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2025-04-02 - 08:18
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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 Wed Apr 02, 2025 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8853992120,1cyclictest60250irq/125-lan20:50:192
8853992018,1cyclictest60250irq/125-lan23:47:462
8853992018,1cyclictest60250irq/125-lan21:13:172
8853991918,1cyclictest60250irq/125-lan20:00:212
8853991818,0cyclictest60250irq/125-lan22:01:182
8853991818,0cyclictest60250irq/125-lan21:58:262
8853991818,0cyclictest60250irq/125-lan00:11:102
8853991817,1cyclictest60250irq/125-lan23:30:072
8853991817,1cyclictest60250irq/125-lan23:20:202
8853991817,1cyclictest60250irq/125-lan23:02:532
8853991817,1cyclictest60250irq/125-lan22:57:362
8853991817,1cyclictest60250irq/125-lan22:37:192
8853991817,1cyclictest60250irq/125-lan22:30:032
8853991817,1cyclictest60250irq/125-lan22:14:402
8853991817,1cyclictest60250irq/125-lan21:35:192
8853991817,1cyclictest60250irq/125-lan21:20:182
8853991817,1cyclictest60250irq/125-lan20:20:182
8853991817,1cyclictest60250irq/125-lan20:15:122
8853991817,1cyclictest60250irq/125-lan00:30:132
8853991817,1cyclictest60250irq/125-lan00:20:172
8853991817,1cyclictest60250irq/125-lan00:03:222
8853991816,1cyclictest60250irq/125-lan22:48:222
8853991816,1cyclictest60250irq/125-lan22:26:292
8853991717,0cyclictest60250irq/125-lan23:09:412
8853991717,0cyclictest60250irq/125-lan21:05:162
8853991716,1cyclictest60250irq/125-lan23:59:002
8853991716,1cyclictest60250irq/125-lan23:40:282
8853991716,1cyclictest60250irq/125-lan23:35:152
8853991716,1cyclictest60250irq/125-lan23:29:132
8853991716,1cyclictest60250irq/125-lan23:15:162
8853991716,1cyclictest60250irq/125-lan23:12:092
8853991716,1cyclictest60250irq/125-lan22:42:482
8853991716,1cyclictest60250irq/125-lan22:09:492
8853991716,1cyclictest60250irq/125-lan21:47:092
8853991716,1cyclictest60250irq/125-lan21:40:012
8853991716,1cyclictest60250irq/125-lan21:25:192
8853991716,1cyclictest60250irq/125-lan21:15:172
8853991716,1cyclictest60250irq/125-lan20:40:122
8853991716,1cyclictest60250irq/125-lan19:55:192
8853991716,1cyclictest60250irq/125-lan00:09:552
8853991715,1cyclictest60250irq/125-lan00:29:472
8853991616,0cyclictest60250irq/125-lan22:50:122
8853991616,0cyclictest60250irq/125-lan22:18:292
8853991616,0cyclictest60250irq/125-lan20:30:142
8853991616,0cyclictest60250irq/125-lan00:17:272
8853991615,1cyclictest60250irq/125-lan23:50:302
8853991615,1cyclictest60250irq/125-lan22:20:142
8853991615,1cyclictest60250irq/125-lan21:53:472
8853991615,1cyclictest60250irq/125-lan21:33:282
8853991615,1cyclictest60250irq/125-lan20:55:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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