linux-kernel - [PATCH v2 01/15] perf session: introduce trace file path to be shown in raw trace dump

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Date:   Wed, 21 Oct 2020 18:56:26 +0300
From:   Alexey Budankov <alexey.budankov@...ux.intel.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>
Cc:     Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 01/15] perf session: introduce trace file path to be shown
 in raw trace dump


Extend reader, ordered_event and decomp objects to contain path
of a trace file being displayed.

Signed-off-by: Alexey Budankov <alexey.budankov@...ux.intel.com>
---
 tools/perf/util/ordered-events.h | 1 +
 tools/perf/util/session.c        | 2 ++
 tools/perf/util/session.h        | 1 +
 3 files changed, 4 insertions(+)

diff --git a/tools/perf/util/ordered-events.h b/tools/perf/util/ordered-events.h
index 75345946c4b9..42c9764c6b5b 100644
--- a/tools/perf/util/ordered-events.h
+++ b/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;
 };
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 7a5f03764702..4478ddae485b 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -2119,6 +2119,7 @@ typedef s64 (*reader_cb_t)(struct perf_session *session,
 
 struct reader {
 	int		 fd;
+	const char	 *path;
 	u64		 data_size;
 	u64		 data_offset;
 	reader_cb_t	 process;
@@ -2241,6 +2242,7 @@ static int __perf_session__process_events(struct perf_session *session)
 		.data_size	= session->header.data_size,
 		.data_offset	= session->header.data_offset,
 		.process	= process_simple,
+		.path		= session->data->file.path,
 	};
 	struct ordered_events *oe = &session->ordered_events;
 	struct perf_tool *tool = session->tool;
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index f76480166d38..378ffc3e2809 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -46,6 +46,7 @@ struct perf_session {
 struct decomp {
 	struct decomp *next;
 	u64 file_pos;
+	const char *file_path;
 	size_t mmap_len;
 	u64 head;
 	size_t size;
-- 
2.24.1