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2026-06-06 - 16:25
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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 highest latencies:
System rackcslot3.osadl.org (updated Sat Jun 06, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89150860irq/17-ehci_hcd7440-1kworker/0:2H19:53:340
81810rcu_preempt0-21swapper/019:08:220
81760rcu_preempt19-21ksoftirqd/100:00:361
81750rcu_preempt0-21swapper/000:07:270
81740rcu_preempt25849-21ssh21:24:510
81730rcu_preempt19-21ksoftirqd/122:01:271
89950720irq/17-ehci_hcd945-21usb-storage22:58:061
81720rcu_preempt18688-21ssh23:11:400
81720rcu_preempt0-21swapper/020:38:320
81720rcu_preempt0-21swapper/019:33:280
89950710irq/17-ehci_hcd0-21swapper/023:56:100
81710rcu_preempt7440-1kworker/0:2H22:23:130
81710rcu_preempt0-21swapper/022:13:100
81710rcu_preempt0-21swapper/021:56:180
81710rcu_preempt0-21swapper/000:08:350
81700rcu_preempt29445-21ssh00:33:010
81700rcu_preempt0-21swapper/023:49:410
81700rcu_preempt0-21swapper/023:43:340
81690rcu_preempt31258-21ssh22:34:191
81690rcu_preempt0-21swapper/100:17:501
81690rcu_preempt0-21swapper/022:36:130
81680rcu_preempt2632-21sh23:42:010
81680rcu_preempt0-21swapper/121:18:141
89950670irq/17-ehci_hcd0-21swapper/123:21:071
81670rcu_preempt21769-21tr19:18:220
81670rcu_preempt18232-21diskmemload22:14:581
81670rcu_preempt0-21swapper/123:55:351
81670rcu_preempt0-21swapper/123:15:541
81670rcu_preempt0-21swapper/122:04:291
81670rcu_preempt0-21swapper/023:35:020
81660rcu_preempt0-21swapper/100:06:381
81660rcu_preempt0-21swapper/023:59:290
81660rcu_preempt0-21swapper/021:29:380
81650rcu_preempt24697-21ssh23:23:210
81650rcu_preempt23096-21sh23:18:390
81650rcu_preempt19379-21ssh22:13:240
81650rcu_preempt19346-21df_inode19:08:241
81650rcu_preempt0-21swapper/122:51:171
81650rcu_preempt0-21swapper/121:15:261
81650rcu_preempt0-21swapper/119:19:051
81640rcu_preempt0-21swapper/120:08:321
81640rcu_preempt0-21swapper/021:49:280
89950630irq/17-ehci_hcd945-21usb-storage22:44:171
81630rcu_preempt7967-21ssh23:51:541
81630rcu_preempt2476-21ssh23:41:271
81630rcu_preempt0-21swapper/023:01:160
81630rcu_preempt0-21swapper/023:01:160
81620rcu_preempt4794-21ssh23:45:121
81620rcu_preempt26732-21ssh21:27:541
81620rcu_preempt24460-21munin-run22:23:100
81620rcu_preempt21187-21munin-run21:18:100
81620rcu_preempt12486-21sshd22:59:191
81620rcu_preempt12486-21sshd22:59:191
81620rcu_preempt0-21swapper/122:20:181
81620rcu_preempt0-21swapper/121:48:591
81620rcu_preempt0-21swapper/119:13:291
81620rcu_preempt0-21swapper/100:33:241
81620rcu_preempt0-21swapper/100:33:241
81620rcu_preempt0-21swapper/023:16:140
81620rcu_preempt0-21swapper/022:53:240
81620rcu_preempt0-21swapper/020:03:290
81620rcu_preempt0-21swapper/019:28:340
81610rcu_preempt29503-21ssh22:32:291
81610rcu_preempt0-21swapper/123:10:271
81610rcu_preempt0-21swapper/122:09:531
81610rcu_preempt0-21swapper/120:23:231
81610rcu_preempt0-21swapper/023:33:100
81610rcu_preempt0-21swapper/021:38:560
81610rcu_preempt0-21swapper/019:48:280
81600rcu_preempt27154-21ssh23:27:541
81600rcu_preempt21390-21ssh00:18:121
81600rcu_preempt16301-21ssh23:07:440
81600rcu_preempt1629-21rm22:39:201
81600rcu_preempt0-21swapper/121:33:571
81600rcu_preempt0-21swapper/100:31:261
81590rcu_preempt8584-21if_can020:33:261
81590rcu_preempt25490-21ssh00:24:121
81590rcu_preempt2192-21snmpd19:40:141
81590rcu_preempt14996-21if_eth120:58:281
81590rcu_preempt13966-21df_abs22:03:230
81590rcu_preempt12221-21sshd21:58:380
81590rcu_preempt0-21swapper/123:37:481
81590rcu_preempt0-21swapper/122:26:471
81590rcu_preempt0-21swapper/121:43:131
81590rcu_preempt0-21swapper/120:38:261
81590rcu_preempt0-21swapper/119:58:321
81590rcu_preempt0-21swapper/100:42:471
81590rcu_preempt0-21swapper/022:44:590
81590rcu_preempt0-21swapper/021:21:380
81590rcu_preempt0-21swapper/019:43:280
81590rcu_preempt0-21swapper/000:34:560
81590rcu_preempt0-21swapper/000:34:560
81580rcu_preempt7914-21ssh22:52:170
81580rcu_preempt0-21swapper/123:30:381
81580rcu_preempt0-21swapper/121:41:431
81580rcu_preempt0-21swapper/121:28:481
81580rcu_preempt0-21swapper/120:18:331
81580rcu_preempt0-21swapper/120:15:221
81580rcu_preempt0-21swapper/119:53:351
81580rcu_preempt0-21swapper/100:09:391
81580rcu_preempt0-21swapper/020:08:260
81580rcu_preempt0-21swapper/019:13:270
81580rcu_preempt0-21swapper/000:19:410
89550570irq/17-ehci_hcd0-21swapper/020:01:250
81570rcu_preempt8712-21fw_conntrack21:53:251
81570rcu_preempt14056-21ssh23:03:231
81570rcu_preempt0-21swapper/119:28:321
81570rcu_preempt0-21swapper/000:16:290
146250570irq/28-eth0-rx-41ktimersoftd/021:35:030
81560rcu_preempt26049-21ssh00:25:590
81560rcu_preempt0-21swapper/020:43:250
81560rcu_preempt0-21swapper/020:23:230
81560rcu_preempt0-21swapper/020:18:290
81560rcu_preempt0-21swapper/020:17:370
89950550irq/17-ehci_hcd8830-21grep20:33:280
81550rcu_preempt0-21swapper/120:49:381
81550rcu_preempt0-21swapper/119:23:541
81550rcu_preempt0-21swapper/022:41:260
81550rcu_preempt0-21swapper/022:32:280
81550rcu_preempt0-21swapper/021:43:560
81550rcu_preempt0-21swapper/020:57:490
81550rcu_preempt0-21swapper/019:38:250
81540rcu_preempt0-21swapper/119:48:251
81540rcu_preempt0-21swapper/119:43:091
81540rcu_preempt0-21swapper/020:48:290
81530rcu_preempt7273-21fw_conntrack20:28:241
81530rcu_preempt32516-21df00:38:230
81530rcu_preempt26062-21memory19:33:291
81530rcu_preempt0-21swapper/120:55:571
81530rcu_preempt0-21swapper/021:03:410
81520rcu_preempt0-21swapper/021:03:020
81520rcu_preempt0-21swapper/020:29:010
81510rcu_preempt609-21apt-get20:03:211
81490rcu_preempt0-21swapper/019:26:360
20253994946cyclictest945-21usb-storage21:12:501
20253994441cyclictest945-21usb-storage20:43:141
20253994239cyclictest945-21usb-storage21:06:041
89950380irq/17-ehci_hcd0-21swapper/021:08:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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