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2025-06-17 - 02:26
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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 50 highest latencies:
System rack6slot2.osadl.org (updated Tue Jun 17, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1643994632,13cyclictest245950irq/16-enp2s0f020:30:330
18722450,0sleep00-21swapper/019:05:270
13442438,8sleep00-21swapper/019:02:490
115724019,13sleep10-21swapper/119:00:561
1643993729,7cyclictest245950irq/16-enp2s0f022:10:290
1643993535,0cyclictest245950irq/16-enp2s0f022:42:240
1643993531,0cyclictest167950irq/16-i91522:23:480
1644993434,0cyclictest167950irq/16-i91519:15:091
1644993433,0cyclictest245950irq/16-enp2s0f019:52:411
1644993432,1cyclictest167950irq/16-i91523:50:291
1644993432,1cyclictest167950irq/16-i91522:45:251
1644993432,1cyclictest167950irq/16-i91522:35:351
1644993432,1cyclictest167950irq/16-i91521:36:501
1644993432,1cyclictest167950irq/16-i91521:01:371
1644993432,1cyclictest167950irq/16-i91520:05:271
1643993433,0cyclictest245950irq/16-enp2s0f021:35:290
1643993432,1cyclictest245950irq/16-enp2s0f023:36:430
1643993432,1cyclictest245950irq/16-enp2s0f023:16:000
1643993432,1cyclictest245950irq/16-enp2s0f023:10:270
1643993432,1cyclictest245950irq/16-enp2s0f022:50:280
1643993432,1cyclictest245950irq/16-enp2s0f022:02:490
1643993432,1cyclictest245950irq/16-enp2s0f021:10:350
1643993432,1cyclictest245950irq/16-enp2s0f021:00:280
1643993432,1cyclictest245950irq/16-enp2s0f020:20:490
1643993432,1cyclictest245950irq/16-enp2s0f019:45:310
1643993432,1cyclictest245950irq/16-enp2s0f000:25:270
1643993432,1cyclictest245950irq/16-enp2s0f000:10:310
1643993431,0cyclictest167950irq/16-i91521:05:270
1644993333,0cyclictest167950irq/16-i91519:16:351
1644993332,0cyclictest245950irq/16-enp2s0f023:26:341
1644993332,0cyclictest245950irq/16-enp2s0f023:15:301
1644993332,0cyclictest245950irq/16-enp2s0f023:06:111
1644993332,0cyclictest245950irq/16-enp2s0f022:25:321
1644993332,0cyclictest245950irq/16-enp2s0f022:20:331
1644993332,0cyclictest245950irq/16-enp2s0f021:05:271
1644993332,0cyclictest245950irq/16-enp2s0f020:55:301
1644993332,0cyclictest245950irq/16-enp2s0f020:55:301
1644993332,0cyclictest245950irq/16-enp2s0f020:31:101
1644993332,0cyclictest245950irq/16-enp2s0f000:05:321
1644993332,0cyclictest245950irq/16-enp2s0f000:00:361
1644993332,0cyclictest167950irq/16-i91523:55:331
1644993332,0cyclictest167950irq/16-i91522:15:301
1644993332,0cyclictest167950irq/16-i91521:56:151
1644993332,0cyclictest167950irq/16-i91521:10:351
1644993332,0cyclictest167950irq/16-i91520:49:471
1644993332,0cyclictest167950irq/16-i91520:25:271
1644993332,0cyclictest167950irq/16-i91520:10:241
1644993332,0cyclictest167950irq/16-i91519:42:401
1644993332,0cyclictest167950irq/16-i91519:25:171
1644993332,0cyclictest167950irq/16-i91519:20:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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