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2026-05-17 - 16:58
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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 Sun May 17, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
708821860,4sleep32048699cyclictest13:13:123
1480621130,4sleep09-21ksoftirqd/011:09:310
1480621130,4sleep09-21ksoftirqd/011:09:310
1068911060,4ptp4l401ktimersoftd/308:31:273
43962640,5sleep02046799cyclictest13:11:320
167902570,3sleep2321ktimersoftd/211:44:022
56732560,1sleep30-21swapper/311:01:233
20467995518,6cyclictest9-21ksoftirqd/013:28:140
78972540,2sleep10-21swapper/113:46:581
233472540,1sleep30-21swapper/308:41:243
199742520,2sleep20-21swapper/211:14:392
2046799507,12cyclictest9-21ksoftirqd/013:01:470
20467995020,8cyclictest9-21ksoftirqd/013:33:360
2046799495,8cyclictest9-21ksoftirqd/011:11:400
220192480,2sleep122021-21ethtool11:16:431
2048699481,12cyclictest21352-21acpi11:16:363
2046799486,9cyclictest9-21ksoftirqd/010:56:420
2046799486,10cyclictest9-21ksoftirqd/009:36:540
2046799486,10cyclictest9-21ksoftirqd/009:36:540
2046799483,7cyclictest12592-21munin-run09:26:220
20467994820,4cyclictest9-21ksoftirqd/013:57:280
20467994819,4cyclictest9-21ksoftirqd/012:20:460
20467994818,7cyclictest9-21ksoftirqd/013:55:550
2048699471,12cyclictest10520-21switchtime10:26:533
2046799476,6cyclictest9-21ksoftirqd/012:41:510
2046799476,10cyclictest9-21ksoftirqd/011:46:260
2046799475,9cyclictest9-21ksoftirqd/012:21:430
2046799475,9cyclictest9-21ksoftirqd/008:41:400
2046799475,8cyclictest9-21ksoftirqd/013:36:470
2046799474,7cyclictest0-21swapper/011:21:260
2046799473,9cyclictest9-21ksoftirqd/013:11:280
20467994721,7cyclictest9-21ksoftirqd/012:36:580
20467994721,4cyclictest9-21ksoftirqd/011:35:350
20467994720,7cyclictest9-21ksoftirqd/010:36:560
20467994719,9cyclictest9-21ksoftirqd/014:03:060
20467994719,7cyclictest9-21ksoftirqd/010:08:110
20467994719,5cyclictest9-21ksoftirqd/011:59:340
20467994719,5cyclictest9-21ksoftirqd/011:54:570
20467994718,4cyclictest9-21ksoftirqd/012:56:280
20467994718,4cyclictest9-21ksoftirqd/012:56:280
20467994718,4cyclictest9-21ksoftirqd/011:40:450
2048099463,13cyclictest13997-21ssh10:36:352
2046799467,6cyclictest9-21ksoftirqd/009:31:220
20467994620,6cyclictest9-21ksoftirqd/012:16:230
20467994620,4cyclictest9-21ksoftirqd/013:49:450
20467994618,7cyclictest9-21ksoftirqd/013:16:450
20467994618,4cyclictest9-21ksoftirqd/011:48:400
2046799454,11cyclictest9-21ksoftirqd/008:56:360
20467994520,4cyclictest9-21ksoftirqd/012:32:080
20467994517,7cyclictest9-21ksoftirqd/011:28:320
20467994516,11cyclictest9-21ksoftirqd/009:46:440
20467994511,3cyclictest9-21ksoftirqd/011:03:420
2048099444,9cyclictest11028-21ssh12:11:382
2046799445,9cyclictest9-21ksoftirqd/013:26:290
2046799444,9cyclictest9-21ksoftirqd/009:16:440
2046799443,7cyclictest9-21ksoftirqd/011:21:550
2046799443,12cyclictest9-21ksoftirqd/012:26:400
2046799442,9cyclictest9-21ksoftirqd/012:06:270
20467994419,6cyclictest9-21ksoftirqd/009:07:050
20467994418,9cyclictest9-21ksoftirqd/012:46:490
20467994417,7cyclictest9-21ksoftirqd/010:02:290
20467994416,7cyclictest9-21ksoftirqd/013:42:330
2046799436,4cyclictest21986-21ssh12:56:280
2046799435,9cyclictest9-21ksoftirqd/010:21:540
2046799435,7cyclictest23049-21munin-node08:41:220
2046799435,6cyclictest9-21ksoftirqd/010:46:390
2046799435,10cyclictest9-21ksoftirqd/010:41:380
2046799434,7cyclictest9-21ksoftirqd/009:41:330
2046799433,9cyclictest9-21ksoftirqd/010:51:440
2046799432,9cyclictest9-21ksoftirqd/012:07:590
20467994319,9cyclictest9-21ksoftirqd/008:51:360
20467994319,4cyclictest9-21ksoftirqd/009:58:480
2046799431,7cyclictest9-21ksoftirqd/009:31:530
2046799413,11cyclictest9-21ksoftirqd/010:11:370
20467994130,3cyclictest9-21ksoftirqd/009:51:390
2046799412,11cyclictest9-21ksoftirqd/008:46:420
106891410,1ptp4l401ktimersoftd/312:11:483
2046799406,9cyclictest9-21ksoftirqd/008:36:220
2046799402,8cyclictest9-21ksoftirqd/009:01:390
2046799402,11cyclictest9-21ksoftirqd/010:31:410
20467994015,10cyclictest9-21ksoftirqd/009:11:360
2027724018,11sleep125-21ksoftirqd/108:35:241
106891400,1ptp4l401ktimersoftd/312:06:023
106891400,1ptp4l401ktimersoftd/311:58:433
2046799394,9cyclictest9-21ksoftirqd/010:16:420
2046799390,8cyclictest9-21ksoftirqd/010:26:250
106891390,1ptp4l401ktimersoftd/312:44:073
106891390,1ptp4l401ktimersoftd/312:35:543
106891380,1ptp4l401ktimersoftd/313:41:043
106891380,1ptp4l401ktimersoftd/313:03:003
106891380,1ptp4l401ktimersoftd/312:59:443
106891380,1ptp4l401ktimersoftd/312:59:443
106891380,1ptp4l401ktimersoftd/312:40:473
106891380,1ptp4l401ktimersoftd/312:24:003
106891380,1ptp4l401ktimersoftd/311:45:413
106891380,1ptp4l401ktimersoftd/311:11:363
106891380,1ptp4l401ktimersoftd/310:53:513
106891380,1ptp4l401ktimersoftd/310:39:373
106891380,0ptp4l401ktimersoftd/313:23:443
106891370,1ptp4l401ktimersoftd/313:59:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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