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2026-06-05 - 03:57
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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 376 highest latencies:
System rack6slot5.osadl.org (updated Fri Jun 05, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
231179992704788,4471cyclictest13580-21kworker/0:019:20:360
231179977164161,3504cyclictest13580-21kworker/0:019:19:000
231179971783815,3348cyclictest13580-21kworker/0:019:14:080
228872805184,203sleep00-21swapper19:08:430
231179950537,468cyclictest0-21swapper22:14:260
231179949637,459cyclictest0-21swapper21:01:570
231179949166,248cyclictest3436-21diskmemload23:44:210
231179948335,448cyclictest0-21swapper00:17:450
231179947441,371cyclictest4500-21ssh23:38:310
231179947117,211cyclictest29658-21ntp_offset19:25:250
231179946084,200cyclictest21725-21ssh21:50:370
231179943967,88cyclictest0-21swapper21:58:190
231179943766,186cyclictest0-21swapper22:27:140
231179943665,357cyclictest0-21swapper22:22:510
231179943263,187cyclictest0-21swapper00:39:440
231179942566,299cyclictest11-21ksoftirqd/022:07:190
231179941936,360cyclictest20950-21ssh21:49:140
231179941732,385cyclictest23130-21awk20:35:190
231179940823,371cyclictest5234-21ssh21:12:230
231179940740,33cyclictest21907-21munin-node23:05:140
231179940736,349cyclictest32561-1kworker/0:2H20:30:000
231179940731,376cyclictest3436-21diskmemload23:00:380
231179940637,355cyclictest11359-21kworker/u2:100:06:520
231179940634,372cyclictest0-21swapper21:07:070
231179940620,372cyclictest30023-21ssh23:22:240
231179940533,358cyclictest32013-1kworker/u3:200:22:050
231179940316,365cyclictest15193-21ssh00:01:570
231179940256,284cyclictest6647-21awk22:30:220
231179940229,358cyclictest19263-21ssh22:58:300
231179940228,88cyclictest9309-21ssh21:21:280
231179940134,355cyclictest345450irq/10-yenta23:52:450
231179939932,367cyclictest3715-21kworker/u2:321:20:050
231179939932,367cyclictest3436-21diskmemload21:33:160
231179939838,347cyclictest902-21jbd2/sda1-823:14:260
231179939836,348cyclictest345450irq/10-yenta00:25:160
231179939635,346cyclictest11-21ksoftirqd/020:21:170
231179939632,364cyclictest3436-21diskmemload21:27:090
231179939632,349cyclictest30676-21ssh23:25:080
231179939334,359cyclictest0-21swapper00:12:020
231179939331,347cyclictest25942sleep019:40:180
231179939239,330cyclictest11-21ksoftirqd/021:36:390
231179939232,345cyclictest27169-21seq22:02:150
231179939035,294cyclictest8244-21ssh23:46:200
231179939032,163cyclictest16667-21perl20:15:560
231179938832,341cyclictest32260-21munin-node19:31:220
231179938832,341cyclictest2094-21kworker/u2:023:33:450
231179938733,340cyclictest3436-21diskmemload22:44:180
231179938732,340cyclictest3436-21diskmemload22:48:270
231179938432,337cyclictest25068-21ls20:40:190
231179938132,335cyclictest31850-21chrt20:57:250
231179937824,354cyclictest0-21swapper20:34:200
231179937534,278cyclictest3436-21diskmemload00:32:210
231179937468,178cyclictest0-21swapper19:51:510
231179937233,278cyclictest3436-21diskmemload23:15:260
231179937119,338cyclictest5564-21ps19:45:580
231179937040,270cyclictest11863-21munin-node20:06:100
231179937028,281cyclictest18511-21rm21:42:560
231179936913,356cyclictest0-21swapper19:56:390
231179936839,269cyclictest26718-21munin-node20:45:590
231179936734,89cyclictest32326-21runrttasks22:15:170
231179936634,89cyclictest10841-21sed20:00:580
231179936535,269cyclictest28772-21cpuspeed_turbos20:50:190
231179936534,91cyclictest4216-21nscd22:51:200
231179936534,89cyclictest1198-21munin-node19:35:320
231179936534,270cyclictest14793-21fschecks_time20:10:550
231179936435,268cyclictest12943-21ssh23:56:430
231179936188,259cyclictest4253-21lldpd22:37:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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