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2025-10-24 - 01:12
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack3slot0.osadl.org (updated Thu Oct 23, 2025 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
287522910,2sleep52074399cyclictest12:15:135
113642850,0sleep60-21swapper/611:23:496
113642850,0sleep60-21swapper/611:23:496
199852830,1sleep09-21ksoftirqd/012:11:320
73392790,0sleep20-21swapper/212:01:412
129352760,2sleep12071099cyclictest11:56:191
15152740,2sleep32072799cyclictest11:14:093
48872530,1sleep14888-21grepconf.sh10:30:261
2023624926,8sleep60-21swapper/606:51:066
263462480,0sleep60-21swapper/608:00:396
263462480,0sleep60-21swapper/608:00:396
131082470,0sleep50-21swapper/510:53:445
66402460,0sleep30-21swapper/311:38:513
220782460,2sleep32072799cyclictest12:11:433
141442460,0sleep7711rcuc/710:06:137
205832450,0sleep20-21swapper/211:30:412
134572440,0sleep4471rcuc/411:12:014
8812430,0sleep70-21swapper/709:39:307
170372430,0sleep50-21swapper/508:58:195
117232430,0sleep20-21swapper/210:27:382
46782420,0sleep00-21swapper/012:10:120
31702420,0sleep13167-21sshd11:35:371
2051024230,9sleep10-21swapper/106:54:531
2030024230,9sleep30-21swapper/306:51:593
2027924128,9sleep00-21swapper/006:51:400
13462410,0sleep10-21swapper/109:43:001
320452400,0sleep30-21swapper/311:49:413
2044624028,9sleep40-21swapper/406:54:004
2027724027,9sleep70-21swapper/706:51:397
191252400,0sleep70-21swapper/711:33:517
175192400,0sleep60-21swapper/611:40:066
278822390,0sleep10-21swapper/111:16:311
2041223926,9sleep20-21swapper/206:53:342
2035123928,8sleep50-21swapper/506:52:415
102502390,0sleep10-21swapper/111:26:321
102502390,0sleep10-21swapper/111:26:321
115392380,0sleep50-21swapper/511:05:545
269552340,0sleep00-21swapper/010:25:520
20727992116,3cyclictest41-21ksoftirqd/311:21:313
20727992116,3cyclictest41-21ksoftirqd/311:21:313
298612200,0sleep10-21swapper/110:32:421
20750992012,5cyclictest65-21ksoftirqd/611:30:546
2074399208,0cyclictest0-21swapper/507:33:295
2074399202,6cyclictest0-21swapper/508:20:355
2074399202,6cyclictest0-21swapper/507:24:415
20727992014,4cyclictest41-21ksoftirqd/310:11:053
2074399198,5cyclictest0-21swapper/511:49:375
2074399198,5cyclictest0-21swapper/511:04:055
2074399198,5cyclictest0-21swapper/509:41:595
2074399198,5cyclictest0-21swapper/509:33:535
2074399198,0cyclictest0-21swapper/509:01:335
2074399198,0cyclictest0-21swapper/508:52:075
2074399198,0cyclictest0-21swapper/508:09:475
20743991910,5cyclictest16950-21id12:02:305
2074399190,7cyclictest0-21swapper/510:37:335
2072799191,1cyclictest131rcu_sched09:30:053
2071099190,18cyclictest25792-21bash11:25:081
2071099190,18cyclictest25792-21bash11:25:081
192322190,1sleep341-21ksoftirqd/311:43:003
108052190,4sleep10-21swapper/110:21:211
20758991815,3cyclictest73-21ksoftirqd/711:55:497
20758991812,3cyclictest73-21ksoftirqd/711:53:187
20758991812,3cyclictest73-21ksoftirqd/711:53:187
2075099180,16cyclictest9607-21grepconf.sh11:56:006
2074399187,5cyclictest0-21swapper/512:22:365
2074399187,5cyclictest0-21swapper/509:28:475
2074399187,5cyclictest0-21swapper/507:56:095
20743991814,0cyclictest0-21swapper/507:07:355
20743991813,0cyclictest0-21swapper/508:31:575
2074399180,6cyclictest0-21swapper/511:57:005
2074399180,6cyclictest0-21swapper/508:28:055
2074399180,6cyclictest0-21swapper/507:01:235
20727991817,1cyclictest41-21ksoftirqd/312:22:163
20727991815,2cyclictest41-21ksoftirqd/311:56:343
95002170,0sleep50-21swapper/511:26:285
95002170,0sleep50-21swapper/511:26:285
20758991712,3cyclictest73-21ksoftirqd/709:10:337
20758991711,4cyclictest73-21ksoftirqd/709:02:537
2074399176,5cyclictest0-21swapper/507:16:195
2074399176,5cyclictest0-21swapper/506:57:295
2074399176,0cyclictest0-21swapper/508:48:075
2074399176,0cyclictest0-21swapper/508:41:595
2074399176,0cyclictest0-21swapper/507:45:215
20743991713,0cyclictest0-21swapper/507:14:435
2074399170,5cyclictest0-21swapper/507:52:275
2072799178,4cyclictest41-21ksoftirqd/312:19:583
20727991714,3cyclictest41-21ksoftirqd/310:41:543
20727991713,3cyclictest41-21ksoftirqd/310:25:153
20727991712,3cyclictest41-21ksoftirqd/309:32:143
20727991712,3cyclictest41-21ksoftirqd/309:10:333
20727991711,3cyclictest41-21ksoftirqd/310:48:313
45882160,1sleep14576-21sshd10:17:441
2075899165,3cyclictest73-21ksoftirqd/711:13:017
20758991614,1cyclictest73-21ksoftirqd/710:45:427
2074399165,5cyclictest0-21swapper/509:47:055
2074399165,5cyclictest0-21swapper/509:47:055
2074399165,5cyclictest0-21swapper/509:39:275
2074399165,5cyclictest0-21swapper/509:14:115
2074399165,0cyclictest0-21swapper/508:02:495
2074399165,0cyclictest0-21swapper/508:02:495
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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