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2025-11-22 - 12:25
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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 Sat Nov 22, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
322772468,8sleep00-21swapper/018:57:150
10082389,21sleep10-21swapper/119:01:011
1184993631,1cyclictest167950irq/16-i91522:08:440
1184993533,1cyclictest245950irq/16-enp2s0f023:33:350
1185993433,0cyclictest167950irq/16-i91500:20:421
1185993432,1cyclictest245950irq/16-enp2s0f022:47:291
1185993432,1cyclictest167950irq/16-i91522:35:351
1185993432,1cyclictest167950irq/16-i91521:07:011
1185993432,1cyclictest167950irq/16-i91520:47:271
1185993432,1cyclictest167950irq/16-i91519:43:351
1185993432,1cyclictest167950irq/16-i91500:02:231
1184993433,0cyclictest245950irq/16-enp2s0f019:18:050
1184993432,1cyclictest245950irq/16-enp2s0f023:57:230
1184993432,1cyclictest245950irq/16-enp2s0f022:52:330
1184993432,1cyclictest245950irq/16-enp2s0f022:42:340
1184993432,1cyclictest245950irq/16-enp2s0f022:02:240
1184993432,1cyclictest245950irq/16-enp2s0f021:57:240
1184993432,1cyclictest245950irq/16-enp2s0f021:42:240
1184993432,1cyclictest245950irq/16-enp2s0f000:07:330
1185993332,0cyclictest245950irq/16-enp2s0f023:47:261
1185993332,0cyclictest245950irq/16-enp2s0f023:45:211
1185993332,0cyclictest245950irq/16-enp2s0f023:37:211
1185993332,0cyclictest245950irq/16-enp2s0f022:43:551
1185993332,0cyclictest245950irq/16-enp2s0f020:54:021
1185993332,0cyclictest245950irq/16-enp2s0f019:52:561
1185993332,0cyclictest245950irq/16-enp2s0f019:12:131
1185993332,0cyclictest167950irq/16-i91523:35:401
1185993332,0cyclictest167950irq/16-i91523:17:251
1185993332,0cyclictest167950irq/16-i91522:27:471
1185993332,0cyclictest167950irq/16-i91522:07:451
1185993332,0cyclictest167950irq/16-i91522:05:011
1185993332,0cyclictest167950irq/16-i91521:59:021
1185993332,0cyclictest167950irq/16-i91521:52:301
1185993332,0cyclictest167950irq/16-i91521:12:541
1185993332,0cyclictest167950irq/16-i91521:01:141
1185993332,0cyclictest167950irq/16-i91520:29:351
1185993332,0cyclictest167950irq/16-i91520:07:251
1185993332,0cyclictest167950irq/16-i91520:01:311
1185993332,0cyclictest167950irq/16-i91519:50:041
1185993332,0cyclictest167950irq/16-i91519:08:031
1185993332,0cyclictest167950irq/16-i91500:28:331
1185993332,0cyclictest167950irq/16-i91500:22:261
1185993332,0cyclictest167950irq/16-i91500:07:311
1185993331,1cyclictest245950irq/16-enp2s0f020:14:241
1185993331,1cyclictest167950irq/16-i91523:07:231
1185993331,1cyclictest167950irq/16-i91520:37:351
1185993331,1cyclictest167950irq/16-i91520:33:351
1185993331,1cyclictest167950irq/16-i91519:37:221
1185993331,1cyclictest167950irq/16-i91519:35:151
1185993331,1cyclictest167950irq/16-i91519:27:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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