X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=fio.c;h=0b0a5e8e540851e032e0004e23175b7cfcd798e3;hp=dd52626469a0358cdbacc062d02058b19f148825;hb=13ddcb2b0b4db9d86fb859ad93f50d89a3f9f61a;hpb=8da99b32a71f8b7edcb94d9fd42a605129ffa414 diff --git a/fio.c b/fio.c index dd526264..0b0a5e8e 100644 --- a/fio.c +++ b/fio.c @@ -37,9 +37,9 @@ #include "fio.h" #include "os.h" -#define MASK (4095) - -#define ALIGN(buf) (char *) (((unsigned long) (buf) + MASK) & ~(MASK)) +static unsigned long page_mask; +#define ALIGN(buf) \ + (char *) (((unsigned long) (buf) + page_mask) & ~page_mask) int groupid = 0; int thread_number = 0; @@ -47,11 +47,19 @@ int shm_id = 0; int temp_stall_ts; static volatile int startup_sem; +static volatile int fio_abort; + +struct io_log *agg_io_log[2]; #define TERMINATE_ALL (-1) #define JOB_START_TIMEOUT (5 * 1000) -static void terminate_threads(int group_id) +static inline void td_set_runstate(struct thread_data *td, int runstate) +{ + td->runstate = runstate; +} + +static void terminate_threads(int group_id, int forced_kill) { struct thread_data *td; int i; @@ -60,6 +68,8 @@ static void terminate_threads(int group_id) if (group_id == TERMINATE_ALL || groupid == td->groupid) { td->terminate = 1; td->start_delay = 0; + if (forced_kill) + td_set_runstate(td, TD_EXITED); } } } @@ -73,9 +83,9 @@ static void sig_handler(int sig) print_thread_status(); break; default: - printf("\nfio: terminating on signal\n"); + printf("\nfio: terminating on signal %d\n", sig); fflush(stdout); - terminate_threads(TERMINATE_ALL); + terminate_threads(TERMINATE_ALL, 0); break; } } @@ -125,11 +135,6 @@ static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) return 0; } -static inline void td_set_runstate(struct thread_data *td, int runstate) -{ - td->runstate = runstate; -} - static struct fio_file *get_next_file(struct thread_data *td) { unsigned int old_next_file = td->next_file; @@ -396,11 +401,22 @@ static void do_io(struct thread_data *td) memcpy(&s, &io_u->start_time, sizeof(s)); +requeue: ret = td_io_queue(td, io_u); if (ret) { - td_verror(td, io_u->error); - put_io_u(td, io_u); - break; + if (ret > 0 && (io_u->xfer_buflen != io_u->resid) && + io_u->resid) { + /* + * short read/write. requeue. + */ + io_u->xfer_buflen = io_u->resid; + io_u->xfer_buf += ret; + goto requeue; + } else { + td_verror(td, io_u->error); + put_io_u(td, io_u); + break; + } } add_slat_sample(td, io_u->ddir, mtime_since(&io_u->start_time, &io_u->issue_time)); @@ -440,8 +456,8 @@ static void do_io(struct thread_data *td) if (check_min_rate(td, &icd.time)) { if (exitall_on_terminate) - terminate_threads(td->groupid); - td_verror(td, ENOMEM); + terminate_threads(td->groupid, 0); + td_verror(td, ENODATA); break; } @@ -518,7 +534,7 @@ static int init_io_u(struct thread_data *td) if (td->mem_type == MEM_SHMHUGE || td->mem_type == MEM_MMAPHUGE) td->orig_buffer_size = (td->orig_buffer_size + td->hugepage_size - 1) & ~(td->hugepage_size - 1); else - td->orig_buffer_size += MASK; + td->orig_buffer_size += page_mask; if (allocate_io_mem(td)) return 1; @@ -637,9 +653,6 @@ static void *thread_main(void *data) goto err; } - if (td_io_init(td)) - goto err; - if (init_iolog(td)) goto err; @@ -670,8 +683,17 @@ static void *thread_main(void *data) if (open_files(td)) goto err; - if (td->exec_prerun) - system(td->exec_prerun); + /* + * Do this late, as some IO engines would like to have the + * files setup prior to initializing structures. + */ + if (td_io_init(td)) + goto err; + + if (td->exec_prerun) { + if (system(td->exec_prerun) < 0) + goto err; + } fio_gettime(&td->epoch, NULL); getrusage(RUSAGE_SELF, &td->ru_start); @@ -726,11 +748,13 @@ static void *thread_main(void *data) finish_log(td, td->clat_log, "clat"); if (td->write_iolog_file) write_iolog_close(td); - if (td->exec_postrun) - system(td->exec_postrun); + if (td->exec_postrun) { + if (system(td->exec_postrun) < 0) + log_err("fio: postrun %s failed\n", td->exec_postrun); + } if (exitall_on_terminate) - terminate_threads(td->groupid); + terminate_threads(td->groupid, 0); err: close_files(td); @@ -805,7 +829,7 @@ static void reap_threads(int *nr_running, int *t_rate, int *m_rate) } if (*nr_running == cputhreads && !pending) - terminate_threads(TERMINATE_ALL); + terminate_threads(TERMINATE_ALL, 0); } /* @@ -836,10 +860,10 @@ static void run_threads(void) for_each_td(td, i) { print_status_init(td->thread_number - 1); - init_disk_util(td); - - if (!td->create_serialize) + if (!td->create_serialize) { + init_disk_util(td); continue; + } /* * do file setup here so it happens sequentially, @@ -850,6 +874,8 @@ static void run_threads(void) td_set_runstate(td, TD_REAPED); todo--; } + + init_disk_util(td); } while (todo) { @@ -913,7 +939,7 @@ static void run_threads(void) */ fio_gettime(&this_start, NULL); left = this_jobs; - while (left) { + while (left && !fio_abort) { if (mtime_since_now(&this_start) > JOB_START_TIMEOUT) break; @@ -979,6 +1005,8 @@ static void run_threads(void) int main(int argc, char *argv[]) { + long ps; + if (parse_options(argc, argv)) return 1; @@ -987,10 +1015,30 @@ int main(int argc, char *argv[]) return 1; } + ps = sysconf(_SC_PAGESIZE); + if (ps < 0) { + log_err("Failed to get page size\n"); + return 1; + } + + page_mask = ps - 1; + + if (write_bw_log) { + setup_log(&agg_io_log[DDIR_READ]); + setup_log(&agg_io_log[DDIR_WRITE]); + } + disk_util_timer_arm(); run_threads(); - show_run_stats(); + + if (!fio_abort) { + show_run_stats(); + if (write_bw_log) { + __finish_log(agg_io_log[DDIR_READ],"agg-read_bw.log"); + __finish_log(agg_io_log[DDIR_WRITE],"agg-write_bw.log"); + } + } return 0; }