Adding 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 free that data: void perf_data__free_dir(struct perf_data *data); Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Jiri Olsa <[email protected]> --- tools/perf/util/data.c | 47 ++++++++++++++++++++++++++++++++++++++++++ tools/perf/util/data.h | 8 +++++++ 2 files changed, 55 insertions(+) diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c index 0a3051cc0ea0..ff1d9e5bd68d 100644 --- a/tools/perf/util/data.c +++ b/tools/perf/util/data.c @@ -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 free_dir(struct perf_data_file *files, int nr) +{ + while (--nr >= 1) { + close(files[nr].fd); + free(files[nr].path); + } + free(files); +} + +void perf_data__free_dir(struct perf_data *data) +{ + free_dir(data->dir.files, data->dir.nr); +} + +int perf_data__create_dir(struct perf_data *data, int nr) +{ + struct perf_data_file *files = NULL; + int i, ret = -1; + + files = malloc(nr * sizeof(*files)); + if (!files) + return -ENOMEM; + + data->dir.files = files; + data->dir.nr = 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; + +out_err: + free_dir(files, i); + 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 2bce28117ccf..3b4115dc777f 100644 --- a/tools/perf/util/data.h +++ b/tools/perf/util/data.h @@ -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__free_dir(struct perf_data *data); #endif /* __PERF_DATA_H */ -- 2.17.2
