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2025-11-27 - 21:24
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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 Nov 27, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2634321810,4sleep32838999cyclictest13:38:333
2779121680,3sleep22838199cyclictest11:05:442
2111221470,4sleep22838199cyclictest11:37:272
1773911110,7ptp4l8390-21kworker/3:008:17:303
157582730,2sleep30-21swapper/313:26:453
28381996957,7cyclictest33-21ksoftirqd/213:35:352
28381996451,6cyclictest33-21ksoftirqd/212:15:352
261132634,10sleep00-21swapper/008:15:220
191792630,1sleep10-21swapper/112:54:351
295222610,2sleep2311rcuc/210:30:072
300912600,2sleep30-21swapper/311:49:053
282182593,9sleep20-21swapper/208:19:562
281552584,10sleep10-21swapper/108:19:061
56082530,2sleep00-21swapper/011:58:450
28381995342,5cyclictest33-21ksoftirqd/212:50:352
2838999470,11cyclictest0-21swapper/312:00:423
28370994539,3cyclictest25-21ksoftirqd/110:50:341
28370994434,6cyclictest25-21ksoftirqd/110:30:341
2838999430,11cyclictest23939-21sh10:21:263
125752400,4sleep2321ktimersoftd/211:26:112
28370993934,3cyclictest25-21ksoftirqd/113:25:371
177391390,1ptp4l401ktimersoftd/313:04:383
177391390,1ptp4l401ktimersoftd/312:37:333
177391390,1ptp4l401ktimersoftd/312:19:573
177391390,1ptp4l401ktimersoftd/311:27:203
28381993827,6cyclictest33-21ksoftirqd/211:55:362
28365993831,4cyclictest9-21ksoftirqd/009:15:180
177391380,1ptp4l401ktimersoftd/313:19:443
177391380,1ptp4l401ktimersoftd/313:05:563
177391380,1ptp4l401ktimersoftd/311:50:553
177391380,1ptp4l401ktimersoftd/311:41:273
177391380,1ptp4l401ktimersoftd/311:33:263
177391380,1ptp4l401ktimersoftd/311:20:433
177391380,1ptp4l401ktimersoftd/311:06:343
177391380,1ptp4l401ktimersoftd/310:52:513
177391380,0ptp4l401ktimersoftd/310:28:473
2838999370,11cyclictest0-21swapper/309:45:453
177391370,1ptp4l401ktimersoftd/313:22:443
177391370,1ptp4l401ktimersoftd/313:14:303
177391370,1ptp4l401ktimersoftd/312:55:003
177391370,1ptp4l401ktimersoftd/312:27:093
177391370,1ptp4l401ktimersoftd/312:20:273
177391370,1ptp4l401ktimersoftd/312:12:593
177391370,1ptp4l401ktimersoftd/311:38:143
177391370,1ptp4l401ktimersoftd/310:48:233
177391370,1ptp4l401ktimersoftd/310:44:023
177391370,1ptp4l401ktimersoftd/309:32:083
177391370,0ptp4l401ktimersoftd/312:48:183
177391370,0ptp4l401ktimersoftd/312:33:473
177391370,0ptp4l401ktimersoftd/311:56:063
28370993630,4cyclictest25-21ksoftirqd/109:25:301
28370993630,3cyclictest25-21ksoftirqd/110:10:201
28370993629,4cyclictest25-21ksoftirqd/108:40:291
177391360,1ptp4l401ktimersoftd/311:17:473
177391360,1ptp4l401ktimersoftd/310:08:013
28381993530,3cyclictest33-21ksoftirqd/213:10:242
28381993530,3cyclictest33-21ksoftirqd/209:10:182
28381993530,3cyclictest33-21ksoftirqd/209:10:182
28370993529,3cyclictest25-21ksoftirqd/109:20:291
28370993528,4cyclictest25-21ksoftirqd/109:30:301
28381993420,11cyclictest33-21ksoftirqd/208:58:532
28370993428,3cyclictest25-21ksoftirqd/113:50:251
28370993428,3cyclictest25-21ksoftirqd/113:15:371
28370993427,3cyclictest25-21ksoftirqd/113:05:241
177391340,1ptp4l401ktimersoftd/311:00:073
177391340,1ptp4l401ktimersoftd/311:00:073
177391340,0ptp4l401ktimersoftd/310:35:283
28370993328,3cyclictest25-21ksoftirqd/112:05:411
177391330,1ptp4l401ktimersoftd/313:34:513
28381993226,3cyclictest33-21ksoftirqd/213:15:242
28381993226,3cyclictest33-21ksoftirqd/208:30:182
28370993227,3cyclictest25-21ksoftirqd/110:20:221
28370993226,3cyclictest25-21ksoftirqd/112:20:221
28365993227,3cyclictest9-21ksoftirqd/012:55:430
28365993225,4cyclictest9-21ksoftirqd/013:10:400
177391320,1ptp4l401ktimersoftd/312:56:283
28381993126,3cyclictest33-21ksoftirqd/212:05:392
28381993126,3cyclictest33-21ksoftirqd/211:15:212
28381993125,3cyclictest33-21ksoftirqd/212:20:412
28370993126,3cyclictest25-21ksoftirqd/111:45:411
28370993126,3cyclictest25-21ksoftirqd/111:05:211
28370993126,3cyclictest25-21ksoftirqd/111:05:211
28370993126,3cyclictest25-21ksoftirqd/109:50:191
28370993126,3cyclictest25-21ksoftirqd/109:45:191
28370993125,4cyclictest25-21ksoftirqd/113:30:421
28370993125,4cyclictest25-21ksoftirqd/111:50:401
28370993125,3cyclictest25-21ksoftirqd/111:05:501
28370993125,3cyclictest25-21ksoftirqd/108:55:291
28370993124,4cyclictest25-21ksoftirqd/113:35:401
28370993124,4cyclictest25-21ksoftirqd/111:40:321
2837099311,28cyclictest19871-21kworker/1:213:10:241
28381993025,3cyclictest33-21ksoftirqd/212:35:232
28381993025,3cyclictest33-21ksoftirqd/211:50:222
28381993025,3cyclictest33-21ksoftirqd/210:40:202
28381993025,3cyclictest33-21ksoftirqd/209:45:192
28381993025,3cyclictest33-21ksoftirqd/208:45:462
28381993024,3cyclictest33-21ksoftirqd/213:15:372
28381993024,3cyclictest33-21ksoftirqd/211:25:222
28381993024,3cyclictest33-21ksoftirqd/211:20:222
28370993025,3cyclictest25-21ksoftirqd/112:25:421
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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