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2023-05-31 - 18:37

x86 Intel Core i7-975 @3333 MHz, Linux 5.4.17-rt9 (Profile)

Latency plot of system in rack #5, slot #1
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -n -a -t5 -p99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack5slot1.osadl.org (updated Wed May 31, 2023 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15953399510,1EcMasterDemoSyn15959-21runintdemo5min11:38:285
2755139910,1EcMasterDemoSyn27558-21runintdemo5min10:57:551
34952720,1sleep30-21swapper/308:40:193
300792720,1sleep030077-21aten2_r5power_p11:00:170
16702650,0sleep121-21ksoftirqd/112:15:471
68742630,1sleep20-21swapper/211:55:202
113692620,1sleep20-21swapper/207:50:232
300182250,1sleep228-21ksoftirqd/211:24:522
173092210,1sleep50-21swapper/510:24:475
297539190,0EcMasterDemoSyn0-21swapper/509:21:385
3040839180,0EcMasterDemoSyn30417-21grep12:13:582
2234199180,12cyclictest25030-21apt-get09:15:022
207152180,0sleep50-21swapper/509:10:365
537239170,0EcMasterDemoSyn540250irq/17-atemsys07:40:125
2877639170,0EcMasterDemoSyn0-21swapper/509:16:345
279752170,0sleep4411rcuc/411:46:514
2428839170,0EcMasterDemoSyn0-21swapper/510:02:115
2234199171,14cyclictest27200-21python308:20:422
3259399160,8tEcAuxClkTask20484-21systemd-journal07:33:295
321392160,1sleep00-21swapper/010:08:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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