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2026-08-20 - 06:13
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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 Aug 20, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1794321650,5sleep0868099cyclictest23:43:520
1089921510,3sleep1868699cyclictest22:38:331
106891990,3ptp4l401ktimersoftd/321:25:243
324852710,3sleep30-21swapper/322:13:543
303762670,5sleep2869099cyclictest02:09:002
85172654,10sleep00-21swapper/021:27:470
34592610,5sleep3869899cyclictest00:02:183
268092610,5sleep0868099cyclictest22:03:480
106891580,1ptp4l401ktimersoftd/300:07:443
8698995731,3cyclictest41-21ksoftirqd/300:23:473
106891570,1ptp4l401ktimersoftd/302:35:203
106891560,1ptp4l401ktimersoftd/323:41:213
8698995519,5cyclictest41-21ksoftirqd/302:28:523
8686995521,8cyclictest25-21ksoftirqd/102:21:271
8686995518,9cyclictest25-21ksoftirqd/102:58:341
163862550,1sleep00-21swapper/001:21:490
8680995416,4cyclictest9-21ksoftirqd/002:23:580
106891540,1ptp4l401ktimersoftd/300:32:223
8686995220,7cyclictest25-21ksoftirqd/121:50:101
145402520,1sleep30-21swapper/300:13:503
145402520,1sleep30-21swapper/300:13:503
8698995112,8cyclictest41-21ksoftirqd/302:22:113
8686995119,9cyclictest25-21ksoftirqd/100:33:551
8680995117,8cyclictest9-21ksoftirqd/000:43:360
8698995028,7cyclictest41-21ksoftirqd/301:41:223
868699507,8cyclictest25-21ksoftirqd/102:34:071
8686995017,8cyclictest25-21ksoftirqd/101:43:541
868699500,8cyclictest241ktimersoftd/101:53:511
868699500,8cyclictest241ktimersoftd/101:53:511
8680995039,5cyclictest9-21ksoftirqd/001:48:470
8680995039,5cyclictest9-21ksoftirqd/001:48:470
8698994942,4cyclictest41-21ksoftirqd/323:13:463
8698994925,3cyclictest41-21ksoftirqd/323:56:273
8698994925,3cyclictest41-21ksoftirqd/322:54:013
868699496,9cyclictest25-21ksoftirqd/100:08:351
8686994920,7cyclictest25-21ksoftirqd/101:21:501
106891490,1ptp4l401ktimersoftd/302:27:413
8698994842,3cyclictest41-21ksoftirqd/321:48:433
8698994822,5cyclictest41-21ksoftirqd/321:38:453
868699486,9cyclictest25-21ksoftirqd/100:33:361
868699486,8cyclictest25-21ksoftirqd/100:39:021
8686994821,7cyclictest25-21ksoftirqd/101:08:391
8686994820,7cyclictest25-21ksoftirqd/101:15:321
868699480,8cyclictest241ktimersoftd/101:24:051
106891480,2ptp4l29310-21kworker/3:201:14:403
106891480,1ptp4l401ktimersoftd/300:51:553
868699476,8cyclictest25-21ksoftirqd/100:02:511
868699476,10cyclictest25-21ksoftirqd/123:53:351
868699475,9cyclictest25-21ksoftirqd/101:49:361
868699475,9cyclictest25-21ksoftirqd/101:49:361
868699474,7cyclictest25-21ksoftirqd/102:38:541
868699474,6cyclictest25-21ksoftirqd/100:58:591
8686994717,7cyclictest25-21ksoftirqd/102:51:171
8698994630,3cyclictest41-21ksoftirqd/321:44:013
8698994630,3cyclictest41-21ksoftirqd/301:43:533
8698994627,4cyclictest41-21ksoftirqd/300:59:023
8698994625,5cyclictest41-21ksoftirqd/301:53:573
8698994625,5cyclictest41-21ksoftirqd/301:53:573
868699466,9cyclictest25-21ksoftirqd/122:24:011
868699465,9cyclictest25-21ksoftirqd/102:25:561
868699465,9cyclictest25-21ksoftirqd/101:33:491
868699465,9cyclictest25-21ksoftirqd/100:08:571
868699464,8cyclictest25-21ksoftirqd/101:33:371
868699463,6cyclictest25-21ksoftirqd/101:38:521
8686994618,7cyclictest25-21ksoftirqd/123:45:081
8680994637,5cyclictest9-21ksoftirqd/022:13:430
8680994620,4cyclictest9-21ksoftirqd/000:08:350
106891460,1ptp4l401ktimersoftd/301:53:093
106891460,1ptp4l401ktimersoftd/301:53:093
106891460,0ptp4l401ktimersoftd/302:44:593
8698994538,4cyclictest41-21ksoftirqd/321:33:443
8698994525,10cyclictest41-21ksoftirqd/300:43:363
8698994523,9cyclictest41-21ksoftirqd/302:13:383
868699457,7cyclictest25-21ksoftirqd/123:18:511
868699456,8cyclictest25-21ksoftirqd/100:17:151
868699456,8cyclictest25-21ksoftirqd/100:17:151
868699456,7cyclictest25-21ksoftirqd/123:54:021
868699455,8cyclictest25-21ksoftirqd/123:33:561
868699455,11cyclictest25-21ksoftirqd/123:03:561
868699455,10cyclictest25-21ksoftirqd/102:09:071
868699454,8cyclictest25-21ksoftirqd/100:51:401
868699450,8cyclictest241ktimersoftd/100:53:531
868699450,41cyclictest241ktimersoftd/100:23:541
221712450,2sleep10-21swapper/122:59:011
106891450,1ptp4l401ktimersoftd/302:14:443
8698994437,4cyclictest41-21ksoftirqd/321:53:453
8698994432,3cyclictest41-21ksoftirqd/322:03:323
8698994430,3cyclictest41-21ksoftirqd/302:48:593
8698994429,3cyclictest41-21ksoftirqd/301:33:473
8698994429,3cyclictest41-21ksoftirqd/301:28:433
8698994428,3cyclictest41-21ksoftirqd/302:55:533
869899441,9cyclictest41-21ksoftirqd/301:03:563
869899440,2cyclictest121rcu_preempt22:23:373
8690994421,8cyclictest33-21ksoftirqd/201:48:372
868699446,9cyclictest25-21ksoftirqd/122:13:561
868699446,8cyclictest25-21ksoftirqd/102:05:101
868699446,7cyclictest25-21ksoftirqd/123:38:511
868699445,8cyclictest25-21ksoftirqd/123:08:451
868699444,7cyclictest31224-21cat02:43:521
868699444,6cyclictest25-21ksoftirqd/121:53:501
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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