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2026-08-21 - 07:31
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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 Aug 21, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
44082205190,11sleep10-21swapper/119:09:121
42402195161,29sleep30-21swapper/319:07:023
41392187170,12sleep00-21swapper/019:05:460
22462171154,13sleep20-21swapper/219:05:082
130042460,0sleep10-21swapper/119:25:131
271402450,0sleep10-21swapper/100:23:111
158552450,0sleep00-21swapper/022:05:490
58062430,0sleep00-21swapper/023:39:460
318482420,0sleep20-21swapper/221:41:252
172642120,0sleep30-21swapper/300:18:073
260982100,0sleep20-21swapper/223:00:172
16473290,0sleep30-21swapper/322:06:123
46449982,3cyclictest5087-21munin-run21:45:000
12883280,0sleep10-21swapper/122:53:581
46579972,2cyclictest0-21swapper/322:50:123
46579971,2cyclictest40-21ksoftirqd/323:11:293
46579971,1cyclictest40-21ksoftirqd/323:40:283
46579971,1cyclictest40-21ksoftirqd/323:15:243
46579971,1cyclictest40-21ksoftirqd/300:02:273
46579971,1cyclictest40-21ksoftirqd/300:02:263
46579971,1cyclictest0-21swapper/323:05:113
46579971,1cyclictest0-21swapper/322:40:103
46579971,0cyclictest0-21swapper/321:45:133
46579970,6cyclictest0-21swapper/319:25:123
46579970,3cyclictest30724-21/usr/sbin/munin00:25:223
46579970,1cyclictest40-21ksoftirqd/322:34:293
46579970,1cyclictest40-21ksoftirqd/321:56:423
46579970,1cyclictest40-21ksoftirqd/300:30:523
46579970,1cyclictest0-21swapper/322:46:263
46579970,1cyclictest0-21swapper/322:36:453
46579970,1cyclictest0-21swapper/319:10:133
46449970,6cyclictest0-21swapper/022:35:110
46579964,1cyclictest205-21systemd-journal20:30:013
46579963,0cyclictest40-21ksoftirqd/321:50:223
46579961,2cyclictest40-21ksoftirqd/321:35:213
46579961,1cyclictest40-21ksoftirqd/323:46:343
46579961,1cyclictest40-21ksoftirqd/323:35:353
46579961,1cyclictest40-21ksoftirqd/323:30:133
46579961,1cyclictest40-21ksoftirqd/323:02:393
46579961,1cyclictest40-21ksoftirqd/322:57:463
46579961,1cyclictest40-21ksoftirqd/322:20:323
46579961,1cyclictest40-21ksoftirqd/322:00:553
46579961,1cyclictest40-21ksoftirqd/321:41:533
46579961,1cyclictest40-21ksoftirqd/321:21:373
46579961,1cyclictest40-21ksoftirqd/321:17:533
46579961,1cyclictest40-21ksoftirqd/321:10:153
46579961,1cyclictest40-21ksoftirqd/320:10:123
46579961,1cyclictest40-21ksoftirqd/300:22:143
46579961,1cyclictest40-21ksoftirqd/300:10:023
46579961,1cyclictest40-21ksoftirqd/300:05:413
46579961,1cyclictest0-21swapper/323:56:043
46579961,1cyclictest0-21swapper/323:25:103
46579961,1cyclictest0-21swapper/322:25:173
46579961,1cyclictest0-21swapper/321:25:023
46579961,1cyclictest0-21swapper/300:36:533
46579961,0cyclictest0-21swapper/321:00:193
46579960,1cyclictest40-21ksoftirqd/321:31:313
46579960,1cyclictest32050-21apt-get23:20:113
46579960,1cyclictest0-21swapper/323:50:183
46579960,1cyclictest0-21swapper/322:15:163
46579960,1cyclictest0-21swapper/322:10:123
46579960,1cyclictest0-21swapper/320:15:143
46449961,4cyclictest0-21swapper/019:15:120
46449960,6cyclictest0-21swapper/023:56:240
46449960,6cyclictest0-21swapper/021:18:100
46579951,1cyclictest40-21ksoftirqd/320:35:153
46579951,1cyclictest23056-21apt-get19:45:103
46579951,1cyclictest0-21swapper/320:25:113
46579950,4cyclictest7724-21cat19:15:013
46579950,4cyclictest40-21ksoftirqd/320:10:013
46579950,4cyclictest0-21swapper/320:20:103
46579950,4cyclictest0-21swapper/319:35:093
46579950,2cyclictest0-21swapper/319:31:593
46579950,1cyclictest40-21ksoftirqd/321:05:203
46579950,1cyclictest0-21swapper/320:55:123
46579950,1cyclictest0-21swapper/320:50:113
46579950,1cyclictest0-21swapper/319:40:123
46539950,5cyclictest3442-21kernelversion23:05:152
46539950,5cyclictest28005-21apt-get21:00:022
46539950,5cyclictest0-21swapper/222:03:322
46539950,4cyclictest7191-21munin-node19:15:012
46539950,0cyclictest0-21swapper/223:58:202
46539950,0cyclictest0-21swapper/222:32:032
46489951,2cyclictest0-21swapper/122:55:111
46489951,2cyclictest0-21swapper/121:30:121
46489950,5cyclictest0-21swapper/123:49:061
46489950,5cyclictest0-21swapper/123:36:271
46489950,5cyclictest0-21swapper/123:19:161
46489950,5cyclictest0-21swapper/121:49:401
46449955,0cyclictest0-21swapper/021:45:100
46449950,5cyclictest0-21swapper/023:05:550
46449950,5cyclictest0-21swapper/022:15:260
46449950,5cyclictest0-21swapper/022:11:560
46449950,4cyclictest22625-21latency_hist19:45:000
46579942,0cyclictest40-21ksoftirqd/320:00:123
46579940,4cyclictest0-21swapper/320:40:113
46579940,4cyclictest0-21swapper/319:55:113
46579940,1cyclictest0-21swapper/320:45:073
46579940,1cyclictest0-21swapper/319:50:023
46579940,1cyclictest0-21swapper/319:20:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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