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2026-06-20 - 11:29
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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 Sat Jun 20, 2026 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
293192970chrt46650irq/116-QMan10:48:553
293192970chrt46650irq/116-QMan10:48:553
293192970chrt46650irq/116-QMan10:48:553
71550rcu_preempt0-21swapper/000:04:300
71550rcu_preempt0-21swapper/000:04:300
71550rcu_preempt0-21swapper/000:04:300
71550rcu_preempt0-21swapper/000:04:300
46450510irq/118-QManpo1411-2110:48:552
46450510irq/118-QManpo1411-2110:48:552
71480rcu_preempt0-21swapper/023:29:300
71480rcu_preempt0-21swapper/023:29:300
71480rcu_preempt0-21swapper/023:29:300
46050460irq/122-QManpo0-210
46050460irq/122-QManpo0-210
71430rcu_preempt0-21swapper/119:09:471
71430rcu_preempt0-21swapper/119:09:471
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
71420rcu_preempt12610-21sh23:28:360
71420rcu_preempt12610-21sh23:28:360
71420rcu_preempt0-21swapper/221:20:382
71420rcu_preempt0-21swapper/221:20:382
46050420irq/122-QManpo26523-210
46050420irq/122-QManpo26523-210
46050420irq/122-QManpo26523-210
71410rcu_preempt20313-21sendmail-msp00:05:442
71410rcu_preempt20313-21sendmail-msp00:05:442
71410rcu_preempt20313-21sendmail-msp00:05:442
71410rcu_preempt20313-21sendmail-msp00:05:442
1599410migration/02239-21runrttasks20:57:320
1599410migration/02239-21runrttasks20:57:320
1599410migration/02239-21runrttasks20:57:320
71400rcu_preempt1966-21sh23:08:072
71400rcu_preempt1966-21sh23:08:072
71400rcu_preempt1966-21sh23:08:072
71400rcu_preempt14393-21/usr/sbin/munin21:28:562
71400rcu_preempt14393-21/usr/sbin/munin21:28:562
71400rcu_preempt14393-21/usr/sbin/munin21:28:562
71400rcu_preempt0-21swapper/200:02:572
71400rcu_preempt0-21swapper/200:02:572
71400rcu_preempt0-21swapper/200:02:572
71400rcu_preempt0-21swapper/121:33:011
71400rcu_preempt0-21swapper/121:33:011
71400rcu_preempt0-21swapper/121:33:011
46650400irq/116-QManpo1521-2110:48:553
46650400irq/116-QManpo1521-2110:48:553
71390rcu_preempt29590-21kworker/3:319:28:503
71390rcu_preempt29590-21kworker/3:319:28:503
71390rcu_preempt22801-21sh23:48:132
71390rcu_preempt22801-21sh23:48:132
71390rcu_preempt22801-21sh23:48:132
71390rcu_preempt0-21swapper/300:09:123
71390rcu_preempt0-21swapper/300:09:123
71390rcu_preempt0-21swapper/300:09:123
71390rcu_preempt0-21swapper/222:23:382
71390rcu_preempt0-21swapper/222:23:382
71390rcu_preempt0-21swapper/222:23:382
71390rcu_preempt0-21swapper/200:29:342
71390rcu_preempt0-21swapper/200:29:342
71390rcu_preempt0-21swapper/122:28:231
71390rcu_preempt0-21swapper/122:28:231
71390rcu_preempt0-21swapper/122:28:231
46050390irq/122-QManpo14002-2110:48:550
46050390irq/122-QManpo14002-2110:48:550
46050390irq/122-QManpo14002-2110:48:550
71380rcu_preempt0-21swapper/321:45:253
71380rcu_preempt0-21swapper/321:45:253
71380rcu_preempt0-21swapper/321:45:253
71380rcu_preempt0-21swapper/300:37:263
71380rcu_preempt0-21swapper/300:37:263
71380rcu_preempt0-21swapper/223:38:422
71380rcu_preempt0-21swapper/223:38:422
71380rcu_preempt0-21swapper/223:26:092
71380rcu_preempt0-21swapper/223:26:092
71380rcu_preempt0-21swapper/223:26:092
71380rcu_preempt0-21swapper/222:15:042
71380rcu_preempt0-21swapper/222:15:042
71380rcu_preempt0-21swapper/222:15:042
71380rcu_preempt0-21swapper/220:40:042
71380rcu_preempt0-21swapper/220:40:042
71380rcu_preempt0-21swapper/123:20:451
71380rcu_preempt0-21swapper/123:20:451
71380rcu_preempt0-21swapper/122:10:121
71380rcu_preempt0-21swapper/122:10:121
71380rcu_preempt0-21swapper/122:10:121
71380rcu_preempt0-21swapper/021:56:040
71380rcu_preempt0-21swapper/021:56:040
71380rcu_preempt0-21swapper/021:56:040
46050380irq/122-QManpo32060-2110:48:550
46050380irq/122-QManpo32060-2110:48:550
46050380irq/122-QManpo32060-2110:48:550
46050380irq/122-QManpo25526-2110:48:550
46050380irq/122-QManpo25526-2110:48:550
46050380irq/122-QManpo25526-2110:48:550
46050380irq/122-QManpo22576-2110:48:550
46050380irq/122-QManpo22576-2110:48:550
46050380irq/122-QManpo11459-2110:48:550
46050380irq/122-QManpo11459-2110:48:550
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
71370rcu_preempt23956-1kworker/3:3H21:49:383
71370rcu_preempt23956-1kworker/3:3H21:49:383
71370rcu_preempt23956-1kworker/3:3H21:49:383
71370rcu_preempt20313-21sendmail-msp00:11:541
71370rcu_preempt20313-21sendmail-msp00:11:541
71370rcu_preempt20313-21sendmail-msp00:11:541
71370rcu_preempt20196-21sh22:39:241
71370rcu_preempt20196-21sh22:39:241
71370rcu_preempt20196-21sh22:39:241
71370rcu_preempt14210-21sh22:28:453
71370rcu_preempt14210-21sh22:28:453
71370rcu_preempt14210-21sh22:28:453
71370rcu_preempt11557-1kworker/3:1H21:28:353
71370rcu_preempt11557-1kworker/3:1H21:28:353
71370rcu_preempt11557-1kworker/3:1H21:28:353
71370rcu_preempt0-21swapper/323:25:483
71370rcu_preempt0-21swapper/323:25:483
71370rcu_preempt0-21swapper/323:25:483
71370rcu_preempt0-21swapper/323:16:593
71370rcu_preempt0-21swapper/323:16:593
71370rcu_preempt0-21swapper/322:14:433
71370rcu_preempt0-21swapper/322:14:433
71370rcu_preempt0-21swapper/322:14:433
71370rcu_preempt0-21swapper/322:13:003
71370rcu_preempt0-21swapper/322:13:003
71370rcu_preempt0-21swapper/322:13:003
71370rcu_preempt0-21swapper/321:14:403
71370rcu_preempt0-21swapper/321:14:403
71370rcu_preempt0-21swapper/321:14:403
71370rcu_preempt0-21swapper/320:31:593
71370rcu_preempt0-21swapper/320:31:593
71370rcu_preempt0-21swapper/320:31:593
71370rcu_preempt0-21swapper/223:53:292
71370rcu_preempt0-21swapper/223:53:292
71370rcu_preempt0-21swapper/223:53:292
71370rcu_preempt0-21swapper/222:09:142
71370rcu_preempt0-21swapper/222:09:142
71370rcu_preempt0-21swapper/222:09:142
71370rcu_preempt0-21swapper/221:46:362
71370rcu_preempt0-21swapper/221:46:362
71370rcu_preempt0-21swapper/221:46:362
71370rcu_preempt0-21swapper/220:19:192
71370rcu_preempt0-21swapper/220:19:192
71370rcu_preempt0-21swapper/220:19:192
71370rcu_preempt0-21swapper/123:41:341
71370rcu_preempt0-21swapper/123:41:341
71370rcu_preempt0-21swapper/123:31:001
71370rcu_preempt0-21swapper/123:31:001
71370rcu_preempt0-21swapper/123:31:001
71370rcu_preempt0-21swapper/119:58:221
71370rcu_preempt0-21swapper/119:58:221
71370rcu_preempt0-21swapper/119:35:191
71370rcu_preempt0-21swapper/119:35:191
71370rcu_preempt0-21swapper/023:25:220
46050370irq/122-QManpo6679-2110:48:550
46050370irq/122-QManpo6679-2110:48:550
46050370irq/122-QManpo6679-2110:48:550
46050370irq/122-QManpo32244-2110:48:550
46050370irq/122-QManpo32244-2110:48:550
46050370irq/122-QManpo25491-2110:48:550
46050370irq/122-QManpo25491-2110:48:550
46050370irq/122-QManpo25491-2110:48:550
46050370irq/122-QManpo24207-2110:48:550
46050370irq/122-QManpo24207-2110:48:550
46050370irq/122-QManpo24207-2110:48:550
46050370irq/122-QManpo23953-10
46050370irq/122-QManpo23953-10
46050370irq/122-QManpo23953-10
46050370irq/122-QManpo20481-2110:48:550
46050370irq/122-QManpo20481-2110:48:550
46050370irq/122-QManpo20481-2110:48:550
46050370irq/122-QManpo15896-2110:48:550
46050370irq/122-QManpo15896-2110:48:550
46050370irq/122-QManpo10057-2110:48:550
46050370irq/122-QManpo10057-2110:48:550
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
121402370sleep010271-1kworker/0:1H00:29:310
121402370sleep010271-1kworker/0:1H00:29:310
71360rcu_preempt9946-21sh22:19:541
71360rcu_preempt9946-21sh22:19:541
71360rcu_preempt9946-21sh22:19:541
71360rcu_preempt32636-21diskmemload22:02:032
71360rcu_preempt32636-21diskmemload22:02:032
71360rcu_preempt26894-21sh23:54:502
71360rcu_preempt26894-21sh23:54:502
71360rcu_preempt26894-21sh23:54:502
71360rcu_preempt26527-21ssh23:54:011
71360rcu_preempt26527-21ssh23:54:011
71360rcu_preempt26527-21ssh23:54:011
71360rcu_preempt15162-1kworker/1:0H22:30:201
71360rcu_preempt15162-1kworker/1:0H22:30:201
71360rcu_preempt15162-1kworker/1:0H22:30:201
71360rcu_preempt0-21swapper/323:34:063
71360rcu_preempt0-21swapper/323:34:063
71360rcu_preempt0-21swapper/323:34:063
71360rcu_preempt0-21swapper/322:41:523
71360rcu_preempt0-21swapper/322:41:523
71360rcu_preempt0-21swapper/322:41:523
71360rcu_preempt0-21swapper/321:37:293
71360rcu_preempt0-21swapper/321:37:293
71360rcu_preempt0-21swapper/319:33:393
71360rcu_preempt0-21swapper/319:33:393
71360rcu_preempt0-21swapper/223:36:582
71360rcu_preempt0-21swapper/223:36:582
71360rcu_preempt0-21swapper/223:36:582
71360rcu_preempt0-21swapper/223:32:162
71360rcu_preempt0-21swapper/223:32:162
71360rcu_preempt0-21swapper/223:32:162
71360rcu_preempt0-21swapper/223:23:052
71360rcu_preempt0-21swapper/223:23:052
71360rcu_preempt0-21swapper/223:17:142
71360rcu_preempt0-21swapper/223:17:142
71360rcu_preempt0-21swapper/223:10:572
71360rcu_preempt0-21swapper/223:10:572
71360rcu_preempt0-21swapper/223:10:572
71360rcu_preempt0-21swapper/222:54:462
71360rcu_preempt0-21swapper/222:54:462
71360rcu_preempt0-21swapper/222:54:462
71360rcu_preempt0-21swapper/222:36:232
71360rcu_preempt0-21swapper/222:36:232
71360rcu_preempt0-21swapper/222:33:372
71360rcu_preempt0-21swapper/221:52:232
71360rcu_preempt0-21swapper/221:52:232
71360rcu_preempt0-21swapper/221:52:232
71360rcu_preempt0-21swapper/221:26:432
71360rcu_preempt0-21swapper/221:26:432
71360rcu_preempt0-21swapper/221:26:432
71360rcu_preempt0-21swapper/221:15:452
71360rcu_preempt0-21swapper/221:15:452
71360rcu_preempt0-21swapper/221:15:452
71360rcu_preempt0-21swapper/220:49:062
71360rcu_preempt0-21swapper/220:49:062
71360rcu_preempt0-21swapper/200:40:302
71360rcu_preempt0-21swapper/200:40:302
71360rcu_preempt0-21swapper/200:40:302
71360rcu_preempt0-21swapper/200:21:372
71360rcu_preempt0-21swapper/200:21:372
71360rcu_preempt0-21swapper/200:21:372
71360rcu_preempt0-21swapper/123:08:151
71360rcu_preempt0-21swapper/123:08:151
71360rcu_preempt0-21swapper/123:08:151
71360rcu_preempt0-21swapper/122:35:191
71360rcu_preempt0-21swapper/122:35:191
71360rcu_preempt0-21swapper/122:14:081
71360rcu_preempt0-21swapper/122:14:081
71360rcu_preempt0-21swapper/122:14:081
71360rcu_preempt0-21swapper/120:07:031
71360rcu_preempt0-21swapper/120:07:031
71360rcu_preempt0-21swapper/119:29:291
71360rcu_preempt0-21swapper/119:29:291
71360rcu_preempt0-21swapper/100:43:281
71360rcu_preempt0-21swapper/100:43:281
71360rcu_preempt0-21swapper/100:43:281
46050360irq/122-QManpo8276-2110:48:550
46050360irq/122-QManpo8276-2110:48:550
46050360irq/122-QManpo8276-2110:48:550
46050360irq/122-QManpo6516-2110:48:550
46050360irq/122-QManpo6516-2110:48:550
46050360irq/122-QManpo6516-2110:48:550
46050360irq/122-QManpo4029-2110:48:550
46050360irq/122-QManpo4029-2110:48:550
46050360irq/122-QManpo3635-2110:48:550
46050360irq/122-QManpo3635-2110:48:550
46050360irq/122-QManpo3635-2110:48:550
46050360irq/122-QManpo31910-2110:48:550
46050360irq/122-QManpo31910-2110:48:550
46050360irq/122-QManpo27972-10
46050360irq/122-QManpo27972-10
46050360irq/122-QManpo20296-2110:48:550
46050360irq/122-QManpo20296-2110:48:550
46050360irq/122-QManpo19557-2110:48:550
46050360irq/122-QManpo19557-2110:48:550
46050360irq/122-QManpo17473-2110:48:550
46050360irq/122-QManpo17473-2110:48:550
46050360irq/122-QManpo17276-2110:48:550
46050360irq/122-QManpo17276-2110:48:550
46050360irq/122-QManpo14134-2110:48:550
46050360irq/122-QManpo14134-2110:48:550
46050360irq/122-QManpo14134-2110:48:550
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
261942360sleep024688-1kworker/0:2H20:26:150
261942360sleep024688-1kworker/0:2H20:26:150
261942360sleep024688-1kworker/0:2H20:26:150
191292360sleep017764-1kworker/0:0H20:00:090
191292360sleep017764-1kworker/0:0H20:00:090
149542360sleep013297-1kworker/0:0H00:34:580
149542360sleep013297-1kworker/0:0H00:34:580
71350rcu_preempt3104-21sh22:07:472
71350rcu_preempt3104-21sh22:07:472
71350rcu_preempt3104-21sh22:07:472
71350rcu_preempt13867-21sendmail-msp19:52:533
71350rcu_preempt13867-21sendmail-msp19:52:533
71350rcu_preempt0-21swapper/321:53:443
71350rcu_preempt0-21swapper/321:53:443
71350rcu_preempt0-21swapper/321:53:443
71350rcu_preempt0-21swapper/321:30:223
71350rcu_preempt0-21swapper/321:30:223
71350rcu_preempt0-21swapper/321:30:223
71350rcu_preempt0-21swapper/223:00:212
71350rcu_preempt0-21swapper/223:00:212
71350rcu_preempt0-21swapper/222:48:252
71350rcu_preempt0-21swapper/222:48:252
71350rcu_preempt0-21swapper/222:48:252
71350rcu_preempt0-21swapper/222:30:272
71350rcu_preempt0-21swapper/222:30:272
71350rcu_preempt0-21swapper/221:57:362
71350rcu_preempt0-21swapper/221:57:362
71350rcu_preempt0-21swapper/221:57:362
71350rcu_preempt0-21swapper/221:42:352
71350rcu_preempt0-21swapper/221:42:352
71350rcu_preempt0-21swapper/221:10:202
71350rcu_preempt0-21swapper/221:10:202
71350rcu_preempt0-21swapper/221:10:202
71350rcu_preempt0-21swapper/221:07:072
71350rcu_preempt0-21swapper/221:07:072
71350rcu_preempt0-21swapper/220:57:372
71350rcu_preempt0-21swapper/220:57:372
71350rcu_preempt0-21swapper/220:57:372
71350rcu_preempt0-21swapper/220:43:522
71350rcu_preempt0-21swapper/220:43:522
71350rcu_preempt0-21swapper/219:58:422
71350rcu_preempt0-21swapper/219:58:422
71350rcu_preempt0-21swapper/219:58:022
71350rcu_preempt0-21swapper/219:58:022
71350rcu_preempt0-21swapper/219:47:542
71350rcu_preempt0-21swapper/219:47:542
71350rcu_preempt0-21swapper/219:47:542
71350rcu_preempt0-21swapper/219:26:002
71350rcu_preempt0-21swapper/219:26:002
71350rcu_preempt0-21swapper/219:26:002
71350rcu_preempt0-21swapper/200:14:592
71350rcu_preempt0-21swapper/200:14:592
71350rcu_preempt0-21swapper/200:14:592
71350rcu_preempt0-21swapper/123:50:041
71350rcu_preempt0-21swapper/123:50:041
71350rcu_preempt0-21swapper/123:50:041
71350rcu_preempt0-21swapper/123:13:451
71350rcu_preempt0-21swapper/123:13:451
71350rcu_preempt0-21swapper/123:11:491
71350rcu_preempt0-21swapper/123:11:491
71350rcu_preempt0-21swapper/123:11:491
71350rcu_preempt0-21swapper/122:44:431
71350rcu_preempt0-21swapper/122:44:431
71350rcu_preempt0-21swapper/122:44:431
71350rcu_preempt0-21swapper/122:00:101
71350rcu_preempt0-21swapper/122:00:101
71350rcu_preempt0-21swapper/121:38:481
71350rcu_preempt0-21swapper/121:38:481
71350rcu_preempt0-21swapper/121:17:211
71350rcu_preempt0-21swapper/121:17:211
71350rcu_preempt0-21swapper/121:17:211
71350rcu_preempt0-21swapper/120:29:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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