Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1306233

[PATCH 33/53] perf record: Introduce record__finish_output() to finish a perf.data

From Wang Nan <wangnan0@huawei.com>
Newsgroups linux.kernel
Subject [PATCH 33/53] perf record: Introduce record__finish_output() to finish a perf.data
Date 2016-01-11 15:00 +0100
Message-ID <qPLaP-38k-23@gated-at.bofh.it> (permalink)
References <qPL17-34y-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


Move code for finalizing 'perf.data' to record__finish_output(). It
will be used by following commits to split output to multiple files.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Signed-off-by: He Kuang <hekuang@huawei.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
---
 tools/perf/builtin-record.c | 45 +++++++++++++++++++++++++++++----------------
 1 file changed, 29 insertions(+), 16 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 318b90f..91bf4b1 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -493,6 +493,33 @@ static void record__init_features(struct record *rec)
 	perf_header__clear_feat(&session->header, HEADER_STAT);
 }
 
+static void
+record__finish_output(struct record *rec)
+{
+	struct perf_data_file *file = &rec->file;
+	int fd = perf_data_file__fd(file);
+
+	if (file->is_pipe)
+		return;
+
+	rec->session->header.data_size += rec->bytes_written;
+	file->size = lseek(perf_data_file__fd(file), 0, SEEK_CUR);
+
+	if (!rec->no_buildid) {
+		process_buildids(rec);
+		/*
+		 * We take all buildids when the file contains
+		 * AUX area tracing data because we do not decode the
+		 * trace because it would take too long.
+		 */
+		if (rec->opts.full_auxtrace)
+			dsos__hit_all(rec->session);
+	}
+	perf_session__write_header(rec->session, rec->evlist, fd, true);
+
+	return;
+}
+
 static volatile int workload_exec_errno;
 
 /*
@@ -820,22 +847,8 @@ out_child:
 	/* this will be recalculated during process_buildids() */
 	rec->samples = 0;
 
-	if (!err && !file->is_pipe) {
-		rec->session->header.data_size += rec->bytes_written;
-		file->size = lseek(perf_data_file__fd(file), 0, SEEK_CUR);
-
-		if (!rec->no_buildid) {
-			process_buildids(rec);
-			/*
-			 * We take all buildids when the file contains
-			 * AUX area tracing data because we do not decode the
-			 * trace because it would take too long.
-			 */
-			if (rec->opts.full_auxtrace)
-				dsos__hit_all(rec->session);
-		}
-		perf_session__write_header(rec->session, rec->evlist, fd, true);
-	}
+	if (!err)
+		record__finish_output(rec);
 
 	if (!err && !quiet) {
 		char samples[128];
-- 
1.8.3.4

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH 00/53] perf tools: Bugfix, BPF improvement and perf record flight record mode Wang Nan <wangnan0@huawei.com> - 2016-01-11 14:50 +0100
  [PATCH 44/53] perf tools: Automatically add new channel according to evlist Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 01/53] perf tools: Add -lutil in python lib list for broken python-config Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
    Re: [PATCH 01/53] perf tools: Add -lutil in python lib list for  broken python-config Jiri Olsa <jolsa@redhat.com> - 2016-01-12 10:50 +0100
    [tip:perf/urgent] perf tools:   Add -lutil in python lib list for broken python-config tip-bot for Wang Nan <tipbot@zytor.com> - 2016-01-12 11:10 +0100
  [PATCH 09/53] perf: bpf: Fix build breakage due to libbpf Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
    [tip:perf/urgent] perf bpf: Fix build breakage due to libbpf "tip-bot for Naveen N. Rao" <tipbot@zytor.com> - 2016-01-12 11:20 +0100
  [PATCH 52/53] perf record: Toggle tailsize ring buffer for reading Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 17/53] perf test: Improve bp_signal Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
    Re: [PATCH 17/53] perf test: Improve bp_signal Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 22:40 +0100
      Re: [PATCH 17/53] perf test: Improve bp_signal "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-12 05:20 +0100
      Re: [PATCH 17/53] perf test: Improve bp_signal Jiri Olsa <jolsa@redhat.com> - 2016-01-12 10:30 +0100
        Re: [PATCH 17/53] perf test: Improve bp_signal Will Deacon <will.deacon@arm.com> - 2016-01-12 15:20 +0100
        Re: [PATCH 17/53] perf test: Improve bp_signal Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-12 15:20 +0100
  [PATCH 47/53] perf record: Don't read from and poll overwrite channel Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 28/53] perf tools: Move timestamp creation to util Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 39/53] perf record: Re-synthesize tracking events after output switching Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 33/53] perf record: Introduce record__finish_output() to finish a perf.data Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 46/53] perf tools: Squash overwrite setting into channel Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 34/53] perf record: Use OPT_BOOLEAN_SET for buildid cache related options Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 43/53] perf tools: Add evlist channel helpers Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 51/53] perf record: Read from tailsize ring buffer Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 42/53] perf record: Prevent reading invalid data in record__mmap_read Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
    Re: [PATCH 42/53] perf record: Prevent reading invalid data in  record__mmap_read Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-01-11 15:30 +0100
      Re: [PATCH 42/53] perf record: Prevent reading invalid data in  record__mmap_read Arnaldo Carvalho de Melo <acme@redhat.com> - 2016-01-11 16:10 +0100
      Re: [PATCH 42/53] perf record: Prevent reading invalid data in  record__mmap_read Arnaldo Carvalho de Melo <acme@redhat.com> - 2016-01-11 16:10 +0100
  [PATCH 40/53] perf record: Generate tracking events for process forked by perf Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 41/53] perf record: Ensure return non-zero rc when mmap fail Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 49/53] perf tools: Consider TAILSIZE bit when caclulate is_pos Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 31/53] perf tools: Add perf_data_file__switch() helper Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 50/53] perf tools: Set tailsize attribut bit for overwrite events Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 45/53] perf tools: Operate multiple channels Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 30/53] perf record: Extract synthesize code to record__synthesize() Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 07/53] tools: Move Makefile.arch from perf/config to tools/scripts Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
    Re: [PATCH 07/53] tools: Move Makefile.arch from perf/config to tools/scripts "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
      Re: [PATCH 07/53] tools: Move Makefile.arch from perf/config to  tools/scripts Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 15:20 +0100
    [tip:perf/urgent] tools: Move Makefile.arch from perf/  config to tools/scripts tip-bot for Wang Nan <tipbot@zytor.com> - 2016-01-12 11:20 +0100
  [PATCH 53/53] perf record: Allow generate tracking events at the end of output Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 48/53] perf tools: Enable overwrite settings Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 11/53] perf test: Fix false TEST_OK result for 'perf test hist' Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
    Re: [PATCH 11/53] perf test: Fix false TEST_OK result for 'perf test  hist' Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-01-11 15:30 +0100
      Re: [PATCH 11/53] perf test: Fix false TEST_OK result for 'perf test  hist' Arnaldo Carvalho de Melo <acme@redhat.com> - 2016-01-11 16:00 +0100
        Re: [PATCH 11/53] perf test: Fix false TEST_OK result for 'perf test  hist' Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 16:40 +0100
    [tip:perf/urgent] perf test: Fix false TEST_OK result for '  perf test hist' tip-bot for Wang Nan <tipbot@zytor.com> - 2016-01-12 11:20 +0100
  [PATCH 15/53] perf tools: Fix symbols searching for offline module in buildid-cache Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 06/53] perf tools: Fix PowerPC native building Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
    [tip:perf/urgent] perf tools: Fix PowerPC native building tip-bot for Wang Nan <tipbot@zytor.com> - 2016-01-12 11:20 +0100
  [PATCH 23/53] perf tools: Support setting different slots in a BPF map separately Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 02/53] perf tools: Fix phony build target for build-test Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
    [tip:perf/urgent] perf tools:   Fix phony build target for build-test tip-bot for Wang Nan <tipbot@zytor.com> - 2016-01-12 11:20 +0100
  [PATCH 19/53] perf tools: Enable BPF object configure syntax Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 05/53] perf tools: Test correct path of perf in build-test Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
    Re: [PATCH 05/53] perf tools: Test correct path of perf in build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 16:30 +0100
      Re: [PATCH 05/53] perf tools: Test correct path of perf in build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 23:10 +0100
        Re: [PATCH 05/53] perf tools: Test correct path of perf in build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 23:40 +0100
          Re: [PATCH 05/53] perf tools: Test correct path of perf in build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 23:50 +0100
            Re: [PATCH 05/53] perf tools: Test correct path of perf in build-test "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-12 08:20 +0100
              Re: [PATCH 05/53] perf tools: Test correct path of perf in build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-12 15:10 +0100
  [PATCH 20/53] perf record: Apply config to BPF objects before recording Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 14/53] perf test: Check environment before start real BPF test Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
    Re: [PATCH 14/53] perf test: Check environment before start real BPF  test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 23:00 +0100
      Re: [PATCH 14/53] perf test: Check environment before start real  BPF test "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-12 08:50 +0100
  [PATCH 26/53] perf data: Support converting data from bpf_perf_event_output() Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 36/53] perf record: Split output into multiple files via '--switch-output' Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 12/53] perf test: Reset err after using it hold errcode in hist testcases Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
    [tip:perf/urgent] perf test:   Reset err after using it hold errcode in hist testcases tip-bot for Wang Nan <tipbot@zytor.com> - 2016-01-12 11:20 +0100
  [PATCH 29/53] perf tools: Make ordered_events reusable Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
    Re: [PATCH 29/53] perf tools: Make ordered_events reusable Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 22:40 +0100
  [PATCH 04/53] perf tools: Pass O option to Makefile.perf in build-test Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 32/53] perf record: Turns auxtrace_snapshot_enable into 3 states Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 16/53] perf tools: Fix mmap2 event allocation in synthesize code Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
    Re: [PATCH 16/53] perf tools: Fix mmap2 event allocation in  synthesize code Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 22:10 +0100
      [PATCH 16/53 v2] perf tools: Fix mmap2 event allocation in synthesize code Wang Nan <wangnan0@huawei.com> - 2016-01-12 11:20 +0100
        RE: [PATCH 16/53 v2] perf tools: Fix mmap2 event allocation in  synthesize code 平松雅巳 / HIRAMATU,MASAMI   <masami.hiramatsu.pt@hitachi.com> - 2016-01-12 11:50 +0100
          Re: [PATCH 16/53 v2] perf tools: Fix mmap2 event allocation in synthesize  code "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-12 12:00 +0100
            Re: [PATCH 16/53 v2] perf tools: Fix mmap2 event allocation in  synthesize code "acme@kernel.org" <acme@kernel.org> - 2016-01-12 15:30 +0100
              RE: [PATCH 16/53 v2] perf tools: Fix mmap2 event allocation in  synthesize code 平松雅巳 / HIRAMATU,MASAMI   <masami.hiramatsu.pt@hitachi.com> - 2016-01-13 01:50 +0100
        [tip:perf/urgent] perf tools:   Fix mmap2 event allocation in synthesize code tip-bot for Wang Nan <tipbot@zytor.com> - 2016-01-13 10:50 +0100
  [PATCH 08/53] perf tools: Add missing sources in perf's MANIFEST Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 21/53] perf tools: Enable passing event to BPF object Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 25/53] perf tools: Introduce bpf-output event Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:20 +0100
  [PATCH 18/53] perf tools: Add API to config maps in bpf object Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:20 +0100
  [PATCH 24/53] perf tools: Enable indices setting syntax for BPF maps Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:20 +0100
  [PATCH 22/53] perf tools: Support perf event alias name Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:20 +0100
  [PATCH 13/53] perf tools: Prevent calling machine__delete() on non-allocated machine Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:20 +0100
    Re: [PATCH 13/53] perf tools: Prevent calling machine__delete() on  non-allocated machine Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 16:50 +0100
      Re: [PATCH 13/53] perf tools: Prevent calling machine__delete() on  non-allocated machine "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-12 08:10 +0100
        Re: [PATCH 13/53] perf tools: Prevent calling machine__delete() on  non-allocated machine Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-12 15:10 +0100
  [PATCH 10/53] tools build: Add BPF feature check to test-all Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:20 +0100
    [tip:perf/urgent] tools build: Add BPF feature check to test-all tip-bot for Wang Nan <tipbot@zytor.com> - 2016-01-12 11:20 +0100
  [PATCH 37/53] perf record: Force enable --timestamp-filename when --switch-output is provided Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:20 +0100
  [PATCH 03/53] perf tools: Set parallel making options build-test Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:20 +0100
  [PATCH 35/53] perf record: Add '--timestamp-filename' option to append timestamp to output filename Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:30 +0100
  [PATCH 38/53] perf record: Disable buildid cache options by default in switch output mode Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:30 +0100

csiph-web