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2025-09-17 - 20:43
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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 Wed Sep 17, 2025 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
298252428,8sleep10-21swapper/107:03:131
2855824125,8sleep00-21swapper/006:58:320
29908993534,0cyclictest245950irq/16-enp2s0f011:49:090
29909993433,0cyclictest167950irq/16-i91510:41:411
29909993433,0cyclictest167950irq/16-i91509:08:401
29909993432,1cyclictest167950irq/16-i91512:28:411
29909993432,1cyclictest167950irq/16-i91512:16:141
29909993432,1cyclictest167950irq/16-i91509:48:431
29909993432,1cyclictest167950irq/16-i91509:33:421
29909993432,1cyclictest167950irq/16-i91509:28:381
29909993432,1cyclictest167950irq/16-i91509:23:441
29909993432,1cyclictest167950irq/16-i91508:43:431
29909993432,1cyclictest167950irq/16-i91507:28:461
29908993433,0cyclictest245950irq/16-enp2s0f012:23:440
29908993433,0cyclictest245950irq/16-enp2s0f011:59:350
29908993433,0cyclictest245950irq/16-enp2s0f011:44:270
29908993433,0cyclictest245950irq/16-enp2s0f010:54:390
29908993433,0cyclictest245950irq/16-enp2s0f010:34:130
29908993433,0cyclictest245950irq/16-enp2s0f010:09:510
29908993433,0cyclictest245950irq/16-enp2s0f009:33:460
29908993433,0cyclictest245950irq/16-enp2s0f008:35:550
29908993433,0cyclictest245950irq/16-enp2s0f008:23:380
29908993433,0cyclictest245950irq/16-enp2s0f008:18:400
29908993433,0cyclictest245950irq/16-enp2s0f007:26:450
29908993432,1cyclictest245950irq/16-enp2s0f012:28:480
29908993432,1cyclictest245950irq/16-enp2s0f012:08:390
29908993432,1cyclictest245950irq/16-enp2s0f011:28:460
29908993432,1cyclictest245950irq/16-enp2s0f010:48:490
29908993432,1cyclictest245950irq/16-enp2s0f010:38:420
29908993432,1cyclictest245950irq/16-enp2s0f009:59:130
29908993432,1cyclictest245950irq/16-enp2s0f009:48:420
29908993432,1cyclictest245950irq/16-enp2s0f009:06:270
29908993432,1cyclictest245950irq/16-enp2s0f009:00:370
29908993432,1cyclictest245950irq/16-enp2s0f008:53:420
29908993432,1cyclictest245950irq/16-enp2s0f008:48:090
29909993333,0cyclictest221ktimersoftd/108:38:451
29909993332,0cyclictest245950irq/16-enp2s0f009:18:411
29909993332,0cyclictest245950irq/16-enp2s0f007:53:331
29909993332,0cyclictest167950irq/16-i91512:06:121
29909993332,0cyclictest167950irq/16-i91512:00:321
29909993332,0cyclictest167950irq/16-i91511:56:591
29909993332,0cyclictest167950irq/16-i91511:43:411
29909993332,0cyclictest167950irq/16-i91511:36:081
29909993332,0cyclictest167950irq/16-i91511:28:281
29909993332,0cyclictest167950irq/16-i91511:18:451
29909993332,0cyclictest167950irq/16-i91511:16:041
29909993332,0cyclictest167950irq/16-i91511:07:471
29909993332,0cyclictest167950irq/16-i91510:53:401
29909993332,0cyclictest167950irq/16-i91510:49:021
29909993332,0cyclictest167950irq/16-i91510:28:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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