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2026-05-13 - 01:46
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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 Tue May 12, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3169722690,4sleep00-21swapper/008:28:570
172321580,4sleep248699cyclictest12:54:232
53821570,5sleep349299cyclictest09:38:563
53821570,5sleep349299cyclictest09:38:563
1068911410,3ptp4l401ktimersoftd/308:33:253
278742700,3sleep3391rcuc/309:28:523
475996414,12cyclictest28235-21tail11:08:550
475996413,13cyclictest14910-21ssh13:09:000
475996315,19cyclictest17057-21uname12:04:000
475996114,14cyclictest24261-21unixbench_multi12:44:110
273662610,2sleep00-21swapper/013:54:110
106891610,1ptp4l401ktimersoftd/313:29:353
47599609,13cyclictest21138-21ls11:34:100
475996013,13cyclictest15495-21irqrtprio11:28:590
475996013,13cyclictest15495-21irqrtprio11:28:590
475995914,12cyclictest25855-21diskmemload11:20:500
475995912,16cyclictest9908-21perl13:03:580
475995912,12cyclictest2896-21cat08:38:360
475995911,16cyclictest25855-21diskmemload13:23:300
475995911,13cyclictest0-21swapper/010:33:500
475995910,13cyclictest9683-21ls12:29:110
475995910,12cyclictest1291-21wc11:48:400
47599589,12cyclictest27376-21latency_hist11:08:390
475995811,17cyclictest22349-21sed12:43:420
475995811,12cyclictest13101-21sed08:58:360
475995811,11cyclictest30746-21bc12:18:520
475995810,15cyclictest14464-21ssh13:42:140
106891580,1ptp4l401ktimersoftd/312:38:503
492995725,4cyclictest41-21ksoftirqd/313:19:123
47599578,20cyclictest0-21swapper/014:03:430
475995712,11cyclictest25393-21ls09:23:510
475995711,11cyclictest25855-21diskmemload13:29:040
475995710,13cyclictest14273-21mailstats12:34:040
106891570,1ptp4l401ktimersoftd/313:07:483
492995630,4cyclictest41-21ksoftirqd/310:38:393
492995628,4cyclictest41-21ksoftirqd/310:58:573
47599568,17cyclictest0-21swapper/013:14:050
47599568,17cyclictest0-21swapper/013:14:050
475995612,12cyclictest9127-21date09:58:370
475995611,11cyclictest25855-21diskmemload10:51:430
475995611,11cyclictest22514-21latency_hist09:18:360
175922560,2sleep00-21swapper/010:13:570
492995529,4cyclictest41-21ksoftirqd/312:49:073
492995528,3cyclictest41-21ksoftirqd/311:18:393
475995512,17cyclictest954-21phc2sys09:38:580
475995512,17cyclictest954-21phc2sys09:38:580
475995511,9cyclictest31206-21apt-get10:38:500
475995511,12cyclictest20463-21sed13:48:430
475995510,9cyclictest21795-21if_err_ens312:08:580
106891550,1ptp4l401ktimersoftd/311:39:093
492995428,4cyclictest41-21ksoftirqd/313:39:123
47599548,19cyclictest17972-21/usr/sbin/munin09:08:500
475995411,9cyclictest11311-21python11:24:040
475995410,9cyclictest13297-21apt-get08:58:500
475995410,8cyclictest28803-21apt-get13:23:550
475995410,17cyclictest22144-21mailstats13:49:050
475995410,14cyclictest29459-21ssh12:49:380
475995410,12cyclictest579-21gltestperf11:13:550
492995327,4cyclictest41-21ksoftirqd/312:00:333
492995327,3cyclictest41-21ksoftirqd/312:18:563
492995326,4cyclictest41-21ksoftirqd/311:09:083
486995326,4cyclictest33-21ksoftirqd/213:48:432
486995326,4cyclictest33-21ksoftirqd/210:38:572
475995311,11cyclictest2631-21ssh11:48:590
475995311,11cyclictest25855-21diskmemload11:41:390
475995311,10cyclictest25855-21diskmemload12:26:100
475995311,10cyclictest18322-21ls10:58:530
475995310,8cyclictest8561-21apt-get08:48:500
475995310,14cyclictest1217-21snmp_o5powerctl12:54:070
475995310,11cyclictest12096-21cstates10:03:510
492995228,4cyclictest41-21ksoftirqd/311:53:553
492995226,4cyclictest41-21ksoftirqd/313:34:073
492995226,16cyclictest41-21ksoftirqd/310:28:543
47599529,8cyclictest19038-21apt-get10:18:500
475995213,11cyclictest25855-21diskmemload12:01:560
475995210,8cyclictest17719-21munin-run10:58:390
492995127,4cyclictest41-21ksoftirqd/308:38:533
492995126,4cyclictest41-21ksoftirqd/311:03:583
492995125,4cyclictest41-21ksoftirqd/313:59:063
492995125,4cyclictest41-21ksoftirqd/312:54:093
492995125,3cyclictest41-21ksoftirqd/312:29:013
49299511,7cyclictest24851-21munin-run09:23:363
486995126,4cyclictest33-21ksoftirqd/210:34:022
47599519,8cyclictest7572-21ssh11:54:010
475995111,9cyclictest3689-21python08:38:400
475995111,9cyclictest28863-21sensors_temp09:29:000
475995111,16cyclictest9259-21/usr/sbin/munin09:58:550
475995111,11cyclictest7362-21ssh10:47:250
475995110,8cyclictest5236-21if_enp1s0.112:59:010
326352514,35sleep10-21swapper/108:31:051
249352510,2sleep20-21swapper/212:12:352
492995027,8cyclictest41-21ksoftirqd/313:53:583
492995026,3cyclictest41-21ksoftirqd/311:28:343
492995025,4cyclictest41-21ksoftirqd/313:48:573
492995025,4cyclictest41-21ksoftirqd/313:09:023
492995025,4cyclictest41-21ksoftirqd/312:46:213
492995025,4cyclictest41-21ksoftirqd/311:48:403
492995025,4cyclictest41-21ksoftirqd/311:18:563
492995025,4cyclictest41-21ksoftirqd/309:08:553
492995024,4cyclictest41-21ksoftirqd/310:44:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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