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2025-06-23 - 20:58
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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 Jun 23, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
173332660,1sleep00-21swapper/007:15:210
26982640,0sleep00-21swapper/010:05:250
136982468,8sleep00-21swapper/007:03:040
1346424511,8sleep10-21swapper/107:00:391
13958993534,0cyclictest245950irq/16-enp2s0f009:58:560
13958993534,0cyclictest167950irq/16-i91511:29:350
13958993533,1cyclictest245950irq/16-enp2s0f008:20:280
13958993533,1cyclictest245950irq/16-enp2s0f007:20:220
13959993433,0cyclictest167950irq/16-i91507:24:271
13959993432,1cyclictest185550irq/16-nvkm09:00:231
13959993432,1cyclictest167950irq/16-i91507:19:151
13958993434,0cyclictest245950irq/16-enp2s0f011:55:250
13958993434,0cyclictest245950irq/16-enp2s0f010:02:050
13958993433,0cyclictest245950irq/16-enp2s0f012:20:140
13958993433,0cyclictest245950irq/16-enp2s0f009:31:310
13958993433,0cyclictest245950irq/16-enp2s0f008:17:040
13958993433,0cyclictest245950irq/16-enp2s0f008:02:150
13958993433,0cyclictest245950irq/16-enp2s0f007:10:220
13958993433,0cyclictest167950irq/16-i91508:58:230
13958993432,1cyclictest245950irq/16-enp2s0f010:50:300
13958993432,1cyclictest245950irq/16-enp2s0f010:20:260
13958993432,1cyclictest245950irq/16-enp2s0f009:20:250
13958993432,1cyclictest245950irq/16-enp2s0f008:25:300
13958993432,1cyclictest167950irq/16-i91510:43:090
13959993333,0cyclictest167950irq/16-i91507:35:571
13959993332,0cyclictest245950irq/16-enp2s0f009:55:241
13959993332,0cyclictest245950irq/16-enp2s0f007:45:281
13959993332,0cyclictest167950irq/16-i91512:26:081
13959993332,0cyclictest167950irq/16-i91512:20:341
13959993332,0cyclictest167950irq/16-i91512:10:211
13959993332,0cyclictest167950irq/16-i91511:30:221
13959993332,0cyclictest167950irq/16-i91511:14:201
13959993332,0cyclictest167950irq/16-i91511:00:291
13959993332,0cyclictest167950irq/16-i91510:00:081
13959993332,0cyclictest167950irq/16-i91509:48:491
13959993332,0cyclictest167950irq/16-i91509:33:371
13959993332,0cyclictest167950irq/16-i91509:28:251
13959993332,0cyclictest167950irq/16-i91509:21:011
13959993332,0cyclictest167950irq/16-i91509:14:151
13959993332,0cyclictest167950irq/16-i91509:06:241
13959993332,0cyclictest167950irq/16-i91508:32:151
13959993332,0cyclictest167950irq/16-i91508:25:071
13959993332,0cyclictest167950irq/16-i91507:55:261
13959993332,0cyclictest167950irq/16-i91507:28:381
13959993331,1cyclictest81250irq/19-ahci[00008:45:241
13959993331,1cyclictest167950irq/16-i91511:51:141
13959993331,1cyclictest167950irq/16-i91511:46:201
13959993331,1cyclictest167950irq/16-i91510:16:161
13959993331,1cyclictest167950irq/16-i91509:50:321
13959993331,1cyclictest167950irq/16-i91508:51:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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