X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=fio.c;h=9a3cc94897d3c49928ef27f2dade7504c955f81a;hp=a394ff8c0d3045ad33e3fdc24f7e022a3e13bed0;hb=f423479dad8916c758792308863dcd833a1a36c8;hpb=50070b5a3b37f013a2b0b968e1b8b34bffff8589 diff --git a/fio.c b/fio.c index a394ff8c..9a3cc948 100644 --- a/fio.c +++ b/fio.c @@ -96,9 +96,15 @@ static void sig_handler(int sig) */ static int check_min_rate(struct thread_data *td, struct timeval *now) { + unsigned long long bytes = 0; unsigned long spent; unsigned long rate; - int ddir = td->ddir; + + /* + * No minimum rate set, always ok + */ + if (!td->ratemin) + return 0; /* * allow a 2 second settle period in the beginning @@ -106,6 +112,11 @@ static int check_min_rate(struct thread_data *td, struct timeval *now) if (mtime_since(&td->start, now) < 2000) return 0; + if (td_read(td)) + bytes += td->this_io_bytes[DDIR_READ]; + if (td_write(td)) + bytes += td->this_io_bytes[DDIR_WRITE]; + /* * if rate blocks is set, sample is running */ @@ -114,14 +125,19 @@ static int check_min_rate(struct thread_data *td, struct timeval *now) if (spent < td->ratecycle) return 0; - rate = (td->this_io_bytes[ddir] - td->rate_bytes) / spent; - if (rate < td->ratemin) { - fprintf(f_out, "%s: min rate %u not met, got %luKiB/sec\n", td->name, td->ratemin, rate); + if (bytes < td->rate_bytes) { + fprintf(f_out, "%s: min rate %u not met\n", td->name, td->ratemin); return 1; + } else { + rate = (bytes - td->rate_bytes) / spent; + if (rate < td->ratemin || bytes < td->rate_bytes) { + fprintf(f_out, "%s: min rate %u not met, got %luKiB/sec\n", td->name, td->ratemin, rate); + return 1; + } } } - td->rate_bytes = td->this_io_bytes[ddir]; + td->rate_bytes = bytes; memcpy(&td->lastrate, now, sizeof(*now)); return 0; } @@ -149,7 +165,7 @@ static void cleanup_pending_aio(struct thread_data *td) /* * get immediately available events, if any */ - r = io_u_queued_complete(td, 0, NULL); + r = io_u_queued_complete(td, 0); if (r < 0) return; @@ -177,7 +193,7 @@ static void cleanup_pending_aio(struct thread_data *td) } if (td->cur_depth) - r = io_u_queued_complete(td, td->cur_depth, NULL); + r = io_u_queued_complete(td, td->cur_depth); } /* @@ -203,19 +219,19 @@ static int fio_io_sync(struct thread_data *td, struct fio_file *f) requeue: ret = td_io_queue(td, io_u); if (ret < 0) { - td_verror(td, io_u->error); + td_verror(td, io_u->error, "td_io_queue"); put_io_u(td, io_u); return 1; } else if (ret == FIO_Q_QUEUED) { - if (io_u_queued_complete(td, 1, NULL) < 0) + if (io_u_queued_complete(td, 1) < 0) return 1; } else if (ret == FIO_Q_COMPLETED) { if (io_u->error) { - td_verror(td, io_u->error); + td_verror(td, io_u->error, "td_io_queue"); return 1; } - if (io_u_sync_complete(td, io_u, NULL) < 0) + if (io_u_sync_complete(td, io_u) < 0) return 1; } else if (ret == FIO_Q_BUSY) { if (td_io_commit(td)) @@ -272,6 +288,8 @@ static void do_verify(struct thread_data *td) put_io_u(td, io_u); break; } + + io_u->end_io = verify_io_u; requeue: ret = td_io_queue(td, io_u); @@ -286,7 +304,7 @@ requeue: io_u->xfer_buf += bytes; goto requeue; } - ret = io_u_sync_complete(td, io_u, verify_io_u); + ret = io_u_sync_complete(td, io_u); if (ret < 0) break; continue; @@ -298,7 +316,7 @@ requeue: break; default: assert(ret < 0); - td_verror(td, -ret); + td_verror(td, -ret, "td_io_queue"); break; } @@ -321,11 +339,16 @@ requeue: * Reap required number of io units, if any, and do the * verification on them through the callback handler */ - if (io_u_queued_complete(td, min_events, verify_io_u) < 0) + if (io_u_queued_complete(td, min_events) < 0) break; } - if (td->cur_depth) + if (!td->error) { + min_events = td->cur_depth; + + if (min_events) + ret = io_u_queued_complete(td, min_events); + } else cleanup_pending_aio(td); td_set_runstate(td, TD_RUNNING); @@ -404,7 +427,7 @@ requeue: goto requeue; } fio_gettime(&comp_time, NULL); - bytes_done = io_u_sync_complete(td, io_u, NULL); + bytes_done = io_u_sync_complete(td, io_u); if (bytes_done < 0) ret = bytes_done; break; @@ -443,7 +466,7 @@ requeue: } fio_gettime(&comp_time, NULL); - bytes_done = io_u_queued_complete(td, min_evts, NULL); + bytes_done = io_u_queued_complete(td, min_evts); if (bytes_done < 0) break; } @@ -458,12 +481,12 @@ requeue: */ usec = utime_since(&s, &comp_time); - rate_throttle(td, usec, bytes_done, td->ddir); + rate_throttle(td, usec, bytes_done); if (check_min_rate(td, &comp_time)) { if (exitall_on_terminate) terminate_threads(td->groupid, 0); - td_verror(td, ENODATA); + td_verror(td, ENODATA, "check_min_rate"); break; } @@ -487,15 +510,17 @@ requeue: if (!td->error) { struct fio_file *f; - if (td->cur_depth) - cleanup_pending_aio(td); + i = td->cur_depth; + if (i) + ret = io_u_queued_complete(td, i); if (should_fsync(td) && td->end_fsync) { td_set_runstate(td, TD_FSYNCING); for_each_file(td, f, i) fio_io_sync(td, f); } - } + } else + cleanup_pending_aio(td); } static void cleanup_io_u(struct thread_data *td) @@ -585,7 +610,7 @@ static int switch_ioscheduler(struct thread_data *td) f = fopen(tmp, "r+"); if (!f) { - td_verror(td, errno); + td_verror(td, errno, "fopen"); return 1; } @@ -594,7 +619,7 @@ static int switch_ioscheduler(struct thread_data *td) */ ret = fwrite(td->ioscheduler, strlen(td->ioscheduler), 1, f); if (ferror(f) || ret != 1) { - td_verror(td, errno); + td_verror(td, errno, "fwrite"); fclose(f); return 1; } @@ -606,7 +631,7 @@ static int switch_ioscheduler(struct thread_data *td) */ ret = fread(tmp, 1, sizeof(tmp), f); if (ferror(f) || ret < 0) { - td_verror(td, errno); + td_verror(td, errno, "fread"); fclose(f); return 1; } @@ -614,7 +639,7 @@ static int switch_ioscheduler(struct thread_data *td) sprintf(tmp2, "[%s]", td->ioscheduler); if (!strstr(tmp, tmp2)) { log_err("fio: io scheduler %s not found\n", td->ioscheduler); - td_verror(td, EINVAL); + td_verror(td, EINVAL, "iosched_switch"); fclose(f); return 1; } @@ -670,7 +695,7 @@ static void *thread_main(void *data) goto err; if (fio_setaffinity(td) == -1) { - td_verror(td, errno); + td_verror(td, errno, "cpu_set_affinity"); goto err; } @@ -679,13 +704,13 @@ static void *thread_main(void *data) if (td->ioprio) { if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { - td_verror(td, errno); + td_verror(td, errno, "ioprio_set"); goto err; } } if (nice(td->nice) == -1) { - td_verror(td, errno); + td_verror(td, errno, "nice"); goto err; } @@ -736,10 +761,11 @@ static void *thread_main(void *data) else do_io(td); - runtime[td->ddir] += utime_since_now(&td->start); - if (td_rw(td) && td->io_bytes[td->ddir ^ 1]) - runtime[td->ddir ^ 1] = runtime[td->ddir]; - + if (td_read(td) && td->io_bytes[DDIR_READ]) + runtime[DDIR_READ] += utime_since_now(&td->start); + if (td_write(td) && td->io_bytes[DDIR_WRITE]) + runtime[DDIR_WRITE] += utime_since_now(&td->start); + if (td->error || td->terminate) break; @@ -824,7 +850,7 @@ static void reap_threads(int *nr_running, int *t_rate, int *m_rate) */ pending = cputhreads = 0; for_each_td(td, i) { - int flags; + int flags = 0; /* * ->io_ops is NULL for a thread that has closed its @@ -835,6 +861,13 @@ static void reap_threads(int *nr_running, int *t_rate, int *m_rate) if (!td->pid || td->runstate == TD_REAPED) continue; + if (td->use_thread) { + if (td->runstate == TD_EXITED) { + td_set_runstate(td, TD_REAPED); + goto reaped; + } + continue; + } flags = WNOHANG; if (td->runstate == TD_EXITED) @@ -844,7 +877,7 @@ static void reap_threads(int *nr_running, int *t_rate, int *m_rate) * check if someone quit or got killed in an unusual way */ ret = waitpid(td->pid, &status, flags); - if (ret < 0 && !td->use_thread) { + if (ret < 0) { if (errno == ECHILD) { log_err("fio: pid=%d disappeared %d\n", td->pid, td->runstate); td_set_runstate(td, TD_REAPED); @@ -862,12 +895,7 @@ static void reap_threads(int *nr_running, int *t_rate, int *m_rate) if (WIFEXITED(status)) { if (WEXITSTATUS(status) && !td->error) td->error = WEXITSTATUS(status); - if (td->use_thread) { - long ret; - if (pthread_join(td->thread, (void *) &ret)) - perror("pthread_join"); - } td_set_runstate(td, TD_REAPED); goto reaped; } @@ -878,6 +906,13 @@ static void reap_threads(int *nr_running, int *t_rate, int *m_rate) */ continue; reaped: + if (td->use_thread) { + long ret; + + if (pthread_join(td->thread, (void *) &ret)) + perror("pthread_join"); + } + (*nr_running)--; (*m_rate) -= td->ratemin; (*t_rate) -= td->rate;