Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 1 | #include <stdio.h> |
| 2 | #include <string.h> |
| 3 | #include <sys/time.h> |
| 4 | #include <sys/types.h> |
| 5 | #include <sys/stat.h> |
| 6 | #include <dirent.h> |
| 7 | #include <libgen.h> |
| 8 | #include <math.h> |
Jens Axboe | 9edf7b3 | 2014-04-14 13:19:13 -0600 | [diff] [blame] | 9 | #include <assert.h> |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 10 | |
| 11 | #include "fio.h" |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 12 | #include "smalloc.h" |
Jens Axboe | 7c9b1bc | 2009-06-03 09:25:57 +0200 | [diff] [blame] | 13 | #include "diskutil.h" |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 14 | |
| 15 | static int last_majdev, last_mindev; |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 16 | static struct disk_util *last_du; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 17 | |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 18 | static struct fio_mutex *disk_util_mutex; |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 19 | |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 20 | FLIST_HEAD(disk_list); |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 21 | |
Jens Axboe | 2db4ecc | 2009-09-11 22:22:41 +0200 | [diff] [blame] | 22 | static struct disk_util *__init_per_file_disk_util(struct thread_data *td, |
| 23 | int majdev, int mindev, char *path); |
| 24 | |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 25 | static void disk_util_free(struct disk_util *du) |
| 26 | { |
| 27 | if (du == last_du) |
| 28 | last_du = NULL; |
| 29 | |
Jens Axboe | b8d541d | 2010-06-21 12:40:53 +0200 | [diff] [blame] | 30 | while (!flist_empty(&du->slaves)) { |
| 31 | struct disk_util *slave; |
| 32 | |
Jens Axboe | 12dbd06 | 2014-07-03 21:19:57 -0600 | [diff] [blame] | 33 | slave = flist_first_entry(&du->slaves, struct disk_util, slavelist); |
Jens Axboe | b8d541d | 2010-06-21 12:40:53 +0200 | [diff] [blame] | 34 | flist_del(&slave->slavelist); |
| 35 | slave->users--; |
| 36 | } |
Bruce Cran | 93bcfd2 | 2012-02-20 20:18:19 +0100 | [diff] [blame] | 37 | |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 38 | fio_mutex_remove(du->lock); |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 39 | sfree(du); |
| 40 | } |
| 41 | |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 42 | static int get_io_ticks(struct disk_util *du, struct disk_util_stat *dus) |
| 43 | { |
| 44 | unsigned in_flight; |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 45 | unsigned long long sectors[2]; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 46 | char line[256]; |
| 47 | FILE *f; |
| 48 | char *p; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 49 | int ret; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 50 | |
Jens Axboe | cd991b9 | 2008-03-07 13:19:35 +0100 | [diff] [blame] | 51 | dprint(FD_DISKUTIL, "open stat file: %s\n", du->path); |
| 52 | |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 53 | f = fopen(du->path, "r"); |
| 54 | if (!f) |
| 55 | return 1; |
| 56 | |
| 57 | p = fgets(line, sizeof(line), f); |
| 58 | if (!p) { |
| 59 | fclose(f); |
| 60 | return 1; |
| 61 | } |
| 62 | |
Jens Axboe | cd991b9 | 2008-03-07 13:19:35 +0100 | [diff] [blame] | 63 | dprint(FD_DISKUTIL, "%s: %s", du->path, p); |
| 64 | |
Jens Axboe | 2a3bf76 | 2014-12-01 09:42:48 -0700 | [diff] [blame] | 65 | ret = sscanf(p, "%llu %llu %llu %llu %llu %llu %llu %llu %u %llu %llu\n", |
| 66 | (unsigned long long *) &dus->s.ios[0], |
| 67 | (unsigned long long *) &dus->s.merges[0], |
| 68 | §ors[0], |
| 69 | (unsigned long long *) &dus->s.ticks[0], |
| 70 | (unsigned long long *) &dus->s.ios[1], |
| 71 | (unsigned long long *) &dus->s.merges[1], |
| 72 | §ors[1], |
| 73 | (unsigned long long *) &dus->s.ticks[1], |
| 74 | &in_flight, |
| 75 | (unsigned long long *) &dus->s.io_ticks, |
| 76 | (unsigned long long *) &dus->s.time_in_queue); |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 77 | fclose(f); |
Jens Axboe | cd991b9 | 2008-03-07 13:19:35 +0100 | [diff] [blame] | 78 | dprint(FD_DISKUTIL, "%s: stat read ok? %d\n", du->path, ret == 1); |
Jens Axboe | a3b4cf7 | 2014-04-11 12:17:53 -0600 | [diff] [blame] | 79 | dus->s.sectors[0] = sectors[0]; |
| 80 | dus->s.sectors[1] = sectors[1]; |
Jens Axboe | cd991b9 | 2008-03-07 13:19:35 +0100 | [diff] [blame] | 81 | return ret != 11; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 82 | } |
| 83 | |
| 84 | static void update_io_tick_disk(struct disk_util *du) |
| 85 | { |
| 86 | struct disk_util_stat __dus, *dus, *ldus; |
| 87 | struct timeval t; |
| 88 | |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 89 | if (!du->users) |
| 90 | return; |
Jens Axboe | 90b97ac | 2010-06-21 12:35:02 +0200 | [diff] [blame] | 91 | if (get_io_ticks(du, &__dus)) |
| 92 | return; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 93 | |
| 94 | dus = &du->dus; |
| 95 | ldus = &du->last_dus; |
| 96 | |
Jens Axboe | a3b4cf7 | 2014-04-11 12:17:53 -0600 | [diff] [blame] | 97 | dus->s.sectors[0] += (__dus.s.sectors[0] - ldus->s.sectors[0]); |
| 98 | dus->s.sectors[1] += (__dus.s.sectors[1] - ldus->s.sectors[1]); |
| 99 | dus->s.ios[0] += (__dus.s.ios[0] - ldus->s.ios[0]); |
| 100 | dus->s.ios[1] += (__dus.s.ios[1] - ldus->s.ios[1]); |
| 101 | dus->s.merges[0] += (__dus.s.merges[0] - ldus->s.merges[0]); |
| 102 | dus->s.merges[1] += (__dus.s.merges[1] - ldus->s.merges[1]); |
| 103 | dus->s.ticks[0] += (__dus.s.ticks[0] - ldus->s.ticks[0]); |
| 104 | dus->s.ticks[1] += (__dus.s.ticks[1] - ldus->s.ticks[1]); |
| 105 | dus->s.io_ticks += (__dus.s.io_ticks - ldus->s.io_ticks); |
| 106 | dus->s.time_in_queue += (__dus.s.time_in_queue - ldus->s.time_in_queue); |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 107 | |
| 108 | fio_gettime(&t, NULL); |
Jens Axboe | a3b4cf7 | 2014-04-11 12:17:53 -0600 | [diff] [blame] | 109 | dus->s.msec += mtime_since(&du->time, &t); |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 110 | memcpy(&du->time, &t, sizeof(t)); |
Jens Axboe | a3b4cf7 | 2014-04-11 12:17:53 -0600 | [diff] [blame] | 111 | memcpy(&ldus->s, &__dus.s, sizeof(__dus.s)); |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 112 | } |
| 113 | |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 114 | int update_io_ticks(void) |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 115 | { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 116 | struct flist_head *entry; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 117 | struct disk_util *du; |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 118 | int ret = 0; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 119 | |
Jens Axboe | cd991b9 | 2008-03-07 13:19:35 +0100 | [diff] [blame] | 120 | dprint(FD_DISKUTIL, "update io ticks\n"); |
| 121 | |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 122 | fio_mutex_down(disk_util_mutex); |
| 123 | |
Jens Axboe | 7fe3631 | 2014-10-23 23:16:50 -0600 | [diff] [blame] | 124 | if (!helper_exit) { |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 125 | flist_for_each(entry, &disk_list) { |
| 126 | du = flist_entry(entry, struct disk_util, list); |
| 127 | update_io_tick_disk(du); |
| 128 | } |
| 129 | } else |
| 130 | ret = 1; |
| 131 | |
| 132 | fio_mutex_up(disk_util_mutex); |
| 133 | return ret; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 134 | } |
| 135 | |
Jens Axboe | e11c410 | 2007-04-03 16:33:04 -0700 | [diff] [blame] | 136 | static struct disk_util *disk_util_exists(int major, int minor) |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 137 | { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 138 | struct flist_head *entry; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 139 | struct disk_util *du; |
| 140 | |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 141 | fio_mutex_down(disk_util_mutex); |
| 142 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 143 | flist_for_each(entry, &disk_list) { |
| 144 | du = flist_entry(entry, struct disk_util, list); |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 145 | |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 146 | if (major == du->major && minor == du->minor) { |
| 147 | fio_mutex_up(disk_util_mutex); |
Jens Axboe | e11c410 | 2007-04-03 16:33:04 -0700 | [diff] [blame] | 148 | return du; |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 149 | } |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 150 | } |
| 151 | |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 152 | fio_mutex_up(disk_util_mutex); |
Jens Axboe | e11c410 | 2007-04-03 16:33:04 -0700 | [diff] [blame] | 153 | return NULL; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 154 | } |
| 155 | |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 156 | static int get_device_numbers(char *file_name, int *maj, int *min) |
| 157 | { |
| 158 | struct stat st; |
| 159 | int majdev, mindev; |
| 160 | char tempname[PATH_MAX], *p; |
| 161 | |
| 162 | if (!lstat(file_name, &st)) { |
| 163 | if (S_ISBLK(st.st_mode)) { |
| 164 | majdev = major(st.st_rdev); |
| 165 | mindev = minor(st.st_rdev); |
| 166 | } else if (S_ISCHR(st.st_mode)) { |
| 167 | majdev = major(st.st_rdev); |
| 168 | mindev = minor(st.st_rdev); |
| 169 | if (fio_lookup_raw(st.st_rdev, &majdev, &mindev)) |
| 170 | return -1; |
| 171 | } else if (S_ISFIFO(st.st_mode)) |
| 172 | return -1; |
| 173 | else { |
| 174 | majdev = major(st.st_dev); |
| 175 | mindev = minor(st.st_dev); |
| 176 | } |
| 177 | } else { |
| 178 | /* |
| 179 | * must be a file, open "." in that path |
| 180 | */ |
| 181 | strncpy(tempname, file_name, PATH_MAX - 1); |
| 182 | p = dirname(tempname); |
| 183 | if (stat(p, &st)) { |
| 184 | perror("disk util stat"); |
| 185 | return -1; |
| 186 | } |
| 187 | |
| 188 | majdev = major(st.st_dev); |
| 189 | mindev = minor(st.st_dev); |
| 190 | } |
| 191 | |
| 192 | *min = mindev; |
| 193 | *maj = majdev; |
| 194 | |
| 195 | return 0; |
| 196 | } |
| 197 | |
| 198 | static int read_block_dev_entry(char *path, int *maj, int *min) |
| 199 | { |
| 200 | char line[256], *p; |
| 201 | FILE *f; |
| 202 | |
| 203 | f = fopen(path, "r"); |
| 204 | if (!f) { |
| 205 | perror("open path"); |
| 206 | return 1; |
| 207 | } |
| 208 | |
| 209 | p = fgets(line, sizeof(line), f); |
| 210 | fclose(f); |
| 211 | |
| 212 | if (!p) |
| 213 | return 1; |
| 214 | |
| 215 | if (sscanf(p, "%u:%u", maj, min) != 2) |
| 216 | return 1; |
| 217 | |
| 218 | return 0; |
| 219 | } |
| 220 | |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 221 | static void find_add_disk_slaves(struct thread_data *td, char *path, |
Jens Axboe | 2db4ecc | 2009-09-11 22:22:41 +0200 | [diff] [blame] | 222 | struct disk_util *masterdu) |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 223 | { |
| 224 | DIR *dirhandle = NULL; |
| 225 | struct dirent *dirent = NULL; |
| 226 | char slavesdir[PATH_MAX], temppath[PATH_MAX], slavepath[PATH_MAX]; |
| 227 | struct disk_util *slavedu = NULL; |
| 228 | int majdev, mindev; |
| 229 | ssize_t linklen; |
| 230 | |
Jens Axboe | 2db4ecc | 2009-09-11 22:22:41 +0200 | [diff] [blame] | 231 | sprintf(slavesdir, "%s/%s", path, "slaves"); |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 232 | dirhandle = opendir(slavesdir); |
| 233 | if (!dirhandle) |
| 234 | return; |
| 235 | |
| 236 | while ((dirent = readdir(dirhandle)) != NULL) { |
Jens Axboe | 2db4ecc | 2009-09-11 22:22:41 +0200 | [diff] [blame] | 237 | if (!strcmp(dirent->d_name, ".") || |
| 238 | !strcmp(dirent->d_name, "..")) |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 239 | continue; |
| 240 | |
Bruce Cran | b9fd788 | 2012-02-20 17:01:46 +0000 | [diff] [blame] | 241 | sprintf(temppath, "%s%s%s", slavesdir, FIO_OS_PATH_SEPARATOR, dirent->d_name); |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 242 | /* Can we always assume that the slaves device entries |
| 243 | * are links to the real directories for the slave |
| 244 | * devices? |
| 245 | */ |
Jens Axboe | 976406b | 2014-04-08 21:15:09 -0600 | [diff] [blame] | 246 | linklen = readlink(temppath, slavepath, PATH_MAX - 1); |
Jens Axboe | 2db4ecc | 2009-09-11 22:22:41 +0200 | [diff] [blame] | 247 | if (linklen < 0) { |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 248 | perror("readlink() for slave device."); |
Jens Axboe | f0cc675 | 2014-04-11 11:31:17 -0600 | [diff] [blame] | 249 | closedir(dirhandle); |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 250 | return; |
| 251 | } |
Jens Axboe | 2db4ecc | 2009-09-11 22:22:41 +0200 | [diff] [blame] | 252 | slavepath[linklen] = '\0'; |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 253 | |
| 254 | sprintf(temppath, "%s/%s/dev", slavesdir, slavepath); |
| 255 | if (read_block_dev_entry(temppath, &majdev, &mindev)) { |
| 256 | perror("Error getting slave device numbers."); |
Jens Axboe | f0cc675 | 2014-04-11 11:31:17 -0600 | [diff] [blame] | 257 | closedir(dirhandle); |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 258 | return; |
| 259 | } |
| 260 | |
Alan D. Brunelle | b06de82 | 2009-09-11 14:57:10 -0400 | [diff] [blame] | 261 | /* |
| 262 | * See if this maj,min already exists |
| 263 | */ |
| 264 | slavedu = disk_util_exists(majdev, mindev); |
| 265 | if (slavedu) |
| 266 | continue; |
| 267 | |
Bruce Cran | b9fd788 | 2012-02-20 17:01:46 +0000 | [diff] [blame] | 268 | sprintf(temppath, "%s%s%s", slavesdir, FIO_OS_PATH_SEPARATOR, slavepath); |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 269 | __init_per_file_disk_util(td, majdev, mindev, temppath); |
| 270 | slavedu = disk_util_exists(majdev, mindev); |
| 271 | |
| 272 | /* Should probably use an assert here. slavedu should |
| 273 | * always be present at this point. */ |
Jens Axboe | b8d541d | 2010-06-21 12:40:53 +0200 | [diff] [blame] | 274 | if (slavedu) { |
| 275 | slavedu->users++; |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 276 | flist_add_tail(&slavedu->slavelist, &masterdu->slaves); |
Jens Axboe | b8d541d | 2010-06-21 12:40:53 +0200 | [diff] [blame] | 277 | } |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 278 | } |
| 279 | |
| 280 | closedir(dirhandle); |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 281 | } |
| 282 | |
Jens Axboe | b8fefc2 | 2011-09-08 13:08:05 +0200 | [diff] [blame] | 283 | static struct disk_util *disk_util_add(struct thread_data *td, int majdev, |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 284 | int mindev, char *path) |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 285 | { |
| 286 | struct disk_util *du, *__du; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 287 | struct flist_head *entry; |
Ken Raeburn | 4b919f7 | 2013-01-29 10:18:13 +0100 | [diff] [blame] | 288 | int l; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 289 | |
Jens Axboe | cd991b9 | 2008-03-07 13:19:35 +0100 | [diff] [blame] | 290 | dprint(FD_DISKUTIL, "add maj/min %d/%d: %s\n", majdev, mindev, path); |
| 291 | |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 292 | du = smalloc(sizeof(*du)); |
Jens Axboe | fba5c5f | 2013-01-29 22:29:09 +0100 | [diff] [blame] | 293 | if (!du) { |
| 294 | log_err("fio: smalloc() pool exhausted\n"); |
| 295 | return NULL; |
| 296 | } |
| 297 | |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 298 | memset(du, 0, sizeof(*du)); |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 299 | INIT_FLIST_HEAD(&du->list); |
Ken Raeburn | 4b919f7 | 2013-01-29 10:18:13 +0100 | [diff] [blame] | 300 | l = snprintf(du->path, sizeof(du->path), "%s/stat", path); |
| 301 | if (l < 0 || l >= sizeof(du->path)) { |
| 302 | log_err("constructed path \"%.100s[...]/stat\" larger than buffer (%zu bytes)\n", |
| 303 | path, sizeof(du->path) - 1); |
| 304 | sfree(du); |
| 305 | return NULL; |
| 306 | } |
Jens Axboe | a2ba41e | 2014-04-14 13:25:12 -0600 | [diff] [blame] | 307 | strncpy((char *) du->dus.name, basename(path), FIO_DU_NAME_SZ - 1); |
Jens Axboe | e11c410 | 2007-04-03 16:33:04 -0700 | [diff] [blame] | 308 | du->sysfs_root = path; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 309 | du->major = majdev; |
| 310 | du->minor = mindev; |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 311 | INIT_FLIST_HEAD(&du->slavelist); |
| 312 | INIT_FLIST_HEAD(&du->slaves); |
Jens Axboe | 521da52 | 2012-08-02 11:21:36 +0200 | [diff] [blame] | 313 | du->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 314 | du->users = 0; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 315 | |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 316 | fio_mutex_down(disk_util_mutex); |
| 317 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 318 | flist_for_each(entry, &disk_list) { |
| 319 | __du = flist_entry(entry, struct disk_util, list); |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 320 | |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 321 | dprint(FD_DISKUTIL, "found %s in list\n", __du->dus.name); |
Jens Axboe | cd991b9 | 2008-03-07 13:19:35 +0100 | [diff] [blame] | 322 | |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 323 | if (!strcmp((char *) du->dus.name, (char *) __du->dus.name)) { |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 324 | disk_util_free(du); |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 325 | fio_mutex_up(disk_util_mutex); |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 326 | return __du; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 327 | } |
| 328 | } |
| 329 | |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 330 | dprint(FD_DISKUTIL, "add %s to list\n", du->dus.name); |
Jens Axboe | cd991b9 | 2008-03-07 13:19:35 +0100 | [diff] [blame] | 331 | |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 332 | fio_gettime(&du->time, NULL); |
| 333 | get_io_ticks(du, &du->last_dus); |
| 334 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 335 | flist_add_tail(&du->list, &disk_list); |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 336 | fio_mutex_up(disk_util_mutex); |
| 337 | |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 338 | find_add_disk_slaves(td, path, du); |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 339 | return du; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 340 | } |
| 341 | |
| 342 | static int check_dev_match(int majdev, int mindev, char *path) |
| 343 | { |
| 344 | int major, minor; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 345 | |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 346 | if (read_block_dev_entry(path, &major, &minor)) |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 347 | return 1; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 348 | |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 349 | if (majdev == major && mindev == minor) |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 350 | return 0; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 351 | |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 352 | return 1; |
| 353 | } |
| 354 | |
Jens Axboe | ac0be2a | 2008-06-06 12:08:04 +0200 | [diff] [blame] | 355 | static int find_block_dir(int majdev, int mindev, char *path, int link_ok) |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 356 | { |
| 357 | struct dirent *dir; |
| 358 | struct stat st; |
| 359 | int found = 0; |
| 360 | DIR *D; |
| 361 | |
| 362 | D = opendir(path); |
| 363 | if (!D) |
| 364 | return 0; |
| 365 | |
| 366 | while ((dir = readdir(D)) != NULL) { |
| 367 | char full_path[256]; |
| 368 | |
| 369 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
| 370 | continue; |
| 371 | |
Bruce Cran | b9fd788 | 2012-02-20 17:01:46 +0000 | [diff] [blame] | 372 | sprintf(full_path, "%s%s%s", path, FIO_OS_PATH_SEPARATOR, dir->d_name); |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 373 | |
| 374 | if (!strcmp(dir->d_name, "dev")) { |
| 375 | if (!check_dev_match(majdev, mindev, full_path)) { |
| 376 | found = 1; |
| 377 | break; |
| 378 | } |
| 379 | } |
| 380 | |
Jens Axboe | ac0be2a | 2008-06-06 12:08:04 +0200 | [diff] [blame] | 381 | if (link_ok) { |
| 382 | if (stat(full_path, &st) == -1) { |
| 383 | perror("stat"); |
| 384 | break; |
| 385 | } |
| 386 | } else { |
| 387 | if (lstat(full_path, &st) == -1) { |
| 388 | perror("stat"); |
| 389 | break; |
| 390 | } |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 391 | } |
| 392 | |
| 393 | if (!S_ISDIR(st.st_mode) || S_ISLNK(st.st_mode)) |
| 394 | continue; |
| 395 | |
Jens Axboe | ac0be2a | 2008-06-06 12:08:04 +0200 | [diff] [blame] | 396 | found = find_block_dir(majdev, mindev, full_path, 0); |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 397 | if (found) { |
| 398 | strcpy(path, full_path); |
| 399 | break; |
| 400 | } |
| 401 | } |
| 402 | |
| 403 | closedir(D); |
| 404 | return found; |
| 405 | } |
| 406 | |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 407 | static struct disk_util *__init_per_file_disk_util(struct thread_data *td, |
| 408 | int majdev, int mindev, |
| 409 | char *path) |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 410 | { |
| 411 | struct stat st; |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 412 | char tmp[PATH_MAX]; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 413 | char *p; |
| 414 | |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 415 | /* |
| 416 | * If there's a ../queue/ directory there, we are inside a partition. |
| 417 | * Check if that is the case and jump back. For loop/md/dm etc we |
| 418 | * are already in the right spot. |
| 419 | */ |
| 420 | sprintf(tmp, "%s/../queue", path); |
| 421 | if (!stat(tmp, &st)) { |
| 422 | p = dirname(path); |
| 423 | sprintf(tmp, "%s/queue", p); |
| 424 | if (stat(tmp, &st)) { |
| 425 | log_err("unknown sysfs layout\n"); |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 426 | return NULL; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 427 | } |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 428 | strncpy(tmp, p, PATH_MAX - 1); |
| 429 | sprintf(path, "%s", tmp); |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 430 | } |
| 431 | |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 432 | if (td->o.ioscheduler && !td->sysfs_root) |
| 433 | td->sysfs_root = strdup(path); |
| 434 | |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 435 | return disk_util_add(td, majdev, mindev, path); |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 436 | } |
| 437 | |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 438 | static struct disk_util *init_per_file_disk_util(struct thread_data *td, |
| 439 | char *filename) |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 440 | { |
| 441 | |
| 442 | char foo[PATH_MAX]; |
| 443 | struct disk_util *du; |
| 444 | int mindev, majdev; |
| 445 | |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 446 | if (get_device_numbers(filename, &majdev, &mindev)) |
| 447 | return NULL; |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 448 | |
| 449 | dprint(FD_DISKUTIL, "%s belongs to maj/min %d/%d\n", filename, majdev, |
| 450 | mindev); |
Jens Axboe | cd991b9 | 2008-03-07 13:19:35 +0100 | [diff] [blame] | 451 | |
Jens Axboe | e11c410 | 2007-04-03 16:33:04 -0700 | [diff] [blame] | 452 | du = disk_util_exists(majdev, mindev); |
| 453 | if (du) { |
| 454 | if (td->o.ioscheduler && !td->sysfs_root) |
| 455 | td->sysfs_root = strdup(du->sysfs_root); |
| 456 | |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 457 | return du; |
Jens Axboe | e11c410 | 2007-04-03 16:33:04 -0700 | [diff] [blame] | 458 | } |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 459 | |
| 460 | /* |
| 461 | * for an fs without a device, we will repeatedly stat through |
| 462 | * sysfs which can take oodles of time for thousands of files. so |
| 463 | * cache the last lookup and compare with that before going through |
| 464 | * everything again. |
| 465 | */ |
| 466 | if (mindev == last_mindev && majdev == last_majdev) |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 467 | return last_du; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 468 | |
| 469 | last_mindev = mindev; |
| 470 | last_majdev = majdev; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 471 | |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 472 | sprintf(foo, "/sys/block"); |
Jens Axboe | ac0be2a | 2008-06-06 12:08:04 +0200 | [diff] [blame] | 473 | if (!find_block_dir(majdev, mindev, foo, 1)) |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 474 | return NULL; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 475 | |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 476 | return __init_per_file_disk_util(td, majdev, mindev, foo); |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 477 | } |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 478 | |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 479 | static struct disk_util *__init_disk_util(struct thread_data *td, |
| 480 | struct fio_file *f) |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 481 | { |
| 482 | return init_per_file_disk_util(td, f->file_name); |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 483 | } |
| 484 | |
| 485 | void init_disk_util(struct thread_data *td) |
| 486 | { |
| 487 | struct fio_file *f; |
| 488 | unsigned int i; |
| 489 | |
| 490 | if (!td->o.do_disk_util || |
| 491 | (td->io_ops->flags & (FIO_DISKLESSIO | FIO_NODISKUTIL))) |
| 492 | return; |
| 493 | |
| 494 | for_each_file(td, f, i) |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 495 | f->du = __init_disk_util(td, f); |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 496 | } |
| 497 | |
Jens Axboe | f2f788d | 2011-10-13 14:03:52 +0200 | [diff] [blame] | 498 | static void show_agg_stats(struct disk_util_agg *agg, int terse) |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 499 | { |
| 500 | if (!agg->slavecount) |
| 501 | return; |
| 502 | |
Jens Axboe | f2f788d | 2011-10-13 14:03:52 +0200 | [diff] [blame] | 503 | if (!terse) { |
Jens Axboe | 2a3bf76 | 2014-12-01 09:42:48 -0700 | [diff] [blame] | 504 | log_info(", aggrios=%llu/%llu, aggrmerge=%llu/%llu, " |
| 505 | "aggrticks=%llu/%llu, aggrin_queue=%llu, " |
| 506 | "aggrutil=%3.2f%%", |
| 507 | (unsigned long long) agg->ios[0] / agg->slavecount, |
| 508 | (unsigned long long) agg->ios[1] / agg->slavecount, |
| 509 | (unsigned long long) agg->merges[0] / agg->slavecount, |
| 510 | (unsigned long long) agg->merges[1] / agg->slavecount, |
| 511 | (unsigned long long) agg->ticks[0] / agg->slavecount, |
| 512 | (unsigned long long) agg->ticks[1] / agg->slavecount, |
| 513 | (unsigned long long) agg->time_in_queue / agg->slavecount, |
| 514 | agg->max_util.u.f); |
Jens Axboe | f2f788d | 2011-10-13 14:03:52 +0200 | [diff] [blame] | 515 | } else { |
Jens Axboe | 2a3bf76 | 2014-12-01 09:42:48 -0700 | [diff] [blame] | 516 | log_info(";slaves;%llu;%llu;%llu;%llu;%llu;%llu;%llu;%3.2f%%", |
| 517 | (unsigned long long) agg->ios[0] / agg->slavecount, |
| 518 | (unsigned long long) agg->ios[1] / agg->slavecount, |
| 519 | (unsigned long long) agg->merges[0] / agg->slavecount, |
| 520 | (unsigned long long) agg->merges[1] / agg->slavecount, |
| 521 | (unsigned long long) agg->ticks[0] / agg->slavecount, |
| 522 | (unsigned long long) agg->ticks[1] / agg->slavecount, |
| 523 | (unsigned long long) agg->time_in_queue / agg->slavecount, |
| 524 | agg->max_util.u.f); |
Jens Axboe | f2f788d | 2011-10-13 14:03:52 +0200 | [diff] [blame] | 525 | } |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 526 | } |
| 527 | |
Shehjar Tikoo | 043b74b | 2008-09-30 11:11:35 +1000 | [diff] [blame] | 528 | static void aggregate_slaves_stats(struct disk_util *masterdu) |
| 529 | { |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 530 | struct disk_util_agg *agg = &masterdu->agg; |
Shehjar Tikoo | 043b74b | 2008-09-30 11:11:35 +1000 | [diff] [blame] | 531 | struct disk_util_stat *dus; |
| 532 | struct flist_head *entry; |
| 533 | struct disk_util *slavedu; |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 534 | double util; |
Shehjar Tikoo | 043b74b | 2008-09-30 11:11:35 +1000 | [diff] [blame] | 535 | |
| 536 | flist_for_each(entry, &masterdu->slaves) { |
| 537 | slavedu = flist_entry(entry, struct disk_util, slavelist); |
| 538 | dus = &slavedu->dus; |
Jens Axboe | a3b4cf7 | 2014-04-11 12:17:53 -0600 | [diff] [blame] | 539 | agg->ios[0] += dus->s.ios[0]; |
| 540 | agg->ios[1] += dus->s.ios[1]; |
| 541 | agg->merges[0] += dus->s.merges[0]; |
| 542 | agg->merges[1] += dus->s.merges[1]; |
| 543 | agg->sectors[0] += dus->s.sectors[0]; |
| 544 | agg->sectors[1] += dus->s.sectors[1]; |
| 545 | agg->ticks[0] += dus->s.ticks[0]; |
| 546 | agg->ticks[1] += dus->s.ticks[1]; |
| 547 | agg->time_in_queue += dus->s.time_in_queue; |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 548 | agg->slavecount++; |
Shehjar Tikoo | 043b74b | 2008-09-30 11:11:35 +1000 | [diff] [blame] | 549 | |
Jens Axboe | a3b4cf7 | 2014-04-11 12:17:53 -0600 | [diff] [blame] | 550 | util = (double) (100 * dus->s.io_ticks / (double) slavedu->dus.s.msec); |
Shehjar Tikoo | 043b74b | 2008-09-30 11:11:35 +1000 | [diff] [blame] | 551 | /* System utilization is the utilization of the |
| 552 | * component with the highest utilization. |
| 553 | */ |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 554 | if (util > agg->max_util.u.f) |
| 555 | agg->max_util.u.f = util; |
Shehjar Tikoo | 043b74b | 2008-09-30 11:11:35 +1000 | [diff] [blame] | 556 | |
| 557 | } |
| 558 | |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 559 | if (agg->max_util.u.f > 100.0) |
| 560 | agg->max_util.u.f = 100.0; |
| 561 | } |
Shehjar Tikoo | 043b74b | 2008-09-30 11:11:35 +1000 | [diff] [blame] | 562 | |
Jens Axboe | 2735718 | 2012-09-27 11:31:50 +0200 | [diff] [blame] | 563 | void disk_util_prune_entries(void) |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 564 | { |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 565 | fio_mutex_down(disk_util_mutex); |
| 566 | |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 567 | while (!flist_empty(&disk_list)) { |
Jens Axboe | 2735718 | 2012-09-27 11:31:50 +0200 | [diff] [blame] | 568 | struct disk_util *du; |
| 569 | |
Jens Axboe | 12dbd06 | 2014-07-03 21:19:57 -0600 | [diff] [blame] | 570 | du = flist_first_entry(&disk_list, struct disk_util, list); |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 571 | flist_del(&du->list); |
| 572 | disk_util_free(du); |
| 573 | } |
| 574 | |
| 575 | last_majdev = last_mindev = -1; |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 576 | fio_mutex_up(disk_util_mutex); |
| 577 | fio_mutex_remove(disk_util_mutex); |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 578 | } |
| 579 | |
Jens Axboe | f2f788d | 2011-10-13 14:03:52 +0200 | [diff] [blame] | 580 | void print_disk_util(struct disk_util_stat *dus, struct disk_util_agg *agg, |
| 581 | int terse) |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 582 | { |
Jens Axboe | 6914f59 | 2012-02-03 12:06:19 +0100 | [diff] [blame] | 583 | double util = 0; |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 584 | |
Jens Axboe | a3b4cf7 | 2014-04-11 12:17:53 -0600 | [diff] [blame] | 585 | if (dus->s.msec) |
| 586 | util = (double) 100 * dus->s.io_ticks / (double) dus->s.msec; |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 587 | if (util > 100.0) |
| 588 | util = 100.0; |
| 589 | |
Jens Axboe | f2f788d | 2011-10-13 14:03:52 +0200 | [diff] [blame] | 590 | if (!terse) { |
Jens Axboe | f1d6455 | 2012-02-10 19:30:23 +0100 | [diff] [blame] | 591 | if (agg->slavecount) |
| 592 | log_info(" "); |
| 593 | |
Jens Axboe | 2a3bf76 | 2014-12-01 09:42:48 -0700 | [diff] [blame] | 594 | log_info(" %s: ios=%llu/%llu, merge=%llu/%llu, " |
| 595 | "ticks=%llu/%llu, in_queue=%llu, util=%3.2f%%", |
| 596 | dus->name, |
| 597 | (unsigned long long) dus->s.ios[0], |
| 598 | (unsigned long long) dus->s.ios[1], |
| 599 | (unsigned long long) dus->s.merges[0], |
| 600 | (unsigned long long) dus->s.merges[1], |
| 601 | (unsigned long long) dus->s.ticks[0], |
| 602 | (unsigned long long) dus->s.ticks[1], |
| 603 | (unsigned long long) dus->s.time_in_queue, |
| 604 | util); |
Jens Axboe | f2f788d | 2011-10-13 14:03:52 +0200 | [diff] [blame] | 605 | } else { |
Jens Axboe | 2a3bf76 | 2014-12-01 09:42:48 -0700 | [diff] [blame] | 606 | log_info(";%s;%llu;%llu;%llu;%llu;%llu;%llu;%llu;%3.2f%%", |
| 607 | dus->name, |
| 608 | (unsigned long long) dus->s.ios[0], |
| 609 | (unsigned long long) dus->s.ios[1], |
| 610 | (unsigned long long) dus->s.merges[0], |
| 611 | (unsigned long long) dus->s.merges[1], |
| 612 | (unsigned long long) dus->s.ticks[0], |
| 613 | (unsigned long long) dus->s.ticks[1], |
| 614 | (unsigned long long) dus->s.time_in_queue, |
| 615 | util); |
Jens Axboe | f2f788d | 2011-10-13 14:03:52 +0200 | [diff] [blame] | 616 | } |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 617 | |
| 618 | /* |
| 619 | * If the device has slaves, aggregate the stats for |
| 620 | * those slave devices also. |
| 621 | */ |
Jens Axboe | f1d6455 | 2012-02-10 19:30:23 +0100 | [diff] [blame] | 622 | show_agg_stats(agg, terse); |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 623 | |
Jens Axboe | f2f788d | 2011-10-13 14:03:52 +0200 | [diff] [blame] | 624 | if (!terse) |
| 625 | log_info("\n"); |
Shehjar Tikoo | 043b74b | 2008-09-30 11:11:35 +1000 | [diff] [blame] | 626 | } |
| 627 | |
Castor Fu | 952b05e | 2013-10-31 11:00:34 -0600 | [diff] [blame] | 628 | void json_array_add_disk_util(struct disk_util_stat *dus, |
| 629 | struct disk_util_agg *agg, struct json_array *array) |
Shaohua Li | cc372b1 | 2012-09-17 09:12:18 +0200 | [diff] [blame] | 630 | { |
Shaohua Li | cc372b1 | 2012-09-17 09:12:18 +0200 | [diff] [blame] | 631 | struct json_object *obj; |
Castor Fu | 952b05e | 2013-10-31 11:00:34 -0600 | [diff] [blame] | 632 | double util = 0; |
Shaohua Li | cc372b1 | 2012-09-17 09:12:18 +0200 | [diff] [blame] | 633 | |
Jens Axboe | a3b4cf7 | 2014-04-11 12:17:53 -0600 | [diff] [blame] | 634 | if (dus->s.msec) |
| 635 | util = (double) 100 * dus->s.io_ticks / (double) dus->s.msec; |
Shaohua Li | cc372b1 | 2012-09-17 09:12:18 +0200 | [diff] [blame] | 636 | if (util > 100.0) |
| 637 | util = 100.0; |
| 638 | |
Castor Fu | 952b05e | 2013-10-31 11:00:34 -0600 | [diff] [blame] | 639 | obj = json_create_object(); |
| 640 | json_array_add_value_object(array, obj); |
Shaohua Li | cc372b1 | 2012-09-17 09:12:18 +0200 | [diff] [blame] | 641 | |
| 642 | json_object_add_value_string(obj, "name", dus->name); |
Jens Axboe | a3b4cf7 | 2014-04-11 12:17:53 -0600 | [diff] [blame] | 643 | json_object_add_value_int(obj, "read_ios", dus->s.ios[0]); |
| 644 | json_object_add_value_int(obj, "write_ios", dus->s.ios[1]); |
| 645 | json_object_add_value_int(obj, "read_merges", dus->s.merges[0]); |
| 646 | json_object_add_value_int(obj, "write_merges", dus->s.merges[1]); |
| 647 | json_object_add_value_int(obj, "read_ticks", dus->s.ticks[0]); |
| 648 | json_object_add_value_int(obj, "write_ticks", dus->s.ticks[1]); |
| 649 | json_object_add_value_int(obj, "in_queue", dus->s.time_in_queue); |
Shaohua Li | cc372b1 | 2012-09-17 09:12:18 +0200 | [diff] [blame] | 650 | json_object_add_value_float(obj, "util", util); |
| 651 | |
| 652 | /* |
| 653 | * If the device has slaves, aggregate the stats for |
| 654 | * those slave devices also. |
| 655 | */ |
| 656 | if (!agg->slavecount) |
| 657 | return; |
| 658 | json_object_add_value_int(obj, "aggr_read_ios", |
| 659 | agg->ios[0] / agg->slavecount); |
| 660 | json_object_add_value_int(obj, "aggr_write_ios", |
| 661 | agg->ios[1] / agg->slavecount); |
| 662 | json_object_add_value_int(obj, "aggr_read_merges", |
| 663 | agg->merges[0] / agg->slavecount); |
| 664 | json_object_add_value_int(obj, "aggr_write_merge", |
| 665 | agg->merges[1] / agg->slavecount); |
| 666 | json_object_add_value_int(obj, "aggr_read_ticks", |
| 667 | agg->ticks[0] / agg->slavecount); |
| 668 | json_object_add_value_int(obj, "aggr_write_ticks", |
| 669 | agg->ticks[1] / agg->slavecount); |
| 670 | json_object_add_value_int(obj, "aggr_in_queue", |
| 671 | agg->time_in_queue / agg->slavecount); |
| 672 | json_object_add_value_float(obj, "aggr_util", agg->max_util.u.f); |
| 673 | } |
| 674 | |
Jens Axboe | 10aa136 | 2014-04-01 21:10:36 -0600 | [diff] [blame] | 675 | static void json_object_add_disk_utils(struct json_object *obj, |
| 676 | struct flist_head *head) |
Castor Fu | 952b05e | 2013-10-31 11:00:34 -0600 | [diff] [blame] | 677 | { |
| 678 | struct json_array *array = json_create_array(); |
| 679 | struct flist_head *entry; |
| 680 | struct disk_util *du; |
| 681 | |
| 682 | json_object_add_value_array(obj, "disk_util", array); |
| 683 | |
| 684 | flist_for_each(entry, head) { |
| 685 | du = flist_entry(entry, struct disk_util, list); |
| 686 | |
| 687 | aggregate_slaves_stats(du); |
| 688 | json_array_add_disk_util(&du->dus, &du->agg, array); |
| 689 | } |
| 690 | } |
| 691 | |
Shaohua Li | cc372b1 | 2012-09-17 09:12:18 +0200 | [diff] [blame] | 692 | void show_disk_util(int terse, struct json_object *parent) |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 693 | { |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 694 | struct flist_head *entry; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 695 | struct disk_util *du; |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 696 | |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 697 | fio_mutex_down(disk_util_mutex); |
| 698 | |
| 699 | if (flist_empty(&disk_list)) { |
| 700 | fio_mutex_up(disk_util_mutex); |
Jens Axboe | 0a839f3 | 2007-04-26 09:02:34 +0200 | [diff] [blame] | 701 | return; |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 702 | } |
Jens Axboe | 0a839f3 | 2007-04-26 09:02:34 +0200 | [diff] [blame] | 703 | |
Jens Axboe | 9edf7b3 | 2014-04-14 13:19:13 -0600 | [diff] [blame] | 704 | if (output_format == FIO_OUTPUT_JSON) |
| 705 | assert(parent); |
| 706 | |
| 707 | if (!terse && output_format != FIO_OUTPUT_JSON) |
Jens Axboe | f2f788d | 2011-10-13 14:03:52 +0200 | [diff] [blame] | 708 | log_info("\nDisk stats (read/write):\n"); |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 709 | |
Jens Axboe | 9edf7b3 | 2014-04-14 13:19:13 -0600 | [diff] [blame] | 710 | if (output_format == FIO_OUTPUT_JSON) |
Castor Fu | 952b05e | 2013-10-31 11:00:34 -0600 | [diff] [blame] | 711 | json_object_add_disk_utils(parent, &disk_list); |
Jens Axboe | 9edf7b3 | 2014-04-14 13:19:13 -0600 | [diff] [blame] | 712 | else |
Castor Fu | 952b05e | 2013-10-31 11:00:34 -0600 | [diff] [blame] | 713 | flist_for_each(entry, &disk_list) { |
| 714 | du = flist_entry(entry, struct disk_util, list); |
Shaohua Li | cc372b1 | 2012-09-17 09:12:18 +0200 | [diff] [blame] | 715 | |
Castor Fu | 952b05e | 2013-10-31 11:00:34 -0600 | [diff] [blame] | 716 | aggregate_slaves_stats(du); |
Shaohua Li | cc372b1 | 2012-09-17 09:12:18 +0200 | [diff] [blame] | 717 | print_disk_util(&du->dus, &du->agg, terse); |
Castor Fu | 952b05e | 2013-10-31 11:00:34 -0600 | [diff] [blame] | 718 | } |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 719 | |
| 720 | fio_mutex_up(disk_util_mutex); |
| 721 | } |
| 722 | |
| 723 | void setup_disk_util(void) |
| 724 | { |
Jens Axboe | 521da52 | 2012-08-02 11:21:36 +0200 | [diff] [blame] | 725 | disk_util_mutex = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 726 | } |