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2025-05-02 - 12:42
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack8slot7.osadl.org (updated Fri May 02, 2025 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13895993131,0cyclictest20279-21fwupd23:39:112
13895992018,2cyclictest60250irq/125-lan21:21:012
13895992016,3cyclictest60250irq/125-lan23:53:172
13895992016,3cyclictest60250irq/125-lan21:45:472
13895992016,3cyclictest60250irq/125-lan00:13:412
13895991918,1cyclictest60250irq/125-lan23:56:032
13895991918,1cyclictest60250irq/125-lan23:25:032
13895991918,1cyclictest60250irq/125-lan22:40:132
13895991918,1cyclictest60250irq/125-lan19:55:222
13895991918,1cyclictest60250irq/125-lan00:30:142
13895991917,2cyclictest60250irq/125-lan23:40:182
13895991917,2cyclictest60250irq/125-lan21:54:402
13895991917,2cyclictest60250irq/125-lan00:15:012
13895991916,3cyclictest60250irq/125-lan21:30:202
13895991916,3cyclictest60250irq/125-lan00:21:122
13895991916,2cyclictest60250irq/125-lan21:14:402
13900991818,0cyclictest329-21hwrng21:13:133
13895991818,0cyclictest60250irq/125-lan23:34:502
13895991818,0cyclictest60250irq/125-lan00:05:502
13895991817,1cyclictest60250irq/125-lan23:05:182
13895991817,1cyclictest60250irq/125-lan22:59:142
13895991817,1cyclictest60250irq/125-lan22:10:302
13895991817,1cyclictest60250irq/125-lan22:00:462
13895991817,1cyclictest60250irq/125-lan21:40:152
13895991816,2cyclictest60250irq/125-lan22:45:582
13895991816,2cyclictest60250irq/125-lan22:33:252
13895991816,2cyclictest60250irq/125-lan22:24:542
13895991816,2cyclictest60250irq/125-lan22:16:472
13895991816,2cyclictest60250irq/125-lan21:19:582
13895991815,3cyclictest60250irq/125-lan23:00:152
13895991814,3cyclictest60250irq/125-lan00:25:142
13895991717,0cyclictest60250irq/125-lan23:12:172
13895991717,0cyclictest60250irq/125-lan22:50:212
13895991717,0cyclictest60250irq/125-lan22:37:502
13895991716,1cyclictest60250irq/125-lan23:45:222
13895991716,1cyclictest60250irq/125-lan22:26:172
13895991716,1cyclictest60250irq/125-lan21:55:142
13895991716,1cyclictest60250irq/125-lan21:36:562
13895991716,1cyclictest60250irq/125-lan21:25:182
13895991715,2cyclictest60250irq/125-lan23:17:592
13895991715,2cyclictest60250irq/125-lan20:15:192
13895991714,2cyclictest60250irq/125-lan22:05:372
13895991615,1cyclictest60250irq/125-lan20:40:282
13895991615,1cyclictest60250irq/125-lan20:20:242
13895991615,1cyclictest60250irq/125-lan00:00:592
13895991613,3cyclictest60250irq/125-lan23:20:012
13895991612,3cyclictest60250irq/125-lan00:37:462
13900991515,0cyclictest329-21hwrng19:56:253
13895991514,1cyclictest60250irq/125-lan21:00:162
13895991514,1cyclictest60250irq/125-lan19:50:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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