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2026-09-08 - 08:40
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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 Tue Sep 08, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
264362580,1sleep121-21rcuc/121:50:411
40772489,8sleep00-21swapper/019:01:010
44492428,8sleep10-21swapper/119:04:531
4583994132,8cyclictest246650irq/16-enp2s0f021:12:110
4585993933,5cyclictest168750irq/16-i91500:18:391
4585993732,4cyclictest168750irq/16-i91522:26:231
4585993732,4cyclictest168750irq/16-i91520:33:081
4585993731,5cyclictest168750irq/16-i91520:10:411
4585993633,2cyclictest168750irq/16-i91522:44:371
4585993632,3cyclictest168750irq/16-i91522:46:001
4585993632,3cyclictest168750irq/16-i91521:34:381
4585993632,3cyclictest168750irq/16-i91521:02:421
4585993632,3cyclictest168750irq/16-i91520:25:011
4585993631,4cyclictest246650irq/16-enp2s0f022:52:351
4585993631,4cyclictest168750irq/16-i91523:26:351
4585993631,4cyclictest168750irq/16-i91521:58:171
4585993631,4cyclictest168750irq/16-i91520:41:031
4585993631,4cyclictest168750irq/16-i91519:30:521
4585993532,2cyclictest168750irq/16-i91523:02:121
4585993532,2cyclictest168750irq/16-i91521:38:271
4585993532,2cyclictest168750irq/16-i91520:12:061
4585993531,3cyclictest246650irq/16-enp2s0f023:12:411
4585993531,3cyclictest168750irq/16-i91523:55:321
4585993531,3cyclictest168750irq/16-i91523:24:221
4585993531,3cyclictest168750irq/16-i91523:05:491
4585993531,3cyclictest168750irq/16-i91522:12:301
4585993531,3cyclictest168750irq/16-i91522:01:251
4585993531,3cyclictest168750irq/16-i91521:51:521
4585993531,3cyclictest168750irq/16-i91521:25:571
4585993531,3cyclictest168750irq/16-i91521:21:071
4585993531,3cyclictest168750irq/16-i91520:52:091
4585993531,3cyclictest168750irq/16-i91520:47:551
4585993531,3cyclictest168750irq/16-i91520:18:371
4585993531,3cyclictest168750irq/16-i91520:01:061
4585993531,3cyclictest168750irq/16-i91519:53:171
4585993531,3cyclictest168750irq/16-i91519:29:571
4585993531,3cyclictest168750irq/16-i91500:31:031
4585993531,3cyclictest168750irq/16-i91500:25:401
4585993530,4cyclictest168750irq/16-i91520:56:061
4585993433,0cyclictest168750irq/16-i91500:11:361
4585993432,2cyclictest168750irq/16-i91519:55:561
4585993432,1cyclictest168750irq/16-i91522:21:231
4585993431,2cyclictest246650irq/16-enp2s0f019:22:111
4585993431,2cyclictest168750irq/16-i91522:34:291
4585993431,2cyclictest168750irq/16-i91519:12:031
4585993430,3cyclictest246650irq/16-enp2s0f023:47:001
4585993430,3cyclictest168750irq/16-i91522:57:291
4585993430,3cyclictest168750irq/16-i91522:06:531
4585993430,3cyclictest168750irq/16-i91521:41:431
4585993430,3cyclictest168750irq/16-i91521:08:101
4585993430,3cyclictest168750irq/16-i91519:45:461
4585993430,3cyclictest168750irq/16-i91519:18:411
4585993429,4cyclictest168750irq/16-i91519:35:521
4585993429,4cyclictest168750irq/16-i91500:01:411
4585993428,5cyclictest168750irq/16-i91519:08:021
4583993433,0cyclictest246650irq/16-enp2s0f023:37:570
4583993433,0cyclictest246650irq/16-enp2s0f023:24:300
4583993433,0cyclictest246650irq/16-enp2s0f019:05:470
4583993432,1cyclictest246650irq/16-enp2s0f021:40:040
4583993432,1cyclictest246650irq/16-enp2s0f020:38:020
4585993332,0cyclictest168750irq/16-i91522:39:311
4585993332,0cyclictest168750irq/16-i91521:15:581
4585993332,0cyclictest168750irq/16-i91520:26:451
4585993332,0cyclictest168750irq/16-i91500:27:211
4585993332,0cyclictest168750irq/16-i91500:06:481
4585993331,2cyclictest168750irq/16-i91523:40:521
4585993330,2cyclictest246650irq/16-enp2s0f019:40:451
4585993330,2cyclictest168750irq/16-i91523:58:141
4585993330,2cyclictest168750irq/16-i91523:37:161
4585993329,3cyclictest168750irq/16-i91523:31:361
4585993329,3cyclictest168750irq/16-i91523:16:041
4585993329,3cyclictest168750irq/16-i91521:10:421
4583993333,0cyclictest246650irq/16-enp2s0f020:20:410
4583993332,0cyclictest246650irq/16-enp2s0f023:56:100
4583993332,0cyclictest246650irq/16-enp2s0f023:42:260
4583993332,0cyclictest246650irq/16-enp2s0f023:32:350
4583993332,0cyclictest246650irq/16-enp2s0f023:11:460
4583993332,0cyclictest246650irq/16-enp2s0f022:40:480
4583993332,0cyclictest246650irq/16-enp2s0f022:36:050
4583993332,0cyclictest246650irq/16-enp2s0f022:31:580
4583993332,0cyclictest246650irq/16-enp2s0f022:26:120
4583993332,0cyclictest246650irq/16-enp2s0f022:21:410
4583993332,0cyclictest246650irq/16-enp2s0f022:16:060
4583993332,0cyclictest246650irq/16-enp2s0f022:10:480
4583993332,0cyclictest246650irq/16-enp2s0f021:22:300
4583993332,0cyclictest246650irq/16-enp2s0f021:06:230
4583993332,0cyclictest246650irq/16-enp2s0f020:54:110
4583993332,0cyclictest246650irq/16-enp2s0f020:45:430
4583993332,0cyclictest246650irq/16-enp2s0f020:43:260
4583993332,0cyclictest246650irq/16-enp2s0f020:31:390
4583993332,0cyclictest246650irq/16-enp2s0f020:26:000
4583993332,0cyclictest246650irq/16-enp2s0f020:20:590
4583993332,0cyclictest246650irq/16-enp2s0f020:10:570
4583993332,0cyclictest246650irq/16-enp2s0f019:50:550
4583993332,0cyclictest246650irq/16-enp2s0f019:45:540
4583993332,0cyclictest246650irq/16-enp2s0f019:40:510
4583993332,0cyclictest246650irq/16-enp2s0f019:31:100
4583993332,0cyclictest246650irq/16-enp2s0f019:20:500
4583993332,0cyclictest246650irq/16-enp2s0f019:11:200
4583993332,0cyclictest246650irq/16-enp2s0f000:11:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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