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2022-06-29 - 15:14

x86 Intel Xeon E3-1220L V2 @2300 MHz, Linux 4.4.39-rt50+ (Profile)

Latency plot of system in rack #7, slot #0
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -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 50 highest latencies:
System rack7slot0.osadl.org (updated Wed Jun 29, 2022 12:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110050670,0irq/25-eth00-21swapper/107:07:411
110050670,0irq/25-eth00-21swapper/107:07:401
117950650,0irq/26-eth1-rx-0-21swapper/307:06:573
117950650,0irq/26-eth1-rx-0-21swapper/307:06:563
110050600,0irq/25-eth00-21swapper/207:06:182
110050600,0irq/25-eth00-21swapper/207:06:172
118050490,0irq/27-eth1-tx-0-21swapper/007:07:530
118050490,0irq/27-eth1-tx-0-21swapper/007:07:520
9950270,0irq/24-0000:00:0-21swapper/007:10:000
271180,0ktimersoftd/27578-21unixbench_singl08:55:212
21084991816,0cyclictest430-21sshd11:52:031
2108699170,0cyclictest20076-21bash09:39:003
2108499161,0cyclictest0-21swapper/110:31:311
21086991512,0cyclictest0-21swapper/309:14:163
21084991514,0cyclictest0-21swapper/109:55:381
2108499150,0cyclictest0-21swapper/110:26:041
21083991514,0cyclictest12700-21diskmemload12:03:250
21083991514,0cyclictest0-21swapper/010:27:400
110050150,0irq/25-eth019410-21sshd11:47:013
21086991413,0cyclictest19669-21sshd09:21:143
2108699140,0cyclictest18417-21sshd11:18:273
21085991413,0cyclictest0-21swapper/212:05:012
21084991413,0cyclictest0-21swapper/110:44:391
21084991413,0cyclictest0-21swapper/110:36:241
21084991412,0cyclictest18111-21sshd12:29:401
21084991411,0cyclictest19405-21sshd11:39:571
21083991413,0cyclictest0-21swapper/012:24:330
2108399140,0cyclictest5435-21bash12:38:570
41130,0ktimersoftd/00-21swapper/010:07:140
351130,0ktimersoftd/30-21swapper/310:59:513
21086991312,0cyclictest0-21swapper/310:46:373
21086991312,0cyclictest0-21swapper/310:30:283
21086991312,0cyclictest0-21swapper/309:44:483
2108699130,0cyclictest0-21swapper/309:16:353
21085991312,0cyclictest12378-21bash11:53:252
21085991312,0cyclictest0-21swapper/212:16:112
2108599130,0cyclictest18543-21sshd12:22:332
2108599130,0cyclictest0-21swapper/209:13:012
21084991312,0cyclictest24455-21sshd09:50:101
21084991312,0cyclictest0-21swapper/111:26:211
21084991312,0cyclictest0-21swapper/111:13:481
21084991311,0cyclictest0-21swapper/112:05:161
21083991312,0cyclictest12700-21diskmemload09:54:560
21083991312,0cyclictest0-21swapper/012:15:410
21083991312,0cyclictest0-21swapper/011:48:530
21083991311,0cyclictest0-21swapper/011:17:450
2108399130,0cyclictest0-21swapper/012:12:070
41120,0ktimersoftd/00-21swapper/010:52:120
41120,0ktimersoftd/00-21swapper/010:02:280
271120,0ktimersoftd/229632-21sshd09:36:262
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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