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2026-05-08 - 19:43
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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 May 08, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2058321600,3sleep01935099cyclictest13:56:470
2058321600,3sleep01935099cyclictest13:56:470
1068911050,4ptp4l401ktimersoftd/308:28:293
151402840,2sleep10-21swapper/113:51:421
106891740,10ptp4l401ktimersoftd/313:09:153
106891720,1ptp4l401ktimersoftd/313:29:393
80452660,2sleep20-21swapper/211:31:482
190482664,10sleep00-21swapper/008:28:420
106891660,2ptp4l401ktimersoftd/312:13:593
106891660,2ptp4l401ktimersoftd/312:13:593
95142650,2sleep112272-21diskmemload11:33:271
1936299639,20cyclictest26563-21timerwakeupswit08:41:502
19350996353,6cyclictest9-21ksoftirqd/012:31:400
19350996252,5cyclictest9-21ksoftirqd/011:51:390
1936299610,31cyclictest21634-21ssh12:51:462
110762610,2sleep20-21swapper/213:13:492
106891610,1ptp4l401ktimersoftd/311:08:053
1936299591,24cyclictest16411-21snmp_o5powerctl13:51:542
19350995949,5cyclictest9-21ksoftirqd/012:26:390
106891590,1ptp4l401ktimersoftd/312:28:093
106891570,2ptp4l26355-21kworker/3:212:56:173
277282560,4sleep11935699cyclictest08:46:381
106891550,1ptp4l401ktimersoftd/313:53:203
190112540,2sleep20-21swapper/211:42:522
106891520,1ptp4l401ktimersoftd/312:20:513
105791500,4getstats1936799cyclictest12:11:183
19350994922,17cyclictest9-21ksoftirqd/011:41:270
19350994921,6cyclictest9-21ksoftirqd/012:17:330
19350994920,6cyclictest9-21ksoftirqd/012:13:240
19350994920,6cyclictest9-21ksoftirqd/012:13:240
19350994920,4cyclictest9-21ksoftirqd/010:34:300
19350994920,4cyclictest9-21ksoftirqd/010:34:300
190172494,34sleep10-21swapper/108:28:191
106891490,12ptp4l1421-21kworker/3:211:35:593
19350994836,3cyclictest9-21ksoftirqd/011:56:560
19350994824,4cyclictest9-21ksoftirqd/012:11:200
19350994822,7cyclictest9-21ksoftirqd/010:58:070
19350994820,4cyclictest9-21ksoftirqd/013:23:580
1936299471,24cyclictest22123-21systemctl10:41:252
19350994718,6cyclictest9-21ksoftirqd/011:35:140
1935099467,4cyclictest9-21ksoftirqd/013:36:420
19350994617,7cyclictest9-21ksoftirqd/012:21:570
106891460,1ptp4l401ktimersoftd/310:36:233
106891460,1ptp4l401ktimersoftd/310:36:233
106891460,0ptp4l401ktimersoftd/311:59:163
1935699455,34cyclictest1875-21ssh11:26:381
19350994538,3cyclictest9-21ksoftirqd/010:16:290
19350994526,7cyclictest9-21ksoftirqd/010:01:450
19350994523,7cyclictest9-21ksoftirqd/012:49:270
19350994521,4cyclictest9-21ksoftirqd/012:38:140
19350994520,4cyclictest9-21ksoftirqd/012:58:060
19350994518,7cyclictest9-21ksoftirqd/012:01:490
19350994428,3cyclictest9-21ksoftirqd/011:45:000
19350994421,4cyclictest9-21ksoftirqd/010:39:420
19350994421,3cyclictest9-21ksoftirqd/011:20:010
19350994420,4cyclictest9-21ksoftirqd/010:54:410
106891440,1ptp4l401ktimersoftd/313:32:273
106891440,1ptp4l401ktimersoftd/309:59:243
19350994321,4cyclictest9-21ksoftirqd/011:14:150
19350994321,4cyclictest9-21ksoftirqd/011:04:060
19350994320,4cyclictest9-21ksoftirqd/013:05:390
19350994319,7cyclictest9-21ksoftirqd/013:50:470
19350994315,5cyclictest9-21ksoftirqd/011:21:460
19350994312,4cyclictest9-21ksoftirqd/011:50:290
1936299421,23cyclictest25848-21apt-get12:56:402
1936299420,2cyclictest0-21swapper/211:20:092
1935699424,9cyclictest30763-21ssh13:01:401
19350994233,3cyclictest9-21ksoftirqd/009:36:390
19350994230,3cyclictest9-21ksoftirqd/013:06:420
19350994222,10cyclictest9-21ksoftirqd/008:56:390
19350994221,7cyclictest9-21ksoftirqd/009:31:130
19350994220,4cyclictest9-21ksoftirqd/009:48:350
19350994219,4cyclictest9-21ksoftirqd/013:15:480
19350994214,7cyclictest9-21ksoftirqd/010:26:380
19350994214,7cyclictest9-21ksoftirqd/010:26:380
19350994213,7cyclictest9-21ksoftirqd/008:31:340
19350994212,10cyclictest9-21ksoftirqd/010:06:360
19350994210,3cyclictest5142-1kworker/u9:113:18:520
106891420,1ptp4l401ktimersoftd/313:36:443
106891420,1ptp4l401ktimersoftd/313:20:133
19367994133,5cyclictest29455-21cron08:51:233
1936299411,28cyclictest6051-21snmpd13:24:052
1936299411,22cyclictest11191-21memory10:26:452
1936299411,22cyclictest11191-21memory10:26:452
1935699410,16cyclictest10466-21cron12:41:281
1935099417,7cyclictest9-21ksoftirqd/011:26:560
1935099414,6cyclictest23219-21ssh13:26:440
1935099413,8cyclictest30255-21idleruntime-cro10:01:240
19350994120,7cyclictest9-21ksoftirqd/012:43:080
19350994120,7cyclictest9-21ksoftirqd/010:50:160
19350994118,3cyclictest9-21ksoftirqd/013:53:500
19350994114,9cyclictest9-21ksoftirqd/009:06:230
19350994114,7cyclictest9-21ksoftirqd/009:51:450
19350994114,5cyclictest9-21ksoftirqd/010:44:280
19350994113,6cyclictest9-21ksoftirqd/011:08:490
106891410,1ptp4l401ktimersoftd/310:59:483
1936299400,23cyclictest10006-21ssh12:06:482
1935099404,3cyclictest9-21ksoftirqd/009:06:500
1936299390,25cyclictest32602-21/usr/sbin/munin13:01:592
1936299390,22cyclictest12272-21diskmemload12:39:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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