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2026-06-24 - 10:38
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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 Wed Jun 24, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911030,4ptp4l401ktimersoftd/320:54:583
113132650,1sleep30-21swapper/301:34:103
304322610,3sleep2321ktimersoftd/201:21:242
296972600,2sleep00-21swapper/023:42:010
202012590,2sleep20-21swapper/202:17:092
106891580,1ptp4l401ktimersoftd/323:03:533
24905995626,3cyclictest33-21ksoftirqd/201:07:102
24905995626,3cyclictest33-21ksoftirqd/201:07:102
24905995426,4cyclictest33-21ksoftirqd/223:42:092
247342544,39sleep00-21swapper/020:56:210
24916995327,4cyclictest41-21ksoftirqd/301:47:123
24916995324,7cyclictest41-21ksoftirqd/323:02:083
24916995212,7cyclictest41-21ksoftirqd/302:02:133
22352520,1sleep30-21swapper/323:47:063
33552510,2sleep10-21swapper/123:14:041
33552510,2sleep10-21swapper/123:14:041
24905995125,4cyclictest33-21ksoftirqd/200:37:272
24905995123,4cyclictest33-21ksoftirqd/201:27:292
24905995122,4cyclictest33-21ksoftirqd/202:27:132
24916995025,4cyclictest41-21ksoftirqd/321:27:343
24916995025,3cyclictest41-21ksoftirqd/300:17:333
106891500,1ptp4l401ktimersoftd/323:35:543
24916994926,3cyclictest41-21ksoftirqd/321:57:253
24916994925,3cyclictest41-21ksoftirqd/300:42:243
24916994923,3cyclictest41-21ksoftirqd/322:07:343
24905994922,4cyclictest33-21ksoftirqd/200:07:362
24905994921,4cyclictest33-21ksoftirqd/200:22:102
20112490,2sleep30-21swapper/301:24:553
24905994822,4cyclictest33-21ksoftirqd/221:32:192
24905994816,4cyclictest33-21ksoftirqd/222:07:062
106891480,2ptp4l27293-21kworker/3:021:38:193
24916994723,4cyclictest41-21ksoftirqd/323:37:223
24916994722,4cyclictest41-21ksoftirqd/322:22:263
24916994722,4cyclictest41-21ksoftirqd/301:42:123
24905994719,4cyclictest33-21ksoftirqd/223:22:362
226572474,30sleep10-21swapper/120:52:111
24916994640,3cyclictest41-21ksoftirqd/300:12:143
24916994622,3cyclictest41-21ksoftirqd/300:27:323
24916994621,3cyclictest41-21ksoftirqd/302:07:423
24905994620,4cyclictest33-21ksoftirqd/200:47:302
24905994619,4cyclictest33-21ksoftirqd/223:47:282
24905994616,4cyclictest33-21ksoftirqd/202:17:432
24916994522,3cyclictest41-21ksoftirqd/322:32:273
24905994521,4cyclictest33-21ksoftirqd/200:27:382
24905994520,4cyclictest33-21ksoftirqd/221:02:342
24905994519,4cyclictest33-21ksoftirqd/223:37:222
24905994517,4cyclictest33-21ksoftirqd/202:07:132
24905994512,4cyclictest33-21ksoftirqd/201:42:412
24916994435,5cyclictest41-21ksoftirqd/322:02:163
24905994419,4cyclictest33-21ksoftirqd/201:57:312
24905994419,4cyclictest33-21ksoftirqd/200:42:412
24905994418,4cyclictest33-21ksoftirqd/223:57:372
24905994417,4cyclictest33-21ksoftirqd/200:04:382
24905994319,3cyclictest33-21ksoftirqd/222:27:072
24905994319,3cyclictest33-21ksoftirqd/200:12:292
24905994317,4cyclictest33-21ksoftirqd/221:57:272
24905994317,4cyclictest33-21ksoftirqd/200:57:252
24905994316,4cyclictest33-21ksoftirqd/223:52:322
24905994316,4cyclictest33-21ksoftirqd/223:07:292
24905994316,4cyclictest33-21ksoftirqd/223:05:492
24905994316,4cyclictest33-21ksoftirqd/200:52:322
2489399434,35cyclictest22349-21sed21:57:230
24916994234,4cyclictest41-21ksoftirqd/301:47:253
24905994218,4cyclictest33-21ksoftirqd/200:24:332
24905994217,4cyclictest33-21ksoftirqd/222:17:262
24905994216,4cyclictest33-21ksoftirqd/221:47:452
24905994216,4cyclictest33-21ksoftirqd/221:07:312
24905994216,4cyclictest33-21ksoftirqd/201:12:242
24905994216,3cyclictest33-21ksoftirqd/222:57:282
24905994211,4cyclictest33-21ksoftirqd/201:42:122
24905994117,3cyclictest33-21ksoftirqd/221:42:062
24905994115,5cyclictest33-21ksoftirqd/223:32:232
24905994115,4cyclictest33-21ksoftirqd/222:47:292
24905994115,4cyclictest33-21ksoftirqd/221:22:342
24905994115,4cyclictest33-21ksoftirqd/221:22:342
24905994114,4cyclictest33-21ksoftirqd/201:07:262
24905994114,4cyclictest33-21ksoftirqd/200:35:542
24905994114,3cyclictest33-21ksoftirqd/222:42:072
24893994118,20cyclictest15210-21gltestperf21:42:210
2491699408,7cyclictest41-21ksoftirqd/301:12:253
24916994031,5cyclictest41-21ksoftirqd/322:52:203
24916994030,3cyclictest41-21ksoftirqd/300:58:563
24916994011,4cyclictest41-21ksoftirqd/300:34:263
24905994016,4cyclictest33-21ksoftirqd/223:27:242
24905994016,3cyclictest33-21ksoftirqd/202:07:272
24905994014,4cyclictest33-21ksoftirqd/201:52:382
106891400,1ptp4l401ktimersoftd/323:58:143
2491699396,3cyclictest121rcu_preempt23:15:283
2491699396,3cyclictest121rcu_preempt23:15:283
24916993931,5cyclictest41-21ksoftirqd/321:17:173
24916993926,3cyclictest41-21ksoftirqd/301:27:333
24905993914,4cyclictest33-21ksoftirqd/220:57:232
24905993914,3cyclictest33-21ksoftirqd/222:52:272
24905993913,4cyclictest33-21ksoftirqd/223:21:002
24905993913,4cyclictest33-21ksoftirqd/201:34:502
24905993913,4cyclictest33-21ksoftirqd/201:25:402
2489399393,7cyclictest22404-21ssh00:07:230
24893993913,23cyclictest29518-21/usr/sbin/munin00:47:320
24893993913,23cyclictest25737-21sh01:48:250
106891390,1ptp4l401ktimersoftd/323:55:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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