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2026-06-02 - 10:48
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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 Jun 02, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
281902550,0sleep10-21swapper/122:12:361
33362428,8sleep10-21swapper/119:03:561
329324115,17sleep00-21swapper/019:03:310
3756993931,7cyclictest246650irq/16-enp2s0f021:35:070
3756993832,5cyclictest246650irq/16-enp2s0f020:37:210
3756993831,6cyclictest246650irq/16-enp2s0f023:27:490
3756993831,6cyclictest246650irq/16-enp2s0f019:19:310
3756993731,5cyclictest246650irq/16-enp2s0f023:58:350
3756993731,5cyclictest246650irq/16-enp2s0f020:02:140
3756993731,5cyclictest246650irq/16-enp2s0f019:37:110
3756993730,6cyclictest246650irq/16-enp2s0f021:04:570
3756993729,7cyclictest246650irq/16-enp2s0f022:07:360
3756993729,7cyclictest246650irq/16-enp2s0f020:47:360
3756993729,7cyclictest246650irq/16-enp2s0f020:15:080
3756993632,3cyclictest246650irq/16-enp2s0f023:34:390
3756993632,3cyclictest246650irq/16-enp2s0f022:48:100
3756993632,3cyclictest246650irq/16-enp2s0f022:10:000
3756993632,3cyclictest246650irq/16-enp2s0f020:55:350
3756993632,3cyclictest246650irq/16-enp2s0f020:38:140
3756993632,3cyclictest246650irq/16-enp2s0f019:57:350
3756993632,3cyclictest246650irq/16-enp2s0f019:49:370
3756993631,4cyclictest246650irq/16-enp2s0f021:28:290
3756993630,5cyclictest246650irq/16-enp2s0f022:52:450
3756993630,5cyclictest246650irq/16-enp2s0f022:35:240
3756993630,5cyclictest246650irq/16-enp2s0f022:22:390
3756993630,5cyclictest246650irq/16-enp2s0f019:42:120
3756993630,5cyclictest168750irq/16-i91500:33:030
3756993629,6cyclictest246650irq/16-enp2s0f019:27:090
3756993532,3cyclictest246650irq/16-enp2s0f000:10:000
3756993532,2cyclictest246650irq/16-enp2s0f023:19:530
3756993532,2cyclictest246650irq/16-enp2s0f023:13:520
3756993532,2cyclictest246650irq/16-enp2s0f021:15:540
3756993532,2cyclictest246650irq/16-enp2s0f020:28:350
3756993532,2cyclictest246650irq/16-enp2s0f020:19:100
3756993532,2cyclictest246650irq/16-enp2s0f019:14:440
3756993532,2cyclictest246650irq/16-enp2s0f019:09:010
3756993531,3cyclictest246650irq/16-enp2s0f023:24:000
3756993531,3cyclictest246650irq/16-enp2s0f023:09:480
3756993531,3cyclictest246650irq/16-enp2s0f023:09:480
3756993531,3cyclictest246650irq/16-enp2s0f022:44:320
3756993531,3cyclictest246650irq/16-enp2s0f021:38:280
3756993531,3cyclictest246650irq/16-enp2s0f020:23:010
3756993531,3cyclictest246650irq/16-enp2s0f019:43:470
3756993531,3cyclictest246650irq/16-enp2s0f000:18:090
3756993531,3cyclictest168750irq/16-i91522:59:000
3756993531,3cyclictest168750irq/16-i91519:31:010
3756993530,4cyclictest246650irq/16-enp2s0f023:05:430
3756993530,4cyclictest246650irq/16-enp2s0f021:47:330
3756993530,4cyclictest246650irq/16-enp2s0f000:27:170
3756993529,5cyclictest246650irq/16-enp2s0f000:28:020
3757993434,0cyclictest168750irq/16-i91520:53:051
3757993433,0cyclictest168750irq/16-i91519:55:071
3757993432,1cyclictest168750irq/16-i91521:57:351
3757993432,1cyclictest168750irq/16-i91520:35:311
3757993432,1cyclictest168750irq/16-i91520:32:201
3757993432,1cyclictest168750irq/16-i91500:07:351
3756993432,2cyclictest246650irq/16-enp2s0f023:54:070
3756993432,1cyclictest168750irq/16-i91523:47:540
3756993431,3cyclictest246650irq/16-enp2s0f021:00:570
3756993431,3cyclictest246650irq/16-enp2s0f000:05:500
3756993431,2cyclictest246650irq/16-enp2s0f021:54:010
3756993431,2cyclictest246650irq/16-enp2s0f021:25:250
3756993431,2cyclictest246650irq/16-enp2s0f021:18:080
3756993431,2cyclictest246650irq/16-enp2s0f021:10:200
3756993431,2cyclictest246650irq/16-enp2s0f020:11:010
3756993431,2cyclictest246650irq/16-enp2s0f020:04:530
3756993430,3cyclictest246650irq/16-enp2s0f022:22:340
3756993430,3cyclictest246650irq/16-enp2s0f022:12:550
3756993430,3cyclictest246650irq/16-enp2s0f021:57:450
3756993429,4cyclictest246650irq/16-enp2s0f021:50:080
3757993333,0cyclictest168750irq/16-i91520:42:031
3757993333,0cyclictest168750irq/16-i91520:24:401
3757993333,0cyclictest168750irq/16-i91500:30:461
3757993332,1cyclictest168750irq/16-i91500:32:561
3757993332,0cyclictest246650irq/16-enp2s0f023:21:271
3757993332,0cyclictest246650irq/16-enp2s0f022:35:311
3757993332,0cyclictest246650irq/16-enp2s0f022:21:081
3757993332,0cyclictest246650irq/16-enp2s0f019:51:151
3757993332,0cyclictest168750irq/16-i91522:57:461
3757993332,0cyclictest168750irq/16-i91522:45:481
3757993332,0cyclictest168750irq/16-i91522:41:041
3757993332,0cyclictest168750irq/16-i91521:58:151
3757993332,0cyclictest168750irq/16-i91521:22:291
3757993332,0cyclictest168750irq/16-i91521:07:501
3757993332,0cyclictest168750irq/16-i91521:02:261
3757993332,0cyclictest168750irq/16-i91520:47:381
3757993332,0cyclictest168750irq/16-i91500:25:161
3757993332,0cyclictest168750irq/16-i91500:18:141
3757993332,0cyclictest168750irq/16-i91500:07:581
3757993331,1cyclictest168750irq/16-i91523:12:241
3757993331,1cyclictest168750irq/16-i91523:12:241
3757993331,1cyclictest168750irq/16-i91519:38:171
3757993331,1cyclictest168750irq/16-i91500:15:441
3756993332,0cyclictest246650irq/16-enp2s0f022:37:440
3756993332,0cyclictest246650irq/16-enp2s0f022:27:410
3756993330,3cyclictest246650irq/16-enp2s0f023:44:390
3756993330,2cyclictest246650irq/16-enp2s0f020:48:490
3756993328,4cyclictest246650irq/16-enp2s0f000:12:590
3757993232,0cyclictest246650irq/16-enp2s0f019:30:581
3757993232,0cyclictest168750irq/16-i91523:57:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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