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2025-11-30 - 19:54
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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 Sun Nov 30, 2025 12:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
130842210158,26sleep00-21swapper/007:09:360
128062205165,27sleep20-21swapper/207:06:002
129592200161,26sleep10-21swapper/107:08:011
129492200161,24sleep30-21swapper/307:07:553
101212680,1sleep010126-21cut09:15:150
13197991513,1cyclictest9-21ksoftirqd/008:05:000
13197991411,1cyclictest17906-21/usr/sbin/munin12:25:150
13218991311,1cyclictest35-21ksoftirqd/311:50:003
13197991211,1cyclictest9-21ksoftirqd/011:35:010
1321099119,1cyclictest28-21ksoftirqd/208:35:012
13210991110,1cyclictest28-21ksoftirqd/211:10:002
1319799119,1cyclictest9-21ksoftirqd/012:05:150
1319799113,4cyclictest10495-21date10:45:010
1319799113,4cyclictest0-21swapper/012:19:590
13197991110,1cyclictest9-21ksoftirqd/011:45:160
13197991110,1cyclictest9-21ksoftirqd/010:55:010
13197991110,1cyclictest9-21ksoftirqd/010:39:500
13197991110,1cyclictest9-21ksoftirqd/010:25:010
1321899108,1cyclictest35-21ksoftirqd/309:36:063
1321099100,10cyclictest0-21swapper/209:28:202
1319799109,1cyclictest9-21ksoftirqd/010:45:130
1319799109,1cyclictest9-21ksoftirqd/010:10:160
1319799109,1cyclictest9-21ksoftirqd/010:10:150
1319799109,1cyclictest9-21ksoftirqd/010:05:180
1319799109,1cyclictest9-21ksoftirqd/009:50:120
1319799109,1cyclictest9-21ksoftirqd/009:25:010
1319799109,1cyclictest9-21ksoftirqd/007:25:000
1319799108,1cyclictest9-21ksoftirqd/010:25:130
1319799103,2cyclictest25688-21basename07:34:590
1319799102,4cyclictest17590-21perf11:39:590
132189997,1cyclictest5923-21diskmemload11:33:023
132109997,1cyclictest28-21ksoftirqd/210:12:292
132109997,1cyclictest28-21ksoftirqd/210:12:292
132109990,3cyclictest0-21swapper/209:58:252
132109990,1cyclictest0-21swapper/208:05:152
131979999,0cyclictest9-21ksoftirqd/010:00:230
131979998,1cyclictest9-21ksoftirqd/012:30:170
131979997,1cyclictest26150-21head09:35:190
131979991,5cyclictest0-21swapper/007:20:010
31032280,0sleep30-21swapper/310:27:323
17212280,0sleep30-21swapper/310:09:353
132189987,1cyclictest35-21ksoftirqd/311:00:223
132189987,1cyclictest35-21ksoftirqd/310:00:483
132189987,1cyclictest35-21ksoftirqd/309:50:013
132189987,1cyclictest35-21ksoftirqd/309:50:003
132189987,1cyclictest0-21swapper/310:30:053
132189982,3cyclictest5923-21diskmemload12:31:593
132189982,2cyclictest6778-21apt-get12:10:143
132189982,2cyclictest0-21swapper/308:10:123
132189981,5cyclictest15593-21munin-node10:55:113
132189980,5cyclictest16458-21apt-get07:15:143
132109987,0cyclictest0-21swapper/209:33:382
132109986,1cyclictest60950irq/123-eno112:30:162
132109986,1cyclictest60950irq/123-eno111:45:142
132109986,1cyclictest60950irq/123-eno110:55:122
132109986,1cyclictest60950irq/123-eno110:25:002
132109985,2cyclictest1387-21tail12:00:222
132109984,2cyclictest254-21systemd-journal11:54:272
132109980,6cyclictest1738-21users11:15:242
132109980,1cyclictest254-21systemd-journal07:30:012
132039988,0cyclictest0-21swapper/112:03:511
131979988,0cyclictest9-21ksoftirqd/011:55:160
131979988,0cyclictest9-21ksoftirqd/011:55:150
131979988,0cyclictest9-21ksoftirqd/011:05:130
131979988,0cyclictest9-21ksoftirqd/009:45:160
131979988,0cyclictest9-21ksoftirqd/009:45:150
131979987,1cyclictest9-21ksoftirqd/011:40:160
131979987,1cyclictest9-21ksoftirqd/010:30:170
131979987,1cyclictest9-21ksoftirqd/008:30:130
131979986,1cyclictest9-21ksoftirqd/007:44:590
131979980,8cyclictest0-21swapper/009:40:140
131979980,7cyclictest8564-21ssh09:12:260
131979980,7cyclictest8168-21mailstats12:10:210
131979980,7cyclictest26291-21ssh12:35:320
131979980,7cyclictest1769-21ssh11:15:270
131979980,7cyclictest16708-21ssh12:23:510
24676270,0sleep10-21swapper/112:35:151
132189977,0cyclictest35-21ksoftirqd/312:29:073
132189976,1cyclictest35-21ksoftirqd/309:25:133
132189975,1cyclictest8554-21cat08:05:173
132189975,1cyclictest4288-21missed_timers12:05:173
132189975,1cyclictest31525-21cat07:45:163
132189975,1cyclictest27926-21ssh10:23:563
132189975,1cyclictest25364-21cat12:35:173
132189975,1cyclictest19996-21ntp_offset07:20:233
132189975,1cyclictest10454-21sh10:45:003
132189975,0cyclictest5923-21diskmemload09:33:173
132189974,2cyclictest35-21ksoftirqd/310:46:483
132189974,1cyclictest13403-21/usr/sbin/munin07:10:193
132189972,2cyclictest254-21systemd-journal09:45:013
132189971,1cyclictest0-21swapper/311:06:413
132189970,3cyclictest0-21swapper/311:55:023
132189970,3cyclictest0-21swapper/311:55:013
132109976,1cyclictest60950irq/123-eno112:25:172
132109976,1cyclictest60950irq/123-eno112:13:262
132109976,1cyclictest60950irq/123-eno111:57:412
132109976,1cyclictest60950irq/123-eno111:57:412
132109976,1cyclictest60950irq/123-eno111:41:342
132109976,1cyclictest60950irq/123-eno111:31:522
132109976,1cyclictest60950irq/123-eno111:25:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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