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2025-11-29 - 14:14
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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 Fri Nov 28, 2025 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
61792199183,11sleep10-21swapper/107:09:361
59612194178,11sleep30-21swapper/307:06:493
59582188172,11sleep00-21swapper/007:06:470
60672116100,12sleep20-21swapper/207:08:122
13042550,0sleep20-21swapper/209:57:142
108112460,0sleep10-21swapper/109:14:221
168292440,0sleep316826-21aten2_r5power_v12:15:123
63949991,7cyclictest0-21swapper/311:20:113
63899960,6cyclictest0-21swapper/212:10:102
63899960,6cyclictest0-21swapper/211:33:572
63899960,6cyclictest0-21swapper/209:30:132
63949955,0cyclictest8958-21kworker/3:109:47:243
63949955,0cyclictest8958-21kworker/3:108:40:163
63949955,0cyclictest18444-21kworker/3:010:43:223
63949951,2cyclictest0-21swapper/308:20:123
63949951,2cyclictest0-21swapper/307:45:123
63949950,5cyclictest17604-21ssh11:42:413
63949950,4cyclictest0-21swapper/312:35:143
63899950,5cyclictest0-21swapper/212:17:102
63899950,5cyclictest0-21swapper/211:55:552
63899950,5cyclictest0-21swapper/211:19:322
63899950,5cyclictest0-21swapper/207:30:312
63899950,4cyclictest12434-21ssh09:15:142
63899950,0cyclictest0-21swapper/212:30:492
63859950,5cyclictest0-21swapper/112:03:091
63859950,5cyclictest0-21swapper/111:30:251
63859950,5cyclictest0-21swapper/111:20:301
63859950,5cyclictest0-21swapper/109:59:271
63799950,5cyclictest0-21swapper/010:19:230
29239250,0sleep30-21swapper/311:00:123
1008250,0sleep20-21swapper/212:06:462
63949944,0cyclictest18444-21kworker/3:011:17:003
63949944,0cyclictest0-21swapper/309:40:013
63949943,1cyclictest31852-21grep07:59:593
63949943,1cyclictest15622-21grep11:25:173
63949943,1cyclictest0-21swapper/310:18:443
63949941,3cyclictest8358-21grep12:10:183
63949941,2cyclictest0-21swapper/308:05:123
63949941,2cyclictest0-21swapper/307:25:113
63949940,4cyclictest61-21kswapd011:45:143
63949940,4cyclictest29701-21ssh10:11:113
63949940,4cyclictest14614-21ssh10:35:593
63949940,4cyclictest0-21swapper/312:32:523
63949940,4cyclictest0-21swapper/312:25:093
63949940,4cyclictest0-21swapper/312:20:053
63949940,4cyclictest0-21swapper/312:05:133
63949940,4cyclictest0-21swapper/311:35:123
63949940,4cyclictest0-21swapper/311:05:113
63949940,4cyclictest0-21swapper/310:55:123
63949940,4cyclictest0-21swapper/310:30:133
63949940,4cyclictest0-21swapper/310:29:223
63949940,4cyclictest0-21swapper/310:00:133
63949940,4cyclictest0-21swapper/309:35:143
63949940,4cyclictest0-21swapper/309:05:143
63949940,3cyclictest9118-21diskstats07:15:023
63949940,3cyclictest9118-21diskstats07:15:013
63949940,3cyclictest714-21snmpd10:20:103
63949940,3cyclictest5265-21rm09:10:543
63949940,3cyclictest4442-21sh09:26:383
63949940,3cyclictest31523-21ssh10:45:123
63949940,3cyclictest26497-21sh11:30:233
63949940,3cyclictest22692-21ssh09:20:113
63949940,3cyclictest19100-21grep09:50:153
63949940,3cyclictest16864-21df_inode10:05:133
63949940,3cyclictest14418-21ssh09:31:343
63949940,3cyclictest12968-21irqstats08:25:143
63949940,2cyclictest0-21swapper/309:15:133
63949940,1cyclictest9317-21/usr/sbin/munin10:50:203
63949940,1cyclictest32742-21which11:50:153
63949940,1cyclictest32017-21/usr/sbin/munin08:00:193
63949940,1cyclictest19244-21/usr/sbin/munin12:00:123
63949940,1cyclictest17157-21/usr/sbin/munin07:30:153
63949940,1cyclictest12225-21/usr/sbin/munin07:20:183
63899944,0cyclictest0-21swapper/210:59:102
63899944,0cyclictest0-21swapper/210:46:212
63899944,0cyclictest0-21swapper/207:39:572
63899942,1cyclictest714-21snmpd12:02:562
63899942,1cyclictest714-21snmpd10:54:132
63899941,3cyclictest18925-21ssh11:43:282
63899940,4cyclictest10784-21ssh10:18:212
63899940,4cyclictest10441-21ssh10:01:402
63899940,4cyclictest0-21swapper/211:45:582
63899940,4cyclictest0-21swapper/211:27:582
63899940,4cyclictest0-21swapper/211:05:112
63899940,4cyclictest0-21swapper/211:04:172
63899940,4cyclictest0-21swapper/210:36:272
63899940,4cyclictest0-21swapper/210:34:322
63899940,4cyclictest0-21swapper/210:25:042
63899940,4cyclictest0-21swapper/210:10:102
63899940,4cyclictest0-21swapper/210:05:122
63899940,4cyclictest0-21swapper/209:45:232
63899940,4cyclictest0-21swapper/209:35:142
63899940,4cyclictest0-21swapper/209:25:102
63899940,4cyclictest0-21swapper/209:20:232
63899940,4cyclictest0-21swapper/208:20:132
63899940,4cyclictest0-21swapper/207:20:202
63899940,3cyclictest720-21ssh12:23:112
63899940,3cyclictest5821-21ssh11:36:302
63899940,3cyclictest3686-21ntp_states09:10:162
63899940,3cyclictest31702-21ssh11:50:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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