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2026-07-06 - 17:27
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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 highest latencies:
System rack6slot5.osadl.org (updated Mon Jul 06, 2026 12:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1694599111955920,5265cyclictest7266-21kworker/0:207:19:380
169459996065122,4474cyclictest7266-21kworker/0:207:29:110
169459985334253,4238cyclictest30793-21kworker/0:107:47:430
169459982874162,4111cyclictest7266-21kworker/0:207:14:100
169459977413864,3835cyclictest14569-21kworker/0:108:34:520
169459974864143,3329cyclictest7266-21kworker/0:207:40:100
169459974764132,3294cyclictest27496-21kworker/0:009:09:550
169459973124044,3218cyclictest30793-21kworker/0:108:08:570
169459972203788,3418cyclictest22772-21kworker/0:208:53:370
169459971673868,3248cyclictest30793-21kworker/0:107:56:330
169459971313754,3326cyclictest7266-21kworker/0:207:22:340
169459969813777,3194cyclictest22772-21kworker/0:208:55:110
169459967493765,2934cyclictest11483-21kworker/0:008:19:580
169459967233599,3120cyclictest7266-21kworker/0:207:35:050
169459964573235,3207cyclictest30793-21kworker/0:108:00:200
169459962903125,3135cyclictest27496-21kworker/0:009:12:370
169459961883319,2855cyclictest30793-21kworker/0:108:11:220
169459961643368,2745cyclictest7266-21kworker/0:207:33:300
169459960463045,2971cyclictest11483-21kworker/0:008:24:080
169459939322279,1639cyclictest14569-21kworker/0:108:38:580
162582806182,203sleep00-21swapper07:05:240
169459953955,414cyclictest27770-21chrt11:28:040
16945995371,522cyclictest0-21swapper10:46:260
169459952632,434cyclictest20055-21kworker/u2:012:33:230
169459952456,285cyclictest5621-21ssh10:38:020
169459952031,428cyclictest30213-21diskmemload11:47:530
169459951787,370cyclictest966-21ssh09:15:270
169459951455,274cyclictest15267-21rm12:12:210
169459951155,395cyclictest32222-21munin-node10:25:370
169459951055,394cyclictest13350-21ssh09:41:470
169459950855,393cyclictest30213-21diskmemload09:34:410
169459950755,392cyclictest7039-21ssh10:41:040
169459949555,378cyclictest20393-21ssh11:11:080
169459948955,259cyclictest29369-21ssh11:31:210
169459948955,258cyclictest27282-21ssh10:14:580
169459948632,393cyclictest16848-21ssh11:03:390
169459948432,390cyclictest25441-21ssh11:22:280
169459948334,387cyclictest23107-21ssh10:05:200
169459948153,413cyclictest4305-21snmpd11:59:450
169459947455,358cyclictest30213-21diskmemload11:42:530
169459947255,356cyclictest30213-21diskmemload11:17:490
169459947252,360cyclictest4088-21smartctl09:21:210
169459947055,355cyclictest5664-21ssh11:50:560
169459947055,346cyclictest9982-21ssh12:00:530
169459946053,347cyclictest18864-21ssh11:07:390
169459945455,224cyclictest29002-21runrttasks12:44:280
169459945429,410cyclictest11241-21awk10:50:470
169459945392,348cyclictest11-21ksoftirqd/009:46:230
169459945356,337cyclictest0-21swapper12:18:280
169459945055,382cyclictest6116-21strings09:26:010
169459945055,380cyclictest11657-21seq09:39:240
169459944973,91cyclictest30213-21diskmemload10:17:390
169459944969,90cyclictest2755-21fschecks_time10:31:290
169459944355,374cyclictest17874-21ssh09:52:170
169459944331,397cyclictest22348-21ssh12:29:290
169459944191,338cyclictest351950irq/10-yenta12:07:560
169459944155,364cyclictest32351-21ssh11:38:470
169459943866,360cyclictest25647-21strings12:36:030
169459943455,365cyclictest22646-21ssh10:03:540
169459943130,387cyclictest30213-21diskmemload12:23:550
169459941752,352cyclictest30213-21diskmemload10:58:580
169459941455,345cyclictest30213-21diskmemload09:55:570
169459939950,289cyclictest31801-21sort10:25:060
169459939853,345cyclictest0-21swapper08:48:590
169459938334,349cyclictest0-21swapper08:42:550
169459936755,253cyclictest28246-21seq09:04:040
169459936530,319cyclictest1850-21latency_hist07:55:020
169459936132,315cyclictest14057-21sed08:25:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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