You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-20 - 09:37

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 #c, slot #7

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 rackcslot7s.osadl.org (updated Wed May 20, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
179159221210,4sleep33056-21PK-Backend20:55:223
177554021100,4sleep33056-21PK-Backend20:10:193
179478321040,2sleep20-21swapper/221:05:192
139099790,61rtkit-daemon0-21swapper/019:05:180
175257226849,13sleep20-21swapper/219:07:482
175167326838,22sleep10-21swapper/119:05:171
175247626344,13sleep30-21swapper/319:06:313
18045462370,3sleep31804551-21cpuspeed_turbos21:35:123
18469662350,13sleep234-21ksoftirqd/223:35:122
139099350,3rtkit-daemon0-21swapper/120:10:581
17799332340,2sleep13056-21PK-Backend20:25:001
17653572340,4chrt3056-21PK-Backend19:40:193
1752890992811,15cyclictest1799682-21awk21:20:163
139099270,5rtkit-daemon1826164-21/usr/sbin/munin22:35:160
1752886992520,3cyclictest436-20systemd-journal21:24:562
175287899251,16cyclictest1839869-21chrt23:15:130
1752878992415,7cyclictest1787072-21cpu20:45:110
17598632230,4chrt0-21swapper/119:25:221
1752890992312,9cyclictest42-21ksoftirqd/320:25:173
175288299230,3cyclictest1846773-21/usr/sbin/munin23:35:151
175288299230,21cyclictest1788643-21eadedCompositor20:40:351
175287899232,19cyclictest1851743-21perf23:50:000
1752878992320,2cyclictest0-21swapper/021:52:540
1752878992320,2cyclictest0-21swapper/000:13:280
139099230,15rtkit-daemon3056-21PK-Backend23:46:061
139099230,14rtkit-daemon0-21swapper/120:05:371
17980542220,4chrt0-21swapper/321:15:203
175289099220,3cyclictest1858331-21sensors_temp00:05:243
1752886992220,1cyclictest0-21swapper/223:49:422
1752886992220,1cyclictest0-21swapper/223:30:162
1752886992220,1cyclictest0-21swapper/223:02:452
1752886992220,1cyclictest0-21swapper/220:15:282
1752886992218,3cyclictest0-21swapper/221:35:382
175288699220,3cyclictest978-21snmpd20:48:542
175288699220,20cyclictest0-21swapper/222:56:292
175288699220,20cyclictest0-21swapper/200:02:062
1752882992220,1cyclictest0-21swapper/122:48:381
1752882992215,6cyclictest1-21systemd23:05:001
1752882992214,6cyclictest1758508-21dump-pmu-power19:25:001
1752878992220,1cyclictest0-21swapper/023:41:510
1752878992220,1cyclictest0-21swapper/022:22:220
1752878992220,1cyclictest0-21swapper/021:49:500
1752878992218,3cyclictest0-21swapper/019:35:120
175287899221,20cyclictest13-21ksoftirqd/020:40:160
139099220,16rtkit-daemon3056-21PK-Backend21:30:401
139099220,15rtkit-daemon3056-21PK-Backend21:40:221
139099220,14rtkit-daemon0-21swapper/020:25:210
1752890992119,1cyclictest3056-21PK-Backend22:17:033
1752890992113,6cyclictest1854120-21hddtemp_smartct23:55:133
1752890992113,6cyclictest1770557-21python319:55:203
175289099210,20cyclictest3056-21PK-Backend20:34:563
175289099210,20cyclictest3056-21PK-Backend19:37:173
175289099210,20cyclictest0-21swapper/320:08:063
175289099210,19cyclictest3056-21PK-Backend23:34:023
175289099210,19cyclictest3056-21PK-Backend19:29:333
1752886992119,1cyclictest0-21swapper/223:43:542
1752886992119,1cyclictest0-21swapper/223:24:142
1752886992119,1cyclictest0-21swapper/222:42:232
1752886992119,1cyclictest0-21swapper/222:04:522
1752886992119,1cyclictest0-21swapper/221:32:342
1752886992119,1cyclictest0-21swapper/221:00:372
1752886992119,1cyclictest0-21swapper/220:26:582
1752886992119,1cyclictest0-21swapper/220:06:152
1752886992119,1cyclictest0-21swapper/220:02:102
1752886992119,1cyclictest0-21swapper/219:57:032
1752886992119,1cyclictest0-21swapper/219:36:482
1752886992119,1cyclictest0-21swapper/219:27:492
1752886992116,3cyclictest1863745-21users00:20:252
1752886992114,5cyclictest1790274-21cron20:55:002
175288699210,20cyclictest0-21swapper/222:16:142
175288699210,20cyclictest0-21swapper/219:19:112
175288699210,1cyclictest0-21swapper/219:33:452
175288299210,20cyclictest0-21swapper/120:03:581
1752878992119,1cyclictest0-21swapper/023:04:330
1752878992119,1cyclictest0-21swapper/022:57:300
1752878992119,1cyclictest0-21swapper/022:10:120
1752878992119,1cyclictest0-21swapper/021:55:590
1752878992119,1cyclictest0-21swapper/021:32:400
1752878992119,1cyclictest0-21swapper/021:11:250
1752878992119,1cyclictest0-21swapper/020:37:100
1752878992119,1cyclictest0-21swapper/020:33:050
1752878992119,1cyclictest0-21swapper/020:04:120
1752878992119,1cyclictest0-21swapper/019:52:080
1752878992119,1cyclictest0-21swapper/019:33:090
1752878992119,1cyclictest0-21swapper/019:25:250
1752878992119,1cyclictest0-21swapper/000:27:200
1752878992119,1cyclictest0-21swapper/000:06:380
1752878992119,1cyclictest0-21swapper/000:04:000
1752878992118,2cyclictest0-21swapper/021:25:440
1752878992118,2cyclictest0-21swapper/021:17:330
1752878992112,6cyclictest1095-21runrttasks22:25:200
175287899210,20cyclictest3056-21PK-Backend20:06:150
175287899210,20cyclictest0-21swapper/023:39:140
175287899210,20cyclictest0-21swapper/022:50:270
139099210,14rtkit-daemon3056-21PK-Backend20:15:471
139099210,14rtkit-daemon0-21swapper/122:58:311
139099210,14rtkit-daemon0-21swapper/022:43:530
139099210,13rtkit-daemon0-21swapper/021:35:100
1752890992018,1cyclictest3056-21PK-Backend23:06:393
1752890992018,1cyclictest3056-21PK-Backend22:51:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional