	u64 head;
 	size_t size;
@@ -87,7 +88,7 @@ int perf_session__peek_events(struct perf_session *session, u64 offset,
 int perf_session__process_events(struct perf_session *session);
 
 int perf_session__queue_event(struct perf_session *s, union perf_event *event,
-			      u64 timestamp, u64 file_offset);
+			      u64 timestamp, u64 file_offset, const char *file_path);
 
 void perf_tool__fill_defaults(struct perf_tool *tool);
 

tools/perf/util/tool.h

@@ -28,7 +28,8 @@ 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_op4)(struct perf_session *session, union perf_event *event, u64 data,
+			 const char *str);
 
 typedef int (*event_oe)(struct perf_tool *tool, union perf_event *event,
 			struct ordered_events *oe);