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2026-03-26 - 16:51
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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 Thu Mar 26, 2026 12:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71570rcu_preempt0-21swapper/010:24:230
71570rcu_preempt0-21swapper/010:24:230
71570rcu_preempt0-21swapper/010:24:230
46050530irq/122-QManpo26105-2110:48:550
46050530irq/122-QManpo26105-2110:48:550
71520rcu_preempt4316-21ssh10:26:582
71520rcu_preempt4316-21ssh10:26:582
71520rcu_preempt4316-21ssh10:26:582
71520rcu_preempt0-21swapper/010:42:090
71520rcu_preempt0-21swapper/010:42:090
71520rcu_preempt0-21swapper/010:42:090
71510rcu_preempt0-21swapper/211:45:002
71510rcu_preempt0-21swapper/211:45:002
71510rcu_preempt0-21swapper/211:45:002
71510rcu_preempt0-21swapper/211:02:502
71510rcu_preempt0-21swapper/211:02:502
71510rcu_preempt0-21swapper/211:02:502
71500rcu_preempt0-21swapper/210:08:012
71500rcu_preempt0-21swapper/210:08:012
71490rcu_preempt0-21swapper/309:24:543
71490rcu_preempt0-21swapper/309:24:543
71490rcu_preempt0-21swapper/011:47:590
71490rcu_preempt0-21swapper/011:47:590
71490rcu_preempt0-21swapper/011:47:590
71490rcu_preempt0-21swapper/010:48:290
71490rcu_preempt0-21swapper/010:48:290
71480rcu_preempt27026-21diskmemload12:37:472
71480rcu_preempt27026-21diskmemload12:37:472
71450rcu_preempt0-21swapper/207:46:382
71450rcu_preempt0-21swapper/207:46:382
71440rcu_preempt0-21swapper/210:05:292
71440rcu_preempt0-21swapper/210:05:292
71440rcu_preempt0-21swapper/210:05:292
71430rcu_preempt6058-21latency11:27:193
71430rcu_preempt6058-21latency11:27:193
71430rcu_preempt6058-21latency11:27:193
71430rcu_preempt0-21swapper/009:13:420
71430rcu_preempt0-21swapper/009:13:420
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
1599430migration/023640-21taskset11:00:560
1599430migration/023640-21taskset11:00:560
1599430migration/023640-21taskset11:00:560
71420rcu_preempt29114-1kworker/2:3H12:07:582
71420rcu_preempt29114-1kworker/2:3H12:07:582
71420rcu_preempt1958-21snmpd11:32:262
71420rcu_preempt1958-21snmpd11:32:262
71420rcu_preempt1958-21snmpd11:32:262
71420rcu_preempt0-21swapper/310:23:323
71420rcu_preempt0-21swapper/310:23:323
71420rcu_preempt0-21swapper/310:23:323
71420rcu_preempt0-21swapper/307:12:003
71420rcu_preempt0-21swapper/307:12:003
71420rcu_preempt0-21swapper/210:42:272
71420rcu_preempt0-21swapper/210:42:272
71420rcu_preempt0-21swapper/210:42:272
71420rcu_preempt0-21swapper/210:37:252
71420rcu_preempt0-21swapper/210:37:252
71420rcu_preempt0-21swapper/210:37:252
71420rcu_preempt0-21swapper/210:34:332
71420rcu_preempt0-21swapper/210:34:332
1599420migration/03391-21runrttasks07:46:210
1599420migration/03391-21runrttasks07:46:210
71400rcu_preempt27115-1kworker/2:1H09:35:102
71400rcu_preempt27115-1kworker/2:1H09:35:102
71400rcu_preempt0-21swapper/309:56:513
71400rcu_preempt0-21swapper/309:56:513
71400rcu_preempt0-21swapper/210:27:192
71400rcu_preempt0-21swapper/210:27:192
71400rcu_preempt0-21swapper/110:22:301
71400rcu_preempt0-21swapper/110:22:301
71400rcu_preempt0-21swapper/110:22:301
46050400irq/122-QManpo29657-2110:48:550
46050400irq/122-QManpo29657-2110:48:550
46050400irq/122-QManpo12625-2110:48:550
46050400irq/122-QManpo12625-2110:48:550
1599400migration/016170-21taskset09:49:380
1599400migration/016170-21taskset09:49:380
1599400migration/016170-21taskset09:49:380
71390rcu_preempt28874-21sh09:14:152
71390rcu_preempt28874-21sh09:14:152
46050390irq/122-QManpo5410-2110:48:550
46050390irq/122-QManpo5410-2110:48:550
46050390irq/122-QManpo24212-10
46050390irq/122-QManpo24212-10
46050390irq/122-QManpo24212-10
46050390irq/122-QManpo1959-2110:48:550
46050390irq/122-QManpo1959-2110:48:550
46050390irq/122-QManpo13705-2110:48:550
46050390irq/122-QManpo13705-2110:48:550
46050390irq/122-QManpo13705-2110:48:550
71380rcu_preempt0-21swapper/211:23:202
71380rcu_preempt0-21swapper/211:23:202
71380rcu_preempt0-21swapper/211:12:172
71380rcu_preempt0-21swapper/211:12:172
46050380irq/122-QManpo24568-2110:48:550
46050380irq/122-QManpo24568-2110:48:550
46050380irq/122-QManpo24568-2110:48:550
46050380irq/122-QManpo19684-2110:48:550
46050380irq/122-QManpo19684-2110:48:550
46050380irq/122-QManpo19243-2110:48:550
46050380irq/122-QManpo19243-2110:48:550
108042382sleep010821-21irqstats08:12:150
108042382sleep010821-21irqstats08:12:150
108042382sleep010821-21irqstats08:12:150
71370rcu_preempt27205-21sh12:04:492
71370rcu_preempt27205-21sh12:04:492
71370rcu_preempt27205-21sh12:04:492
71370rcu_preempt0-21swapper/212:27:132
71370rcu_preempt0-21swapper/212:27:132
71370rcu_preempt0-21swapper/212:27:132
71370rcu_preempt0-21swapper/210:55:392
71370rcu_preempt0-21swapper/210:55:392
71370rcu_preempt0-21swapper/209:17:492
71370rcu_preempt0-21swapper/209:17:492
71370rcu_preempt0-21swapper/209:17:492
46250370irq/120-QManpo0-2110:48:551
46250370irq/120-QManpo0-2110:48:551
46050370irq/122-QManpo667-2110:48:550
46050370irq/122-QManpo667-2110:48:550
46050370irq/122-QManpo667-2110:48:550
46050370irq/122-QManpo6066-2110:48:550
46050370irq/122-QManpo6066-2110:48:550
46050370irq/122-QManpo30135-10
46050370irq/122-QManpo30135-10
46050370irq/122-QManpo11100-2110:48:550
46050370irq/122-QManpo11100-2110:48:550
46050370irq/122-QManpo11100-2110:48:550
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
71360rcu_preempt2861-21sendmail-msp11:23:451
71360rcu_preempt2861-21sendmail-msp11:23:451
71360rcu_preempt24639-21/usr/sbin/munin09:02:141
71360rcu_preempt24639-21/usr/sbin/munin09:02:141
71360rcu_preempt0-21swapper/111:07:021
71360rcu_preempt0-21swapper/111:07:021
71360rcu_preempt0-21swapper/111:07:021
71360rcu_preempt0-21swapper/110:48:481
71360rcu_preempt0-21swapper/110:48:481
71360rcu_preempt0-21swapper/109:45:101
71360rcu_preempt0-21swapper/109:45:101
71360rcu_preempt0-21swapper/109:23:201
71360rcu_preempt0-21swapper/109:23:201
71360rcu_preempt0-21swapper/009:02:090
71360rcu_preempt0-21swapper/009:02:090
46050360irq/122-QManpo984-2110:48:550
46050360irq/122-QManpo984-2110:48:550
46050360irq/122-QManpo984-2110:48:550
46050360irq/122-QManpo8512-210
46050360irq/122-QManpo8512-210
46050360irq/122-QManpo5161-210
46050360irq/122-QManpo5161-210
46050360irq/122-QManpo3597-2110:48:550
46050360irq/122-QManpo3597-2110:48:550
46050360irq/122-QManpo27770-2110:48:550
46050360irq/122-QManpo27770-2110:48:550
46050360irq/122-QManpo27770-2110:48:550
46050360irq/122-QManpo25678-2110:48:550
46050360irq/122-QManpo25678-2110:48:550
46050360irq/122-QManpo14131-2110:48:550
46050360irq/122-QManpo14131-2110:48:550
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
71350rcu_preempt0-21swapper/211:54:152
71350rcu_preempt0-21swapper/211:54:152
71350rcu_preempt0-21swapper/209:24:102
71350rcu_preempt0-21swapper/209:24:102
71350rcu_preempt0-21swapper/112:03:551
71350rcu_preempt0-21swapper/112:03:551
71350rcu_preempt0-21swapper/112:03:551
71350rcu_preempt0-21swapper/111:56:321
71350rcu_preempt0-21swapper/111:56:321
71350rcu_preempt0-21swapper/111:42:021
71350rcu_preempt0-21swapper/111:42:021
71350rcu_preempt0-21swapper/110:42:441
71350rcu_preempt0-21swapper/110:42:441
71350rcu_preempt0-21swapper/110:42:441
71350rcu_preempt0-21swapper/110:00:131
71350rcu_preempt0-21swapper/110:00:131
71350rcu_preempt0-21swapper/110:00:131
71350rcu_preempt0-21swapper/009:23:080
71350rcu_preempt0-21swapper/009:23:080
46050350irq/122-QManpo9353-2110:48:550
46050350irq/122-QManpo9353-2110:48:550
46050350irq/122-QManpo9353-2110:48:550
46050350irq/122-QManpo375-2110:48:550
46050350irq/122-QManpo375-2110:48:550
46050350irq/122-QManpo375-2110:48:550
46050350irq/122-QManpo30135-10
46050350irq/122-QManpo28884-2110:48:550
46050350irq/122-QManpo28884-2110:48:550
46050350irq/122-QManpo22739-2110:48:550
46050350irq/122-QManpo22739-2110:48:550
46050350irq/122-QManpo22739-2110:48:550
46050350irq/122-QManpo19033-2110:48:550
46050350irq/122-QManpo19033-2110:48:550
46050350irq/122-QManpo16025-2110:48:550
46050350irq/122-QManpo16025-2110:48:550
46050350irq/122-QManpo16025-2110:48:550
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
71340rcu_preempt32041-21fgrep10:17:243
71340rcu_preempt32041-21fgrep10:17:243
71340rcu_preempt32041-21fgrep10:17:243
71340rcu_preempt27185-21runrttasks09:12:062
71340rcu_preempt0-21swapper/209:02:112
71340rcu_preempt0-21swapper/209:02:112
71340rcu_preempt0-21swapper/207:07:072
71340rcu_preempt0-21swapper/207:07:072
71340rcu_preempt0-21swapper/112:34:341
71340rcu_preempt0-21swapper/112:34:341
71340rcu_preempt0-21swapper/111:35:431
71340rcu_preempt0-21swapper/111:35:431
71340rcu_preempt0-21swapper/111:35:431
71340rcu_preempt0-21swapper/111:00:371
71340rcu_preempt0-21swapper/111:00:371
71340rcu_preempt0-21swapper/111:00:371
71340rcu_preempt0-21swapper/110:53:051
71340rcu_preempt0-21swapper/110:53:051
71340rcu_preempt0-21swapper/110:32:511
71340rcu_preempt0-21swapper/110:32:511
71340rcu_preempt0-21swapper/110:30:531
71340rcu_preempt0-21swapper/110:30:531
71340rcu_preempt0-21swapper/110:20:121
71340rcu_preempt0-21swapper/110:20:121
71340rcu_preempt0-21swapper/110:20:121
71340rcu_preempt0-21swapper/107:18:071
71340rcu_preempt0-21swapper/107:18:071
71340rcu_preempt0-21swapper/107:18:071
46050340irq/122-QManpo1692-2110:48:550
46050340irq/122-QManpo1692-2110:48:550
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
71330rcu_preempt24889-1kworker/3:3H10:12:103
71330rcu_preempt24889-1kworker/3:3H10:12:103
71330rcu_preempt0-21swapper/309:33:073
71330rcu_preempt0-21swapper/309:33:073
71330rcu_preempt0-21swapper/111:48:381
71330rcu_preempt0-21swapper/111:48:381
71330rcu_preempt0-21swapper/111:48:381
71330rcu_preempt0-21swapper/109:56:251
71330rcu_preempt0-21swapper/109:56:251
71330rcu_preempt0-21swapper/109:32:261
71330rcu_preempt0-21swapper/109:32:261
71330rcu_preempt0-21swapper/108:42:491
71330rcu_preempt0-21swapper/108:42:491
71330rcu_preempt0-21swapper/108:03:261
71330rcu_preempt0-21swapper/108:03:261
46050330irq/122-QManpo7292-2110:48:550
46050330irq/122-QManpo7292-2110:48:550
46050330irq/122-QManpo27490-2110:48:550
46050330irq/122-QManpo27490-2110:48:550
46050330irq/122-QManpo12541-2110:48:550
46050330irq/122-QManpo12541-2110:48:550
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
314002330chrt30135-1kworker/0:2H07:28:540
314002330chrt30135-1kworker/0:2H07:28:540
26192993324cyclictest11333-21apt-get11:37:082
26192993324cyclictest11333-21apt-get11:37:082
169932330sleep014307-1kworker/0:3H08:33:040
169932330sleep014307-1kworker/0:3H08:33:040
1599330migration/015048-21taskset08:27:170
1599330migration/015048-21taskset08:27:170
71320rcu_preempt598-1kworker/1:1H07:37:211
71320rcu_preempt598-1kworker/1:1H07:37:211
71320rcu_preempt4482-21sh09:28:131
71320rcu_preempt4482-21sh09:28:131
71320rcu_preempt11853-21ssh10:39:231
71320rcu_preempt11853-21ssh10:39:231
71320rcu_preempt11853-21ssh10:39:231
71320rcu_preempt0-21swapper/209:52:132
71320rcu_preempt0-21swapper/209:52:132
71320rcu_preempt0-21swapper/209:27:092
71320rcu_preempt0-21swapper/209:27:092
71320rcu_preempt0-21swapper/209:07:232
71320rcu_preempt0-21swapper/208:32:122
71320rcu_preempt0-21swapper/208:32:122
71320rcu_preempt0-21swapper/207:22:222
71320rcu_preempt0-21swapper/207:22:222
71320rcu_preempt0-21swapper/112:38:381
71320rcu_preempt0-21swapper/112:38:381
71320rcu_preempt0-21swapper/112:20:501
71320rcu_preempt0-21swapper/112:20:501
71320rcu_preempt0-21swapper/111:17:401
71320rcu_preempt0-21swapper/111:17:401
71320rcu_preempt0-21swapper/111:17:401
71320rcu_preempt0-21swapper/111:08:351
71320rcu_preempt0-21swapper/111:08:351
71320rcu_preempt0-21swapper/110:16:011
71320rcu_preempt0-21swapper/110:16:011
71320rcu_preempt0-21swapper/109:40:561
71320rcu_preempt0-21swapper/109:40:561
71320rcu_preempt0-21swapper/109:40:561
71320rcu_preempt0-21swapper/109:20:031
71320rcu_preempt0-21swapper/109:20:031
71320rcu_preempt0-21swapper/109:20:031
71320rcu_preempt0-21swapper/108:26:391
71320rcu_preempt0-21swapper/108:26:391
71320rcu_preempt0-21swapper/108:26:391
71320rcu_preempt0-21swapper/108:07:041
71320rcu_preempt0-21swapper/108:07:041
71320rcu_preempt0-21swapper/107:42:561
71320rcu_preempt0-21swapper/107:42:561
46650320irq/116-QManpo587-2110:48:553
46650320irq/116-QManpo587-2110:48:553
46450320irq/118-QManpo21334-212
46450320irq/118-QManpo21334-212
46450320irq/118-QManpo21334-212
46050320irq/122-QManpo0-210
46050320irq/122-QManpo0-210
46050320irq/122-QManpo0-210
46050320irq/122-QManpo0-210
46050320irq/122-QManpo0-210
46050320irq/122-QManpo0-210
46050320irq/122-QManpo0-210
46050320irq/122-QManpo0-210
46050320irq/122-QManpo0-210
2899320migration/324257-21latency_hist09:01:573
2899320migration/324257-21latency_hist09:01:573
2899320migration/324257-21latency_hist09:01:573
71310rcu_preempt0-21swapper/311:47:233
71310rcu_preempt0-21swapper/311:47:233
71310rcu_preempt0-21swapper/311:47:233
71310rcu_preempt0-21swapper/311:12:003
71310rcu_preempt0-21swapper/311:12:003
71310rcu_preempt0-21swapper/211:07:302
71310rcu_preempt0-21swapper/211:07:302
71310rcu_preempt0-21swapper/112:22:271
71310rcu_preempt0-21swapper/112:22:271
71310rcu_preempt0-21swapper/112:22:271
71310rcu_preempt0-21swapper/112:13:121
71310rcu_preempt0-21swapper/112:13:121
71310rcu_preempt0-21swapper/112:09:121
71310rcu_preempt0-21swapper/112:09:121
71310rcu_preempt0-21swapper/111:57:571
71310rcu_preempt0-21swapper/111:57:571
71310rcu_preempt0-21swapper/111:44:351
71310rcu_preempt0-21swapper/111:44:351
71310rcu_preempt0-21swapper/111:44:351
71310rcu_preempt0-21swapper/111:28:381
71310rcu_preempt0-21swapper/111:28:381
71310rcu_preempt0-21swapper/111:28:381
71310rcu_preempt0-21swapper/111:12:341
71310rcu_preempt0-21swapper/111:12:341
71310rcu_preempt0-21swapper/110:05:261
71310rcu_preempt0-21swapper/110:05:261
71310rcu_preempt0-21swapper/110:05:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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