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2026-05-05 - 21:30
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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 Tue May 05, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232792720chrt46050irq/122-QMan10:48:550
232792720chrt46050irq/122-QMan10:48:550
232792720chrt46050irq/122-QMan10:48:550
71500rcu_preempt0-21swapper/011:59:240
71500rcu_preempt0-21swapper/011:59:240
71500rcu_preempt0-21swapper/011:59:240
71490rcu_preempt17731-21grep08:53:031
71490rcu_preempt17731-21grep08:53:031
71470rcu_preempt10449-21sh09:52:462
71470rcu_preempt10449-21sh09:52:462
71470rcu_preempt10449-21sh09:52:462
71460rcu_preempt0-21swapper/312:35:053
71460rcu_preempt0-21swapper/312:35:053
71460rcu_preempt0-21swapper/009:54:550
71460rcu_preempt0-21swapper/009:54:550
71450rcu_preempt26919-21apt-get10:27:521
71450rcu_preempt26919-21apt-get10:27:521
71450rcu_preempt26919-21apt-get10:27:521
71450rcu_preempt0-21swapper/311:04:023
71450rcu_preempt0-21swapper/311:04:023
71450rcu_preempt0-21swapper/311:04:023
71440rcu_preempt27862-1kworker/2:2H12:38:092
71440rcu_preempt27862-1kworker/2:2H12:38:092
71440rcu_preempt0-21swapper/311:52:033
71440rcu_preempt0-21swapper/311:52:033
71440rcu_preempt0-21swapper/309:20:123
71440rcu_preempt0-21swapper/309:20:123
71440rcu_preempt0-21swapper/309:20:123
71440rcu_preempt0-21swapper/007:53:100
71440rcu_preempt0-21swapper/007:53:100
71440rcu_preempt0-21swapper/007:53:100
71430rcu_preempt4598-1sh10:46:123
71430rcu_preempt4598-1sh10:46:123
71430rcu_preempt4598-1sh10:46:123
71430rcu_preempt0-21swapper/312:25:083
71430rcu_preempt0-21swapper/312:25:083
71430rcu_preempt0-21swapper/312:25:083
71430rcu_preempt0-21swapper/310:25:113
71430rcu_preempt0-21swapper/310:25:113
71430rcu_preempt0-21swapper/310:25:113
71430rcu_preempt0-21swapper/010:38:080
71430rcu_preempt0-21swapper/010:38:080
71430rcu_preempt0-21swapper/008:43:070
71430rcu_preempt0-21swapper/008:43:070
71420rcu_preempt8827-21apt-get08:23:062
71420rcu_preempt8827-21apt-get08:23:062
71420rcu_preempt8827-21apt-get08:23:062
71420rcu_preempt0-21swapper/310:52:043
71420rcu_preempt0-21swapper/310:52:043
71420rcu_preempt0-21swapper/310:52:043
71410rcu_preempt8827-21apt-get08:23:023
71410rcu_preempt8827-21apt-get08:23:023
71410rcu_preempt8827-21apt-get08:23:023
71410rcu_preempt29138-21ssh09:24:290
71410rcu_preempt29138-21ssh09:24:290
71410rcu_preempt29138-21ssh09:24:290
71410rcu_preempt29138-21ssh09:24:290
71410rcu_preempt0-21swapper/312:06:083
71410rcu_preempt0-21swapper/312:06:083
71410rcu_preempt0-21swapper/310:06:493
71410rcu_preempt0-21swapper/310:06:493
71410rcu_preempt0-21swapper/310:06:493
71410rcu_preempt0-21swapper/309:57:403
71410rcu_preempt0-21swapper/309:57:403
71410rcu_preempt0-21swapper/012:24:590
71410rcu_preempt0-21swapper/012:24:590
71410rcu_preempt0-21swapper/012:24:590
71400rcu_preempt0-21swapper/312:20:283
71400rcu_preempt0-21swapper/312:20:283
71400rcu_preempt0-21swapper/112:13:391
71400rcu_preempt0-21swapper/112:13:391
71400rcu_preempt0-21swapper/012:27:530
71400rcu_preempt0-21swapper/012:27:530
71400rcu_preempt0-21swapper/012:27:530
71400rcu_preempt0-21swapper/010:52:440
71400rcu_preempt0-21swapper/010:52:440
71400rcu_preempt0-21swapper/010:52:440
46050400irq/122-QManpo487-2110:48:550
46050400irq/122-QManpo487-2110:48:550
152222400sleep013209-1kworker/0:1H12:06:110
152222400sleep013209-1kworker/0:1H12:06:110
71390rcu_preempt20201-21sh10:14:441
71390rcu_preempt20201-21sh10:14:441
46050390irq/122-QManpo3379-2110:48:550
46050390irq/122-QManpo13982-2110:48:550
46050390irq/122-QManpo13982-2110:48:550
46050390irq/122-QManpo13982-2110:48:550
71380rcu_preempt32044-21latency_hist11:37:471
71380rcu_preempt21869-21cyclictest09:43:353
71380rcu_preempt21869-21cyclictest09:43:353
71380rcu_preempt21869-21cyclictest09:43:353
71380rcu_preempt0-21swapper/311:55:573
71380rcu_preempt0-21swapper/311:55:573
71380rcu_preempt0-21swapper/310:00:023
71380rcu_preempt0-21swapper/310:00:023
71380rcu_preempt0-21swapper/112:10:481
71380rcu_preempt0-21swapper/112:10:481
71380rcu_preempt0-21swapper/112:10:481
71380rcu_preempt0-21swapper/010:28:100
71380rcu_preempt0-21swapper/010:28:100
71380rcu_preempt0-21swapper/010:28:100
71380rcu_preempt0-21swapper/010:06:590
71380rcu_preempt0-21swapper/010:06:590
71380rcu_preempt0-21swapper/010:06:590
46650380irq/116-QManpo0-2110:48:553
46650380irq/116-QManpo0-2110:48:553
46050380irq/122-QManpo31637-2110:48:550
46050380irq/122-QManpo31637-2110:48:550
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
71370rcu_preempt23832-21grep09:13:143
71370rcu_preempt23832-21grep09:13:143
71370rcu_preempt23832-21grep09:13:143
71370rcu_preempt0-21swapper/311:10:263
71370rcu_preempt0-21swapper/311:10:263
71370rcu_preempt0-21swapper/310:53:523
71370rcu_preempt0-21swapper/310:53:523
71370rcu_preempt0-21swapper/308:09:073
71370rcu_preempt0-21swapper/308:09:073
46050370irq/122-QManpo7941-2110:48:550
46050370irq/122-QManpo7941-2110:48:550
46050370irq/122-QManpo7941-2110:48:550
46050370irq/122-QManpo5580-2110:48:550
46050370irq/122-QManpo5580-2110:48:550
46050370irq/122-QManpo27464-210
46050370irq/122-QManpo27464-210
46050370irq/122-QManpo21274-2110:48:550
46050370irq/122-QManpo21274-2110:48:550
46050370irq/122-QManpo13235-2110:48:550
46050370irq/122-QManpo13235-2110:48:550
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
225292370sleep08876-1kworker/0:0H11:18:490
225292370sleep08876-1kworker/0:0H11:18:490
71360rcu_preempt31562-21latency_hist07:47:451
71360rcu_preempt31562-21latency_hist07:47:451
71360rcu_preempt0-21swapper/312:08:413
71360rcu_preempt0-21swapper/312:08:413
71360rcu_preempt0-21swapper/312:08:413
71360rcu_preempt0-21swapper/310:19:043
71360rcu_preempt0-21swapper/310:19:043
71360rcu_preempt0-21swapper/309:26:253
71360rcu_preempt0-21swapper/309:26:253
71360rcu_preempt0-21swapper/309:26:253
71360rcu_preempt0-21swapper/309:26:253
71360rcu_preempt0-21swapper/211:48:372
71360rcu_preempt0-21swapper/211:48:372
71360rcu_preempt0-21swapper/110:33:441
71360rcu_preempt0-21swapper/110:33:441
71360rcu_preempt0-21swapper/110:07:311
71360rcu_preempt0-21swapper/110:07:311
71360rcu_preempt0-21swapper/110:07:311
71360rcu_preempt0-21swapper/108:42:511
71360rcu_preempt0-21swapper/108:42:511
46450360irq/118-QManpo0-2110:48:552
46450360irq/118-QManpo0-2110:48:552
46050360irq/122-QManpo29975-2110:48:550
46050360irq/122-QManpo29975-2110:48:550
46050360irq/122-QManpo26765-210
46050360irq/122-QManpo26765-210
46050360irq/122-QManpo25316-210
46050360irq/122-QManpo25316-210
46050360irq/122-QManpo25316-210
46050360irq/122-QManpo23999-2110:48:550
46050360irq/122-QManpo23999-2110:48:550
46050360irq/122-QManpo23999-2110:48:550
46050360irq/122-QManpo2083-2110:48:550
46050360irq/122-QManpo2083-2110:48:550
46050360irq/122-QManpo16315-2110:48:550
46050360irq/122-QManpo16315-2110:48:550
46050360irq/122-QManpo16315-2110:48:550
46050360irq/122-QManpo14394-2110:48:550
46050360irq/122-QManpo14394-2110:48:550
46050360irq/122-QManpo12235-2110:48:550
46050360irq/122-QManpo12235-2110:48:550
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
196792360chrt0-21swapper/011:13:290
196792360chrt0-21swapper/011:13:290
71350rcu_preempt21919-1kworker/1:1H07:18:081
71350rcu_preempt21919-1kworker/1:1H07:18:081
71350rcu_preempt21919-1kworker/1:1H07:18:081
71350rcu_preempt0-21swapper/311:38:573
71350rcu_preempt0-21swapper/311:38:573
71350rcu_preempt0-21swapper/311:23:003
71350rcu_preempt0-21swapper/311:23:003
71350rcu_preempt0-21swapper/310:37:563
71350rcu_preempt0-21swapper/310:37:563
71350rcu_preempt0-21swapper/310:13:253
71350rcu_preempt0-21swapper/310:13:253
71350rcu_preempt0-21swapper/309:40:573
71350rcu_preempt0-21swapper/309:40:573
71350rcu_preempt0-21swapper/212:18:002
71350rcu_preempt0-21swapper/212:18:002
71350rcu_preempt0-21swapper/212:13:042
71350rcu_preempt0-21swapper/212:13:042
71350rcu_preempt0-21swapper/209:57:232
71350rcu_preempt0-21swapper/209:57:232
71350rcu_preempt0-21swapper/209:43:372
71350rcu_preempt0-21swapper/209:43:372
71350rcu_preempt0-21swapper/209:43:372
71350rcu_preempt0-21swapper/207:48:212
71350rcu_preempt0-21swapper/207:48:212
71350rcu_preempt0-21swapper/112:30:061
71350rcu_preempt0-21swapper/112:30:061
71350rcu_preempt0-21swapper/112:30:061
71350rcu_preempt0-21swapper/109:21:131
71350rcu_preempt0-21swapper/109:21:131
71350rcu_preempt0-21swapper/109:21:131
46050350irq/122-QManpo9284-2110:48:550
46050350irq/122-QManpo9284-2110:48:550
46050350irq/122-QManpo9284-2110:48:550
46050350irq/122-QManpo8807-2110:48:550
46050350irq/122-QManpo8807-2110:48:550
46050350irq/122-QManpo8807-2110:48:550
46050350irq/122-QManpo8075-2110:48:550
46050350irq/122-QManpo8075-2110:48:550
46050350irq/122-QManpo5986-2110:48:550
46050350irq/122-QManpo5986-2110:48:550
46050350irq/122-QManpo3576-2110:48:550
46050350irq/122-QManpo3576-2110:48:550
46050350irq/122-QManpo32107-2110:48:550
46050350irq/122-QManpo30169-2110:48:550
46050350irq/122-QManpo30169-2110:48:550
46050350irq/122-QManpo28046-10
46050350irq/122-QManpo28046-10
46050350irq/122-QManpo28046-10
46050350irq/122-QManpo21049-10
46050350irq/122-QManpo21049-10
46050350irq/122-QManpo12140-2110:48:550
46050350irq/122-QManpo12140-2110:48:550
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
21872993517cyclictest181ksoftirqd/107:13:061
21872993517cyclictest181ksoftirqd/107:13:061
1599350migration/07527-21taskset09:46:580
1599350migration/07527-21taskset09:46:580
1599350migration/07527-21taskset09:46:580
71340rcu_preempt395-21latency_hist09:32:463
71340rcu_preempt395-21latency_hist09:32:463
71340rcu_preempt395-21latency_hist09:32:463
71340rcu_preempt1958-21snmpd11:36:060
71340rcu_preempt1958-21snmpd11:36:060
71340rcu_preempt11708-1kworker/1:1H12:02:521
71340rcu_preempt11708-1kworker/1:1H12:02:521
71340rcu_preempt0-21swapper/311:33:503
71340rcu_preempt0-21swapper/311:33:503
71340rcu_preempt0-21swapper/309:05:223
71340rcu_preempt0-21swapper/309:05:223
71340rcu_preempt0-21swapper/309:05:223
71340rcu_preempt0-21swapper/309:05:223
71340rcu_preempt0-21swapper/212:31:562
71340rcu_preempt0-21swapper/212:31:562
71340rcu_preempt0-21swapper/212:31:562
71340rcu_preempt0-21swapper/211:54:342
71340rcu_preempt0-21swapper/211:54:342
71340rcu_preempt0-21swapper/209:13:532
71340rcu_preempt0-21swapper/209:13:532
71340rcu_preempt0-21swapper/209:13:532
71340rcu_preempt0-21swapper/112:24:011
71340rcu_preempt0-21swapper/112:24:011
71340rcu_preempt0-21swapper/112:24:011
71340rcu_preempt0-21swapper/112:18:001
71340rcu_preempt0-21swapper/112:18:001
71340rcu_preempt0-21swapper/109:58:211
71340rcu_preempt0-21swapper/109:58:211
46450340irq/118-QManpo29250-212
46450340irq/118-QManpo29250-212
46250340irq/120-QManpo20489-211
46250340irq/120-QManpo20489-211
46050340irq/122-QManpo21005-10
46050340irq/122-QManpo21005-10
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
1599340migration/030284-21/usr/sbin/munin09:27:550
1599340migration/030284-21/usr/sbin/munin09:27:550
1599340migration/030284-21/usr/sbin/munin09:27:550
71330rcu_preempt16601-21ntp_states11:08:082
71330rcu_preempt16601-21ntp_states11:08:082
71330rcu_preempt0-21swapper/312:30:153
71330rcu_preempt0-21swapper/312:30:153
71330rcu_preempt0-21swapper/312:30:153
71330rcu_preempt0-21swapper/311:43:413
71330rcu_preempt0-21swapper/311:43:413
71330rcu_preempt0-21swapper/311:43:413
71330rcu_preempt0-21swapper/309:52:133
71330rcu_preempt0-21swapper/309:52:133
71330rcu_preempt0-21swapper/309:52:133
71330rcu_preempt0-21swapper/308:22:483
71330rcu_preempt0-21swapper/212:26:032
71330rcu_preempt0-21swapper/212:26:032
71330rcu_preempt0-21swapper/212:26:032
71330rcu_preempt0-21swapper/207:28:462
71330rcu_preempt0-21swapper/207:28:462
46650330irq/116-QManpo30785-2110:48:553
46650330irq/116-QManpo30785-2110:48:553
46250330irq/120-QManpo22352-2110:48:551
46250330irq/120-QManpo22352-2110:48:551
46050330irq/122-QManpo23200-10
46050330irq/122-QManpo23200-10
46050330irq/122-QManpo21355-2110:48:550
46050330irq/122-QManpo21355-2110:48:550
46050330irq/122-QManpo21355-2110:48:550
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
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
1599330migration/016844-21taskset08:48:350
1599330migration/016844-21taskset08:48:350
71320rcu_preempt7703-21ssh10:52:412
71320rcu_preempt7703-21ssh10:52:412
71320rcu_preempt7703-21ssh10:52:412
71320rcu_preempt29184-1kworker/2:2H09:25:472
71320rcu_preempt29184-1kworker/2:2H09:25:472
71320rcu_preempt29184-1kworker/2:2H09:25:472
71320rcu_preempt29184-1kworker/2:2H09:25:472
71320rcu_preempt26406-1kworker/2:1H09:22:182
71320rcu_preempt26406-1kworker/2:1H09:22:182
71320rcu_preempt26406-1kworker/2:1H09:22:182
71320rcu_preempt12991-21ssh09:58:092
71320rcu_preempt12991-21ssh09:58:092
71320rcu_preempt10916-21ssh11:58:053
71320rcu_preempt10916-21ssh11:58:053
71320rcu_preempt10916-21ssh11:58:053
71320rcu_preempt0-21swapper/310:12:303
71320rcu_preempt0-21swapper/310:12:303
71320rcu_preempt0-21swapper/310:12:303
71320rcu_preempt0-21swapper/210:18:072
71320rcu_preempt0-21swapper/210:18:072
71320rcu_preempt0-21swapper/207:18:032
71320rcu_preempt0-21swapper/207:18:032
71320rcu_preempt0-21swapper/207:18:032
46250320irq/120-QManpo9497-2110:48:551
46250320irq/120-QManpo9497-2110:48:551
46250320irq/120-QManpo9497-2110:48:551
71310rcu_preempt26707-1kworker/1:2H09:37:561
71310rcu_preempt26707-1kworker/1:2H09:37:561
71310rcu_preempt15493-1kworker/1:3H10:09:111
71310rcu_preempt15493-1kworker/1:3H10:09:111
71310rcu_preempt15493-1kworker/1:3H10:09:111
71310rcu_preempt0-21swapper/309:11:303
71310rcu_preempt0-21swapper/309:11:303
71310rcu_preempt0-21swapper/309:11:303
71310rcu_preempt0-21swapper/308:42:543
71310rcu_preempt0-21swapper/308:42:543
71310rcu_preempt0-21swapper/307:18:073
71310rcu_preempt0-21swapper/307:18:073
71310rcu_preempt0-21swapper/307:18:073
71310rcu_preempt0-21swapper/210:46:432
71310rcu_preempt0-21swapper/210:46:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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