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2025-07-07 - 22:07
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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 rack3slot6.osadl.org (updated Mon Jul 07, 2025 12:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2641729927,19sleep10-21swapper/107:06:311
26930997850,9cyclictest26-21ksoftirqd/108:50:221
26930997845,19cyclictest26-21ksoftirqd/111:08:311
26930997845,19cyclictest26-21ksoftirqd/111:08:311
26927997644,18cyclictest0-21swapper/008:20:150
2639627617,49sleep00-21swapper/007:06:180
26927997450,11cyclictest14-21ksoftirqd/007:20:110
26930997351,10cyclictest24578-21ntpq08:30:291
2693099734,62cyclictest4123-21apt-get07:35:241
26930997343,14cyclictest14899-21sshd09:35:281
2692799732,15cyclictest14-21ksoftirqd/008:15:270
26927997251,10cyclictest14-21ksoftirqd/009:30:150
26927997144,14cyclictest0-21swapper/007:25:120
2692799713,13cyclictest14-21ksoftirqd/011:15:010
26927997053,9cyclictest14-21ksoftirqd/012:20:250
26927997050,10cyclictest14-21ksoftirqd/009:20:140
26927997013,52cyclictest0-21swapper/007:15:170
26930996923,14cyclictest26-21ksoftirqd/108:45:011
26930996923,14cyclictest26-21ksoftirqd/108:45:011
26930996845,9cyclictest4961-21/usr/sbin/munin12:10:381
26927996845,11cyclictest14-21ksoftirqd/010:05:140
26927996817,45cyclictest0-21swapper/009:25:160
26930996740,14cyclictest9429-21ntpq10:50:321
26930996732,8cyclictest26-21ksoftirqd/111:17:001
26930996710,22cyclictest26-21ksoftirqd/109:25:321
26927996713,49cyclictest0-21swapper/008:30:130
26927996712,50cyclictest0-21swapper/010:10:140
26927996712,50cyclictest0-21swapper/010:10:140
26930996626,10cyclictest10057-21grep09:20:381
26927996615,44cyclictest0-21swapper/010:20:130
26927996611,49cyclictest0-21swapper/011:20:140
26930996532,17cyclictest26-21ksoftirqd/109:04:231
26930996528,21cyclictest26-21ksoftirqd/107:50:051
2693099652,43cyclictest29997-21sensors_temp08:45:341
26930996416,22cyclictest26-21ksoftirqd/110:05:281
26930996415,22cyclictest26-21ksoftirqd/109:18:291
26930996413,22cyclictest26-21ksoftirqd/110:55:201
2693099636,34cyclictest26-21ksoftirqd/107:30:221
26930996329,21cyclictest26-21ksoftirqd/107:40:351
26930996322,12cyclictest26-21ksoftirqd/112:20:411
26930996311,39cyclictest0-21swapper/109:51:191
26930996311,39cyclictest0-21swapper/109:51:191
26927996341,12cyclictest14-21ksoftirqd/012:25:120
26927996335,17cyclictest0-21swapper/011:55:140
26927996335,15cyclictest0-21swapper/012:10:240
26927996333,17cyclictest21502-21cat09:55:130
26927996312,45cyclictest171rcuc/007:36:500
26930996229,13cyclictest26-21ksoftirqd/110:25:391
26930996213,21cyclictest26-21ksoftirqd/108:13:151
26930996211,9cyclictest4930-21sed10:39:011
26927996235,16cyclictest0-21swapper/009:50:160
26927996235,16cyclictest0-21swapper/009:50:160
26927996235,14cyclictest0-21swapper/009:05:140
26927996234,16cyclictest0-21swapper/012:30:120
2693099613,22cyclictest26-21ksoftirqd/107:10:331
26930996119,30cyclictest0-21swapper/110:30:371
26930996118,16cyclictest26-21ksoftirqd/108:35:201
2692799614,20cyclictest30435-21idleruntime11:50:220
26927996131,17cyclictest0-21swapper/009:15:160
246172613,20sleep124743-21latency_hist11:35:021
26930996033,15cyclictest17794-21aten2.4-expect09:45:191
26930996032,10cyclictest420-21dbus-daemon11:25:001
26930996029,14cyclictest26-21ksoftirqd/108:09:011
26930996029,14cyclictest26-21ksoftirqd/108:09:011
26930996023,21cyclictest26-21ksoftirqd/109:00:011
26927996037,13cyclictest0-21swapper/008:00:140
26927996036,14cyclictest0-21swapper/007:30:120
26927996034,13cyclictest0-21swapper/011:40:140
26927996033,16cyclictest0-21swapper/010:15:150
26927996032,16cyclictest0-21swapper/007:10:130
26927996022,12cyclictest6174-21aten2.4-expect07:40:180
26927996015,40cyclictest27445-21aten2.4-expect08:40:160
26927996015,40cyclictest27445-21aten2.4-expect08:40:150
2693099599,22cyclictest26-21ksoftirqd/108:18:171
26930995924,22cyclictest26-21ksoftirqd/108:28:091
26930995923,13cyclictest26-21ksoftirqd/107:45:331
26930995923,12cyclictest26-21ksoftirqd/110:14:161
26930995923,12cyclictest26-21ksoftirqd/110:14:151
26930995922,12cyclictest26-21ksoftirqd/110:20:301
26930995917,16cyclictest26-21ksoftirqd/112:25:381
26930995916,16cyclictest26-21ksoftirqd/112:05:161
26930995914,22cyclictest26-21ksoftirqd/109:08:271
26930995913,10cyclictest30859-21basename07:20:011
26930995912,22cyclictest26-21ksoftirqd/110:18:411
26930995910,21cyclictest26-21ksoftirqd/111:50:191
2692799594,27cyclictest5327-21diskmemload09:10:230
2692799594,10cyclictest0-21swapper/008:45:190
26927995931,18cyclictest11597-21taskset07:55:120
26927995931,15cyclictest0-21swapper/009:35:150
26927995930,17cyclictest0-21swapper/010:35:250
26927995911,42cyclictest171rcuc/009:45:010
2693099589,20cyclictest26-21ksoftirqd/112:17:521
2693099588,37cyclictest0-21swapper/109:41:021
2693099585,33cyclictest26-21ksoftirqd/108:00:221
26930995824,21cyclictest26-21ksoftirqd/111:45:201
26930995824,13cyclictest26-21ksoftirqd/112:35:331
26930995823,12cyclictest26-21ksoftirqd/111:10:421
26930995821,12cyclictest26-21ksoftirqd/110:40:291
26930995820,12cyclictest26-21ksoftirqd/107:55:051
26930995819,15cyclictest26-21ksoftirqd/111:38:571
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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