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2025-11-28 - 09:38
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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 28, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3081121450,5sleep0253199cyclictest00:45:560
1773911040,4ptp4l401ktimersoftd/320:16:353
2531999075,6cyclictest9-21ksoftirqd/000:15:520
262932880,2sleep10-21swapper/122:53:231
2542998575,6cyclictest33-21ksoftirqd/201:15:522
2542997666,5cyclictest33-21ksoftirqd/201:40:572
2542997660,10cyclictest33-21ksoftirqd/220:20:472
2542997260,6cyclictest33-21ksoftirqd/221:15:492
177391710,1ptp4l401ktimersoftd/301:16:393
2531997057,7cyclictest9-21ksoftirqd/023:55:520
324412690,2sleep30-21swapper/321:20:513
324412690,2sleep30-21swapper/321:20:513
2531996857,6cyclictest9-21ksoftirqd/001:10:570
177391680,9ptp4l401ktimersoftd/300:23:553
177391680,1ptp4l401ktimersoftd/301:26:503
101612670,2sleep10-21swapper/101:36:031
2542996654,6cyclictest33-21ksoftirqd/221:45:482
2531996554,5cyclictest9-21ksoftirqd/023:40:510
2531996552,6cyclictest9-21ksoftirqd/023:15:530
2531996552,5cyclictest9-21ksoftirqd/001:35:560
2542996452,6cyclictest33-21ksoftirqd/223:50:512
2531996452,6cyclictest9-21ksoftirqd/023:30:500
177391630,1ptp4l401ktimersoftd/322:42:283
177032630,4sleep017705-21proc_pri00:31:020
2531996251,5cyclictest9-21ksoftirqd/001:00:550
177391620,1ptp4l401ktimersoftd/321:51:063
101802620,3sleep010184-21unixbench_multi23:46:100
2531996149,6cyclictest9-21ksoftirqd/023:20:500
78192600,1sleep00-21swapper/023:09:000
78192600,1sleep00-21swapper/023:09:000
76982600,1sleep10-21swapper/100:20:551
2542996046,8cyclictest33-21ksoftirqd/200:25:522
2531996048,5cyclictest9-21ksoftirqd/022:30:490
2542995949,5cyclictest33-21ksoftirqd/201:45:542
177391590,1ptp4l401ktimersoftd/323:36:163
2531995846,6cyclictest9-21ksoftirqd/000:35:530
177391580,2ptp4l12137-21kworker/3:223:41:293
177391580,1ptp4l401ktimersoftd/321:31:423
123572580,1sleep20-21swapper/223:50:212
2531995444,5cyclictest9-21ksoftirqd/023:25:500
177391540,1ptp4l401ktimersoftd/323:27:513
32752530,2sleep30-21swapper/322:28:123
2531995343,5cyclictest9-21ksoftirqd/021:40:480
2542995240,7cyclictest33-21ksoftirqd/201:05:522
2531995242,5cyclictest9-21ksoftirqd/020:45:470
2542994938,5cyclictest33-21ksoftirqd/222:50:502
2531994837,5cyclictest9-21ksoftirqd/021:35:490
2531994837,5cyclictest9-21ksoftirqd/020:25:460
177391480,2ptp4l32235-21kworker/3:021:04:163
2531994737,4cyclictest9-21ksoftirqd/000:55:540
2531994737,4cyclictest9-21ksoftirqd/000:55:540
2531994519,3cyclictest9-21ksoftirqd/020:40:470
177391450,3ptp4l29250-21kworker/3:122:58:043
177391440,2ptp4l12137-21kworker/3:223:55:133
2542994336,4cyclictest33-21ksoftirqd/222:35:422
2531994332,5cyclictest9-21ksoftirqd/020:35:470
177391430,0ptp4l401ktimersoftd/322:33:233
33424219,12sleep125-21ksoftirqd/120:15:481
2531994217,3cyclictest9-21ksoftirqd/020:20:580
177391420,17ptp4l401ktimersoftd/300:10:563
2531994134,3cyclictest9-21ksoftirqd/000:40:440
2542994034,3cyclictest33-21ksoftirqd/200:40:522
2542994027,11cyclictest33-21ksoftirqd/223:01:032
2542994015,6cyclictest33-21ksoftirqd/200:10:392
2531994033,4cyclictest9-21ksoftirqd/023:35:510
2531994018,14cyclictest9-21ksoftirqd/021:10:580
2531994017,14cyclictest9-21ksoftirqd/000:21:000
2531994016,3cyclictest9-21ksoftirqd/020:30:530
2542993922,6cyclictest33-21ksoftirqd/223:05:562
2542993922,6cyclictest33-21ksoftirqd/223:05:562
2531993930,5cyclictest9-21ksoftirqd/023:10:500
2531993930,5cyclictest9-21ksoftirqd/000:05:520
2531993926,10cyclictest9-21ksoftirqd/000:50:540
2531993926,10cyclictest9-21ksoftirqd/000:50:540
2531993921,4cyclictest9-21ksoftirqd/023:51:080
177391390,1ptp4l401ktimersoftd/323:58:403
177391390,1ptp4l401ktimersoftd/320:40:463
177391390,1ptp4l401ktimersoftd/320:20:583
177391390,1ptp4l401ktimersoftd/300:45:373
177391390,1ptp4l401ktimersoftd/300:37:313
177391390,16ptp4l401ktimersoftd/320:30:563
177391390,0ptp4l401ktimersoftd/323:34:253
2542993825,10cyclictest33-21ksoftirqd/223:30:512
2531993832,3cyclictest9-21ksoftirqd/021:50:360
2531993831,3cyclictest9-21ksoftirqd/023:00:520
2531993816,7cyclictest9-21ksoftirqd/022:28:230
177391380,1ptp4l401ktimersoftd/323:18:043
177391380,1ptp4l401ktimersoftd/323:01:403
177391380,1ptp4l401ktimersoftd/322:48:573
177391380,1ptp4l401ktimersoftd/322:37:243
177391380,1ptp4l401ktimersoftd/322:24:583
177391380,1ptp4l401ktimersoftd/300:29:533
2531993732,3cyclictest9-21ksoftirqd/001:50:420
2531993730,4cyclictest9-21ksoftirqd/001:15:520
177391370,1ptp4l401ktimersoftd/323:50:293
177391370,1ptp4l401ktimersoftd/323:20:513
177391370,1ptp4l401ktimersoftd/322:51:593
177391370,1ptp4l401ktimersoftd/320:55:523
177391370,1ptp4l401ktimersoftd/301:40:333
177391370,1ptp4l401ktimersoftd/301:11:443
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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