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2025-11-27 - 12:19
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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 Thu Nov 27, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
281552418,8sleep00-21swapper/018:58:000
2837623711,19sleep10-21swapper/119:00:131
28616993534,0cyclictest245950irq/16-enp2s0f022:30:070
28616993534,0cyclictest245950irq/16-enp2s0f000:27:180
28616993531,3cyclictest245950irq/16-enp2s0f020:09:030
28618993433,0cyclictest167950irq/16-i91519:52:051
28618993433,0cyclictest167950irq/16-i91519:07:191
28618993432,1cyclictest245950irq/16-enp2s0f022:17:201
28618993432,1cyclictest167950irq/16-i91520:20:501
28616993433,0cyclictest245950irq/16-enp2s0f021:50:120
28616993432,1cyclictest245950irq/16-enp2s0f023:31:380
28616993432,1cyclictest245950irq/16-enp2s0f023:17:240
28616993432,1cyclictest245950irq/16-enp2s0f022:17:170
28616993432,1cyclictest245950irq/16-enp2s0f021:57:240
28616993432,1cyclictest245950irq/16-enp2s0f021:27:180
28616993432,1cyclictest245950irq/16-enp2s0f021:22:230
28616993432,1cyclictest245950irq/16-enp2s0f020:32:120
28616993432,1cyclictest245950irq/16-enp2s0f019:17:220
28616993432,1cyclictest245950irq/16-enp2s0f000:22:220
28616993429,0cyclictest167950irq/16-i91522:37:380
28618993333,0cyclictest167950irq/16-i91521:59:161
28618993332,0cyclictest245950irq/16-enp2s0f023:49:261
28618993332,0cyclictest245950irq/16-enp2s0f022:52:181
28618993332,0cyclictest245950irq/16-enp2s0f022:32:181
28618993332,0cyclictest245950irq/16-enp2s0f000:28:451
28618993332,0cyclictest167950irq/16-i91523:53:291
28618993332,0cyclictest167950irq/16-i91522:51:311
28618993332,0cyclictest167950irq/16-i91521:51:211
28618993332,0cyclictest167950irq/16-i91521:27:421
28618993332,0cyclictest167950irq/16-i91521:23:341
28618993332,0cyclictest167950irq/16-i91520:49:431
28618993332,0cyclictest167950irq/16-i91519:35:051
28618993332,0cyclictest167950irq/16-i91500:04:501
28618993331,1cyclictest167950irq/16-i91523:57:161
28618993331,1cyclictest167950irq/16-i91523:07:151
28618993331,1cyclictest167950irq/16-i91521:12:151
28618993331,1cyclictest167950irq/16-i91521:08:151
28618993331,1cyclictest167950irq/16-i91521:03:181
28618993331,1cyclictest167950irq/16-i91519:42:171
28618993331,1cyclictest167950irq/16-i91500:25:351
28618993331,1cyclictest167950irq/16-i91500:13:491
28616993333,0cyclictest245950irq/16-enp2s0f021:06:200
28616993332,0cyclictest245950irq/16-enp2s0f023:47:200
28616993332,0cyclictest245950irq/16-enp2s0f023:32:150
28616993332,0cyclictest245950irq/16-enp2s0f023:22:220
28616993332,0cyclictest245950irq/16-enp2s0f023:07:190
28616993332,0cyclictest245950irq/16-enp2s0f023:07:040
28616993332,0cyclictest245950irq/16-enp2s0f022:54:210
28616993332,0cyclictest245950irq/16-enp2s0f022:47:170
28616993332,0cyclictest245950irq/16-enp2s0f022:42:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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