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2024-07-27 - 03:57
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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 100 highest latencies:
System rack1slot3.osadl.org (updated Sat Jul 27, 2024 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31736499456456,0cyclictest0-21swapper/319:19:553
317364991311,1cyclictest0-21swapper/319:25:133
31736499130,10cyclictest0-21swapper/319:20:143
31736499128,1cyclictest0-21swapper/323:00:123
31736499120,11cyclictest0-21swapper/321:50:023
31736499120,11cyclictest0-21swapper/321:15:113
31736499120,11cyclictest0-21swapper/320:20:113
31736499120,11cyclictest0-21swapper/319:55:123
31736499120,11cyclictest0-21swapper/300:30:113
31736499119,0cyclictest0-21swapper/319:45:103
317364991111,0cyclictest0-21swapper/322:45:113
31736499110,11cyclictest0-21swapper/319:35:113
31736499110,10cyclictest0-21swapper/323:30:133
31736499110,0cyclictest0-21swapper/323:40:093
31736499110,0cyclictest0-21swapper/322:35:143
31736499110,0cyclictest0-21swapper/322:05:263
31736499110,0cyclictest0-21swapper/320:50:113
31736499110,0cyclictest0-21swapper/320:40:133
317364991010,0cyclictest0-21swapper/323:55:223
317364991010,0cyclictest0-21swapper/322:20:193
317364991010,0cyclictest0-21swapper/322:00:103
317364991010,0cyclictest0-21swapper/321:25:423
317364991010,0cyclictest0-21swapper/300:15:113
31736499100,10cyclictest0-21swapper/319:10:203
31736499100,0cyclictest0-21swapper/322:50:173
31736499100,0cyclictest0-21swapper/321:40:173
31736499100,0cyclictest0-21swapper/320:55:213
3173649999,0cyclictest0-21swapper/323:50:013
3173649999,0cyclictest0-21swapper/320:15:013
3173649999,0cyclictest0-21swapper/300:05:183
3173649990,9cyclictest0-21swapper/323:15:123
3173649988,0cyclictest0-21swapper/321:30:293
3173649988,0cyclictest0-21swapper/321:05:023
3173649988,0cyclictest0-21swapper/300:30:003
3173649987,1cyclictest0-21swapper/321:10:103
3173649980,8cyclictest0-21swapper/320:20:003
3173649980,0cyclictest0-21swapper/321:25:013
24942239870,3rtkit-daemon302478-21munin-node19:05:202
3173649966,0cyclictest0-21swapper/323:11:043
3173649966,0cyclictest0-21swapper/322:16:103
3173649966,0cyclictest0-21swapper/322:16:093
3173649960,6cyclictest0-21swapper/322:30:203
3173649960,6cyclictest0-21swapper/300:20:193
317167260,3sleep30-21swapper/319:09:563
3173649955,0cyclictest0-21swapper/323:55:013
3173649955,0cyclictest0-21swapper/320:37:193
3173649955,0cyclictest0-21swapper/320:32:573
3173649955,0cyclictest0-21swapper/320:26:203
3173649955,0cyclictest0-21swapper/300:35:113
3173649955,0cyclictest0-21swapper/300:13:113
316555251,2sleep10-21swapper/119:05:211
24942239850,2rtkit-daemon717-21lldpd21:33:552
435830242,1sleep1435895-21pmu-power23:50:171
374600240,0sleep1374610-21latency_hist21:30:011
3173649944,0cyclictest0-21swapper/323:25:093
3173649944,0cyclictest0-21swapper/323:05:113
3173649944,0cyclictest0-21swapper/322:29:373
3173649944,0cyclictest0-21swapper/322:15:023
3173649944,0cyclictest0-21swapper/320:05:133
3173649942,1cyclictest0-21swapper/319:40:333
3173649940,4cyclictest0-21swapper/321:35:113
3173649940,3cyclictest3560582sleep320:45:123
3173649940,2cyclictest0-21swapper/319:50:123
3173649940,2cyclictest0-21swapper/319:30:103
3173649940,2cyclictest0-21swapper/300:00:123
3173649940,1cyclictest0-21swapper/321:56:343
24942239840,3rtkit-daemon490-21rpcbind21:39:402
24942239840,3rtkit-daemon28-21ksoftirqd/122:38:481
24942239840,2rtkit-daemon717-21lldpd22:07:562
24942239840,2rtkit-daemon717-21lldpd22:04:272
24942239840,2rtkit-daemon717-21lldpd21:24:582
24942239840,2rtkit-daemon717-21lldpd00:20:292
24942239840,2rtkit-daemon375-21systemd-udevd23:27:292
24942239840,2rtkit-daemon375-21systemd-udevd20:59:302
24942239840,2rtkit-daemon2494222-21sendmail-mta23:19:582
24942239840,2rtkit-daemon1-21systemd22:10:102
24942239840,1rtkit-daemon717-21lldpd21:28:562
24942239840,1rtkit-daemon375-21systemd-udevd00:05:302
24942239840,1rtkit-daemon2489622-21systemd-journal19:47:322
24942239840,1rtkit-daemon2489622-21systemd-journal00:26:192
417564230,1sleep1417590-21apt-get23:10:101
402464230,1sleep2402490-21apt-get22:35:142
383075230,2sleep00-21swapper/021:50:010
348212230,1sleep2348238-21apt-get20:25:112
326978231,1sleep1327054-21latency19:30:141
3173649933,0cyclictest0-21swapper/323:35:103
3173649932,1cyclictest3827192sleep321:46:543
3173649931,1cyclictest0-21swapper/320:00:113
3173649930,2cyclictest0-21swapper/323:20:133
3173649930,2cyclictest0-21swapper/322:55:133
3173649930,2cyclictest0-21swapper/322:40:103
3173649930,2cyclictest0-21swapper/321:00:123
317097231,1sleep00-21swapper/019:09:000
24942239830,2rtkit-daemon617-21gmain20:35:012
24942239830,2rtkit-daemon3191333-21snmpd22:55:022
24942239830,2rtkit-daemon2494222-21sendmail-mta00:15:182
24942239830,1rtkit-daemon717-21lldpd21:56:582
24942239830,1rtkit-daemon717-21lldpd20:13:262
24942239830,1rtkit-daemon717-21lldpd20:08:522
24942239830,1rtkit-daemon717-21lldpd19:28:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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