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2025-11-29 - 04:36
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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 Sat Nov 29, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1773911030,4ptp4l401ktimersoftd/320:20:083
177391960,1ptp4l401ktimersoftd/322:36:383
242752690,4sleep2848899cyclictest01:08:322
8488996654,7cyclictest33-21ksoftirqd/223:11:232
8488996352,5cyclictest33-21ksoftirqd/200:56:262
8488996149,5cyclictest33-21ksoftirqd/221:16:202
8488996047,6cyclictest33-21ksoftirqd/220:26:192
8488995848,5cyclictest33-21ksoftirqd/222:36:212
82982584,10sleep20-21swapper/220:20:112
177391580,1ptp4l401ktimersoftd/321:28:083
8488995746,6cyclictest33-21ksoftirqd/222:46:242
177391570,1ptp4l401ktimersoftd/322:48:143
8488995631,3cyclictest33-21ksoftirqd/222:31:232
177391560,1ptp4l401ktimersoftd/301:12:493
8488995524,4cyclictest33-21ksoftirqd/200:16:122
135642550,2sleep30-21swapper/322:33:283
8488995442,7cyclictest33-21ksoftirqd/221:41:232
8488995341,6cyclictest33-21ksoftirqd/220:51:172
275362510,1sleep10-21swapper/100:01:261
8488995025,7cyclictest33-21ksoftirqd/200:01:352
8488994924,4cyclictest33-21ksoftirqd/200:41:342
848299491,3cyclictest121rcu_preempt22:46:151
8488994841,4cyclictest33-21ksoftirqd/200:21:172
8488994823,7cyclictest33-21ksoftirqd/201:11:442
177391480,1ptp4l1124-21kworker/3:101:45:063
8488994741,3cyclictest33-21ksoftirqd/200:16:252
8488994720,4cyclictest33-21ksoftirqd/201:46:282
8488994718,8cyclictest33-21ksoftirqd/201:01:442
8488994638,4cyclictest33-21ksoftirqd/221:26:222
8488994635,6cyclictest33-21ksoftirqd/221:01:222
8488994635,4cyclictest33-21ksoftirqd/200:31:332
8488994621,4cyclictest33-21ksoftirqd/221:56:372
8488994619,4cyclictest33-21ksoftirqd/223:36:312
8488994619,4cyclictest33-21ksoftirqd/223:36:312
81582464,30sleep10-21swapper/120:18:201
8488994527,6cyclictest33-21ksoftirqd/201:41:332
8488994518,4cyclictest33-21ksoftirqd/200:39:462
8488994421,20cyclictest33-21ksoftirqd/201:35:052
8488994418,4cyclictest33-21ksoftirqd/200:51:422
8488994231,3cyclictest33-21ksoftirqd/223:16:252
8488994231,3cyclictest33-21ksoftirqd/222:01:212
8488994228,11cyclictest33-21ksoftirqd/221:21:382
8488994218,3cyclictest33-21ksoftirqd/220:46:202
8488994217,4cyclictest33-21ksoftirqd/201:22:052
8488994217,4cyclictest33-21ksoftirqd/201:22:052
8488994216,4cyclictest33-21ksoftirqd/222:44:122
8488994210,6cyclictest33-21ksoftirqd/223:36:112
177391420,0ptp4l401ktimersoftd/300:40:253
848899414,3cyclictest33-21ksoftirqd/223:06:212
8488994135,3cyclictest33-21ksoftirqd/200:11:122
8488994128,10cyclictest33-21ksoftirqd/221:51:322
8488994128,10cyclictest33-21ksoftirqd/221:51:322
848899412,3cyclictest121rcu_preempt22:26:342
8488994111,10cyclictest33-21ksoftirqd/200:46:422
848899409,8cyclictest33-21ksoftirqd/223:21:282
848899406,3cyclictest121rcu_preempt00:26:422
8488994034,3cyclictest33-21ksoftirqd/201:26:302
8488994031,3cyclictest33-21ksoftirqd/201:41:152
848899401,7cyclictest33-21ksoftirqd/220:36:232
8488994014,4cyclictest33-21ksoftirqd/220:21:312
177391400,1ptp4l401ktimersoftd/322:42:503
177391400,1ptp4l401ktimersoftd/301:33:393
8488993933,3cyclictest33-21ksoftirqd/223:56:242
8488993929,3cyclictest33-21ksoftirqd/220:31:212
8488993928,3cyclictest33-21ksoftirqd/221:51:092
8488993928,3cyclictest33-21ksoftirqd/221:51:092
8488993915,4cyclictest33-21ksoftirqd/223:05:112
8488993915,3cyclictest33-21ksoftirqd/201:17:232
177391390,1ptp4l401ktimersoftd/323:36:203
177391390,1ptp4l401ktimersoftd/323:36:203
177391390,1ptp4l401ktimersoftd/322:25:173
177391390,1ptp4l401ktimersoftd/301:38:083
177391390,10ptp4l401ktimersoftd/300:41:363
8488993833,3cyclictest33-21ksoftirqd/222:51:232
8488993832,3cyclictest33-21ksoftirqd/223:46:422
8488993832,3cyclictest33-21ksoftirqd/222:16:102
8488993820,15cyclictest33-21ksoftirqd/221:36:302
8488993815,20cyclictest33-21ksoftirqd/222:57:312
8488993814,3cyclictest33-21ksoftirqd/222:09:012
8482993829,5cyclictest25-21ksoftirqd/100:46:261
8475993833,3cyclictest9-21ksoftirqd/000:21:170
177391380,1ptp4l401ktimersoftd/323:35:183
177391380,1ptp4l401ktimersoftd/323:19:503
177391380,1ptp4l401ktimersoftd/323:15:063
177391380,1ptp4l401ktimersoftd/322:57:073
177391380,0ptp4l401ktimersoftd/300:26:243
8488993731,3cyclictest33-21ksoftirqd/223:26:242
8488993731,3cyclictest33-21ksoftirqd/222:21:262
8488993731,3cyclictest33-21ksoftirqd/221:11:362
8488993725,9cyclictest321ktimersoftd/222:16:252
8488993724,6cyclictest33-21ksoftirqd/223:51:322
848899372,3cyclictest9873-21ssh23:41:282
8488993720,4cyclictest33-21ksoftirqd/221:06:332
177391370,1ptp4l401ktimersoftd/323:55:463
177391370,1ptp4l401ktimersoftd/323:05:373
177391370,1ptp4l401ktimersoftd/320:23:423
177391370,1ptp4l401ktimersoftd/300:57:173
177391370,1ptp4l401ktimersoftd/300:32:113
177391370,1ptp4l401ktimersoftd/300:22:113
177391370,1ptp4l401ktimersoftd/300:03:443
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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