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2026-09-02 - 10:11
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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 100 highest latencies:
System rack6slot2.osadl.org (updated Wed Sep 02, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
49152438,7sleep00-21swapper/019:03:190
5216993832,5cyclictest168750irq/16-i91519:55:091
49692389,8sleep10-21swapper/119:03:521
5216993732,4cyclictest168750irq/16-i91500:00:521
5216993632,3cyclictest246650irq/16-enp2s0f021:49:201
5216993632,3cyclictest168750irq/16-i91523:55:511
5216993632,3cyclictest168750irq/16-i91522:48:541
5216993631,4cyclictest246650irq/16-enp2s0f023:36:411
5216993631,4cyclictest168750irq/16-i91523:22:411
5216993631,4cyclictest168750irq/16-i91520:55:211
5216993532,2cyclictest246650irq/16-enp2s0f023:29:171
5216993532,2cyclictest168750irq/16-i91523:32:401
5216993532,2cyclictest168750irq/16-i91520:58:581
5216993532,2cyclictest168750irq/16-i91520:38:361
5216993532,2cyclictest168750irq/16-i91519:42:301
5216993532,2cyclictest168750irq/16-i91519:13:571
5216993531,3cyclictest246650irq/16-enp2s0f000:13:341
5216993531,3cyclictest168750irq/16-i91522:06:591
5216993531,3cyclictest168750irq/16-i91521:40:511
5216993531,3cyclictest168750irq/16-i91520:07:001
5216993531,3cyclictest168750irq/16-i91519:06:051
5216993530,4cyclictest168750irq/16-i91522:25:361
5216993530,4cyclictest168750irq/16-i91520:50:201
5216993530,4cyclictest168750irq/16-i91520:22:081
5212993534,0cyclictest246650irq/16-enp2s0f022:22:400
5212993534,0cyclictest246650irq/16-enp2s0f021:41:580
5216993432,2cyclictest168750irq/16-i91523:46:211
5216993432,2cyclictest168750irq/16-i91521:31:581
5216993432,2cyclictest168750irq/16-i91519:50:411
5216993432,1cyclictest246650irq/16-enp2s0f019:23:091
5216993432,1cyclictest168750irq/16-i91523:00:431
5216993431,2cyclictest168750irq/16-i91523:54:001
5216993431,2cyclictest168750irq/16-i91523:14:271
5216993431,2cyclictest168750irq/16-i91522:42:371
5216993431,2cyclictest168750irq/16-i91522:38:411
5216993431,2cyclictest168750irq/16-i91522:31:491
5216993431,2cyclictest168750irq/16-i91522:30:361
5216993431,2cyclictest168750irq/16-i91522:14:091
5216993431,2cyclictest168750irq/16-i91522:01:451
5216993431,2cyclictest168750irq/16-i91521:57:371
5216993431,2cyclictest168750irq/16-i91521:06:011
5216993431,2cyclictest168750irq/16-i91520:44:031
5216993431,2cyclictest168750irq/16-i91520:31:061
5216993431,2cyclictest168750irq/16-i91520:16:431
5216993431,2cyclictest168750irq/16-i91519:55:531
5216993431,2cyclictest168750irq/16-i91519:38:401
5216993431,2cyclictest168750irq/16-i91519:28:561
5216993431,2cyclictest168750irq/16-i91500:21:001
5216993431,2cyclictest168750irq/16-i91500:18:231
5216993430,3cyclictest168750irq/16-i91520:26:211
5216993429,4cyclictest168750irq/16-i91523:02:391
5216993429,4cyclictest168750irq/16-i91522:20:361
5216993429,4cyclictest168750irq/16-i91519:20:021
5212993433,0cyclictest246650irq/16-enp2s0f022:10:460
5212993432,1cyclictest81ktimersoftd/019:37:140
5212993432,1cyclictest246650irq/16-enp2s0f023:42:390
5212993432,1cyclictest246650irq/16-enp2s0f023:00:480
5212993432,1cyclictest246650irq/16-enp2s0f022:45:400
5212993432,1cyclictest246650irq/16-enp2s0f022:13:080
5212993432,1cyclictest246650irq/16-enp2s0f021:37:280
5212993432,1cyclictest246650irq/16-enp2s0f021:28:410
5212993432,1cyclictest246650irq/16-enp2s0f021:16:480
5216993332,0cyclictest246650irq/16-enp2s0f020:01:211
5216993331,2cyclictest168750irq/16-i91523:15:501
5216993331,2cyclictest168750irq/16-i91521:16:101
5216993331,2cyclictest168750irq/16-i91520:11:371
5216993331,1cyclictest168750irq/16-i91500:05:531
5216993330,3cyclictest168750irq/16-i91521:51:111
5216993330,2cyclictest246650irq/16-enp2s0f021:14:091
5216993330,2cyclictest246650irq/16-enp2s0f019:31:131
5216993330,2cyclictest168750irq/16-i91523:44:251
5216993330,2cyclictest168750irq/16-i91521:21:501
5216993330,2cyclictest168750irq/16-i91521:03:341
5216993330,2cyclictest168750irq/16-i91500:34:241
5216993329,3cyclictest168750irq/16-i91523:06:041
5216993329,3cyclictest168750irq/16-i91521:36:491
5212993332,0cyclictest246650irq/16-enp2s0f023:56:220
5212993332,0cyclictest246650irq/16-enp2s0f023:51:100
5212993332,0cyclictest246650irq/16-enp2s0f023:40:100
5212993332,0cyclictest246650irq/16-enp2s0f023:30:590
5212993332,0cyclictest246650irq/16-enp2s0f023:16:120
5212993332,0cyclictest246650irq/16-enp2s0f023:12:140
5212993332,0cyclictest246650irq/16-enp2s0f022:54:590
5212993332,0cyclictest246650irq/16-enp2s0f022:49:120
5212993332,0cyclictest246650irq/16-enp2s0f022:28:130
5212993332,0cyclictest246650irq/16-enp2s0f022:20:000
5212993332,0cyclictest246650irq/16-enp2s0f021:21:310
5212993332,0cyclictest246650irq/16-enp2s0f021:12:580
5212993332,0cyclictest246650irq/16-enp2s0f021:06:100
5212993332,0cyclictest246650irq/16-enp2s0f020:47:570
5212993332,0cyclictest246650irq/16-enp2s0f020:32:460
5212993332,0cyclictest246650irq/16-enp2s0f020:25:590
5212993332,0cyclictest246650irq/16-enp2s0f020:20:560
5212993332,0cyclictest246650irq/16-enp2s0f020:17:070
5212993332,0cyclictest246650irq/16-enp2s0f020:07:050
5212993332,0cyclictest246650irq/16-enp2s0f019:56:150
5212993332,0cyclictest246650irq/16-enp2s0f019:41:250
5212993332,0cyclictest246650irq/16-enp2s0f019:26:320
5212993332,0cyclictest246650irq/16-enp2s0f019:21:030
5212993332,0cyclictest246650irq/16-enp2s0f000:30:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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