82                 fprintf(stderr, "Option -d expects an argument.\n");  in main()
90                 fprintf(stderr, "Option -n expects an argument.\n");  in main()
102                 fprintf(stderr, "Option -p expects an argument.\n");  in main()
110                 fprintf(stderr, "Option -t expects an argument.\n");  in main()
116         fprintf(stderr, "Invalid argument \"%s\".\n", argv[i]);  in main()
122 …   fprintf(stderr, "If you provide a thread ID with -t, you must provide a process ID with -p.\n");  in main()
181             fprintf(stderr, "Could not open global latency stats file: %s\n", strerror(errno));  in read_global_stats()
190         fprintf(stderr, "Could not open global latency stats file: %s\n", strerror(errno));  in read_global_stats()
211         fprintf(stderr, "Could not open task dir for process %d.\n", pid);  in read_process_stats()
212         fprintf(stderr, "Perhaps the process has terminated?\n");  in read_process_stats()
242                 fprintf(stderr, "Could not open %s: %s\n", filename, strerror(errno));  in read_thread_stats()
243                 fprintf(stderr, "Perhaps the process or thread has terminated?\n");  in read_thread_stats()
256             fprintf(stderr, "Could not open %s: %s\n", filename, strerror(errno));  in read_thread_stats()
257             fprintf(stderr, "Perhaps the process or thread has terminated?\n");  in read_thread_stats()
280             fprintf(stderr, "Could not allocate latency entry: %s\n", strerror(errno));  in alloc_latency_entry()
312         fprintf(stderr, "Could not open %s: %s\n", SYSCTL_FILE, strerror(errno));  in set_latencytop()
334         fprintf(stderr, "Could not read latency file version: %s\n", strerror(errno));  in read_latency_file()
339         fprintf(stderr, "Expected version: %s\n", EXPECTED_VERSION);  in read_latency_file()
340         fprintf(stderr, "But got version: %s", line);  in read_latency_file()
383         fprintf(stderr, "Error allocating array: %s\n", strerror(errno));  in print_latency_entries()
420     fprintf(stderr, "Usage: %s [ -d delay ] [ -n iterations ] [ -p pid [ -t tid ] ] [ -h ]\n"  in usage()