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2026-01-05 - 14:50
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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 Mon Jan 05, 2026 12:43:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71690rcu_preempt0-21swapper/211:24:522
71690rcu_preempt0-21swapper/211:24:522
71690rcu_preempt0-21swapper/211:24:522
71620rcu_preempt0-21swapper/212:04:592
71620rcu_preempt0-21swapper/212:04:592
71580rcu_preempt0-21swapper/309:44:313
71580rcu_preempt0-21swapper/309:44:313
1192199542cyclictest30497-21df09:40:400
1192199542cyclictest30497-21df09:40:400
1192199535cyclictest17828-21ssh10:15:290
1192199535cyclictest17828-21ssh10:15:290
1192199535cyclictest17828-21ssh10:15:290
1192199532cyclictest21727-21aten_r4power_cu09:25:400
1192199532cyclictest21727-21aten_r4power_cu09:25:400
1192199532cyclictest21727-21aten_r4power_cu09:25:400
1192199524cyclictest0-21swapper/011:33:040
1192199524cyclictest0-21swapper/011:33:040
1192199523cyclictest5188-21irqstats11:45:480
1192199523cyclictest5188-21irqstats11:45:480
1192199523cyclictest0-21swapper/009:33:570
1192199523cyclictest0-21swapper/009:33:570
1192199522cyclictest19787-21ntp_states12:10:570
1192199522cyclictest19787-21ntp_states12:10:570
1192199522cyclictest13744-21diskstats12:00:450
1192199522cyclictest13744-21diskstats12:00:450
1192199517cyclictest22756-21sendmail-msp11:20:420
1192199517cyclictest22756-21sendmail-msp11:20:420
1192199517cyclictest22756-21sendmail-msp11:20:420
1192199514cyclictest0-21swapper/009:46:230
1192199514cyclictest0-21swapper/009:46:230
1192199514cyclictest0-21swapper/009:46:230
1192199513cyclictest31959-21meminfo11:35:510
1192199513cyclictest31959-21meminfo11:35:510
1192199513cyclictest31959-21meminfo11:35:510
1192199513cyclictest0-21swapper/012:30:420
1192199513cyclictest0-21swapper/012:30:420
1192199513cyclictest0-21swapper/011:27:080
1192199513cyclictest0-21swapper/011:27:080
1192199513cyclictest0-21swapper/011:27:080
1192199513cyclictest0-21swapper/011:10:500
1192199513cyclictest0-21swapper/011:10:500
1192199513cyclictest0-21swapper/009:35:390
1192199513cyclictest0-21swapper/009:35:390
1192199513cyclictest0-21swapper/009:10:420
1192199513cyclictest0-21swapper/009:10:420
1192199513cyclictest0-21swapper/009:10:420
1192199513cyclictest0-21swapper/008:25:550
1192199513cyclictest0-21swapper/008:25:550
1192199512cyclictest19880-1kworker/0:1H07:45:560
1192199512cyclictest19880-1kworker/0:1H07:45:560
11921995117cyclictest0-21swapper/010:35:100
11921995117cyclictest0-21swapper/010:35:100
71500rcu_preempt0-21swapper/309:57:193
71500rcu_preempt0-21swapper/309:57:193
71500rcu_preempt0-21swapper/309:57:193
1192199504cyclictest0-21swapper/009:17:330
1192199504cyclictest0-21swapper/009:17:330
1192199503cyclictest0-21swapper/008:40:500
1192199503cyclictest0-21swapper/008:40:500
1192199503cyclictest0-21swapper/008:40:500
1192199503cyclictest0-21swapper/007:30:290
1192199503cyclictest0-21swapper/007:30:290
1192199502cyclictest30593-21ntp_states08:15:580
1192199502cyclictest30593-21ntp_states08:15:580
1192199502cyclictest0-21swapper/010:39:140
1192199502cyclictest0-21swapper/010:39:140
1192199502cyclictest0-21swapper/010:39:140
11921995017cyclictest19298-21cut09:20:500
11921995017cyclictest19298-21cut09:20:500
11921995016cyclictest28233-21meminfo12:25:490
11921995016cyclictest28233-21meminfo12:25:490
71490rcu_preempt0-21swapper/310:17:463
71490rcu_preempt0-21swapper/310:17:463
1192199493cyclictest0-21swapper/010:55:430
1192199493cyclictest0-21swapper/010:55:430
1192199493cyclictest0-21swapper/010:22:210
1192199493cyclictest0-21swapper/010:22:210
1192199493cyclictest0-21swapper/010:10:340
1192199493cyclictest0-21swapper/010:10:340
1192199493cyclictest0-21swapper/010:00:530
1192199493cyclictest0-21swapper/010:00:530
1192199493cyclictest0-21swapper/008:05:430
1192199493cyclictest0-21swapper/008:05:430
1192199493cyclictest0-21swapper/008:05:430
11921994913cyclictest32633-21diskstats10:40:460
11921994913cyclictest32633-21diskstats10:40:460
1192199483cyclictest0-21swapper/010:55:100
1192199483cyclictest0-21swapper/010:55:100
11921994817cyclictest0-21swapper/011:51:060
11921994817cyclictest0-21swapper/011:51:060
11921994817cyclictest0-21swapper/011:51:060
11921994814cyclictest0-21swapper/012:20:430
11921994814cyclictest0-21swapper/012:20:430
71470rcu_preempt0-21swapper/008:10:380
71470rcu_preempt0-21swapper/008:10:380
1192199473cyclictest0-21swapper/011:43:010
1192199473cyclictest0-21swapper/011:43:010
1192199473cyclictest0-21swapper/011:04:080
1192199473cyclictest0-21swapper/011:04:080
1192199473cyclictest0-21swapper/009:55:550
1192199473cyclictest0-21swapper/009:55:550
1192199473cyclictest0-21swapper/009:55:550
1192199473cyclictest0-21swapper/007:15:560
1192199473cyclictest0-21swapper/007:15:560
1192199473cyclictest0-21swapper/007:15:560
1192199472cyclictest0-21swapper/007:35:550
1192199472cyclictest0-21swapper/007:35:550
1192199472cyclictest0-21swapper/007:35:550
11921994717cyclictest0-21swapper/012:15:480
11921994717cyclictest0-21swapper/012:15:480
11921994717cyclictest0-21swapper/012:15:480
71460rcu_preempt0-21swapper/112:10:391
71460rcu_preempt0-21swapper/112:10:391
1192199463cyclictest0-21swapper/008:00:290
1192199463cyclictest0-21swapper/008:00:290
1192199462cyclictest0-21swapper/010:16:550
1192199462cyclictest0-21swapper/010:16:550
1192199453cyclictest0-21swapper/011:55:400
1192199453cyclictest0-21swapper/011:55:400
1192199453cyclictest0-21swapper/011:55:400
71440rcu_preempt4499-21apt-get08:40:532
71440rcu_preempt4499-21apt-get08:40:532
71440rcu_preempt4499-21apt-get08:40:532
71430rcu_preempt0-21swapper/109:50:411
71430rcu_preempt0-21swapper/109:50:411
71420rcu_preempt0-21swapper/111:30:321
71420rcu_preempt0-21swapper/111:30:321
71420rcu_preempt0-21swapper/111:30:321
1192199424cyclictest0-21swapper/011:20:000
1192199424cyclictest0-21swapper/011:20:000
1192199424cyclictest0-21swapper/011:20:000
71410rcu_preempt1699migration/111:37:211
71410rcu_preempt1699migration/111:37:211
71410rcu_preempt1699migration/111:37:211
71410rcu_preempt0-21swapper/208:10:562
71410rcu_preempt0-21swapper/208:10:562
71400rcu_preempt10064-21apt-get09:00:481
71400rcu_preempt10064-21apt-get09:00:481
71400rcu_preempt10064-21apt-get09:00:481
71400rcu_preempt0-21swapper/112:00:541
71400rcu_preempt0-21swapper/112:00:541
71390rcu_preempt0-21swapper/308:45:433
71390rcu_preempt0-21swapper/308:45:433
71390rcu_preempt0-21swapper/110:54:031
71390rcu_preempt0-21swapper/110:54:031
71390rcu_preempt0-21swapper/109:28:591
71390rcu_preempt0-21swapper/109:28:591
71390rcu_preempt0-21swapper/109:28:591
117542390sleep07898-1kworker/0:1H07:08:570
117542390sleep07898-1kworker/0:1H07:08:570
71380rcu_preempt0-21swapper/309:00:323
71380rcu_preempt0-21swapper/309:00:323
71380rcu_preempt0-21swapper/309:00:323
71380rcu_preempt0-21swapper/210:07:372
71380rcu_preempt0-21swapper/210:07:372
71380rcu_preempt0-21swapper/209:00:402
71380rcu_preempt0-21swapper/209:00:402
71380rcu_preempt0-21swapper/209:00:402
71380rcu_preempt0-21swapper/112:21:301
71380rcu_preempt0-21swapper/112:21:301
71380rcu_preempt0-21swapper/110:02:211
71380rcu_preempt0-21swapper/110:02:211
71380rcu_preempt0-21swapper/108:35:541
71380rcu_preempt0-21swapper/108:35:541
71380rcu_preempt0-21swapper/108:35:541
71380rcu_preempt0-21swapper/108:35:541
71370rcu_preempt0-21swapper/210:40:412
71370rcu_preempt0-21swapper/210:40:412
71370rcu_preempt0-21swapper/210:23:562
71370rcu_preempt0-21swapper/210:23:562
71370rcu_preempt0-21swapper/209:21:182
71370rcu_preempt0-21swapper/209:21:182
71370rcu_preempt0-21swapper/111:57:421
71370rcu_preempt0-21swapper/111:57:421
71370rcu_preempt0-21swapper/111:57:421
71370rcu_preempt0-21swapper/111:17:161
71370rcu_preempt0-21swapper/111:17:161
71370rcu_preempt0-21swapper/111:17:161
71370rcu_preempt0-21swapper/111:08:591
71370rcu_preempt0-21swapper/111:08:591
71370rcu_preempt0-21swapper/110:47:161
71370rcu_preempt0-21swapper/110:47:161
71370rcu_preempt0-21swapper/110:07:491
71370rcu_preempt0-21swapper/110:07:491
71370rcu_preempt0-21swapper/007:12:400
71370rcu_preempt0-21swapper/007:12:400
46450370irq/118-QManpo0-2110:48:552
46450370irq/118-QManpo0-2110:48:552
11921993711cyclictest0-21swapper/010:47:050
11921993711cyclictest0-21swapper/010:47:050
71360rcu_preempt28532-21apt-get08:10:461
71360rcu_preempt28532-21apt-get08:10:461
71360rcu_preempt0-21swapper/211:45:082
71360rcu_preempt0-21swapper/211:45:082
71360rcu_preempt0-21swapper/209:29:572
71360rcu_preempt0-21swapper/209:29:572
71360rcu_preempt0-21swapper/209:29:572
71360rcu_preempt0-21swapper/111:45:431
71360rcu_preempt0-21swapper/111:45:431
71360rcu_preempt0-21swapper/111:01:461
71360rcu_preempt0-21swapper/111:01:461
71360rcu_preempt0-21swapper/110:21:451
71360rcu_preempt0-21swapper/110:21:451
71360rcu_preempt0-21swapper/012:35:570
71360rcu_preempt0-21swapper/012:35:570
71360rcu_preempt0-21swapper/012:35:570
71360rcu_preempt0-21swapper/010:27:420
71360rcu_preempt0-21swapper/010:27:420
71360rcu_preempt0-21swapper/009:03:420
71360rcu_preempt0-21swapper/009:03:420
71360rcu_preempt0-21swapper/009:03:420
1192199363cyclictest0-21swapper/011:08:210
1192199363cyclictest0-21swapper/011:08:210
71350rcu_preempt32118-1sh12:32:151
71350rcu_preempt32118-1sh12:32:151
71350rcu_preempt28737-1sh09:36:501
71350rcu_preempt28737-1sh09:36:501
71350rcu_preempt27030-21ssh11:26:442
71350rcu_preempt27030-21ssh11:26:442
71350rcu_preempt27030-21ssh11:26:442
71350rcu_preempt26589-21/usr/sbin/munin08:00:570
71350rcu_preempt26589-21/usr/sbin/munin08:00:570
71350rcu_preempt1959-21runrttasks09:42:522
71350rcu_preempt1959-21runrttasks09:42:522
71350rcu_preempt18352-21irqstats10:15:501
71350rcu_preempt18352-21irqstats10:15:501
71350rcu_preempt15142-21apt-get10:10:421
71350rcu_preempt15142-21apt-get10:10:421
71350rcu_preempt15142-21apt-get10:10:421
71350rcu_preempt0-21swapper/212:14:192
71350rcu_preempt0-21swapper/212:14:192
71350rcu_preempt0-21swapper/211:16:032
71350rcu_preempt0-21swapper/211:16:032
71350rcu_preempt0-21swapper/211:16:032
71350rcu_preempt0-21swapper/209:57:132
71350rcu_preempt0-21swapper/209:57:132
71350rcu_preempt0-21swapper/209:57:132
71350rcu_preempt0-21swapper/209:06:042
71350rcu_preempt0-21swapper/209:06:042
71350rcu_preempt0-21swapper/208:20:282
71350rcu_preempt0-21swapper/208:20:282
71350rcu_preempt0-21swapper/112:35:541
71350rcu_preempt0-21swapper/112:35:541
71350rcu_preempt0-21swapper/112:35:541
71350rcu_preempt0-21swapper/112:28:481
71350rcu_preempt0-21swapper/112:28:481
71350rcu_preempt0-21swapper/111:43:221
71350rcu_preempt0-21swapper/111:43:221
71350rcu_preempt0-21swapper/111:32:281
71350rcu_preempt0-21swapper/111:32:281
71350rcu_preempt0-21swapper/110:41:191
71350rcu_preempt0-21swapper/110:41:191
71350rcu_preempt0-21swapper/109:17:271
71350rcu_preempt0-21swapper/109:17:271
71350rcu_preempt0-21swapper/109:11:411
71350rcu_preempt0-21swapper/109:11:411
71350rcu_preempt0-21swapper/109:11:411
71350rcu_preempt0-21swapper/108:25:001
71350rcu_preempt0-21swapper/108:25:001
71350rcu_preempt0-21swapper/108:09:581
71350rcu_preempt0-21swapper/108:09:581
71350rcu_preempt0-21swapper/108:09:581
71350rcu_preempt0-21swapper/107:54:481
71350rcu_preempt0-21swapper/107:54:481
71350rcu_preempt0-21swapper/009:54:220
71350rcu_preempt0-21swapper/009:54:220
71350rcu_preempt0-21swapper/009:09:530
71350rcu_preempt0-21swapper/009:09:530
71350rcu_preempt0-21swapper/008:57:410
71350rcu_preempt0-21swapper/008:57:410
71350rcu_preempt0-21swapper/008:57:410
71350rcu_preempt0-21swapper/008:45:340
71350rcu_preempt0-21swapper/008:45:340
46450350irq/118-QManpo24777-2110:48:552
46450350irq/118-QManpo24777-2110:48:552
71340rcu_preempt6553-21ntp_states08:45:582
71340rcu_preempt6553-21ntp_states08:45:582
71340rcu_preempt4499-21apt-get08:40:571
71340rcu_preempt4499-21apt-get08:40:571
71340rcu_preempt4499-21apt-get08:40:571
71340rcu_preempt29785-21if_eth310:35:472
71340rcu_preempt29785-21if_eth310:35:472
71340rcu_preempt29785-21if_eth310:35:472
71340rcu_preempt24419-21copy09:30:381
71340rcu_preempt24419-21copy09:30:381
71340rcu_preempt0-21swapper/212:35:532
71340rcu_preempt0-21swapper/212:35:532
71340rcu_preempt0-21swapper/212:35:532
71340rcu_preempt0-21swapper/212:16:042
71340rcu_preempt0-21swapper/212:16:042
71340rcu_preempt0-21swapper/212:16:042
71340rcu_preempt0-21swapper/211:35:402
71340rcu_preempt0-21swapper/211:35:402
71340rcu_preempt0-21swapper/211:35:402
71340rcu_preempt0-21swapper/211:33:042
71340rcu_preempt0-21swapper/211:33:042
71340rcu_preempt0-21swapper/210:10:362
71340rcu_preempt0-21swapper/210:10:362
71340rcu_preempt0-21swapper/210:10:362
71340rcu_preempt0-21swapper/209:39:423
71340rcu_preempt0-21swapper/209:39:422
71340rcu_preempt0-21swapper/208:07:492
71340rcu_preempt0-21swapper/208:07:492
71340rcu_preempt0-21swapper/208:07:492
71340rcu_preempt0-21swapper/112:16:101
71340rcu_preempt0-21swapper/112:16:101
71340rcu_preempt0-21swapper/112:16:101
71340rcu_preempt0-21swapper/111:23:511
71340rcu_preempt0-21swapper/111:23:511
71340rcu_preempt0-21swapper/111:23:511
71340rcu_preempt0-21swapper/111:13:161
71340rcu_preempt0-21swapper/111:13:161
71340rcu_preempt0-21swapper/110:56:521
71340rcu_preempt0-21swapper/110:56:521
71340rcu_preempt0-21swapper/109:40:581
71340rcu_preempt0-21swapper/109:40:581
71340rcu_preempt0-21swapper/108:50:531
71340rcu_preempt0-21swapper/108:50:531
71340rcu_preempt0-21swapper/108:30:511
71340rcu_preempt0-21swapper/108:30:511
71340rcu_preempt0-21swapper/108:02:531
71340rcu_preempt0-21swapper/108:02:531
71340rcu_preempt0-21swapper/007:20:540
71340rcu_preempt0-21swapper/007:20:540
46250340irq/120-QManpo0-2110:48:551
46250340irq/120-QManpo0-2110:48:551
71330rcu_preempt9293-21ssh11:52:351
71330rcu_preempt9293-21ssh11:52:351
71330rcu_preempt9293-21ssh11:52:351
71330rcu_preempt8489-21taskset08:53:260
71330rcu_preempt8489-21taskset08:53:260
71330rcu_preempt32420-21grep11:35:583
71330rcu_preempt32420-21grep11:35:583
71330rcu_preempt32420-21grep11:35:583
71330rcu_preempt24219-21taskset07:53:480
71330rcu_preempt24219-21taskset07:53:480
71330rcu_preempt2299migration/209:52:542
71330rcu_preempt2299migration/209:52:542
71330rcu_preempt17606-1ssh12:06:480
71330rcu_preempt17606-1ssh12:06:480
71330rcu_preempt0-21swapper/308:45:283
71330rcu_preempt0-21swapper/308:45:283
71330rcu_preempt0-21swapper/308:45:283
71330rcu_preempt0-21swapper/211:45:482
71330rcu_preempt0-21swapper/211:45:482
71330rcu_preempt0-21swapper/211:12:122
71330rcu_preempt0-21swapper/211:12:122
71330rcu_preempt0-21swapper/211:07:432
71330rcu_preempt0-21swapper/211:07:432
71330rcu_preempt0-21swapper/211:00:482
71330rcu_preempt0-21swapper/211:00:482
71330rcu_preempt0-21swapper/210:00:492
71330rcu_preempt0-21swapper/210:00:492
71330rcu_preempt0-21swapper/209:18:162
71330rcu_preempt0-21swapper/209:18:162
71330rcu_preempt0-21swapper/209:11:122
71330rcu_preempt0-21swapper/209:11:122
71330rcu_preempt0-21swapper/209:11:122
71330rcu_preempt0-21swapper/207:10:462
71330rcu_preempt0-21swapper/207:10:462
71330rcu_preempt0-21swapper/110:36:141
71330rcu_preempt0-21swapper/110:36:141
71330rcu_preempt0-21swapper/110:36:141
71330rcu_preempt0-21swapper/110:32:451
71330rcu_preempt0-21swapper/110:32:451
71330rcu_preempt0-21swapper/110:29:321
71330rcu_preempt0-21swapper/110:29:321
71330rcu_preempt0-21swapper/109:47:281
71330rcu_preempt0-21swapper/109:47:281
71330rcu_preempt0-21swapper/109:47:281
71330rcu_preempt0-21swapper/109:22:281
71330rcu_preempt0-21swapper/109:22:281
71330rcu_preempt0-21swapper/109:09:131
71330rcu_preempt0-21swapper/109:09:131
71330rcu_preempt0-21swapper/108:57:531
71330rcu_preempt0-21swapper/108:57:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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