You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-28 - 23:38

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 Tue Apr 28, 2026 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1390991140,84rtkit-daemon0-21swapper/307:05:163
221471321110,4sleep20-21swapper/208:50:182
218084421070,3sleep33056-21PK-Backend07:15:163
217728027838,13sleep10-21swapper/107:06:041
217723926841,19sleep20-21swapper/207:05:332
217734626344,13sleep00-21swapper/007:06:550
22816462520,6sleep10-21swapper/112:00:201
22079652510,3sleep23056-21PK-Backend08:30:182
22079652510,3sleep23056-21PK-Backend08:30:182
22025022490,5sleep20-21swapper/208:15:182
22445782480,3sleep30-21swapper/310:15:173
22317332470,3sleep03056-21PK-Backend09:40:010
21965402450,4sleep10-21swapper/108:00:131
22415912440,3sleep12241592-21vmstat10:05:241
139099420,5rtkit-daemon2188835-21runrttasks07:39:483
22644252410,3sleep13056-21PK-Backend11:10:191
22286662410,2sleep00-21swapper/009:30:130
22286662410,2sleep00-21swapper/009:30:130
139099400,3rtkit-daemon2204199-21strings08:20:173
139099390,3rtkit-daemon3056-21PK-Backend11:16:503
139099390,3rtkit-daemon3056-21PK-Backend10:06:383
217773299387,18cyclictest2208737-21turbostat08:39:543
2177732993411,20cyclictest436-20systemd-journal11:35:003
2177732993411,20cyclictest436-20systemd-journal11:35:003
217773299319,20cyclictest2182011-21expr07:20:133
2177732993012,16cyclictest2255085-21ntp_kernel_err10:45:193
2177732993010,18cyclictest2178923-21cat07:10:253
217773299300,28cyclictest2235688-21fw_packets09:50:153
217773299291,11cyclictest2226609-21apt09:25:113
217773299290,27cyclictest2251284-21df_inode10:35:143
217773299288,18cyclictest2293620-21cat12:35:143
217773299288,18cyclictest2229081-21ntpq09:30:203
217773299288,18cyclictest2229081-21ntpq09:30:193
217773299286,20cyclictest2291865-21cat12:30:183
217773299283,23cyclictest42-21ksoftirqd/309:49:463
2177732992812,14cyclictest2200560-21open_files08:10:193
2177732992811,15cyclictest978-21snmpd12:07:473
217773299280,26cyclictest2247653-21cat10:25:113
22931832270,3chrt3056-21PK-Backend12:35:001
217773299271,4cyclictest2195170-21memory07:55:163
217773299270,4cyclictest2260946-21rt-features11:00:193
217773299270,3cyclictest2264424-21python311:10:203
217773299270,3cyclictest2253722-21users10:40:223
217773299270,25cyclictest2201768-21/usr/sbin/munin08:15:203
217773299268,16cyclictest1095-21runrttasks10:13:003
217773299267,17cyclictest2285909-21wc12:15:013
217773299267,17cyclictest2262416-21missed_timers11:05:193
217773299266,18cyclictest2275938-21ls11:45:113
217773299261,4cyclictest2215935-21apt08:55:133
217773299260,3cyclictest22468192chrt10:20:343
217773299260,24cyclictest2249399-21cstates10:30:123
217773299258,15cyclictest2193071-21cstates07:50:143
217773299257,16cyclictest2199106-21timerwakeupswit08:05:233
217773299256,17cyclictest0-21swapper/309:40:193
217773299255,18cyclictest2205656-21hddtemp_smartct08:25:153
217773299255,18cyclictest2205656-21hddtemp_smartct08:25:153
217773299253,6cyclictest2230444-21cat09:35:123
217773299253,6cyclictest2184084-21cat07:25:133
217773299251,20cyclictest2273974-21apt11:40:123
217772999259,14cyclictest886-21NetworkManager09:09:442
2177723992521,3cyclictest2019-21gmain12:40:010
139099250,18rtkit-daemon0-21swapper/307:30:383
139099250,18rtkit-daemon0-21swapper/307:30:373
21895102240,5sleep342-21ksoftirqd/307:40:143
217773299247,15cyclictest2287811-21/usr/sbin/munin12:20:143
217773299241,9cyclictest2290432-21python312:25:213
217773299240,9cyclictest2191417-21cat07:45:173
217773299240,8cyclictest2272634-21/usr/sbin/munin11:35:183
217773299240,3cyclictest2277912-21irqstats11:50:153
217773299240,19cyclictest3056-21PK-Backend09:07:523
217772799241,3cyclictest0-21swapper/108:40:181
217773299231,7cyclictest2226554-21date09:25:013
217773299230,7cyclictest2286260-21expr12:15:093
2177729992321,1cyclictest0-21swapper/209:53:522
217772999231,3cyclictest2217189-21python308:57:352
217772399230,21cyclictest2257838-21apt-get10:55:020
139099230,15rtkit-daemon3056-21PK-Backend08:32:103
139099230,15rtkit-daemon3056-21PK-Backend08:32:103
217773299227,13cyclictest22702062sleep311:29:553
217773299222,19cyclictest3056-21PK-Backend10:57:343
2177732992220,1cyclictest3056-21PK-Backend09:55:043
217773299220,9cyclictest2222617-21turbostat.cron09:15:003
2177729992220,1cyclictest0-21swapper/212:21:342
2177729992220,1cyclictest0-21swapper/210:53:002
2177729992220,1cyclictest0-21swapper/210:10:412
2177729992219,2cyclictest0-21swapper/212:27:092
2177729992219,2cyclictest0-21swapper/210:03:112
2177729992219,2cyclictest0-21swapper/207:17:092
2177729992211,8cyclictest883-21dbus-daemon10:30:002
2177729992211,8cyclictest883-21dbus-daemon10:25:002
217772999220,20cyclictest2192334-21apt-get07:50:022
217772999220,20cyclictest0-21swapper/210:45:162
2177727992215,5cyclictest2217402-21cron08:59:591
2177727992214,6cyclictest2179378-21cron07:15:011
2177723992215,5cyclictest2263286-21cron11:10:010
217772399220,1cyclictest0-21swapper/009:17:430
139099220,15rtkit-daemon3056-21PK-Backend08:52:073
217773299214,15cyclictest978-21snmpd11:20:373
2177732992118,2cyclictest3056-21PK-Backend10:52:163
217773299211,4cyclictest0-21swapper/309:00:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional