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 07/14] perf data: Add perf_data__open_dir_data function
Date: Sun, 3 Feb 2019 16:30:11 +0100 [thread overview]
Message-ID: <20190203153018.9650-8-jolsa@kernel.org> (raw)
In-Reply-To: <20190203153018.9650-1-jolsa@kernel.org>
Adding perf_data__open_dir_data to open files inside
struct perf_data path directory:
static int perf_data__open_dir(struct perf_data *data);
Link: http://lkml.kernel.org/n/tip-sv97z5mh9j273mz2cthzaq4n@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/util/data.c | 60 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 60 insertions(+)
diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
index ff1d9e5bd68d..7c37b67fbc3c 100644
--- a/tools/perf/util/data.c
+++ b/tools/perf/util/data.c
@@ -8,6 +8,8 @@
#include <unistd.h>
#include <string.h>
#include <asm/bug.h>
+#include <sys/types.h>
+#include <dirent.h>
#include "data.h"
#include "util.h"
@@ -59,6 +61,64 @@ int perf_data__create_dir(struct perf_data *data, int nr)
return ret;
}
+__maybe_unused
+static int perf_data__open_dir(struct perf_data *data)
+{
+ struct perf_data_file *files = NULL;
+ struct dirent *dent;
+ int ret = -1;
+ DIR *dir;
+ int nr = 0;
+
+ dir = opendir(data->path);
+ if (!dir)
+ return -EINVAL;
+
+ while ((dent = readdir(dir)) != NULL) {
+ struct perf_data_file *file;
+ char path[PATH_MAX];
+ struct stat st;
+
+ snprintf(path, sizeof(path), "%s/%s", data->path, dent->d_name);
+ if (stat(path, &st))
+ continue;
+
+ if (!S_ISREG(st.st_mode) || strncmp(dent->d_name, "data", 4))
+ continue;
+
+ ret = -ENOMEM;
+
+ file = realloc(files, (nr + 1) * sizeof(*files));
+ if (!file)
+ goto out_err;
+
+ files = file;
+ file = &files[nr++];
+
+ file->path = strdup(path);
+ if (!file->path)
+ goto out_err;
+
+ ret = open(file->path, O_RDONLY);
+ if (ret < 0)
+ goto out_err;
+
+ file->fd = ret;
+ file->size = st.st_size;
+ }
+
+ if (!files)
+ return -EINVAL;
+
+ data->dir.files = files;
+ data->dir.nr = nr;
+ return 0;
+
+out_err:
+ free_dir(files, nr);
+ return ret;
+}
+
static bool check_pipe(struct perf_data *data)
{
struct stat st;
--
2.17.2
next prev parent reply other threads:[~2019-02-03 15:31 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-03 15:30 [RFC/PATCH 00/14] perf record: Add support to store data in directory Jiri Olsa
2019-02-03 15:30 ` [PATCH 01/14] perf tools: Make rm_rf to remove single file Jiri Olsa
2019-02-05 11:33 ` Alexey Budankov
2019-02-05 13:38 ` Jiri Olsa
2019-02-03 15:30 ` [PATCH 02/14] perf session: Add process callback to reader object Jiri Olsa
2019-02-03 15:30 ` [PATCH 03/14] perf data: Move size to struct perf_data_file Jiri Olsa
2019-02-03 15:30 ` [PATCH 04/14] perf data: Add global path holder Jiri Olsa
2019-02-03 15:30 ` [PATCH 05/14] perf data: Make check_backup work over directories Jiri Olsa
2019-02-03 15:30 ` [PATCH 06/14] perf data: Add perf_data__(create_dir|free_dir) functions Jiri Olsa
2019-02-05 11:52 ` Alexey Budankov
2019-02-05 13:42 ` Jiri Olsa
2019-02-05 13:46 ` Arnaldo Carvalho de Melo
2019-02-05 13:53 ` Jiri Olsa
2019-02-03 15:30 ` Jiri Olsa [this message]
2019-02-03 15:30 ` [PATCH 08/14] perf data: Add directory support Jiri Olsa
2019-02-03 15:30 ` [PATCH 09/14] perf data: Don't store auxtrace index for directory data file Jiri Olsa
2019-02-03 15:30 ` [PATCH 10/14] perf data: Add perf_data__update_dir function Jiri Olsa
2019-02-03 15:30 ` [PATCH 11/14] perf data: Make perf_data__size to work over directory Jiri Olsa
2019-02-03 15:30 ` [PATCH 12/14] perf session: Add __perf_session__process_dir_events function Jiri Olsa
2019-02-03 15:30 ` [PATCH 13/14] perf session: Add path to reader object Jiri Olsa
2019-02-03 15:30 ` [PATCH 14/14] perf record: Add --dir option to store data in directory Jiri Olsa
2019-02-05 12:36 ` Alexey Budankov
2019-02-05 13:51 ` Jiri Olsa
2019-02-04 10:12 ` [RFC/PATCH 00/14] perf record: Add support " Alexey Budankov
2019-02-04 10:36 ` Jiri Olsa
2019-02-04 11:29 ` Alexey Budankov
2019-02-04 11:41 ` Jiri Olsa
2019-02-04 18:56 ` Stephane Eranian
2019-02-04 19:27 ` Arnaldo Carvalho de Melo
2019-02-04 19:56 ` Alexey Budankov
2019-02-04 20:05 ` Stephane Eranian
2019-02-04 20:28 ` Jiri Olsa
2019-02-04 22:44 ` Stephane Eranian
2019-02-05 13:37 ` Jiri Olsa
2019-02-11 10:19 ` Jiri Olsa
2019-02-11 18:34 ` Stephane Eranian
2019-02-11 18:53 ` Jiri Olsa
2019-02-11 19:32 ` Arnaldo Carvalho de Melo
2019-02-11 20:18 ` Jiri Olsa
2019-02-11 20:43 ` Stephane Eranian
2019-02-14 11:34 ` Jiri Olsa
2019-02-14 12:57 ` Arnaldo Carvalho de Melo
2019-02-14 13:26 ` Jiri Olsa
2019-02-14 13:59 ` Arnaldo Carvalho de Melo
2019-02-14 21:30 ` Stephane Eranian
[not found] ` <CA+JHD90ssKi3CJ7yfCFTkrS8xwUsZhvd0t7cSCy1MF7TJ2XLYw@mail.gmail.com>
2019-02-14 21:39 ` Stephane Eranian
2019-02-11 18:55 ` Arnaldo Carvalho de Melo
2019-02-11 19:30 ` Stephane Eranian
2019-02-11 20:30 ` Song Liu
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