diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2019-02-24 22:06:45 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-02-25 16:43:07 +0300 |
| commit | eb6176709b235b96511c7b4745c30412568395c7 (patch) | |
| tree | 3c30b15b245b6670820d8b4180cb0ddd63a1f4e3 /tools/perf | |
| parent | 145520631130bd64820b591775733256473eac62 (diff) | |
| download | linux-eb6176709b235b96511c7b4745c30412568395c7.tar.xz | |
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>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/data.c | 59 | ||||
| -rw-r--r-- | tools/perf/util/data.h | 1 |
2 files changed, 60 insertions, 0 deletions
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 */ |