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2025-12-01 - 10:23
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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 Dec 01, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
166552550,0sleep10-21swapper/100:12:001
2115625019,22sleep00-21swapper/018:57:010
2257024019,13sleep10-21swapper/119:01:231
22689993829,8cyclictest245950irq/16-enp2s0f022:37:150
22690993533,1cyclictest167950irq/16-i91521:25:211
22689993534,0cyclictest245950irq/16-enp2s0f021:39:570
22689993534,0cyclictest245950irq/16-enp2s0f021:32:000
22690993434,0cyclictest167950irq/16-i91523:44:401
22690993433,0cyclictest167950irq/16-i91522:07:051
22690993433,0cyclictest167950irq/16-i91520:47:381
22690993432,1cyclictest245950irq/16-enp2s0f020:22:151
22690993432,1cyclictest167950irq/16-i91520:27:151
22689993434,0cyclictest245950irq/16-enp2s0f000:16:300
22689993433,0cyclictest245950irq/16-enp2s0f023:40:180
22689993432,1cyclictest245950irq/16-enp2s0f023:42:130
22689993432,1cyclictest245950irq/16-enp2s0f023:22:130
22689993432,1cyclictest245950irq/16-enp2s0f022:26:330
22689993432,1cyclictest245950irq/16-enp2s0f022:12:150
22689993432,1cyclictest245950irq/16-enp2s0f021:52:130
22689993432,1cyclictest245950irq/16-enp2s0f021:17:150
22689993432,1cyclictest245950irq/16-enp2s0f021:07:190
22689993432,1cyclictest245950irq/16-enp2s0f021:07:190
22689993432,1cyclictest245950irq/16-enp2s0f020:57:220
22689993432,1cyclictest245950irq/16-enp2s0f020:47:140
22689993432,1cyclictest245950irq/16-enp2s0f020:32:170
22689993432,1cyclictest245950irq/16-enp2s0f020:28:270
22689993432,1cyclictest245950irq/16-enp2s0f020:17:140
22689993432,1cyclictest245950irq/16-enp2s0f020:03:540
22689993432,1cyclictest245950irq/16-enp2s0f019:42:180
22689993432,1cyclictest245950irq/16-enp2s0f019:28:250
22689993432,1cyclictest245950irq/16-enp2s0f019:08:130
22689993432,1cyclictest167950irq/16-i91522:45:390
22689993431,1cyclictest245950irq/16-enp2s0f021:02:170
22690993333,0cyclictest167950irq/16-i91523:11:541
22690993332,0cyclictest245950irq/16-enp2s0f023:47:151
22690993332,0cyclictest245950irq/16-enp2s0f021:20:451
22690993332,0cyclictest245950irq/16-enp2s0f019:28:121
22690993332,0cyclictest245950irq/16-enp2s0f019:11:121
22690993332,0cyclictest167950irq/16-i91523:53:241
22690993332,0cyclictest167950irq/16-i91523:37:161
22690993332,0cyclictest167950irq/16-i91522:37:141
22690993332,0cyclictest167950irq/16-i91522:12:101
22690993332,0cyclictest167950irq/16-i91522:02:161
22690993332,0cyclictest167950irq/16-i91521:55:131
22690993332,0cyclictest167950irq/16-i91521:34:481
22690993332,0cyclictest167950irq/16-i91520:32:231
22690993332,0cyclictest167950irq/16-i91520:07:121
22690993332,0cyclictest167950irq/16-i91519:45:311
22690993332,0cyclictest167950irq/16-i91519:36:041
22690993332,0cyclictest167950irq/16-i91500:30:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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