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2026-06-23 - 01:35
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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 Mon Jun 22, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
365321660,3sleep33267499cyclictest11:38:183
2386621510,5sleep33267499cyclictest11:26:343
106891970,4ptp4l401ktimersoftd/308:54:593
163252630,2sleep10-21swapper/113:31:221
301912620,2sleep30-21swapper/311:00:003
301912620,2sleep30-21swapper/311:00:003
16562620,2sleep30-21swapper/313:48:143
9412610,2sleep30-21swapper/312:08:213
32654996013,25cyclictest18800-21expr11:21:320
106891600,1ptp4l401ktimersoftd/313:46:033
106891570,1ptp4l401ktimersoftd/314:01:233
106891570,1ptp4l401ktimersoftd/313:59:403
76032560,3sleep27599-21munin-run12:16:192
106891550,1ptp4l401ktimersoftd/311:15:213
106891540,1ptp4l401ktimersoftd/312:19:463
6052530,1sleep10-21swapper/108:56:291
6052530,1sleep10-21swapper/108:56:291
266262520,2sleep30-21swapper/314:14:203
304142514,34sleep20-21swapper/208:51:222
106891490,3ptp4l27280-21kworker/3:012:23:223
106891480,1ptp4l401ktimersoftd/314:10:573
106891460,2ptp4l961-21kworker/3:111:51:253
3265499452,36cyclictest6883-21apt-get13:21:340
3265499442,35cyclictest21670-21apt-get13:36:330
32666994232,6cyclictest33-21ksoftirqd/211:51:332
3265499422,33cyclictest8777-21apt-get11:11:310
324752425,10sleep00-21swapper/008:55:240
106891420,1ptp4l401ktimersoftd/311:41:403
3265999415,29cyclictest0-21swapper/113:21:341
3265999415,10cyclictest13599-21ssh14:01:341
3265499410,3cyclictest16116-21/usr/sbin/munin09:26:310
106891400,1ptp4l401ktimersoftd/311:31:233
106891400,10ptp4l401ktimersoftd/310:32:073
32659993912,4cyclictest5423-21fschecks_time12:46:361
3265499393,28cyclictest24683-21apt-get13:06:300
3265499392,31cyclictest3518-21apt-get09:01:280
3265499392,31cyclictest3518-21apt-get09:01:280
3265499392,31cyclictest13217-21apt-get09:21:260
3265499392,30cyclictest5823-21apt-get11:41:280
3265499392,29cyclictest8270-21apt-get09:11:280
32654993916,20cyclictest22778-21cpuspeed_turbos12:31:320
3265499391,3cyclictest12432-21tune2fs10:26:320
32654993913,22cyclictest8310-21latency_hist13:56:220
3223023915,13sleep125-21ksoftirqd/108:52:101
106891390,1ptp4l401ktimersoftd/313:18:243
106891390,1ptp4l401ktimersoftd/313:13:353
106891390,1ptp4l401ktimersoftd/312:33:563
106891390,1ptp4l401ktimersoftd/311:09:063
3265999381,13cyclictest31372-21ssh11:01:301
3265499383,29cyclictest26452-21apt-get10:56:310
3265499383,29cyclictest26452-21apt-get10:56:310
3265499382,32cyclictest0-21swapper/012:26:300
3265499382,31cyclictest3870-21apt-get11:06:290
3265499382,31cyclictest28419-21apt-get11:31:290
3265499382,29cyclictest5034-21apt-get12:46:320
32654993814,21cyclictest20544-21expr09:36:300
3265499381,33cyclictest0-21swapper/010:16:290
3265499380,4cyclictest2397-21tail14:21:500
3265499380,4cyclictest2397-21tail14:21:500
3265499380,4cyclictest2263-21ssh13:49:170
3265499380,4cyclictest17341-21ssh11:51:460
3265499380,3cyclictest14742-21/usr/sbin/munin12:21:510
106891380,1ptp4l401ktimersoftd/314:23:533
106891380,1ptp4l401ktimersoftd/314:23:533
106891380,1ptp4l401ktimersoftd/313:41:073
106891380,1ptp4l401ktimersoftd/313:33:553
106891380,1ptp4l401ktimersoftd/313:22:323
106891380,1ptp4l401ktimersoftd/312:54:263
106891380,1ptp4l401ktimersoftd/312:30:393
106891380,1ptp4l401ktimersoftd/311:59:313
106891380,1ptp4l401ktimersoftd/310:01:463
106891380,0ptp4l401ktimersoftd/312:39:323
32666993728,5cyclictest33-21ksoftirqd/213:31:322
3265999377,8cyclictest10524-21grep11:11:481
3265999372,7cyclictest26452-21apt-get10:56:311
3265999372,7cyclictest26452-21apt-get10:56:311
3265999371,9cyclictest20335-21apt-get09:36:281
32659993712,3cyclictest30116-21ls09:56:311
32659993711,4cyclictest834-21irqrtprio10:01:351
3265499372,29cyclictest25679-21apt-get12:01:310
3265499372,28cyclictest21597-21apt-get10:46:300
32654993717,17cyclictest9-21ksoftirqd/009:31:520
32654993714,20cyclictest16434-21sh14:03:350
3265499371,32cyclictest0-21swapper/014:16:340
32654993713,21cyclictest26028-21diskmemload11:26:510
3265499371,31cyclictest31361-21apt-get11:01:300
3265499371,31cyclictest0-21swapper/010:01:280
32654993711,23cyclictest15375-21sed10:31:370
3265499370,4cyclictest2604-21ssh12:42:550
3265499370,4cyclictest2604-21ssh12:42:550
3265499370,4cyclictest23659-21fschecks_count14:11:370
3265499370,2cyclictest65882sleep010:13:360
140402370,19sleep232015-21kworker/u8:214:01:382
106891370,1ptp4l401ktimersoftd/314:17:513
106891370,1ptp4l401ktimersoftd/313:54:023
106891370,1ptp4l401ktimersoftd/313:05:553
106891370,1ptp4l401ktimersoftd/312:56:243
106891370,1ptp4l401ktimersoftd/312:44:153
106891370,1ptp4l401ktimersoftd/312:44:153
106891370,1ptp4l401ktimersoftd/312:12:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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