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2026-03-15 - 06:54
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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 highest latencies:
System rack6slot5.osadl.org (updated Sun Mar 15, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
998499114606044,5405cyclictest20283-21kworker/0:019:46:180
998499105985427,5167cyclictest27891-21kworker/0:219:16:130
998499105615261,5248cyclictest27891-21kworker/0:219:32:170
99849993884824,4559cyclictest20283-21kworker/0:020:12:590
99849991794716,4452cyclictest20283-21kworker/0:019:54:190
99849990434499,4493cyclictest7192-21kworker/0:220:43:370
99849988964462,4418cyclictest31520-21kworker/0:221:44:290
99849988674567,4296cyclictest20283-21kworker/0:019:39:350
99849983874605,3767cyclictest10333-21kworker/0:023:26:440
99849981754494,3666cyclictest26439-21kworker/0:222:35:330
99849981474051,4044cyclictest7192-21kworker/0:220:29:330
99849979224367,3530cyclictest27883-21kworker/0:121:25:240
99849979144364,3535cyclictest7192-21kworker/0:220:58:000
99849978974149,3733cyclictest14725-21kworker/0:022:05:190
99849975043784,3706cyclictest10333-21kworker/0:023:24:450
99849973383853,3433cyclictest27891-21kworker/0:219:26:590
99849972363917,3304cyclictest26382-21kworker/0:200:17:330
99849971113754,3334cyclictest26382-21kworker/0:223:52:130
99849970753542,3518cyclictest20283-21kworker/0:019:44:430
99849970673827,3225cyclictest26382-21kworker/0:223:49:100
99849968903526,3313cyclictest27883-21kworker/0:121:23:260
99849968483652,3192cyclictest20864-21kworker/0:121:10:070
99849965823479,3052cyclictest14725-21kworker/0:022:02:310
99849965133444,3055cyclictest27891-21kworker/0:219:22:210
99849964283443,2974cyclictest20283-21kworker/0:020:21:380
99849963943578,2764cyclictest20283-21kworker/0:020:01:390
99849963673288,3056cyclictest2316-21kworker/0:022:56:490
99849963373344,2978cyclictest26382-21kworker/0:200:14:190
99849962953213,2999cyclictest20283-21kworker/0:020:20:030
99849962733314,2908cyclictest20864-21kworker/0:121:08:320
99849962043283,2870cyclictest7192-21kworker/0:220:54:000
99849961643291,2858cyclictest7192-21kworker/0:220:33:490
99849958853042,2829cyclictest26439-21kworker/0:222:33:390
99849958473200,2587cyclictest2316-21kworker/0:022:54:450
99849957113060,2647cyclictest7192-21kworker/0:220:45:120
99849956593128,2516cyclictest27891-21kworker/0:219:14:180
96602813186,204sleep00-21swapper19:07:580
99849952114,436cyclictest18569-21sed22:10:420
99849950717,417cyclictest3417-21awk00:05:460
99849950380,249cyclictest11-21ksoftirqd/000:20:320
99849949814,423cyclictest21981-21sshd23:33:500
99849948136,445cyclictest0-21swapper19:56:560
99849947719,396cyclictest1377-21kworker/u2:022:22:360
99849947114,441cyclictest10037-21python21:51:220
99849946960,350cyclictest345450irq/10-yenta23:13:260
99849946789,364cyclictest13-21rcuc/023:44:580
99849946715,391cyclictest15238-21ssh23:17:500
99849946286,362cyclictest26102-21kworker/u2:122:46:380
99849946215,432cyclictest17759-21rm00:39:350
99849945941,348cyclictest8065-21cstates21:46:210
99849945438,250cyclictest10061-21ntpq20:35:170
99849945367,203cyclictest11-21ksoftirqd/021:16:150
99849945094,356cyclictest0-21swapper23:58:250
99849945013,423cyclictest1600-21ssh21:33:460
99849944976,361cyclictest11-21ksoftirqd/022:18:190
99849944973,193cyclictest13-21rcuc/023:36:130
99849944382,186cyclictest345450irq/10-yenta22:41:130
99849944218,409cyclictest12145-21runrttasks21:56:210
99849944217,402cyclictest11547-21rm23:10:060
99849944137,333cyclictest32165-21hddtemp_smartct20:06:080
99849944017,409cyclictest8152-21cut23:00:570
99849943814,408cyclictest24663-21sed22:25:260
99849943662,360cyclictest13-21rcuc/000:01:140
99849943117,399cyclictest3687-21ssh21:38:280
99849943016,399cyclictest12866-21perl00:26:320
99849942717,395cyclictest15480-21ssh00:33:330
99849937632,104cyclictest19905-21awk21:00:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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