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2026-06-02 - 14:30
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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 all highest latencies:
System rack6slot5.osadl.org (updated Tue Jun 02, 2026 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72759999085253,4644cyclictest5247-21kworker/0:207:15:580
72759990254513,4460cyclictest5247-21kworker/0:207:43:240
72759989894619,4355cyclictest5247-21kworker/0:207:45:250
72759988124646,4163cyclictest5247-21kworker/0:207:12:380
72759979683987,3965cyclictest29209-21kworker/0:208:38:130
72759979624267,3644cyclictest29209-21kworker/0:208:34:420
72759977513983,3757cyclictest5247-21kworker/0:207:20:370
72759974353837,3584cyclictest29209-21kworker/0:208:56:470
72759967103541,3118cyclictest29209-21kworker/0:208:54:300
72759964763527,2898cyclictest29209-21kworker/0:209:08:540
72759963023257,3031cyclictest29209-21kworker/0:209:10:530
72759962603311,2890cyclictest5247-21kworker/0:207:27:480
54592858183,204sleep00-21swapper07:05:120
72759966054,591cyclictest20167-21diskmemload12:39:230
7275995400,526cyclictest25534-21head09:20:450
72759952184,376cyclictest17147-21latency_hist07:35:030
72759951324,428cyclictest27399-21cat08:00:520
72759950874,373cyclictest26689-21ntpq10:40:260
72759950561,383cyclictest13-21rcuc/011:40:500
72759950525,409cyclictest20578-21munin-node10:25:390
72759948425,387cyclictest22867-21ssh11:48:340
72759948353,369cyclictest20167-21diskmemload12:41:280
72759948225,396cyclictest2244-21kworker/u2:211:24:100
72759947826,381cyclictest16115-21awk10:15:260
72759947753,363cyclictest20167-21diskmemload12:20:270
72759947554,360cyclictest20167-21diskmemload12:10:110
72759947354,358cyclictest20167-21diskmemload09:19:400
72759947338,374cyclictest6368-21strings12:26:000
72759947254,356cyclictest20167-21diskmemload10:20:100
72759947253,405cyclictest20167-21diskmemload10:55:010
72759947249,361cyclictest9449-21seq11:15:590
72759947153,347cyclictest20167-21diskmemload11:35:120
72759947041,368cyclictest30362-21munin-node08:10:490
72759946853,354cyclictest20167-21diskmemload09:37:420
72759946753,354cyclictest20167-21diskmemload10:10:430
72759946552,352cyclictest20167-21diskmemload09:50:310
72759946353,349cyclictest2677-21apt-get12:17:250
72759946236,426cyclictest0-21swapper12:03:420
72759946153,349cyclictest23987-21ssh10:33:180
72759946053,232cyclictest259942sleep010:37:420
72759945855,343cyclictest4894-21runrttasks10:59:250
72759945653,226cyclictest14759-21ssh11:30:010
72759945554,341cyclictest20167-21diskmemload09:34:090
72759945391,348cyclictest20167-21diskmemload11:51:200
7275994511,435cyclictest20167-21diskmemload10:04:490
72759945069,89cyclictest8354-21ssh11:14:100
7275994501,435cyclictest4175-21ssh11:02:130
7275994501,435cyclictest30508-21ssh10:49:090
7275994493,432cyclictest17702-21awk07:35:330
7275994490,434cyclictest20167-21diskmemload12:32:150
72759944755,378cyclictest4364-21strings08:25:470
7275994461,430cyclictest20167-21diskmemload09:44:150
7275994461,376cyclictest20167-21diskmemload12:08:480
7275994451,430cyclictest20167-21diskmemload10:07:200
72759944471,360cyclictest15742-21ssh11:31:060
7275994404,422cyclictest16946-21df_inode09:00:280
72759943752,323cyclictest20167-21diskmemload09:45:260
7275994371,375cyclictest28771-21ssh09:28:370
7275994361,375cyclictest6109-21runrttasks11:08:210
7275994361,374cyclictest9090-21ssh09:58:080
7275994331,373cyclictest27211-21ssh11:59:340
7275994312,369cyclictest0-21swapper08:42:310
72759942748,91cyclictest307-21awk08:15:330
72759942525,376cyclictest29469-21cat08:05:530
72759939235,357cyclictest0-21swapper07:57:150
72759937953,312cyclictest11806-21strings08:45:470
72759937538,0cyclictest23749-21python07:50:550
72759936593,259cyclictest11-21ksoftirqd/008:20:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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