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2026-07-10 - 18:30
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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 all highest latencies:
System rack6slot5.osadl.org (updated Fri Jul 10, 2026 12:45:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
77689985174240,4227cyclictest23067-21kworker/0:107:14:120
77689984024326,4066cyclictest23067-21kworker/0:107:15:560
77689979563962,3944cyclictest23067-21kworker/0:107:33:510
77689974313837,3583cyclictest23067-21kworker/0:107:26:060
77689972483606,3591cyclictest23067-21kworker/0:107:24:310
77689963093265,3030cyclictest23067-21kworker/0:107:37:480
71982747185,203sleep00-21swapper07:05:570
77689951457,348cyclictest0-21swapper07:40:440
77689951419,316cyclictest4224-21lldpd12:20:320
77689951118,311cyclictest5269-21python12:16:170
77689950620,425cyclictest28253-21df_inode10:40:400
77689948820,454cyclictest22542-21rm09:13:330
77689947919,399cyclictest23168-21kworker/u2:011:51:380
77689947818,390cyclictest21894-21iostat10:25:490
77689947817,447cyclictest20649-21diskmemload12:12:440
77689947117,392cyclictest14597-21kworker/u2:111:45:560
77689947035,374cyclictest14026-21ssh10:07:200
77689946834,434cyclictest0-21swapper10:54:450
77689946733,434cyclictest0-21swapper11:08:170
77689946732,435cyclictest0-21swapper10:56:190
77689946493,189cyclictest13-21rcuc/011:00:240
77689945485,356cyclictest351950irq/10-yenta10:24:190
77689945320,371cyclictest28598-21runrttasks11:55:550
77689945119,373cyclictest31064-21kworker/u2:112:07:340
77689944620,412cyclictest20649-21diskmemload12:39:130
77689944467,364cyclictest11-21ksoftirqd/010:40:030
77689944460,201cyclictest11-21ksoftirqd/009:40:160
77689944418,412cyclictest26078-21rm09:21:110
77689944418,411cyclictest32419-21rm09:35:530
77689944318,411cyclictest20649-21diskmemload11:14:060
77689944165,363cyclictest20649-21diskmemload09:47:330
77689943919,397cyclictest12232-21ssh11:17:080
77689943893,162cyclictest13-21rcuc/010:31:130
77689943718,240cyclictest18488-21perl11:31:340
77689943539,382cyclictest30814-21rm10:46:010
77689943341,330cyclictest344450irq/10-eth010:11:360
77689943319,400cyclictest4924-21runrttasks08:17:240
77689943297,162cyclictest13-21rcuc/010:15:180
77689943220,387cyclictest16346-21ssh11:26:380
77689943049,367cyclictest4924-21runrttasks08:21:030
77689943020,396cyclictest4305-21snmpd09:01:440
77689942917,398cyclictest76542sleep009:53:150
77689942917,397cyclictest27451-21swap08:00:220
77689942475,337cyclictest351950irq/10-yenta09:34:080
77689942150,312cyclictest14641-21fschecks_count08:51:140
77689942139,368cyclictest20649-21diskmemload11:45:000
77689941974,345cyclictest0-21swapper07:45:330
77689941818,340cyclictest24857-21ssh09:19:180
77689941343,357cyclictest0-21swapper07:56:330
77689941116,380cyclictest10023-21ssh09:59:140
77689941047,304cyclictest13379-21grep11:20:420
77689940757,291cyclictest20639-21cron09:10:010
77689939841,343cyclictest20649-21diskmemload12:34:220
77689939835,363cyclictest0-21swapper07:52:380
77689939749,175cyclictest351950irq/10-yenta08:30:590
77689939635,348cyclictest0-21swapper08:35:130
77689939337,343cyclictest13-21rcuc/008:05:470
77689939248,285cyclictest28308-21cat09:26:160
77689938833,340cyclictest12389-21chrt08:45:500
77689938732,294cyclictest4924-21runrttasks08:25:050
77689937769,308cyclictest0-21swapper12:26:490
77689937631,345cyclictest0-21swapper08:12:030
77689937231,341cyclictest0-21swapper08:43:240
77689936553,298cyclictest4924-21runrttasks11:35:460
77689936455,249cyclictest20649-21diskmemload12:00:140
77689936231,317cyclictest10680-21ssh10:00:340
77689935419,320cyclictest15210-21date08:55:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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