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2025-12-08 - 12:48
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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 50 highest latencies:
System rack6slot2.osadl.org (updated Mon Dec 08, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
884324919,22sleep00-21swapper/018:59:530
885523716,13sleep10-21swapper/118:59:581
9099993628,7cyclictest245950irq/16-enp2s0f020:39:360
9099993534,0cyclictest245950irq/16-enp2s0f023:37:060
9100993433,0cyclictest185550irq/16-nvkm21:11:561
9100993432,1cyclictest245950irq/16-enp2s0f020:05:531
9100993432,1cyclictest167950irq/16-i91522:34:341
9100993432,1cyclictest167950irq/16-i91522:12:071
9100993432,1cyclictest167950irq/16-i91500:17:071
9099993433,0cyclictest245950irq/16-enp2s0f022:37:050
9099993433,0cyclictest245950irq/16-enp2s0f022:10:500
9099993432,1cyclictest245950irq/16-enp2s0f023:17:080
9099993432,1cyclictest245950irq/16-enp2s0f022:52:090
9099993432,1cyclictest245950irq/16-enp2s0f022:34:520
9099993432,1cyclictest245950irq/16-enp2s0f022:13:060
9099993432,1cyclictest245950irq/16-enp2s0f021:52:110
9099993432,1cyclictest245950irq/16-enp2s0f021:07:050
9099993432,1cyclictest245950irq/16-enp2s0f020:47:110
9099993432,1cyclictest245950irq/16-enp2s0f019:49:160
9099993432,1cyclictest245950irq/16-enp2s0f019:12:160
9099993432,1cyclictest245950irq/16-enp2s0f019:02:180
9099993432,1cyclictest245950irq/16-enp2s0f000:17:100
9099993431,0cyclictest167950irq/16-i91520:02:080
9099993430,0cyclictest167950irq/16-i91520:27:130
9100993333,0cyclictest167950irq/16-i91521:02:121
9100993333,0cyclictest167950irq/16-i91500:07:251
9100993332,0cyclictest245950irq/16-enp2s0f022:22:581
9100993332,0cyclictest167950irq/16-i91523:58:111
9100993332,0cyclictest167950irq/16-i91523:52:111
9100993332,0cyclictest167950irq/16-i91523:48:031
9100993332,0cyclictest167950irq/16-i91523:21:251
9100993332,0cyclictest167950irq/16-i91523:15:201
9100993332,0cyclictest167950irq/16-i91523:07:051
9100993332,0cyclictest167950irq/16-i91522:52:431
9100993332,0cyclictest167950irq/16-i91522:41:261
9100993332,0cyclictest167950irq/16-i91522:26:551
9100993332,0cyclictest167950irq/16-i91521:50:381
9100993332,0cyclictest167950irq/16-i91521:42:151
9100993332,0cyclictest167950irq/16-i91521:33:051
9100993332,0cyclictest167950irq/16-i91521:00:131
9100993332,0cyclictest167950irq/16-i91520:52:061
9100993332,0cyclictest167950irq/16-i91520:50:181
9100993332,0cyclictest167950irq/16-i91520:36:331
9100993332,0cyclictest167950irq/16-i91520:17:061
9100993332,0cyclictest167950irq/16-i91520:12:061
9100993332,0cyclictest167950irq/16-i91520:11:261
9100993332,0cyclictest167950irq/16-i91519:54:031
9100993332,0cyclictest167950irq/16-i91519:17:271
9100993332,0cyclictest167950irq/16-i91519:14:071
9100993332,0cyclictest167950irq/16-i91519:08:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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