From: Jiri Olsa <jolsa@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: lkml <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Adrian Hunter <adrian.hunter@intel.com>,
Andi Kleen <ak@linux.intel.com>,
Stephane Eranian <eranian@google.com>,
Alexey Budankov <alexey.budankov@linux.intel.com>
Subject: [PATCH 03/11] perf data: Add perf_data__update_dir function
Date: Fri, 8 Mar 2019 14:47:37 +0100 [thread overview]
Message-ID: <20190308134745.5057-4-jolsa@kernel.org> (raw)
In-Reply-To: <20190308134745.5057-1-jolsa@kernel.org>
Adding perf_data__update_dir function to update
size for every file within the perf.data directory.
Link: http://lkml.kernel.org/n/tip-3ii12l48u4tyvrzxo1797w7e@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/util/data.c | 20 ++++++++++++++++++++
tools/perf/util/data.h | 1 +
2 files changed, 21 insertions(+)
diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
index e28fd0fde5e0..d568975c5ee3 100644
--- a/tools/perf/util/data.c
+++ b/tools/perf/util/data.c
@@ -124,6 +124,26 @@ int perf_data__open_dir(struct perf_data *data)
return ret;
}
+int perf_data__update_dir(struct perf_data *data)
+{
+ int i;
+
+ if (WARN_ON(!data->is_dir))
+ return -EINVAL;
+
+ for (i = 0; i < data->dir.nr; i++) {
+ struct perf_data_file *file = &data->dir.files[i];
+ struct stat st;
+
+ if (fstat(file->fd, &st))
+ return -1;
+
+ file->size = st.st_size;
+ }
+
+ return 0;
+}
+
static bool check_pipe(struct perf_data *data)
{
struct stat st;
diff --git a/tools/perf/util/data.h b/tools/perf/util/data.h
index 06aefeda311f..0deeb1af9f54 100644
--- a/tools/perf/util/data.h
+++ b/tools/perf/util/data.h
@@ -79,4 +79,5 @@ int perf_data__switch(struct perf_data *data,
int perf_data__create_dir(struct perf_data *data, int nr);
int perf_data__open_dir(struct perf_data *data);
void perf_data__close_dir(struct perf_data *data);
+int perf_data__update_dir(struct perf_data *data);
#endif /* __PERF_DATA_H */
--
2.17.2
next prev parent reply other threads:[~2019-03-08 13:48 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-08 13:47 [PATCHv5 00/11] perf record: Add support to store data in directory Jiri Olsa
2019-03-08 13:47 ` [PATCH 01/11] perf data: Add directory support Jiri Olsa
2019-03-08 17:26 ` Arnaldo Carvalho de Melo
2019-03-22 22:03 ` [tip:perf/urgent] perf data: Support having perf.data stored as a directory tip-bot for Jiri Olsa
2019-03-08 13:47 ` [PATCH 02/11] perf data: Don't store auxtrace index for directory data file Jiri Olsa
2019-03-22 22:03 ` [tip:perf/urgent] " tip-bot for Jiri Olsa
2019-03-08 13:47 ` Jiri Olsa [this message]
2019-03-22 22:04 ` [tip:perf/urgent] perf data: Add perf_data__update_dir() function tip-bot for Jiri Olsa
2019-03-08 13:47 ` [PATCH 04/11] perf data: Make perf_data__size to work over directory Jiri Olsa
2019-03-08 17:33 ` Arnaldo Carvalho de Melo
2019-03-09 17:21 ` Jiri Olsa
2019-03-22 22:05 ` [tip:perf/urgent] perf data: Make perf_data__size() " tip-bot for Jiri Olsa
2019-03-08 13:47 ` [PATCH 05/11] perf header: Add DIR_FORMAT feature to describe directory data Jiri Olsa
2019-03-08 18:24 ` Arnaldo Carvalho de Melo
2019-03-09 17:21 ` Jiri Olsa
2019-03-22 22:05 ` [tip:perf/urgent] " tip-bot for Jiri Olsa
2019-03-08 13:47 ` [PATCH 06/11] perf session: Add process callback to reader object Jiri Olsa
2019-03-22 22:06 ` [tip:perf/urgent] " tip-bot for Jiri Olsa
2019-03-08 13:47 ` [PATCH 07/11] perf session: Add __perf_session__process_dir_events function Jiri Olsa
2019-03-08 18:38 ` Arnaldo Carvalho de Melo
2019-03-08 18:39 ` Arnaldo Carvalho de Melo
2019-03-09 17:21 ` Jiri Olsa
2019-03-08 13:47 ` [PATCH 08/11] perf session: Add path to reader object Jiri Olsa
2019-03-08 13:47 ` [PATCH 09/11] perf record: Add --dir option to store data in directory Jiri Olsa
2019-03-08 13:47 ` [PATCH 10/11] perf record: Add --output-dir " Jiri Olsa
2019-03-08 13:47 ` [PATCH 11/11] perf record: Describe perf.data directory format Jiri Olsa
-- strict thread matches above, loose matches on Subject: below --
2019-02-26 8:48 [PATCHv4 00/11] perf record: Add support to store data in directory Jiri Olsa
2019-02-26 8:48 ` [PATCH 03/11] perf data: Add perf_data__update_dir function Jiri Olsa
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