Lines Matching defs:hist
305 * trace_event_save_hist - save the content of an event hist
307 * If the trigger is a hist: one, save the content of the hist file.
315 char *hist;
320 /* trigger enables hist */
324 /* is this a hist: trigger? */
325 retval = strncmp(tevent->trigger, "hist:", strlen("hist:"));
331 printf(" Saving event %s:%s hist to %s\n", tevent->system, tevent->event, path);
339 hist = tracefs_event_file_read(instance->inst, tevent->system, tevent->event, "hist", 0);
340 if (!hist) {
341 err_msg(" Failed to read %s:%s hist file\n", tevent->system, tevent->event);
347 index += write(out_fd, &hist[index], strlen(hist) - index);
348 } while (index < strlen(hist));
350 free(hist);