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2026-08-02 - 14:56
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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 Aug 02, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
106891920,4ptp4l401ktimersoftd/321:16:533
209552690,2sleep20-21swapper/202:34:052
15622640,4sleep02800999cyclictest00:03:520
278582614,10sleep10-21swapper/121:18:001
106891570,1ptp4l401ktimersoftd/323:59:593
284362560,2sleep10-21swapper/123:58:061
106891560,1ptp4l401ktimersoftd/301:04:423
285952550,2sleep00-21swapper/023:24:090
106891550,1ptp4l401ktimersoftd/301:19:313
28009995423,6cyclictest9-21ksoftirqd/000:13:400
28029995326,4cyclictest41-21ksoftirqd/300:23:573
28021995327,13cyclictest33-21ksoftirqd/200:09:102
2802999528,9cyclictest121rcu_preempt00:34:113
28009995236,3cyclictest9-21ksoftirqd/000:23:410
106891520,1ptp4l401ktimersoftd/302:34:083
28009995122,6cyclictest9-21ksoftirqd/022:43:500
28009995122,6cyclictest9-21ksoftirqd/001:14:060
236582510,5sleep02800999cyclictest02:04:040
28029995022,3cyclictest41-21ksoftirqd/302:43:433
2802199499,4cyclictest33-21ksoftirqd/200:44:262
28016994938,4cyclictest25-21ksoftirqd/101:38:551
106891490,1ptp4l401ktimersoftd/302:19:423
28009994820,6cyclictest9-21ksoftirqd/022:38:520
28009994820,6cyclictest9-21ksoftirqd/000:40:460
28009994820,5cyclictest9-21ksoftirqd/023:46:010
258582480,3sleep233-21ksoftirqd/221:13:492
2802999475,3cyclictest121rcu_preempt00:29:093
28029994737,5cyclictest41-21ksoftirqd/323:23:523
28021994716,4cyclictest33-21ksoftirqd/201:48:582
2800999474,7cyclictest9-21ksoftirqd/002:24:130
28009994732,3cyclictest9-21ksoftirqd/001:27:490
28009994732,3cyclictest9-21ksoftirqd/001:27:490
28009994723,7cyclictest9-21ksoftirqd/002:19:110
28009994720,6cyclictest9-21ksoftirqd/021:43:550
28009994719,5cyclictest9-21ksoftirqd/023:32:050
28009994719,5cyclictest9-21ksoftirqd/001:43:590
28009994719,4cyclictest9-21ksoftirqd/001:36:060
28009994718,6cyclictest9-21ksoftirqd/023:52:540
2800999466,8cyclictest14016-21apt-get23:03:390
2800999463,7cyclictest9-21ksoftirqd/023:03:540
28009994633,3cyclictest9-21ksoftirqd/000:52:510
28009994619,7cyclictest9-21ksoftirqd/022:49:090
28009994618,7cyclictest9-21ksoftirqd/000:58:410
28009994618,7cyclictest9-21ksoftirqd/000:44:190
28029994521,3cyclictest41-21ksoftirqd/302:17:583
28021994519,4cyclictest33-21ksoftirqd/200:53:582
2800999456,10cyclictest9-21ksoftirqd/000:14:290
28009994532,3cyclictest9-21ksoftirqd/001:09:470
28009994521,7cyclictest9-21ksoftirqd/021:38:510
28009994520,4cyclictest9-21ksoftirqd/002:47:520
28009994519,9cyclictest9-21ksoftirqd/023:41:380
28009994518,7cyclictest9-21ksoftirqd/000:59:560
28009994517,7cyclictest9-21ksoftirqd/002:39:190
28009994517,7cyclictest9-21ksoftirqd/002:37:100
28009994517,7cyclictest9-21ksoftirqd/001:21:510
28009994517,6cyclictest9-21ksoftirqd/021:19:060
28009994517,6cyclictest9-21ksoftirqd/001:07:520
2802199442,4cyclictest33-21ksoftirqd/202:24:192
28021994418,4cyclictest33-21ksoftirqd/200:29:052
2802199441,5cyclictest33-21ksoftirqd/202:29:122
28016994434,5cyclictest25-21ksoftirqd/100:18:531
2800999441,8cyclictest9-21ksoftirqd/002:09:060
28009994418,4cyclictest9-21ksoftirqd/000:00:430
28009994417,7cyclictest9-21ksoftirqd/001:54:010
28009994416,6cyclictest9-21ksoftirqd/021:29:040
28009994416,6cyclictest9-21ksoftirqd/001:32:450
28009994416,11cyclictest9-21ksoftirqd/022:18:560
2800999435,8cyclictest9-21ksoftirqd/022:58:380
2800999433,9cyclictest9-21ksoftirqd/021:54:050
2800999433,9cyclictest9-21ksoftirqd/021:54:050
28009994330,3cyclictest9-21ksoftirqd/023:19:440
28009994330,3cyclictest9-21ksoftirqd/022:23:590
28009994330,3cyclictest9-21ksoftirqd/002:18:170
28009994316,9cyclictest9-21ksoftirqd/002:03:330
106891430,0ptp4l401ktimersoftd/300:51:373
2802199429,10cyclictest33-21ksoftirqd/200:34:002
2802199422,4cyclictest33-21ksoftirqd/201:33:582
28021994218,3cyclictest33-21ksoftirqd/223:54:102
2800999429,3cyclictest9-21ksoftirqd/001:42:400
28009994230,3cyclictest9-21ksoftirqd/023:56:340
28009994230,3cyclictest9-21ksoftirqd/000:20:030
28009994229,3cyclictest9-21ksoftirqd/000:32:000
2800999421,7cyclictest958-21awk21:28:360
2800999421,7cyclictest9-21ksoftirqd/001:49:120
2802199412,4cyclictest33-21ksoftirqd/223:34:072
2802199412,4cyclictest33-21ksoftirqd/201:18:532
2802199412,4cyclictest33-21ksoftirqd/200:53:292
2800999419,3cyclictest9-21ksoftirqd/022:14:060
2800999413,5cyclictest21557-21diskmemload02:28:590
28009994132,3cyclictest9-21ksoftirqd/021:33:520
2800999412,9cyclictest9-21ksoftirqd/000:34:000
28009994129,3cyclictest9-21ksoftirqd/023:38:110
2800999411,8cyclictest9-21ksoftirqd/022:13:370
28009994115,7cyclictest9-21ksoftirqd/023:13:580
106891410,3ptp4l5531-21kworker/3:101:33:583
2802999405,3cyclictest41-21ksoftirqd/323:38:393
28029994030,5cyclictest41-21ksoftirqd/300:46:343
28029994015,3cyclictest41-21ksoftirqd/323:03:393
2802199403,5cyclictest33-21ksoftirqd/201:58:472
28021994025,4cyclictest33-21ksoftirqd/200:28:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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