Commit 14552063 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

perf data: Add perf_data__(create_dir|close_dir) functions

Add perf_data__create_dir() to create nr files inside 'struct perf_data'
path directory:

  int perf_data__create_dir(struct perf_data *data, int nr);

and function to close that data:

  void perf_data__close_dir(struct perf_data *data);
Signed-off-by: default avatarJiri Olsa <>
Cc: Adrian Hunter <>
Cc: Alexander Shishkin <>
Cc: Alexey Budankov <>
Cc: Andi Kleen <>
Cc: Namhyung Kim <>
Cc: Peter Zijlstra <>
Cc: Stephane Eranian <>

Signed-off-by: default avatarArnaldo Carvalho de Melo <>
parent ccb7a71d
......@@ -7,11 +7,58 @@
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <asm/bug.h>
#include "data.h"
#include "util.h"
#include "debug.h"
static void close_dir(struct perf_data_file *files, int nr)
while (--nr >= 1) {
void perf_data__close_dir(struct perf_data *data)
close_dir(data->dir.files, data->;
int perf_data__create_dir(struct perf_data *data, int nr)
struct perf_data_file *files = NULL;
int i, ret = -1;
files = zalloc(nr * sizeof(*files));
if (!files)
return -ENOMEM;
data->dir.files = files;
data-> = nr;
for (i = 0; i < nr; i++) {
struct perf_data_file *file = &files[i];
if (asprintf(&file->path, "%s/data.%d", data->path, i) < 0)
goto out_err;
ret = open(file->path, O_RDWR|O_CREAT|O_TRUNC, S_IRUSR|S_IWUSR);
if (ret < 0)
goto out_err;
file->fd = ret;
return 0;
close_dir(files, i);
return ret;
static bool check_pipe(struct perf_data *data)
struct stat st;
......@@ -21,6 +21,11 @@ struct perf_data {
bool is_pipe;
bool force;
enum perf_data_mode mode;
struct {
struct perf_data_file *files;
int nr;
} dir;
static inline bool perf_data__is_read(struct perf_data *data)
......@@ -64,4 +69,7 @@ ssize_t perf_data_file__write(struct perf_data_file *file,
int perf_data__switch(struct perf_data *data,
const char *postfix,
size_t pos, bool at_exit);
int perf_data__create_dir(struct perf_data *data, int nr);
void perf_data__close_dir(struct perf_data *data);
#endif /* __PERF_DATA_H */
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