You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-30 - 23:46

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #5, slot #3

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 rack5slot3s.osadl.org (updated Thu Apr 30, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
188022204168,24sleep30-21swapper/307:07:063
189702202166,24sleep20-21swapper/207:09:182
186702202166,24sleep10-21swapper/107:05:241
188662201164,25sleep00-21swapper/007:07:560
2379421420,4sleep31912799cyclictest07:15:253
1703621410,4sleep01910999cyclictest10:40:210
49221380,4sleep01910999cyclictest11:15:240
19121999592,2cyclictest0-21swapper/208:19:372
19121999592,2cyclictest0-21swapper/208:19:372
19121996763,3cyclictest0-21swapper/212:16:042
325962540,4sleep132601-21pmu-power11:15:211
19109994910,12cyclictest13811-21idleruntime-cro08:10:000
273172480,1sleep127316-21egrep08:40:111
1910999486,12cyclictest18673-21basename12:00:010
1910999471,16cyclictest21633-21munin-run09:40:010
19109994710,13cyclictest19438-21munin-run09:35:010
1910999466,12cyclictest32629-21munin-run10:05:020
19121994036,3cyclictest0-21swapper/208:11:182
19116993510,12cyclictest0-21swapper/111:55:131
1910999347,12cyclictest9408-21perf08:00:010
19109993410,11cyclictest27478-21awk12:20:020
1910999338,11cyclictest17246-21awk09:30:010
1910999338,11cyclictest17246-21awk09:30:010
1910999336,12cyclictest16007-21awk08:15:000
1912199301,2cyclictest0-21swapper/212:33:242
187242300,5sleep21912199cyclictest12:00:012
1912799285,9cyclictest5007-21awk07:50:003
1911699281,12cyclictest0-21swapper/109:50:481
314022270,4sleep232-21ksoftirqd/208:45:022
1912799272,18cyclictest0-21swapper/311:34:563
1912799270,19cyclictest0-21swapper/311:16:233
1911699270,9cyclictest0-21swapper/111:33:411
31492261,21sleep03182-21smart_sda12:35:230
1912799268,4cyclictest22189-21/usr/sbin/munin12:05:213
19127992616,3cyclictest852-21cpuspeed_turbos07:40:123
1912199261,10cyclictest0-21swapper/212:35:202
19109992611,2cyclictest7626-21kworker/0:211:35:010
110612260,3sleep121-21rcuc/110:27:381
1912799253,14cyclictest8584-21hostname11:35:183
1912799253,13cyclictest0-21swapper/309:25:203
1912799253,13cyclictest0-21swapper/309:25:203
1912799252,12cyclictest27690-21/usr/sbin/munin12:20:153
19127992517,4cyclictest30729-21sshd08:43:543
1912799250,15cyclictest0-21swapper/307:20:133
1912799250,11cyclictest17577-21tr09:30:113
1912199259,3cyclictest0-21swapper/208:05:562
1912199251,11cyclictest0-21swapper/210:12:152
1910999252,10cyclictest6062-21kworker/0:109:09:570
1910999251,17cyclictest13395-21kworker/0:210:51:210
1910999251,12cyclictest2469-21munin-run10:10:020
1910999251,12cyclictest1221-21perf08:50:010
1912799249,6cyclictest0-21swapper/310:55:273
1912799249,4cyclictest31558-21memory10:00:193
1912799247,5cyclictest30339-21ntp_states11:10:223
1912799243,18cyclictest23298-21/usr/sbin/munin12:10:163
1912799243,13cyclictest20414-21/usr/sbin/munin10:50:163
1912799242,9cyclictest14268-21munin-plugin-st11:50:013
1912799242,12cyclictest2692-21/usr/sbin/munin10:10:273
1912799241,14cyclictest0-21swapper/310:19:353
1912799241,10cyclictest10261-21missed_timers10:25:183
1912199241,11cyclictest0-21swapper/211:36:242
1911699248,4cyclictest0-21swapper/109:38:191
1911699241,16cyclictest0-21swapper/110:14:141
1911699241,12cyclictest27783-21sort12:20:111
1910999249,2cyclictest18538-21kworker/0:012:05:200
1910999242,10cyclictest15253-21kworker/0:109:50:540
19109992411,2cyclictest7626-21kworker/0:211:35:260
1912799239,3cyclictest0-21swapper/309:49:523
1912799237,8cyclictest0-21swapper/308:05:143
1912799235,3cyclictest28450-21/usr/sbin/munin09:55:203
1912799234,11cyclictest28795-21/usr/sbin/munin07:30:193
1912799234,10cyclictest2462-21latency_hist10:10:013
1912799233,9cyclictest20268-21sed10:50:013
1912799230,16cyclictest0-21swapper/309:15:193
1912199238,3cyclictest0-21swapper/209:18:042
1912199231,2cyclictest0-21swapper/209:50:012
1912199230,10cyclictest0-21swapper/210:39:082
1912199230,10cyclictest0-21swapper/210:39:082
1911699239,12cyclictest4483-21kworker/u8:211:24:161
1911699239,12cyclictest3723-21kworker/u8:207:41:561
1911699239,12cyclictest22266-21kworker/u8:009:17:191
1911699237,13cyclictest26496-21systemd-journal11:00:471
1911699231,16cyclictest0-21swapper/109:43:181
1911699230,1cyclictest0-21swapper/107:17:451
1910999239,3cyclictest8898-21kworker/0:110:27:540
1910999239,3cyclictest15253-21kworker/0:109:55:540
1910999239,3cyclictest15253-21kworker/0:109:48:460
1910999239,2cyclictest7626-21kworker/0:211:41:500
1910999236,10cyclictest19386-21kworker/0:108:24:330
1910999232,9cyclictest24845-21kworker/0:208:36:490
1910999232,10cyclictest6510-21kworker/0:210:17:300
1910999232,10cyclictest30895-21kworker/0:011:14:170
1910999231,8cyclictest15953-21kworker/0:110:45:090
1910999231,10cyclictest18538-21kworker/0:012:03:180
19109992310,3cyclictest26044-21kworker/0:007:29:140
70512220,2sleep20-21swapper/211:30:242
226802220,5sleep31912799cyclictest08:30:023
204132221,3sleep120553-21cpuspeed_turbos10:50:111
1912799228,2cyclictest18891-21acpi12:00:113
1912799227,12cyclictest3382-21ls11:25:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional