You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-03-27 - 03:49

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 all highest latencies:
System rack6slot7.osadl.org (updated Mon Mar 27, 2023 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20819997555,18cyclictest4671-21munin-node23:46:031
282582740,0sleep00-21swapper/023:36:010
2081999672,63cyclictest14670-21munin-node23:21:021
20819996560,4cyclictest0-21swapper/119:39:061
20819996559,5cyclictest1353-21NetworkManager19:13:071
2081999652,62cyclictest0-21swapper/119:43:051
20818996560,4cyclictest5662-21ssh21:12:060
20818996560,4cyclictest0-21swapper/022:19:030
20819996460,3cyclictest29027-21ssh22:59:021
20819996460,3cyclictest10992-21ssh21:19:041
20819996459,4cyclictest1343-21dbus-daemon00:11:051
20819996459,4cyclictest0-21swapper/120:27:061
20819996458,4cyclictest27298-21diskmemload21:27:061
20819996458,4cyclictest0-21swapper/123:30:021
20819996452,11cyclictest0-21swapper/123:56:021
2081999643,60cyclictest0-21swapper/120:43:031
20818996459,4cyclictest0-21swapper/022:30:050
2081899642,61cyclictest0-21swapper/020:17:050
20819996361,1cyclictest3065-21kworker/u4:200:30:011
20819996361,1cyclictest26652-21kworker/u4:223:40:021
20819996361,1cyclictest24874-21kworker/u4:123:07:031
20819996361,1cyclictest15325-21kworker/u4:000:08:041
20819996361,1cyclictest11948-21kworker/u4:022:04:021
20819996359,3cyclictest0-21swapper/120:23:041
20819996354,8cyclictest0-21swapper/121:11:051
20819996354,8cyclictest0-21swapper/120:04:051
20818996359,3cyclictest9322-21ssh23:14:050
20818996359,3cyclictest0-21swapper/020:59:030
20818996359,3cyclictest0-21swapper/020:52:040
20818996359,3cyclictest0-21swapper/020:38:060
20818996359,3cyclictest0-21swapper/019:50:040
20818996359,3cyclictest0-21swapper/019:04:050
20818996358,4cyclictest4297-21runrttasks19:57:060
20818996358,4cyclictest0-21swapper/020:35:050
20818996358,4cyclictest0-21swapper/019:27:050
20818996357,5cyclictest0-21swapper/020:11:050
20818996341,21cyclictest0-21swapper/022:10:050
2081899633,59cyclictest0-21swapper/019:43:040
2081899632,60cyclictest0-21swapper/019:38:050
20819996258,3cyclictest0-21swapper/121:48:021
20818996258,3cyclictest0-21swapper/022:21:040
20818996258,3cyclictest0-21swapper/020:48:040
20818996258,3cyclictest0-21swapper/020:43:030
20818996258,3cyclictest0-21swapper/020:10:050
20818996258,3cyclictest0-21swapper/019:55:040
20818996258,3cyclictest0-21swapper/019:33:050
20818996258,3cyclictest0-21swapper/019:20:040
20818996258,3cyclictest0-21swapper/019:11:060
20818996258,3cyclictest0-21swapper/000:10:020
20818996258,3cyclictest0-21swapper/000:04:050
20818996257,4cyclictest0-21swapper/022:53:040
20818996257,4cyclictest0-21swapper/021:49:040
20818996257,4cyclictest0-21swapper/000:20:020
250002610,0sleep10-21swapper/123:32:071
20819996157,3cyclictest0-21swapper/120:49:031
20819996157,3cyclictest0-21swapper/100:23:011
20819996155,5cyclictest0-21swapper/120:39:031
20818996157,3cyclictest0-21swapper/023:42:050
20818996157,3cyclictest0-21swapper/023:27:030
20818996157,3cyclictest0-21swapper/023:09:050
20818996157,3cyclictest0-21swapper/022:38:020
20818996157,3cyclictest0-21swapper/022:33:050
20818996157,3cyclictest0-21swapper/021:07:040
20818996157,3cyclictest0-21swapper/020:23:050
20818996157,3cyclictest0-21swapper/019:08:040
20818996155,5cyclictest0-21swapper/019:22:050
20819996056,3cyclictest0-21swapper/122:24:061
20819996056,3cyclictest0-21swapper/121:25:051
20819996055,4cyclictest0-21swapper/123:15:051
20818996057,2cyclictest0-21swapper/022:14:040
20818996056,3cyclictest0-21swapper/022:57:020
20818996056,3cyclictest0-21swapper/021:22:040
20818996056,3cyclictest0-21swapper/020:28:030
20818996056,3cyclictest0-21swapper/020:01:030
20818996056,3cyclictest0-21swapper/000:26:020
20818996055,4cyclictest15754-21ssh23:21:020
20818996055,4cyclictest0-21swapper/022:43:040
20819995955,3cyclictest0-21swapper/121:44:031
20819995955,3cyclictest0-21swapper/119:33:061
20819995955,3cyclictest0-21swapper/119:19:061
20819995955,3cyclictest0-21swapper/100:17:041
20818995956,2cyclictest2452-21kworker/u4:321:16:060
20818995955,3cyclictest0-21swapper/023:46:040
20819995854,3cyclictest0-21swapper/123:16:021
20819995854,3cyclictest0-21swapper/122:51:041
20819995854,3cyclictest0-21swapper/122:37:031
20819995854,3cyclictest0-21swapper/120:12:051
20819995854,3cyclictest0-21swapper/119:47:031
20819995852,4cyclictest1788-21runrttasks22:12:031
20818995854,3cyclictest27298-21diskmemload21:03:060
20819995755,1cyclictest31002-21kworker/u4:023:52:041
20819995755,1cyclictest2735-21kworker/u4:222:17:031
20819995755,1cyclictest19997-21kworker/u4:119:05:041
20819995751,5cyclictest32187-21gltestperf23:41:041
20818995755,1cyclictest30655-21kworker/u4:021:44:050
20818995755,1cyclictest21596-21kworker/u4:121:34:050
20818995755,1cyclictest15325-21kworker/u4:000:21:020
20818995755,1cyclictest12402-21kworker/u4:023:31:050
20818995755,1cyclictest10594-21kworker/u4:223:56:040
20818995754,2cyclictest29615-21kworker/u4:223:04:050
20819995654,1cyclictest7499-21kworker/u4:122:00:041
20819995654,1cyclictest14010-21kworker/u4:220:32:031
20819995651,3cyclictest0-21swapper/123:04:041
20819995650,4cyclictest1353-21NetworkManager21:38:061
20818995654,1cyclictest7353-21kworker/u4:021:26:030
20818995654,1cyclictest2735-21kworker/u4:221:55:050
20818995654,1cyclictest19727-21kworker/u4:200:11:030
20818995654,1cyclictest11948-21kworker/u4:022:02:050
20819995554,1cyclictest25512-21kworker/u4:119:29:061
20819995551,3cyclictest0-21swapper/120:10:041
2081999553,51cyclictest0-21swapper/122:41:041
20819995451,2cyclictest27535-21kworker/u4:021:04:021
20819995436,16cyclictest18986-21munin-node22:46:041
20819995349,3cyclictest0-21swapper/122:06:041
20819995349,3cyclictest0-21swapper/120:53:041
20819995349,3cyclictest0-21swapper/119:21:041
20819995348,4cyclictest0-21swapper/122:26:041
20819995248,3cyclictest0-21swapper/122:35:051
20819995248,3cyclictest0-21swapper/121:33:051
20819995248,3cyclictest0-21swapper/119:06:031
20818995147,3cyclictest0-21swapper/023:52:020
20818995047,2cyclictest0-21swapper/021:39:060
20818994844,3cyclictest0-21swapper/022:46:020
20819994038,1cyclictest2735-21kworker/u4:221:53:051
20819993934,4cyclictest0-21swapper/100:01:021
20819993836,1cyclictest6072-21kworker/u4:120:18:061
20819993529,4cyclictest1353-21NetworkManager21:07:061
20818993531,3cyclictest0-21swapper/021:58:020
20819993429,4cyclictest0-21swapper/119:56:051
20819993329,3cyclictest0-21swapper/120:56:051
20819993228,3cyclictest0-21swapper/119:51:051
2038923215,3sleep10-21swapper/118:57:511
20818992823,4cyclictest0-21swapper/023:16:040
2021322215,3sleep00-21swapper/018:55:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional