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2025-10-19 - 23:45
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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 Sun Oct 19, 2025 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16185991818,0cyclictest60250irq/125-lan07:27:362
16185991817,1cyclictest60250irq/125-lan11:10:152
16185991817,1cyclictest60250irq/125-lan10:20:192
16185991817,1cyclictest60250irq/125-lan10:10:222
16185991816,1cyclictest60250irq/125-lan11:25:202
16185991816,1cyclictest60250irq/125-lan07:35:202
16185991716,1cyclictest60250irq/125-lan11:40:182
16185991716,1cyclictest60250irq/125-lan08:25:192
16185991616,0cyclictest60250irq/125-lan11:23:182
16185991616,0cyclictest60250irq/125-lan10:40:172
16185991616,0cyclictest60250irq/125-lan08:55:152
16185991616,0cyclictest60250irq/125-lan08:00:402
16185991615,1cyclictest60250irq/125-lan12:30:172
16185991615,1cyclictest60250irq/125-lan12:15:202
16185991615,1cyclictest60250irq/125-lan11:45:192
16185991615,1cyclictest60250irq/125-lan11:35:192
16185991615,1cyclictest60250irq/125-lan10:00:192
16185991615,1cyclictest60250irq/125-lan09:25:162
16185991615,1cyclictest60250irq/125-lan08:43:122
16185991615,1cyclictest60250irq/125-lan08:10:152
16185991515,0cyclictest60250irq/125-lan12:05:242
16185991515,0cyclictest60250irq/125-lan11:19:412
16185991515,0cyclictest60250irq/125-lan09:45:172
16185991515,0cyclictest60250irq/125-lan09:10:202
16185991515,0cyclictest60250irq/125-lan08:20:212
16185991514,1cyclictest60250irq/125-lan12:10:192
16185991514,1cyclictest60250irq/125-lan10:30:132
16185991514,1cyclictest60250irq/125-lan09:00:142
16185991514,1cyclictest60250irq/125-lan08:30:002
16185991514,1cyclictest60250irq/125-lan08:15:132
16189991414,0cyclictest329-21hwrng10:15:033
16185991414,0cyclictest60250irq/125-lan09:20:192
16185991413,1cyclictest60250irq/125-lan12:00:132
16185991413,1cyclictest60250irq/125-lan11:50:142
16185991413,1cyclictest60250irq/125-lan10:35:132
16185991413,1cyclictest60250irq/125-lan09:40:082
16185991413,1cyclictest60250irq/125-lan09:35:232
16185991413,1cyclictest60250irq/125-lan08:35:152
16185991413,1cyclictest60250irq/125-lan07:45:122
16185991413,1cyclictest60250irq/125-lan07:30:142
16185991313,0cyclictest60250irq/125-lan12:29:562
16185991313,0cyclictest60250irq/125-lan11:55:372
16185991313,0cyclictest60250irq/125-lan11:08:402
16185991313,0cyclictest60250irq/125-lan10:55:132
16185991313,0cyclictest60250irq/125-lan10:09:462
16185991313,0cyclictest60250irq/125-lan09:55:192
16185991313,0cyclictest60250irq/125-lan08:05:152
16185991313,0cyclictest60250irq/125-lan07:54:412
16185991313,0cyclictest60250irq/125-lan07:40:182
16185991313,0cyclictest60250irq/125-lan07:16:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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