init.c revision f94819192600fe35d03ebed26a803abdc2b9864c
1bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#include <stdio.h> 2bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#include <stdlib.h> 3bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#include <unistd.h> 4bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#include <fcntl.h> 5bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#include <ctype.h> 6bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#include <string.h> 7bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#include <errno.h> 8bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#include <sys/ipc.h> 9bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#include <sys/shm.h> 10bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#include <sys/types.h> 11bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#include <sys/stat.h> 12bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 13bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#include "fio.h" 14bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 15bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_BS (4096) 16bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_TIMEOUT (0) 17bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_RATE_CYCLE (1000) 18bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_ODIRECT (1) 19bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_IO_ENGINE (FIO_SYNCIO) 20bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_IO_ENGINE_NAME "sync" 21bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_SEQUENTIAL (1) 228977d087c693fd581db82bcff134d12da0f48bd3Daniel Dunbar#define DEF_RAND_REPEAT (1) 23bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_OVERWRITE (1) 24bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_CREATE (1) 25bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_INVALIDATE (1) 26bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_SYNCIO (0) 27789457847002f5289dbbc5cfce9d68c72e00bed1Daniel Dunbar#define DEF_RANDSEED (0xb1899bedUL) 28a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar#define DEF_BWAVGTIME (500) 29bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_CREATE_SER (1) 30af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner#define DEF_CREATE_FSYNC (1) 31092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar#define DEF_LOOPS (1) 32bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_VERIFY (0) 33bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_STONEWALL (0) 34bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_NUMJOBS (1) 35bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_USE_THREAD (0) 36bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_FILE_SIZE (1024 * 1024 * 1024UL) 37bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_ZONE_SIZE (0) 38bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#define DEF_ZONE_SKIP (0) 3973b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbar#define DEF_RWMIX_CYCLE (500) 4073b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbar#define DEF_RWMIX_READ (50) 4173b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbar#define DEF_NICE (0) 4273b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbar 4373b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbarstatic int def_sequential = DEF_SEQUENTIAL; 44a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattnerstatic int def_bs = DEF_BS; 45a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattnerstatic int def_timeout = DEF_TIMEOUT; 46a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattnerstatic int def_repeatable = DEF_RAND_REPEAT; 47bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbarstatic int def_odirect = DEF_ODIRECT; 48bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 49af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattnerstatic char fio_version_string[] = "fio 1.4"; 50af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner 51a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattnerstatic char **ini_file; 52a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattnerstatic int max_jobs = MAX_JOBS; 53a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner 54789457847002f5289dbbc5cfce9d68c72e00bed1Daniel Dunbarstruct thread_data def_thread; 55789457847002f5289dbbc5cfce9d68c72e00bed1Daniel Dunbarstruct thread_data *threads = NULL; 56af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner 57789457847002f5289dbbc5cfce9d68c72e00bed1Daniel Dunbarint rate_quit = 0; 5867d894ea64bc52245abf3f2ba89122a749d99c53Daniel Dunbarint write_lat_log = 0; 5967d894ea64bc52245abf3f2ba89122a749d99c53Daniel Dunbarint write_bw_log = 0; 60a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattnerint exitall_on_terminate = 0; 61bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbarunsigned long long mlock_size = 0; 62bb061291406b1b9f0c976e9845f69f9faf985606Daniel DunbarFILE *f_out = NULL; 63bb061291406b1b9f0c976e9845f69f9faf985606Daniel DunbarFILE *f_err = NULL; 64bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 65bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbarstatic struct thread_data *get_new_job(int global, struct thread_data *parent) 66bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar{ 67bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar struct thread_data *td; 68bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 69bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar if (global) 70bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar return &def_thread; 71bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar if (thread_number >= max_jobs) 72bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar return NULL; 73bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 74bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar td = &threads[thread_number++]; 75d6fd377f3333922c4e928019cdfa124ff7f4dd2eDaniel Dunbar *td = *parent; 76d6fd377f3333922c4e928019cdfa124ff7f4dd2eDaniel Dunbar td->name[0] = '\0'; 77d6fd377f3333922c4e928019cdfa124ff7f4dd2eDaniel Dunbar 78a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner td->fd = -1; 79a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner td->thread_number = thread_number; 80bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar return td; 81bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar} 82bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 83bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbarstatic void put_job(struct thread_data *td) 84bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar{ 85bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar memset(&threads[td->thread_number - 1], 0, sizeof(*td)); 86bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar thread_number--; 87bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar} 88092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar 89092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbarstatic int add_job(struct thread_data *td, const char *jobname, int job_add_num) 90092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar{ 91092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar char *ddir_str[] = { "read", "write", "randread", "randwrite", 92bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar "rw", NULL, "randrw" }; 93c981da0192ab42d28f1034f2a7fa9cbab096425aDaniel Dunbar struct stat sb; 94c981da0192ab42d28f1034f2a7fa9cbab096425aDaniel Dunbar int numjobs, ddir; 95c981da0192ab42d28f1034f2a7fa9cbab096425aDaniel Dunbar 96bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#ifndef FIO_HAVE_LIBAIO 97bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar if (td->io_engine == FIO_LIBAIO) { 98bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar log_err("Linux libaio not available\n"); 99bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar return 1; 100bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar } 101bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar#endif 102d6fd377f3333922c4e928019cdfa124ff7f4dd2eDaniel Dunbar#ifndef FIO_HAVE_POSIXAIO 10351b198af83cb0080c2709b04c129a3d774c07765Daniel Dunbar if (td->io_engine == FIO_POSIXAIO) { 104603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar log_err("posix aio not available\n"); 105603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar return 1; 106603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar } 107603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar#endif 108603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar 109603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar /* 110092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar * the def_thread is just for options, it's not a real job 111092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar */ 112092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar if (td == &def_thread) 113a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner return 0; 114af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner 115a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner if (td->io_engine & FIO_SYNCIO) 116a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner td->iodepth = 1; 117a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner else { 118a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner if (!td->iodepth) 119a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner td->iodepth = 1; 120a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner } 121af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner 122a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner /* 123a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner * only really works for sequential io for now 124a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner */ 125a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner if (td->zone_size && !td->sequential) 126a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner td->zone_size = 0; 1273c2d4bf97fa96fe171883cd80e4ea93fc43563e6Daniel Dunbar 128a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner td->filetype = FIO_TYPE_FILE; 1293c2d4bf97fa96fe171883cd80e4ea93fc43563e6Daniel Dunbar if (!stat(jobname, &sb)) { 1303c2d4bf97fa96fe171883cd80e4ea93fc43563e6Daniel Dunbar if (S_ISBLK(sb.st_mode)) 1313c2d4bf97fa96fe171883cd80e4ea93fc43563e6Daniel Dunbar td->filetype = FIO_TYPE_BD; 1323c2d4bf97fa96fe171883cd80e4ea93fc43563e6Daniel Dunbar else if (S_ISCHR(sb.st_mode)) 1333c2d4bf97fa96fe171883cd80e4ea93fc43563e6Daniel Dunbar td->filetype = FIO_TYPE_CHAR; 134214e22396fe86aa20c587d5c7df9ce63bfd4549eDaniel Dunbar } 13551b198af83cb0080c2709b04c129a3d774c07765Daniel Dunbar 136bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar if (td->filetype == FIO_TYPE_FILE) { 137bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar char tmp[PATH_MAX]; 138214e22396fe86aa20c587d5c7df9ce63bfd4549eDaniel Dunbar 139214e22396fe86aa20c587d5c7df9ce63bfd4549eDaniel Dunbar if (td->directory && td->directory[0] != '\0') 140bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar sprintf(tmp, "%s/%s.%d", td->directory, jobname, td->thread_number); 141bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar else 142789457847002f5289dbbc5cfce9d68c72e00bed1Daniel Dunbar sprintf(tmp, "%s.%d", jobname, td->thread_number); 143af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner td->file_name = strdup(tmp); 144bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar } else 145bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar td->file_name = strdup(jobname); 14667d894ea64bc52245abf3f2ba89122a749d99c53Daniel Dunbar 147bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar fio_sem_init(&td->mutex, 0); 148092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar 149092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; 150a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; 151a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; 152a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar 153a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar if (td->min_bs == -1U) 154092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar td->min_bs = td->bs; 155092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar if (td->max_bs == -1U) 156a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar td->max_bs = td->bs; 157092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar if (td_read(td) && !td_rw(td)) 158bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar td->verify = 0; 159bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 160bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar if (td->stonewall && td->thread_number > 1) 161bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar groupid++; 162603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar 163603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar td->groupid = groupid; 164603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar 165edcb540496ca798003d9fece8cf4e57d536afa38Daniel Dunbar if (setup_rate(td)) 166603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar goto err; 167603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar 168603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar if (write_lat_log) { 169603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar setup_log(&td->slat_log); 170603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar setup_log(&td->clat_log); 171603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar } 172603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar if (write_bw_log) 173603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar setup_log(&td->bw_log); 174603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar 175603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar if (td->name[0] == '\0') 176603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar snprintf(td->name, sizeof(td->name)-1, "client%d", td->thread_number); 177603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar 178603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); 179603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar 180c981da0192ab42d28f1034f2a7fa9cbab096425aDaniel Dunbar if (!job_add_num) 181603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar fprintf(f_out, "%s: (g=%d): rw=%s, odir=%d, bs=%d-%d, rate=%d, ioengine=%s, iodepth=%d\n", td->name, td->groupid, ddir_str[ddir], td->odirect, td->min_bs, td->max_bs, td->rate, td->io_engine_name, td->iodepth); 182603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar else if (job_add_num == 1) 183603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar fprintf(f_out, "...\n"); 184603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar 185603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar /* 186603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar * recurse add identical jobs, clear numjobs and stonewall options 187603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar * as they don't apply to sub-jobs 188603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar */ 189603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar numjobs = td->numjobs; 190603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar while (--numjobs) { 191603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar struct thread_data *td_new = get_new_job(0, td); 192603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar 193603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar if (!td_new) 194603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar goto err; 195603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar 196603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar td_new->numjobs = 1; 197603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar td_new->stonewall = 0; 198603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar job_add_num = numjobs - 1; 199bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 200bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar if (add_job(td_new, jobname, job_add_num)) 201bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar goto err; 202603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar } 203603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar return 0; 204603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbarerr: 205603bea32743dc9914a1d32ae36fc64fe497af801Daniel Dunbar put_job(td); 206a5881e3060aee9f82aef3747a97650e5eafe893aDaniel Dunbar return -1; 207a5881e3060aee9f82aef3747a97650e5eafe893aDaniel Dunbar} 208a5881e3060aee9f82aef3747a97650e5eafe893aDaniel Dunbar 209a5881e3060aee9f82aef3747a97650e5eafe893aDaniel Dunbarint init_random_state(struct thread_data *td) 210a5881e3060aee9f82aef3747a97650e5eafe893aDaniel Dunbar{ 211a5881e3060aee9f82aef3747a97650e5eafe893aDaniel Dunbar unsigned long seeds[4]; 212a5881e3060aee9f82aef3747a97650e5eafe893aDaniel Dunbar int fd, num_maps, blocks; 213bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 214bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar fd = open("/dev/urandom", O_RDONLY); 215bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar if (fd == -1) { 216bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar td_verror(td, errno); 217a5881e3060aee9f82aef3747a97650e5eafe893aDaniel Dunbar return 1; 218011e4db845b5c4166142338c77adc8ac03e5e041Daniel Dunbar } 2194bd03abe593222b26e84066223feb321bf738625Daniel Dunbar 220bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { 221bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar td_verror(td, EIO); 222bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar close(fd); 223bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar return 1; 224bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar } 22551b198af83cb0080c2709b04c129a3d774c07765Daniel Dunbar 22651b198af83cb0080c2709b04c129a3d774c07765Daniel Dunbar close(fd); 22773b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbar 22873b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbar os_random_seed(seeds[0], &td->bsrange_state); 22973b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbar os_random_seed(seeds[1], &td->verify_state); 23073b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbar os_random_seed(seeds[2], &td->rwmix_state); 231bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 232bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar if (td->sequential) 233bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar return 0; 234bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 235bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar if (def_repeatable) 236bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar seeds[3] = DEF_RANDSEED; 237bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 238d6fd377f3333922c4e928019cdfa124ff7f4dd2eDaniel Dunbar blocks = (td->io_size + td->min_bs - 1) / td->min_bs; 239d6fd377f3333922c4e928019cdfa124ff7f4dd2eDaniel Dunbar num_maps = blocks / BLOCKS_PER_MAP; 240bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar td->file_map = malloc(num_maps * sizeof(long)); 241bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar td->num_maps = num_maps; 242bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar memset(td->file_map, 0, num_maps * sizeof(long)); 243bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 244d6fd377f3333922c4e928019cdfa124ff7f4dd2eDaniel Dunbar os_random_seed(seeds[3], &td->random_state); 245a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner return 0; 246af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner} 247a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner 248a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattnerstatic void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) 249a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner{ 250a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner#ifdef FIO_HAVE_CPU_AFFINITY 251a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner unsigned int i; 252a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner 253a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner CPU_ZERO(&cpumask); 254af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner 255a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner for (i = 0; i < sizeof(int) * 8; i++) { 256a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner if ((1 << i) & cpu) 257a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner CPU_SET(i, &cpumask); 258a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner } 259a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner#endif 260a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner} 261bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 262bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbarstatic unsigned long get_mult(char c) 263bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar{ 26473b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbar switch (c) { 26573b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbar case 'k': 26673b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbar case 'K': 26773b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbar return 1024; 268bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar case 'm': 269bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar case 'M': 270bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar return 1024 * 1024; 271bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar case 'g': 272092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar case 'G': 273092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar return 1024 * 1024 * 1024; 274092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar default: 275bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar return 1; 276bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar } 277bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar} 278bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 279bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar/* 28073b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbar * convert string after '=' into decimal value, noting any size suffix 28173b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbar */ 28273b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbarstatic int str_cnv(char *p, unsigned long long *val) 28373b3ec41349511dbf28c18997e3f64761ff0f114Daniel Dunbar{ 284bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar char *str; 285bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar int len; 286bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 287092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar str = strchr(p, '='); 288092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar if (!str) 289092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar return 1; 290092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar 291092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar str++; 292092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar len = strlen(str); 293092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar 294092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar *val = strtoul(str, NULL, 10); 295092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar if (*val == ULONG_MAX && errno == ERANGE) 296092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar return 1; 297092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar 298092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar *val *= get_mult(str[len - 1]); 299092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar return 0; 300092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar} 301092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar 302092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbarstatic int check_strcnv(char *p, char *name, unsigned long long *val) 303092a9dda2d13918a6410db26f41c7b5aa97ff989Daniel Dunbar{ 304bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar if (strncmp(p, name, strlen(name) - 1)) 305bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar return 1; 306bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 307bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar return str_cnv(p, val); 308bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar} 3090c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 3100c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbarstatic void strip_blank_front(char **p) 3110c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar{ 3120c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar char *s = *p; 3130c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 3140c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar while (isspace(*s)) 3150c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar s++; 3160c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar} 3170c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 3180c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbarstatic void strip_blank_end(char *p) 3198977d087c693fd581db82bcff134d12da0f48bd3Daniel Dunbar{ 3200c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar char *s = p + strlen(p) - 1; 3218977d087c693fd581db82bcff134d12da0f48bd3Daniel Dunbar 3228977d087c693fd581db82bcff134d12da0f48bd3Daniel Dunbar while (isspace(*s) || iscntrl(*s)) 3230c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar s--; 3240c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 3250c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar *(s + 1) = '\0'; 3268977d087c693fd581db82bcff134d12da0f48bd3Daniel Dunbar} 3278977d087c693fd581db82bcff134d12da0f48bd3Daniel Dunbar 3288977d087c693fd581db82bcff134d12da0f48bd3Daniel Dunbartypedef int (str_cb_fn)(struct thread_data *, char *); 3298977d087c693fd581db82bcff134d12da0f48bd3Daniel Dunbar 3308977d087c693fd581db82bcff134d12da0f48bd3Daniel Dunbarstatic int check_str(char *p, char *name, str_cb_fn *cb, struct thread_data *td) 3318977d087c693fd581db82bcff134d12da0f48bd3Daniel Dunbar{ 3328977d087c693fd581db82bcff134d12da0f48bd3Daniel Dunbar char *s; 3338977d087c693fd581db82bcff134d12da0f48bd3Daniel Dunbar 3340c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar if (strncmp(p, name, strlen(name))) 3350c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar return 1; 3360c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 337a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner s = strstr(p, name); 338a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner if (!s) 339a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner return 1; 340a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner 341a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner s = strchr(s, '='); 342a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner if (!s) 343af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner return 1; 344a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner 345af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner s++; 346a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner strip_blank_front(&s); 347a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner return cb(td, s); 348a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner} 349a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner 350a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattnerstatic int check_strstore(char *p, char *name, char *dest) 351af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner{ 352af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner char *s; 353a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner 354a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner if (strncmp(p, name, strlen(name))) 355a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner return 1; 356a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner 357a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner s = strstr(p, name); 358a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner if (!s) 359a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner return 1; 360a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner 361a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner s = strchr(p, '='); 362a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner if (!s) 363a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner return 1; 364a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner 365a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner s++; 366a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner strip_blank_front(&s); 367a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner 368a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner strcpy(dest, s); 369a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner return 0; 370a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner} 371a7ac47cee1a0b3f4c798ecaa22ecf9d1be9c07e6Chris Lattner 3720c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbarstatic int __check_range(char *str, unsigned long *val) 3730c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar{ 3740c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar char suffix; 3750c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 3760c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar if (sscanf(str, "%lu%c", val, &suffix) == 2) { 3770c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar *val *= get_mult(suffix); 3780c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar return 0; 3790c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar } 3800c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 3810c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar if (sscanf(str, "%lu", val) == 1) 3820c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar return 0; 3830c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 3840c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar return 1; 3850c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar} 3860c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 387214e22396fe86aa20c587d5c7df9ce63bfd4549eDaniel Dunbarstatic int check_range(char *p, char *name, unsigned long *s, unsigned long *e) 3880c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar{ 3893c2d4bf97fa96fe171883cd80e4ea93fc43563e6Daniel Dunbar char option[128]; 390e28039cfd1a9c43b5fa9274bf19372d96f58f460Daniel Dunbar char *str, *p1, *p2; 391e28039cfd1a9c43b5fa9274bf19372d96f58f460Daniel Dunbar 392e28039cfd1a9c43b5fa9274bf19372d96f58f460Daniel Dunbar if (strncmp(p, name, strlen(name))) 3930c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar return 1; 3940c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 3950c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar strcpy(option, p); 3960c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar p = option; 3970c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 3980c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar str = strstr(p, name); 3990c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar if (!str) 4000c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar return 1; 4010c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 4020c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar p += strlen(name); 4030c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 4040c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar str = strchr(p, '='); 4050c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar if (!str) 4060c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar return 1; 4070c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 408789457847002f5289dbbc5cfce9d68c72e00bed1Daniel Dunbar /* 409af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner * 'p' now holds whatever is after the '=' sign 41067d894ea64bc52245abf3f2ba89122a749d99c53Daniel Dunbar */ 4110c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar p1 = str + 1; 4120c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 4130c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar /* 414a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar * terminate p1 at the '-' sign 415a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar */ 416a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar p = strchr(p1, '-'); 4170c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar if (!p) 418a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar return 1; 4190c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 420a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar p2 = p + 1; 4210c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar *p = '\0'; 4220c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 4230c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar if (!__check_range(p1, s) && !__check_range(p2, e)) 4240c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar return 0; 4250c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 4260c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar return 1; 4270c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar} 4280c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 429a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbarstatic int check_int(char *p, char *name, unsigned int *val) 430a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar{ 4310c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar char *str; 4320c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar 4330c795d61878156817cedbac51ec2921f2634c1a5Daniel Dunbar if (strncmp(p, name, strlen(name))) 434bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar return 1; 435bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar 436bb061291406b1b9f0c976e9845f69f9faf985606Daniel Dunbar str = strstr(p, name); 437 if (!str) 438 return 1; 439 440 str = strchr(p, '='); 441 if (!str) 442 return 1; 443 444 str++; 445 446 if (sscanf(str, "%u", val) == 1) 447 return 0; 448 449 return 1; 450} 451 452static int check_strset(char *p, char *name) 453{ 454 return strncmp(p, name, strlen(name)); 455} 456 457static int is_empty_or_comment(char *line) 458{ 459 unsigned int i; 460 461 for (i = 0; i < strlen(line); i++) { 462 if (line[i] == ';') 463 return 1; 464 if (!isspace(line[i]) && !iscntrl(line[i])) 465 return 0; 466 } 467 468 return 1; 469} 470 471static int str_rw_cb(struct thread_data *td, char *mem) 472{ 473 if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { 474 td->ddir = DDIR_READ; 475 td->sequential = 1; 476 return 0; 477 } else if (!strncmp(mem, "randread", 8)) { 478 td->ddir = DDIR_READ; 479 td->sequential = 0; 480 return 0; 481 } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { 482 td->ddir = DDIR_WRITE; 483 td->sequential = 1; 484 return 0; 485 } else if (!strncmp(mem, "randwrite", 9)) { 486 td->ddir = DDIR_WRITE; 487 td->sequential = 0; 488 return 0; 489 } else if (!strncmp(mem, "rw", 2)) { 490 td->ddir = 0; 491 td->iomix = 1; 492 td->sequential = 1; 493 return 0; 494 } else if (!strncmp(mem, "randrw", 6)) { 495 td->ddir = 0; 496 td->iomix = 1; 497 td->sequential = 0; 498 return 0; 499 } 500 501 log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); 502 return 1; 503} 504 505static int str_verify_cb(struct thread_data *td, char *mem) 506{ 507 if (!strncmp(mem, "0", 1)) { 508 td->verify = VERIFY_NONE; 509 return 0; 510 } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { 511 td->verify = VERIFY_MD5; 512 return 0; 513 } else if (!strncmp(mem, "crc32", 5)) { 514 td->verify = VERIFY_CRC32; 515 return 0; 516 } 517 518 log_err("fio: verify types: md5, crc32\n"); 519 return 1; 520} 521 522static int str_mem_cb(struct thread_data *td, char *mem) 523{ 524 if (!strncmp(mem, "malloc", 6)) { 525 td->mem_type = MEM_MALLOC; 526 return 0; 527 } else if (!strncmp(mem, "shm", 3)) { 528 td->mem_type = MEM_SHM; 529 return 0; 530 } else if (!strncmp(mem, "mmap", 4)) { 531 td->mem_type = MEM_MMAP; 532 return 0; 533 } 534 535 log_err("fio: mem type: malloc, shm, mmap\n"); 536 return 1; 537} 538 539static int str_ioengine_cb(struct thread_data *td, char *str) 540{ 541 if (!strncmp(str, "linuxaio", 8) || !strncmp(str, "aio", 3) || 542 !strncmp(str, "libaio", 6)) { 543 strcpy(td->io_engine_name, "libaio"); 544 td->io_engine = FIO_LIBAIO; 545 return 0; 546 } else if (!strncmp(str, "posixaio", 8)) { 547 strcpy(td->io_engine_name, "posixaio"); 548 td->io_engine = FIO_POSIXAIO; 549 return 0; 550 } else if (!strncmp(str, "sync", 4)) { 551 strcpy(td->io_engine_name, "sync"); 552 td->io_engine = FIO_SYNCIO; 553 return 0; 554 } else if (!strncmp(str, "mmap", 4)) { 555 strcpy(td->io_engine_name, "mmap"); 556 td->io_engine = FIO_MMAPIO; 557 return 0; 558 } else if (!strncmp(str, "sgio", 4)) { 559 strcpy(td->io_engine_name, "sgio"); 560 td->io_engine = FIO_SGIO; 561 return 0; 562 } else if (!strncmp(str, "splice", 6)) { 563 strcpy(td->io_engine_name, "splice"); 564 td->io_engine = FIO_SPLICEIO; 565 return 0; 566 } 567 568 log_err("fio: ioengine: { linuxaio, aio, libaio }, posixaio, sync, mmap, sgio, splice\n"); 569 return 1; 570} 571 572/* 573 * This is our [ini] type file parser. 574 */ 575int parse_jobs_ini(char *file) 576{ 577 unsigned int prioclass, prio, cpu, global, il; 578 unsigned long long ull; 579 unsigned long ul1, ul2; 580 struct thread_data *td; 581 char *string, *name, *tmpbuf; 582 fpos_t off; 583 FILE *f; 584 char *p; 585 int ret = 0, stonewall = 1; 586 587 f = fopen(file, "r"); 588 if (!f) { 589 perror("fopen job file"); 590 return 1; 591 } 592 593 string = malloc(4096); 594 name = malloc(256); 595 tmpbuf = malloc(4096); 596 597 while ((p = fgets(string, 4096, f)) != NULL) { 598 if (ret) 599 break; 600 if (is_empty_or_comment(p)) 601 continue; 602 if (sscanf(p, "[%s]", name) != 1) 603 continue; 604 605 global = !strncmp(name, "global", 6); 606 607 name[strlen(name) - 1] = '\0'; 608 609 td = get_new_job(global, &def_thread); 610 if (!td) { 611 ret = 1; 612 break; 613 } 614 615 /* 616 * Seperate multiple job files by a stonewall 617 */ 618 if (!global && stonewall) { 619 td->stonewall = stonewall; 620 stonewall = 0; 621 } 622 623 fgetpos(f, &off); 624 while ((p = fgets(string, 4096, f)) != NULL) { 625 if (is_empty_or_comment(p)) 626 continue; 627 if (strstr(p, "[")) 628 break; 629 strip_blank_front(&p); 630 strip_blank_end(p); 631 632 if (!check_int(p, "prio", &prio)) { 633#ifndef FIO_HAVE_IOPRIO 634 log_err("io priorities not available\n"); 635 ret = 1; 636 break; 637#endif 638 td->ioprio |= prio; 639 fgetpos(f, &off); 640 continue; 641 } 642 if (!check_int(p, "prioclass", &prioclass)) { 643#ifndef FIO_HAVE_IOPRIO 644 log_err("io priorities not available\n"); 645 ret = 1; 646 break; 647#else 648 td->ioprio |= prioclass << IOPRIO_CLASS_SHIFT; 649 fgetpos(f, &off); 650 continue; 651#endif 652 } 653 if (!check_int(p, "direct", &il)) { 654 td->odirect = il; 655 fgetpos(f, &off); 656 continue; 657 } 658 if (!check_int(p, "rate", &td->rate)) { 659 fgetpos(f, &off); 660 continue; 661 } 662 if (!check_int(p, "ratemin", &td->ratemin)) { 663 fgetpos(f, &off); 664 continue; 665 } 666 if (!check_int(p, "ratecycle", &td->ratecycle)) { 667 fgetpos(f, &off); 668 continue; 669 } 670 if (!check_int(p, "thinktime", &td->thinktime)) { 671 fgetpos(f, &off); 672 continue; 673 } 674 if (!check_int(p, "cpumask", &cpu)) { 675#ifndef FIO_HAVE_CPU_AFFINITY 676 log_err("cpu affinity not available\n"); 677 ret = 1; 678 break; 679#endif 680 fill_cpu_mask(td->cpumask, cpu); 681 fgetpos(f, &off); 682 continue; 683 } 684 if (!check_int(p, "fsync", &td->fsync_blocks)) { 685 fgetpos(f, &off); 686 td->end_fsync = 1; 687 continue; 688 } 689 if (!check_int(p, "startdelay", &td->start_delay)) { 690 fgetpos(f, &off); 691 continue; 692 } 693 if (!check_int(p, "timeout", &td->timeout)) { 694 fgetpos(f, &off); 695 continue; 696 } 697 if (!check_int(p, "invalidate", &il)) { 698 td->invalidate_cache = il; 699 fgetpos(f, &off); 700 continue; 701 } 702 if (!check_int(p, "iodepth", &td->iodepth)) { 703 fgetpos(f, &off); 704 continue; 705 } 706 if (!check_int(p, "sync", &il)) { 707 td->sync_io = il; 708 fgetpos(f, &off); 709 continue; 710 } 711 if (!check_int(p, "bwavgtime", &td->bw_avg_time)) { 712 fgetpos(f, &off); 713 continue; 714 } 715 if (!check_int(p, "create_serialize", &il)) { 716 td->create_serialize = il; 717 fgetpos(f, &off); 718 continue; 719 } 720 if (!check_int(p, "create_fsync", &il)) { 721 td->create_fsync = il; 722 fgetpos(f, &off); 723 continue; 724 } 725 if (!check_int(p, "end_fsync", &il)) { 726 td->end_fsync = il; 727 fgetpos(f, &off); 728 continue; 729 } 730 if (!check_int(p, "loops", &td->loops)) { 731 fgetpos(f, &off); 732 continue; 733 } 734 if (!check_int(p, "numjobs", &td->numjobs)) { 735 fgetpos(f, &off); 736 continue; 737 } 738 if (!check_int(p, "overwrite", &il)) { 739 td->overwrite = il; 740 fgetpos(f, &off); 741 continue; 742 } 743 if (!check_int(p, "rwmixcycle", &td->rwmixcycle)) { 744 fgetpos(f, &off); 745 continue; 746 } 747 if (!check_int(p, "rwmixread", &il)) { 748 if (il > 100) 749 il = 100; 750 td->rwmixread = il; 751 fgetpos(f, &off); 752 continue; 753 } 754 if (!check_int(p, "rwmixwrite", &il)) { 755 if (il > 100) 756 il = 100; 757 td->rwmixread = 100 - il; 758 fgetpos(f, &off); 759 continue; 760 } 761 if (!check_int(p, "nice", &td->nice)) { 762 fgetpos(f, &off); 763 continue; 764 } 765 if (!check_range(p, "bsrange", &ul1, &ul2)) { 766 if (ul1 > ul2) { 767 td->max_bs = ul1; 768 td->min_bs = ul2; 769 } else { 770 td->max_bs = ul2; 771 td->min_bs = ul1; 772 } 773 fgetpos(f, &off); 774 continue; 775 } 776 if (!check_strcnv(p, "bs", &ull)) { 777 td->bs = ull; 778 fgetpos(f, &off); 779 continue; 780 } 781 if (!check_strcnv(p, "size", &td->file_size)) { 782 fgetpos(f, &off); 783 continue; 784 } 785 if (!check_strcnv(p, "offset", &td->file_offset)) { 786 fgetpos(f, &off); 787 continue; 788 } 789 if (!check_strcnv(p, "zonesize", &td->zone_size)) { 790 fgetpos(f, &off); 791 continue; 792 } 793 if (!check_strcnv(p, "zoneskip", &td->zone_skip)) { 794 fgetpos(f, &off); 795 continue; 796 } 797 if (!check_strcnv(p, "lockmem", &mlock_size)) { 798 fgetpos(f, &off); 799 continue; 800 } 801 if (!check_strstore(p, "directory", tmpbuf)) { 802 td->directory = strdup(tmpbuf); 803 fgetpos(f, &off); 804 continue; 805 } 806 if (!check_strstore(p, "name", tmpbuf)) { 807 snprintf(td->name, sizeof(td->name)-1, "%s%d", tmpbuf, td->thread_number); 808 fgetpos(f, &off); 809 continue; 810 } 811 if (!check_str(p, "mem", str_mem_cb, td)) { 812 fgetpos(f, &off); 813 continue; 814 } 815 if (!check_str(p, "verify", str_verify_cb, td)) { 816 fgetpos(f, &off); 817 continue; 818 } 819 if (!check_str(p, "rw", str_rw_cb, td)) { 820 fgetpos(f, &off); 821 continue; 822 } 823 if (!check_str(p, "ioengine", str_ioengine_cb, td)) { 824 fgetpos(f, &off); 825 continue; 826 } 827 if (!check_strset(p, "create")) { 828 td->create_file = 1; 829 fgetpos(f, &off); 830 continue; 831 } 832 if (!check_strset(p, "exitall")) { 833 exitall_on_terminate = 1; 834 fgetpos(f, &off); 835 continue; 836 } 837 if (!check_strset(p, "stonewall")) { 838 td->stonewall = 1; 839 fgetpos(f, &off); 840 continue; 841 } 842 if (!check_strset(p, "thread")) { 843 td->use_thread = 1; 844 fgetpos(f, &off); 845 continue; 846 } 847 if (!check_strstore(p, "iolog", tmpbuf)) { 848 if (td->write_iolog) { 849 log_err("fio: read iolog overrides given write_iolog\n"); 850 free(td->iolog_file); 851 td->write_iolog = 0; 852 } 853 td->iolog_file = strdup(tmpbuf); 854 td->read_iolog = 1; 855 fgetpos(f, &off); 856 continue; 857 } 858 if (!check_strstore(p, "write_iolog", tmpbuf)) { 859 if (!td->read_iolog) { 860 td->iolog_file = strdup(tmpbuf); 861 td->write_iolog = 1; 862 } else 863 log_err("fio: read iolog overrides given write_iolog\n"); 864 fgetpos(f, &off); 865 continue; 866 } 867 if (!check_strstore(p, "exec_prerun", tmpbuf)) { 868 td->exec_prerun = strdup(tmpbuf); 869 fgetpos(f, &off); 870 continue; 871 } 872 if (!check_strstore(p, "exec_postrun", tmpbuf)) { 873 td->exec_postrun = strdup(tmpbuf); 874 fgetpos(f, &off); 875 continue; 876 } 877 if (!check_strstore(p, "ioscheduler", tmpbuf)) { 878#ifndef FIO_HAVE_IOSCHED_SWITCH 879 log_err("io scheduler switching not available\n"); 880 ret = 1; 881 break; 882#else 883 td->ioscheduler = strdup(tmpbuf); 884 fgetpos(f, &off); 885 continue; 886#endif 887 } 888 889 /* 890 * Don't break here, continue parsing options so we 891 * dump all the bad ones. Makes trial/error fixups 892 * easier on the user. 893 */ 894 printf("Client%d: bad option %s\n",td->thread_number,p); 895 ret = 1; 896 } 897 898 if (!ret) { 899 fsetpos(f, &off); 900 ret = add_job(td, name, 0); 901 } 902 if (ret) 903 break; 904 } 905 906 free(string); 907 free(name); 908 free(tmpbuf); 909 fclose(f); 910 return ret; 911} 912 913static int fill_def_thread(void) 914{ 915 memset(&def_thread, 0, sizeof(def_thread)); 916 917 if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { 918 perror("sched_getaffinity"); 919 return 1; 920 } 921 922 /* 923 * fill globals 924 */ 925 def_thread.ddir = DDIR_READ; 926 def_thread.iomix = 0; 927 def_thread.bs = def_bs; 928 def_thread.min_bs = -1; 929 def_thread.max_bs = -1; 930 def_thread.io_engine = DEF_IO_ENGINE; 931 strcpy(def_thread.io_engine_name, DEF_IO_ENGINE_NAME); 932 def_thread.odirect = def_odirect; 933 def_thread.ratecycle = DEF_RATE_CYCLE; 934 def_thread.sequential = def_sequential; 935 def_thread.timeout = def_timeout; 936 def_thread.create_file = DEF_CREATE; 937 def_thread.overwrite = DEF_OVERWRITE; 938 def_thread.invalidate_cache = DEF_INVALIDATE; 939 def_thread.sync_io = DEF_SYNCIO; 940 def_thread.mem_type = MEM_MALLOC; 941 def_thread.bw_avg_time = DEF_BWAVGTIME; 942 def_thread.create_serialize = DEF_CREATE_SER; 943 def_thread.create_fsync = DEF_CREATE_FSYNC; 944 def_thread.loops = DEF_LOOPS; 945 def_thread.verify = DEF_VERIFY; 946 def_thread.stonewall = DEF_STONEWALL; 947 def_thread.numjobs = DEF_NUMJOBS; 948 def_thread.use_thread = DEF_USE_THREAD; 949 def_thread.rwmixcycle = DEF_RWMIX_CYCLE; 950 def_thread.rwmixread = DEF_RWMIX_READ; 951 def_thread.nice = DEF_NICE; 952#ifdef FIO_HAVE_DISK_UTIL 953 def_thread.do_disk_util = 1; 954#endif 955 956 return 0; 957} 958 959static void usage(char *name) 960{ 961 printf("%s\n", fio_version_string); 962 printf("\t-s IO is sequential\n"); 963 printf("\t-b Block size in KiB for each IO\n"); 964 printf("\t-t Runtime in seconds\n"); 965 printf("\t-R Exit all threads on failure to meet rate goal\n"); 966 printf("\t-o Use O_DIRECT\n"); 967 printf("\t-l Generate per-job latency logs\n"); 968 printf("\t-w Generate per-job bandwidth logs\n"); 969 printf("\t-f Job file (Required)\n"); 970 printf("\t-v Print version info and exit\n"); 971} 972 973static int parse_cmd_line(int argc, char *argv[]) 974{ 975 int c, idx = 1, ini_idx = 0; 976 977 while ((c = getopt(argc, argv, "s:b:t:r:R:o:f:lwvhO:")) != EOF) { 978 switch (c) { 979 case 's': 980 def_sequential = !!atoi(optarg); 981 idx++; 982 break; 983 case 'b': 984 def_bs = atoi(optarg); 985 def_bs <<= 10; 986 if (!def_bs) { 987 printf("bad block size\n"); 988 def_bs = DEF_BS; 989 } 990 idx++; 991 break; 992 case 't': 993 def_timeout = atoi(optarg); 994 idx++; 995 break; 996 case 'r': 997 def_repeatable = !!atoi(optarg); 998 idx++; 999 break; 1000 case 'R': 1001 rate_quit = !!atoi(optarg); 1002 idx++; 1003 break; 1004 case 'o': 1005 def_odirect = !!atoi(optarg); 1006 idx++; 1007 break; 1008 case 'f': 1009 ini_idx++; 1010 ini_file = realloc(ini_file, ini_idx * sizeof(char *)); 1011 ini_file[ini_idx - 1] = strdup(optarg); 1012 idx++; 1013 break; 1014 case 'l': 1015 write_lat_log = 1; 1016 idx++; 1017 break; 1018 case 'w': 1019 write_bw_log = 1; 1020 idx++; 1021 break; 1022 case 'O': 1023 f_out = fopen(optarg, "w+"); 1024 if (!f_out) { 1025 perror("fopen output"); 1026 exit(1); 1027 } 1028 f_err = f_out; 1029 idx++; 1030 break; 1031 case 'h': 1032 usage(argv[0]); 1033 exit(0); 1034 case 'v': 1035 printf("%s\n", fio_version_string); 1036 exit(0); 1037 } 1038 } 1039 1040 while (idx < argc) { 1041 ini_idx++; 1042 ini_file = realloc(ini_file, ini_idx * sizeof(char *)); 1043 ini_file[ini_idx - 1] = strdup(argv[idx]); 1044 idx++; 1045 } 1046 1047 if (!f_out) { 1048 f_out = stdout; 1049 f_err = stderr; 1050 } 1051 1052 return ini_idx; 1053} 1054 1055static void free_shm(void) 1056{ 1057 struct shmid_ds sbuf; 1058 1059 if (threads) { 1060 shmdt((void *) threads); 1061 threads = NULL; 1062 shmctl(shm_id, IPC_RMID, &sbuf); 1063 } 1064} 1065 1066static int setup_thread_area(void) 1067{ 1068 /* 1069 * 1024 is too much on some machines, scale max_jobs if 1070 * we get a failure that looks like too large a shm segment 1071 */ 1072 do { 1073 int s = max_jobs * sizeof(struct thread_data); 1074 1075 shm_id = shmget(0, s, IPC_CREAT | 0600); 1076 if (shm_id != -1) 1077 break; 1078 if (errno != EINVAL) { 1079 perror("shmget"); 1080 break; 1081 } 1082 1083 max_jobs >>= 1; 1084 } while (max_jobs); 1085 1086 if (shm_id == -1) 1087 return 1; 1088 1089 threads = shmat(shm_id, NULL, 0); 1090 if (threads == (void *) -1) { 1091 perror("shmat"); 1092 return 1; 1093 } 1094 1095 atexit(free_shm); 1096 return 0; 1097} 1098 1099int parse_options(int argc, char *argv[]) 1100{ 1101 int job_files, i; 1102 1103 if (setup_thread_area()) 1104 return 1; 1105 if (fill_def_thread()) 1106 return 1; 1107 1108 job_files = parse_cmd_line(argc, argv); 1109 if (!job_files) { 1110 log_err("Need job file(s)\n"); 1111 usage(argv[0]); 1112 return 1; 1113 } 1114 1115 for (i = 0; i < job_files; i++) { 1116 if (fill_def_thread()) 1117 return 1; 1118 if (parse_jobs_ini(ini_file[i])) 1119 return 1; 1120 free(ini_file[i]); 1121 } 1122 1123 free(ini_file); 1124 return 0; 1125} 1126