From: tip-bot for Jiri Olsa <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: eranian@google.com, jolsa@kernel.org,
alexey.budankov@linux.intel.com, tglx@linutronix.de,
adrian.hunter@intel.com, acme@redhat.com, ak@linux.intel.com,
peterz@infradead.org, mingo@kernel.org, hpa@zytor.com,
linux-kernel@vger.kernel.org, namhyung@kernel.org,
alexander.shishkin@linux.intel.com
Subject: [tip:perf/core] perf data: Add perf_data__open_dir_data function
Date: Thu, 28 Feb 2019 00:04:05 -0800 [thread overview]
Message-ID: <tip-eb6176709b235b96511c7b4745c30412568395c7@git.kernel.org> (raw)
In-Reply-To: <20190224190656.30163-10-jolsa@kernel.org>
Commit-ID: eb6176709b235b96511c7b4745c30412568395c7
Gitweb: https://git.kernel.org/tip/eb6176709b235b96511c7b4745c30412568395c7
Author: Jiri Olsa <jolsa@kernel.org>
AuthorDate: Sun, 24 Feb 2019 20:06:45 +0100
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 25 Feb 2019 10:43:07 -0300
perf data: Add perf_data__open_dir_data function
Add perf_data__open_dir_data to open files inside 'struct perf_data'
path directory:
static int perf_data__open_dir(struct perf_data *data);
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/20190224190656.30163-10-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/data.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++
tools/perf/util/data.h | 1 +
2 files changed, 60 insertions(+)
diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
index 005b3909d1dc..7bd5ddeb7a41 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 +61,63 @@ out_err:
return ret;
}
+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:
+ close_dir(files, nr);
+ return ret;
+}
+
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 2d0d015a7d4d..14b47be2bd69 100644
--- a/tools/perf/util/data.h
+++ b/tools/perf/util/data.h
@@ -71,5 +71,6 @@ int perf_data__switch(struct perf_data *data,
size_t pos, bool at_exit);
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);
#endif /* __PERF_DATA_H */
next prev parent reply other threads:[~2019-02-28 8:05 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-24 19:06 [PATCHv3 00/20] perf record: Add support to store data in directory Jiri Olsa
2019-02-24 19:06 ` [PATCH 01/20] perf tools: Add depth checking to rm_rf Jiri Olsa
2019-02-28 8:00 ` [tip:perf/core] " tip-bot for Jiri Olsa
2019-02-24 19:06 ` [PATCH 02/20] perf tools: Add pattern name " Jiri Olsa
2019-02-28 8:00 ` [tip:perf/core] " tip-bot for Jiri Olsa
2019-02-24 19:06 ` [PATCH 03/20] perf tools: Add rm_rf_perf_data function Jiri Olsa
2019-02-28 8:01 ` [tip:perf/core] " tip-bot for Jiri Olsa
2019-02-24 19:06 ` [PATCH 04/20] perf data: Move size to struct perf_data_file Jiri Olsa
2019-02-24 19:06 ` [PATCH 05/20] perf data: Add global path holder Jiri Olsa
2019-02-24 19:06 ` [PATCH 06/20] perf data: Make check_backup work over directories Jiri Olsa
2019-02-28 8:02 ` [tip:perf/core] " tip-bot for Jiri Olsa
2019-02-24 19:06 ` [PATCH 07/20] perf data: Fail check_backup in case of error Jiri Olsa
2019-02-28 8:02 ` [tip:perf/core] " tip-bot for Jiri Olsa
2019-02-24 19:06 ` [PATCH 08/20] perf data: Add perf_data__(create_dir|close_dir) functions Jiri Olsa
2019-02-28 8:03 ` [tip:perf/core] " tip-bot for Jiri Olsa
2019-02-24 19:06 ` [PATCH 09/20] perf data: Add perf_data__open_dir_data function Jiri Olsa
2019-02-28 8:04 ` tip-bot for Jiri Olsa [this message]
2019-02-24 19:06 ` [PATCH 10/20] perf data: Add directory support Jiri Olsa
2019-02-25 13:45 ` Arnaldo Carvalho de Melo
2019-02-25 13:56 ` Jiri Olsa
2019-02-25 15:07 ` Arnaldo Carvalho de Melo
2019-02-25 15:36 ` Jiri Olsa
2019-02-24 19:06 ` [PATCH 11/20] perf data: Don't store auxtrace index for directory data file Jiri Olsa
2019-02-24 19:06 ` [PATCH 12/20] perf data: Add perf_data__update_dir function Jiri Olsa
2019-02-24 19:06 ` [PATCH 13/20] perf data: Make perf_data__size to work over directory Jiri Olsa
2019-02-24 19:06 ` [PATCH 14/20] perf header: Add DIR_FORMAT feature to describe directory data Jiri Olsa
2019-02-24 19:06 ` [PATCH 15/20] perf session: Add process callback to reader object Jiri Olsa
2019-02-24 19:06 ` [PATCH 16/20] perf session: Add __perf_session__process_dir_events function Jiri Olsa
2019-02-24 19:06 ` [PATCH 17/20] perf session: Add path to reader object Jiri Olsa
2019-02-24 19:06 ` [PATCH 18/20] perf record: Add --dir option to store data in directory Jiri Olsa
2019-02-24 19:06 ` [PATCH 19/20] perf record: Add --output-dir " Jiri Olsa
2019-02-24 19:06 ` [PATCH 20/20] perf record: Describe perf.data directory format Jiri Olsa
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