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2026-03-31 - 14:34
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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 Tue Mar 31, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2907722790,3sleep00-21swapper/020:05:250
3102121660,3sleep23018999cyclictest01:01:302
507921640,3sleep33019699cyclictest00:35:293
3051321480,3sleep03017999cyclictest22:15:350
1068911010,4ptp4l401ktimersoftd/320:08:563
106891690,1ptp4l401ktimersoftd/323:37:393
282362650,2sleep00-21swapper/023:52:550
106891640,1ptp4l401ktimersoftd/321:30:283
168702630,3sleep20-21swapper/222:35:242
168702630,3sleep20-21swapper/222:35:242
106891610,1ptp4l401ktimersoftd/323:01:223
106891610,1ptp4l401ktimersoftd/301:10:313
106891610,1ptp4l401ktimersoftd/300:05:283
43622600,2sleep34363-21uname22:55:283
89392580,2sleep20-21swapper/200:40:102
106891580,1ptp4l401ktimersoftd/322:25:383
179452570,2sleep00-21swapper/023:10:190
106891560,1ptp4l401ktimersoftd/321:17:043
106891550,1ptp4l401ktimersoftd/323:31:573
106891540,1ptp4l401ktimersoftd/322:15:023
106891540,1ptp4l401ktimersoftd/300:03:243
153862530,2sleep30-21swapper/320:45:053
10832520,1sleep30-21swapper/323:58:363
30189995119,8cyclictest33-21ksoftirqd/223:55:392
106891510,2ptp4l16109-21kworker/3:222:21:313
297382504,33sleep20-21swapper/220:05:362
106891490,1ptp4l401ktimersoftd/300:25:013
106891490,1ptp4l401ktimersoftd/300:25:013
30189994842,3cyclictest33-21ksoftirqd/201:30:222
106891480,2ptp4l30214-21kworker/3:001:01:243
30189994740,4cyclictest33-21ksoftirqd/220:55:182
30189994740,4cyclictest33-21ksoftirqd/220:20:162
30189994538,4cyclictest33-21ksoftirqd/222:00:182
30189994516,6cyclictest33-21ksoftirqd/223:15:272
106891450,0ptp4l401ktimersoftd/322:42:313
3018999449,7cyclictest33-21ksoftirqd/201:25:112
30189994337,3cyclictest33-21ksoftirqd/201:05:252
30189994331,3cyclictest33-21ksoftirqd/223:40:372
106891430,1ptp4l401ktimersoftd/323:50:203
30189994236,3cyclictest33-21ksoftirqd/220:30:082
30189994235,4cyclictest33-21ksoftirqd/222:10:102
30189994222,6cyclictest33-21ksoftirqd/221:20:182
30189994217,4cyclictest33-21ksoftirqd/222:15:232
30189994215,6cyclictest33-21ksoftirqd/223:10:222
30189994213,6cyclictest33-21ksoftirqd/223:50:262
30189994213,6cyclictest33-21ksoftirqd/223:45:342
30189994131,3cyclictest33-21ksoftirqd/223:25:092
30189994130,3cyclictest33-21ksoftirqd/201:14:352
30189994130,3cyclictest33-21ksoftirqd/200:18:072
30189994128,9cyclictest33-21ksoftirqd/200:30:332
30189994118,4cyclictest33-21ksoftirqd/221:50:252
30189994117,3cyclictest33-21ksoftirqd/222:50:262
30189994115,4cyclictest33-21ksoftirqd/200:23:172
30189994115,4cyclictest33-21ksoftirqd/200:23:172
3018999409,7cyclictest33-21ksoftirqd/223:26:182
30189994026,3cyclictest33-21ksoftirqd/200:50:282
30189994025,3cyclictest33-21ksoftirqd/222:30:202
30189994024,6cyclictest33-21ksoftirqd/223:30:302
30189994014,5cyclictest33-21ksoftirqd/223:05:272
30189994013,6cyclictest33-21ksoftirqd/200:00:272
3018999399,6cyclictest33-21ksoftirqd/222:10:062
30189993922,6cyclictest33-21ksoftirqd/222:40:312
30189993919,4cyclictest33-21ksoftirqd/221:00:272
30189993917,7cyclictest33-21ksoftirqd/222:25:342
30189993915,7cyclictest33-21ksoftirqd/223:35:252
30189993915,4cyclictest33-21ksoftirqd/222:55:272
30189993915,4cyclictest33-21ksoftirqd/222:50:072
30196993827,6cyclictest41-21ksoftirqd/301:25:233
3018999384,7cyclictest33-21ksoftirqd/201:16:342
30189993831,3cyclictest33-21ksoftirqd/222:00:062
30189993828,3cyclictest33-21ksoftirqd/223:05:082
30189993825,4cyclictest33-21ksoftirqd/200:40:392
3018999381,4cyclictest33-21ksoftirqd/200:10:272
30189993813,4cyclictest33-21ksoftirqd/201:25:222
3018999378,6cyclictest33-21ksoftirqd/221:40:222
30189993730,3cyclictest33-21ksoftirqd/221:20:052
3018999372,6cyclictest33-21ksoftirqd/220:15:042
30189993723,11cyclictest33-21ksoftirqd/221:10:212
30189993718,11cyclictest33-21ksoftirqd/220:50:202
30189993718,11cyclictest33-21ksoftirqd/220:50:202
30189993713,4cyclictest33-21ksoftirqd/221:05:282
3018999370,3cyclictest121rcu_preempt22:20:372
282852373,20sleep128306-21/usr/sbin/munin20:05:191
106891370,1ptp4l401ktimersoftd/323:47:113
106891370,1ptp4l401ktimersoftd/322:50:533
106891370,1ptp4l401ktimersoftd/322:49:153
106891370,1ptp4l401ktimersoftd/322:15:563
106891370,1ptp4l401ktimersoftd/300:49:353
106891370,1ptp4l401ktimersoftd/300:28:413
106891370,1ptp4l401ktimersoftd/300:20:093
106891370,0ptp4l401ktimersoftd/300:34:383
3019699369,4cyclictest41-21ksoftirqd/321:50:223
3019699363,5cyclictest24955-21head00:55:343
3018999365,6cyclictest33-21ksoftirqd/200:55:272
30189993630,3cyclictest33-21ksoftirqd/200:05:282
30189993613,3cyclictest33-21ksoftirqd/220:45:332
30189993613,3cyclictest33-21ksoftirqd/220:45:332
106891360,1ptp4l401ktimersoftd/323:42:333
106891360,1ptp4l401ktimersoftd/323:29:053
106891360,1ptp4l401ktimersoftd/323:22:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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