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2025-12-09 - 13:42
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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 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
281702488,8sleep00-21swapper/018:57:460
284342449,8sleep10-21swapper/119:00:261
28631993533,1cyclictest245950irq/16-enp2s0f022:27:090
28632993433,0cyclictest167950irq/16-i91522:47:151
28632993433,0cyclictest167950irq/16-i91521:54:181
28632993432,1cyclictest167950irq/16-i91523:17:051
28632993432,1cyclictest167950irq/16-i91522:21:181
28632993432,1cyclictest167950irq/16-i91520:41:531
28632993432,1cyclictest167950irq/16-i91519:31:181
28632993432,1cyclictest167950irq/16-i91519:12:031
28631993434,0cyclictest245950irq/16-enp2s0f019:12:160
28631993433,0cyclictest245950irq/16-enp2s0f023:02:060
28631993433,0cyclictest245950irq/16-enp2s0f022:15:180
28631993433,0cyclictest245950irq/16-enp2s0f021:41:240
28631993433,0cyclictest245950irq/16-enp2s0f021:17:530
28631993433,0cyclictest245950irq/16-enp2s0f020:38:260
28631993432,1cyclictest245950irq/16-enp2s0f023:27:050
28631993432,1cyclictest245950irq/16-enp2s0f023:22:380
28631993432,1cyclictest245950irq/16-enp2s0f023:12:500
28631993432,1cyclictest245950irq/16-enp2s0f022:32:040
28631993432,1cyclictest245950irq/16-enp2s0f021:47:050
28631993432,1cyclictest245950irq/16-enp2s0f020:31:510
28631993432,1cyclictest245950irq/16-enp2s0f020:22:070
28631993432,1cyclictest245950irq/16-enp2s0f019:54:010
28631993432,1cyclictest245950irq/16-enp2s0f019:27:090
28631993432,1cyclictest245950irq/16-enp2s0f019:23:460
28631993432,1cyclictest245950irq/16-enp2s0f000:07:120
28631993432,1cyclictest245950irq/16-enp2s0f000:02:080
28632993332,1cyclictest167950irq/16-i91523:55:401
28632993332,0cyclictest245950irq/16-enp2s0f023:57:051
28632993332,0cyclictest245950irq/16-enp2s0f022:04:061
28632993332,0cyclictest245950irq/16-enp2s0f021:39:501
28632993332,0cyclictest245950irq/16-enp2s0f021:22:211
28632993332,0cyclictest245950irq/16-enp2s0f020:57:141
28632993332,0cyclictest245950irq/16-enp2s0f020:32:091
28632993332,0cyclictest245950irq/16-enp2s0f000:27:041
28632993332,0cyclictest167950irq/16-i91523:42:091
28632993332,0cyclictest167950irq/16-i91523:32:081
28632993332,0cyclictest167950irq/16-i91523:11:071
28632993332,0cyclictest167950irq/16-i91523:06:251
28632993332,0cyclictest167950irq/16-i91522:57:181
28632993332,0cyclictest167950irq/16-i91522:42:121
28632993332,0cyclictest167950irq/16-i91522:22:041
28632993332,0cyclictest167950irq/16-i91522:12:031
28632993332,0cyclictest167950irq/16-i91521:57:061
28632993332,0cyclictest167950irq/16-i91521:32:021
28632993332,0cyclictest167950irq/16-i91521:11:581
28632993332,0cyclictest167950irq/16-i91521:11:011
28632993332,0cyclictest167950irq/16-i91520:31:511
28632993332,0cyclictest167950irq/16-i91520:16:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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