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2025-12-10 - 02:17
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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 Dec 09, 2025 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
259622418,8sleep00-21swapper/006:57:120
26478993832,5cyclictest167950irq/16-i91510:34:201
26478993734,2cyclictest167950irq/16-i91511:30:301
26478993732,4cyclictest167950irq/16-i91509:39:121
26478993732,4cyclictest167950irq/16-i91508:27:031
26478993732,4cyclictest167950irq/16-i91508:22:031
26478993633,2cyclictest167950irq/16-i91509:24:101
26478993632,3cyclictest245950irq/16-enp2s0f011:19:501
26478993632,3cyclictest245950irq/16-enp2s0f011:02:021
26478993632,3cyclictest167950irq/16-i91510:22:061
26478993632,3cyclictest167950irq/16-i91510:18:491
26478993631,4cyclictest167950irq/16-i91511:59:361
26478993631,4cyclictest167950irq/16-i91510:57:041
26478993631,4cyclictest167950irq/16-i91510:12:081
26478993631,4cyclictest167950irq/16-i91509:52:021
26478993631,4cyclictest167950irq/16-i91507:46:201
26478993532,2cyclictest245950irq/16-enp2s0f011:46:121
26478993532,2cyclictest245950irq/16-enp2s0f011:07:061
26478993532,2cyclictest245950irq/16-enp2s0f008:32:321
26478993531,3cyclictest245950irq/16-enp2s0f009:59:161
26478993531,3cyclictest245950irq/16-enp2s0f009:17:031
26478993531,3cyclictest167950irq/16-i91511:53:241
26478993531,3cyclictest167950irq/16-i91511:47:021
26478993531,3cyclictest167950irq/16-i91507:27:441
26478993530,4cyclictest245950irq/16-enp2s0f008:44:201
26478993530,4cyclictest167950irq/16-i91508:54:041
26478993530,4cyclictest167950irq/16-i91507:47:041
26478993530,4cyclictest167950irq/16-i91507:23:471
26478993529,5cyclictest167950irq/16-i91511:12:121
26478993529,5cyclictest167950irq/16-i91510:42:101
26478993529,5cyclictest167950irq/16-i91507:37:101
26478993528,6cyclictest167950irq/16-i91507:32:051
26477993534,0cyclictest245950irq/16-enp2s0f012:17:290
26477993534,0cyclictest245950irq/16-enp2s0f009:57:380
26477993534,0cyclictest245950irq/16-enp2s0f007:23:470
26477993531,0cyclictest167950irq/16-i91510:12:260
26478993432,2cyclictest167950irq/16-i91508:39:551
26478993432,1cyclictest167950irq/16-i91511:37:051
26478993432,1cyclictest167950irq/16-i91507:17:051
26478993431,3cyclictest167950irq/16-i91507:03:061
26478993431,2cyclictest167950irq/16-i91512:17:281
26478993431,2cyclictest167950irq/16-i91512:12:081
26478993431,2cyclictest167950irq/16-i91512:11:211
26478993431,2cyclictest167950irq/16-i91511:32:061
26478993431,2cyclictest167950irq/16-i91510:41:061
26478993431,2cyclictest167950irq/16-i91510:28:211
26478993431,2cyclictest167950irq/16-i91510:07:031
26478993431,2cyclictest167950irq/16-i91509:47:071
26478993431,2cyclictest167950irq/16-i91509:42:051
26478993431,2cyclictest167950irq/16-i91509:27:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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