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 if (asprintf(&file->path, "%s/data.%d", data->path, i) < 0) in perf_data__create_dir()
71 int perf_data__open_dir(struct perf_data *data) in perf_data__open_dir() argument
80 * Directory containing a single regular perf data file which is already in perf_data__open_dir()
83 if (perf_data__is_single_file(data)) in perf_data__open_dir()
86 if (WARN_ON(!data->is_dir)) in perf_data__open_dir()
90 if (WARN_ON(data->dir.version != PERF_DIR_VERSION)) in perf_data__open_dir()
93 dir = opendir(data->path); in perf_data__open_dir()
102 snprintf(path, sizeof(path), "%s/%s", data->path, dent->d_name); in perf_data__open_dir()
106 if (!S_ISREG(st.st_mode) || strncmp(dent->d_name, "data.", 5)) in perf_data__open_dir()
133 data->dir.files = files; in perf_data__open_dir()
134 data->dir.nr = nr; in perf_data__open_dir()
142 int perf_data__update_dir(struct perf_data *data) in perf_data__update_dir() argument
146 if (WARN_ON(!data->is_dir)) in perf_data__update_dir()
149 for (i = 0; i < data->dir.nr; i++) { in perf_data__update_dir()
150 struct perf_data_file *file = &data->dir.files[i]; in perf_data__update_dir()
162 static bool check_pipe(struct perf_data *data) in check_pipe() argument
166 int fd = perf_data__is_read(data) ? in check_pipe()
169 if (!data->path) { in check_pipe()
173 if (!strcmp(data->path, "-")) in check_pipe()
178 data->file.fd = fd; in check_pipe()
180 return data->is_pipe = is_pipe; in check_pipe()
183 static int check_backup(struct perf_data *data) in check_backup() argument
187 if (perf_data__is_read(data)) in check_backup()
190 if (!stat(data->path, &st) && st.st_size) { in check_backup()
195 data->path); in check_backup()
199 pr_err("Can't remove old data: %s (%s)\n", in check_backup()
206 if (rename(data->path, oldname)) { in check_backup()
207 pr_err("Can't move data: %s (%s to %s)\n", in check_backup()
209 data->path, oldname); in check_backup()
217 static bool is_dir(struct perf_data *data) in is_dir() argument
221 if (stat(data->path, &st)) in is_dir()
227 static int open_file_read(struct perf_data *data) in open_file_read() argument
233 fd = open(data->file.path, O_RDONLY); in open_file_read()
237 pr_err("failed to open %s: %s", data->file.path, in open_file_read()
239 if (err == ENOENT && !strcmp(data->file.path, "perf.data")) in open_file_read()
248 if (!data->force && st.st_uid && (st.st_uid != geteuid())) { in open_file_read()
250 data->file.path); in open_file_read()
255 pr_info("zero-sized data (%s), nothing to do!\n", in open_file_read()
256 data->file.path); in open_file_read()
260 data->file.size = st.st_size; in open_file_read()
268 static int open_file_write(struct perf_data *data) in open_file_write() argument
273 fd = open(data->file.path, O_CREAT|O_RDWR|O_TRUNC|O_CLOEXEC, in open_file_write()
277 pr_err("failed to open %s : %s\n", data->file.path, in open_file_write()
283 static int open_file(struct perf_data *data) in open_file() argument
287 fd = perf_data__is_read(data) ? in open_file()
288 open_file_read(data) : open_file_write(data); in open_file()
291 zfree(&data->file.path); in open_file()
295 data->file.fd = fd; in open_file()
299 static int open_file_dup(struct perf_data *data) in open_file_dup() argument
301 data->file.path = strdup(data->path); in open_file_dup()
302 if (!data->file.path) in open_file_dup()
305 return open_file(data); in open_file_dup()
308 static int open_dir(struct perf_data *data) in open_dir() argument
313 * So far we open only the header, so we can read the data version and in open_dir()
316 if (asprintf(&data->file.path, "%s/data", data->path) < 0) in open_dir()
319 if (perf_data__is_write(data) && in open_dir()
320 mkdir(data->path, S_IRWXU) < 0) in open_dir()
323 ret = open_file(data); in open_dir()
326 if (ret && perf_data__is_write(data)) in open_dir()
327 rm_rf_perf_data(data->path); in open_dir()
332 int perf_data__open(struct perf_data *data) in perf_data__open() argument
334 if (check_pipe(data)) in perf_data__open()
337 if (!data->path) in perf_data__open()
338 data->path = "perf.data"; in perf_data__open()
340 if (check_backup(data)) in perf_data__open()
343 if (perf_data__is_read(data)) in perf_data__open()
344 data->is_dir = is_dir(data); in perf_data__open()
346 return perf_data__is_dir(data) ? in perf_data__open()
347 open_dir(data) : open_file_dup(data); in perf_data__open()
350 void perf_data__close(struct perf_data *data) in perf_data__close() argument
352 if (perf_data__is_dir(data)) in perf_data__close()
353 perf_data__close_dir(data); in perf_data__close()
355 zfree(&data->file.path); in perf_data__close()
356 close(data->file.fd); in perf_data__close()
365 ssize_t perf_data__write(struct perf_data *data, in perf_data__write() argument
368 return perf_data_file__write(&data->file, buf, size); in perf_data__write()
371 int perf_data__switch(struct perf_data *data, in perf_data__switch() argument
378 if (check_pipe(data)) in perf_data__switch()
380 if (perf_data__is_read(data)) in perf_data__switch()
383 if (asprintf(new_filepath, "%s.%s", data->path, postfix) < 0) in perf_data__switch()
390 if (rename(data->path, *new_filepath)) in perf_data__switch()
391 pr_warning("Failed to rename %s to %s\n", data->path, *new_filepath); in perf_data__switch()
394 close(data->file.fd); in perf_data__switch()
395 ret = perf_data__open(data); in perf_data__switch()
399 if (lseek(data->file.fd, pos, SEEK_SET) == (off_t)-1) { in perf_data__switch()
406 ret = data->file.fd; in perf_data__switch()
411 unsigned long perf_data__size(struct perf_data *data) in perf_data__size() argument
413 u64 size = data->file.size; in perf_data__size()
416 if (perf_data__is_single_file(data)) in perf_data__size()
419 for (i = 0; i < data->dir.nr; i++) { in perf_data__size()
420 struct perf_data_file *file = &data->dir.files[i]; in perf_data__size()
428 int perf_data__make_kcore_dir(struct perf_data *data, char *buf, size_t buf_sz) in perf_data__make_kcore_dir() argument
432 if (!data->is_dir) in perf_data__make_kcore_dir()
435 ret = snprintf(buf, buf_sz, "%s/kcore_dir", data->path); in perf_data__make_kcore_dir()
442 char *perf_data__kallsyms_name(struct perf_data *data) in perf_data__kallsyms_name() argument
447 if (!data->is_dir) in perf_data__kallsyms_name()
450 if (asprintf(&kallsyms_name, "%s/kcore_dir/kallsyms", data->path) < 0) in perf_data__kallsyms_name()