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2026-09-16 - 05:22
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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 Wed Sep 16, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2537421720,4sleep1674699cyclictest22:18:491
2230521600,5sleep0674299cyclictest00:04:470
1850121550,4sleep2675599cyclictest00:01:402
1068911030,3ptp4l401ktimersoftd/321:41:113
106891820,11ptp4l401ktimersoftd/323:58:323
106891740,1ptp4l401ktimersoftd/301:51:553
132272700,3sleep113225-21memory00:28:491
106891680,1ptp4l401ktimersoftd/300:22:493
106891670,1ptp4l401ktimersoftd/302:17:443
106891670,1ptp4l401ktimersoftd/301:43:333
106891660,1ptp4l401ktimersoftd/323:33:553
165522650,4sleep0674299cyclictest01:38:460
270502600,4sleep327054-21cpuspeed_turbos00:43:443
106891580,1ptp4l401ktimersoftd/301:57:143
105682580,2sleep30-21swapper/300:26:263
106891570,1ptp4l401ktimersoftd/300:48:373
180312560,2sleep20-21swapper/202:13:332
137202560,3sleep3676099cyclictest21:53:503
137202560,3sleep3676099cyclictest21:53:503
106891560,1ptp4l401ktimersoftd/322:46:073
106891560,1ptp4l401ktimersoftd/301:21:173
220862550,1sleep20-21swapper/201:10:372
106891550,1ptp4l401ktimersoftd/302:38:273
106891550,1ptp4l401ktimersoftd/300:37:213
6742995421,8cyclictest9-21ksoftirqd/001:51:100
65542544,10sleep10-21swapper/121:42:241
60982520,2sleep00-21swapper/000:53:570
149642520,2sleep10-21swapper/121:58:421
149642520,2sleep10-21swapper/121:58:421
106891510,1ptp4l401ktimersoftd/302:01:593
6742995022,6cyclictest9-21ksoftirqd/002:57:200
6742995021,7cyclictest9-21ksoftirqd/002:01:130
6742995021,7cyclictest9-21ksoftirqd/001:08:310
6742995021,7cyclictest9-21ksoftirqd/000:17:450
6742994923,9cyclictest9-21ksoftirqd/000:38:410
6742994922,4cyclictest9-21ksoftirqd/001:45:380
6742994921,7cyclictest9-21ksoftirqd/002:52:530
6742994921,6cyclictest9-21ksoftirqd/000:24:120
6742994920,7cyclictest9-21ksoftirqd/021:58:500
6742994920,7cyclictest9-21ksoftirqd/021:58:500
6742994920,6cyclictest9-21ksoftirqd/000:30:210
173492490,4sleep09-21ksoftirqd/023:10:030
6742994821,7cyclictest9-21ksoftirqd/023:23:390
6742994820,6cyclictest9-21ksoftirqd/023:54:570
6742994820,6cyclictest9-21ksoftirqd/003:01:360
6742994820,6cyclictest9-21ksoftirqd/002:43:230
6742994820,5cyclictest9-21ksoftirqd/001:09:120
674299476,6cyclictest9-21ksoftirqd/003:13:340
6742994720,7cyclictest9-21ksoftirqd/001:19:040
6742994720,7cyclictest9-21ksoftirqd/000:10:530
6742994720,6cyclictest9-21ksoftirqd/002:29:320
6742994720,6cyclictest9-21ksoftirqd/002:21:100
6742994720,6cyclictest9-21ksoftirqd/001:28:370
6742994720,6cyclictest9-21ksoftirqd/001:28:370
6742994720,5cyclictest9-21ksoftirqd/001:57:230
6742994719,6cyclictest9-21ksoftirqd/002:38:010
6742994719,6cyclictest9-21ksoftirqd/001:35:300
6742994719,6cyclictest9-21ksoftirqd/001:35:300
6742994635,3cyclictest9-21ksoftirqd/000:47:500
6742994621,4cyclictest9-21ksoftirqd/002:45:070
6742994620,4cyclictest9-21ksoftirqd/023:47:410
6742994619,6cyclictest9-21ksoftirqd/022:13:560
6742994619,4cyclictest9-21ksoftirqd/000:03:030
6742994618,6cyclictest9-21ksoftirqd/002:06:140
6742994618,6cyclictest9-21ksoftirqd/000:49:440
6742994618,4cyclictest9-21ksoftirqd/002:16:010
6742994617,5cyclictest9-21ksoftirqd/000:35:050
6742994534,3cyclictest9-21ksoftirqd/023:49:480
6742994534,3cyclictest9-21ksoftirqd/023:49:480
6742994534,3cyclictest9-21ksoftirqd/002:11:240
6742994533,3cyclictest9-21ksoftirqd/022:23:570
6742994520,8cyclictest9-21ksoftirqd/001:01:050
6742994520,4cyclictest9-21ksoftirqd/001:18:240
6742994518,5cyclictest9-21ksoftirqd/003:03:420
6742994518,5cyclictest9-21ksoftirqd/001:24:540
6742994518,10cyclictest9-21ksoftirqd/000:18:490
106891440,1ptp4l401ktimersoftd/321:53:073
674299435,7cyclictest1055-21runrttasks21:53:390
674299435,7cyclictest1055-21runrttasks21:53:390
674299435,6cyclictest9-21ksoftirqd/023:08:290
6742994315,10cyclictest9-21ksoftirqd/023:28:420
638324321,11sleep09-21ksoftirqd/021:40:090
106891430,1ptp4l401ktimersoftd/300:55:503
675599421,34cyclictest29846-21apt-get00:13:432
674299427,3cyclictest9-21ksoftirqd/022:53:290
674299425,8cyclictest9-21ksoftirqd/022:18:470
674299424,7cyclictest9-21ksoftirqd/021:53:260
6742994219,8cyclictest9-21ksoftirqd/023:18:490
674299421,7cyclictest9-21ksoftirqd/002:24:020
6742994217,4cyclictest9-21ksoftirqd/023:41:120
6742994217,4cyclictest9-21ksoftirqd/023:41:120
674299415,3cyclictest9-21ksoftirqd/022:08:370
674299413,4cyclictest9-21ksoftirqd/022:38:580
6742994132,3cyclictest9-21ksoftirqd/022:43:580
675599401,31cyclictest24265-21apt-get22:18:402
6742994030,3cyclictest9-21ksoftirqd/022:33:440
674299402,7cyclictest29715-21munin-run23:38:290
674299401,9cyclictest9-21ksoftirqd/022:28:570
58082404,22sleep25887-21which21:38:502
106891400,1ptp4l401ktimersoftd/302:46:413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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