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2025-12-01 - 18:18
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack1slot1.osadl.org (updated Mon Dec 01, 2025 12:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
60052228157,23sleep30-21swapper/307:07:073
53122208157,24sleep00-21swapper/007:05:310
59622201160,27sleep20-21swapper/207:06:342
60082200161,26sleep10-21swapper/107:07:081
93152160,1sleep1631699cyclictest10:50:291
631099160,15cyclictest0-21swapper/012:10:190
6310991412,1cyclictest9-21ksoftirqd/008:00:010
37952140,0sleep121-21ksoftirqd/110:45:011
6310991310,1cyclictest9-21ksoftirqd/010:00:010
6310991210,1cyclictest9-21ksoftirqd/007:50:010
6330991110,1cyclictest35-21ksoftirqd/307:55:013
632399119,1cyclictest28-21ksoftirqd/207:25:002
6323991111,0cyclictest0-21swapper/211:46:042
6310991110,1cyclictest9-21ksoftirqd/010:10:010
633099100,6cyclictest0-21swapper/311:30:123
631099108,1cyclictest0-21swapper/009:05:000
631099102,7cyclictest26552-21ssh12:00:180
63169998,1cyclictest21-21ksoftirqd/108:50:111
63169990,8cyclictest0-21swapper/108:45:231
63109998,1cyclictest9-21ksoftirqd/012:35:000
63109998,1cyclictest9-21ksoftirqd/010:30:000
63109998,1cyclictest9-21ksoftirqd/009:20:000
63109996,2cyclictest21474-21perf11:55:010
27699290,1sleep10-21swapper/112:02:081
20839297,1sleep09-21ksoftirqd/010:22:180
63309982,3cyclictest6538-21sh09:20:023
63309981,2cyclictest0-21swapper/311:00:343
63309980,4cyclictest30087-21df09:50:133
63239988,0cyclictest0-21swapper/210:14:262
63239987,1cyclictest28-21ksoftirqd/211:42:252
63239987,1cyclictest28-21ksoftirqd/207:40:002
63239986,1cyclictest60950irq/123-eno111:20:212
63239986,1cyclictest60950irq/123-eno110:55:232
63239986,1cyclictest60950irq/123-eno110:35:152
63239986,1cyclictest60950irq/123-eno110:34:312
63239984,3cyclictest8671-21munin-node10:19:432
63239984,2cyclictest254-21systemd-journal10:05:202
63239983,2cyclictest254-21systemd-journal09:35:052
63239980,5cyclictest22109-21apt-get09:40:122
63169988,0cyclictest21-21ksoftirqd/112:31:191
63169988,0cyclictest21-21ksoftirqd/111:52:031
63169988,0cyclictest21-21ksoftirqd/111:42:491
63169988,0cyclictest21-21ksoftirqd/111:31:051
63169988,0cyclictest21-21ksoftirqd/111:20:131
63169988,0cyclictest21-21ksoftirqd/110:45:151
63169988,0cyclictest21-21ksoftirqd/110:34:421
63169988,0cyclictest21-21ksoftirqd/110:28:031
63169988,0cyclictest21-21ksoftirqd/110:19:251
63169988,0cyclictest21-21ksoftirqd/110:04:231
63169988,0cyclictest21-21ksoftirqd/110:04:231
63169988,0cyclictest21-21ksoftirqd/109:11:501
63169988,0cyclictest21-21ksoftirqd/108:35:151
63169987,1cyclictest21-21ksoftirqd/109:15:261
63169987,1cyclictest21-21ksoftirqd/107:20:131
63169986,2cyclictest111rcu_preempt08:10:191
63169980,8cyclictest0-21swapper/112:10:201
63169980,8cyclictest0-21swapper/111:04:501
63109983,2cyclictest254-21systemd-journal09:26:490
63109983,2cyclictest10825-21apt-get11:40:140
63109982,5cyclictest742-21runrttasks10:55:160
63109981,3cyclictest32285-21sed11:25:000
63109980,7cyclictest9829-21ssh10:52:070
63109980,7cyclictest24436-21sh11:12:590
63109980,7cyclictest2417-21ssh11:27:000
63109980,7cyclictest2416-21ssh10:41:100
63109980,7cyclictest21441-21ssh09:38:590
63109980,7cyclictest2013-21ssh09:13:110
63109980,5cyclictest8677-21kworker/0:107:30:140
63109980,2cyclictest12267-21ssh10:10:170
63109980,1cyclictest254-21systemd-journal10:19:590
17840280,1sleep217842-21cut12:34:592
63309976,1cyclictest31451-21diskmemload12:04:263
63309975,1cyclictest35-21ksoftirqd/308:35:003
63309972,2cyclictest31451-21diskmemload09:45:153
63309971,5cyclictest31451-21diskmemload10:32:273
63309971,4cyclictest924-21latency_hist08:05:003
63309971,2cyclictest12598-21users12:25:223
63309970,6cyclictest2373-21ssh11:26:523
63309970,4cyclictest31451-21diskmemload10:00:123
63309970,4cyclictest31451-21diskmemload10:00:123
63309970,4cyclictest0-21swapper/309:25:123
63309970,3cyclictest0-21swapper/312:06:033
63309970,3cyclictest0-21swapper/311:39:333
63309970,3cyclictest0-21swapper/310:49:503
63239976,1cyclictest60950irq/123-eno112:20:202
63239976,1cyclictest60950irq/123-eno111:55:142
63239976,1cyclictest60950irq/123-eno111:50:002
63239976,1cyclictest60950irq/123-eno111:13:222
63239976,1cyclictest60950irq/123-eno110:40:012
63239976,1cyclictest60950irq/123-eno110:20:132
63239976,1cyclictest60950irq/123-eno109:30:112
63239976,1cyclictest60950irq/123-eno109:26:152
63239976,1cyclictest60950irq/123-eno108:15:122
63239976,1cyclictest22992-21grep08:50:152
63239976,0cyclictest60950irq/123-eno110:01:182
63239976,0cyclictest60950irq/123-eno110:01:182
63239975,1cyclictest60950irq/123-eno112:10:192
63239975,1cyclictest60950irq/123-eno109:20:012
63239973,2cyclictest60950irq/123-eno111:17:022
63239972,2cyclictest254-21systemd-journal11:25:532
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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