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2026-09-19 - 06:58
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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 Sat Sep 19, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
157424312,23sleep00-21swapper/019:03:400
14382439,8sleep10-21swapper/119:02:161
1814993734,2cyclictest168750irq/16-i91500:19:151
1814993732,4cyclictest168750irq/16-i91523:15:441
1814993632,3cyclictest168750irq/16-i91522:03:191
1814993632,3cyclictest168750irq/16-i91521:24:191
1814993632,3cyclictest168750irq/16-i91520:14:141
1814993632,3cyclictest168750irq/16-i91520:05:051
1814993631,4cyclictest168750irq/16-i91523:58:481
1814993631,4cyclictest168750irq/16-i91523:06:561
1814993631,4cyclictest168750irq/16-i91522:05:291
1814993631,4cyclictest168750irq/16-i91520:45:131
1814993532,3cyclictest168750irq/16-i91521:04:151
1814993532,2cyclictest246650irq/16-enp2s0f021:45:331
1814993532,2cyclictest168750irq/16-i91523:28:251
1814993532,2cyclictest168750irq/16-i91523:01:261
1814993532,2cyclictest168750irq/16-i91522:44:541
1814993532,2cyclictest168750irq/16-i91521:10:391
1814993532,2cyclictest168750irq/16-i91520:17:131
1814993532,2cyclictest168750irq/16-i91519:55:211
1814993532,2cyclictest168750irq/16-i91519:31:181
1814993531,3cyclictest168750irq/16-i91523:37:011
1814993531,3cyclictest168750irq/16-i91521:20:201
1814993530,4cyclictest246650irq/16-enp2s0f023:11:571
1814993530,4cyclictest168750irq/16-i91522:10:301
1814993530,4cyclictest168750irq/16-i91520:30:101
1814993530,4cyclictest168750irq/16-i91520:10:061
1814993432,1cyclictest168750irq/16-i91521:51:341
1814993431,2cyclictest246650irq/16-enp2s0f022:22:451
1814993431,2cyclictest246650irq/16-enp2s0f020:20:381
1814993431,2cyclictest168750irq/16-i91523:21:211
1814993431,2cyclictest168750irq/16-i91522:56:171
1814993431,2cyclictest168750irq/16-i91521:55:491
1814993431,2cyclictest168750irq/16-i91521:42:511
1814993431,2cyclictest168750irq/16-i91521:37:371
1814993431,2cyclictest168750irq/16-i91520:56:291
1814993431,2cyclictest168750irq/16-i91520:51:301
1814993431,2cyclictest168750irq/16-i91520:45:381
1814993431,2cyclictest168750irq/16-i91520:31:421
1814993431,2cyclictest168750irq/16-i91519:42:481
1814993431,2cyclictest168750irq/16-i91519:37:031
1814993431,2cyclictest168750irq/16-i91519:21:041
1814993431,2cyclictest168750irq/16-i91519:19:261
1814993431,2cyclictest168750irq/16-i91519:11:291
1814993431,2cyclictest168750irq/16-i91519:07:221
1814993431,2cyclictest168750irq/16-i91500:34:371
1814993431,2cyclictest168750irq/16-i91500:12:241
1814993431,2cyclictest168750irq/16-i91500:05:431
1814993430,3cyclictest246650irq/16-enp2s0f022:54:191
1814993430,3cyclictest246650irq/16-enp2s0f020:35:451
1814993430,3cyclictest168750irq/16-i91500:23:051
1814993430,3cyclictest168750irq/16-i91500:02:511
1814993429,4cyclictest168750irq/16-i91522:30:341
1813993434,0cyclictest246650irq/16-enp2s0f020:05:440
1813993434,0cyclictest246650irq/16-enp2s0f000:08:570
1813993433,0cyclictest246650irq/16-enp2s0f023:21:380
1813993433,0cyclictest246650irq/16-enp2s0f020:49:310
1813993432,1cyclictest246650irq/16-enp2s0f023:42:400
1813993432,1cyclictest246650irq/16-enp2s0f023:18:030
1813993432,1cyclictest246650irq/16-enp2s0f022:15:260
1813993432,1cyclictest246650irq/16-enp2s0f021:45:290
1813993432,1cyclictest246650irq/16-enp2s0f021:05:280
1813993432,1cyclictest168750irq/16-i91519:19:580
1813993431,0cyclictest168750irq/16-i91520:15:320
1814993332,0cyclictest246650irq/16-enp2s0f021:30:551
1814993332,0cyclictest168750irq/16-i91523:50:341
1814993332,0cyclictest168750irq/16-i91523:41:301
1814993332,0cyclictest168750irq/16-i91522:35:471
1814993331,2cyclictest168750irq/16-i91522:48:011
1814993331,2cyclictest168750irq/16-i91522:25:401
1814993330,2cyclictest168750irq/16-i91523:46:451
1814993330,2cyclictest168750irq/16-i91523:30:371
1814993330,2cyclictest168750irq/16-i91522:19:241
1814993330,2cyclictest168750irq/16-i91521:05:311
1814993330,2cyclictest168750irq/16-i91519:57:571
1814993330,2cyclictest168750irq/16-i91519:47:301
1814993330,2cyclictest168750irq/16-i91500:25:301
1814993329,3cyclictest168750irq/16-i91521:25:391
1813993333,0cyclictest246650irq/16-enp2s0f023:58:420
1813993333,0cyclictest246650irq/16-enp2s0f021:58:000
1813993332,0cyclictest246650irq/16-enp2s0f023:51:310
1813993332,0cyclictest246650irq/16-enp2s0f023:26:140
1813993332,0cyclictest246650irq/16-enp2s0f023:00:420
1813993332,0cyclictest246650irq/16-enp2s0f022:38:040
1813993332,0cyclictest246650irq/16-enp2s0f022:30:340
1813993332,0cyclictest246650irq/16-enp2s0f021:50:290
1813993332,0cyclictest246650irq/16-enp2s0f021:47:390
1813993332,0cyclictest246650irq/16-enp2s0f021:16:200
1813993332,0cyclictest246650irq/16-enp2s0f021:11:550
1813993332,0cyclictest246650irq/16-enp2s0f020:40:120
1813993332,0cyclictest246650irq/16-enp2s0f020:32:580
1813993332,0cyclictest246650irq/16-enp2s0f020:21:240
1813993332,0cyclictest246650irq/16-enp2s0f019:41:200
1813993332,0cyclictest246650irq/16-enp2s0f019:34:530
1813993332,0cyclictest246650irq/16-enp2s0f000:26:390
1813993332,0cyclictest246650irq/16-enp2s0f000:21:340
1813993332,0cyclictest246650irq/16-enp2s0f000:12:000
1813993332,0cyclictest168750irq/16-i91522:43:340
1813993331,1cyclictest246650irq/16-enp2s0f023:10:380
1813993331,1cyclictest246650irq/16-enp2s0f023:05:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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