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2025-11-21 - 10:19
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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 Fri Nov 21, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2553621690,5sleep21750299cyclictest23:47:462
177391990,4ptp4l401ktimersoftd/320:15:373
177391700,1ptp4l401ktimersoftd/322:35:373
17490996656,6cyclictest9-21ksoftirqd/022:02:010
74772650,2sleep20-21swapper/222:48:522
121062640,2sleep30-21swapper/322:54:443
17490996351,5cyclictest9-21ksoftirqd/000:16:590
144552630,2sleep10-21swapper/100:50:121
17490996150,6cyclictest9-21ksoftirqd/001:11:590
17490996050,4cyclictest9-21ksoftirqd/023:01:590
17490996047,6cyclictest9-21ksoftirqd/021:16:590
177391590,1ptp4l401ktimersoftd/321:33:033
171412594,43sleep00-21swapper/020:13:290
170542573,9sleep20-21swapper/220:12:222
46742560,2sleep30-21swapper/322:46:453
112992540,2sleep30-21swapper/323:32:053
17490995343,5cyclictest9-21ksoftirqd/023:27:010
5602520,2sleep00-21swapper/020:46:500
17490995141,5cyclictest9-21ksoftirqd/000:06:580
17490995132,10cyclictest9-21ksoftirqd/023:22:200
17496994944,3cyclictest0-21swapper/120:16:411
17490994930,3cyclictest9-21ksoftirqd/021:52:090
17490994836,3cyclictest9-21ksoftirqd/001:17:090
17490994740,3cyclictest9-21ksoftirqd/000:36:590
17490994723,3cyclictest9-21ksoftirqd/023:15:290
17490994722,6cyclictest9-21ksoftirqd/022:47:000
17490994637,4cyclictest9-21ksoftirqd/020:36:550
17490994630,3cyclictest9-21ksoftirqd/001:42:030
17490994622,4cyclictest9-21ksoftirqd/000:32:090
17490994620,6cyclictest9-21ksoftirqd/000:44:050
17490994537,4cyclictest9-21ksoftirqd/023:17:040
17490994518,4cyclictest9-21ksoftirqd/022:40:330
177391440,9ptp4l401ktimersoftd/322:19:003
17490994419,4cyclictest9-21ksoftirqd/022:55:510
17490994335,4cyclictest9-21ksoftirqd/020:16:460
17490994332,3cyclictest9-21ksoftirqd/000:02:050
17490994318,3cyclictest9-21ksoftirqd/000:01:400
17490994236,3cyclictest9-21ksoftirqd/001:27:180
17490994234,4cyclictest9-21ksoftirqd/000:11:510
17490994232,3cyclictest9-21ksoftirqd/000:27:160
17490994232,3cyclictest9-21ksoftirqd/000:27:160
17490994219,4cyclictest9-21ksoftirqd/023:07:040
17490994217,4cyclictest9-21ksoftirqd/023:47:040
17490994217,4cyclictest9-21ksoftirqd/022:25:040
1749099421,6cyclictest14359-21taskset22:19:240
17490994216,4cyclictest9-21ksoftirqd/022:32:080
17490994117,4cyclictest9-21ksoftirqd/022:41:480
17490994117,4cyclictest9-21ksoftirqd/001:41:190
17490994116,4cyclictest9-21ksoftirqd/021:32:550
17490994116,3cyclictest9-21ksoftirqd/023:41:040
1749099410,6cyclictest9-21ksoftirqd/023:32:000
1749099407,7cyclictest9-21ksoftirqd/020:31:410
17490994027,3cyclictest9-21ksoftirqd/001:36:490
17490994018,7cyclictest9-21ksoftirqd/000:57:050
1749099400,6cyclictest26060-21fgrep01:02:120
1751099390,35cyclictest17754-21grep00:17:023
17490993933,3cyclictest9-21ksoftirqd/001:07:050
17490993932,4cyclictest9-21ksoftirqd/020:31:450
17490993930,3cyclictest9-21ksoftirqd/022:27:540
17490993930,3cyclictest9-21ksoftirqd/022:07:020
17490993921,3cyclictest9-21ksoftirqd/021:22:260
17490993911,5cyclictest9-21ksoftirqd/021:41:560
1749099390,4cyclictest0-21swapper/021:12:070
177391380,1ptp4l401ktimersoftd/323:37:343
177391380,1ptp4l401ktimersoftd/323:27:203
177391380,1ptp4l401ktimersoftd/323:14:533
177391380,1ptp4l401ktimersoftd/320:46:563
177391380,1ptp4l401ktimersoftd/301:27:513
177391380,1ptp4l401ktimersoftd/301:10:173
177391380,1ptp4l401ktimersoftd/301:02:383
177391380,1ptp4l401ktimersoftd/300:51:263
177391380,1ptp4l401ktimersoftd/300:31:293
177391380,1ptp4l401ktimersoftd/300:31:293
177391380,1ptp4l401ktimersoftd/300:23:353
177391380,1ptp4l401ktimersoftd/300:23:353
177391380,0ptp4l401ktimersoftd/301:14:223
17510993817,18cyclictest24794-21cut23:47:093
1749099388,4cyclictest9-21ksoftirqd/000:47:070
1749099386,6cyclictest121rcu_preempt21:56:570
1749099383,4cyclictest9-21ksoftirqd/021:07:130
17490993833,3cyclictest9-21ksoftirqd/001:26:480
17490993832,3cyclictest9-21ksoftirqd/021:37:050
17490993832,3cyclictest9-21ksoftirqd/000:26:460
17490993832,3cyclictest9-21ksoftirqd/000:26:460
17490993830,5cyclictest9-21ksoftirqd/023:42:000
17490993825,3cyclictest9-21ksoftirqd/020:22:040
17490993810,6cyclictest9-21ksoftirqd/020:57:030
17490993810,6cyclictest9-21ksoftirqd/020:57:030
177391370,1ptp4l401ktimersoftd/323:54:393
177391370,1ptp4l401ktimersoftd/323:23:483
177391370,1ptp4l401ktimersoftd/321:22:393
177391370,1ptp4l401ktimersoftd/301:21:453
177391370,1ptp4l401ktimersoftd/300:57:403
177391370,1ptp4l401ktimersoftd/300:52:413
177391370,1ptp4l401ktimersoftd/300:39:093
177391370,1ptp4l401ktimersoftd/300:04:133
177391370,0ptp4l401ktimersoftd/322:22:183
17502993732,3cyclictest33-21ksoftirqd/200:17:052
17490993732,3cyclictest9-21ksoftirqd/000:52:070
17490993731,3cyclictest9-21ksoftirqd/023:52:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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