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2026-05-12 - 08:26
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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 May 12, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2023724912,7sleep00-21swapper/019:05:210
1986023720,8sleep10-21swapper/119:03:011
20550993534,0cyclictest246650irq/16-enp2s0f023:18:340
20550993534,0cyclictest246650irq/16-enp2s0f022:20:530
20550993534,0cyclictest246650irq/16-enp2s0f020:55:250
20550993433,0cyclictest246650irq/16-enp2s0f023:15:440
20550993433,0cyclictest246650irq/16-enp2s0f000:08:140
20550993432,1cyclictest246650irq/16-enp2s0f021:51:380
20550993432,1cyclictest246650irq/16-enp2s0f021:47:520
20550993432,1cyclictest246650irq/16-enp2s0f021:42:310
20550993432,1cyclictest246650irq/16-enp2s0f021:20:310
20550993432,1cyclictest246650irq/16-enp2s0f021:18:000
20550993432,1cyclictest246650irq/16-enp2s0f021:08:110
20550993432,1cyclictest246650irq/16-enp2s0f020:18:210
20550993432,1cyclictest246650irq/16-enp2s0f020:17:340
20550993432,1cyclictest246650irq/16-enp2s0f000:23:170
20550993432,1cyclictest246650irq/16-enp2s0f000:03:580
20550993431,2cyclictest246650irq/16-enp2s0f023:40:150
20551993332,0cyclictest246650irq/16-enp2s0f023:44:151
20551993332,0cyclictest246650irq/16-enp2s0f022:53:111
20551993332,0cyclictest246650irq/16-enp2s0f019:56:021
20551993332,0cyclictest168750irq/16-i91522:20:531
20551993332,0cyclictest168750irq/16-i91520:55:251
20550993332,0cyclictest246650irq/16-enp2s0f023:59:320
20550993332,0cyclictest246650irq/16-enp2s0f023:48:400
20550993332,0cyclictest246650irq/16-enp2s0f023:33:550
20550993332,0cyclictest246650irq/16-enp2s0f023:08:110
20550993332,0cyclictest246650irq/16-enp2s0f023:03:010
20550993332,0cyclictest246650irq/16-enp2s0f022:53:020
20550993332,0cyclictest246650irq/16-enp2s0f022:46:090
20550993332,0cyclictest246650irq/16-enp2s0f022:30:270
20550993332,0cyclictest246650irq/16-enp2s0f022:23:300
20550993332,0cyclictest246650irq/16-enp2s0f022:13:150
20550993332,0cyclictest246650irq/16-enp2s0f022:08:140
20550993332,0cyclictest246650irq/16-enp2s0f022:06:080
20550993332,0cyclictest246650irq/16-enp2s0f022:00:320
20550993332,0cyclictest246650irq/16-enp2s0f021:55:140
20550993332,0cyclictest246650irq/16-enp2s0f021:28:170
20550993332,0cyclictest246650irq/16-enp2s0f021:23:120
20550993332,0cyclictest246650irq/16-enp2s0f021:04:000
20550993332,0cyclictest246650irq/16-enp2s0f020:48:210
20550993332,0cyclictest246650irq/16-enp2s0f020:40:160
20550993332,0cyclictest246650irq/16-enp2s0f020:34:400
20550993332,0cyclictest246650irq/16-enp2s0f020:09:200
20550993332,0cyclictest246650irq/16-enp2s0f019:53:400
20550993332,0cyclictest246650irq/16-enp2s0f019:32:130
20550993332,0cyclictest246650irq/16-enp2s0f019:13:200
20550993332,0cyclictest246650irq/16-enp2s0f019:12:340
20550993332,0cyclictest246650irq/16-enp2s0f000:29:200
20550993331,1cyclictest246650irq/16-enp2s0f020:24:590
20550993331,1cyclictest246650irq/16-enp2s0f020:00:120
20550993331,1cyclictest246650irq/16-enp2s0f019:53:000
20550993331,1cyclictest246650irq/16-enp2s0f000:22:360
20550993331,0cyclictest246650irq/16-enp2s0f020:05:180
20550993330,0cyclictest246650irq/16-enp2s0f020:58:280
20551993231,0cyclictest246650irq/16-enp2s0f020:46:211
20551993231,0cyclictest246650irq/16-enp2s0f019:59:441
20551993231,0cyclictest168750irq/16-i91523:15:441
20551993231,0cyclictest168750irq/16-i91500:08:141
20551993230,1cyclictest168750irq/16-i91521:18:001
20550993232,0cyclictest246650irq/16-enp2s0f023:28:080
20550993232,0cyclictest246650irq/16-enp2s0f023:03:040
20550993232,0cyclictest246650irq/16-enp2s0f022:48:250
20550993232,0cyclictest246650irq/16-enp2s0f020:43:020
20550993232,0cyclictest246650irq/16-enp2s0f020:30:150
20550993232,0cyclictest246650irq/16-enp2s0f019:38:350
20550993232,0cyclictest246650irq/16-enp2s0f019:33:110
20550993232,0cyclictest246650irq/16-enp2s0f000:35:150
20550993232,0cyclictest246650irq/16-enp2s0f000:13:130
20550993231,0cyclictest246650irq/16-enp2s0f023:54:580
20550993231,0cyclictest246650irq/16-enp2s0f023:43:110
20550993231,0cyclictest246650irq/16-enp2s0f022:38:440
20550993231,0cyclictest246650irq/16-enp2s0f022:33:120
20550993231,0cyclictest246650irq/16-enp2s0f021:33:400
20550993231,0cyclictest246650irq/16-enp2s0f021:33:400
20550993231,0cyclictest246650irq/16-enp2s0f019:43:070
20550993231,0cyclictest246650irq/16-enp2s0f019:23:430
20550993231,0cyclictest246650irq/16-enp2s0f019:22:310
20550993230,1cyclictest168750irq/16-i91523:23:080
20551993131,0cyclictest246650irq/16-enp2s0f023:23:121
20551993130,0cyclictest168750irq/16-i91523:38:081
20551993130,0cyclictest168750irq/16-i91523:33:221
20551993130,0cyclictest168750irq/16-i91523:19:241
20551993130,0cyclictest168750irq/16-i91522:48:251
20551993130,0cyclictest168750irq/16-i91522:40:241
20551993130,0cyclictest168750irq/16-i91522:30:271
20551993130,0cyclictest168750irq/16-i91522:13:071
20551993130,0cyclictest168750irq/16-i91522:08:141
20551993130,0cyclictest168750irq/16-i91522:06:081
20551993130,0cyclictest168750irq/16-i91522:00:381
20551993130,0cyclictest168750irq/16-i91521:55:141
20551993130,0cyclictest168750irq/16-i91521:48:201
20551993130,0cyclictest168750irq/16-i91521:44:231
20551993130,0cyclictest168750irq/16-i91521:42:501
20551993130,0cyclictest168750irq/16-i91521:36:291
20551993130,0cyclictest168750irq/16-i91521:36:291
20551993130,0cyclictest168750irq/16-i91521:28:171
20551993130,0cyclictest168750irq/16-i91521:23:121
20551993130,0cyclictest168750irq/16-i91521:18:151
20551993130,0cyclictest168750irq/16-i91521:08:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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