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2026-08-20 - 07:23
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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 Aug 20, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1952724414,22sleep00-21swapper/019:05:420
1943924315,8sleep10-21swapper/119:04:471
19623993732,0cyclictest168750irq/16-i91520:15:191
19623993632,3cyclictest168750irq/16-i91519:41:431
19623993632,0cyclictest168750irq/16-i91519:28:201
19623993632,0cyclictest168750irq/16-i91500:21:541
19623993631,0cyclictest168750irq/16-i91521:15:311
19623993630,1cyclictest168750irq/16-i91522:15:431
19623993532,2cyclictest168750irq/16-i91522:00:041
19623993532,2cyclictest168750irq/16-i91521:08:501
19623993532,0cyclictest246650irq/16-enp2s0f020:52:551
19623993532,0cyclictest246650irq/16-enp2s0f020:36:401
19623993532,0cyclictest168750irq/16-i91523:57:071
19623993532,0cyclictest168750irq/16-i91522:05:321
19623993532,0cyclictest168750irq/16-i91521:51:081
19623993532,0cyclictest168750irq/16-i91521:47:401
19623993532,0cyclictest168750irq/16-i91519:39:591
19623993532,0cyclictest168750irq/16-i91500:26:291
19623993531,0cyclictest168750irq/16-i91523:43:231
19623993530,0cyclictest168750irq/16-i91522:30:461
19623993433,0cyclictest168750irq/16-i91523:38:181
19623993433,0cyclictest168750irq/16-i91500:03:481
19623993431,0cyclictest246650irq/16-enp2s0f022:41:261
19623993431,0cyclictest246650irq/16-enp2s0f020:17:261
19623993431,0cyclictest246650irq/16-enp2s0f019:52:341
19623993431,0cyclictest168750irq/16-i91523:32:311
19623993431,0cyclictest168750irq/16-i91523:27:231
19623993431,0cyclictest168750irq/16-i91523:11:041
19623993431,0cyclictest168750irq/16-i91523:00:371
19623993431,0cyclictest168750irq/16-i91522:08:301
19623993431,0cyclictest168750irq/16-i91520:42:401
19623993431,0cyclictest168750irq/16-i91520:26:191
19623993431,0cyclictest168750irq/16-i91520:22:551
19623993431,0cyclictest168750irq/16-i91519:32:301
19623993431,0cyclictest168750irq/16-i91519:23:041
19623993431,0cyclictest168750irq/16-i91519:16:251
19623993431,0cyclictest168750irq/16-i91519:14:441
19623993431,0cyclictest168750irq/16-i91500:31:541
19623993431,0cyclictest168750irq/16-i91500:16:141
19623993431,0cyclictest168750irq/16-i91500:06:181
19622993434,0cyclictest246650irq/16-enp2s0f020:34:220
19622993433,0cyclictest246650irq/16-enp2s0f000:14:480
19622993432,1cyclictest246650irq/16-enp2s0f023:57:230
19622993432,1cyclictest246650irq/16-enp2s0f022:18:140
19622993431,0cyclictest246650irq/16-enp2s0f022:05:260
19622993431,0cyclictest168750irq/16-i91500:25:030
19623993333,0cyclictest168750irq/16-i91519:56:591
19623993332,0cyclictest168750irq/16-i91523:55:521
19623993332,0cyclictest168750irq/16-i91523:48:411
19623993332,0cyclictest168750irq/16-i91523:21:081
19623993332,0cyclictest168750irq/16-i91522:46:301
19623993332,0cyclictest168750irq/16-i91522:35:391
19623993332,0cyclictest168750irq/16-i91521:39:151
19623993332,0cyclictest168750irq/16-i91519:10:111
19623993332,0cyclictest168750irq/16-i91500:12:001
19623993331,1cyclictest168750irq/16-i91522:51:151
19623993331,1cyclictest168750irq/16-i91521:33:051
19623993331,1cyclictest168750irq/16-i91520:56:191
19622993333,0cyclictest246650irq/16-enp2s0f023:14:350
19622993333,0cyclictest246650irq/16-enp2s0f022:36:170
19622993333,0cyclictest246650irq/16-enp2s0f021:05:290
19622993333,0cyclictest246650irq/16-enp2s0f020:21:440
19622993332,0cyclictest246650irq/16-enp2s0f023:46:450
19622993332,0cyclictest246650irq/16-enp2s0f023:25:160
19622993332,0cyclictest246650irq/16-enp2s0f022:58:120
19622993332,0cyclictest246650irq/16-enp2s0f022:46:510
19622993332,0cyclictest246650irq/16-enp2s0f022:13:030
19622993332,0cyclictest246650irq/16-enp2s0f022:06:050
19622993332,0cyclictest246650irq/16-enp2s0f021:50:380
19622993332,0cyclictest246650irq/16-enp2s0f021:43:240
19622993332,0cyclictest246650irq/16-enp2s0f021:37:510
19622993332,0cyclictest246650irq/16-enp2s0f021:25:330
19622993332,0cyclictest246650irq/16-enp2s0f021:14:030
19622993332,0cyclictest246650irq/16-enp2s0f021:07:320
19622993332,0cyclictest246650irq/16-enp2s0f020:30:220
19622993332,0cyclictest246650irq/16-enp2s0f019:45:130
19622993332,0cyclictest246650irq/16-enp2s0f019:18:390
19622993332,0cyclictest246650irq/16-enp2s0f019:11:290
19622993332,0cyclictest246650irq/16-enp2s0f019:06:350
19622993331,1cyclictest246650irq/16-enp2s0f023:06:130
19622993331,1cyclictest246650irq/16-enp2s0f021:53:400
19622993331,1cyclictest246650irq/16-enp2s0f020:18:390
19622993331,1cyclictest246650irq/16-enp2s0f019:39:100
19622993331,1cyclictest168750irq/16-i91519:25:090
19622993331,1cyclictest168750irq/16-i91500:32:300
19623993232,0cyclictest168750irq/16-i91522:39:161
19623993231,0cyclictest168750irq/16-i91523:08:511
19623993231,0cyclictest168750irq/16-i91523:01:131
19623993231,0cyclictest168750irq/16-i91522:22:131
19623993231,0cyclictest168750irq/16-i91522:16:521
19623993231,0cyclictest168750irq/16-i91521:41:411
19623993231,0cyclictest168750irq/16-i91521:26:131
19623993231,0cyclictest168750irq/16-i91521:01:141
19623993231,0cyclictest168750irq/16-i91520:46:341
19623993231,0cyclictest168750irq/16-i91520:06:151
19623993231,0cyclictest168750irq/16-i91520:01:281
19623993231,0cyclictest168750irq/16-i91519:46:571
19622993232,0cyclictest246650irq/16-enp2s0f023:36:090
19622993232,0cyclictest246650irq/16-enp2s0f023:32:540
19622993232,0cyclictest246650irq/16-enp2s0f023:26:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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