X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=fio.c;h=93482f5294ed55c245e25a0e98f8151fe7354ced;hp=728addd614e70aafa2548a7914619052abe06d9f;hb=ecc314ba7c5f02b7e90ac1dfbce1a74cd4e6d6fe;hpb=e0b0d89201bd301f47fbbfcf86545b7e77b16ef3 diff --git a/fio.c b/fio.c index 728addd6..93482f52 100644 --- a/fio.c +++ b/fio.c @@ -28,6 +28,7 @@ #include #include #include +#include #include #include #include @@ -38,8 +39,11 @@ #include "hash.h" #include "smalloc.h" #include "verify.h" +#include "trim.h" #include "diskutil.h" #include "cgroup.h" +#include "profile.h" +#include "lib/rand.h" unsigned long page_mask; unsigned long page_size; @@ -59,7 +63,7 @@ static struct fio_mutex *startup_mutex; static struct fio_mutex *writeout_mutex; static volatile int fio_abort; static int exit_value; -static struct itimerval itimer; +static timer_t ival_timer; static pthread_t gtod_thread; static struct flist_head *cgroup_list; static char *cgroup_mnt; @@ -97,12 +101,12 @@ static void terminate_threads(int group_id) * if the thread is running, just let it exit */ if (td->runstate < TD_RUNNING) - kill(td->pid, SIGQUIT); + kill(td->pid, SIGTERM); else { struct ioengine_ops *ops = td->io_ops; - if (ops && (ops->flags & FIO_SIGQUIT)) - kill(td->pid, SIGQUIT); + if (ops && (ops->flags & FIO_SIGTERM)) + kill(td->pid, SIGTERM); } } } @@ -110,17 +114,21 @@ static void terminate_threads(int group_id) static void status_timer_arm(void) { - itimer.it_value.tv_sec = 0; - itimer.it_value.tv_usec = DISK_UTIL_MSEC * 1000; - setitimer(ITIMER_REAL, &itimer, NULL); + struct itimerspec value; + + value.it_value.tv_sec = 0; + value.it_value.tv_nsec = DISK_UTIL_MSEC * 1000000; + value.it_interval.tv_sec = 0; + value.it_interval.tv_nsec = DISK_UTIL_MSEC * 1000000; + + timer_settime(ival_timer, 0, &value, NULL); } -static void sig_alrm(int fio_unused sig) +static void ival_fn(union sigval sig) { if (threads) { update_io_ticks(); print_thread_status(); - status_timer_arm(); } } @@ -134,46 +142,43 @@ static void sig_quit(int sig) static void sig_int(int sig) { if (threads) { - printf("\nfio: terminating on signal %d\n", sig); + log_info("\nfio: terminating on signal %d\n", sig); fflush(stdout); terminate_threads(TERMINATE_ALL); } } -static void sig_ill(int fio_unused sig) +static void posix_timer_teardown(void) { - if (!threads) - return; + timer_delete(ival_timer); +} + +static void posix_timer_setup(void) +{ + struct sigevent evt; + + memset(&evt, 0, sizeof(evt)); + evt.sigev_notify = SIGEV_THREAD; + evt.sigev_notify_function = ival_fn; + + if (timer_create(FIO_TIMER_CLOCK, &evt, &ival_timer) < 0) + perror("timer_create"); - log_err("fio: illegal instruction. your cpu does not support " - "the sse4.2 instruction for crc32c\n"); - terminate_threads(TERMINATE_ALL); - exit(4); } static void set_sig_handlers(void) { struct sigaction act; - memset(&act, 0, sizeof(act)); - act.sa_handler = sig_alrm; - act.sa_flags = SA_RESTART; - sigaction(SIGALRM, &act, NULL); - memset(&act, 0, sizeof(act)); act.sa_handler = sig_int; act.sa_flags = SA_RESTART; sigaction(SIGINT, &act, NULL); - memset(&act, 0, sizeof(act)); - act.sa_handler = sig_ill; - act.sa_flags = SA_RESTART; - sigaction(SIGILL, &act, NULL); - memset(&act, 0, sizeof(act)); act.sa_handler = sig_quit; act.sa_flags = SA_RESTART; - sigaction(SIGQUIT, &act, NULL); + sigaction(SIGTERM, &act, NULL); } /* @@ -190,6 +195,8 @@ static int __check_min_rate(struct thread_data *td, struct timeval *now, unsigned int rate_iops = 0; unsigned int rate_iops_min = 0; + assert(ddir_rw(ddir)); + if (!td->o.ratemin[ddir] && !td->o.rate_iops_min[ddir]) return 0; @@ -432,6 +439,8 @@ static void do_verify(struct thread_data *td) int ret, min_events; unsigned int i; + dprint(FD_VERIFY, "starting loop\n"); + /* * sync io first and invalidate cache, to make sure we really * read from disk. @@ -503,7 +512,8 @@ static void do_verify(struct thread_data *td) io_u->xfer_buf += bytes; io_u->offset += bytes; - td->ts.short_io_u[io_u->ddir]++; + if (ddir_rw(io_u->ddir)) + td->ts.short_io_u[io_u->ddir]++; if (io_u->offset == f->real_file_size) goto sync_done; @@ -569,6 +579,8 @@ sync_done: cleanup_pending_aio(td); td_set_runstate(td, TD_RUNNING); + + dprint(FD_VERIFY, "exiting loop\n"); } /* @@ -586,6 +598,7 @@ static void do_io(struct thread_data *td) td_set_runstate(td, TD_RUNNING); while ( (td->o.read_iolog_file && !flist_empty(&td->io_log_list)) || + (!flist_empty(&td->trim_list)) || ((td->this_io_bytes[0] + td->this_io_bytes[1]) < td->o.size) ) { struct timeval comp_time; unsigned long bytes_done[2] = { 0, 0 }; @@ -646,7 +659,8 @@ static void do_io(struct thread_data *td) io_u->xfer_buf += bytes; io_u->offset += bytes; - td->ts.short_io_u[io_u->ddir]++; + if (ddir_rw(io_u->ddir)) + td->ts.short_io_u[io_u->ddir]++; if (io_u->offset == f->real_file_size) goto sync_done; @@ -740,6 +754,9 @@ sync_done: } } + if (td->trim_entries) + printf("trim entries %ld\n", td->trim_entries); + if (td->o.fill_device && td->error == ENOSPC) { td->error = 0; td->terminate = 1; @@ -812,7 +829,8 @@ static int init_io_u(struct thread_data *td) if (allocate_io_mem(td)) return 1; - if (td->o.odirect || td->o.mem_align) + if (td->o.odirect || td->o.mem_align || + (td->io_ops->flags & FIO_RAWIO)) p = PAGE_ALIGN(td->orig_buffer) + td->o.mem_align; else p = td->orig_buffer; @@ -841,6 +859,13 @@ static int init_io_u(struct thread_data *td) if (td_write(td) && !td->o.refill_buffers) io_u_fill_buffer(td, io_u, max_bs); + else if (td_write(td) && td->o.verify_pattern_bytes) { + /* + * Fill the buffer with the pattern if we are + * going to be doing writes. + */ + fill_pattern(td, io_u->buf, max_bs, io_u); + } } io_u->index = i; @@ -965,6 +990,8 @@ void reset_all_stats(struct thread_data *td) } fio_gettime(&tv, NULL); + td->ts.runtime[0] = 0; + td->ts.runtime[1] = 0; memcpy(&td->epoch, &tv, sizeof(tv)); memcpy(&td->start, &tv, sizeof(tv)); } @@ -1003,7 +1030,7 @@ static int exec_string(const char *string) */ static void *thread_main(void *data) { - unsigned long long runtime[2], elapsed; + unsigned long long elapsed; struct thread_data *td = data; pthread_condattr_t attr; int clear_state; @@ -1021,6 +1048,7 @@ static void *thread_main(void *data) INIT_FLIST_HEAD(&td->io_log_list); INIT_FLIST_HEAD(&td->io_hist_list); INIT_FLIST_HEAD(&td->verify_list); + INIT_FLIST_HEAD(&td->trim_list); pthread_mutex_init(&td->io_u_lock, NULL); td->io_hist_tree = RB_ROOT; @@ -1120,7 +1148,6 @@ static void *thread_main(void *data) fio_gettime(&td->epoch, NULL); getrusage(RUSAGE_SELF, &td->ts.ru_start); - runtime[0] = runtime[1] = 0; clear_state = 0; while (keep_running(td)) { fio_gettime(&td->start, NULL); @@ -1145,11 +1172,11 @@ static void *thread_main(void *data) if (td_read(td) && td->io_bytes[DDIR_READ]) { elapsed = utime_since_now(&td->start); - runtime[DDIR_READ] += elapsed; + td->ts.runtime[DDIR_READ] += elapsed; } if (td_write(td) && td->io_bytes[DDIR_WRITE]) { elapsed = utime_since_now(&td->start); - runtime[DDIR_WRITE] += elapsed; + td->ts.runtime[DDIR_WRITE] += elapsed; } if (td->error || td->terminate) @@ -1166,15 +1193,15 @@ static void *thread_main(void *data) do_verify(td); - runtime[DDIR_READ] += utime_since_now(&td->start); + td->ts.runtime[DDIR_READ] += utime_since_now(&td->start); if (td->error || td->terminate) break; } update_rusage_stat(td); - td->ts.runtime[0] = (runtime[0] + 999) / 1000; - td->ts.runtime[1] = (runtime[1] + 999) / 1000; + td->ts.runtime[0] = (td->ts.runtime[0] + 999) / 1000; + td->ts.runtime[1] = (td->ts.runtime[1] + 999) / 1000; td->ts.total_run_time = mtime_since_now(&td->epoch); td->ts.io_bytes[0] = td->io_bytes[0]; td->ts.io_bytes[1] = td->io_bytes[1]; @@ -1187,6 +1214,13 @@ static void *thread_main(void *data) } else finish_log(td, td->ts.bw_log, "bw"); } + if (td->ts.lat_log) { + if (td->o.lat_log_file) { + finish_log_named(td, td->ts.lat_log, + td->o.lat_log_file, "lat"); + } else + finish_log(td, td->ts.lat_log, "lat"); + } if (td->ts.slat_log) { if (td->o.lat_log_file) { finish_log_named(td, td->ts.slat_log, @@ -1210,7 +1244,7 @@ static void *thread_main(void *data) err: if (td->error) - printf("fio: pid=%d, err=%d/%s\n", (int) td->pid, td->error, + log_info("fio: pid=%d, err=%d/%s\n", (int) td->pid, td->error, td->verror); if (td->o.verify_async) @@ -1319,7 +1353,7 @@ static void reap_threads(int *nr_running, int *t_rate, int *m_rate) if (WIFSIGNALED(status)) { int sig = WTERMSIG(status); - if (sig != SIGQUIT) + if (sig != SIGTERM) log_err("fio: pid=%d, got signal=%d\n", (int) td->pid, sig); td_set_runstate(td, TD_REAPED); @@ -1376,9 +1410,13 @@ static void *gtod_thread_main(void *data) static int fio_start_gtod_thread(void) { + pthread_attr_t attr; int ret; - ret = pthread_create(>od_thread, NULL, gtod_thread_main, NULL); + pthread_attr_init(&attr); + pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); + ret = pthread_create(>od_thread, &attr, gtod_thread_main, NULL); + pthread_attr_destroy(&attr); if (ret) { log_err("Can't create gtod thread: %s\n", strerror(ret)); return 1; @@ -1412,17 +1450,17 @@ static void run_threads(void) return; if (!terse_output) { - printf("Starting "); + log_info("Starting "); if (nr_thread) - printf("%d thread%s", nr_thread, + log_info("%d thread%s", nr_thread, nr_thread > 1 ? "s" : ""); if (nr_process) { if (nr_thread) printf(" and "); - printf("%d process%s", nr_process, + log_info("%d process%s", nr_process, nr_process > 1 ? "es" : ""); } - printf("\n"); + log_info("\n"); fflush(stdout); } @@ -1631,6 +1669,7 @@ int main(int argc, char *argv[]) long ps; sinit(); + init_rand(&__fio_rand_state); /* * We need locale for number printing, if it isn't set then just @@ -1653,6 +1692,9 @@ int main(int argc, char *argv[]) if (parse_options(argc, argv)) return 1; + if (exec_profile && load_profile(exec_profile)) + return 1; + if (!thread_number) return 0; @@ -1662,10 +1704,15 @@ int main(int argc, char *argv[]) } startup_mutex = fio_mutex_init(0); + if (startup_mutex == NULL) + return 1; writeout_mutex = fio_mutex_init(1); + if (writeout_mutex == NULL) + return 1; set_genesis_time(); + posix_timer_setup(); status_timer_arm(); cgroup_list = smalloc(sizeof(*cgroup_list)); @@ -1684,9 +1731,9 @@ int main(int argc, char *argv[]) cgroup_kill(cgroup_list); sfree(cgroup_list); - if (cgroup_mnt) - sfree(cgroup_mnt); + sfree(cgroup_mnt); + posix_timer_teardown(); fio_mutex_remove(startup_mutex); fio_mutex_remove(writeout_mutex); return exit_value;