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2026-04-24 - 03:29
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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 Fri Apr 24, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71620rcu_preempt0-21swapper/020:18:000
71620rcu_preempt0-21swapper/020:18:000
71560rcu_preempt0-21swapper/021:34:060
71560rcu_preempt0-21swapper/021:34:060
46050540irq/122-QManpo7541-2110:48:550
46050540irq/122-QManpo7541-2110:48:550
71530rcu_preempt0-21swapper/320:22:403
71530rcu_preempt0-21swapper/320:22:403
71470rcu_preempt11094-21/usr/sbin/munin19:22:561
71470rcu_preempt11094-21/usr/sbin/munin19:22:561
71440rcu_preempt0-21swapper/100:12:381
71440rcu_preempt0-21swapper/100:12:381
71430rcu_preempt8431-21/usr/sbin/munin00:08:002
71430rcu_preempt8431-21/usr/sbin/munin00:08:002
71430rcu_preempt8431-21/usr/sbin/munin00:08:002
71430rcu_preempt0-21swapper/300:08:283
71430rcu_preempt0-21swapper/300:08:283
71430rcu_preempt0-21swapper/300:08:283
71430rcu_preempt0-21swapper/223:23:262
71430rcu_preempt0-21swapper/223:23:262
71430rcu_preempt0-21swapper/223:23:262
71430rcu_preempt0-21swapper/120:17:471
71430rcu_preempt0-21swapper/120:17:471
71420rcu_preempt26395-21runrttasks20:17:563
71420rcu_preempt26395-21runrttasks20:17:563
71410rcu_preempt20366-21sh23:32:283
71410rcu_preempt20366-21sh23:32:283
71410rcu_preempt20366-21sh23:32:283
71400rcu_preempt25074-21ssh00:38:251
71400rcu_preempt25074-21ssh00:38:251
71400rcu_preempt25074-21ssh00:38:251
71400rcu_preempt0-21swapper/221:27:342
71400rcu_preempt0-21swapper/221:27:342
46050400irq/122-QManpo28579-2110:48:550
46050400irq/122-QManpo28579-2110:48:550
46050400irq/122-QManpo26037-2110:48:550
46050400irq/122-QManpo26037-2110:48:550
46050400irq/122-QManpo17349-2110:48:550
46050400irq/122-QManpo17349-2110:48:550
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
71390rcu_preempt5893-1kworker/2:1H23:07:312
71390rcu_preempt5893-1kworker/2:1H23:07:312
71390rcu_preempt5893-1kworker/2:1H23:07:312
71390rcu_preempt4620-21sendmail-msp23:20:222
71390rcu_preempt4620-21sendmail-msp23:20:222
71390rcu_preempt4620-21sendmail-msp23:20:222
71390rcu_preempt10303-21apt-get19:22:480
71390rcu_preempt10303-21apt-get19:22:480
71390rcu_preempt0-21swapper/219:47:282
71390rcu_preempt0-21swapper/219:47:282
71390rcu_preempt0-21swapper/123:19:251
71390rcu_preempt0-21swapper/123:19:251
71390rcu_preempt0-21swapper/123:19:251
71390rcu_preempt0-21swapper/122:13:521
71390rcu_preempt0-21swapper/122:13:521
71390rcu_preempt0-21swapper/000:29:070
71390rcu_preempt0-21swapper/000:29:070
71390rcu_preempt0-21swapper/000:29:070
46450390irq/118-QManpo0-2110:48:552
46450390irq/118-QManpo0-2110:48:552
46050390irq/122-QManpo24255-2110:48:550
46050390irq/122-QManpo24255-2110:48:550
1599390migration/030976-21runrttasks23:51:200
1599390migration/030976-21runrttasks23:51:200
1599390migration/030976-21runrttasks23:51:200
71380rcu_preempt29872-21ssh21:50:131
71380rcu_preempt29872-21ssh21:50:131
71380rcu_preempt29872-21ssh21:50:131
71380rcu_preempt23488-21df_abs22:37:441
71380rcu_preempt23488-21df_abs22:37:441
71380rcu_preempt20453-21ssh22:32:392
71380rcu_preempt20453-21ssh22:32:392
71380rcu_preempt12257-21apt-get22:17:421
71380rcu_preempt12257-21apt-get22:17:421
71380rcu_preempt0-21swapper/323:06:193
71380rcu_preempt0-21swapper/323:06:193
71380rcu_preempt0-21swapper/323:06:193
71380rcu_preempt0-21swapper/320:28:433
71380rcu_preempt0-21swapper/320:28:433
71380rcu_preempt0-21swapper/319:52:363
71380rcu_preempt0-21swapper/319:52:363
71380rcu_preempt0-21swapper/222:40:592
71380rcu_preempt0-21swapper/222:40:592
71380rcu_preempt0-21swapper/222:04:242
71380rcu_preempt0-21swapper/222:04:242
71380rcu_preempt0-21swapper/222:01:502
71380rcu_preempt0-21swapper/222:01:502
71380rcu_preempt0-21swapper/222:01:502
71380rcu_preempt0-21swapper/200:38:012
71380rcu_preempt0-21swapper/200:38:012
71380rcu_preempt0-21swapper/200:38:012
71380rcu_preempt0-21swapper/122:27:181
71380rcu_preempt0-21swapper/122:27:181
71380rcu_preempt0-21swapper/121:57:451
71380rcu_preempt0-21swapper/121:57:451
71380rcu_preempt0-21swapper/121:57:451
71380rcu_preempt0-21swapper/121:45:341
71380rcu_preempt0-21swapper/121:45:341
71380rcu_preempt0-21swapper/121:45:341
46050380irq/122-QManpo27424-2110:48:550
46050380irq/122-QManpo27424-2110:48:550
274232380sleep027384-1kworker/0:4H23:43:390
274232380sleep027384-1kworker/0:4H23:43:390
274232380sleep027384-1kworker/0:4H23:43:390
71370rcu_preempt9035-21sh22:11:521
71370rcu_preempt9035-21sh22:11:521
71370rcu_preempt1850-1kworker/3:0H00:02:293
71370rcu_preempt1850-1kworker/3:0H00:02:293
71370rcu_preempt1850-1kworker/3:0H00:02:293
71370rcu_preempt1784-21latency_hist23:57:322
71370rcu_preempt1784-21latency_hist23:57:322
71370rcu_preempt1784-21latency_hist23:57:322
71370rcu_preempt10367-21copy19:22:392
71370rcu_preempt10367-21copy19:22:392
71370rcu_preempt0-21swapper/323:43:223
71370rcu_preempt0-21swapper/323:43:223
71370rcu_preempt0-21swapper/323:43:223
71370rcu_preempt0-21swapper/322:42:403
71370rcu_preempt0-21swapper/322:42:403
71370rcu_preempt0-21swapper/322:42:403
71370rcu_preempt0-21swapper/223:33:182
71370rcu_preempt0-21swapper/223:33:182
71370rcu_preempt0-21swapper/223:33:182
71370rcu_preempt0-21swapper/222:43:492
71370rcu_preempt0-21swapper/222:43:492
71370rcu_preempt0-21swapper/222:43:492
71370rcu_preempt0-21swapper/222:11:362
71370rcu_preempt0-21swapper/222:11:362
71370rcu_preempt0-21swapper/221:42:542
71370rcu_preempt0-21swapper/221:42:542
71370rcu_preempt0-21swapper/221:42:542
71370rcu_preempt0-21swapper/220:42:552
71370rcu_preempt0-21swapper/220:42:552
71370rcu_preempt0-21swapper/122:51:471
71370rcu_preempt0-21swapper/122:51:471
71370rcu_preempt0-21swapper/122:45:591
71370rcu_preempt0-21swapper/122:45:591
71370rcu_preempt0-21swapper/122:45:591
71370rcu_preempt0-21swapper/121:27:411
71370rcu_preempt0-21swapper/121:27:411
71370rcu_preempt0-21swapper/121:27:411
71370rcu_preempt0-21swapper/100:28:291
71370rcu_preempt0-21swapper/100:28:291
71370rcu_preempt0-21swapper/100:28:291
46050370irq/122-QManpo7027-2110:48:550
46050370irq/122-QManpo7027-2110:48:550
46050370irq/122-QManpo6286-2110:48:550
46050370irq/122-QManpo6286-2110:48:550
46050370irq/122-QManpo6286-2110:48:550
46050370irq/122-QManpo23361-2110:48:550
46050370irq/122-QManpo23361-2110:48:550
46050370irq/122-QManpo22637-210
46050370irq/122-QManpo22637-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
199852370sleep016943-1kworker/0:0H19:56:500
199852370sleep016943-1kworker/0:0H19:56:500
115732370sleep08675-1kworker/0:1H22:16:130
115732370sleep08675-1kworker/0:1H22:16:130
71360rcu_preempt7658-21cyclictest21:47:592
71360rcu_preempt7658-21cyclictest21:47:592
71360rcu_preempt7658-21cyclictest21:47:592
71360rcu_preempt6725-1kworker/3:2H23:14:503
71360rcu_preempt6725-1kworker/3:2H23:14:503
71360rcu_preempt6725-1kworker/3:2H23:14:503
71360rcu_preempt5893-1kworker/2:1H23:07:422
71360rcu_preempt5893-1kworker/2:1H23:07:422
71360rcu_preempt4821-21sh00:02:351
71360rcu_preempt31827-21ssh21:53:101
71360rcu_preempt31827-21ssh21:53:101
71360rcu_preempt18965-21sh21:30:232
71360rcu_preempt18965-21sh21:30:232
71360rcu_preempt18965-21sh21:30:232
71360rcu_preempt0-21swapper/322:27:373
71360rcu_preempt0-21swapper/322:27:373
71360rcu_preempt0-21swapper/322:27:373
71360rcu_preempt0-21swapper/320:02:493
71360rcu_preempt0-21swapper/320:02:493
71360rcu_preempt0-21swapper/300:31:563
71360rcu_preempt0-21swapper/300:31:563
71360rcu_preempt0-21swapper/300:31:563
71360rcu_preempt0-21swapper/223:51:122
71360rcu_preempt0-21swapper/223:51:122
71360rcu_preempt0-21swapper/223:51:122
71360rcu_preempt0-21swapper/223:42:492
71360rcu_preempt0-21swapper/223:42:492
71360rcu_preempt0-21swapper/223:42:492
71360rcu_preempt0-21swapper/223:41:242
71360rcu_preempt0-21swapper/223:41:242
71360rcu_preempt0-21swapper/223:28:102
71360rcu_preempt0-21swapper/223:28:102
71360rcu_preempt0-21swapper/223:28:102
71360rcu_preempt0-21swapper/222:59:252
71360rcu_preempt0-21swapper/222:59:252
71360rcu_preempt0-21swapper/222:30:232
71360rcu_preempt0-21swapper/222:30:232
71360rcu_preempt0-21swapper/222:30:232
71360rcu_preempt0-21swapper/222:25:072
71360rcu_preempt0-21swapper/222:25:072
71360rcu_preempt0-21swapper/221:40:332
71360rcu_preempt0-21swapper/221:40:332
71360rcu_preempt0-21swapper/221:20:062
71360rcu_preempt0-21swapper/221:20:062
71360rcu_preempt0-21swapper/221:13:472
71360rcu_preempt0-21swapper/221:13:472
71360rcu_preempt0-21swapper/200:32:522
71360rcu_preempt0-21swapper/200:32:522
71360rcu_preempt0-21swapper/200:32:252
71360rcu_preempt0-21swapper/200:32:252
71360rcu_preempt0-21swapper/200:32:252
71360rcu_preempt0-21swapper/200:26:572
71360rcu_preempt0-21swapper/200:26:572
71360rcu_preempt0-21swapper/200:26:572
71360rcu_preempt0-21swapper/200:22:192
71360rcu_preempt0-21swapper/200:22:192
71360rcu_preempt0-21swapper/200:01:542
71360rcu_preempt0-21swapper/200:01:542
71360rcu_preempt0-21swapper/200:01:542
71360rcu_preempt0-21swapper/123:43:111
71360rcu_preempt0-21swapper/123:43:111
71360rcu_preempt0-21swapper/123:43:111
71360rcu_preempt0-21swapper/122:37:221
71360rcu_preempt0-21swapper/122:37:221
71360rcu_preempt0-21swapper/121:04:411
71360rcu_preempt0-21swapper/121:04:411
71360rcu_preempt0-21swapper/121:04:411
71360rcu_preempt0-21swapper/120:48:461
71360rcu_preempt0-21swapper/120:48:461
71360rcu_preempt0-21swapper/120:48:461
71360rcu_preempt0-21swapper/120:26:091
71360rcu_preempt0-21swapper/120:26:091
71360rcu_preempt0-21swapper/119:27:401
71360rcu_preempt0-21swapper/119:27:401
71360rcu_preempt0-21swapper/100:23:281
71360rcu_preempt0-21swapper/100:23:281
71360rcu_preempt0-21swapper/100:23:281
71360rcu_preempt0-21swapper/100:12:141
71360rcu_preempt0-21swapper/100:12:141
71360rcu_preempt0-21swapper/100:12:141
46050360irq/122-QManpo8057-2110:48:550
46050360irq/122-QManpo8057-2110:48:550
46050360irq/122-QManpo8057-2110:48:550
46050360irq/122-QManpo27527-2110:48:550
46050360irq/122-QManpo27527-2110:48:550
46050360irq/122-QManpo27527-2110:48:550
46050360irq/122-QManpo23832-2110:48:550
46050360irq/122-QManpo23832-2110:48:550
46050360irq/122-QManpo18537-210
46050360irq/122-QManpo18537-210
46050360irq/122-QManpo18537-210
46050360irq/122-QManpo18100-2110:48:550
46050360irq/122-QManpo18100-2110:48:550
46050360irq/122-QManpo18100-2110:48:550
46050360irq/122-QManpo16694-2110:48:550
46050360irq/122-QManpo16694-2110:48:550
46050360irq/122-QManpo16694-2110:48:550
46050360irq/122-QManpo16200-2110:48:550
46050360irq/122-QManpo16200-2110:48:550
46050360irq/122-QManpo15860-10
46050360irq/122-QManpo15860-10
46050360irq/122-QManpo14967-210
46050360irq/122-QManpo14967-210
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
46050360irq/122-QManpo0-210
301492360chrt21040-1kworker/0:0H21:51:030
301492360chrt21040-1kworker/0:0H21:51:030
301492360chrt21040-1kworker/0:0H21:51:030
215362360sleep020051-1kworker/0:2H23:33:040
215362360sleep020051-1kworker/0:2H23:33:040
215362360sleep020051-1kworker/0:2H23:33:040
71350rcu_preempt31204-21sh23:52:013
71350rcu_preempt31204-21sh23:52:013
71350rcu_preempt31204-21sh23:52:013
71350rcu_preempt25765-21kworker/2:120:17:532
71350rcu_preempt25765-21kworker/2:120:17:532
71350rcu_preempt0-21swapper/321:28:013
71350rcu_preempt0-21swapper/321:28:013
71350rcu_preempt0-21swapper/321:28:013
71350rcu_preempt0-21swapper/223:17:182
71350rcu_preempt0-21swapper/223:17:182
71350rcu_preempt0-21swapper/223:17:182
71350rcu_preempt0-21swapper/222:56:362
71350rcu_preempt0-21swapper/222:56:362
71350rcu_preempt0-21swapper/222:14:102
71350rcu_preempt0-21swapper/222:14:102
71350rcu_preempt0-21swapper/221:32:532
71350rcu_preempt0-21swapper/221:32:532
71350rcu_preempt0-21swapper/221:02:532
71350rcu_preempt0-21swapper/221:02:532
71350rcu_preempt0-21swapper/221:02:532
71350rcu_preempt0-21swapper/219:38:532
71350rcu_preempt0-21swapper/219:38:532
71350rcu_preempt0-21swapper/200:07:192
71350rcu_preempt0-21swapper/200:07:192
71350rcu_preempt0-21swapper/200:07:192
71350rcu_preempt0-21swapper/123:35:351
71350rcu_preempt0-21swapper/123:35:351
71350rcu_preempt0-21swapper/123:35:351
71350rcu_preempt0-21swapper/123:15:151
71350rcu_preempt0-21swapper/123:15:151
71350rcu_preempt0-21swapper/123:15:151
71350rcu_preempt0-21swapper/121:39:471
71350rcu_preempt0-21swapper/121:39:471
71350rcu_preempt0-21swapper/121:13:251
71350rcu_preempt0-21swapper/121:13:251
71350rcu_preempt0-21swapper/119:56:381
71350rcu_preempt0-21swapper/119:56:381
71350rcu_preempt0-21swapper/100:06:531
71350rcu_preempt0-21swapper/100:06:531
71350rcu_preempt0-21swapper/100:06:531
46650350irq/116-QManpo0-2110:48:553
46650350irq/116-QManpo0-2110:48:553
46050350irq/122-QManpo4847-10
46050350irq/122-QManpo4847-10
46050350irq/122-QManpo4847-10
46050350irq/122-QManpo25855-2110:48:550
46050350irq/122-QManpo25855-2110:48:550
46050350irq/122-QManpo25855-2110:48:550
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
26492350sleep01279-1kworker/0:2H20:48:050
26492350sleep01279-1kworker/0:2H20:48:050
26492350sleep01279-1kworker/0:2H20:48:050
139382350sleep08649-1kworker/0:3H00:18:040
139382350sleep08649-1kworker/0:3H00:18:040
71672340chrt689-1kworker/1:3H19:08:001
71672340chrt689-1kworker/1:3H19:08:001
71340rcu_preempt21180-21sh00:32:421
71340rcu_preempt21180-21sh00:32:421
71340rcu_preempt1959-21runrttasks19:51:191
71340rcu_preempt1959-21runrttasks19:51:191
71340rcu_preempt1958-21snmpd20:12:411
71340rcu_preempt1958-21snmpd20:12:411
71340rcu_preempt0-21swapper/322:06:323
71340rcu_preempt0-21swapper/322:06:323
71340rcu_preempt0-21swapper/321:44:333
71340rcu_preempt0-21swapper/321:44:333
71340rcu_preempt0-21swapper/321:44:333
71340rcu_preempt0-21swapper/320:48:573
71340rcu_preempt0-21swapper/320:48:573
71340rcu_preempt0-21swapper/320:48:573
71340rcu_preempt0-21swapper/319:32:403
71340rcu_preempt0-21swapper/319:32:403
71340rcu_preempt0-21swapper/222:49:502
71340rcu_preempt0-21swapper/222:49:502
71340rcu_preempt0-21swapper/220:07:212
71340rcu_preempt0-21swapper/220:07:212
71340rcu_preempt0-21swapper/123:52:181
71340rcu_preempt0-21swapper/123:52:181
71340rcu_preempt0-21swapper/123:52:181
71340rcu_preempt0-21swapper/123:23:521
71340rcu_preempt0-21swapper/123:23:521
71340rcu_preempt0-21swapper/123:23:521
71340rcu_preempt0-21swapper/123:10:341
71340rcu_preempt0-21swapper/123:10:341
71340rcu_preempt0-21swapper/123:06:311
71340rcu_preempt0-21swapper/123:06:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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