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2026-08-01 - 19:23
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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 Aug 01, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1925721740,4sleep02435199cyclictest14:36:250
169421700,3sleep02435199cyclictest12:38:540
1523121570,5sleep32437299cyclictest11:48:343
1068911030,4ptp4l401ktimersoftd/309:14:193
72712750,1sleep30-21swapper/312:13:233
108102650,1sleep30-21swapper/312:16:043
309282620,3sleep030930-21latency_hist10:38:210
286392620,4sleep32437299cyclictest14:45:403
277082610,2sleep00-21swapper/013:06:160
21592590,1sleep10-21swapper/112:39:391
179422590,2sleep10-21swapper/111:18:251
181312570,2sleep30-21swapper/311:18:353
24372995621,5cyclictest41-21ksoftirqd/311:29:023
24372995621,4cyclictest41-21ksoftirqd/314:23:573
24372995521,10cyclictest41-21ksoftirqd/312:38:433
24372995223,9cyclictest41-21ksoftirqd/313:38:253
24372995222,10cyclictest41-21ksoftirqd/312:58:453
24372995123,4cyclictest41-21ksoftirqd/312:53:253
24372995122,8cyclictest41-21ksoftirqd/311:08:423
24372995121,7cyclictest41-21ksoftirqd/313:23:253
24372995037,3cyclictest41-21ksoftirqd/314:38:283
24372995032,3cyclictest41-21ksoftirqd/310:38:383
24372995021,9cyclictest41-21ksoftirqd/313:06:003
24372995019,8cyclictest41-21ksoftirqd/312:28:223
15132500,1sleep20-21swapper/213:13:242
139962500,1sleep20-21swapper/213:24:412
305222490,2sleep10-21swapper/114:13:581
24372994920,10cyclictest41-21ksoftirqd/311:56:003
2437299487,10cyclictest41-21ksoftirqd/311:23:423
2437299485,8cyclictest41-21ksoftirqd/313:48:463
24372994822,9cyclictest41-21ksoftirqd/314:08:273
24372994822,9cyclictest41-21ksoftirqd/310:33:453
24372994822,6cyclictest41-21ksoftirqd/311:44:123
24372994822,6cyclictest41-21ksoftirqd/311:44:123
24372994821,10cyclictest41-21ksoftirqd/313:54:293
24372994820,9cyclictest41-21ksoftirqd/312:00:303
24372994820,10cyclictest41-21ksoftirqd/313:39:173
24372994722,9cyclictest41-21ksoftirqd/311:03:403
24372994722,4cyclictest41-21ksoftirqd/312:37:573
24372994721,9cyclictest41-21ksoftirqd/309:48:443
24372994721,8cyclictest41-21ksoftirqd/314:08:433
24372994721,4cyclictest41-21ksoftirqd/310:43:373
24372994721,10cyclictest41-21ksoftirqd/310:48:513
24372994720,11cyclictest41-21ksoftirqd/312:18:433
24372994719,8cyclictest41-21ksoftirqd/312:53:473
2437299466,7cyclictest41-21ksoftirqd/314:38:413
2437299464,6cyclictest41-21ksoftirqd/313:08:433
2437299464,6cyclictest0-21swapper/310:28:373
2437299464,3cyclictest121rcu_preempt13:28:483
2437299464,3cyclictest121rcu_preempt13:28:483
24372994619,8cyclictest41-21ksoftirqd/314:20:393
24372994619,10cyclictest41-21ksoftirqd/313:23:333
24372994619,10cyclictest41-21ksoftirqd/312:05:363
24372994618,10cyclictest41-21ksoftirqd/312:46:593
24372994617,9cyclictest41-21ksoftirqd/313:45:293
24372994617,4cyclictest41-21ksoftirqd/309:34:473
24372994617,10cyclictest41-21ksoftirqd/314:00:503
24372994617,10cyclictest41-21ksoftirqd/313:14:373
2437299457,8cyclictest18854-21turbostat.cron10:13:203
2437299454,5cyclictest41-21ksoftirqd/311:38:433
2437299454,10cyclictest41-21ksoftirqd/309:58:243
24372994534,3cyclictest41-21ksoftirqd/309:53:393
24372994519,8cyclictest41-21ksoftirqd/314:15:443
24372994519,10cyclictest41-21ksoftirqd/310:58:353
24372994518,9cyclictest41-21ksoftirqd/314:30:303
24372994518,9cyclictest41-21ksoftirqd/312:29:463
2437299446,8cyclictest41-21ksoftirqd/309:23:203
2437299445,7cyclictest41-21ksoftirqd/310:23:503
2437299432,8cyclictest41-21ksoftirqd/310:03:483
2437299432,8cyclictest41-21ksoftirqd/310:03:483
24372994317,9cyclictest41-21ksoftirqd/311:13:373
24372994316,8cyclictest41-21ksoftirqd/310:15:023
24372994316,11cyclictest41-21ksoftirqd/309:21:263
2437299425,8cyclictest0-21swapper/309:38:433
2437299425,6cyclictest41-21ksoftirqd/309:28:343
24372994229,3cyclictest41-21ksoftirqd/310:54:533
2437299422,7cyclictest23693-21apt-config10:23:213
24364994230,7cyclictest33-21ksoftirqd/213:58:382
24372994131,3cyclictest41-21ksoftirqd/311:34:103
2437299402,7cyclictest0-21swapper/309:43:383
129392360,5sleep012942-21proc_pri13:23:460
24351993524,5cyclictest9-21ksoftirqd/009:48:350
232972339,11sleep125-21ksoftirqd/109:13:421
24364993226,3cyclictest33-21ksoftirqd/213:18:242
24355993225,4cyclictest25-21ksoftirqd/114:03:391
24364993124,4cyclictest33-21ksoftirqd/214:33:422
24364993025,3cyclictest33-21ksoftirqd/211:38:342
24364993024,3cyclictest33-21ksoftirqd/211:23:412
24364993018,9cyclictest33-21ksoftirqd/212:08:242
24355993025,3cyclictest25-21ksoftirqd/111:33:221
24355993024,3cyclictest25-21ksoftirqd/114:23:411
24351993025,3cyclictest9-21ksoftirqd/013:03:240
224562306,10sleep20-21swapper/209:13:352
24364992924,3cyclictest33-21ksoftirqd/212:43:242
24364992924,3cyclictest33-21ksoftirqd/210:33:212
24364992923,3cyclictest33-21ksoftirqd/214:23:462
24364992922,4cyclictest33-21ksoftirqd/212:58:452
2436499290,6cyclictest121rcu_preempt13:18:472
24355992924,3cyclictest25-21ksoftirqd/111:58:421
24355992923,3cyclictest25-21ksoftirqd/114:33:421
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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