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2025-12-02 - 22:21
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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 rack5slot2.osadl.org (updated Tue Dec 02, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
326602188170,13sleep10-21swapper/107:07:031
3892186168,13sleep30-21swapper/307:09:293
326012179159,14sleep00-21swapper/007:06:180
326252170153,12sleep20-21swapper/207:06:362
163092480,0sleep30-21swapper/310:56:213
151402450,0sleep20-21swapper/212:17:152
117642440,0sleep3381rcuc/312:15:183
209842430,0sleep30-21swapper/312:04:183
67622420,0sleep00-21swapper/010:03:210
233232420,0sleep10-21swapper/112:05:171
221552420,0sleep20-21swapper/212:37:162
6332400,0sleep0635-21cpuspeed11:05:140
54662380,0sleep10-21swapper/111:23:451
209552380,0sleep20-21swapper/209:21:402
310712350,0sleep3391ktimersoftd/310:15:173
115752110,0sleep30-21swapper/311:42:573
62899102,4cyclictest4686-21idleruntime-cro10:35:010
14052100,0sleep20-21swapper/211:21:102
6289991,4cyclictest9545-21munin-run12:14:590
6379971,5cyclictest0-21swapper/212:20:122
6289973,4cyclictest26031-21awk09:05:000
7517260,0sleep20-21swapper/209:30:562
6329961,4cyclictest0-21swapper/107:10:111
6289961,5cyclictest3202-21kworker/0:210:25:220
6289960,3cyclictest28484-21diskmemload12:35:000
6469955,0cyclictest32635-21kworker/3:108:57:153
6469955,0cyclictest32635-21kworker/3:108:12:273
6469955,0cyclictest18959-21kworker/3:012:29:563
6469955,0cyclictest18959-21kworker/3:012:07:353
6469955,0cyclictest18959-21kworker/3:011:56:233
6469955,0cyclictest0-21swapper/310:43:293
6469954,1cyclictest0-21swapper/308:08:213
6469950,5cyclictest27087-21ssh09:57:033
6469950,5cyclictest0-21swapper/310:52:203
6469950,5cyclictest0-21swapper/310:00:133
6469950,5cyclictest0-21swapper/307:45:113
6469950,4cyclictest381rcuc/311:10:023
6469950,4cyclictest17655-21apt-get10:25:133
6469950,0cyclictest0-21swapper/311:01:143
6379955,0cyclictest0-21swapper/211:36:372
6379950,5cyclictest0-21swapper/212:00:382
6379950,5cyclictest0-21swapper/211:01:412
6379950,4cyclictest28016-21ssh11:50:462
6379950,4cyclictest19949-21ssh10:10:132
6379950,4cyclictest0-21swapper/208:19:592
6329951,3cyclictest0-21swapper/112:25:131
6329951,3cyclictest0-21swapper/110:55:131
6329951,3cyclictest0-21swapper/110:50:131
6329951,2cyclictest0-21swapper/112:00:091
6329951,2cyclictest0-21swapper/109:00:121
6329950,5cyclictest0-21swapper/111:52:221
6329950,5cyclictest0-21swapper/111:05:121
6329950,5cyclictest0-21swapper/110:05:251
6329950,5cyclictest0-21swapper/109:57:161
6329950,5cyclictest0-21swapper/109:24:401
6289955,0cyclictest0-21swapper/012:23:200
6289952,3cyclictest3202-21kworker/0:212:05:080
6289951,4cyclictest6758-21ssh12:30:000
6289950,5cyclictest3202-21kworker/0:211:35:170
6289950,5cyclictest0-21swapper/010:44:330
6289950,0cyclictest0-21swapper/009:58:070
13985250,0sleep00-21swapper/012:00:150
6469944,0cyclictest32635-21kworker/3:109:30:483
6469944,0cyclictest32635-21kworker/3:109:08:273
6469944,0cyclictest32635-21kworker/3:107:50:043
6469944,0cyclictest32635-21kworker/3:107:38:523
6469944,0cyclictest18959-21kworker/3:011:33:583
6469944,0cyclictest0-21swapper/308:32:223
6469942,1cyclictest875-21ssh10:32:383
6469942,1cyclictest6489-21/usr/sbin/munin07:20:153
6469941,3cyclictest11303-21sh11:26:083
6469940,4cyclictest18611-21apt-get08:50:123
6469940,4cyclictest0-21swapper/312:10:133
6469940,4cyclictest0-21swapper/311:35:133
6469940,4cyclictest0-21swapper/310:20:023
6469940,4cyclictest0-21swapper/310:06:403
6469940,4cyclictest0-21swapper/309:52:533
6469940,4cyclictest0-21swapper/309:45:233
6469940,4cyclictest0-21swapper/309:40:463
6469940,4cyclictest0-21swapper/309:25:133
6469940,4cyclictest0-21swapper/308:40:133
6469940,4cyclictest0-21swapper/308:35:113
6469940,4cyclictest0-21swapper/308:20:113
6469940,4cyclictest0-21swapper/307:15:103
6469940,3cyclictest7743-21expr12:30:133
6469940,3cyclictest28711-21sh09:10:013
6469940,3cyclictest26806-21df_inode08:00:133
6469940,3cyclictest26232-21latency_hist08:00:013
6469940,3cyclictest20825-21fschecks_time12:20:163
6469940,3cyclictest18797-21cat07:45:003
6469940,3cyclictest17351-21df_inode09:20:143
6469940,3cyclictest15334-21sh11:45:113
6469940,1cyclictest8045-21grep09:15:193
6469940,1cyclictest6650-21ntp_states10:35:203
6469940,1cyclictest6242-21/usr/sbin/munin08:25:163
6469940,1cyclictest30439-21/usr/sbin/munin11:20:163
6469940,1cyclictest25315-21/usr/sbin/munin11:50:203
6469940,1cyclictest21284-21perl11:15:143
6469940,1cyclictest19232-21users12:35:233
6469940,0cyclictest0-21swapper/307:10:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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