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2026-06-21 - 23:53
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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 Sun Jun 21, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
179299997045149,4544cyclictest2752-21kworker/0:007:16:150
179299990404741,4292cyclictest2752-21kworker/0:007:12:110
176032747182,178sleep00-21swapper07:07:560
179299949017,412cyclictest30716-21diskmemload11:10:070
179299948834,440cyclictest30716-21diskmemload11:17:540
179299948834,440cyclictest23237-21ssh12:35:100
179299948734,439cyclictest17767-21ssh09:53:540
179299948632,440cyclictest2806-21sh11:47:080
179299948432,439cyclictest31242-21ssh11:38:560
179299947334,368cyclictest29083-21ntp_states09:05:170
179299947132,425cyclictest27815-31apt-get07:35:520
17929994701,407cyclictest30716-21diskmemload10:32:480
179299943296,162cyclictest13-21rcuc/009:15:050
179299943233,375cyclictest30716-21diskmemload11:22:540
179299943035,381cyclictest345450irq/10-yenta12:27:220
179299942433,376cyclictest28874-21ssh11:33:010
179299942339,369cyclictest17920-21cyclictest10:42:570
179299942040,366cyclictest17920-21cyclictest08:55:570
179299941632,369cyclictest13624-21runrttasks08:21:120
179299941537,362cyclictest21061-21sshd08:41:220
179299941435,319cyclictest11205-21ssh09:38:480
179299941236,315cyclictest24677-21munin-node10:10:480
179299941040,300cyclictest63552sleep009:26:390
179299941035,314cyclictest160292chrt11:04:080
179299940951,343cyclictest30716-21diskmemload12:21:380
179299940940,308cyclictest5236-21ssh10:39:460
179299940933,79cyclictest30716-21diskmemload09:24:270
179299940932,307cyclictest10792-21kworker/u2:010:51:540
179299940921,318cyclictest8051-31mandb08:06:540
179299940845,349cyclictest13-21rcuc/010:26:370
179299940833,361cyclictest10792-21kworker/u2:010:57:060
179299940735,310cyclictest13578-21kworker/u2:209:45:430
179299940633,359cyclictest9055-21ssh10:46:580
179299940632,360cyclictest8860-21diskmemload09:32:560
179299940632,351cyclictest11612-21ssh12:06:550
179299940554,338cyclictest345450irq/10-yenta11:29:160
179299940437,307cyclictest30742-21runrttasks10:23:240
179299940324,317cyclictest4916-21ssh11:51:380
179299940217,322cyclictest25015-21seq08:53:450
179299940152,288cyclictest30716-21diskmemload12:30:190
179299940037,191cyclictest13296-21runrttasks09:43:170
179299939936,303cyclictest3092-21kworker/u2:112:04:580
179299939932,351cyclictest30716-21diskmemload10:03:180
179299939835,349cyclictest18809-21ssh09:55:490
179299939833,192cyclictest10723-21grep08:15:230
179299939734,348cyclictest16233-21sshd12:18:220
179299939734,302cyclictest25131-21hddtemp_smartct07:25:570
179299939639,295cyclictest1441-21awk07:50:350
179299939632,190cyclictest27033-21perl07:31:010
179299939618,0cyclictest14837-21sort08:25:350
179299939432,88cyclictest23042-21strings07:20:430
17929993941,378cyclictest13820-21ssh12:12:040
179299939334,359cyclictest0-21swapper08:33:360
179299939234,295cyclictest5107-21munin-node08:00:270
179299939216,315cyclictest2089-21seq09:17:240
179299939132,298cyclictest6091-21ssh11:55:300
179299939120,0cyclictest30716-21diskmemload11:09:130
179299939034,295cyclictest4537-21sshd07:59:230
179299938817,300cyclictest29856-21sed07:40:190
179299938732,341cyclictest30716-21diskmemload10:19:150
179299938731,296cyclictest24213-21runrttasks10:08:210
179299938633,339cyclictest988-21ssh11:43:580
179299938536,288cyclictest22528-21sort08:45:510
179299938335,178cyclictest17900-21grep08:35:130
179299937732,283cyclictest8647-21munin-node08:10:110
1792999372102,88cyclictest11-21ksoftirqd/007:48:370
179299936331,317cyclictest28308-21cstates09:01:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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