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2026-03-16 - 20:57
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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 Mon Mar 16, 2026 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138659997875226,4556cyclictest19326-21kworker/0:108:52:410
138659996945075,4608cyclictest19326-21kworker/0:108:59:400
138659996045128,4464cyclictest24278-21kworker/0:108:17:130
138659992334753,4469cyclictest24278-21kworker/0:107:50:180
138659991974725,4460cyclictest19326-21kworker/0:109:25:150
138659991954635,4544cyclictest15141-21kworker/0:209:54:050
138659991884731,4446cyclictest6366-21kworker/0:009:34:130
138659991564721,4424cyclictest19326-21kworker/0:109:06:280
138659989224603,4308cyclictest11913-21kworker/0:008:31:040
138659986824587,4084cyclictest24278-21kworker/0:107:44:400
138659984254251,4163cyclictest9661-21kworker/0:209:43:540
138659983054453,3801cyclictest19326-21kworker/0:109:12:310
138659982954444,3791cyclictest29351-21kworker/0:011:47:070
138659982524299,3929cyclictest19383-21kworker/0:012:35:260
138659981504062,4073cyclictest11913-21kworker/0:008:29:270
138659981224386,3712cyclictest16487-21kworker/0:111:04:270
138659981094062,4032cyclictest24278-21kworker/0:107:48:420
138659980794288,3749cyclictest29351-21kworker/0:011:31:500
138659980514337,3699cyclictest11913-21kworker/0:008:36:430
138659980104300,3650cyclictest22421-21kworker/0:007:18:030
138659979444163,3722cyclictest19326-21kworker/0:109:23:400
138659976854055,3606cyclictest20572-21kworker/0:210:17:140
138659974373740,3682cyclictest19272-21kworker/0:011:17:580
138659974283888,3501cyclictest29351-21kworker/0:011:50:160
138659974063697,3667cyclictest24278-21kworker/0:108:08:350
138659973893918,3457cyclictest22421-21kworker/0:007:14:200
138659973624000,3347cyclictest16774-21kworker/0:208:43:340
138659972953641,3602cyclictest22421-21kworker/0:007:31:360
138659972583830,3376cyclictest19383-21kworker/0:012:32:430
138659968563674,3178cyclictest24278-21kworker/0:107:38:120
138659967573720,3025cyclictest16774-21kworker/0:208:45:090
138659967543672,3068cyclictest22421-21kworker/0:007:26:490
138659967113641,2997cyclictest11050-21kworker/0:012:03:060
138659966813364,3302cyclictest31690-21kworker/0:210:28:590
138659966683676,2980cyclictest22421-21kworker/0:007:23:520
138659965823544,3023cyclictest7537-21kworker/0:210:49:260
138659965023649,2802cyclictest24278-21kworker/0:108:22:350
138659964663246,3205cyclictest19326-21kworker/0:109:15:400
138659964293240,3165cyclictest11050-21kworker/0:012:06:000
138659964013442,2948cyclictest24278-21kworker/0:107:56:450
138659962503468,2771cyclictest24278-21kworker/0:108:10:110
138659961813387,2743cyclictest2278-21kworker/0:010:37:530
138659961323359,2722cyclictest19383-21kworker/0:012:18:390
138659961073298,2798cyclictest19383-21kworker/0:012:20:140
138659959553198,2714cyclictest20572-21kworker/0:210:03:370
138659949752630,2334cyclictest24278-21kworker/0:108:03:370
138659945984482,103cyclictest20572-21kworker/0:210:05:330
138659945052677,1813cyclictest9933-21kworker/0:010:51:370
138659937543661,80cyclictest19326-21kworker/0:109:04:510
138659935183472,33cyclictest19272-21kworker/0:011:14:370
138659926342578,42cyclictest2278-21kworker/0:010:40:030
134652747183,203sleep00-21swapper07:07:480
13865996214,555cyclictest24402-21ssh12:28:370
138659949152,253cyclictest13462-21unixbench_singl10:55:450
138659946938,360cyclictest1122-21ssh11:39:230
138659945369,369cyclictest17069-21df09:55:250
13865994474,429cyclictest17986-21df_inode11:05:240
138659944673,303cyclictest27210-21diskmemload11:56:340
13865994340,373cyclictest13979-21ssh09:49:060
138659942952,191cyclictest2386-21wc11:41:160
138659942235,363cyclictest8165-21strings09:35:440
138659939332,361cyclictest0-21swapper12:14:000
138659938931,358cyclictest26738-21ssh11:24:450
138659938726,87cyclictest30216-21ssh10:22:510
138659938621,88cyclictest4894-21runrttasks10:13:360
138659938532,353cyclictest0-21swapper11:29:320
138659937638,338cyclictest0-21swapper10:32:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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