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2026-06-26 - 16:45
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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 Jun 26, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
212352238223,11sleep10-21swapper/107:05:021
232502196178,13sleep00-21swapper/007:07:180
232382187171,12sleep30-21swapper/307:07:093
231602173156,12sleep20-21swapper/207:06:082
242682460,0sleep10-21swapper/108:15:001
5882450,0sleep20-21swapper/212:27:312
285092370,0sleep10-21swapper/107:15:231
130552100,0sleep10-21swapper/111:45:171
236449991,6cyclictest0-21swapper/307:20:123
236409997,0cyclictest31-21ksoftirqd/212:30:102
21318290,0sleep30-21swapper/312:37:373
236379981,6cyclictest0-21swapper/011:45:110
236449970,6cyclictest0-21swapper/309:15:123
236379970,3cyclictest6861-21munin-run10:55:010
31879260,0sleep10-21swapper/109:31:231
236409964,0cyclictest31-21ksoftirqd/212:09:592
236409960,6cyclictest0-21swapper/211:10:022
236389960,6cyclictest0-21swapper/109:40:161
1956260,1sleep22028-21aten2_r5power_p08:35:122
30535250,0sleep00-21swapper/009:30:340
236449950,5cyclictest0-21swapper/312:25:113
236449950,5cyclictest0-21swapper/311:00:263
236449950,4cyclictest29443-21apt-get08:25:123
236449950,4cyclictest10230-21/usr/sbin/munin12:00:133
236409955,0cyclictest31-21ksoftirqd/211:40:002
236409955,0cyclictest31-21ksoftirqd/209:45:112
236409955,0cyclictest31-21ksoftirqd/209:05:012
236409955,0cyclictest31-21ksoftirqd/208:55:112
236409955,0cyclictest31-21ksoftirqd/208:45:122
236409955,0cyclictest31-21ksoftirqd/208:15:112
236409954,1cyclictest31-21ksoftirqd/211:40:132
236409954,1cyclictest15412-21ssh09:23:492
236409953,2cyclictest31-21ksoftirqd/211:01:372
236409953,1cyclictest31-21ksoftirqd/212:20:112
236409953,0cyclictest31-21ksoftirqd/209:50:122
236409951,2cyclictest0-21swapper/210:00:122
236409950,5cyclictest11602-21ssh12:00:242
236409950,5cyclictest0-21swapper/212:18:182
236409950,5cyclictest0-21swapper/210:53:282
236409950,5cyclictest0-21swapper/210:27:342
236409950,1cyclictest31-21ksoftirqd/207:35:112
236409950,1cyclictest31-21ksoftirqd/207:35:112
236409950,0cyclictest81rcu_preempt09:15:182
236409950,0cyclictest0-21swapper/209:56:432
236389954,1cyclictest0-21swapper/112:23:491
236389951,2cyclictest0-21swapper/111:35:121
236389951,2cyclictest0-21swapper/109:35:101
236389951,2cyclictest0-21swapper/109:10:121
236389950,5cyclictest0-21swapper/111:08:091
236389950,5cyclictest0-21swapper/111:02:291
236389950,5cyclictest0-21swapper/110:32:041
236389950,5cyclictest0-21swapper/110:06:361
236389950,4cyclictest0-21swapper/110:15:291
236389950,0cyclictest0-21swapper/112:00:491
236379955,0cyclictest0-21swapper/010:39:090
236379950,5cyclictest0-21swapper/011:59:360
236379950,5cyclictest0-21swapper/009:05:110
236379950,4cyclictest5278-21apt-get12:30:100
5095240,0sleep30-21swapper/311:41:213
29104240,0sleep029103-21open_files11:05:180
236449944,0cyclictest26213-21kworker/3:208:32:173
236449944,0cyclictest26213-21kworker/3:208:09:533
236449944,0cyclictest26213-21kworker/3:207:58:413
236449944,0cyclictest26213-21kworker/3:207:47:323
236449944,0cyclictest0-21swapper/312:16:063
236449944,0cyclictest0-21swapper/311:11:483
236449944,0cyclictest0-21swapper/310:34:413
236449944,0cyclictest0-21swapper/310:18:063
236449944,0cyclictest0-21swapper/309:56:433
236449943,1cyclictest57150irq/125-eth011:50:103
236449943,1cyclictest25750-21ntp_states08:15:173
236449943,1cyclictest17367-21cpuspeed_turbos08:00:123
236449942,2cyclictest57150irq/125-eth010:57:343
236449942,2cyclictest18322-21gltestperf12:20:143
236449942,1cyclictest6319-21ssh10:22:323
236449940,4cyclictest18050-21python09:40:203
236449940,4cyclictest0-21swapper/312:30:103
236449940,4cyclictest0-21swapper/311:55:093
236449940,4cyclictest0-21swapper/311:35:123
236449940,4cyclictest0-21swapper/311:15:123
236449940,4cyclictest0-21swapper/310:48:133
236449940,4cyclictest0-21swapper/310:10:113
236449940,4cyclictest0-21swapper/309:35:103
236449940,4cyclictest0-21swapper/309:30:113
236449940,4cyclictest0-21swapper/309:22:483
236449940,4cyclictest0-21swapper/309:13:433
236449940,4cyclictest0-21swapper/307:40:113
236449940,3cyclictest32485-21ssh12:10:483
236449940,3cyclictest28129-21cat11:05:133
236449940,3cyclictest27981-21irqstats07:15:193
236449940,3cyclictest25187-21sh12:07:323
236449940,3cyclictest23469-21cron07:10:013
236449940,3cyclictest20447-21sh10:29:513
236449940,3cyclictest16582-21latency_hist09:05:013
236449940,3cyclictest12783-21if_eth008:55:153
236449940,3cyclictest12565-21perl07:50:133
236449940,3cyclictest0-21swapper/309:25:123
236449940,3cyclictest0-21swapper/308:40:113
236449940,1cyclictest9920-21diskstats08:50:133
236449940,1cyclictest32292-21grep10:35:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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