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2025-06-17 - 01:46
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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 rack3slot3.osadl.org (updated Tue Jun 17, 2025 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122501160irq/42-ahci0-21swapper/119:09:591
122501160irq/42-ahci0-21swapper/119:09:591
11161210895sleep80-21swapper/819:06:2610
11161210895sleep80-21swapper/819:06:2510
29634501070irq/53-eth0-rx-0-21swapper/719:09:349
29634501070irq/53-eth0-rx-0-21swapper/719:09:339
11391210494sleep30-21swapper/319:08:465
11391210494sleep30-21swapper/319:08:455
2963450940irq/53-eth0-rx-0-21swapper/419:06:576
2963450940irq/53-eth0-rx-0-21swapper/419:06:566
12250940irq/42-ahci0-21swapper/219:08:224
12250940irq/42-ahci0-21swapper/219:08:214
2963450910irq/53-eth0-rx-0-21swapper/519:05:127
2963450910irq/53-eth0-rx-0-21swapper/519:05:127
2963450740irq/53-eth0-rx-0-21swapper/919:05:2711
2963450740irq/53-eth0-rx-0-21swapper/919:05:2611
1127027263sleep110-21swapper/1119:07:533
1127027263sleep110-21swapper/1119:07:533
1124626653sleep00-21swapper/019:07:310
1124626653sleep00-21swapper/019:07:300
1118926556sleep60-21swapper/619:06:478
1118926556sleep60-21swapper/619:06:478
917525849sleep100-21swapper/1019:05:162
917525849sleep100-21swapper/1019:05:152
11596994227cyclictest68192chrt21:12:430
1162399383cyclictest0-21swapper/920:47:5811
11622993834cyclictest0-21swapper/823:41:3110
1162299373cyclictest0-21swapper/819:39:5010
1162299363cyclictest0-21swapper/822:22:3410
1162299362cyclictest0-21swapper/820:24:3610
11596993621cyclictest4571-1kworker/0:1H22:27:280
11596993621cyclictest4571-1kworker/0:1H22:27:270
1162599351cyclictest0-21swapper/1123:05:423
1162599351cyclictest0-21swapper/1122:28:053
1162599351cyclictest0-21swapper/1122:28:043
1162599351cyclictest0-21swapper/1119:24:283
1162599351cyclictest0-21swapper/1119:24:273
1162499350cyclictest0-21swapper/1019:22:562
1162499350cyclictest0-21swapper/1019:22:562
1162299353cyclictest0-21swapper/822:29:0410
1162299353cyclictest0-21swapper/822:29:0310
1162299352cyclictest0-21swapper/821:17:2610
1162299352cyclictest0-21swapper/820:40:5010
1162299351cyclictest0-21swapper/821:11:0210
1162599341cyclictest0-21swapper/1120:46:283
1162399341cyclictest0-21swapper/922:54:5111
1162299341cyclictest0-21swapper/821:26:0210
1162299341cyclictest0-21swapper/821:07:1110
1162299341cyclictest0-21swapper/820:18:2910
1162299341cyclictest0-21swapper/800:01:0810
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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