dcpus: Calculate CPU utilization per CPU core from /proc/stat on multicore system

ABOUT THE FOLLOWING COMMAND: display general info

bash:1 3:35:35 root@HPMC7 /tmp # dcpus -info SYSTEM TICKS 100 CPU COUNT 272 STAT MNEMONICS: user nice system idle iowait irq softirq steal guest guestnice user Time spent with normal processing in user mode nice Time spent with niced processes in user mode system Time spent running in kernel mode idle Time spent in vacations twiddling thumbs iowait Time spent waiting for I/O to completed. This is considered idle time. irq Time spent serving hardware interrupts softirq Time spent serving software interrupts steal Time stolen by other operating systems running in a virtual environment guest Time spent for running a virtual CPU or guest OS under the control of the kernel guestnice THE CACHEDIR IS /tmp/cached_sysstats

ABOUT THE FOLLOWING COMMAND: cat the stat from proc will display raw data and not easy to read on systems with multicores CPU

bash:2 3:35:50 root@HPMC7 /tmp # cat /proc/stat cpu 40774 597 85745 1106219702 51687 0 1823 0 0 0 cpu0 178 0 3531 4058421 400 0 354 0 0 0 cpu1 367 0 865 4065798 66 0 13 0 0 0 cpu2 331 0 323 4064163 1035 0 6 0 0 0 cpu3 55 0 191 4066571 224 0 2 0 0 0 cpu4 1118 0 367 4064268 1817 0 16 0 0 0 cpu5 303 0 341 4064485 1001 0 1 0 0 0 cpu6 1724 0 419 4064073 1366 0 11 0 0 0 cpu7 166 0 289 4066813 440 0 9 0 0 0 cpu8 916 170 632 4059608 5818 0 58 0 0 0 cpu9 66 7 218 4066804 575 0 4 0 0 0 cpu10 283 0 199 4066950 264 0 6 0 0 0 cpu11 433 0 158 4067098 60 0 4 0 0 0 cpu12 292 0 211 4065650 1538 0 6 0 0 0 cpu13 63 0 183 4067463 46 0 4 0 0 0 cpu14 1136 0 269 4065754 505 0 9 0 0 0 cpu15 44 0 172 4067509 29 0 5 0 0 0 cpu16 273 0 201 4067045 177 0 6 0 0 0 cpu17 37 0 167 4067490 55 0 4 0 0 0 cpu18 198 8 287 4066572 573 0 18 0 0 0 cpu19 101 9 199 4066801 602 0 10 0 0 0 cpu20 191 0 227 4066940 148 0 18 0 0 0 cpu21 56 0 165 4067431 97 0 4 0 0 0 cpu22 439 0 256 4066832 163 0 6 0 0 0 cpu23 32 0 197 4067450 72 0 4 0 0 0 cpu24 367 119 275 4066784 149 0 7 0 0 0 cpu25 40 0 168 4067457 85 0 4 0 0 0 cpu26 376 0 265 4066438 215 0 40 0 0 0 cpu27 68 0 182 4067321 162 0 8 0 0 0 cpu28 746 0 359 4065346 1173 0 21 0 0 0 cpu29 989 0 361 4065714 630 0 16 0 0 0 cpu30 320 0 238 4066958 171 0 7 0 0 0 cpu31 80 0 209 4067416 35 0 4 0 0 0 cpu32 264 0 222 4066914 294 0 7 0 0 0 cpu33 32 0 190 4067385 141 0 4 0 0 0 cpu34 228 0 242 4066642 534 0 17 0 0 0 cpu35 158 0 204 4067100 250 0 13 0 0 0 cpu36 305 0 242 4066183 573 0 29 0 0 0 cpu37 66 0 189 4066297 676 0 0 0 0 0 cpu38 241 0 301 4066364 487 0 17 0 0 0 cpu39 44 0 189 4066944 514 0 21 0 0 0 cpu40 1127 0 3339 4062306 591 0 25 0 0 0 cpu41 91 0 353 4067005 363 0 5 0 0 0 cpu42 299 0 385 4065327 1297 0 11 0 0 0 cpu43 118 0 262 4066987 251 0 8 0 0 0 cpu44 362 0 638 4066600 108 0 12 0 0 0 cpu45 80 0 187 4067429 48 0 9 0 0 0 cpu46 223 0 194 4066439 126 0 8 0 0 0 cpu47 323 0 199 4067178 55 0 4 0 0 0 cpu48 299 0 225 4066849 240 0 10 0 0 0 cpu49 44 0 156 4067486 56 0 4 0 0 0 cpu50 324 0 238 4066471 537 0 16 0 0 0 cpu51 218 0 219 4066521 747 0 8 0 0 0 cpu52 167 9 254 4066702 512 0 13 0 0 0 cpu53 69 12 256 4066466 876 0 17 0 0 0 cpu54 257 0 361 4066828 234 0 4 0 0 0 cpu55 34 0 165 4067318 228 0 3 0 0 0 cpu56 239 0 318 4066797 286 0 11 0 0 0 cpu57 35 0 160 4067485 62 0 4 0 0 0 cpu58 190 0 264 4066716 380 0 25 0 0 0 cpu59 40 0 187 4067347 113 0 40 0 0 0 cpu60 204 0 211 4067129 83 0 25 0 0 0 cpu61 52 0 156 4067475 70 0 4 0 0 0 cpu62 154 0 207 4067230 26 0 15 0 0 0 cpu63 29 0 169 4067472 66 0 4 0 0 0 cpu64 117 0 236 4067156 104 0 10 0 0 0 cpu65 30 0 153 4067470 90 0 4 0 0 0 cpu66 319 0 207 4066901 167 0 7 0 0 0 cpu67 89 0 107 4066617 769 0 4 0 0 0 cpu68 150 0 484 4066927 24 0 2 0 0 0 cpu69 440 0 880 4066106 145 0 7 0 0 0 cpu70 18 0 233 4067250 26 0 1 0 0 0 cpu71 720 0 1077 4064882 837 0 12 0 0 0 cpu72 24 0 233 4067507 13 0 1 0 0 0 cpu73 409 0 710 4066354 169 0 12 0 0 0 cpu74 25 0 241 4067489 4 0 1 0 0 0 cpu75 1904 0 781 4064733 179 0 13 0 0 0 cpu76 14 0 224 4067412 116 0 1 0 0 0 cpu77 355 0 676 4066301 316 0 9 0 0 0 cpu78 12 0 224 4067530 2 0 1 0 0 0 cpu79 504 141 752 4066041 201 0 9 0 0 0 cpu80 15 0 233 4067510 15 0 1 0 0 0 cpu81 457 0 719 4066188 274 0 7 0 0 0 cpu82 12 0 238 4067510 3 0 1 0 0 0 cpu83 863 0 743 4065691 330 0 9 0 0 0 cpu84 13 0 224 4067527 4 0 0 0 0 0 cpu85 432 1 690 4066208 294 0 9 0 0 0 cpu86 46 0 254 4067415 41 0 10 0 0 0 cpu87 951 0 737 4065320 616 0 8 0 0 0 cpu88 15 0 247 4067463 32 0 1 0 0 0 cpu89 409 0 686 4066359 197 0 8 0 0 0 cpu90 362 0 1641 4065721 29 0 1 0 0 0 cpu91 437 0 722 4066365 114 0 8 0 0 0 cpu92 13 0 231 4067523 0 0 0 0 0 0 cpu93 426 33 704 4066111 353 0 10 0 0 0 cpu94 21 0 202 4067523 2 0 1 0 0 0 cpu95 438 0 694 4066256 230 0 9 0 0 0 cpu96 12 0 217 4067518 18 0 1 0 0 0 cpu97 342 0 646 4066519 136 0 8 0 0 0 cpu98 13 0 235 4067506 11 0 1 0 0 0 cpu99 380 0 720 4066100 427 0 9 0 0 0 cpu100 17 0 236 4067402 104 0 1 0 0 0 cpu101 447 0 718 4066028 401 0 20 0 0 0 cpu102 43 0 255 4067223 206 0 12 0 0 0 cpu103 454 1 740 4065801 603 0 28 0 0 0 cpu104 49 0 253 4067131 326 0 2 0 0 0 cpu105 473 0 1097 4065281 916 0 10 0 0 0 cpu106 13 0 224 4067546 1 0 1 0 0 0 cpu107 742 0 1725 4063730 1042 0 4 0 0 0 cpu108 1107 0 4015 4062334 321 0 1 0 0 0 cpu109 528 0 948 4065428 580 0 17 0 0 0 cpu110 33 0 263 4067136 296 0 1 0 0 0 cpu111 470 0 791 4065327 832 0 10 0 0 0 cpu112 116 0 1560 4066619 45 0 5 0 0 0 cpu113 417 0 750 4064313 571 0 1 0 0 0 cpu114 16 0 230 4067504 5 0 1 0 0 0 cpu115 462 0 760 4064074 351 0 8 0 0 0 cpu116 13 0 230 4067498 18 0 0 0 0 0 cpu117 457 0 740 4066287 115 0 14 0 0 0 cpu118 12 0 236 4067489 22 0 0 0 0 0 cpu119 515 0 742 4066171 182 0 10 0 0 0 cpu120 17 0 231 4067479 21 0 1 0 0 0 cpu121 375 74 791 4066063 311 0 13 0 0 0 cpu122 11 0 230 4067406 108 0 0 0 0 0 cpu123 522 0 760 4066083 254 0 13 0 0 0 cpu124 33 0 251 4067385 83 0 1 0 0 0 cpu125 446 0 775 4066204 199 0 13 0 0 0 cpu126 13 0 237 4067464 31 0 5 0 0 0 cpu127 437 0 809 4066178 192 0 12 0 0 0 cpu128 9 0 237 4067492 15 0 1 0 0 0 cpu129 484 0 897 4066039 203 0 12 0 0 0 cpu130 11 0 235 4067484 20 0 3 0 0 0 cpu131 465 0 778 4066180 194 0 14 0 0 0 cpu132 14 0 227 4067505 6 0 1 0 0 0 cpu133 731 0 686 4066079 130 0 8 0 0 0 cpu134 14 0 232 4067485 16 0 1 0 0 0 cpu135 474 0 722 4066173 246 0 8 0 0 0 cpu136 7 0 167 4067558 8 0 0 0 0 0 cpu137 7 0 148 4067576 10 0 2 0 0 0 cpu138 11 0 190 4067536 12 0 0 0 0 0 cpu139 12 0 133 4067549 47 0 2 0 0 0 cpu140 5 0 176 4067570 1 0 0 0 0 0 cpu141 4 0 142 4067578 21 0 1 0 0 0 cpu142 11 0 175 4067534 27 0 0 0 0 0 cpu143 11 0 136 4067588 11 0 2 0 0 0 cpu144 9 0 178 4067454 105 0 0 0 0 0 cpu145 12 0 156 4067500 65 0 3 0 0 0 cpu146 8 0 166 4067579 2 0 0 0 0 0 cpu147 6 0 139 4067580 21 0 3 0 0 0 cpu148 9 0 179 4067519 42 0 0 0 0 0 cpu149 5 0 143 4067595 2 0 2 0 0 0 cpu150 9 0 172 4067556 3 0 1 0 0 0 cpu151 11 0 141 4067538 45 0 3 0 0 0 cpu152 9 0 182 4067504 50 0 0 0 0 0 cpu153 7 0 149 4067559 29 0 2 0 0 0 cpu154 6 0 173 4067553 15 0 0 0 0 0 cpu155 18 0 142 4067545 36 0 2 0 0 0 cpu156 7 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4067524 55 0 3 0 0 0 cpu184 9 0 169 4067529 35 0 0 0 0 0 cpu185 9 0 142 4067528 57 0 2 0 0 0 cpu186 9 0 191 4067514 29 0 0 0 0 0 cpu187 15 0 142 4067520 55 0 3 0 0 0 cpu188 8 0 179 4067532 18 0 0 0 0 0 cpu189 12 0 167 4067508 50 0 2 0 0 0 cpu190 7 0 176 4067544 16 0 0 0 0 0 cpu191 6 0 144 4067367 50 0 2 0 0 0 cpu192 16 0 187 4067490 46 0 0 0 0 0 cpu193 11 0 142 4067549 31 0 3 0 0 0 cpu194 11 0 176 4067527 24 0 0 0 0 0 cpu195 7 0 144 4067541 42 0 3 0 0 0 cpu196 9 0 167 4067531 41 0 0 0 0 0 cpu197 6 0 136 4067551 42 0 1 0 0 0 cpu198 10 0 178 4067511 41 0 0 0 0 0 cpu199 9 0 151 4067524 48 0 3 0 0 0 cpu200 8 0 183 4067534 8 0 0 0 0 0 cpu201 10 0 150 4067510 58 0 3 0 0 0 cpu202 10 0 171 4067538 21 0 0 0 0 0 cpu203 6 0 147 4067555 22 0 2 0 0 0 cpu204 2 0 114 4067596 9 0 0 0 0 0 cpu205 3 0 111 4067605 9 0 0 0 0 0 cpu206 6 0 120 4067560 50 0 0 0 0 0 cpu207 3 0 110 4067576 40 0 0 0 0 0 cpu208 1 0 111 4067620 4 0 0 0 0 0 cpu209 24 0 149 4067452 66 0 34 0 0 0 cpu210 8 0 152 4065837 2 0 0 0 0 0 cpu211 10 0 117 4067555 49 0 0 0 0 0 cpu212 7 0 130 4067566 28 0 0 0 0 0 cpu213 9 0 134 4067532 54 0 0 0 0 0 cpu214 5 0 122 4067589 22 0 0 0 0 0 cpu215 7 0 109 4067622 0 0 0 0 0 0 cpu216 6 0 124 4067568 32 0 0 0 0 0 cpu217 4 0 113 4067601 9 0 0 0 0 0 cpu218 13 0 122 4067597 0 0 1 0 0 0 cpu219 7 0 123 4067544 53 0 0 0 0 0 cpu220 9 0 130 4067566 28 0 0 0 0 0 cpu221 6 0 119 4067564 38 0 0 0 0 0 cpu222 6 0 123 4067568 35 0 0 0 0 0 cpu223 4 0 109 4067566 51 0 0 0 0 0 cpu224 7 0 123 4067560 40 0 0 0 0 0 cpu225 5 0 117 4067577 25 0 0 0 0 0 cpu226 6 0 128 4067547 43 0 0 0 0 0 cpu227 5 0 127 4067577 24 0 0 0 0 0 cpu228 5 0 113 4067595 24 0 0 0 0 0 cpu229 6 0 112 4067589 21 0 0 0 0 0 cpu230 8 0 115 4067598 1 0 0 0 0 0 cpu231 8 0 116 4067559 38 0 0 0 0 0 cpu232 4 0 116 4067598 10 0 0 0 0 0 cpu233 7 0 117 4067548 56 0 0 0 0 0 cpu234 4 0 112 4067589 28 0 0 0 0 0 cpu235 2 0 96 4067629 0 0 0 0 0 0 cpu236 5 0 125 4067515 76 0 0 0 0 0 cpu237 12 0 131 4067522 54 0 1 0 0 0 cpu238 27 0 128 4067466 99 0 0 0 0 0 cpu239 33 0 128 4067488 71 0 5 0 0 0 cpu240 14 0 124 4067520 65 0 1 0 0 0 cpu241 12 0 107 4067526 83 0 0 0 0 0 cpu242 6 0 193 4067581 2 0 0 0 0 0 cpu243 3 0 107 4067634 5 0 0 0 0 0 cpu244 9 0 123 4067505 95 0 0 0 0 0 cpu245 8 0 119 4067534 61 0 0 0 0 0 cpu246 7 0 118 4067542 61 0 0 0 0 0 cpu247 13 0 132 4067493 78 0 5 0 0 0 cpu248 17 0 132 4067525 46 0 11 0 0 0 cpu249 7 0 117 4067543 60 0 0 0 0 0 cpu250 5 0 119 4067578 27 0 1 0 0 0 cpu251 7 0 114 4067545 64 0 0 0 0 0 cpu252 4 0 112 4067585 24 0 0 0 0 0 cpu253 4 0 123 4067561 34 0 0 0 0 0 cpu254 6 0 119 4067549 51 0 0 0 0 0 cpu255 7 0 118 4067527 63 0 0 0 0 0 cpu256 7 0 134 4067529 46 0 0 0 0 0 cpu257 8 0 131 4067502 67 0 0 0 0 0 cpu258 6 0 116 4067544 51 0 1 0 0 0 cpu259 6 0 109 4067541 60 0 0 0 0 0 cpu260 14 0 119 4067532 52 0 0 0 0 0 cpu261 5 0 106 4067541 63 0 0 0 0 0 cpu262 13 0 122 4067576 4 0 1 0 0 0 cpu263 10 0 132 4067517 53 0 0 0 0 0 cpu264 5 0 109 4067578 23 0 0 0 0 0 cpu265 8 0 116 4067523 62 0 0 0 0 0 cpu266 7 0 127 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0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ctxt 9785495 btime 1718914677 processes 89112 procs_running 1 procs_blocked 0 softirq 12109595 5 7762851 169519 458492 180480 0 198 1709309 0 1828741

ABOUT THE FOLLOWING COMMAND: display the stat by iterating 3 times with a delay of 1 second in between and show only first 2 cores and last 5 cores

bash:3 3:35:58 root@HPMC7 /tmp # dcpus -iter 3 -delay 1 -prune 2,5 CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:36:07 user 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:07 nice 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:07 system 0 0 ... 0 0 0 0 0 3 2024-06-21 03:36:07 idle 101 102 ... 102 102 102 102 101 27644 2024-06-21 03:36:07 iowait 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:07 irq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:07 softirq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:07 steal 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:07 guest 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:07 guestnice 0 0 ... 0 0 0 0 0 0 used=3 idle=27644 usage 0.0108522645058602% CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:36:08 user 0 0 ... 0 0 0 0 0 3 2024-06-21 03:36:08 nice 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:08 system 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:08 idle 103 104 ... 103 103 103 104 104 28199 2024-06-21 03:36:08 iowait 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:08 irq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:08 softirq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:08 steal 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:08 guest 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:08 guestnice 0 0 ... 0 0 0 0 0 0 used=3 idle=28199 usage 0.0106386751303238% CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:36:09 user 0 0 ... 0 0 0 0 0 3 2024-06-21 03:36:09 nice 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:09 system 0 0 ... 0 0 0 0 0 1 2024-06-21 03:36:09 idle 104 104 ... 104 104 104 104 104 28297 2024-06-21 03:36:09 iowait 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:09 irq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:09 softirq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:09 steal 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:09 guest 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:09 guestnice 0 0 ... 0 0 0 0 0 0 used=4 idle=28297 usage 0.0141357741103297%

ABOUT THE FOLLOWING COMMAND: display the stat by iterating 3 times with a delay of 1 second in between and show only first 2 cores and last 5 cores.
Notice that this the same command as above but here we use -transpose to transpose the colomns and rows.

bash:4 3:36:10 root@HPMC7 /tmp # dcpus -iter 3 -delay 1 -transpose -prune 2,5 -stats user,system,idle user system idle 2024-06-21 03:36:19 CPU0 0 0 102 2024-06-21 03:36:19 CPU1 0 0 101 ... 2024-06-21 03:36:19 CPU267 0 0 102 2024-06-21 03:36:19 CPU268 0 0 102 2024-06-21 03:36:19 CPU269 0 0 102 2024-06-21 03:36:19 CPU270 0 0 102 2024-06-21 03:36:19 CPU271 0 0 102 summed 1 2 27684 used=3 idle=27684 usage 0.0108365843086259% user system idle 2024-06-21 03:36:20 CPU0 0 0 104 2024-06-21 03:36:20 CPU1 0 0 105 ... 2024-06-21 03:36:20 CPU267 0 0 105 2024-06-21 03:36:20 CPU268 0 0 105 2024-06-21 03:36:20 CPU269 0 0 105 2024-06-21 03:36:20 CPU270 0 0 104 2024-06-21 03:36:20 CPU271 0 0 104 summed 3 0 28399 used=3 idle=28399 usage 0.0105637522447974% user system idle 2024-06-21 03:36:21 CPU0 0 0 103 2024-06-21 03:36:21 CPU1 0 0 104 ... 2024-06-21 03:36:21 CPU267 0 0 104 2024-06-21 03:36:21 CPU268 0 0 104 2024-06-21 03:36:21 CPU269 0 0 104 2024-06-21 03:36:21 CPU270 0 0 104 2024-06-21 03:36:21 CPU271 0 0 105 summed 3 0 28344 used=3 idle=28344 usage 0.010584250635055%

ABOUT THE FOLLOWING COMMAND: iterate 3 times but show only the stats of user,system,idle

bash:5 3:36:22 root@HPMC7 /tmp # dcpus -iter 3 -delay 1 -prune 2,5 -stats user,system,idle CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:36:33 user 0 0 ... 0 0 0 0 0 2 2024-06-21 03:36:33 system 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:33 idle 102 102 ... 102 102 102 102 102 27788 used=2 idle=27788 usage 0.00719735137469411% CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:36:34 user 0 0 ... 0 0 0 0 0 3 2024-06-21 03:36:34 system 0 0 ... 0 0 0 0 0 3 2024-06-21 03:36:34 idle 104 104 ... 104 104 104 104 104 28302 used=6 idle=28302 usage 0.0211999152003392% CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:36:35 user 0 0 ... 0 0 0 0 0 3 2024-06-21 03:36:35 system 0 0 ... 0 0 0 0 0 0 2024-06-21 03:36:35 idle 104 104 ... 104 104 104 104 104 28248 used=3 idle=28248 usage 0.0106202209005947%

ABOUT THE FOLLOWING COMMAND: iterate 3 times but show only the stats of system,user,irq,iowait and select only the 5 cores that has the highest 'user' consumption.
the -keeporder is to keep the listing in known stat order, and -NVU to specify the number of cores.
-sortby to give the importance to 'user' stat by sorting the CPUs on that attribute.

bash:6 3:36:36 root@HPMC7 /tmp # dcpus -iter 3 -delay 1 -sortby user -transpose -stats system,user,irq,iowait -keeporder -NVU 5 user system iowait irq 2024-06-21 03:36:48 CPU42 1 1 0 0 2024-06-21 03:36:48 CPU242 0 0 0 0 2024-06-21 03:36:48 CPU196 0 0 0 0 2024-06-21 03:36:48 CPU164 0 0 0 0 2024-06-21 03:36:48 CPU34 0 0 0 0 summed 1 1 0 0 used=4 idle=27666 usage 0.0144581797151739% user system iowait irq 2024-06-21 03:36:49 CPU46 3 0 0 0 2024-06-21 03:36:49 CPU242 0 0 0 0 2024-06-21 03:36:49 CPU196 0 0 0 0 2024-06-21 03:36:49 CPU164 0 0 0 0 2024-06-21 03:36:49 CPU34 0 0 0 0 summed 3 0 0 0 used=6 idle=28423 usage 0.0211096647081589% user system iowait irq 2024-06-21 03:36:50 CPU50 3 1 0 0 2024-06-21 03:36:50 CPU242 0 0 0 0 2024-06-21 03:36:50 CPU196 0 0 0 0 2024-06-21 03:36:50 CPU164 0 0 0 0 2024-06-21 03:36:50 CPU34 0 0 0 0 summed 3 1 0 0 used=4 idle=28368 usage 0.0141003948110547%

ABOUT THE FOLLOWING COMMAND: same as above without the transpose, this still fit properly on the terminal.

bash:7 3:36:52 root@HPMC7 /tmp # dcpus -iter 3 -delay 1 -sortby user -stats system,user,irq,iowait -keeporder -NVU 5 CPU20 CPU242 CPU196 CPU164 CPU34 summed 2024-06-21 03:36:56 user 1 0 0 0 0 1 2024-06-21 03:36:56 system 0 0 0 0 0 0 2024-06-21 03:36:56 iowait 0 0 0 0 0 0 2024-06-21 03:36:56 irq 0 0 0 0 0 0 used=2 idle=27649 usage 0.00723353466671489% CPU24 CPU108 CPU242 CPU196 CPU164 summed 2024-06-21 03:36:57 user 3 1 0 0 0 4 2024-06-21 03:36:57 system 1 2 0 0 0 3 2024-06-21 03:36:57 iowait 0 0 0 0 0 0 2024-06-21 03:36:57 irq 0 0 0 0 0 0 used=8 idle=28233 usage 0.0283356356037261% CPU28 CPU242 CPU196 CPU164 CPU34 summed 2024-06-21 03:36:59 user 3 0 0 0 0 3 2024-06-21 03:36:59 system 1 0 0 0 0 1 2024-06-21 03:36:59 iowait 0 0 0 0 0 0 2024-06-21 03:36:59 irq 0 0 0 0 0 0 used=4 idle=28153 usage 0.0142080772919405%

ABOUT THE FOLLOWING COMMAND: cache the data for a later replay by using the -cache option that will display the cache handle once the command is done executing

bash:8 3:37:0 root@HPMC7 /tmp # dcpus -iter 7 -delay 1 -prune 2,5 -cache CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:37:05 user 0 0 ... 0 0 0 0 0 1 2024-06-21 03:37:05 nice 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:05 system 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:05 idle 102 102 ... 102 102 102 102 101 27686 2024-06-21 03:37:05 iowait 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:05 irq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:05 softirq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:05 steal 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:05 guest 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:05 guestnice 0 0 ... 0 0 0 0 0 0 used=1 idle=27686 usage 0.00361193382937225% CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:37:06 user 0 0 ... 0 0 0 0 0 3 2024-06-21 03:37:06 nice 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:06 system 0 0 ... 0 0 0 0 0 1 2024-06-21 03:37:06 idle 103 104 ... 104 104 104 104 105 28381 2024-06-21 03:37:06 iowait 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:06 irq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:06 softirq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:06 steal 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:06 guest 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:06 guestnice 0 0 ... 0 0 0 0 0 0 used=4 idle=28381 usage 0.0140939360839999% CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:37:07 user 0 0 ... 0 0 0 0 0 3 2024-06-21 03:37:07 nice 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:07 system 1 0 ... 0 0 0 0 0 3 2024-06-21 03:37:07 idle 104 104 ... 104 104 104 104 104 28292 2024-06-21 03:37:07 iowait 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:07 irq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:07 softirq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:07 steal 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:07 guest 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:07 guestnice 0 0 ... 0 0 0 0 0 0 used=6 idle=28292 usage 0.0212074084546868% CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:37:08 user 0 0 ... 0 0 0 0 0 4 2024-06-21 03:37:08 nice 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:08 system 0 0 ... 0 0 0 0 0 1 2024-06-21 03:37:08 idle 104 104 ... 104 104 104 104 104 28268 2024-06-21 03:37:08 iowait 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:08 irq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:08 softirq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:08 steal 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:08 guest 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:08 guestnice 0 0 ... 0 0 0 0 0 0 used=5 idle=28268 usage 0.0176878449129758% CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:37:09 user 0 0 ... 0 0 0 0 0 3 2024-06-21 03:37:09 nice 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:09 system 0 0 ... 0 0 0 0 0 1 2024-06-21 03:37:09 idle 103 104 ... 104 104 104 104 104 28254 2024-06-21 03:37:09 iowait 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:09 irq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:09 softirq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:09 steal 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:09 guest 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:09 guestnice 0 0 ... 0 0 0 0 0 0 used=4 idle=28254 usage 0.014157287463722% CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:37:10 user 0 0 ... 0 0 0 0 0 4 2024-06-21 03:37:10 nice 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:10 system 0 0 ... 0 0 0 0 0 1 2024-06-21 03:37:10 idle 104 104 ... 104 104 104 104 104 28344 2024-06-21 03:37:10 iowait 0 0 ... 0 0 0 0 0 8 2024-06-21 03:37:10 irq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:10 softirq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:10 steal 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:10 guest 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:10 guestnice 0 0 ... 0 0 0 0 0 0 used=13 idle=28344 usage 0.0458650860852385% CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:37:11 user 0 0 ... 0 0 0 0 0 3 2024-06-21 03:37:11 nice 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:11 system 0 0 ... 0 0 0 0 0 1 2024-06-21 03:37:11 idle 104 105 ... 104 104 104 104 104 28329 2024-06-21 03:37:11 iowait 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:11 irq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:11 softirq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:11 steal 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:11 guest 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:11 guestnice 0 0 ... 0 0 0 0 0 0 used=4 idle=28329 usage 0.0141198065586501% INTERRUPTS CACHED IN /tmp/cached_sysstats/cpustats_1718955424 YOU CAN REPLAY THE INTERRUPTS COLLECTION BY ADDING THE OPTION -replay 1718955424

ABOUT THE FOLLOWING COMMAND: replay the command from cached data.
simply specify the -replay following by the cache handle.

bash:9 3:37:12 root@HPMC7 /tmp # dcpus -iter 4 -delay 1 -prune 2,5 -replay 1718955424 CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:37:05 user 0 0 ... 0 0 0 0 0 1 2024-06-21 03:37:05 nice 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:05 system 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:05 idle 102 102 ... 102 102 102 102 101 27686 2024-06-21 03:37:05 iowait 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:05 irq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:05 softirq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:05 steal 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:05 guest 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:05 guestnice 0 0 ... 0 0 0 0 0 0 used=1 idle=27686 usage 0.00361193382937225% CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:37:06 user 0 0 ... 0 0 0 0 0 3 2024-06-21 03:37:06 nice 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:06 system 0 0 ... 0 0 0 0 0 1 2024-06-21 03:37:06 idle 103 104 ... 104 104 104 104 105 28381 2024-06-21 03:37:06 iowait 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:06 irq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:06 softirq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:06 steal 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:06 guest 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:06 guestnice 0 0 ... 0 0 0 0 0 0 used=4 idle=28381 usage 0.0140939360839999% CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:37:07 user 0 0 ... 0 0 0 0 0 3 2024-06-21 03:37:07 nice 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:07 system 1 0 ... 0 0 0 0 0 3 2024-06-21 03:37:07 idle 104 104 ... 104 104 104 104 104 28292 2024-06-21 03:37:07 iowait 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:07 irq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:07 softirq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:07 steal 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:07 guest 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:07 guestnice 0 0 ... 0 0 0 0 0 0 used=6 idle=28292 usage 0.0212074084546868% CPU0 CPU1 ... CPU267 CPU268 CPU269 CPU270 CPU271 summed 2024-06-21 03:37:08 user 0 0 ... 0 0 0 0 0 4 2024-06-21 03:37:08 nice 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:08 system 0 0 ... 0 0 0 0 0 1 2024-06-21 03:37:08 idle 104 104 ... 104 104 104 104 104 28268 2024-06-21 03:37:08 iowait 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:08 irq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:08 softirq 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:08 steal 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:08 guest 0 0 ... 0 0 0 0 0 0 2024-06-21 03:37:08 guestnice 0 0 ... 0 0 0 0 0 0 used=5 idle=28268 usage 0.0176878449129758%

ABOUT THE FOLLOWING COMMAND: when replaying the command from the cache you can use any options

bash:10 3:38:16 root@HPMC7 /tmp # dcpus -iter 4 -delay 1 -sortby user -stats system,user,irq,iowait -keeporder -NVU 5 -replay 1718955424 CPU2 CPU242 CPU196 CPU164 CPU34 summed 2024-06-21 03:37:05 user 1 0 0 0 0 1 2024-06-21 03:37:05 system 0 0 0 0 0 0 2024-06-21 03:37:05 iowait 0 0 0 0 0 0 2024-06-21 03:37:05 irq 0 0 0 0 0 0 used=1 idle=27686 usage 0.00361193382937225% CPU6 CPU242 CPU196 CPU164 CPU34 summed 2024-06-21 03:37:06 user 3 0 0 0 0 3 2024-06-21 03:37:06 system 0 0 0 0 0 0 2024-06-21 03:37:06 iowait 0 0 0 0 0 0 2024-06-21 03:37:06 irq 0 0 0 0 0 0 used=4 idle=28381 usage 0.0140939360839999% CPU10 CPU242 CPU196 CPU164 CPU34 summed 2024-06-21 03:37:07 user 3 0 0 0 0 3 2024-06-21 03:37:07 system 0 0 0 0 0 0 2024-06-21 03:37:07 iowait 0 0 0 0 0 0 2024-06-21 03:37:07 irq 0 0 0 0 0 0 used=6 idle=28292 usage 0.0212074084546868% CPU14 CPU242 CPU196 CPU164 CPU34 summed 2024-06-21 03:37:08 user 4 0 0 0 0 4 2024-06-21 03:37:08 system 0 0 0 0 0 0 2024-06-21 03:37:08 iowait 0 0 0 0 0 0 2024-06-21 03:37:08 irq 0 0 0 0 0 0 used=5 idle=28268 usage 0.0176878449129758%

ABOUT THE FOLLOWING COMMAND: same replay as above but transpose

bash:11 3:38:26 root@HPMC7 /tmp # dcpus -iter 4 -delay 0 -sortby user -stats system,user,irq,iowait -keeporder -NVU 5 -transpose -replay 1718955424 user system iowait irq 2024-06-21 03:37:05 CPU2 1 0 0 0 2024-06-21 03:37:05 CPU242 0 0 0 0 2024-06-21 03:37:05 CPU196 0 0 0 0 2024-06-21 03:37:05 CPU164 0 0 0 0 2024-06-21 03:37:05 CPU34 0 0 0 0 summed 1 0 0 0 used=1 idle=27686 usage 0.00361193382937225% user system iowait irq 2024-06-21 03:37:06 CPU6 3 0 0 0 2024-06-21 03:37:06 CPU242 0 0 0 0 2024-06-21 03:37:06 CPU196 0 0 0 0 2024-06-21 03:37:06 CPU164 0 0 0 0 2024-06-21 03:37:06 CPU34 0 0 0 0 summed 3 0 0 0 used=4 idle=28381 usage 0.0140939360839999% user system iowait irq 2024-06-21 03:37:07 CPU10 3 0 0 0 2024-06-21 03:37:07 CPU242 0 0 0 0 2024-06-21 03:37:07 CPU196 0 0 0 0 2024-06-21 03:37:07 CPU164 0 0 0 0 2024-06-21 03:37:07 CPU34 0 0 0 0 summed 3 0 0 0 used=6 idle=28292 usage 0.0212074084546868% user system iowait irq 2024-06-21 03:37:08 CPU14 4 0 0 0 2024-06-21 03:37:08 CPU242 0 0 0 0 2024-06-21 03:37:08 CPU196 0 0 0 0 2024-06-21 03:37:08 CPU164 0 0 0 0 2024-06-21 03:37:08 CPU34 0 0 0 0 summed 4 0 0 0 used=5 idle=28268 usage 0.0176878449129758%

ABOUT THE FOLLOWING COMMAND: sweet!

bash:12 3:41:0 root@HPMC7 /tmp #