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2026-09-07 - 14:37
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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 Mon Sep 07, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
274662202188,10sleep10-21swapper/107:09:241
273182196180,12sleep30-21swapper/307:07:303
274372187172,11sleep00-21swapper/007:09:030
271982181163,13sleep20-21swapper/207:05:552
254542680,1sleep02767299cyclictest09:58:570
4122520,0sleep10-21swapper/110:18:361
251412460,0sleep10-21swapper/108:05:201
244742460,0sleep10-21swapper/110:45:581
76562450,0sleep00-21swapper/011:26:040
257312450,0sleep10-21swapper/111:51:111
300372440,0sleep10-21swapper/109:13:011
51362430,0sleep10-21swapper/109:32:441
69642100,0sleep20-21swapper/209:33:522
2768799102,2cyclictest0-21swapper/312:10:123
256452100,0sleep30-21swapper/310:30:273
5016290,0sleep041ktimersoftd/009:48:480
276729992,3cyclictest6273-21perf11:10:000
276879984,3cyclictest4900-21apt-get12:30:103
276729980,4cyclictest3930-21munin-run11:25:010
276879971,2cyclictest0-21swapper/307:35:153
276879971,1cyclictest40-21ksoftirqd/312:23:523
276879971,1cyclictest0-21swapper/310:45:163
276879971,1cyclictest0-21swapper/309:55:123
276879971,1cyclictest0-21swapper/308:35:113
276879971,1cyclictest0-21swapper/308:10:113
276879970,3cyclictest32502-21perl09:30:143
276879970,1cyclictest0-21swapper/312:01:073
276879970,1cyclictest0-21swapper/311:29:413
276879970,1cyclictest0-21swapper/309:14:403
276729971,3cyclictest25123-21perf10:15:020
276879962,3cyclictest0-21swapper/308:05:103
276879962,2cyclictest0-21swapper/310:05:113
276879962,1cyclictest0-21swapper/311:50:113
276879962,1cyclictest0-21swapper/310:10:133
276879962,1cyclictest0-21swapper/309:20:123
276879961,2cyclictest31842-21ssh11:38:393
276879961,1cyclictest40-21ksoftirqd/311:57:573
276879961,1cyclictest40-21ksoftirqd/311:31:003
276879961,1cyclictest40-21ksoftirqd/311:10:063
276879961,1cyclictest40-21ksoftirqd/310:54:023
276879961,1cyclictest40-21ksoftirqd/309:16:093
276879961,1cyclictest28100-21strings11:20:153
276879961,1cyclictest0-21swapper/312:29:133
276879961,1cyclictest0-21swapper/311:40:063
276879961,1cyclictest0-21swapper/311:05:153
276879961,1cyclictest0-21swapper/310:55:153
276879961,1cyclictest0-21swapper/310:35:163
276879961,1cyclictest0-21swapper/310:26:343
276879961,1cyclictest0-21swapper/310:16:343
276879961,1cyclictest0-21swapper/309:41:103
276879961,1cyclictest0-21swapper/309:41:103
276879961,1cyclictest0-21swapper/309:35:153
276879961,1cyclictest0-21swapper/309:35:153
276879960,5cyclictest0-21swapper/310:20:123
276879960,4cyclictest5100-21python08:30:183
276879960,1cyclictest40-21ksoftirqd/312:07:333
276879960,1cyclictest40-21ksoftirqd/310:40:553
276879960,1cyclictest40-21ksoftirqd/309:25:153
276879960,1cyclictest0-21swapper/311:45:203
276879960,1cyclictest0-21swapper/311:15:583
276879960,1cyclictest0-21swapper/311:00:043
276879960,1cyclictest0-21swapper/309:54:583
276879960,1cyclictest0-21swapper/309:47:433
276879960,1cyclictest0-21swapper/309:00:133
276779962,2cyclictest0-21swapper/112:15:101
276729960,3cyclictest26853-21munin-run12:25:010
276879951,1cyclictest40-21ksoftirqd/312:15:113
276879951,1cyclictest40-21ksoftirqd/308:40:183
276879951,0cyclictest0-21swapper/307:50:123
276879950,5cyclictest0-21swapper/307:40:173
276879950,4cyclictest22453-21sort09:05:203
276879950,3cyclictest0-21swapper/310:00:123
276879950,1cyclictest40-21ksoftirqd/307:55:123
276879950,1cyclictest0-21swapper/312:35:123
276879950,1cyclictest0-21swapper/308:15:123
276879950,1cyclictest0-21swapper/308:00:133
276879950,1cyclictest0-21swapper/307:45:133
276879950,1cyclictest0-21swapper/307:30:113
276879950,1cyclictest0-21swapper/307:20:163
276879950,1cyclictest0-21swapper/307:15:153
276829950,5cyclictest0-21swapper/209:42:292
276829950,5cyclictest0-21swapper/209:42:292
276829950,5cyclictest0-21swapper/209:28:472
276829950,5cyclictest0-21swapper/207:45:112
276829950,4cyclictest27806-21apt-get07:10:122
276779955,0cyclictest0-21swapper/109:55:101
276779950,5cyclictest0-21swapper/112:24:441
276729950,5cyclictest0-21swapper/010:40:300
276729950,5cyclictest0-21swapper/009:32:160
276729950,4cyclictest0-21swapper/010:30:120
276729950,4cyclictest0-21swapper/008:10:110
276729950,0cyclictest0-21swapper/007:30:190
24040250,0sleep10-21swapper/111:18:371
14190250,0sleep00-21swapper/010:57:140
276879942,2cyclictest3579-21apt-get07:25:123
276879941,2cyclictest0-21swapper/308:20:133
276879941,1cyclictest0-21swapper/308:55:103
276879940,3cyclictest11385-21seq08:45:123
276879940,1cyclictest0-21swapper/308:50:183
276879940,1cyclictest0-21swapper/307:10:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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