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2024-07-27 - 07:13
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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 rackcslot8.osadl.org (updated Sat Jul 27, 2024 00:49:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22660992058,1cyclictest151rcu_preempt00:06:3110
22660992058,1cyclictest151rcu_preempt00:06:3110
2279912010,185ptp4l0-21swapper/119:05:181
225229919128,141cyclictest0-21swapper/221:10:5012
225499918912,89cyclictest0-21swapper/521:40:1727
226999918510,126cyclictest0-21swapper/2321:34:2416
225229917826,151cyclictest0-21swapper/219:10:2112
225229917826,151cyclictest0-21swapper/219:10:2112
225229917525,109cyclictest0-21swapper/222:52:0412
225229916520,106cyclictest0-21swapper/223:05:1412
225229916226,91cyclictest0-21swapper/220:30:1312
225499915812,90cyclictest0-21swapper/523:06:1927
227569915552,21cyclictest0-21swapper/3019:30:1924
227569915552,21cyclictest0-21swapper/3019:30:1924
22699991555,106cyclictest0-21swapper/2323:20:3116
22699991555,106cyclictest0-21swapper/2323:20:3116
22522991550,114cyclictest0-21swapper/200:39:1512
22522991550,114cyclictest0-21swapper/200:39:1512
226999915410,102cyclictest0-21swapper/2323:38:4116
22540991490,98cyclictest18287-21hddtemp_smartct00:10:1726
22540991490,98cyclictest18287-21hddtemp_smartct00:10:1726
22522991480,89cyclictest0-21swapper/220:07:4712
226999914510,87cyclictest0-21swapper/2320:39:3216
22522991450,85cyclictest0-21swapper/200:32:5112
22522991450,85cyclictest0-21swapper/200:32:5112
226999914410,78cyclictest0-21swapper/2300:02:1216
226999914410,78cyclictest0-21swapper/2300:02:1216
22522991440,84cyclictest0-21swapper/222:22:2712
22522991431,84cyclictest0-21swapper/222:05:2112
22522991431,81cyclictest0-21swapper/221:40:1412
22540991420,86cyclictest0-21swapper/422:15:2126
225229914172,53cyclictest0-21swapper/221:10:0012
226009914067,55cyclictest151290irq/77-enp6s022:52:313
22522991400,86cyclictest0-21swapper/200:20:0112
22522991400,86cyclictest0-21swapper/200:20:0112
22522991400,84cyclictest0-21swapper/221:15:3712
22522991400,83cyclictest0-21swapper/222:15:1512
22716991390,82cyclictest0-21swapper/2521:02:0818
225409913927,65cyclictest0-21swapper/422:25:2926
225409913926,67cyclictest0-21swapper/420:05:0026
225409913926,67cyclictest0-21swapper/420:05:0026
22522991391,85cyclictest0-21swapper/223:53:1812
22522991391,85cyclictest0-21swapper/223:53:1812
227169913844,66cyclictest0-21swapper/2521:57:2718
226999913847,65cyclictest0-21swapper/2323:06:3716
226009913847,58cyclictest0-21swapper/1123:11:193
225409913816,72cyclictest0-21swapper/400:15:0426
225409913816,72cyclictest0-21swapper/400:15:0426
225229913828,75cyclictest0-21swapper/223:36:5912
22522991380,83cyclictest0-21swapper/219:25:0212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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