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2026-05-29 - 20:42
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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 Fri May 29, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2411999121426032,6060cyclictest15071-21kworker/0:207:18:030
241199997865171,4603cyclictest15071-21kworker/0:208:09:150
241199997605054,4695cyclictest15071-21kworker/0:207:32:390
241199996725110,4551cyclictest15071-21kworker/0:208:20:290
241199991784683,4483cyclictest15071-21kworker/0:207:37:190
241199989614433,4486cyclictest14165-21kworker/0:209:07:420
241199987924589,4198cyclictest14165-21kworker/0:208:45:380
241199987714454,4301cyclictest15071-21kworker/0:207:56:260
241199985934259,4292cyclictest15071-21kworker/0:208:01:490
241199984974291,4155cyclictest15071-21kworker/0:207:22:080
241199983664277,4085cyclictest15071-21kworker/0:207:47:210
241199983464148,4155cyclictest15071-21kworker/0:208:13:290
241199980714197,3859cyclictest15071-21kworker/0:207:14:180
241199978904204,3671cyclictest15071-21kworker/0:208:19:060
241199978234252,3520cyclictest14165-21kworker/0:208:37:250
241199976083849,3708cyclictest14165-21kworker/0:208:44:020
241199971643818,3295cyclictest14165-21kworker/0:208:51:330
241199970473456,3549cyclictest15071-21kworker/0:207:41:060
241199968323657,3124cyclictest15071-21kworker/0:207:26:250
241199967693677,3087cyclictest14165-21kworker/0:209:00:560
241199966313547,3003cyclictest14165-21kworker/0:208:30:560
241199961733328,2794cyclictest14165-21kworker/0:208:59:210
241199961053323,2729cyclictest28810-21kworker/0:109:22:360
241199950222602,2415cyclictest15071-21kworker/0:207:52:450
241199948332610,2219cyclictest12129-21kworker/0:108:26:230
240222811184,203sleep00-21swapper07:09:500
241199954653,432cyclictest26437-21irqstats11:30:160
241199948035,88cyclictest4272-21snmpd09:48:500
241199947932,377cyclictest4272-21snmpd12:30:330
241199947835,382cyclictest12-21rcu_preempt10:30:490
241199947832,431cyclictest10634-21ssh10:51:520
241199947231,380cyclictest407-21sendmail_mailtr10:35:120
241199946634,362cyclictest26924-21diskmemload11:43:120
241199946535,360cyclictest10539-21sh12:06:490
241199946433,361cyclictest19341-21ssh11:12:270
241199946431,364cyclictest16652-21ssh09:57:500
241199944456,326cyclictest24111-21cyclictest11:20:130
241199943552,313cyclictest4894-21runrttasks09:15:220
241199943254,363cyclictest26924-21diskmemload11:26:250
241199942554,311cyclictest26924-21diskmemload09:51:070
241199942154,185cyclictest26924-21diskmemload09:41:510
241199941754,348cyclictest26924-21diskmemload09:15:030
241199941537,196cyclictest7936-21ssh09:38:170
241199941351,346cyclictest26924-21diskmemload11:20:020
241199941151,346cyclictest26924-21diskmemload12:11:130
241199941031,366cyclictest5660-21ssh09:32:510
241199940747,346cyclictest26924-21diskmemload12:20:340
241199940740,353cyclictest6224-1kworker/0:0H10:55:180
241199940653,339cyclictest26924-21diskmemload11:08:500
241199940638,354cyclictest345450irq/10-yenta10:10:270
241199940554,291cyclictest28377-21ssh10:25:030
241199940554,282cyclictest26924-21diskmemload11:46:250
241199940532,358cyclictest29414-21ssh10:26:070
241199940447,343cyclictest26924-21diskmemload12:15:310
241199940434,356cyclictest29966-21ssh11:36:480
241199940432,358cyclictest12-21rcu_preempt12:29:000
241199940254,288cyclictest25103-21ssh10:16:100
241199940223,364cyclictest6272-21ssh11:57:010
241199940154,287cyclictest9103-21cat10:50:030
241199940053,175cyclictest26924-21diskmemload12:36:060
241199939917,359cyclictest17941-21memory10:00:460
241199939734,88cyclictest3559-21sshd10:40:320
241199939629,353cyclictest14943-21ssh11:01:540
241199939533,300cyclictest7195-21ssh12:00:260
241199939531,350cyclictest3358-21ssh11:50:540
241199939251,271cyclictest21587-21ssh10:10:050
241199938934,341cyclictest26924-21diskmemload09:26:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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