Lines Matching full:data
15 #include "data.h"
30 void perf_data__close_dir(struct perf_data *data) in perf_data__close_dir() argument
32 close_dir(data->dir.files, data->dir.nr); in perf_data__close_dir()
35 int perf_data__create_dir(struct perf_data *data, int nr) in perf_data__create_dir() argument
40 if (WARN_ON(!data->is_dir)) in perf_data__create_dir()
47 data->dir.version = PERF_DIR_VERSION; in perf_data__create_dir()
48 data->dir.files = files; in perf_data__create_dir()
49 data->dir.nr = nr; in perf_data__create_dir()
54 ret = asprintf(&file->path, "%s/data.%d", data->path, i); in perf_data__create_dir()
72 int perf_data__open_dir(struct perf_data *data) in perf_data__open_dir() argument
81 * Directory containing a single regular perf data file which is already in perf_data__open_dir()
84 if (perf_data__is_single_file(data)) in perf_data__open_dir()
87 if (WARN_ON(!data->is_dir)) in perf_data__open_dir()
91 if (WARN_ON(data->dir.version != PERF_DIR_VERSION)) in perf_data__open_dir()
94 dir = opendir(data->path); in perf_data__open_dir()
103 snprintf(path, sizeof(path), "%s/%s", data->path, dent->d_name); in perf_data__open_dir()
107 if (!S_ISREG(st.st_mode) || strncmp(dent->d_name, "data.", 5)) in perf_data__open_dir()
134 data->dir.files = files; in perf_data__open_dir()
135 data->dir.nr = nr; in perf_data__open_dir()
143 int perf_data__update_dir(struct perf_data *data) in perf_data__update_dir() argument
147 if (WARN_ON(!data->is_dir)) in perf_data__update_dir()
150 for (i = 0; i < data->dir.nr; i++) { in perf_data__update_dir()
151 struct perf_data_file *file = &data->dir.files[i]; in perf_data__update_dir()
163 static bool check_pipe(struct perf_data *data) in check_pipe() argument
167 int fd = perf_data__is_read(data) ? in check_pipe()
170 if (!data->path) { in check_pipe()
174 if (!strcmp(data->path, "-")) in check_pipe()
179 data->file.fd = fd; in check_pipe()
181 return data->is_pipe = is_pipe; in check_pipe()
184 static int check_backup(struct perf_data *data) in check_backup() argument
188 if (perf_data__is_read(data)) in check_backup()
191 if (!stat(data->path, &st) && st.st_size) { in check_backup()
196 data->path); in check_backup()
200 pr_err("Can't remove old data: %s (%s)\n", in check_backup()
207 if (rename(data->path, oldname)) { in check_backup()
208 pr_err("Can't move data: %s (%s to %s)\n", in check_backup()
210 data->path, oldname); in check_backup()
218 static bool is_dir(struct perf_data *data) in is_dir() argument
222 if (stat(data->path, &st)) in is_dir()
228 static int open_file_read(struct perf_data *data) in open_file_read() argument
234 fd = open(data->file.path, O_RDONLY); in open_file_read()
238 pr_err("failed to open %s: %s", data->file.path, in open_file_read()
240 if (err == ENOENT && !strcmp(data->file.path, "perf.data")) in open_file_read()
249 if (!data->force && st.st_uid && (st.st_uid != geteuid())) { in open_file_read()
251 data->file.path); in open_file_read()
256 pr_info("zero-sized data (%s), nothing to do!\n", in open_file_read()
257 data->file.path); in open_file_read()
261 data->file.size = st.st_size; in open_file_read()
269 static int open_file_write(struct perf_data *data) in open_file_write() argument
274 fd = open(data->file.path, O_CREAT|O_RDWR|O_TRUNC|O_CLOEXEC, in open_file_write()
278 pr_err("failed to open %s : %s\n", data->file.path, in open_file_write()
284 static int open_file(struct perf_data *data) in open_file() argument
288 fd = perf_data__is_read(data) ? in open_file()
289 open_file_read(data) : open_file_write(data); in open_file()
292 zfree(&data->file.path); in open_file()
296 data->file.fd = fd; in open_file()
300 static int open_file_dup(struct perf_data *data) in open_file_dup() argument
302 data->file.path = strdup(data->path); in open_file_dup()
303 if (!data->file.path) in open_file_dup()
306 return open_file(data); in open_file_dup()
309 static int open_dir(struct perf_data *data) in open_dir() argument
314 * So far we open only the header, so we can read the data version and in open_dir()
317 if (asprintf(&data->file.path, "%s/data", data->path) < 0) in open_dir()
320 if (perf_data__is_write(data) && in open_dir()
321 mkdir(data->path, S_IRWXU) < 0) in open_dir()
324 ret = open_file(data); in open_dir()
327 if (ret && perf_data__is_write(data)) in open_dir()
328 rm_rf_perf_data(data->path); in open_dir()
333 int perf_data__open(struct perf_data *data) in perf_data__open() argument
335 if (check_pipe(data)) in perf_data__open()
338 if (!data->path) in perf_data__open()
339 data->path = "perf.data"; in perf_data__open()
341 if (check_backup(data)) in perf_data__open()
344 if (perf_data__is_read(data)) in perf_data__open()
345 data->is_dir = is_dir(data); in perf_data__open()
347 return perf_data__is_dir(data) ? in perf_data__open()
348 open_dir(data) : open_file_dup(data); in perf_data__open()
351 void perf_data__close(struct perf_data *data) in perf_data__close() argument
353 if (perf_data__is_dir(data)) in perf_data__close()
354 perf_data__close_dir(data); in perf_data__close()
356 zfree(&data->file.path); in perf_data__close()
357 close(data->file.fd); in perf_data__close()
366 ssize_t perf_data__write(struct perf_data *data, in perf_data__write() argument
369 return perf_data_file__write(&data->file, buf, size); in perf_data__write()
372 int perf_data__switch(struct perf_data *data, in perf_data__switch() argument
379 if (check_pipe(data)) in perf_data__switch()
381 if (perf_data__is_read(data)) in perf_data__switch()
384 if (asprintf(new_filepath, "%s.%s", data->path, postfix) < 0) in perf_data__switch()
391 if (rename(data->path, *new_filepath)) in perf_data__switch()
392 pr_warning("Failed to rename %s to %s\n", data->path, *new_filepath); in perf_data__switch()
395 close(data->file.fd); in perf_data__switch()
396 ret = perf_data__open(data); in perf_data__switch()
400 if (lseek(data->file.fd, pos, SEEK_SET) == (off_t)-1) { in perf_data__switch()
407 ret = data->file.fd; in perf_data__switch()
412 unsigned long perf_data__size(struct perf_data *data) in perf_data__size() argument
414 u64 size = data->file.size; in perf_data__size()
417 if (perf_data__is_single_file(data)) in perf_data__size()
420 for (i = 0; i < data->dir.nr; i++) { in perf_data__size()
421 struct perf_data_file *file = &data->dir.files[i]; in perf_data__size()
429 int perf_data__make_kcore_dir(struct perf_data *data, char *buf, size_t buf_sz) in perf_data__make_kcore_dir() argument
433 if (!data->is_dir) in perf_data__make_kcore_dir()
436 ret = snprintf(buf, buf_sz, "%s/kcore_dir", data->path); in perf_data__make_kcore_dir()
443 char *perf_data__kallsyms_name(struct perf_data *data) in perf_data__kallsyms_name() argument
448 if (!data->is_dir) in perf_data__kallsyms_name()
451 if (asprintf(&kallsyms_name, "%s/kcore_dir/kallsyms", data->path) < 0) in perf_data__kallsyms_name()