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2026-09-23 - 20:11
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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 Wed Sep 23, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
66162203185,13sleep30-21swapper/307:07:213
67422194178,11sleep10-21swapper/107:08:561
65982182164,13sleep00-21swapper/007:07:060
65282171153,13sleep20-21swapper/207:06:122
295952470,0sleep20-21swapper/212:06:172
181122430,0sleep30-21swapper/310:22:373
212302420,0sleep00-21swapper/012:35:130
80392410,0sleep00-21swapper/012:28:450
54182410,0sleep10-21swapper/111:21:121
699599110,3cyclictest22526-21basename07:40:010
297222100,0sleep20-21swapper/210:12:042
69959982,3cyclictest14145-21awk11:10:010
70099970,6cyclictest0-21swapper/310:05:103
70049960,4cyclictest7604-21ssh09:45:112
70009965,1cyclictest0-21swapper/109:48:561
70099955,0cyclictest9539-21kworker/3:212:36:083
70099955,0cyclictest0-21swapper/310:32:563
70099950,5cyclictest0-21swapper/312:05:373
70099950,5cyclictest0-21swapper/311:55:433
70099950,5cyclictest0-21swapper/311:37:233
70099950,5cyclictest0-21swapper/311:30:553
70099950,5cyclictest0-21swapper/311:24:003
70099950,5cyclictest0-21swapper/311:10:373
70099950,5cyclictest0-21swapper/310:48:393
70099950,0cyclictest0-21swapper/307:20:173
70049955,0cyclictest31-21ksoftirqd/207:20:012
70049955,0cyclictest0-21swapper/212:35:112
70049954,1cyclictest31-21ksoftirqd/211:40:122
70049954,1cyclictest31-21ksoftirqd/209:50:022
70049954,1cyclictest31-21ksoftirqd/209:25:122
70049954,1cyclictest31-21ksoftirqd/208:05:012
70049954,1cyclictest31-21ksoftirqd/208:05:012
70049954,1cyclictest31-21ksoftirqd/207:25:112
70049952,3cyclictest31-21ksoftirqd/210:25:122
70049950,5cyclictest0-21swapper/211:38:442
70049950,5cyclictest0-21swapper/211:16:552
70049950,5cyclictest0-21swapper/207:35:442
70049950,4cyclictest0-21swapper/207:20:112
70049950,1cyclictest30925-21ssh09:24:132
70049950,0cyclictest81rcu_preempt10:40:132
70009951,2cyclictest0-21swapper/110:25:121
70009951,2cyclictest0-21swapper/109:50:151
70009951,2cyclictest0-21swapper/109:00:121
70009951,2cyclictest0-21swapper/107:30:131
70009950,5cyclictest0-21swapper/111:49:591
70009950,5cyclictest0-21swapper/110:52:311
70009950,5cyclictest0-21swapper/109:35:501
70009950,5cyclictest0-21swapper/109:30:011
69959950,5cyclictest0-21swapper/011:35:060
69959950,5cyclictest0-21swapper/011:25:130
69959950,5cyclictest0-21swapper/011:15:190
69959950,5cyclictest0-21swapper/010:51:100
20746250,0sleep00-21swapper/009:19:050
15793250,0sleep20-21swapper/212:15:302
70099944,0cyclictest9539-21kworker/3:209:25:503
70099944,0cyclictest9539-21kworker/3:209:03:253
70099944,0cyclictest9539-21kworker/3:208:41:033
70099944,0cyclictest9539-21kworker/3:208:07:273
70099944,0cyclictest9539-21kworker/3:207:45:033
70099944,0cyclictest0-21swapper/312:10:333
70099944,0cyclictest0-21swapper/310:40:043
70099943,1cyclictest14144-21ssh09:15:183
70099941,1cyclictest0-21swapper/307:35:123
70099940,4cyclictest9144-21apt-get11:40:123
70099940,4cyclictest28376-21perl08:55:163
70099940,4cyclictest26468-21ntp_states10:10:213
70099940,4cyclictest22934-21df_inode10:25:143
70099940,4cyclictest2099-21ntp_states12:25:183
70099940,4cyclictest15064-21apt-get08:30:133
70099940,4cyclictest0-21swapper/312:20:463
70099940,4cyclictest0-21swapper/312:16:293
70099940,4cyclictest0-21swapper/311:45:023
70099940,4cyclictest0-21swapper/311:25:113
70099940,4cyclictest0-21swapper/311:15:133
70099940,4cyclictest0-21swapper/310:51:013
70099940,4cyclictest0-21swapper/310:15:113
70099940,4cyclictest0-21swapper/310:00:133
70099940,4cyclictest0-21swapper/309:55:113
70099940,4cyclictest0-21swapper/309:50:013
70099940,4cyclictest0-21swapper/309:45:023
70099940,4cyclictest0-21swapper/309:42:113
70099940,4cyclictest0-21swapper/309:35:123
70099940,4cyclictest0-21swapper/309:20:133
70099940,4cyclictest0-21swapper/309:10:543
70099940,4cyclictest0-21swapper/307:15:113
70099940,3cyclictest5446-21perl11:05:133
70099940,3cyclictest4209-21sh11:05:013
70099940,3cyclictest29390-21/usr/sbin/munin11:50:173
70099940,3cyclictest22112sleep308:02:093
70099940,3cyclictest22112sleep308:02:093
70099940,3cyclictest19957-21latency_hist08:39:593
70099940,3cyclictest19740-21sshd07:31:423
70099940,3cyclictest19239-21sed10:55:213
70099940,3cyclictest16868-21fschecks_count12:00:143
70099940,3cyclictest12968-21rm12:30:373
70099940,3cyclictest10748-21fschecks_time10:35:143
70049944,0cyclictest31-21ksoftirqd/210:05:132
70049944,0cyclictest0-21swapper/212:20:212
70049944,0cyclictest0-21swapper/211:25:212
70049944,0cyclictest0-21swapper/208:40:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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