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2026-04-22 - 23:53
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack4slot4.osadl.org (updated Wed Apr 22, 2026 12:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2685799554cyclictest0-21swapper/007:42:390
2685799554cyclictest0-21swapper/007:42:390
2685799554cyclictest0-21swapper/007:42:390
2685799533cyclictest24971-21users11:02:580
2685799533cyclictest24971-21users11:02:580
2685799533cyclictest24971-21users11:02:580
2685799522cyclictest5590-21/usr/sbin/munin07:52:460
2685799522cyclictest5590-21/usr/sbin/munin07:52:460
2685799514cyclictest0-21swapper/012:23:370
2685799514cyclictest0-21swapper/012:23:370
2685799514cyclictest0-21swapper/012:23:370
2685799514cyclictest0-21swapper/011:47:230
2685799514cyclictest0-21swapper/011:47:230
2685799513cyclictest4919-21diskstats10:27:440
2685799513cyclictest4919-21diskstats10:27:440
2685799513cyclictest4919-21diskstats10:27:440
2685799513cyclictest0-21swapper/012:03:420
2685799513cyclictest0-21swapper/012:03:420
2685799513cyclictest0-21swapper/012:03:420
2685799512cyclictest1959-21runrttasks11:48:470
2685799512cyclictest1959-21runrttasks11:48:470
2685799512cyclictest1959-21runrttasks11:48:470
2685799512cyclictest1959-21runrttasks11:48:470
26857995117cyclictest31454-21meminfo07:27:490
26857995117cyclictest31454-21meminfo07:27:490
26857995115cyclictest31831-21irqstats10:17:450
26857995115cyclictest31831-21irqstats10:17:450
26857995115cyclictest31831-21irqstats10:17:450
2685799503cyclictest0-21swapper/012:27:540
2685799503cyclictest0-21swapper/012:27:540
2685799503cyclictest0-21swapper/012:27:540
2685799503cyclictest0-21swapper/011:41:170
2685799503cyclictest0-21swapper/011:41:170
2685799503cyclictest0-21swapper/011:23:220
2685799503cyclictest0-21swapper/011:23:220
2685799503cyclictest0-21swapper/011:23:220
2685799503cyclictest0-21swapper/009:25:330
2685799503cyclictest0-21swapper/009:25:330
2685799503cyclictest0-21swapper/009:25:330
2685799503cyclictest0-21swapper/009:25:330
2685799503cyclictest0-21swapper/009:07:400
2685799503cyclictest0-21swapper/009:07:400
2685799502cyclictest28920-21df_inode10:12:420
2685799502cyclictest28920-21df_inode10:12:420
26857995016cyclictest4613-21meminfo07:47:480
26857995016cyclictest4613-21meminfo07:47:480
2685799496cyclictest9282-21ssh09:37:280
2685799496cyclictest9282-21ssh09:37:280
2685799494cyclictest0-21swapper/010:40:220
2685799494cyclictest0-21swapper/010:40:220
2685799494cyclictest0-21swapper/010:40:220
2685799494cyclictest0-21swapper/008:42:590
2685799494cyclictest0-21swapper/008:42:590
2685799493cyclictest0-21swapper/011:30:110
2685799493cyclictest0-21swapper/011:30:110
2685799493cyclictest0-21swapper/011:30:110
2685799493cyclictest0-21swapper/011:17:410
2685799493cyclictest0-21swapper/011:17:410
2685799493cyclictest0-21swapper/010:57:510
2685799493cyclictest0-21swapper/010:57:510
2685799493cyclictest0-21swapper/010:06:300
2685799493cyclictest0-21swapper/010:06:300
2685799493cyclictest0-21swapper/010:06:300
2685799493cyclictest0-21swapper/008:27:540
2685799493cyclictest0-21swapper/008:27:540
2685799493cyclictest0-21swapper/008:02:280
2685799493cyclictest0-21swapper/008:02:280
26857994915cyclictest7884-21ntp_states10:32:530
26857994915cyclictest7884-21ntp_states10:32:530
26857994915cyclictest7884-21ntp_states10:32:530
26857994913cyclictest29937-21apt-get12:12:380
26857994913cyclictest29937-21apt-get12:12:380
2685799484cyclictest0-21swapper/011:57:530
2685799484cyclictest0-21swapper/011:57:530
2685799483cyclictest0-21swapper/012:38:350
2685799483cyclictest0-21swapper/012:38:350
2685799483cyclictest0-21swapper/011:53:320
2685799483cyclictest0-21swapper/011:53:320
2685799483cyclictest0-21swapper/010:42:510
2685799483cyclictest0-21swapper/010:42:510
2685799483cyclictest0-21swapper/010:42:510
2685799483cyclictest0-21swapper/010:11:210
2685799483cyclictest0-21swapper/010:11:210
2685799483cyclictest0-21swapper/010:11:210
2685799483cyclictest0-21swapper/009:17:560
2685799483cyclictest0-21swapper/009:17:560
2685799483cyclictest0-21swapper/009:12:400
2685799483cyclictest0-21swapper/009:12:400
2685799483cyclictest0-21swapper/009:12:400
2685799483cyclictest0-21swapper/008:07:520
2685799483cyclictest0-21swapper/008:07:520
2685799483cyclictest0-21swapper/008:07:520
2685799483cyclictest0-21swapper/007:17:510
2685799483cyclictest0-21swapper/007:17:510
2685799482cyclictest8626-21df_inode08:02:450
2685799482cyclictest8626-21df_inode08:02:450
2685799482cyclictest8626-21df_inode08:02:450
2685799482cyclictest3451-21ssh10:24:250
2685799482cyclictest3451-21ssh10:24:250
2685799482cyclictest16237-21ntp_states10:47:530
2685799482cyclictest16237-21ntp_states10:47:530
2685799482cyclictest16237-21ntp_states10:47:530
2685799482cyclictest12147-21munin-run09:42:280
2685799482cyclictest12147-21munin-run09:42:280
2685799482cyclictest0-21swapper/012:22:300
2685799482cyclictest0-21swapper/012:22:300
26857994820cyclictest0-21swapper/011:32:460
26857994820cyclictest0-21swapper/011:32:460
2685799481cyclictest29324-21/usr/sbin/munin11:12:390
2685799481cyclictest29324-21/usr/sbin/munin11:12:390
2685799481cyclictest1133-21sendmail-msp09:28:120
2685799481cyclictest1133-21sendmail-msp09:28:120
2685799481cyclictest1133-21sendmail-msp09:28:120
26857994813cyclictest27864-21ssh11:08:370
26857994813cyclictest27864-21ssh11:08:370
2685799473cyclictest0-21swapper/009:48:420
2685799473cyclictest0-21swapper/009:48:420
2685799473cyclictest0-21swapper/009:47:260
2685799473cyclictest0-21swapper/009:47:260
2685799473cyclictest0-21swapper/009:47:260
2685799473cyclictest0-21swapper/008:37:400
2685799473cyclictest0-21swapper/008:37:400
2685799472cyclictest28265-21users12:07:580
2685799472cyclictest28265-21users12:07:580
2685799472cyclictest28265-21users12:07:580
26857994716cyclictest25425-21latency09:02:470
26857994716cyclictest25425-21latency09:02:470
71460rcu_preempt0-21swapper/212:03:122
71460rcu_preempt0-21swapper/212:03:122
71460rcu_preempt0-21swapper/212:03:122
46050460irq/122-QManpo26341-2110:48:550
46050460irq/122-QManpo26341-2110:48:550
46050460irq/122-QManpo26341-2110:48:550
2685799463cyclictest0-21swapper/008:17:400
2685799463cyclictest0-21swapper/008:17:400
2685799463cyclictest0-21swapper/008:17:400
2685799462cyclictest0-21swapper/008:17:270
2685799462cyclictest0-21swapper/008:17:270
2685799461cyclictest12161-21sendmail-msp09:53:220
2685799461cyclictest12161-21sendmail-msp09:53:220
2685799461cyclictest12161-21sendmail-msp09:53:220
2685799461cyclictest0-21swapper/008:22:550
2685799461cyclictest0-21swapper/008:22:550
26857994616cyclictest0-21swapper/012:34:080
26857994616cyclictest0-21swapper/012:34:080
26857994616cyclictest0-21swapper/007:12:470
26857994616cyclictest0-21swapper/007:12:470
2685799452cyclictest30297-21mailstats07:22:540
2685799452cyclictest30297-21mailstats07:22:540
2685799452cyclictest30297-21mailstats07:22:540
2685799452cyclictest20968-21grep09:57:490
2685799452cyclictest20968-21grep09:57:490
2685799452cyclictest20968-21grep09:57:490
2685799452cyclictest0-21swapper/007:37:470
2685799452cyclictest0-21swapper/007:37:470
2685799452cyclictest0-21swapper/007:37:470
2685799451cyclictest0-21swapper/008:52:530
2685799451cyclictest0-21swapper/008:52:530
2685799451cyclictest0-21swapper/008:47:460
2685799451cyclictest0-21swapper/008:47:460
26857994518cyclictest18343-21/usr/sbin/munin10:52:390
26857994518cyclictest18343-21/usr/sbin/munin10:52:390
71430rcu_preempt944-21sh10:20:201
71430rcu_preempt944-21sh10:20:201
71430rcu_preempt944-21sh10:20:201
71430rcu_preempt0-21swapper/212:31:582
71430rcu_preempt0-21swapper/212:31:582
71430rcu_preempt0-21swapper/212:31:582
46650430irq/116-QManpo25988-2110:48:553
46650430irq/116-QManpo25988-2110:48:553
46650430irq/116-QManpo25988-2110:48:553
2685799432cyclictest1959-21runrttasks08:58:310
2685799432cyclictest1959-21runrttasks08:58:310
2685799431cyclictest0-21swapper/007:36:170
2685799431cyclictest0-21swapper/007:36:170
71420rcu_preempt0-21swapper/212:18:402
71420rcu_preempt0-21swapper/212:18:402
71410rcu_preempt12309-21kworker/1:010:45:311
71410rcu_preempt12309-21kworker/1:010:45:311
71410rcu_preempt12309-21kworker/1:010:45:311
71410rcu_preempt0-21swapper/211:27:312
71410rcu_preempt0-21swapper/211:27:312
71410rcu_preempt0-21swapper/211:27:312
71410rcu_preempt0-21swapper/210:28:362
71410rcu_preempt0-21swapper/210:28:362
71410rcu_preempt0-21swapper/210:28:362
71410rcu_preempt0-21swapper/209:29:222
71410rcu_preempt0-21swapper/209:29:222
71410rcu_preempt0-21swapper/209:29:222
2685799414cyclictest0-21swapper/008:33:470
2685799414cyclictest0-21swapper/008:33:470
71400rcu_preempt8978-21chrt09:36:422
71400rcu_preempt8978-21chrt09:36:422
71400rcu_preempt11170-21kworker/3:112:22:283
71400rcu_preempt11170-21kworker/3:112:22:283
71400rcu_preempt0-21swapper/212:24:542
71400rcu_preempt0-21swapper/212:24:542
71400rcu_preempt0-21swapper/212:24:542
71400rcu_preempt0-21swapper/211:52:142
71400rcu_preempt0-21swapper/211:52:142
71400rcu_preempt0-21swapper/211:52:142
71400rcu_preempt0-21swapper/211:52:142
71400rcu_preempt0-21swapper/210:51:472
71400rcu_preempt0-21swapper/210:51:472
71400rcu_preempt0-21swapper/210:51:472
71400rcu_preempt0-21swapper/210:12:152
71400rcu_preempt0-21swapper/210:12:152
71400rcu_preempt0-21swapper/210:12:152
71390rcu_preempt32038-21sh11:17:302
71390rcu_preempt32038-21sh11:17:302
71390rcu_preempt20001-21taskset11:53:113
71390rcu_preempt20001-21taskset11:53:113
71390rcu_preempt0-21swapper/211:08:442
71390rcu_preempt0-21swapper/211:08:442
71390rcu_preempt0-21swapper/208:02:382
71390rcu_preempt0-21swapper/208:02:382
71390rcu_preempt0-21swapper/208:02:382
71390rcu_preempt0-21swapper/109:31:091
71390rcu_preempt0-21swapper/109:31:091
71390rcu_preempt0-21swapper/109:31:091
71390rcu_preempt0-21swapper/108:12:481
71390rcu_preempt0-21swapper/108:12:481
46250390irq/120-QManpo26738-2110:48:551
46250390irq/120-QManpo26738-2110:48:551
46250390irq/120-QManpo26738-2110:48:551
71380rcu_preempt24544-1kworker/1:0H12:02:411
71380rcu_preempt24544-1kworker/1:0H12:02:411
71380rcu_preempt24544-1kworker/1:0H12:02:411
71380rcu_preempt22263-21/usr/sbin/munin11:57:512
71380rcu_preempt22263-21/usr/sbin/munin11:57:512
71380rcu_preempt0-21swapper/212:10:092
71380rcu_preempt0-21swapper/212:10:092
71380rcu_preempt0-21swapper/212:10:092
71380rcu_preempt0-21swapper/210:44:182
71380rcu_preempt0-21swapper/210:44:182
71380rcu_preempt0-21swapper/210:44:182
71380rcu_preempt0-21swapper/210:26:162
71380rcu_preempt0-21swapper/210:26:162
71380rcu_preempt0-21swapper/210:06:502
71380rcu_preempt0-21swapper/210:06:502
71380rcu_preempt0-21swapper/210:06:502
71380rcu_preempt0-21swapper/209:46:022
71380rcu_preempt0-21swapper/209:46:022
71380rcu_preempt0-21swapper/209:46:022
71380rcu_preempt0-21swapper/209:16:512
71380rcu_preempt0-21swapper/209:16:512
71380rcu_preempt0-21swapper/209:16:512
71370rcu_preempt947-21taskset07:33:472
71370rcu_preempt947-21taskset07:33:472
71370rcu_preempt6073-1kworker/2:4H11:28:252
71370rcu_preempt6073-1kworker/2:4H11:28:252
71370rcu_preempt6073-1kworker/2:4H11:28:252
71370rcu_preempt0-21swapper/311:11:203
71370rcu_preempt0-21swapper/311:11:203
71370rcu_preempt0-21swapper/310:46:313
71370rcu_preempt0-21swapper/310:46:313
71370rcu_preempt0-21swapper/310:46:313
71370rcu_preempt0-21swapper/310:09:123
71370rcu_preempt0-21swapper/310:09:123
71370rcu_preempt0-21swapper/310:09:123
71370rcu_preempt0-21swapper/309:58:303
71370rcu_preempt0-21swapper/309:58:303
71370rcu_preempt0-21swapper/309:58:303
71370rcu_preempt0-21swapper/309:02:553
71370rcu_preempt0-21swapper/309:02:553
71370rcu_preempt0-21swapper/308:25:303
71370rcu_preempt0-21swapper/308:25:303
71370rcu_preempt0-21swapper/212:16:152
71370rcu_preempt0-21swapper/212:16:152
71370rcu_preempt0-21swapper/211:52:532
71370rcu_preempt0-21swapper/211:52:532
71370rcu_preempt0-21swapper/210:32:532
71370rcu_preempt0-21swapper/210:32:532
71370rcu_preempt0-21swapper/210:32:532
71370rcu_preempt0-21swapper/210:18:142
71370rcu_preempt0-21swapper/210:18:142
71370rcu_preempt0-21swapper/210:18:142
71370rcu_preempt0-21swapper/210:12:462
71370rcu_preempt0-21swapper/210:12:462
71370rcu_preempt0-21swapper/209:58:092
71370rcu_preempt0-21swapper/209:58:092
71370rcu_preempt0-21swapper/209:58:092
71370rcu_preempt0-21swapper/209:37:382
71370rcu_preempt0-21swapper/209:37:382
71370rcu_preempt0-21swapper/209:23:362
71370rcu_preempt0-21swapper/209:23:362
71370rcu_preempt0-21swapper/209:23:362
71370rcu_preempt0-21swapper/209:23:362
71370rcu_preempt0-21swapper/208:46:302
71370rcu_preempt0-21swapper/208:46:302
71370rcu_preempt0-21swapper/208:24:452
71370rcu_preempt0-21swapper/208:24:452
71370rcu_preempt0-21swapper/207:27:382
71370rcu_preempt0-21swapper/207:27:382
71360rcu_preempt6331-1kworker/2:1H10:38:172
71360rcu_preempt6331-1kworker/2:1H10:38:172
71360rcu_preempt6331-1kworker/2:1H10:38:172
71360rcu_preempt16225-21ssh09:48:482
71360rcu_preempt16225-21ssh09:48:482
71360rcu_preempt11390-21chrt11:37:522
71360rcu_preempt11390-21chrt11:37:522
71360rcu_preempt0-21swapper/312:30:223
71360rcu_preempt0-21swapper/312:30:223
71360rcu_preempt0-21swapper/312:30:223
71360rcu_preempt0-21swapper/311:48:033
71360rcu_preempt0-21swapper/311:48:033
71360rcu_preempt0-21swapper/311:48:033
71360rcu_preempt0-21swapper/311:48:033
71360rcu_preempt0-21swapper/310:41:573
71360rcu_preempt0-21swapper/310:41:573
71360rcu_preempt0-21swapper/310:41:573
71360rcu_preempt0-21swapper/309:30:383
71360rcu_preempt0-21swapper/309:30:383
71360rcu_preempt0-21swapper/309:30:383
71360rcu_preempt0-21swapper/309:19:073
71360rcu_preempt0-21swapper/309:19:073
71360rcu_preempt0-21swapper/212:39:432
71360rcu_preempt0-21swapper/212:39:432
71360rcu_preempt0-21swapper/211:06:552
71360rcu_preempt0-21swapper/211:06:552
71360rcu_preempt0-21swapper/211:06:552
71360rcu_preempt0-21swapper/210:53:512
71360rcu_preempt0-21swapper/210:53:512
71360rcu_preempt0-21swapper/209:54:412
71360rcu_preempt0-21swapper/209:54:412
71360rcu_preempt0-21swapper/209:54:412
71360rcu_preempt0-21swapper/209:19:272
71360rcu_preempt0-21swapper/209:19:272
71360rcu_preempt0-21swapper/208:17:522
71360rcu_preempt0-21swapper/208:17:522
71360rcu_preempt0-21swapper/208:17:522
71360rcu_preempt0-21swapper/207:12:492
71360rcu_preempt0-21swapper/207:12:492
71360rcu_preempt0-21swapper/111:32:281
71360rcu_preempt0-21swapper/111:32:281
71360rcu_preempt0-21swapper/111:32:281
46450360irq/118-QManpo14201-2110:48:552
46450360irq/118-QManpo14201-2110:48:552
71350rcu_preempt5144-1kworker/2:2H08:12:492
71350rcu_preempt5144-1kworker/2:2H08:12:492
71350rcu_preempt23546-21ssh11:01:431
71350rcu_preempt23546-21ssh11:01:431
71350rcu_preempt23181-21sendmail-msp10:03:103
71350rcu_preempt23181-21sendmail-msp10:03:103
71350rcu_preempt23181-21sendmail-msp10:03:103
71350rcu_preempt17964-21crond08:37:262
71350rcu_preempt17964-21crond08:37:262
71350rcu_preempt17430-21sh10:50:223
71350rcu_preempt17430-21sh10:50:223
71350rcu_preempt17430-21sh10:50:223
71350rcu_preempt0-21swapper/309:53:103
71350rcu_preempt0-21swapper/309:53:103
71350rcu_preempt0-21swapper/309:53:103
71350rcu_preempt0-21swapper/309:45:303
71350rcu_preempt0-21swapper/309:45:303
71350rcu_preempt0-21swapper/309:45:303
71350rcu_preempt0-21swapper/309:34:213
71350rcu_preempt0-21swapper/309:34:213
71350rcu_preempt0-21swapper/308:07:153
71350rcu_preempt0-21swapper/308:07:153
71350rcu_preempt0-21swapper/308:07:153
71350rcu_preempt0-21swapper/212:37:042
71350rcu_preempt0-21swapper/212:37:042
71350rcu_preempt0-21swapper/211:37:292
71350rcu_preempt0-21swapper/211:37:292
71350rcu_preempt0-21swapper/211:00:322
71350rcu_preempt0-21swapper/211:00:322
71350rcu_preempt0-21swapper/209:07:372
71350rcu_preempt0-21swapper/209:07:372
71350rcu_preempt0-21swapper/209:04:272
71350rcu_preempt0-21swapper/209:04:272
71350rcu_preempt0-21swapper/207:44:492
71350rcu_preempt0-21swapper/207:44:492
71350rcu_preempt0-21swapper/207:44:492
71340rcu_preempt1773-21rs:main3
71340rcu_preempt1773-21rs:main3
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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