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2026-03-16 - 06:02
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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 Mar 16, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
194112550sleep046050irq/122-QMan10:48:550
194112550sleep046050irq/122-QMan10:48:550
194112550sleep046050irq/122-QMan10:48:550
71470rcu_preempt2043-1kworker/1:1H22:02:061
71470rcu_preempt2043-1kworker/1:1H22:02:061
71470rcu_preempt2043-1kworker/1:1H22:02:061
71470rcu_preempt0-21swapper/200:31:312
71470rcu_preempt0-21swapper/200:31:312
71470rcu_preempt0-21swapper/200:31:312
71470rcu_preempt0-21swapper/122:14:511
71470rcu_preempt0-21swapper/122:14:511
71470rcu_preempt0-21swapper/122:14:511
71450rcu_preempt0-21swapper/222:01:562
71450rcu_preempt0-21swapper/222:01:562
71450rcu_preempt0-21swapper/222:01:562
71450rcu_preempt0-21swapper/000:33:080
71450rcu_preempt0-21swapper/000:33:080
71450rcu_preempt0-21swapper/000:33:080
46050440irq/122-QManpo10684-2110:48:550
46050440irq/122-QManpo10684-2110:48:550
46050440irq/122-QManpo10684-2110:48:550
71430rcu_preempt0-21swapper/123:44:391
71430rcu_preempt0-21swapper/123:44:391
71430rcu_preempt0-21swapper/123:44:391
71430rcu_preempt0-21swapper/022:01:500
71430rcu_preempt0-21swapper/022:01:500
71430rcu_preempt0-21swapper/022:01:500
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
71420rcu_preempt723-21taskset21:46:272
71420rcu_preempt723-21taskset21:46:272
100650420irq/38-i2c-mpc171rcuc/121:39:531
100650420irq/38-i2c-mpc171rcuc/121:39:531
100650420irq/38-i2c-mpc171rcuc/121:39:531
71410rcu_preempt0-21swapper/223:24:422
71410rcu_preempt0-21swapper/223:24:422
71410rcu_preempt0-21swapper/123:16:071
71410rcu_preempt0-21swapper/123:16:071
71410rcu_preempt0-21swapper/100:36:371
71410rcu_preempt0-21swapper/100:36:371
71410rcu_preempt0-21swapper/100:36:371
71410rcu_preempt0-21swapper/100:15:161
71410rcu_preempt0-21swapper/100:15:161
12675994117cyclictest9486-21munin-run22:01:461
12675994117cyclictest9486-21munin-run22:01:461
12675994117cyclictest9486-21munin-run22:01:461
71400rcu_preempt0-21swapper/300:00:313
71400rcu_preempt0-21swapper/300:00:313
71400rcu_preempt0-21swapper/300:00:313
71400rcu_preempt0-21swapper/123:26:041
71400rcu_preempt0-21swapper/123:26:041
71400rcu_preempt0-21swapper/022:31:100
71400rcu_preempt0-21swapper/022:31:100
12675994010cyclictest0-21swapper/123:52:301
12675994010cyclictest0-21swapper/123:52:301
71390rcu_preempt0-21swapper/122:17:501
71390rcu_preempt0-21swapper/122:17:501
71390rcu_preempt0-21swapper/122:17:501
71390rcu_preempt0-21swapper/121:27:371
71390rcu_preempt0-21swapper/121:27:371
71390rcu_preempt0-21swapper/100:29:071
71390rcu_preempt0-21swapper/100:29:071
71390rcu_preempt0-21swapper/100:29:071
71390rcu_preempt0-21swapper/023:56:160
71390rcu_preempt0-21swapper/023:56:160
71390rcu_preempt0-21swapper/019:14:160
71390rcu_preempt0-21swapper/019:14:160
46250390irq/120-QManpo12595-2110:48:551
46250390irq/120-QManpo12595-2110:48:551
12675993917cyclictest25110-21df23:26:591
12675993917cyclictest25110-21df23:26:591
71380rcu_preempt20668-1kworker/1:1H21:24:351
71380rcu_preempt20668-1kworker/1:1H21:24:351
71380rcu_preempt20668-1kworker/1:1H21:24:351
71380rcu_preempt19740-21ssh23:17:062
71380rcu_preempt19740-21ssh23:17:062
71380rcu_preempt19740-21ssh23:17:062
71380rcu_preempt13503-1kworker/1:4H00:07:141
71380rcu_preempt13503-1kworker/1:4H00:07:141
71380rcu_preempt0-21swapper/319:11:153
71380rcu_preempt0-21swapper/319:11:153
71380rcu_preempt0-21swapper/223:02:002
71380rcu_preempt0-21swapper/223:02:002
71380rcu_preempt0-21swapper/223:02:002
71380rcu_preempt0-21swapper/120:36:551
71380rcu_preempt0-21swapper/120:36:551
71380rcu_preempt0-21swapper/020:46:570
71380rcu_preempt0-21swapper/020:46:570
71380rcu_preempt0-21swapper/020:46:570
71380rcu_preempt0-21swapper/020:41:560
71380rcu_preempt0-21swapper/020:41:560
46050380irq/122-QManpo5854-2110:48:550
46050380irq/122-QManpo5854-2110:48:550
46050380irq/122-QManpo3809-2110:48:550
46050380irq/122-QManpo3809-2110:48:550
46050380irq/122-QManpo3809-2110:48:550
46050380irq/122-QManpo26631-2110:48:550
46050380irq/122-QManpo26631-2110:48:550
46050380irq/122-QManpo26631-2110:48:550
12675993814cyclictest0-21swapper/119:22:041
12675993814cyclictest0-21swapper/119:22:041
100650380irq/38-i2c-mpc0-21swapper/022:10:000
100650380irq/38-i2c-mpc0-21swapper/022:10:000
100650380irq/38-i2c-mpc0-21swapper/022:10:000
71370rcu_preempt32342-21irqstats00:37:060
71370rcu_preempt32342-21irqstats00:37:060
71370rcu_preempt32342-21irqstats00:37:060
71370rcu_preempt24016-21kworker/1:000:17:331
71370rcu_preempt24016-21kworker/1:000:17:331
71370rcu_preempt24016-21kworker/1:000:17:331
71370rcu_preempt23461-21sendmail-msp00:22:301
71370rcu_preempt23461-21sendmail-msp00:22:301
71370rcu_preempt23461-21sendmail-msp00:22:301
71370rcu_preempt21850-1kworker/1:2H21:47:491
71370rcu_preempt21850-1kworker/1:2H21:47:491
71370rcu_preempt17201-21/usr/sbin/munin19:27:042
71370rcu_preempt17201-21/usr/sbin/munin19:27:042
71370rcu_preempt0-21swapper/220:36:552
71370rcu_preempt0-21swapper/220:36:552
71370rcu_preempt0-21swapper/200:21:122
71370rcu_preempt0-21swapper/200:21:122
71370rcu_preempt0-21swapper/200:21:122
71370rcu_preempt0-21swapper/123:58:291
71370rcu_preempt0-21swapper/123:58:291
71370rcu_preempt0-21swapper/123:58:291
71370rcu_preempt0-21swapper/123:32:231
71370rcu_preempt0-21swapper/123:32:231
71370rcu_preempt0-21swapper/122:43:131
71370rcu_preempt0-21swapper/122:43:131
71370rcu_preempt0-21swapper/121:46:211
71370rcu_preempt0-21swapper/121:46:211
71370rcu_preempt0-21swapper/120:50:241
71370rcu_preempt0-21swapper/120:50:241
71370rcu_preempt0-21swapper/120:50:241
71370rcu_preempt0-21swapper/119:11:571
71370rcu_preempt0-21swapper/119:11:571
71370rcu_preempt0-21swapper/100:38:041
71370rcu_preempt0-21swapper/100:38:041
71370rcu_preempt0-21swapper/100:38:041
71370rcu_preempt0-21swapper/021:27:570
71370rcu_preempt0-21swapper/021:27:570
46050370irq/122-QManpo8365-2110:48:550
46050370irq/122-QManpo8365-2110:48:550
46050370irq/122-QManpo26466-2110:48:550
46050370irq/122-QManpo26466-2110:48:550
46050370irq/122-QManpo23461-2110:48:550
46050370irq/122-QManpo23461-2110:48:550
46050370irq/122-QManpo23461-2110:48:550
12675993716cyclictest26987-21/usr/sbin/munin22:32:091
12675993716cyclictest26987-21/usr/sbin/munin22:32:091
12675993716cyclictest26987-21/usr/sbin/munin22:32:091
12675993716cyclictest19866-21meminfo23:17:081
12675993716cyclictest19866-21meminfo23:17:081
12675993716cyclictest19866-21meminfo23:17:081
12675993716cyclictest11374-21/usr/sbin/munin21:02:061
12675993716cyclictest11374-21/usr/sbin/munin21:02:061
12675993712cyclictest0-21swapper/122:07:011
12675993712cyclictest0-21swapper/122:07:011
12675993712cyclictest0-21swapper/122:07:011
71360rcu_preempt5542-21df_abs20:42:011
71360rcu_preempt5542-21df_abs20:42:011
71360rcu_preempt5274-21date22:51:521
71360rcu_preempt5274-21date22:51:521
71360rcu_preempt1306-21rm00:39:142
71360rcu_preempt1306-21rm00:39:142
71360rcu_preempt1306-21rm00:39:142
71360rcu_preempt10845-1kworker/1:0H19:20:211
71360rcu_preempt10845-1kworker/1:0H19:20:211
71360rcu_preempt10845-1kworker/1:0H19:20:211
71360rcu_preempt0-21swapper/223:43:542
71360rcu_preempt0-21swapper/223:43:542
71360rcu_preempt0-21swapper/223:43:542
71360rcu_preempt0-21swapper/222:53:382
71360rcu_preempt0-21swapper/222:53:382
71360rcu_preempt0-21swapper/220:43:042
71360rcu_preempt0-21swapper/220:43:042
71360rcu_preempt0-21swapper/200:04:562
71360rcu_preempt0-21swapper/200:04:562
71360rcu_preempt0-21swapper/200:04:562
71360rcu_preempt0-21swapper/122:41:521
71360rcu_preempt0-21swapper/122:41:521
71360rcu_preempt0-21swapper/121:14:011
71360rcu_preempt0-21swapper/121:14:011
71360rcu_preempt0-21swapper/023:27:130
71360rcu_preempt0-21swapper/023:27:130
71360rcu_preempt0-21swapper/022:38:520
71360rcu_preempt0-21swapper/022:38:520
71360rcu_preempt0-21swapper/022:18:360
71360rcu_preempt0-21swapper/022:18:360
71360rcu_preempt0-21swapper/022:18:360
71360rcu_preempt0-21swapper/021:44:030
71360rcu_preempt0-21swapper/021:44:030
46450360irq/118-QManpo0-2110:48:552
46450360irq/118-QManpo0-2110:48:552
46050360irq/122-QManpo27909-2110:48:550
46050360irq/122-QManpo27909-2110:48:550
46050360irq/122-QManpo27909-2110:48:550
46050360irq/122-QManpo23318-2110:48:550
46050360irq/122-QManpo23318-2110:48:550
46050360irq/122-QManpo22690-2110:48:550
46050360irq/122-QManpo22690-2110:48:550
46050360irq/122-QManpo22690-2110:48:550
46050360irq/122-QManpo17873-210
46050360irq/122-QManpo17873-210
46050360irq/122-QManpo15672-2110:48:550
46050360irq/122-QManpo15672-2110:48:550
46050360irq/122-QManpo15672-2110:48:550
46050360irq/122-QManpo12250-2110:48:550
46050360irq/122-QManpo12250-2110:48:550
46050360irq/122-QManpo12250-2110:48:550
46050360irq/122-QManpo1023-2110:48:550
46050360irq/122-QManpo1023-2110:48:550
2899360migration/328847-21taskset00:31:323
2899360migration/328847-21taskset00:31:323
2899360migration/328847-21taskset00:31:323
1267599368cyclictest0-21swapper/121:09:451
1267599368cyclictest0-21swapper/121:09:451
12675993613cyclictest11123-21/usr/sbin/munin23:01:581
12675993613cyclictest11123-21/usr/sbin/munin23:01:581
12675993613cyclictest11123-21/usr/sbin/munin23:01:581
12675993613cyclictest0-21swapper/122:23:591
12675993613cyclictest0-21swapper/122:23:591
12675993613cyclictest0-21swapper/122:23:591
12675993613cyclictest0-21swapper/121:17:121
12675993613cyclictest0-21swapper/121:17:121
12675993613cyclictest0-21swapper/120:27:131
12675993613cyclictest0-21swapper/120:27:131
71350rcu_preempt18938-21sh23:16:020
71350rcu_preempt18938-21sh23:16:020
71350rcu_preempt14989-21ssh23:08:092
71350rcu_preempt14989-21ssh23:08:092
71350rcu_preempt14989-21ssh23:08:092
71350rcu_preempt1035-21ssh21:46:572
71350rcu_preempt1035-21ssh21:46:572
71350rcu_preempt0-21swapper/223:39:402
71350rcu_preempt0-21swapper/223:39:402
71350rcu_preempt0-21swapper/223:39:402
71350rcu_preempt0-21swapper/223:32:142
71350rcu_preempt0-21swapper/223:32:142
71350rcu_preempt0-21swapper/222:32:332
71350rcu_preempt0-21swapper/222:32:332
71350rcu_preempt0-21swapper/222:32:332
71350rcu_preempt0-21swapper/222:29:132
71350rcu_preempt0-21swapper/222:29:132
71350rcu_preempt0-21swapper/222:25:102
71350rcu_preempt0-21swapper/222:25:102
71350rcu_preempt0-21swapper/222:25:102
71350rcu_preempt0-21swapper/222:09:452
71350rcu_preempt0-21swapper/222:09:452
71350rcu_preempt0-21swapper/222:09:452
71350rcu_preempt0-21swapper/221:59:472
71350rcu_preempt0-21swapper/221:59:472
71350rcu_preempt0-21swapper/221:59:472
71350rcu_preempt0-21swapper/221:22:312
71350rcu_preempt0-21swapper/221:22:312
71350rcu_preempt0-21swapper/221:22:312
71350rcu_preempt0-21swapper/221:16:002
71350rcu_preempt0-21swapper/221:16:002
71350rcu_preempt0-21swapper/220:26:512
71350rcu_preempt0-21swapper/220:26:512
71350rcu_preempt0-21swapper/200:24:572
71350rcu_preempt0-21swapper/200:24:572
71350rcu_preempt0-21swapper/200:24:572
71350rcu_preempt0-21swapper/123:01:171
71350rcu_preempt0-21swapper/123:01:171
71350rcu_preempt0-21swapper/100:05:181
71350rcu_preempt0-21swapper/100:05:181
71350rcu_preempt0-21swapper/100:05:181
71350rcu_preempt0-21swapper/023:39:280
71350rcu_preempt0-21swapper/023:39:280
71350rcu_preempt0-21swapper/023:39:280
71350rcu_preempt0-21swapper/021:55:080
71350rcu_preempt0-21swapper/021:55:080
71350rcu_preempt0-21swapper/021:22:590
71350rcu_preempt0-21swapper/021:22:590
71350rcu_preempt0-21swapper/021:22:590
46050350irq/122-QManpo5196-2110:48:550
46050350irq/122-QManpo5196-2110:48:550
46050350irq/122-QManpo32020-2110:48:550
46050350irq/122-QManpo32020-2110:48:550
46050350irq/122-QManpo27769-2110:48:550
46050350irq/122-QManpo27769-2110:48:550
46050350irq/122-QManpo27512-10
46050350irq/122-QManpo27512-10
46050350irq/122-QManpo22654-2110:48:550
46050350irq/122-QManpo22654-2110:48:550
46050350irq/122-QManpo21570-2110:48:550
46050350irq/122-QManpo21570-2110:48:550
46050350irq/122-QManpo21570-2110:48:550
46050350irq/122-QManpo21014-2110:48:550
46050350irq/122-QManpo21014-2110:48:550
46050350irq/122-QManpo21014-2110:48:550
46050350irq/122-QManpo1982-2110:48:550
46050350irq/122-QManpo1982-2110:48:550
46050350irq/122-QManpo1959-2110:48:550
46050350irq/122-QManpo1959-2110:48:550
46050350irq/122-QManpo1959-2110:48:550
46050350irq/122-QManpo15629-2110:48:550
46050350irq/122-QManpo15629-2110:48:550
46050350irq/122-QManpo1451-2110:48:550
46050350irq/122-QManpo1451-2110:48:550
46050350irq/122-QManpo1451-2110:48:550
46050350irq/122-QManpo10777-2110:48:550
46050350irq/122-QManpo10777-2110:48:550
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
12675993515cyclictest30845-21ssh23:37:021
12675993515cyclictest30845-21ssh23:37:021
12675993515cyclictest30845-21ssh23:37:021
12675993515cyclictest20929-21latency_hist19:41:461
12675993515cyclictest20929-21latency_hist19:41:461
12675993514cyclictest3990-21df23:47:001
12675993514cyclictest3990-21df23:47:001
12675993514cyclictest3990-21df23:47:001
12675993513cyclictest0-21swapper/120:01:571
12675993513cyclictest0-21swapper/120:01:571
12675993512cyclictest0-21swapper/122:27:091
12675993512cyclictest0-21swapper/122:27:091
12675993512cyclictest0-21swapper/120:56:491
12675993512cyclictest0-21swapper/120:56:491
12675993512cyclictest0-21swapper/120:26:461
12675993512cyclictest0-21swapper/120:26:461
12675993511cyclictest0-21swapper/121:33:111
12675993511cyclictest0-21swapper/121:33:111
12675993511cyclictest0-21swapper/121:33:111
12675993511cyclictest0-21swapper/119:52:111
12675993511cyclictest0-21swapper/119:52:111
12675993511cyclictest0-21swapper/119:27:031
12675993511cyclictest0-21swapper/119:27:031
71340rcu_preempt9391-21latency_hist23:56:482
71340rcu_preempt9391-21latency_hist23:56:482
71340rcu_preempt0-21swapper/223:51:052
71340rcu_preempt0-21swapper/223:51:052
71340rcu_preempt0-21swapper/223:51:052
71340rcu_preempt0-21swapper/222:19:182
71340rcu_preempt0-21swapper/222:19:182
71340rcu_preempt0-21swapper/222:19:182
71340rcu_preempt0-21swapper/221:09:372
71340rcu_preempt0-21swapper/221:09:372
71340rcu_preempt0-21swapper/200:33:202
71340rcu_preempt0-21swapper/200:33:202
71340rcu_preempt0-21swapper/200:33:202
71340rcu_preempt0-21swapper/123:07:321
71340rcu_preempt0-21swapper/123:07:321
71340rcu_preempt0-21swapper/123:07:321
71340rcu_preempt0-21swapper/120:16:471
71340rcu_preempt0-21swapper/120:16:471
71340rcu_preempt0-21swapper/023:07:460
71340rcu_preempt0-21swapper/023:07:460
71340rcu_preempt0-21swapper/023:07:460
71340rcu_preempt0-21swapper/022:58:230
71340rcu_preempt0-21swapper/022:58:230
71340rcu_preempt0-21swapper/021:13:510
71340rcu_preempt0-21swapper/021:13:510
71340rcu_preempt0-21swapper/019:17:430
71340rcu_preempt0-21swapper/019:17:430
71340rcu_preempt0-21swapper/019:17:430
46050340irq/122-QManpo619-10
46050340irq/122-QManpo619-10
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
283502340sleep027286-1kworker/0:0H22:34:470
283502340sleep027286-1kworker/0:0H22:34:470
283502340sleep027286-1kworker/0:0H22:34:470
1599340migration/04415-21taskset22:49:560
1599340migration/04415-21taskset22:49:560
1599340migration/04415-21taskset22:49:560
12675993412cyclictest0-21swapper/122:46:581
12675993412cyclictest0-21swapper/122:46:581
12675993412cyclictest0-21swapper/122:46:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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