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ebac4655 JA |
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> | |
9 | #include <semaphore.h> | |
10 | ||
11 | #include "list.h" | |
12 | #include "md5.h" | |
13 | #include "crc32.h" | |
14 | #include "arch.h" | |
15 | #include "os.h" | |
16 | ||
17 | struct io_stat { | |
18 | unsigned long val; | |
19 | unsigned long val_sq; | |
20 | unsigned long max_val; | |
21 | unsigned long min_val; | |
22 | unsigned long samples; | |
23 | }; | |
24 | ||
25 | struct io_sample { | |
26 | unsigned long time; | |
27 | unsigned long val; | |
28 | unsigned int ddir; | |
29 | }; | |
30 | ||
31 | struct io_log { | |
32 | unsigned long nr_samples; | |
33 | unsigned long max_samples; | |
34 | struct io_sample *log; | |
35 | }; | |
36 | ||
37 | struct io_piece { | |
38 | struct list_head list; | |
39 | unsigned long long offset; | |
40 | unsigned int len; | |
41 | }; | |
42 | ||
43 | /* | |
44 | * The io unit | |
45 | */ | |
46 | struct io_u { | |
47 | union { | |
48 | #ifdef FIO_HAVE_LIBAIO | |
49 | struct iocb iocb; | |
50 | #endif | |
51 | #ifdef FIO_HAVE_POSIXAIO | |
52 | struct aiocb aiocb; | |
53 | #endif | |
54 | #ifdef FIO_HAVE_SGIO | |
55 | struct sg_io_hdr hdr; | |
56 | #endif | |
57 | }; | |
58 | struct timeval start_time; | |
59 | struct timeval issue_time; | |
60 | ||
61 | char *buf; | |
62 | unsigned int buflen; | |
63 | unsigned long long offset; | |
64 | ||
65 | unsigned int resid; | |
66 | unsigned int error; | |
67 | ||
68 | unsigned char seen; | |
69 | unsigned char ddir; | |
70 | ||
71 | struct list_head list; | |
72 | }; | |
73 | ||
74 | #define FIO_HDR_MAGIC 0xf00baaef | |
75 | ||
76 | enum { | |
77 | VERIFY_NONE = 0, | |
78 | VERIFY_MD5, | |
79 | VERIFY_CRC32, | |
80 | }; | |
81 | ||
82 | struct verify_header { | |
83 | unsigned int fio_magic; | |
84 | unsigned int len; | |
85 | unsigned int verify_type; | |
86 | union { | |
87 | char md5_digest[MD5_HASH_WORDS * 4]; | |
88 | unsigned long crc32; | |
89 | }; | |
90 | }; | |
91 | ||
92 | struct group_run_stats { | |
93 | unsigned long max_run[2], min_run[2]; | |
94 | unsigned long max_bw[2], min_bw[2]; | |
95 | unsigned long io_mb[2]; | |
96 | unsigned long agg[2]; | |
97 | }; | |
98 | ||
99 | struct thread_data { | |
100 | char file_name[256]; | |
101 | char directory[256]; | |
102 | char verror[80]; | |
103 | pthread_t thread; | |
104 | int thread_number; | |
105 | int groupid; | |
106 | int filetype; | |
107 | int error; | |
108 | int fd; | |
109 | void *mmap; | |
110 | pid_t pid; | |
111 | char *orig_buffer; | |
112 | size_t orig_buffer_size; | |
113 | volatile int terminate; | |
114 | volatile int runstate; | |
115 | volatile int old_runstate; | |
116 | unsigned int ddir; | |
117 | unsigned int ioprio; | |
118 | unsigned int sequential; | |
119 | unsigned int bs; | |
120 | unsigned int min_bs; | |
121 | unsigned int max_bs; | |
122 | unsigned int odirect; | |
123 | unsigned int thinktime; | |
124 | unsigned int fsync_blocks; | |
125 | unsigned int start_delay; | |
126 | unsigned int timeout; | |
127 | unsigned int io_engine; | |
128 | unsigned int create_file; | |
129 | unsigned int overwrite; | |
130 | unsigned int invalidate_cache; | |
131 | unsigned int bw_avg_time; | |
132 | unsigned int create_serialize; | |
133 | unsigned int create_fsync; | |
134 | unsigned int loops; | |
135 | unsigned long long file_size; | |
136 | unsigned long long file_offset; | |
137 | unsigned int sync_io; | |
138 | unsigned int mem_type; | |
139 | unsigned int verify; | |
140 | unsigned int stonewall; | |
141 | unsigned int numjobs; | |
142 | unsigned int use_thread; | |
143 | unsigned int iodepth; | |
144 | os_cpu_mask_t cpumask; | |
145 | ||
146 | struct drand48_data bsrange_state; | |
147 | struct drand48_data verify_state; | |
148 | ||
149 | int shm_id; | |
150 | ||
151 | unsigned long long cur_off; | |
152 | ||
153 | void *io_data; | |
154 | char io_engine_name[16]; | |
155 | int (*io_prep)(struct thread_data *, struct io_u *); | |
156 | int (*io_queue)(struct thread_data *, struct io_u *); | |
157 | int (*io_getevents)(struct thread_data *, int, int, struct timespec *); | |
158 | struct io_u *(*io_event)(struct thread_data *, int); | |
159 | int (*io_cancel)(struct thread_data *, struct io_u *); | |
160 | void (*io_cleanup)(struct thread_data *); | |
161 | int (*io_sync)(struct thread_data *); | |
162 | ||
163 | unsigned int cur_depth; | |
164 | struct list_head io_u_freelist; | |
165 | struct list_head io_u_busylist; | |
166 | ||
167 | unsigned int rate; | |
168 | unsigned int ratemin; | |
169 | unsigned int ratecycle; | |
170 | unsigned long rate_usec_cycle; | |
171 | long rate_pending_usleep; | |
172 | unsigned long rate_bytes; | |
173 | struct timeval lastrate; | |
174 | ||
175 | unsigned long runtime[2]; /* msec */ | |
176 | unsigned long long io_size; | |
177 | unsigned long long total_io_size; | |
178 | ||
179 | unsigned long io_blocks[2]; | |
180 | unsigned long io_bytes[2]; | |
181 | unsigned long this_io_bytes[2]; | |
182 | unsigned long last_bytes; | |
183 | sem_t mutex; | |
184 | ||
185 | struct drand48_data random_state; | |
186 | unsigned long *file_map; | |
187 | unsigned int num_maps; | |
188 | ||
189 | /* | |
190 | * bandwidth and latency stats | |
191 | */ | |
192 | struct io_stat clat_stat[2]; /* completion latency */ | |
193 | struct io_stat slat_stat[2]; /* submission latency */ | |
194 | struct io_stat bw_stat[2]; /* bandwidth stats */ | |
195 | ||
196 | unsigned long stat_io_bytes[2]; | |
197 | struct timeval stat_sample_time[2]; | |
198 | ||
199 | struct io_log *slat_log; | |
200 | struct io_log *clat_log; | |
201 | struct io_log *bw_log; | |
202 | ||
203 | struct timeval start; /* start of this loop */ | |
204 | struct timeval epoch; /* time job was started */ | |
205 | ||
206 | struct rusage ru_start; | |
207 | struct rusage ru_end; | |
208 | unsigned long usr_time; | |
209 | unsigned long sys_time; | |
210 | unsigned long ctx; | |
211 | ||
212 | unsigned int do_disk_util; | |
213 | unsigned int override_sync; | |
214 | ||
215 | struct list_head io_hist_list; | |
216 | }; | |
217 | ||
218 | #define td_verror(td, err) \ | |
219 | do { \ | |
220 | int e = (err); \ | |
221 | (td)->error = e; \ | |
222 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, error=%s", __FILE__, __LINE__, strerror(e)); \ | |
223 | } while (0) | |
224 | ||
225 | extern int parse_jobs_ini(char *); | |
226 | extern int parse_options(int, char **); | |
227 | extern void finish_log(struct thread_data *, struct io_log *, const char *); | |
228 | extern int init_random_state(struct thread_data *); | |
229 | ||
230 | extern int rate_quit; | |
231 | extern int write_lat_log; | |
232 | extern int write_bw_log; | |
233 | extern int exitall_on_terminate; | |
234 | extern int thread_number; | |
235 | extern int shm_id; | |
236 | extern int groupid; | |
237 | ||
238 | extern struct thread_data *threads; | |
239 | ||
240 | enum { | |
241 | DDIR_READ = 0, | |
242 | DDIR_WRITE, | |
243 | }; | |
244 | ||
245 | /* | |
246 | * What type of allocation to use for io buffers | |
247 | */ | |
248 | enum { | |
249 | MEM_MALLOC, /* ordinary malloc */ | |
250 | MEM_SHM, /* use shared memory segments */ | |
251 | MEM_MMAP, /* use anonynomous mmap */ | |
252 | }; | |
253 | ||
254 | /* | |
255 | * The type of object we are working on | |
256 | */ | |
257 | enum { | |
258 | FIO_TYPE_FILE = 1, | |
259 | FIO_TYPE_BD, | |
260 | }; | |
261 | ||
262 | enum { | |
263 | FIO_SYNCIO = 1 << 0, | |
264 | FIO_MMAPIO = 1 << 1 | FIO_SYNCIO, | |
265 | FIO_LIBAIO = 1 << 2, | |
266 | FIO_POSIXAIO = 1 << 3, | |
267 | FIO_SGIO = 1 << 4, | |
268 | }; | |
269 | ||
270 | #define td_read(td) ((td)->ddir == DDIR_READ) | |
271 | #define td_write(td) ((td)->ddir == DDIR_WRITE) | |
272 | ||
273 | #define BLOCKS_PER_MAP (8 * sizeof(long)) | |
274 | #define TO_MAP_BLOCK(td, b) ((b) - ((td)->file_offset / (td)->min_bs)) | |
275 | #define RAND_MAP_IDX(td, b) (TO_MAP_BLOCK(td, b) / BLOCKS_PER_MAP) | |
276 | #define RAND_MAP_BIT(td, b) (TO_MAP_BLOCK(td, b) & (BLOCKS_PER_MAP - 1)) | |
277 | ||
278 | #define MAX_JOBS (1024) | |
279 | ||
280 | struct disk_util_stat { | |
281 | unsigned ios[2]; | |
282 | unsigned merges[2]; | |
283 | unsigned long long sectors[2]; | |
284 | unsigned ticks[2]; | |
285 | unsigned io_ticks; | |
286 | unsigned time_in_queue; | |
287 | }; | |
288 | ||
289 | struct disk_util { | |
290 | struct list_head list; | |
291 | ||
292 | char *name; | |
293 | char path[256]; | |
294 | dev_t dev; | |
295 | ||
296 | struct disk_util_stat dus; | |
297 | struct disk_util_stat last_dus; | |
298 | ||
299 | unsigned long msec; | |
300 | struct timeval time; | |
301 | }; | |
302 | ||
303 | struct io_completion_data { | |
304 | int nr; /* input */ | |
305 | ||
306 | int error; /* output */ | |
307 | unsigned long bytes_done[2]; /* output */ | |
308 | }; | |
309 | ||
310 | #define DISK_UTIL_MSEC (250) | |
311 | ||
312 | #endif |