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2026-08-01 - 16:28
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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 Sat Aug 01, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
176712215150,22sleep00-21swapper/007:05:390
177552209171,24sleep20-21swapper/207:06:452
158622209158,24sleep30-21swapper/307:05:023
177912201161,26sleep10-21swapper/107:07:121
147572730,0sleep20-21swapper/209:15:142
68332630,0sleep30-21swapper/311:20:143
213952570,0sleep30-21swapper/312:25:513
112482170,0sleep310742-21diskmemload09:55:153
35382150,1sleep121-21ksoftirqd/107:45:131
18092991313,0cyclictest28-21ksoftirqd/209:56:002
1808799130,12cyclictest0-21swapper/111:35:161
160392130,0sleep10-21swapper/109:15:211
18092991211,1cyclictest28-21ksoftirqd/211:15:142
18092991211,1cyclictest28-21ksoftirqd/210:23:082
18092991211,1cyclictest28-21ksoftirqd/209:50:112
18092991210,1cyclictest28-21ksoftirqd/212:20:002
1809299119,1cyclictest28-21ksoftirqd/209:35:212
18092991110,1cyclictest28-21ksoftirqd/209:42:472
18092991110,1cyclictest28-21ksoftirqd/209:30:212
18092991110,1cyclictest28-21ksoftirqd/207:35:002
18092991110,0cyclictest28-21ksoftirqd/210:29:272
1807999110,5cyclictest1133-21cut08:50:000
1807999110,4cyclictest240-21systemd-journal10:05:010
81032100,1sleep20-21swapper/212:08:212
18101991010,0cyclictest0-21swapper/311:31:183
1809299109,1cyclictest28-21ksoftirqd/212:00:212
1809299109,1cyclictest28-21ksoftirqd/211:55:192
1809299109,1cyclictest28-21ksoftirqd/211:31:542
1809299109,1cyclictest28-21ksoftirqd/210:58:022
1809299109,1cyclictest28-21ksoftirqd/210:50:182
1809299109,1cyclictest28-21ksoftirqd/210:35:152
1809299109,1cyclictest28-21ksoftirqd/209:12:542
1809299109,0cyclictest28-21ksoftirqd/210:30:152
1809299109,0cyclictest28-21ksoftirqd/210:30:142
1809299108,1cyclictest28-21ksoftirqd/207:10:162
18092991010,0cyclictest28-21ksoftirqd/211:00:112
123302100,0sleep20-21swapper/210:41:222
180929999,0cyclictest28-21ksoftirqd/212:23:582
180929999,0cyclictest28-21ksoftirqd/209:20:102
180929998,1cyclictest28-21ksoftirqd/212:35:192
180929998,1cyclictest28-21ksoftirqd/212:27:242
180929998,1cyclictest28-21ksoftirqd/211:52:492
180929998,1cyclictest28-21ksoftirqd/211:20:152
180929998,1cyclictest28-21ksoftirqd/211:13:442
180929998,1cyclictest28-21ksoftirqd/210:15:532
180929998,1cyclictest28-21ksoftirqd/210:11:062
180929998,1cyclictest28-21ksoftirqd/210:08:362
180929998,1cyclictest28-21ksoftirqd/209:49:412
180929998,1cyclictest28-21ksoftirqd/208:30:142
180929998,1cyclictest28-21ksoftirqd/208:05:142
180929997,1cyclictest28-21ksoftirqd/212:10:222
180929997,1cyclictest28-21ksoftirqd/208:35:132
180929997,1cyclictest28-21ksoftirqd/208:10:172
180799995,3cyclictest0-21swapper/010:44:490
180799993,5cyclictest13000-21perf11:30:010
180799990,5cyclictest10742-21diskmemload10:25:000
8534280,0sleep30-21swapper/310:35:303
181019987,1cyclictest35-21ksoftirqd/311:20:013
181019987,1cyclictest35-21ksoftirqd/308:19:593
181019987,1cyclictest35-21ksoftirqd/307:19:593
181019986,1cyclictest0-21swapper/310:02:283
181019985,1cyclictest35-21ksoftirqd/307:34:543
181019982,4cyclictest10742-21diskmemload12:05:203
181019980,8cyclictest2523-1kworker/u9:010:26:053
181019980,4cyclictest0-21swapper/310:32:393
181019980,4cyclictest0-21swapper/310:32:383
180929987,1cyclictest28-21ksoftirqd/211:36:212
180929987,1cyclictest28-21ksoftirqd/211:26:452
180929987,1cyclictest28-21ksoftirqd/210:45:372
180929987,1cyclictest28-21ksoftirqd/209:00:202
180929987,1cyclictest28-21ksoftirqd/208:50:142
180929987,1cyclictest28-21ksoftirqd/208:25:132
180929987,1cyclictest28-21ksoftirqd/207:25:162
180929987,1cyclictest0-21swapper/211:45:392
180929986,1cyclictest2866-21perf07:45:002
180929986,1cyclictest28-21ksoftirqd/211:41:122
180879980,5cyclictest0-21swapper/110:20:001
180799987,1cyclictest9-21ksoftirqd/010:10:170
180799986,1cyclictest9-21ksoftirqd/008:44:590
180799986,1cyclictest26439-21sh08:35:000
180799986,1cyclictest25490-21ssh11:00:150
180799986,1cyclictest11301-21snmpd07:29:240
180799982,1cyclictest12413-21/usr/sbin/munin12:15:160
180799981,4cyclictest3518-21perf08:55:010
180799980,7cyclictest9338-21ssh09:50:350
180799980,1cyclictest519-21ssh11:56:380
30761270,0sleep30-21swapper/309:35:213
181019976,1cyclictest35-21ksoftirqd/307:48:023
181019976,1cyclictest11301-21snmpd11:55:073
181019976,1cyclictest11301-21snmpd11:08:433
181019976,1cyclictest11301-21snmpd10:44:433
181019976,1cyclictest11301-21snmpd08:55:283
181019976,1cyclictest11301-21snmpd08:55:273
181019976,1cyclictest11301-21snmpd08:51:513
181019975,1cyclictest13555-21ssh09:13:093
181019975,1cyclictest10030-21ssh09:52:453
181019973,3cyclictest1-21systemd09:30:193
181019973,1cyclictest240-21systemd-journal07:15:003
181019972,4cyclictest10742-21diskmemload09:40:193
181019972,2cyclictest24553-21ssh09:27:503
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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