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2025-07-03 - 09:19
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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 Thu Jul 03, 2025 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319099998005114,4675cyclictest31027-21kworker/0:123:29:480
319099997495196,4541cyclictest22418-21kworker/0:119:24:180
319099993244676,4624cyclictest5076-21kworker/0:221:10:090
319099990404805,4184cyclictest22418-21kworker/0:120:01:440
319099990364547,4474cyclictest25733-21kworker/0:100:15:410
319099990064641,4353cyclictest22418-21kworker/0:119:48:010
319099989764624,4341cyclictest22418-21kworker/0:119:40:440
319099988814572,4305cyclictest22418-21kworker/0:120:29:340
319099988024536,4255cyclictest22418-21kworker/0:119:29:110
319099987694630,4136cyclictest22418-21kworker/0:119:13:010
319099987644514,4239cyclictest15234-21kworker/0:222:41:570
319099986624317,4293cyclictest22418-21kworker/0:120:18:350
319099985544297,4206cyclictest22418-21kworker/0:120:47:230
319099980344221,3798cyclictest15980-21kworker/0:223:50:590
319099979684321,3636cyclictest5076-21kworker/0:220:59:190
319099978714038,3809cyclictest20256-21kworker/0:122:00:100
319099977734173,3549cyclictest25733-21kworker/0:100:24:410
319099975874105,3459cyclictest15356-21kworker/0:221:25:480
319099975053957,3534cyclictest19989-21kworker/0:022:52:570
319099974563912,3484cyclictest31027-21kworker/0:123:16:370
319099971623917,3234cyclictest22418-21kworker/0:119:55:020
319099971563779,3362cyclictest20256-21kworker/0:121:39:060
319099968473533,3299cyclictest7626-21kworker/0:222:25:090
319099967963536,3208cyclictest7626-21kworker/0:222:17:390
319099967293644,3061cyclictest5076-21kworker/0:221:08:400
319099966733652,3010cyclictest22418-21kworker/0:120:39:200
319099966653596,3055cyclictest1082-21kworker/0:200:34:240
319099966413327,3271cyclictest22418-21kworker/0:119:39:070
319099965823294,3273cyclictest15356-21kworker/0:221:22:340
319099965543468,3070cyclictest11410-21kworker/0:023:38:500
319099965113589,2911cyclictest22418-21kworker/0:119:16:170
319099964563467,2978cyclictest1082-21kworker/0:200:36:000
319099964273549,2867cyclictest22418-21kworker/0:120:11:140
319099963993328,3056cyclictest11410-21kworker/0:023:41:170
319099963753471,2853cyclictest15980-21kworker/0:200:02:110
319099962023342,2856cyclictest22418-21kworker/0:120:20:120
319099961533094,3028cyclictest20256-21kworker/0:121:41:090
319099961343246,2837cyclictest20256-21kworker/0:121:53:060
319099961253257,2817cyclictest19989-21kworker/0:023:04:210
319099961133249,2813cyclictest25733-21kworker/0:100:13:160
319099961003167,2919cyclictest19989-21kworker/0:023:06:240
319099960843230,2811cyclictest22418-21kworker/0:119:53:370
319099953422809,2522cyclictest25733-21kworker/0:100:26:150
319099951042687,2405cyclictest22418-21kworker/0:119:34:480
319099945572288,2255cyclictest22418-21kworker/0:120:09:370
315462808183,203sleep00-21swapper19:07:310
319099952536,88cyclictest11-21ksoftirqd/022:59:420
319099951764,268cyclictest13-21rcuc/023:21:280
319099951654,447cyclictest11555-21diskmemload21:18:570
319099950855,439cyclictest17716-21ssh22:39:250
319099950654,438cyclictest16094-21ssh23:48:190
319099950653,439cyclictest28860-21ssh21:49:420
319099949055,374cyclictest6498-21python22:11:210
319099948459,354cyclictest11555-21diskmemload22:07:110
319099944835,397cyclictest4611-21snmpd21:31:250
319099944483,348cyclictest347850irq/10-yenta22:47:130
319099943345,89cyclictest11-21ksoftirqd/020:50:380
319099943254,355cyclictest13-21rcuc/023:14:090
31909994311,369cyclictest0-21swapper21:01:560
319099943055,191cyclictest18905-21munin-node23:55:430
319099942743,370cyclictest15980-21kworker/0:200:08:080
319099940754,340cyclictest9787-21ssh23:32:470
319099940654,339cyclictest16111-21ssh22:34:320
319099939053,88cyclictest2180-21latency_hist20:45:040
319099938931,358cyclictest0-21swapper20:33:470
319099928630,41cyclictest12-21rcu_preempt21:57:530
319099924718,206cyclictest11821-21ssh22:22:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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