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2025-12-05 - 06:35
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack8slot7.osadl.org (updated Fri Dec 05, 2025 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15904991918,1cyclictest60250irq/125-lan22:25:212
15904991918,1cyclictest60250irq/125-lan21:30:492
15904991818,0cyclictest60250irq/125-lan20:35:212
15904991817,1cyclictest60250irq/125-lan22:05:192
15904991817,1cyclictest60250irq/125-lan00:35:162
15904991817,1cyclictest60250irq/125-lan00:15:192
15904991817,1cyclictest60250irq/125-lan00:10:232
15904991817,1cyclictest60250irq/125-lan00:00:142
15904991717,0cyclictest60250irq/125-lan23:30:152
15904991717,0cyclictest60250irq/125-lan21:48:272
15904991717,0cyclictest60250irq/125-lan21:24:282
15904991716,1cyclictest60250irq/125-lan22:55:172
15904991716,1cyclictest60250irq/125-lan22:50:222
15904991716,1cyclictest60250irq/125-lan21:35:192
15904991716,1cyclictest60250irq/125-lan21:15:132
15904991716,1cyclictest60250irq/125-lan20:55:132
15904991716,1cyclictest60250irq/125-lan20:15:152
15904991716,1cyclictest60250irq/125-lan19:16:252
15904991616,0cyclictest60250irq/125-lan21:51:272
15904991616,0cyclictest60250irq/125-lan20:40:182
15904991616,0cyclictest60250irq/125-lan19:50:262
15904991615,1cyclictest60250irq/125-lan21:40:002
15904991615,1cyclictest60250irq/125-lan21:00:592
15904991615,1cyclictest60250irq/125-lan20:25:132
15904991615,1cyclictest60250irq/125-lan19:35:142
15904991615,1cyclictest60250irq/125-lan19:20:192
15904991615,1cyclictest60250irq/125-lan00:30:162
15904991615,1cyclictest60250irq/125-lan00:20:132
15904991615,1cyclictest60250irq/125-lan00:05:132
15904991515,0cyclictest60250irq/125-lan23:50:182
15904991515,0cyclictest60250irq/125-lan21:07:302
15904991515,0cyclictest60250irq/125-lan20:20:162
15904991514,1cyclictest60250irq/125-lan23:25:142
15904991514,1cyclictest60250irq/125-lan23:15:192
15904991514,1cyclictest60250irq/125-lan23:00:172
15904991514,1cyclictest60250irq/125-lan22:45:132
15904991514,1cyclictest60250irq/125-lan22:40:182
15904991514,1cyclictest60250irq/125-lan22:12:272
15904991514,1cyclictest60250irq/125-lan19:25:162
15904991414,0cyclictest60250irq/125-lan23:44:292
15904991414,0cyclictest60250irq/125-lan23:20:142
15904991414,0cyclictest60250irq/125-lan20:50:192
15904991413,1cyclictest60250irq/125-lan23:05:232
15904991413,1cyclictest60250irq/125-lan20:05:152
15904991413,1cyclictest60250irq/125-lan19:55:162
15904991413,1cyclictest60250irq/125-lan19:30:122
15904991413,1cyclictest60250irq/125-lan19:10:172
15900991412,2cyclictest702-21snmpd22:58:411
15904991313,0cyclictest60250irq/125-lan21:55:262
15904991313,0cyclictest60250irq/125-lan19:45:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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