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2026-08-21 - 23:58
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot6.osadl.org (updated Fri Aug 21, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2199221860,6sleep10-21swapper/109:24:391
1306221830,5sleep12351599cyclictest14:39:461
1306221830,5sleep12351599cyclictest14:39:461
2919621670,4sleep22352299cyclictest11:39:522
1871521620,4sleep22352299cyclictest13:39:532
2497221450,3sleep02350999cyclictest12:09:370
1068911060,3ptp4l401ktimersoftd/309:26:283
69172780,2sleep30-21swapper/314:34:183
140322750,5sleep22352299cyclictest10:14:372
258802690,3sleep10-21swapper/109:34:211
264802610,2sleep30-21swapper/312:09:523
169722610,2sleep00-21swapper/012:34:220
143992600,1sleep30-21swapper/311:59:083
23526995734,9cyclictest41-21ksoftirqd/312:04:413
213392570,4sleep22352299cyclictest12:38:262
207722570,2sleep20-21swapper/214:47:422
23526995536,8cyclictest41-21ksoftirqd/314:04:453
2352299557,8cyclictest9230-21sort12:24:542
2352299556,8cyclictest9630-21munin-plugin-st11:54:252
56392540,1sleep10-21swapper/112:21:551
23526995427,4cyclictest41-21ksoftirqd/309:39:223
23526995424,8cyclictest41-21ksoftirqd/314:49:293
2352299547,8cyclictest8153-21irqrtprio14:34:462
2352299547,8cyclictest29244-21grep12:44:542
2352299547,8cyclictest29244-21grep12:44:542
2352299546,8cyclictest9479-21apt-config14:04:282
2352299546,8cyclictest5661-21tr11:04:362
23522995414,8cyclictest33-21ksoftirqd/210:49:382
130602540,2sleep10-21swapper/111:19:401
23526995324,4cyclictest41-21ksoftirqd/312:39:373
2352299538,7cyclictest14479-21latency_hist14:09:272
2352299536,8cyclictest9137-21sed13:29:562
231722534,35sleep20-21swapper/209:26:152
23526995226,4cyclictest41-21ksoftirqd/314:54:443
23526995224,4cyclictest41-21ksoftirqd/312:44:433
23526995224,4cyclictest41-21ksoftirqd/312:44:433
2352299527,8cyclictest14268-21grep12:29:542
23526995125,4cyclictest41-21ksoftirqd/313:24:553
23526995125,4cyclictest41-21ksoftirqd/312:29:463
2352299517,7cyclictest2284-21cat14:29:282
2352299516,8cyclictest25942-21latency_hist09:34:222
2352299515,6cyclictest31585-21cat09:44:222
23522995118,10cyclictest33-21ksoftirqd/212:39:452
23522995113,9cyclictest33-21ksoftirqd/213:04:482
105791510,1getstats0-21swapper/313:47:283
23526995026,7cyclictest41-21ksoftirqd/309:44:223
23526995024,4cyclictest41-21ksoftirqd/312:24:493
23526995023,4cyclictest41-21ksoftirqd/311:44:493
23526995016,9cyclictest41-21ksoftirqd/309:54:223
2352299507,7cyclictest30423-21wc10:49:232
2352299507,7cyclictest24167-21grep14:49:562
23522995018,10cyclictest33-21ksoftirqd/210:09:422
23526994926,7cyclictest41-21ksoftirqd/314:24:293
23526994924,7cyclictest41-21ksoftirqd/313:19:403
23526994924,4cyclictest41-21ksoftirqd/314:37:133
23526994924,4cyclictest41-21ksoftirqd/313:09:443
23526994924,4cyclictest41-21ksoftirqd/311:39:403
23526994923,4cyclictest41-21ksoftirqd/314:39:553
23526994923,4cyclictest41-21ksoftirqd/314:39:553
23526994922,8cyclictest41-21ksoftirqd/313:14:453
23526994917,7cyclictest41-21ksoftirqd/313:34:553
23526994911,15cyclictest41-21ksoftirqd/310:04:453
2352299496,8cyclictest319-21grep12:49:392
2352299495,7cyclictest8791-21sed10:04:222
2352299494,8cyclictest15525-21ssh14:09:472
2352299493,14cyclictest4038-21ssh12:19:492
2352699487,4cyclictest41-21ksoftirqd/311:39:253
2352699487,3cyclictest21836-21apt-get14:49:333
23526994823,8cyclictest41-21ksoftirqd/314:14:283
23526994823,7cyclictest41-21ksoftirqd/311:24:243
23526994823,4cyclictest41-21ksoftirqd/310:54:403
23526994820,4cyclictest41-21ksoftirqd/311:04:383
23526994820,4cyclictest41-21ksoftirqd/310:59:453
23526994819,7cyclictest41-21ksoftirqd/310:49:413
2352299485,9cyclictest28100-21ssh13:49:442
2352299485,8cyclictest27498-21grep10:39:502
2352299485,8cyclictest24213-21grep11:34:542
2352299485,7cyclictest26389-21snmp_o5powerctl13:14:522
2352299485,7cyclictest13619-21sed13:34:482
2352299485,6cyclictest25609-21apt-key10:39:232
2352299484,9cyclictest20198-21fschecks_count14:14:462
23522994820,9cyclictest33-21ksoftirqd/209:54:382
23522994814,7cyclictest33-21ksoftirqd/211:33:362
23526994736,3cyclictest41-21ksoftirqd/314:19:423
23526994735,3cyclictest41-21ksoftirqd/313:34:273
23526994735,3cyclictest41-21ksoftirqd/310:29:383
23526994723,4cyclictest41-21ksoftirqd/312:52:213
23526994718,5cyclictest41-21ksoftirqd/309:29:493
2352299475,8cyclictest32573-21fschecks_count13:54:422
2352299475,8cyclictest10964-21sed12:59:442
2352299475,6cyclictest321ktimersoftd/214:24:282
2352299474,7cyclictest30825-21irqrtprio12:14:422
2352299474,7cyclictest13698-21needreboot11:19:442
23515994739,5cyclictest25-21ksoftirqd/112:04:361
23526994634,3cyclictest41-21ksoftirqd/314:14:283
23526994625,7cyclictest41-21ksoftirqd/311:59:453
23526994622,4cyclictest41-21ksoftirqd/309:44:363
23526994621,4cyclictest41-21ksoftirqd/311:29:453
23526994618,4cyclictest41-21ksoftirqd/313:59:403
23526994617,7cyclictest41-21ksoftirqd/310:14:423
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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