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2026-05-30 - 23:04
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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 all highest latencies:
System rackcslot3.osadl.org (updated Sat May 30, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81780rcu_preempt0-21swapper/107:11:121
81770rcu_preempt3357-21ssh12:24:150
81770rcu_preempt26894-21ntp_states12:08:001
81750rcu_preempt5337-21ssh11:27:571
81750rcu_preempt28818-21idleruntime-cro10:12:361
81740rcu_preempt18931-21ntp_states09:53:000
89950730irq/17-ehci_hcd945-21usb-storage12:35:081
81730rcu_preempt31603-21cpuspeed_turbos07:17:501
81710rcu_preempt28715-21sh11:12:291
81710rcu_preempt0-21swapper/109:45:111
81710rcu_preempt0-21swapper/010:27:560
81700rcu_preempt0-21swapper/112:12:541
81700rcu_preempt0-21swapper/010:51:360
81700rcu_preempt0-21swapper/010:11:240
81690rcu_preempt9125-21ssh10:34:531
81690rcu_preempt22349-21sh09:59:300
81690rcu_preempt0-21swapper/112:04:391
81690rcu_preempt0-21swapper/011:06:210
81680rcu_preempt12800-21sh10:42:460
81680rcu_preempt0-21swapper/111:45:151
81680rcu_preempt0-21swapper/111:23:031
81680rcu_preempt0-21swapper/110:38:041
81680rcu_preempt0-21swapper/009:43:070
81680rcu_preempt0-21swapper/009:33:570
81670rcu_preempt15694-21/usr/sbin/munin11:47:530
81670rcu_preempt1400-21ssh10:21:051
81670rcu_preempt0-21swapper/112:37:561
81670rcu_preempt0-21swapper/112:01:231
81670rcu_preempt0-21swapper/111:42:221
81670rcu_preempt0-21swapper/110:02:551
81660rcu_preempt24071-21irqstats11:02:561
81660rcu_preempt0-21swapper/110:14:551
81660rcu_preempt0-21swapper/109:22:061
81660rcu_preempt0-21swapper/109:17:211
81660rcu_preempt0-21swapper/012:18:360
81660rcu_preempt0-21swapper/011:29:140
81650rcu_preempt29587-21ntp_states12:12:590
81650rcu_preempt24427-21apt-get08:57:461
81650rcu_preempt23376-21cat11:02:371
81650rcu_preempt0-21swapper/107:43:001
81650rcu_preempt0-21swapper/012:07:390
81650rcu_preempt0-21swapper/012:06:480
81640rcu_preempt7657-21awk09:32:551
81640rcu_preempt24338-21ssh10:02:590
81640rcu_preempt0-21swapper/112:27:561
81640rcu_preempt0-21swapper/109:59:371
81640rcu_preempt0-21swapper/108:16:171
81640rcu_preempt0-21swapper/107:23:311
81640rcu_preempt0-21swapper/010:20:460
81630rcu_preempt3481-21ssh09:25:001
81630rcu_preempt26845-21latency_hist09:07:370
81630rcu_preempt19617-21ssh10:53:561
81630rcu_preempt0-21swapper/111:21:111
81630rcu_preempt0-21swapper/110:48:481
81630rcu_preempt0-21swapper/110:28:291
81630rcu_preempt0-21swapper/108:07:361
81630rcu_preempt0-21swapper/107:58:321
81630rcu_preempt0-21swapper/107:16:551
81630rcu_preempt0-21swapper/012:33:500
81630rcu_preempt0-21swapper/011:32:580
81630rcu_preempt0-21swapper/011:18:020
81630rcu_preempt0-21swapper/010:56:390
81630rcu_preempt0-21swapper/010:34:130
81630rcu_preempt0-21swapper/009:28:010
81630rcu_preempt0-21swapper/008:37:550
81620rcu_preempt0-21swapper/011:22:500
81620rcu_preempt0-21swapper/010:37:490
81620rcu_preempt0-21swapper/008:02:490
81610rcu_preempt3521-21ssh10:23:551
81610rcu_preempt30090-21ssh11:13:031
81610rcu_preempt24270-21sshd08:54:081
81610rcu_preempt19561-21ssh09:53:531
81610rcu_preempt16892-21ssh11:49:401
81610rcu_preempt11318-21ssh09:38:251
81610rcu_preempt0-21swapper/010:57:520
81600rcu_preempt7835-21/usr/sbin/munin07:52:360
81600rcu_preempt6166-21ssh09:29:521
81600rcu_preempt16958-21ssh09:49:241
81600rcu_preempt14997-21ssh10:46:501
81600rcu_preempt0-21swapper/112:22:571
81600rcu_preempt0-21swapper/112:17:431
81600rcu_preempt0-21swapper/008:12:590
81600rcu_preempt0-21swapper/007:37:590
89950590irq/17-ehci_hcd945-21usb-storage07:55:491
81590rcu_preempt4496-21ssh10:27:290
81590rcu_preempt0-21swapper/111:57:311
81590rcu_preempt0-21swapper/108:47:591
81590rcu_preempt0-21swapper/011:07:530
81590rcu_preempt0-21swapper/008:17:550
81590rcu_preempt0-21swapper/007:52:580
81580rcu_preempt28089-21diskmemload12:38:200
81580rcu_preempt28085-21munin-run09:12:370
81580rcu_preempt12205-21ssh11:41:330
81580rcu_preempt0-21swapper/111:32:541
81580rcu_preempt0-21swapper/108:27:541
81580rcu_preempt0-21swapper/108:19:291
81580rcu_preempt0-21swapper/012:27:580
81580rcu_preempt0-21swapper/012:01:080
81580rcu_preempt0-21swapper/010:12:540
81580rcu_preempt0-21swapper/009:14:190
81580rcu_preempt0-21swapper/008:32:590
81570rcu_preempt25557-21/usr/sbin/munin09:02:370
81570rcu_preempt16761-21ssh09:48:450
81570rcu_preempt0-21swapper/108:42:571
81570rcu_preempt0-21swapper/108:32:531
81570rcu_preempt0-21swapper/107:40:491
81560rcu_preempt0-21swapper/109:08:381
81560rcu_preempt0-21swapper/108:22:411
81560rcu_preempt0-21swapper/107:33:111
81560rcu_preempt0-21swapper/107:31:431
81560rcu_preempt0-21swapper/009:39:440
81560rcu_preempt0-21swapper/008:07:530
81550rcu_preempt28089-21diskmemload11:12:480
81550rcu_preempt19572-21diskstats08:37:511
81550rcu_preempt0-21swapper/108:06:411
81550rcu_preempt0-21swapper/107:48:001
81550rcu_preempt0-21swapper/011:55:230
81550rcu_preempt0-21swapper/011:43:150
81550rcu_preempt0-21swapper/007:07:570
81540rcu_preempt0-21swapper/009:22:560
81540rcu_preempt0-21swapper/007:32:490
146250540irq/28-eth0-rx-41ktimersoftd/009:22:280
81530rcu_preempt0-21swapper/008:48:000
81520rcu_preempt0-21swapper/008:44:450
81520rcu_preempt0-21swapper/007:18:380
81510rcu_preempt0-21swapper/008:56:430
30109995148cyclictest945-21usb-storage07:58:020
81500rcu_preempt0-21swapper/008:23:080
81500rcu_preempt0-21swapper/007:29:580
146250470irq/28-eth0-rx-0-21swapper/109:02:471
30109994441cyclictest945-21usb-storage08:27:540
30109994440cyclictest945-21usb-storage07:13:020
30109994337cyclictest945-21usb-storage07:42:560
81390rcu_preempt0-21swapper/007:26:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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