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2026-04-20 - 09:07
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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 Mon Apr 20, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1482999106585435,5213cyclictest32064-21kworker/0:219:55:160
1482999103435423,4870cyclictest3589-21kworker/0:120:43:030
148299999125029,4832cyclictest2041-21kworker/0:019:48:390
148299998125195,4606cyclictest2041-21kworker/0:019:19:360
148299997985169,4618cyclictest2041-21kworker/0:019:40:210
148299996675023,4639cyclictest2041-21kworker/0:019:50:030
148299993764647,4714cyclictest24880-21kworker/0:000:27:010
148299992234592,4607cyclictest4430-21kworker/0:222:34:290
148299990384622,4404cyclictest3589-21kworker/0:120:51:170
148299989694482,4472cyclictest16139-21kworker/0:023:16:040
148299989434673,4259cyclictest2041-21kworker/0:019:31:420
148299986984514,4132cyclictest17392-21kworker/0:122:12:350
148299985824396,4175cyclictest2041-21kworker/0:019:27:370
148299985664367,4184cyclictest2041-21kworker/0:019:14:230
148299985594259,4249cyclictest2041-21kworker/0:019:38:590
148299982174046,4147cyclictest25296-21kworker/0:021:03:500
148299980833992,4077cyclictest3589-21kworker/0:120:49:420
148299980644322,3727cyclictest13524-21kworker/0:200:03:530
148299978364218,3607cyclictest3589-21kworker/0:120:31:280
148299977134116,3581cyclictest13524-21kworker/0:200:13:250
148299976364061,3560cyclictest17392-21kworker/0:122:22:410
148299975933960,3619cyclictest24880-21kworker/0:000:24:500
148299975484149,3348cyclictest2041-21kworker/0:019:21:390
148299974333800,3618cyclictest13524-21kworker/0:200:15:240
148299973213816,3462cyclictest8639-21kworker/0:121:41:240
148299973153826,3447cyclictest16139-21kworker/0:023:02:590
148299972193858,3310cyclictest3589-21kworker/0:120:29:530
148299971923897,3284cyclictest32064-21kworker/0:220:00:570
148299969003621,3236cyclictest31857-21kworker/0:123:47:030
148299968253479,3331cyclictest24880-21kworker/0:000:37:180
148299967553582,3169cyclictest4430-21kworker/0:222:43:440
148299967483640,3057cyclictest22681-21kworker/0:220:56:440
148299966713601,3054cyclictest5697-21kworker/0:021:29:340
148299966613703,2907cyclictest16139-21kworker/0:023:14:020
148299965053306,3168cyclictest4430-21kworker/0:222:54:280
148299964473579,2816cyclictest3589-21kworker/0:120:17:270
148299962973422,2833cyclictest3589-21kworker/0:120:36:410
148299962793315,2913cyclictest26597-21kworker/0:223:24:120
148299962333266,2916cyclictest17392-21kworker/0:121:51:540
148299962163357,2807cyclictest17392-21kworker/0:122:02:010
148299961963244,2901cyclictest31857-21kworker/0:123:35:130
148299961383417,2669cyclictest3589-21kworker/0:120:05:410
148299961193256,2848cyclictest26597-21kworker/0:223:26:080
148299960673300,2707cyclictest3589-21kworker/0:120:11:250
148299959733237,2685cyclictest25296-21kworker/0:021:20:440
148299951722575,2582cyclictest31857-21kworker/0:123:50:210
148299950302803,2213cyclictest3589-21kworker/0:120:23:270
148299941122338,1751cyclictest5697-21kworker/0:021:32:420
147092841184,177sleep00-21swapper19:09:390
148299955234,457cyclictest27982-21diskmemload22:58:310
148299950263,379cyclictest157092sleep021:49:250
148299948734,439cyclictest27982-21diskmemload22:19:120
148299948632,439cyclictest27982-21diskmemload00:32:440
148299947232,379cyclictest12343-21chrt23:55:550
148299946416,0cyclictest366-21python23:31:150
148299945269,370cyclictest4253-21lldpd22:49:100
148299941034,362cyclictest27982-21diskmemload21:58:540
148299940434,357cyclictest2075-21ssh22:27:090
148299940050,337cyclictest345450irq/10-yenta23:43:300
148299939835,350cyclictest14820-21cyclictest00:05:340
148299939633,302cyclictest4272-21snmpd21:37:280
148299939553,281cyclictest21812-21ssh23:09:090
148299939450,285cyclictest27982-21diskmemload22:36:510
148299939333,301cyclictest27982-21diskmemload22:06:130
148299926421,214cyclictest27982-21diskmemload21:12:020
148299925018,228cyclictest3584-19ntpd21:16:050
148299919620,42cyclictest28039-21latency_hist21:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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