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2026-07-13 - 15:25
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackaslot8.osadl.org (updated Mon Jul 13, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
119992275244,21sleep00-21swapper/007:08:180
119912271241,20sleep20-21swapper/207:08:122
118282270243,18sleep10-21swapper/107:06:061
118982267234,22sleep30-21swapper/307:07:013
229002660,1sleep10-21swapper/110:40:161
102972630,0sleep30-21swapper/309:34:283
33462610,0sleep20-21swapper/209:10:152
310472590,3sleep334-21ksoftirqd/310:45:193
297362570,0sleep20-21swapper/211:43:442
236582570,0sleep20-21swapper/211:20:142
239732550,0sleep20-21swapper/209:22:372
117782550,0sleep30-21swapper/310:14:363
298052540,0sleep30-21swapper/311:24:073
156422200,0sleep00-21swapper/009:17:300
310842180,1sleep228-21ksoftirqd/212:23:562
149142180,0sleep00-21swapper/010:15:370
272962170,0sleep30-21swapper/312:20:573
106252170,0sleep10-21swapper/110:13:421
57002140,0sleep30-21swapper/311:29:133
268812130,0sleep30-21swapper/310:42:593
293552120,0sleep10-21swapper/111:04:201
179822120,0sleep10-21swapper/110:37:281
169262110,0sleep10-21swapper/112:35:121
141572110,0sleep20-21swapper/211:14:582
1225899119,1cyclictest28-21ksoftirqd/211:05:002
1225899101,1cyclictest28-21ksoftirqd/209:20:002
12535290,0sleep00-21swapper/010:34:510
122589997,2cyclictest28-21ksoftirqd/208:50:002
122589992,4cyclictest0-21swapper/212:35:152
122589991,6cyclictest0-21swapper/212:26:172
122589991,4cyclictest28-21ksoftirqd/210:49:472
122499997,1cyclictest12-21ksoftirqd/011:45:010
14767280,0sleep20-21swapper/212:33:452
122629985,2cyclictest34-21ksoftirqd/309:05:003
122629980,7cyclictest24422-21ssh11:00:263
122589987,1cyclictest28-21ksoftirqd/207:15:012
122589985,1cyclictest271rcuc/209:30:212
122589982,4cyclictest28-21ksoftirqd/212:10:442
122589982,4cyclictest28-21ksoftirqd/211:19:452
122589982,4cyclictest28-21ksoftirqd/210:35:162
122589982,4cyclictest28-21ksoftirqd/207:10:152
122589982,4cyclictest11457-21kworker/2:011:51:092
122589982,3cyclictest0-21swapper/210:32:092
122589981,5cyclictest28-21ksoftirqd/212:03:202
122589981,5cyclictest28-21ksoftirqd/210:50:022
122589981,5cyclictest28-21ksoftirqd/210:42:072
122589981,5cyclictest28-21ksoftirqd/207:30:182
122589981,5cyclictest0-21swapper/211:05:082
122589981,5cyclictest0-21swapper/209:36:332
122589981,4cyclictest28-21ksoftirqd/212:15:352
122589981,4cyclictest0-21swapper/211:47:092
122589981,4cyclictest0-21swapper/210:07:582
122589981,4cyclictest0-21swapper/210:07:582
122589980,6cyclictest20911-21ssh10:59:082
122589980,1cyclictest0-21swapper/210:15:142
6558270,0sleep10-21swapper/112:28:441
122629974,2cyclictest504-21dbus-daemon07:20:123
122629973,3cyclictest658-21snmpd08:42:343
122629973,3cyclictest275-21systemd-journal11:06:503
122629972,3cyclictest275-21systemd-journal07:42:323
122589976,1cyclictest271rcuc/208:25:212
122589976,1cyclictest271rcuc/208:15:192
122589975,2cyclictest28-21ksoftirqd/207:40:012
122589972,3cyclictest0-21swapper/211:25:162
122589972,3cyclictest0-21swapper/208:40:132
122589971,4cyclictest28-21ksoftirqd/212:05:192
122589971,4cyclictest28-21ksoftirqd/211:35:252
122589971,4cyclictest28-21ksoftirqd/210:00:072
122589971,4cyclictest28-21ksoftirqd/209:50:122
122589971,4cyclictest28-21ksoftirqd/209:45:312
122589971,4cyclictest28-21ksoftirqd/209:25:012
122589971,4cyclictest28-21ksoftirqd/209:00:002
122589971,4cyclictest28-21ksoftirqd/208:35:352
122589971,4cyclictest0-21swapper/211:30:492
122589971,4cyclictest0-21swapper/210:25:352
122589971,4cyclictest0-21swapper/210:10:112
122589971,4cyclictest0-21swapper/209:40:272
122589971,4cyclictest0-21swapper/207:55:352
122589971,4cyclictest0-21swapper/207:20:022
122589971,3cyclictest0-21swapper/211:55:462
122589970,5cyclictest28-21ksoftirqd/210:22:382
122589970,2cyclictest28-21ksoftirqd/208:30:122
122589970,1cyclictest12019-21apt-get09:55:132
122559973,3cyclictest658-21snmpd09:30:441
122559971,5cyclictest0-21swapper/112:30:151
122499976,1cyclictest12-21ksoftirqd/009:10:000
122499974,2cyclictest275-21systemd-journal10:50:010
122499974,1cyclictest12-21ksoftirqd/008:05:020
122499973,3cyclictest275-21systemd-journal11:57:210
122499972,3cyclictest7549-21grep12:10:000
122499972,3cyclictest275-21systemd-journal08:10:020
122499970,1cyclictest0-21swapper/009:57:580
871260,0sleep00-21swapper/011:05:580
6422260,0sleep00-21swapper/010:50:130
23123260,0sleep30-21swapper/310:20:363
122629966,0cyclictest0-21swapper/309:36:213
122629964,1cyclictest7232-21apt-get11:30:123
122629964,1cyclictest20746-21ntp_states07:25:193
122629964,1cyclictest11562-21users08:15:223
122629963,3cyclictest15329-21apt-get07:15:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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