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2022-07-02 - 09:38

x86 Intel Pentium Dual-Core T4500 @2300 MHz, Linux 4.9.47-rt37 (Profile)

Latency plot of system in rack #6, slot #7
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 alll highest latencies:
System rack6slot7.osadl.org (updated Sat Jul 02, 2022 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1285997157,13cyclictest20124-21diskmemload00:34:530
1285997058,10cyclictest20124-21diskmemload00:02:550
1285996857,10cyclictest29468-21ssh00:07:520
1285996657,8cyclictest0-21swapper/020:31:520
128599663,61cyclictest20124-21diskmemload23:24:550
128599663,61cyclictest1315-21NetworkManager00:22:560
1290996560,4cyclictest20117-21crond21:15:521
1290996560,4cyclictest0-21swapper/121:54:531
1290996558,6cyclictest326-21kworker/u4:300:16:531
1285996559,4cyclictest23392-21ssh22:40:520
1285996559,4cyclictest1305-21dbus-daemon22:26:550
1285996559,4cyclictest0-21swapper/000:10:530
1285996556,8cyclictest0-21swapper/023:52:520
1285996556,8cyclictest0-21swapper/021:06:530
1285996556,8cyclictest0-21swapper/019:45:530
1285996556,8cyclictest0-21swapper/019:26:510
1290996460,3cyclictest0-21swapper/120:07:531
1285996458,4cyclictest11786-21ssh21:45:550
1285996458,4cyclictest0-21swapper/023:44:530
1285996455,8cyclictest3089-21kworker/u4:119:36:550
1285996455,8cyclictest0-21swapper/019:30:540
128599643,60cyclictest0-21swapper/023:16:550
1290996359,3cyclictest0-21swapper/119:54:551
1290996359,3cyclictest0-21swapper/100:31:521
1290996351,11cyclictest0-21swapper/123:14:531
1285996358,4cyclictest1315-21NetworkManager19:24:540
1285996358,4cyclictest1315-21NetworkManager19:17:540
1285996357,5cyclictest0-21swapper/021:35:530
1290996260,1cyclictest25615-21kworker/u4:123:30:521
1290996260,1cyclictest17151-21kworker/u4:100:37:521
1290996260,1cyclictest13356-21kworker/u4:020:59:531
1290996258,3cyclictest0-21swapper/122:31:521
1290996258,3cyclictest0-21swapper/120:25:541
1290996258,3cyclictest0-21swapper/120:01:541
1290996258,3cyclictest0-21swapper/119:55:541
1290996258,3cyclictest0-21swapper/119:18:531
1290996258,3cyclictest0-21swapper/100:22:551
1290996257,4cyclictest0-21swapper/123:18:521
1290996257,4cyclictest0-21swapper/122:19:541
1290996257,4cyclictest0-21swapper/100:13:531
1290996256,5cyclictest0-21swapper/121:00:541
1290996250,11cyclictest0-21swapper/119:35:541
1285996260,1cyclictest17414-21kworker/u4:122:35:540
1285996250,11cyclictest1305-21dbus-daemon20:38:550
1290996159,1cyclictest5132-21kworker/u4:220:48:541
1290996157,3cyclictest0-21swapper/123:56:521
1290996157,3cyclictest0-21swapper/123:52:531
1290996157,3cyclictest0-21swapper/123:34:541
1290996157,3cyclictest0-21swapper/122:58:541
1290996157,3cyclictest0-21swapper/122:55:521
1290996157,3cyclictest0-21swapper/122:47:541
1290996157,3cyclictest0-21swapper/122:12:541
1290996157,3cyclictest0-21swapper/120:51:531
1290996157,3cyclictest0-21swapper/119:40:521
1290996157,3cyclictest0-21swapper/100:00:531
1290996156,4cyclictest20266-21ssh21:15:541
1290996156,4cyclictest0-21swapper/122:09:551
1290996156,4cyclictest0-21swapper/120:19:531
1290996155,5cyclictest0-21swapper/120:43:541
1285996157,3cyclictest0-21swapper/022:22:530
1285996157,3cyclictest0-21swapper/021:19:530
1285996157,3cyclictest0-21swapper/020:24:530
1285996156,4cyclictest0-21swapper/022:17:530
1285996156,4cyclictest0-21swapper/000:39:550
1285996152,8cyclictest0-21swapper/020:01:540
1290996056,3cyclictest0-21swapper/121:27:531
1290996056,3cyclictest0-21swapper/121:08:531
1290996056,3cyclictest0-21swapper/120:36:531
1290996056,3cyclictest0-21swapper/120:34:531
1290996056,3cyclictest0-21swapper/120:22:541
1290996056,3cyclictest0-21swapper/120:10:531
1290996056,3cyclictest0-21swapper/119:48:541
1290996056,3cyclictest0-21swapper/119:25:521
1290996056,3cyclictest0-21swapper/100:28:541
1290996055,4cyclictest0-21swapper/123:24:521
1290996055,4cyclictest0-21swapper/121:24:531
1290996055,4cyclictest0-21swapper/119:23:531
1285996056,3cyclictest0-21swapper/023:34:530
1285996056,3cyclictest0-21swapper/023:10:530
1285996056,3cyclictest0-21swapper/023:09:540
1285996056,3cyclictest0-21swapper/022:48:540
1285996056,3cyclictest0-21swapper/020:48:530
1285996056,3cyclictest0-21swapper/020:13:550
1285996056,3cyclictest0-21swapper/020:05:550
1285996056,3cyclictest0-21swapper/019:50:540
1285996056,3cyclictest0-21swapper/019:44:540
1285996055,4cyclictest0-21swapper/021:25:550
1285996055,4cyclictest0-21swapper/021:12:540
1285996055,4cyclictest0-21swapper/020:56:530
1290995957,1cyclictest29975-21kworker/u4:200:09:561
1290995955,3cyclictest0-21swapper/122:37:551
1290995955,3cyclictest0-21swapper/121:45:541
1290995955,3cyclictest0-21swapper/119:30:521
1290995954,4cyclictest0-21swapper/100:42:551
1290995952,5cyclictest1591-21snmpd21:31:551
1285995955,3cyclictest0-21swapper/023:38:520
1285995955,3cyclictest0-21swapper/022:13:550
1285995955,3cyclictest0-21swapper/021:40:530
1285995955,3cyclictest0-21swapper/021:22:540
1285995955,3cyclictest0-21swapper/020:17:520
1285995955,3cyclictest0-21swapper/019:55:550
1290995854,3cyclictest0-21swapper/123:49:521
1290995854,3cyclictest0-21swapper/123:43:551
1290995854,3cyclictest0-21swapper/123:06:541
1285995755,1cyclictest5132-21kworker/u4:220:54:530
1285995755,1cyclictest326-21kworker/u4:300:26:530
1285995755,1cyclictest11427-21kworker/u4:022:34:530
1290995654,1cyclictest30091-21kworker/u4:023:39:541
1290995654,1cyclictest2224-21kworker/u4:222:24:531
1290995654,1cyclictest19700-21kworker/u4:122:01:531
1290995654,1cyclictest19700-21kworker/u4:121:56:551
1290995654,1cyclictest1735-21kworker/u4:021:40:531
1285995654,1cyclictest1988-21kworker/u4:223:45:530
1285995654,1cyclictest13356-21kworker/u4:021:00:540
1290995553,1cyclictest20023-21kworker/u4:221:37:531
1285995551,3cyclictest1749-21runrttasks22:05:530
1285995551,3cyclictest0-21swapper/021:51:530
1285995551,3cyclictest0-21swapper/021:30:540
1285995551,3cyclictest0-21swapper/000:15:550
1285995450,3cyclictest29144-21ssh23:26:540
1285995450,3cyclictest0-21swapper/023:01:550
1285995450,3cyclictest0-21swapper/020:25:520
1285995449,4cyclictest0-21swapper/000:43:550
1285995348,4cyclictest0-21swapper/021:56:550
1285995348,4cyclictest0-21swapper/020:43:530
1285995147,3cyclictest0-21swapper/023:56:520
1290995046,3cyclictest0-21swapper/122:44:521
1285994541,3cyclictest0-21swapper/022:54:530
1285994135,4cyclictest27516-21idleruntime-cro22:05:530
1290994035,4cyclictest1749-21runrttasks23:00:551
1285994036,3cyclictest0-21swapper/022:56:540
1290993938,1cyclictest2224-21kworker/u4:222:28:521
80023216,3sleep00-21swapper/019:12:090
89022715,9sleep10-21swapper/119:13:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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