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2026-04-16 - 10:04
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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 Thu Apr 16, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
104702560,0sleep10-21swapper/120:13:311
242222540,0sleep10-21swapper/121:58:281
11202389,8sleep10-21swapper/119:03:311
1821993533,1cyclictest168750irq/16-i91520:45:571
1819993434,0cyclictest246650irq/16-enp2s0f021:40:490
1819993434,0cyclictest246650irq/16-enp2s0f019:20:000
1819993433,0cyclictest246650irq/16-enp2s0f023:31:120
1819993433,0cyclictest246650irq/16-enp2s0f022:47:310
1819993432,1cyclictest246650irq/16-enp2s0f023:40:130
1819993432,1cyclictest246650irq/16-enp2s0f023:08:140
1819993432,1cyclictest246650irq/16-enp2s0f022:00:250
1819993432,1cyclictest246650irq/16-enp2s0f019:52:580
1819993432,1cyclictest246650irq/16-enp2s0f019:45:040
1819993432,1cyclictest246650irq/16-enp2s0f000:28:090
1819993431,0cyclictest168750irq/16-i91523:54:380
1819993431,0cyclictest168750irq/16-i91500:11:560
167023418,8sleep00-21swapper/019:07:390
1821993332,0cyclictest246650irq/16-enp2s0f023:34:011
1821993332,0cyclictest246650irq/16-enp2s0f022:47:501
1821993332,0cyclictest246650irq/16-enp2s0f022:36:351
1821993332,0cyclictest246650irq/16-enp2s0f019:09:221
1821993332,0cyclictest168750irq/16-i91523:51:351
1821993332,0cyclictest168750irq/16-i91523:45:051
1821993332,0cyclictest168750irq/16-i91523:33:211
1821993332,0cyclictest168750irq/16-i91523:24:551
1821993332,0cyclictest168750irq/16-i91523:13:561
1821993332,0cyclictest168750irq/16-i91523:12:391
1821993332,0cyclictest168750irq/16-i91523:03:491
1821993332,0cyclictest168750irq/16-i91522:29:441
1821993332,0cyclictest168750irq/16-i91522:04:071
1821993332,0cyclictest168750irq/16-i91521:49:261
1821993332,0cyclictest168750irq/16-i91521:49:261
1821993332,0cyclictest168750irq/16-i91521:39:411
1821993332,0cyclictest168750irq/16-i91521:31:431
1821993332,0cyclictest168750irq/16-i91521:26:001
1821993332,0cyclictest168750irq/16-i91521:18:371
1821993332,0cyclictest168750irq/16-i91521:17:201
1821993332,0cyclictest168750irq/16-i91521:09:451
1821993332,0cyclictest168750irq/16-i91521:06:241
1821993332,0cyclictest168750irq/16-i91520:58:501
1821993332,0cyclictest168750irq/16-i91520:08:261
1821993332,0cyclictest168750irq/16-i91519:54:111
1821993332,0cyclictest168750irq/16-i91519:49:341
1821993332,0cyclictest168750irq/16-i91519:32:011
1821993332,0cyclictest168750irq/16-i91519:27:251
1821993332,0cyclictest168750irq/16-i91500:23:561
1821993332,0cyclictest168750irq/16-i91500:20:581
1821993332,0cyclictest168750irq/16-i91500:14:371
1821993332,0cyclictest168750irq/16-i91500:09:391
1821993331,1cyclictest246650irq/16-enp2s0f022:23:581
1821993331,1cyclictest168750irq/16-i91522:54:411
1821993331,1cyclictest168750irq/16-i91522:02:271
1821993331,1cyclictest168750irq/16-i91519:47:041
1821993331,1cyclictest168750irq/16-i91500:30:301
1819993333,0cyclictest246650irq/16-enp2s0f022:52:190
1819993333,0cyclictest246650irq/16-enp2s0f021:20:530
1819993333,0cyclictest246650irq/16-enp2s0f000:35:170
1819993332,0cyclictest246650irq/16-enp2s0f023:44:320
1819993332,0cyclictest246650irq/16-enp2s0f023:34:550
1819993332,0cyclictest246650irq/16-enp2s0f023:26:210
1819993332,0cyclictest246650irq/16-enp2s0f023:17:190
1819993332,0cyclictest246650irq/16-enp2s0f022:57:350
1819993332,0cyclictest246650irq/16-enp2s0f022:38:560
1819993332,0cyclictest246650irq/16-enp2s0f022:34:480
1819993332,0cyclictest246650irq/16-enp2s0f022:05:040
1819993332,0cyclictest246650irq/16-enp2s0f021:43:450
1819993332,0cyclictest246650irq/16-enp2s0f021:35:540
1819993332,0cyclictest246650irq/16-enp2s0f021:30:150
1819993332,0cyclictest246650irq/16-enp2s0f021:27:220
1819993332,0cyclictest246650irq/16-enp2s0f021:15:020
1819993332,0cyclictest246650irq/16-enp2s0f020:53:380
1819993332,0cyclictest246650irq/16-enp2s0f020:39:330
1819993332,0cyclictest246650irq/16-enp2s0f020:31:330
1819993332,0cyclictest246650irq/16-enp2s0f020:22:190
1819993332,0cyclictest246650irq/16-enp2s0f020:14:130
1819993332,0cyclictest246650irq/16-enp2s0f020:07:020
1819993332,0cyclictest246650irq/16-enp2s0f019:38:220
1819993332,0cyclictest246650irq/16-enp2s0f019:23:470
1819993332,0cyclictest246650irq/16-enp2s0f019:10:210
1819993332,0cyclictest246650irq/16-enp2s0f000:29:430
1819993332,0cyclictest246650irq/16-enp2s0f000:07:140
1819993331,1cyclictest246650irq/16-enp2s0f022:24:320
1819993331,1cyclictest246650irq/16-enp2s0f020:27:180
1819993331,1cyclictest246650irq/16-enp2s0f019:55:240
1819993331,1cyclictest246650irq/16-enp2s0f019:28:530
1821993232,0cyclictest168750irq/16-i91522:15:041
1821993231,0cyclictest246650irq/16-enp2s0f023:53:311
1821993231,0cyclictest246650irq/16-enp2s0f000:03:571
1821993231,0cyclictest168750irq/16-i91523:58:461
1821993231,0cyclictest168750irq/16-i91523:18:391
1821993231,0cyclictest168750irq/16-i91522:58:471
1821993231,0cyclictest168750irq/16-i91522:48:441
1821993231,0cyclictest168750irq/16-i91522:40:261
1821993231,0cyclictest168750irq/16-i91522:19:211
1821993231,0cyclictest168750irq/16-i91521:43:441
1821993231,0cyclictest168750irq/16-i91521:33:411
1821993231,0cyclictest168750irq/16-i91520:53:441
1821993231,0cyclictest168750irq/16-i91520:49:271
1821993231,0cyclictest168750irq/16-i91520:39:231
1821993231,0cyclictest168750irq/16-i91520:34:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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