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2026-03-13 - 20:38
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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 376 highest latencies:
System rack6slot5.osadl.org (updated Fri Mar 13, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
149369999005236,4653cyclictest6519-21kworker/0:208:24:520
149369996235102,4517cyclictest6519-21kworker/0:208:17:540
149369995245047,4466cyclictest26271-21kworker/0:107:56:180
149369992034589,4599cyclictest8505-21kworker/0:110:50:040
149369992004802,4387cyclictest26271-21kworker/0:107:44:290
149369988934548,4334cyclictest26271-21kworker/0:107:50:070
149369985904254,4285cyclictest6519-21kworker/0:208:47:520
149369980623973,4016cyclictest26271-21kworker/0:107:36:300
149369976353765,3819cyclictest6519-21kworker/0:208:38:490
149369975763873,3688cyclictest11086-21kworker/0:112:11:330
149369975214031,3439cyclictest4902-21kworker/0:107:17:350
149369973953990,3362cyclictest16396-21kworker/0:011:24:050
149369973833775,3593cyclictest27486-21kworker/0:211:27:050
149369973703836,3503cyclictest1635-21kworker/0:110:33:140
149369973173818,3484cyclictest27486-21kworker/0:211:47:260
149369972743880,3351cyclictest26271-21kworker/0:107:48:440
149369972733867,3362cyclictest11086-21kworker/0:112:27:400
149369972343882,3292cyclictest4902-21kworker/0:107:21:440
149369972123798,3384cyclictest19241-21kworker/0:110:17:220
149369971613879,3271cyclictest22745-21kworker/0:108:58:050
149369970723734,3323cyclictest6519-21kworker/0:208:41:190
149369970353500,3520cyclictest23877-21kworker/0:207:31:140
149369970333505,3513cyclictest4902-21kworker/0:107:14:170
149369969713657,3262cyclictest7742-21kworker/0:009:34:560
149369967093498,3160cyclictest19241-21kworker/0:110:14:080
149369967053656,3044cyclictest4902-21kworker/0:107:27:400
149369966733635,3027cyclictest16396-21kworker/0:011:06:090
149369966643627,3026cyclictest26271-21kworker/0:108:03:230
149369965563260,3273cyclictest7742-21kworker/0:009:38:080
149369964943419,3060cyclictest16396-21kworker/0:011:04:340
149369964363458,2918cyclictest22745-21kworker/0:109:04:050
149369964043469,2921cyclictest19241-21kworker/0:110:02:190
149369963683483,2873cyclictest6519-21kworker/0:208:32:500
149369963013339,2947cyclictest29446-21kworker/0:209:13:020
149369961373052,3070cyclictest11086-21kworker/0:112:30:250
149369960643226,2823cyclictest29446-21kworker/0:209:15:050
149369960613270,2740cyclictest11086-21kworker/0:112:09:350
149369960313220,2800cyclictest26271-21kworker/0:108:10:150
149369960193273,2686cyclictest26271-21kworker/0:108:08:400
149369960123276,2721cyclictest8505-21kworker/0:110:48:010
149369958863119,2753cyclictest7742-21kworker/0:009:48:330
149369958633201,2647cyclictest29446-21kworker/0:209:23:320
149369958113196,2610cyclictest22745-21kworker/0:109:05:400
149369945932399,2183cyclictest29446-21kworker/0:209:25:070
149369939222153,1755cyclictest7742-21kworker/0:009:50:290
142822806183,203sleep00-21swapper07:05:210
149369948533,438cyclictest24399-21ssh10:08:050
149369948531,439cyclictest8081-21ssh11:50:320
149369948236,432cyclictest0-21swapper10:44:500
149369946633,433cyclictest0-21swapper08:27:250
149369944735,343cyclictest28253-21diskmemload11:16:290
149369943454,365cyclictest4894-21runrttasks12:21:010
149369943052,364cyclictest4464-21ssh11:43:560
149369941655,300cyclictest28253-21diskmemload10:25:410
149369941454,344cyclictest28253-21diskmemload09:40:320
149369941255,343cyclictest28253-21diskmemload11:35:330
149369940854,340cyclictest28253-21diskmemload12:15:560
149369940851,342cyclictest21150-21ssh11:10:120
149369940754,283cyclictest28253-21diskmemload12:00:120
149369940733,374cyclictest0-21swapper10:37:310
149369940652,294cyclictest28253-21diskmemload11:56:200
149369940625,367cyclictest4272-21snmpd08:54:390
149369940133,186cyclictest19623-21ssh09:58:180
149369940053,287cyclictest28253-21diskmemload12:37:050
149369939953,285cyclictest28253-21diskmemload10:24:190
149369939652,284cyclictest28253-21diskmemload11:32:010
149369939531,349cyclictest28253-21diskmemload10:56:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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