Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1 | #ifndef FIO_H |
| 2 | #define FIO_H |
| 3 | |
| 4 | #include <sched.h> |
| 5 | #include <limits.h> |
| 6 | #include <pthread.h> |
| 7 | #include <sys/time.h> |
| 8 | #include <sys/resource.h> |
Jens Axboe | 3c39a37 | 2006-06-06 20:56:12 +0200 | [diff] [blame] | 9 | #include <errno.h> |
| 10 | #include <stdlib.h> |
| 11 | #include <stdio.h> |
Jens Axboe | 6d6f031 | 2006-06-07 21:39:13 +0200 | [diff] [blame] | 12 | #include <unistd.h> |
Jens Axboe | 34cfcda | 2006-11-03 14:00:45 +0100 | [diff] [blame] | 13 | #include <string.h> |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 14 | #include <inttypes.h> |
Jens Axboe | 7101d9c | 2007-09-12 13:12:39 +0200 | [diff] [blame] | 15 | #include <assert.h> |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 16 | |
Jens Axboe | 317b95d | 2007-04-02 21:36:44 +0200 | [diff] [blame] | 17 | #include "compiler/compiler.h" |
Jens Axboe | 8062f52 | 2013-04-10 15:01:42 +0200 | [diff] [blame] | 18 | #include "thread_options.h" |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 19 | #include "flist.h" |
Jens Axboe | e288756 | 2007-05-16 09:25:09 +0200 | [diff] [blame] | 20 | #include "fifo.h" |
Jens Axboe | 317b95d | 2007-04-02 21:36:44 +0200 | [diff] [blame] | 21 | #include "arch/arch.h" |
| 22 | #include "os/os.h" |
Jens Axboe | 07739b5 | 2007-03-08 20:25:46 +0100 | [diff] [blame] | 23 | #include "mutex.h" |
Jens Axboe | a3d741f | 2008-02-27 18:32:33 +0100 | [diff] [blame] | 24 | #include "log.h" |
| 25 | #include "debug.h" |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 26 | #include "file.h" |
| 27 | #include "io_ddir.h" |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 28 | #include "ioengines.h" |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 29 | #include "iolog.h" |
Jens Axboe | c5c8bd5 | 2009-11-24 13:01:41 +0100 | [diff] [blame] | 30 | #include "helpers.h" |
Jens Axboe | 07b3232 | 2010-03-05 09:48:44 +0100 | [diff] [blame] | 31 | #include "options.h" |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 32 | #include "profile.h" |
Daniel Gollub | ef3c94b | 2014-04-30 11:25:04 +0200 | [diff] [blame] | 33 | #include "fio_time.h" |
Jens Axboe | a734681 | 2012-02-09 15:02:39 +0100 | [diff] [blame] | 34 | #include "gettime.h" |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 35 | #include "oslib/getopt.h" |
Jens Axboe | 2615cc4 | 2011-03-28 09:35:09 +0200 | [diff] [blame] | 36 | #include "lib/rand.h" |
Jens Axboe | 7fb6d45 | 2013-04-10 20:48:31 +0200 | [diff] [blame] | 37 | #include "lib/rbtree.h" |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 38 | #include "lib/num2str.h" |
Stephen M. Cameron | dd36672 | 2012-02-24 08:17:30 +0100 | [diff] [blame] | 39 | #include "client.h" |
Jens Axboe | 37db14f | 2011-09-30 17:00:42 -0600 | [diff] [blame] | 40 | #include "server.h" |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 41 | #include "stat.h" |
Dan Ehrenberg | 9e684a4 | 2012-02-20 11:05:14 +0100 | [diff] [blame] | 42 | #include "flow.h" |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 43 | #include "io_u.h" |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 44 | #include "io_u_queue.h" |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 45 | #include "workqueue.h" |
| 46 | #include "steadystate.h" |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 47 | |
Jens Axboe | 4700b23 | 2013-01-24 15:33:33 -0700 | [diff] [blame] | 48 | #ifdef CONFIG_SOLARISAIO |
Jens Axboe | 417f006 | 2008-06-02 11:59:30 +0200 | [diff] [blame] | 49 | #include <sys/asynch.h> |
| 50 | #endif |
| 51 | |
Jens Axboe | 67bf982 | 2013-01-10 11:23:19 +0100 | [diff] [blame] | 52 | #ifdef CONFIG_LIBNUMA |
Yufei Ren | d0b937e | 2012-10-19 23:11:52 -0400 | [diff] [blame] | 53 | #include <linux/mempolicy.h> |
| 54 | #include <numa.h> |
| 55 | |
| 56 | /* |
| 57 | * "local" is pseudo-policy |
| 58 | */ |
| 59 | #define MPOL_LOCAL MPOL_MAX |
| 60 | #endif |
| 61 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 62 | #ifdef CONFIG_CUDA |
| 63 | #include <cuda.h> |
| 64 | #endif |
| 65 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 66 | /* |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 67 | * offset generator types |
| 68 | */ |
| 69 | enum { |
| 70 | RW_SEQ_SEQ = 0, |
| 71 | RW_SEQ_IDENT, |
| 72 | }; |
| 73 | |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 74 | enum { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 75 | TD_F_VER_BACKLOG = 1U << 0, |
| 76 | TD_F_TRIM_BACKLOG = 1U << 1, |
| 77 | TD_F_READ_IOLOG = 1U << 2, |
| 78 | TD_F_REFILL_BUFFERS = 1U << 3, |
| 79 | TD_F_SCRAMBLE_BUFFERS = 1U << 4, |
| 80 | TD_F_VER_NONE = 1U << 5, |
| 81 | TD_F_PROFILE_OPS = 1U << 6, |
| 82 | TD_F_COMPRESS = 1U << 7, |
| 83 | TD_F_RESERVED = 1U << 8, /* not used */ |
| 84 | TD_F_COMPRESS_LOG = 1U << 9, |
| 85 | TD_F_VSTATE_SAVED = 1U << 10, |
| 86 | TD_F_NEED_LOCK = 1U << 11, |
| 87 | TD_F_CHILD = 1U << 12, |
| 88 | TD_F_NO_PROGRESS = 1U << 13, |
| 89 | TD_F_REGROW_LOGS = 1U << 14, |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 90 | }; |
| 91 | |
Jens Axboe | d24945f | 2012-12-04 13:10:29 +0100 | [diff] [blame] | 92 | enum { |
| 93 | FIO_RAND_BS_OFF = 0, |
| 94 | FIO_RAND_VER_OFF, |
| 95 | FIO_RAND_MIX_OFF, |
| 96 | FIO_RAND_FILE_OFF, |
| 97 | FIO_RAND_BLOCK_OFF, |
| 98 | FIO_RAND_FILE_SIZE_OFF, |
| 99 | FIO_RAND_TRIM_OFF, |
| 100 | FIO_RAND_BUF_OFF, |
Jens Axboe | d947227 | 2013-07-25 10:20:45 -0600 | [diff] [blame] | 101 | FIO_RAND_SEQ_RAND_READ_OFF, |
| 102 | FIO_RAND_SEQ_RAND_WRITE_OFF, |
| 103 | FIO_RAND_SEQ_RAND_TRIM_OFF, |
Christian Ehrhardt | 23ed19b | 2014-02-20 09:07:02 -0800 | [diff] [blame] | 104 | FIO_RAND_START_DELAY, |
Jens Axboe | e66dac2 | 2014-09-22 10:02:07 -0600 | [diff] [blame] | 105 | FIO_DEDUPE_OFF, |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 106 | FIO_RAND_POISSON_OFF, |
| 107 | FIO_RAND_ZONE_OFF, |
| 108 | FIO_RAND_POISSON2_OFF, |
| 109 | FIO_RAND_POISSON3_OFF, |
Jens Axboe | d24945f | 2012-12-04 13:10:29 +0100 | [diff] [blame] | 110 | FIO_RAND_NR_OFFS, |
| 111 | }; |
| 112 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 113 | enum { |
| 114 | IO_MODE_INLINE = 0, |
| 115 | IO_MODE_OFFLOAD = 1, |
| 116 | |
| 117 | RATE_PROCESS_LINEAR = 0, |
| 118 | RATE_PROCESS_POISSON = 1, |
| 119 | }; |
| 120 | |
| 121 | enum { |
| 122 | F_ADV_NONE = 0, |
| 123 | F_ADV_TYPE, |
| 124 | F_ADV_RANDOM, |
| 125 | F_ADV_SEQUENTIAL, |
| 126 | }; |
| 127 | |
| 128 | /* |
| 129 | * Per-thread/process specific data. Only used for the network client |
| 130 | * for now. |
| 131 | */ |
| 132 | void sk_out_assign(struct sk_out *); |
| 133 | void sk_out_drop(void); |
| 134 | |
| 135 | struct zone_split_index { |
| 136 | uint8_t size_perc; |
| 137 | uint8_t size_perc_prev; |
| 138 | }; |
| 139 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 140 | /* |
| 141 | * This describes a single thread/process executing a fio job. |
| 142 | */ |
| 143 | struct thread_data { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 144 | struct flist_head opt_list; |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 145 | unsigned long flags; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 146 | struct thread_options o; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 147 | void *eo; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 148 | pthread_t thread; |
Jens Axboe | 2f122b1 | 2012-03-15 13:10:19 +0100 | [diff] [blame] | 149 | unsigned int thread_number; |
Jiri Horky | 5a65b4e | 2014-07-25 09:55:03 +0200 | [diff] [blame] | 150 | unsigned int subjob_number; |
Jens Axboe | 2f122b1 | 2012-03-15 13:10:19 +0100 | [diff] [blame] | 151 | unsigned int groupid; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 152 | struct thread_stat ts; |
Jens Axboe | 7b9f733 | 2011-10-03 10:06:44 +0200 | [diff] [blame] | 153 | |
Jens Axboe | 46bcd49 | 2012-03-14 11:31:21 +0100 | [diff] [blame] | 154 | int client_type; |
| 155 | |
Jens Axboe | 7b9f733 | 2011-10-03 10:06:44 +0200 | [diff] [blame] | 156 | struct io_log *slat_log; |
| 157 | struct io_log *clat_log; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 158 | struct io_log *clat_hist_log; |
Jens Axboe | 7b9f733 | 2011-10-03 10:06:44 +0200 | [diff] [blame] | 159 | struct io_log *lat_log; |
| 160 | struct io_log *bw_log; |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 161 | struct io_log *iops_log; |
Jens Axboe | 7b9f733 | 2011-10-03 10:06:44 +0200 | [diff] [blame] | 162 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 163 | struct workqueue log_compress_wq; |
| 164 | |
| 165 | struct thread_data *parent; |
Jens Axboe | 38a812d | 2014-07-03 09:10:39 -0600 | [diff] [blame] | 166 | |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 167 | uint64_t stat_io_bytes[DDIR_RWDIR_CNT]; |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 168 | struct timeval bw_sample_time; |
| 169 | |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 170 | uint64_t stat_io_blocks[DDIR_RWDIR_CNT]; |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 171 | struct timeval iops_sample_time; |
Jens Axboe | f0505a1 | 2011-10-03 12:12:03 +0200 | [diff] [blame] | 172 | |
Jens Axboe | c97f1ad | 2013-03-28 15:08:49 -0600 | [diff] [blame] | 173 | volatile int update_rusage; |
| 174 | struct fio_mutex *rusage_sem; |
Jens Axboe | c8aaba1 | 2011-10-03 12:14:19 +0200 | [diff] [blame] | 175 | struct rusage ru_start; |
| 176 | struct rusage ru_end; |
| 177 | |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 178 | struct fio_file **files; |
Jens Axboe | d7df1d1 | 2013-03-20 19:57:01 -0600 | [diff] [blame] | 179 | unsigned char *file_locks; |
Jens Axboe | dd87b2c | 2009-03-04 15:28:31 +0100 | [diff] [blame] | 180 | unsigned int files_size; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 181 | unsigned int files_index; |
| 182 | unsigned int nr_open_files; |
Jens Axboe | 1020a13 | 2007-03-29 11:15:06 +0200 | [diff] [blame] | 183 | unsigned int nr_done_files; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 184 | unsigned int nr_normal_files; |
| 185 | union { |
| 186 | unsigned int next_file; |
Jens Axboe | f678701 | 2014-11-05 18:39:23 -0700 | [diff] [blame] | 187 | struct frand_state next_file_state; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 188 | }; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 189 | union { |
| 190 | struct zipf_state next_file_zipf; |
| 191 | struct gauss_state next_file_gauss; |
| 192 | }; |
| 193 | union { |
| 194 | double zipf_theta; |
| 195 | double pareto_h; |
| 196 | double gauss_dev; |
| 197 | }; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 198 | int error; |
Jens Axboe | a5e371a | 2012-04-02 09:47:09 -0700 | [diff] [blame] | 199 | int sig; |
Jens Axboe | 20e354e | 2007-07-23 14:36:16 +0200 | [diff] [blame] | 200 | int done; |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 201 | int stop_io; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 202 | pid_t pid; |
| 203 | char *orig_buffer; |
| 204 | size_t orig_buffer_size; |
| 205 | volatile int terminate; |
| 206 | volatile int runstate; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 207 | unsigned int last_was_sync; |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 208 | enum fio_ddir last_ddir; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 209 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 210 | int mmapfd; |
| 211 | |
Jens Axboe | 843a741 | 2006-06-01 21:14:21 -0700 | [diff] [blame] | 212 | void *iolog_buf; |
| 213 | FILE *iolog_f; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 214 | |
Jens Axboe | d24945f | 2012-12-04 13:10:29 +0100 | [diff] [blame] | 215 | unsigned long rand_seeds[FIO_RAND_NR_OFFS]; |
Jens Axboe | 5bfc35d | 2009-04-07 13:28:12 +0200 | [diff] [blame] | 216 | |
Jens Axboe | f678701 | 2014-11-05 18:39:23 -0700 | [diff] [blame] | 217 | struct frand_state bsrange_state; |
| 218 | struct frand_state verify_state; |
| 219 | struct frand_state trim_state; |
| 220 | struct frand_state delay_state; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 221 | |
Jens Axboe | 3545a10 | 2011-08-31 15:20:15 -0600 | [diff] [blame] | 222 | struct frand_state buf_state; |
Jens Axboe | e66dac2 | 2014-09-22 10:02:07 -0600 | [diff] [blame] | 223 | struct frand_state buf_state_prev; |
| 224 | struct frand_state dedupe_state; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 225 | struct frand_state zone_state; |
| 226 | |
| 227 | struct zone_split_index **zone_state_index; |
Jens Axboe | 3545a10 | 2011-08-31 15:20:15 -0600 | [diff] [blame] | 228 | |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 229 | unsigned int verify_batch; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 230 | unsigned int trim_batch; |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 231 | |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 232 | struct thread_io_list *vstate; |
| 233 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 234 | int shm_id; |
| 235 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 236 | /* |
| 237 | * IO engine hooks, contains everything needed to submit an io_u |
| 238 | * to any of the available IO engines. |
| 239 | */ |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 240 | struct ioengine_ops *io_ops; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 241 | int io_ops_init; |
| 242 | |
| 243 | /* |
| 244 | * IO engine private data and dlhandle. |
| 245 | */ |
| 246 | void *io_ops_data; |
| 247 | void *io_ops_dlhandle; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 248 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 249 | /* |
Ryan Marchand | 422f9e4 | 2012-01-31 14:05:32 +0100 | [diff] [blame] | 250 | * Queue depth of io_u's that fio MIGHT do |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 251 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 252 | unsigned int cur_depth; |
Ryan Marchand | 422f9e4 | 2012-01-31 14:05:32 +0100 | [diff] [blame] | 253 | |
| 254 | /* |
| 255 | * io_u's about to be committed |
| 256 | */ |
Jens Axboe | d800575 | 2008-05-15 09:49:09 +0200 | [diff] [blame] | 257 | unsigned int io_u_queued; |
Ryan Marchand | 422f9e4 | 2012-01-31 14:05:32 +0100 | [diff] [blame] | 258 | |
| 259 | /* |
| 260 | * io_u's submitted but not completed yet |
| 261 | */ |
| 262 | unsigned int io_u_in_flight; |
| 263 | |
| 264 | /* |
| 265 | * List of free and busy io_u's |
| 266 | */ |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 267 | struct io_u_ring io_u_requeues; |
| 268 | struct io_u_queue io_u_freelist; |
| 269 | struct io_u_queue io_u_all; |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 270 | pthread_mutex_t io_u_lock; |
| 271 | pthread_cond_t free_cond; |
| 272 | |
| 273 | /* |
| 274 | * async verify offload |
| 275 | */ |
| 276 | struct flist_head verify_list; |
| 277 | pthread_t *verify_threads; |
| 278 | unsigned int nr_verify_threads; |
| 279 | pthread_cond_t verify_cond; |
| 280 | int verify_thread_exit; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 281 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 282 | /* |
| 283 | * Rate state |
| 284 | */ |
Jens Axboe | bdb6d20 | 2013-03-19 07:48:46 -0600 | [diff] [blame] | 285 | uint64_t rate_bps[DDIR_RWDIR_CNT]; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 286 | uint64_t rate_next_io_time[DDIR_RWDIR_CNT]; |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 287 | unsigned long rate_bytes[DDIR_RWDIR_CNT]; |
| 288 | unsigned long rate_blocks[DDIR_RWDIR_CNT]; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 289 | unsigned long long rate_io_issue_bytes[DDIR_RWDIR_CNT]; |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 290 | struct timeval lastrate[DDIR_RWDIR_CNT]; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 291 | int64_t last_usec[DDIR_RWDIR_CNT]; |
| 292 | struct frand_state poisson_state[DDIR_RWDIR_CNT]; |
| 293 | |
| 294 | /* |
| 295 | * Enforced rate submission/completion workqueue |
| 296 | */ |
| 297 | struct workqueue io_wq; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 298 | |
Jens Axboe | bdb6d20 | 2013-03-19 07:48:46 -0600 | [diff] [blame] | 299 | uint64_t total_io_size; |
| 300 | uint64_t fill_device_size; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 301 | |
Jens Axboe | 5d61d11 | 2015-01-16 10:03:11 -0700 | [diff] [blame] | 302 | /* |
| 303 | * Issue side |
| 304 | */ |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 305 | uint64_t io_issues[DDIR_RWDIR_CNT]; |
Jens Axboe | 5d61d11 | 2015-01-16 10:03:11 -0700 | [diff] [blame] | 306 | uint64_t io_issue_bytes[DDIR_RWDIR_CNT]; |
Jens Axboe | 842d2e2 | 2015-02-24 14:50:57 -0800 | [diff] [blame] | 307 | uint64_t loops; |
Jens Axboe | 5d61d11 | 2015-01-16 10:03:11 -0700 | [diff] [blame] | 308 | |
| 309 | /* |
| 310 | * Completions |
| 311 | */ |
Jens Axboe | bdb6d20 | 2013-03-19 07:48:46 -0600 | [diff] [blame] | 312 | uint64_t io_blocks[DDIR_RWDIR_CNT]; |
| 313 | uint64_t this_io_blocks[DDIR_RWDIR_CNT]; |
| 314 | uint64_t io_bytes[DDIR_RWDIR_CNT]; |
Jens Axboe | bdb6d20 | 2013-03-19 07:48:46 -0600 | [diff] [blame] | 315 | uint64_t this_io_bytes[DDIR_RWDIR_CNT]; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 316 | uint64_t io_skip_bytes; |
Jens Axboe | bdb6d20 | 2013-03-19 07:48:46 -0600 | [diff] [blame] | 317 | uint64_t zone_bytes; |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 318 | struct fio_mutex *mutex; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 319 | uint64_t bytes_done[DDIR_RWDIR_CNT]; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 320 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 321 | /* |
| 322 | * State for random io, a bitmap of blocks done vs not done |
| 323 | */ |
Jens Axboe | f678701 | 2014-11-05 18:39:23 -0700 | [diff] [blame] | 324 | struct frand_state random_state; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 325 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 326 | struct timeval start; /* start of this loop */ |
| 327 | struct timeval epoch; /* time job was started */ |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 328 | unsigned long long unix_epoch; /* Time job was started, unix epoch based. */ |
Jens Axboe | a61edde | 2007-05-15 14:29:58 +0200 | [diff] [blame] | 329 | struct timeval last_issue; |
Jens Axboe | f15b9e5 | 2014-11-21 14:33:33 -0700 | [diff] [blame] | 330 | long time_offset; |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 331 | struct timeval tv_cache; |
Jens Axboe | 958b891 | 2014-07-09 08:46:12 +0200 | [diff] [blame] | 332 | struct timeval terminate_time; |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 333 | unsigned int tv_cache_nr; |
| 334 | unsigned int tv_cache_mask; |
Jens Axboe | 721938a | 2008-09-10 09:46:16 +0200 | [diff] [blame] | 335 | unsigned int ramp_time_over; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 336 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 337 | /* |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 338 | * Time since last latency_window was started |
| 339 | */ |
| 340 | struct timeval latency_ts; |
| 341 | unsigned int latency_qd; |
| 342 | unsigned int latency_qd_high; |
| 343 | unsigned int latency_qd_low; |
| 344 | unsigned int latency_failed; |
| 345 | uint64_t latency_ios; |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 346 | int latency_end_run; |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 347 | |
| 348 | /* |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 349 | * read/write mixed workload state |
| 350 | */ |
Jens Axboe | f678701 | 2014-11-05 18:39:23 -0700 | [diff] [blame] | 351 | struct frand_state rwmix_state; |
Jens Axboe | e492866 | 2008-04-07 09:19:46 +0200 | [diff] [blame] | 352 | unsigned long rwmix_issues; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 353 | enum fio_ddir rwmix_ddir; |
Jens Axboe | 5736c10 | 2010-07-20 12:03:25 -0600 | [diff] [blame] | 354 | unsigned int ddir_seq_nr; |
Jens Axboe | a6ccc7b | 2006-06-02 10:14:15 +0200 | [diff] [blame] | 355 | |
Jens Axboe | 4e0ba8a | 2006-06-06 09:36:28 +0200 | [diff] [blame] | 356 | /* |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 357 | * rand/seq mixed workload state |
| 358 | */ |
Jens Axboe | f678701 | 2014-11-05 18:39:23 -0700 | [diff] [blame] | 359 | struct frand_state seq_rand_state[DDIR_RWDIR_CNT]; |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 360 | |
| 361 | /* |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 362 | * IO history logs for verification. We use a tree for sorting, |
| 363 | * if we are overwriting. Otherwise just use a fifo. |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 364 | */ |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 365 | struct rb_root io_hist_tree; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 366 | struct flist_head io_hist_list; |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 367 | unsigned long io_hist_len; |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 368 | |
| 369 | /* |
| 370 | * For IO replaying |
| 371 | */ |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 372 | struct flist_head io_log_list; |
Jens Axboe | 433afcb | 2007-02-22 10:39:01 +0100 | [diff] [blame] | 373 | |
| 374 | /* |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 375 | * For tracking/handling discards |
| 376 | */ |
| 377 | struct flist_head trim_list; |
| 378 | unsigned long trim_entries; |
| 379 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 380 | struct flist_head next_rand_list; |
| 381 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 382 | /* |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 383 | * for fileservice, how often to switch to a new file |
| 384 | */ |
| 385 | unsigned int file_service_nr; |
| 386 | unsigned int file_service_left; |
| 387 | struct fio_file *file_service_file; |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 388 | |
Jens Axboe | 44f2969 | 2010-03-09 20:09:44 +0100 | [diff] [blame] | 389 | unsigned int sync_file_range_nr; |
| 390 | |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 391 | /* |
| 392 | * For generating file sizes |
| 393 | */ |
Jens Axboe | f678701 | 2014-11-05 18:39:23 -0700 | [diff] [blame] | 394 | struct frand_state file_size_state; |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 395 | |
| 396 | /* |
| 397 | * Error counts |
| 398 | */ |
| 399 | unsigned int total_err_count; |
| 400 | int first_error; |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 401 | |
Dan Ehrenberg | 9e684a4 | 2012-02-20 11:05:14 +0100 | [diff] [blame] | 402 | struct fio_flow *flow; |
| 403 | |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 404 | /* |
| 405 | * Can be overloaded by profiles |
| 406 | */ |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 407 | struct prof_io_ops prof_io_ops; |
Jens Axboe | 58c55ba | 2010-03-09 12:20:08 +0100 | [diff] [blame] | 408 | void *prof_data; |
Jens Axboe | 9a3f110 | 2012-03-28 20:50:15 +0200 | [diff] [blame] | 409 | |
| 410 | void *pinned_mem; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 411 | |
| 412 | struct steadystate_data ss; |
| 413 | |
| 414 | char verror[FIO_VERROR_SIZE]; |
| 415 | |
| 416 | #ifdef CONFIG_CUDA |
| 417 | /* |
| 418 | * for GPU memory management |
| 419 | */ |
| 420 | int gpu_dev_cnt; |
| 421 | int gpu_dev_id; |
| 422 | CUdevice cu_dev; |
| 423 | CUcontext cu_ctx; |
| 424 | CUdeviceptr dev_mem_ptr; |
| 425 | #endif |
| 426 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 427 | }; |
| 428 | |
Jens Axboe | 433afcb | 2007-02-22 10:39:01 +0100 | [diff] [blame] | 429 | /* |
Aaron Carroll | e592a06 | 2007-09-14 09:49:41 +0200 | [diff] [blame] | 430 | * when should interactive ETA output be generated |
| 431 | */ |
| 432 | enum { |
| 433 | FIO_ETA_AUTO, |
| 434 | FIO_ETA_ALWAYS, |
| 435 | FIO_ETA_NEVER, |
| 436 | }; |
| 437 | |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 438 | #define __td_verror(td, err, msg, func) \ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 439 | do { \ |
Jens Axboe | 21beb60 | 2014-04-14 09:04:48 -0600 | [diff] [blame] | 440 | unsigned int ____e = (err); \ |
Jens Axboe | 19abcd3 | 2007-02-21 20:14:33 +0100 | [diff] [blame] | 441 | if ((td)->error) \ |
| 442 | break; \ |
Jens Axboe | 8271963 | 2014-02-12 09:10:10 -0700 | [diff] [blame] | 443 | (td)->error = ____e; \ |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 444 | if (!(td)->first_error) \ |
Ken Raeburn | 98ffb8f | 2013-01-30 22:31:09 +0100 | [diff] [blame] | 445 | snprintf(td->verror, sizeof(td->verror), "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 446 | } while (0) |
| 447 | |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 448 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 449 | #define td_clear_error(td) do { \ |
| 450 | (td)->error = 0; \ |
| 451 | if ((td)->parent) \ |
| 452 | (td)->parent->error = 0; \ |
| 453 | } while (0) |
| 454 | |
| 455 | #define td_verror(td, err, func) do { \ |
| 456 | __td_verror((td), (err), strerror((err)), (func)); \ |
| 457 | if ((td)->parent) \ |
| 458 | __td_verror((td)->parent, (err), strerror((err)), (func)); \ |
| 459 | } while (0) |
| 460 | |
| 461 | #define td_vmsg(td, err, msg, func) do { \ |
| 462 | __td_verror((td), (err), (msg), (func)); \ |
| 463 | if ((td)->parent) \ |
| 464 | __td_verror((td)->parent, (err), (msg), (func)); \ |
| 465 | } while (0) |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 466 | |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 467 | #define __fio_stringify_1(x) #x |
| 468 | #define __fio_stringify(x) __fio_stringify_1(x) |
| 469 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 470 | extern int exitall_on_terminate; |
Jens Axboe | 11e950b | 2011-10-16 21:34:14 +0200 | [diff] [blame] | 471 | extern unsigned int thread_number; |
Jens Axboe | 108fea7 | 2012-11-14 13:09:45 -0700 | [diff] [blame] | 472 | extern unsigned int stat_number; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 473 | extern int shm_id; |
| 474 | extern int groupid; |
Jens Axboe | f3afa57 | 2012-09-17 13:34:16 +0200 | [diff] [blame] | 475 | extern int output_format; |
Christian Ehrhardt | 2b8c71b | 2014-02-20 14:20:04 +0100 | [diff] [blame] | 476 | extern int append_terse_output; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 477 | extern int temp_stall_ts; |
Bruce Cran | 7078106 | 2012-04-03 18:00:00 -0600 | [diff] [blame] | 478 | extern uintptr_t page_mask, page_size; |
Jens Axboe | 4241ea8 | 2007-09-12 08:18:36 +0200 | [diff] [blame] | 479 | extern int read_only; |
Aaron Carroll | e592a06 | 2007-09-14 09:49:41 +0200 | [diff] [blame] | 480 | extern int eta_print; |
Jens Axboe | e382e66 | 2013-02-22 20:48:56 +0100 | [diff] [blame] | 481 | extern int eta_new_line; |
Jens Axboe | d3eeeab | 2008-04-06 12:19:05 +0200 | [diff] [blame] | 482 | extern unsigned long done_secs; |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 483 | extern int fio_gtod_offload; |
| 484 | extern int fio_gtod_cpu; |
Jens Axboe | c223da8 | 2010-03-24 13:23:53 +0100 | [diff] [blame] | 485 | extern enum fio_cs fio_clock_source; |
Jens Axboe | fa80fea | 2012-12-09 20:29:00 +0100 | [diff] [blame] | 486 | extern int fio_clock_source_set; |
Jens Axboe | a9523c6 | 2011-01-17 16:49:54 -0700 | [diff] [blame] | 487 | extern int warnings_fatal; |
Jens Axboe | f57a9c5 | 2011-09-09 21:01:37 +0200 | [diff] [blame] | 488 | extern int terse_version; |
Jens Axboe | 5c341e9 | 2011-09-29 18:00:35 -0600 | [diff] [blame] | 489 | extern int is_backend; |
Jens Axboe | a37f69b | 2011-10-01 12:24:21 -0600 | [diff] [blame] | 490 | extern int nr_clients; |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 491 | extern int log_syslog; |
Jens Axboe | 0646490 | 2013-04-24 20:38:54 -0600 | [diff] [blame] | 492 | extern int status_interval; |
Jens Axboe | 5e726d0 | 2011-10-14 08:08:10 +0200 | [diff] [blame] | 493 | extern const char fio_version_string[]; |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 494 | extern char *trigger_file; |
| 495 | extern char *trigger_cmd; |
Jens Axboe | a443207 | 2014-11-19 08:36:12 -0700 | [diff] [blame] | 496 | extern char *trigger_remote_cmd; |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 497 | extern long long trigger_timeout; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 498 | extern char *aux_path; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 499 | |
| 500 | extern struct thread_data *threads; |
| 501 | |
Jens Axboe | 5a48d30 | 2014-09-30 13:29:57 -0600 | [diff] [blame] | 502 | static inline void fio_ro_check(const struct thread_data *td, struct io_u *io_u) |
Jens Axboe | 7101d9c | 2007-09-12 13:12:39 +0200 | [diff] [blame] | 503 | { |
| 504 | assert(!(io_u->ddir == DDIR_WRITE && !td_write(td))); |
| 505 | } |
| 506 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 507 | #define REAL_MAX_JOBS 4096 |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 508 | |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 509 | static inline int should_fsync(struct thread_data *td) |
| 510 | { |
| 511 | if (td->last_was_sync) |
| 512 | return 0; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 513 | if (td_write(td) || td->o.override_sync) |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 514 | return 1; |
| 515 | |
| 516 | return 0; |
| 517 | } |
| 518 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 519 | /* |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 520 | * Init/option functions |
Jens Axboe | 8914a9d | 2006-06-07 11:14:56 +0200 | [diff] [blame] | 521 | */ |
Jens Axboe | 0420ba6 | 2012-02-29 11:16:52 +0100 | [diff] [blame] | 522 | extern int __must_check fio_init_options(void); |
Jens Axboe | 72cb971 | 2007-02-20 20:54:45 +0100 | [diff] [blame] | 523 | extern int __must_check parse_options(int, char **); |
Jens Axboe | 46bcd49 | 2012-03-14 11:31:21 +0100 | [diff] [blame] | 524 | extern int parse_jobs_ini(char *, int, int, int); |
| 525 | extern int parse_cmd_line(int, char **, int); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 526 | extern int fio_backend(struct sk_out *); |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 527 | extern void reset_fio_state(void); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 528 | extern void clear_io_state(struct thread_data *, int); |
| 529 | extern int fio_options_parse(struct thread_data *, char **, int); |
Jens Axboe | 74929ac | 2009-08-05 11:42:37 +0200 | [diff] [blame] | 530 | extern void fio_keywords_init(void); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 531 | extern void fio_keywords_exit(void); |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 532 | extern int fio_cmd_option_parse(struct thread_data *, const char *, char *); |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 533 | extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *); |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 534 | extern void fio_fill_default_options(struct thread_data *); |
| 535 | extern int fio_show_option_help(const char *); |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 536 | extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td); |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 537 | extern void fio_options_dup_and_init(struct option *); |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 538 | extern void fio_options_mem_dupe(struct thread_data *); |
Jens Axboe | 5bfc35d | 2009-04-07 13:28:12 +0200 | [diff] [blame] | 539 | extern void td_fill_rand_seeds(struct thread_data *); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 540 | extern void td_fill_verify_state_seed(struct thread_data *); |
Jens Axboe | 46bcd49 | 2012-03-14 11:31:21 +0100 | [diff] [blame] | 541 | extern void add_job_opts(const char **, int); |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 542 | extern int ioengine_load(struct thread_data *); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 543 | extern bool parse_dryrun(void); |
Jens Axboe | 046395d | 2014-04-09 13:57:38 -0600 | [diff] [blame] | 544 | extern int fio_running_or_pending_io_threads(void); |
Jens Axboe | 3a35845 | 2014-04-15 09:07:44 -0600 | [diff] [blame] | 545 | extern int fio_set_fd_nonblocking(int, const char *); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 546 | extern void sig_show_status(int sig); |
| 547 | extern struct thread_data *get_global_options(void); |
Jens Axboe | 1ec3d69 | 2010-09-16 09:35:34 +0200 | [diff] [blame] | 548 | |
Jens Axboe | a569b45 | 2013-04-11 11:51:35 +0200 | [diff] [blame] | 549 | extern uintptr_t page_mask; |
| 550 | extern uintptr_t page_size; |
| 551 | extern int initialize_fio(char *envp[]); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 552 | extern void deinitialize_fio(void); |
Jens Axboe | a569b45 | 2013-04-11 11:51:35 +0200 | [diff] [blame] | 553 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 554 | #define FIO_GETOPT_JOB 0x89000000 |
| 555 | #define FIO_GETOPT_IOENGINE 0x98000000 |
Jens Axboe | 07b3232 | 2010-03-05 09:48:44 +0100 | [diff] [blame] | 556 | #define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128) |
Jens Axboe | 8914a9d | 2006-06-07 11:14:56 +0200 | [diff] [blame] | 557 | |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 558 | /* |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 559 | * ETA/status stuff |
| 560 | */ |
| 561 | extern void print_thread_status(void); |
| 562 | extern void print_status_init(int); |
Jens Axboe | 0a428b2 | 2013-04-11 12:26:55 +0200 | [diff] [blame] | 563 | extern char *fio_uint_to_kmg(unsigned int val); |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 564 | |
| 565 | /* |
| 566 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it |
| 567 | * will never back again. It may cycle between running/verififying/fsyncing. |
| 568 | * Once the thread reaches TD_EXITED, it is just waiting for the core to |
| 569 | * reap it. |
| 570 | */ |
| 571 | enum { |
| 572 | TD_NOT_CREATED = 0, |
| 573 | TD_CREATED, |
| 574 | TD_INITIALIZED, |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 575 | TD_RAMP, |
Jens Axboe | 36d80bc | 2012-11-30 21:46:06 +0100 | [diff] [blame] | 576 | TD_SETTING_UP, |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 577 | TD_RUNNING, |
Jens Axboe | b0f6586 | 2009-05-20 11:52:15 +0200 | [diff] [blame] | 578 | TD_PRE_READING, |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 579 | TD_VERIFYING, |
| 580 | TD_FSYNCING, |
Jens Axboe | 3d43405 | 2014-04-02 15:46:22 -0600 | [diff] [blame] | 581 | TD_FINISHING, |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 582 | TD_EXITED, |
| 583 | TD_REAPED, |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 584 | TD_LAST, |
| 585 | TD_NR, |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 586 | }; |
| 587 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 588 | #define TD_ENG_FLAG_SHIFT 16 |
| 589 | #define TD_ENG_FLAG_MASK ((1U << 16) - 1) |
| 590 | |
| 591 | static inline enum fio_ioengine_flags td_ioengine_flags(struct thread_data *td) |
| 592 | { |
| 593 | return (enum fio_ioengine_flags) |
| 594 | ((td->flags >> TD_ENG_FLAG_SHIFT) & TD_ENG_FLAG_MASK); |
| 595 | } |
| 596 | |
| 597 | static inline void td_set_ioengine_flags(struct thread_data *td) |
| 598 | { |
| 599 | td->flags = (~(TD_ENG_FLAG_MASK << TD_ENG_FLAG_SHIFT) & td->flags) | |
| 600 | (td->io_ops->flags << TD_ENG_FLAG_SHIFT); |
| 601 | } |
| 602 | |
| 603 | static inline bool td_ioengine_flagged(struct thread_data *td, |
| 604 | enum fio_ioengine_flags flags) |
| 605 | { |
| 606 | return ((td->flags >> TD_ENG_FLAG_SHIFT) & flags) != 0; |
| 607 | } |
| 608 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 609 | extern void td_set_runstate(struct thread_data *, int); |
Jens Axboe | 8edd973 | 2014-03-01 08:24:03 -0700 | [diff] [blame] | 610 | extern int td_bump_runstate(struct thread_data *, int); |
| 611 | extern void td_restore_runstate(struct thread_data *, int); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 612 | extern const char *runstate_to_name(int runstate); |
Jens Axboe | 8edd973 | 2014-03-01 08:24:03 -0700 | [diff] [blame] | 613 | |
Jens Axboe | 958b891 | 2014-07-09 08:46:12 +0200 | [diff] [blame] | 614 | /* |
| 615 | * Allow 60 seconds for a job to quit on its own, otherwise reap with |
| 616 | * a vengeance. |
| 617 | */ |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 618 | #define FIO_REAP_TIMEOUT 300 |
Jens Axboe | 958b891 | 2014-07-09 08:46:12 +0200 | [diff] [blame] | 619 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 620 | #define TERMINATE_ALL (-1U) |
| 621 | extern void fio_terminate_threads(unsigned int); |
Jens Axboe | 3b44e8b | 2014-07-09 11:24:12 +0200 | [diff] [blame] | 622 | extern void fio_mark_td_terminate(struct thread_data *); |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 623 | |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 624 | /* |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 625 | * Memory helpers |
| 626 | */ |
Jens Axboe | 9a3f110 | 2012-03-28 20:50:15 +0200 | [diff] [blame] | 627 | extern int __must_check fio_pin_memory(struct thread_data *); |
| 628 | extern void fio_unpin_memory(struct thread_data *); |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 629 | extern int __must_check allocate_io_mem(struct thread_data *); |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 630 | extern void free_io_mem(struct thread_data *); |
Jens Axboe | 2bb3f0a | 2012-03-28 12:22:40 +0200 | [diff] [blame] | 631 | extern void free_threads_shm(void); |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 632 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 633 | #ifdef FIO_INTERNAL |
| 634 | #define PTR_ALIGN(ptr, mask) \ |
| 635 | (char *) (((uintptr_t) (ptr) + (mask)) & ~(mask)) |
| 636 | #endif |
| 637 | |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 638 | /* |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 639 | * Reset stats after ramp time completes |
| 640 | */ |
| 641 | extern void reset_all_stats(struct thread_data *); |
| 642 | |
| 643 | /* |
Jens Axboe | fb7b71a | 2007-05-15 08:44:04 +0200 | [diff] [blame] | 644 | * blktrace support |
| 645 | */ |
Jens Axboe | 5e62c22 | 2007-05-22 13:27:30 +0200 | [diff] [blame] | 646 | #ifdef FIO_HAVE_BLKTRACE |
Jens Axboe | d95b34a | 2013-11-21 09:55:49 -0700 | [diff] [blame] | 647 | extern int is_blktrace(const char *, int *); |
| 648 | extern int load_blktrace(struct thread_data *, const char *, int); |
Jens Axboe | 5e62c22 | 2007-05-22 13:27:30 +0200 | [diff] [blame] | 649 | #endif |
Jens Axboe | fb7b71a | 2007-05-15 08:44:04 +0200 | [diff] [blame] | 650 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 651 | extern int io_queue_event(struct thread_data *td, struct io_u *io_u, int *ret, |
| 652 | enum fio_ddir ddir, uint64_t *bytes_issued, int from_verify, |
| 653 | struct timeval *comp_time); |
| 654 | |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 655 | /* |
| 656 | * Latency target helpers |
| 657 | */ |
| 658 | extern void lat_target_check(struct thread_data *); |
| 659 | extern void lat_target_init(struct thread_data *); |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 660 | extern void lat_target_reset(struct thread_data *); |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 661 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 662 | /* |
| 663 | * Iterates all threads/processes within all the defined jobs |
| 664 | */ |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 665 | #define for_each_td(td, i) \ |
| 666 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 667 | #define for_each_file(td, f, i) \ |
Jens Axboe | 691c8fb | 2008-03-07 14:26:26 +0100 | [diff] [blame] | 668 | if ((td)->files_index) \ |
| 669 | for ((i) = 0, (f) = (td)->files[0]; \ |
| 670 | (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \ |
| 671 | (i)++) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 672 | |
Jens Axboe | 0032bf9 | 2007-02-13 17:39:56 +0100 | [diff] [blame] | 673 | #define fio_assert(td, cond) do { \ |
| 674 | if (!(cond)) { \ |
Jens Axboe | 340fd24 | 2007-02-13 20:09:10 +0100 | [diff] [blame] | 675 | int *__foo = NULL; \ |
Jens Axboe | 0032bf9 | 2007-02-13 17:39:56 +0100 | [diff] [blame] | 676 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
Jens Axboe | ac18ea3 | 2011-05-02 13:14:26 -0600 | [diff] [blame] | 677 | td_set_runstate((td), TD_EXITED); \ |
Jens Axboe | 437c9b7 | 2007-02-13 18:20:37 +0100 | [diff] [blame] | 678 | (td)->error = EFAULT; \ |
Jens Axboe | 340fd24 | 2007-02-13 20:09:10 +0100 | [diff] [blame] | 679 | *__foo = 0; \ |
Jens Axboe | 0032bf9 | 2007-02-13 17:39:56 +0100 | [diff] [blame] | 680 | } \ |
| 681 | } while (0) |
| 682 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 683 | static inline bool fio_fill_issue_time(struct thread_data *td) |
Jens Axboe | 12d9d84 | 2008-10-16 21:26:10 +0200 | [diff] [blame] | 684 | { |
| 685 | if (td->o.read_iolog_file || |
| 686 | !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw) |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 687 | return true; |
Jens Axboe | 12d9d84 | 2008-10-16 21:26:10 +0200 | [diff] [blame] | 688 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 689 | return false; |
Jens Axboe | 12d9d84 | 2008-10-16 21:26:10 +0200 | [diff] [blame] | 690 | } |
| 691 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 692 | static inline bool __should_check_rate(struct thread_data *td, |
| 693 | enum fio_ddir ddir) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 694 | { |
| 695 | struct thread_options *o = &td->o; |
| 696 | |
| 697 | /* |
| 698 | * If some rate setting was given, we need to check it |
| 699 | */ |
| 700 | if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] || |
| 701 | o->rate_iops_min[ddir]) |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 702 | return true; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 703 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 704 | return false; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 705 | } |
| 706 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 707 | static inline bool should_check_rate(struct thread_data *td) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 708 | { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 709 | if (td->bytes_done[DDIR_READ] && __should_check_rate(td, DDIR_READ)) |
| 710 | return true; |
| 711 | if (td->bytes_done[DDIR_WRITE] && __should_check_rate(td, DDIR_WRITE)) |
| 712 | return true; |
| 713 | if (td->bytes_done[DDIR_TRIM] && __should_check_rate(td, DDIR_TRIM)) |
| 714 | return true; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 715 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 716 | return false; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 717 | } |
| 718 | |
Jens Axboe | 74f4b02 | 2013-03-22 22:56:55 -0600 | [diff] [blame] | 719 | static inline unsigned int td_max_bs(struct thread_data *td) |
| 720 | { |
| 721 | unsigned int max_bs; |
| 722 | |
| 723 | max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]); |
| 724 | return max(td->o.max_bs[DDIR_TRIM], max_bs); |
| 725 | } |
| 726 | |
Jens Axboe | 8d916c9 | 2013-04-25 10:11:41 -0600 | [diff] [blame] | 727 | static inline unsigned int td_min_bs(struct thread_data *td) |
| 728 | { |
| 729 | unsigned int min_bs; |
| 730 | |
| 731 | min_bs = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); |
| 732 | return min(td->o.min_bs[DDIR_TRIM], min_bs); |
| 733 | } |
| 734 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 735 | static inline bool td_async_processing(struct thread_data *td) |
Jens Axboe | d529ee1 | 2009-07-01 10:33:03 +0200 | [diff] [blame] | 736 | { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 737 | return (td->flags & TD_F_NEED_LOCK) != 0; |
Jens Axboe | d529ee1 | 2009-07-01 10:33:03 +0200 | [diff] [blame] | 738 | } |
| 739 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 740 | /* |
| 741 | * We currently only need to do locking if we have verifier threads |
| 742 | * accessing our internal structures too |
| 743 | */ |
| 744 | static inline void td_io_u_lock(struct thread_data *td) |
| 745 | { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 746 | if (td_async_processing(td)) |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 747 | pthread_mutex_lock(&td->io_u_lock); |
| 748 | } |
| 749 | |
| 750 | static inline void td_io_u_unlock(struct thread_data *td) |
| 751 | { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 752 | if (td_async_processing(td)) |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 753 | pthread_mutex_unlock(&td->io_u_lock); |
| 754 | } |
| 755 | |
| 756 | static inline void td_io_u_free_notify(struct thread_data *td) |
| 757 | { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 758 | if (td_async_processing(td)) |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 759 | pthread_cond_signal(&td->free_cond); |
| 760 | } |
| 761 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 762 | static inline void td_flags_clear(struct thread_data *td, unsigned int *flags, |
| 763 | unsigned int value) |
| 764 | { |
| 765 | if (!td_async_processing(td)) |
| 766 | *flags &= ~value; |
| 767 | else |
| 768 | __sync_fetch_and_and(flags, ~value); |
| 769 | } |
| 770 | |
| 771 | static inline void td_flags_set(struct thread_data *td, unsigned int *flags, |
| 772 | unsigned int value) |
| 773 | { |
| 774 | if (!td_async_processing(td)) |
| 775 | *flags |= value; |
| 776 | else |
| 777 | __sync_fetch_and_or(flags, value); |
| 778 | } |
| 779 | |
Jens Axboe | cca8464 | 2011-10-07 12:47:57 +0200 | [diff] [blame] | 780 | extern const char *fio_get_arch_string(int); |
| 781 | extern const char *fio_get_os_string(int); |
| 782 | |
Daniel Gollub | e2c8104 | 2014-05-01 14:07:03 +0200 | [diff] [blame] | 783 | #ifdef FIO_INTERNAL |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 784 | #define ARRAY_SIZE(x) (sizeof((x)) / (sizeof((x)[0]))) |
| 785 | #define FIELD_SIZE(s, f) (sizeof(((typeof(s))0)->f)) |
Daniel Gollub | e2c8104 | 2014-05-01 14:07:03 +0200 | [diff] [blame] | 786 | #endif |
Jens Axboe | 0577543 | 2012-03-21 14:07:11 +0100 | [diff] [blame] | 787 | |
Jens Axboe | f3afa57 | 2012-09-17 13:34:16 +0200 | [diff] [blame] | 788 | enum { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 789 | __FIO_OUTPUT_TERSE = 0, |
| 790 | __FIO_OUTPUT_JSON = 1, |
| 791 | __FIO_OUTPUT_NORMAL = 2, |
| 792 | __FIO_OUTPUT_JSON_PLUS = 3, |
| 793 | FIO_OUTPUT_NR = 4, |
| 794 | |
| 795 | FIO_OUTPUT_TERSE = 1U << __FIO_OUTPUT_TERSE, |
| 796 | FIO_OUTPUT_JSON = 1U << __FIO_OUTPUT_JSON, |
| 797 | FIO_OUTPUT_NORMAL = 1U << __FIO_OUTPUT_NORMAL, |
| 798 | FIO_OUTPUT_JSON_PLUS = 1U << __FIO_OUTPUT_JSON_PLUS, |
Jens Axboe | f3afa57 | 2012-09-17 13:34:16 +0200 | [diff] [blame] | 799 | }; |
| 800 | |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 801 | enum { |
| 802 | FIO_RAND_DIST_RANDOM = 0, |
| 803 | FIO_RAND_DIST_ZIPF, |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 804 | FIO_RAND_DIST_PARETO, |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 805 | FIO_RAND_DIST_GAUSS, |
| 806 | FIO_RAND_DIST_ZONED, |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 807 | }; |
| 808 | |
Jens Axboe | b357a22 | 2015-01-04 10:02:34 -0700 | [diff] [blame] | 809 | #define FIO_DEF_ZIPF 1.1 |
| 810 | #define FIO_DEF_PARETO 0.2 |
| 811 | |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 812 | enum { |
| 813 | FIO_RAND_GEN_TAUSWORTHE = 0, |
| 814 | FIO_RAND_GEN_LFSR, |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 815 | FIO_RAND_GEN_TAUSWORTHE64, |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 816 | }; |
| 817 | |
Jens Axboe | c2acfba | 2014-02-27 15:52:02 -0800 | [diff] [blame] | 818 | enum { |
| 819 | FIO_CPUS_SHARED = 0, |
| 820 | FIO_CPUS_SPLIT, |
| 821 | }; |
| 822 | |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 823 | extern void exec_trigger(const char *); |
| 824 | extern void check_trigger_file(void); |
| 825 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 826 | #endif |