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2026-09-11 - 11:15
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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 Sep 11, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
133312203186,12sleep10-21swapper/119:05:351
123912203186,12sleep30-21swapper/319:05:213
136132195178,12sleep00-21swapper/019:08:180
137332176160,12sleep20-21swapper/219:09:542
222942620,0sleep10-21swapper/123:25:291
287712460,0sleep30-21swapper/321:51:033
58022440,0sleep10-21swapper/100:06:291
161152430,0sleep00-21swapper/021:12:370
30192110,0sleep30-21swapper/323:49:223
14894290,0sleep00-21swapper/000:11:010
139169992,3cyclictest22418-21perf19:25:000
139269980,8cyclictest0-21swapper/321:58:113
139169981,3cyclictest12609-21munin-run22:00:010
139269970,7cyclictest9985-21diskmemload00:16:243
139269970,7cyclictest0-21swapper/323:02:423
139269970,7cyclictest0-21swapper/322:46:433
139269970,7cyclictest0-21swapper/300:14:003
30773260,0sleep030777-21gltestperf23:30:170
139269962,4cyclictest0-21swapper/300:29:123
139269960,6cyclictest0-21swapper/323:55:023
139269960,6cyclictest0-21swapper/323:53:183
139269960,6cyclictest0-21swapper/323:41:413
139269960,6cyclictest0-21swapper/323:38:093
139269960,6cyclictest0-21swapper/323:30:583
139269960,6cyclictest0-21swapper/323:25:303
139269960,6cyclictest0-21swapper/323:15:183
139269960,6cyclictest0-21swapper/323:11:413
139269960,6cyclictest0-21swapper/322:55:063
139269960,6cyclictest0-21swapper/322:50:063
139269960,6cyclictest0-21swapper/322:40:053
139269960,6cyclictest0-21swapper/322:36:043
139269960,6cyclictest0-21swapper/322:31:323
139269960,6cyclictest0-21swapper/322:20:453
139269960,6cyclictest0-21swapper/322:15:583
139269960,6cyclictest0-21swapper/322:11:293
139269960,6cyclictest0-21swapper/322:05:093
139269960,6cyclictest0-21swapper/322:00:273
139269960,6cyclictest0-21swapper/321:45:593
139269960,6cyclictest0-21swapper/321:41:073
139269960,6cyclictest0-21swapper/321:35:533
139269960,6cyclictest0-21swapper/321:31:043
139269960,6cyclictest0-21swapper/321:25:163
139269960,6cyclictest0-21swapper/321:17:513
139269960,6cyclictest0-21swapper/300:36:473
139269960,6cyclictest0-21swapper/300:31:313
139269960,6cyclictest0-21swapper/300:20:083
139269960,6cyclictest0-21swapper/300:06:093
139269960,5cyclictest12502-21ssh23:05:023
139269960,1cyclictest9835-21ssh23:20:023
139269960,1cyclictest3168-21ssh21:22:093
139269960,1cyclictest0-21swapper/322:26:513
18492250,0sleep20-21swapper/222:19:052
17816250,0sleep217819-21latency_hist21:30:012
139269952,3cyclictest0-21swapper/300:00:043
139269950,5cyclictest0-21swapper/319:10:023
139269950,4cyclictest0-21swapper/320:10:113
139259955,0cyclictest9752-21ssh22:14:532
139259955,0cyclictest0-21swapper/223:10:012
139259954,1cyclictest0-21swapper/221:40:242
139259951,2cyclictest0-21swapper/221:35:122
139259950,5cyclictest0-21swapper/200:09:142
139259950,4cyclictest27065-21ssh23:45:102
139259950,4cyclictest0-21swapper/223:15:102
139259950,1cyclictest91rcu_sched19:15:012
139259950,1cyclictest22615-21grep20:30:012
139259950,1cyclictest22615-21grep20:30:012
139259950,0cyclictest0-21swapper/223:27:032
139259950,0cyclictest0-21swapper/221:19:532
139209952,2cyclictest0-21swapper/122:40:121
139169950,5cyclictest0-21swapper/021:34:490
139169950,4cyclictest26505-21hddtemp_smartct21:50:140
27381240,0sleep00-21swapper/000:00:520
25708240,3sleep00-21swapper/022:05:430
139269944,0cyclictest1789-21kworker/3:021:11:543
139269944,0cyclictest1789-21kworker/3:019:19:563
139269944,0cyclictest0-21swapper/320:25:053
139269944,0cyclictest0-21swapper/320:25:053
139269943,1cyclictest6439-21needreboot19:55:153
139269941,1cyclictest0-21swapper/320:15:123
139269940,4cyclictest0-21swapper/320:52:353
139269940,4cyclictest0-21swapper/320:30:113
139269940,4cyclictest0-21swapper/319:50:113
139269940,3cyclictest9988-21munin-run20:05:013
139269940,3cyclictest3723-21/usr/sbin/munin20:55:153
139269940,3cyclictest30792-21df_inode20:45:133
139269940,3cyclictest30788-21perl19:40:143
139269940,3cyclictest27795-21/usr/sbin/munin20:40:143
139269940,3cyclictest2055-21sshd19:46:253
139269940,3cyclictest10211-21/usr/sbin/munin20:05:173
139269940,3cyclictest0-21swapper/320:20:183
139259944,0cyclictest0-21swapper/223:43:552
139259944,0cyclictest0-21swapper/221:59:102
139259944,0cyclictest0-21swapper/220:35:122
139259944,0cyclictest0-21swapper/220:15:072
139259944,0cyclictest0-21swapper/200:27:172
139259943,1cyclictest3015-21grep20:55:132
139259943,1cyclictest27533-21sed21:50:212
139259941,2cyclictest32745-21cat00:20:162
139259941,2cyclictest0-21swapper/222:00:122
139259941,2cyclictest0-21swapper/221:45:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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