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2026-05-28 - 07:14
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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 Thu May 28, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
913221780,4sleep31980599cyclictest00:16:303
1826021580,4sleep21980199cyclictest01:32:212
1068911270,9ptp4l1402-21kworker/3:020:40:043
19801997364,5cyclictest33-21ksoftirqd/201:57:292
19801997360,6cyclictest33-21ksoftirqd/200:52:262
209892690,2sleep30-21swapper/302:07:353
106891650,10ptp4l401ktimersoftd/300:20:283
22972640,2sleep10-21swapper/122:17:281
10802640,1sleep30-21swapper/323:33:583
19801996351,5cyclictest33-21ksoftirqd/223:42:252
19801996149,5cyclictest33-21ksoftirqd/201:07:292
196112585,41sleep00-21swapper/020:41:080
166732570,3sleep00-21swapper/000:57:260
276302560,1sleep20-21swapper/200:34:232
19801995644,5cyclictest33-21ksoftirqd/202:07:302
259042550,3sleep31980599cyclictest23:27:193
80712540,2sleep10-21swapper/123:07:461
77832540,2sleep00-21swapper/000:14:100
19801995428,3cyclictest33-21ksoftirqd/223:02:282
19801995426,3cyclictest33-21ksoftirqd/222:32:422
176072530,2sleep30-21swapper/323:17:363
19801995241,4cyclictest33-21ksoftirqd/221:02:232
195102514,35sleep10-21swapper/120:39:481
1980199496,5cyclictest33-21ksoftirqd/202:02:412
19801994623,3cyclictest33-21ksoftirqd/221:22:332
19801994538,3cyclictest33-21ksoftirqd/201:02:262
106891450,0ptp4l401ktimersoftd/323:54:203
1980199444,3cyclictest121rcu_preempt00:42:152
63392420,1sleep30-21swapper/300:46:493
63392420,1sleep30-21swapper/300:46:493
1980199429,9cyclictest33-21ksoftirqd/223:12:132
19801994236,3cyclictest33-21ksoftirqd/222:07:162
19801994230,6cyclictest33-21ksoftirqd/222:37:242
19801994219,3cyclictest33-21ksoftirqd/223:37:412
106891420,1ptp4l401ktimersoftd/321:49:133
106891420,1ptp4l401ktimersoftd/301:43:503
106891420,1ptp4l401ktimersoftd/301:32:533
19801994127,3cyclictest33-21ksoftirqd/221:07:262
19801994122,3cyclictest33-21ksoftirqd/200:27:302
106891410,1ptp4l401ktimersoftd/300:39:153
19801994025,11cyclictest33-21ksoftirqd/221:32:272
19801994016,4cyclictest33-21ksoftirqd/221:47:302
106891400,15ptp4l401ktimersoftd/323:42:293
19801993932,3cyclictest33-21ksoftirqd/221:42:162
19801993931,4cyclictest33-21ksoftirqd/223:12:182
106891390,1ptp4l401ktimersoftd/323:41:263
106891390,1ptp4l401ktimersoftd/301:17:563
106891390,1ptp4l401ktimersoftd/300:22:383
19801993831,3cyclictest33-21ksoftirqd/201:17:282
19801993825,3cyclictest33-21ksoftirqd/223:25:392
19801993823,12cyclictest33-21ksoftirqd/201:37:472
19801993820,3cyclictest33-21ksoftirqd/201:12:292
19801993812,4cyclictest33-21ksoftirqd/201:49:282
106891380,1ptp4l401ktimersoftd/323:08:553
106891380,1ptp4l401ktimersoftd/302:02:183
106891380,1ptp4l401ktimersoftd/301:09:563
19801993718,3cyclictest33-21ksoftirqd/222:47:412
19801993713,4cyclictest33-21ksoftirqd/222:12:252
19801993713,4cyclictest33-21ksoftirqd/200:59:102
19801993712,4cyclictest33-21ksoftirqd/223:28:512
106891370,1ptp4l401ktimersoftd/323:22:183
106891370,1ptp4l401ktimersoftd/322:49:363
106891370,1ptp4l401ktimersoftd/322:43:383
106891370,1ptp4l401ktimersoftd/321:37:563
106891370,1ptp4l401ktimersoftd/301:57:203
106891370,1ptp4l401ktimersoftd/301:31:203
106891370,1ptp4l401ktimersoftd/300:57:483
106891370,1ptp4l401ktimersoftd/300:48:133
106891370,1ptp4l401ktimersoftd/300:32:393
106891370,1ptp4l401ktimersoftd/300:07:173
106891370,14ptp4l401ktimersoftd/301:14:093
106891370,13ptp4l401ktimersoftd/322:12:303
19801993631,3cyclictest33-21ksoftirqd/200:52:152
19801993630,3cyclictest33-21ksoftirqd/200:17:142
19801993624,9cyclictest33-21ksoftirqd/222:52:302
106891360,1ptp4l401ktimersoftd/323:15:573
106891360,1ptp4l401ktimersoftd/322:58:183
106891360,1ptp4l401ktimersoftd/322:58:183
106891360,1ptp4l401ktimersoftd/322:55:483
106891360,1ptp4l401ktimersoftd/301:02:173
106891360,1ptp4l401ktimersoftd/300:05:113
106891360,1ptp4l401ktimersoftd/300:01:313
106891360,0ptp4l401ktimersoftd/323:05:313
106891360,0ptp4l401ktimersoftd/301:56:393
106891360,0ptp4l401ktimersoftd/301:38:573
106891360,0ptp4l401ktimersoftd/300:29:393
1980199357,4cyclictest33-21ksoftirqd/221:17:392
1980199355,9cyclictest33-21ksoftirqd/221:37:312
19801993529,3cyclictest33-21ksoftirqd/221:17:102
19801993528,3cyclictest33-21ksoftirqd/222:02:252
19801993525,5cyclictest33-21ksoftirqd/221:27:222
1980199351,2cyclictest121rcu_preempt22:57:172
1980199351,2cyclictest121rcu_preempt22:57:172
19801993512,3cyclictest33-21ksoftirqd/200:02:302
19801993511,4cyclictest33-21ksoftirqd/222:27:272
106891350,1ptp4l401ktimersoftd/323:49:343
106891350,0ptp4l401ktimersoftd/321:27:343
1980199343,7cyclictest33-21ksoftirqd/220:52:242
19801993429,3cyclictest33-21ksoftirqd/201:47:172
19801993429,3cyclictest33-21ksoftirqd/200:22:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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