You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-01 - 07:11

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 #4, slot #1

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.

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 rack4slot1s.osadl.org (updated Wed Jul 01, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1564221170,3sleep30-21swapper/300:08:133
1564221170,3sleep30-21swapper/300:08:133
1564221170,3sleep30-21swapper/300:08:133
726821160,3sleep30-21swapper/319:23:313
3165521100,3sleep30-21swapper/321:58:083
3165521100,3sleep30-21swapper/321:58:083
3165521100,3sleep30-21swapper/321:58:083
256392840,3sleep30-21swapper/320:13:283
184602760,3sleep00-21swapper/019:53:320
184602760,3sleep00-21swapper/019:53:320
184602760,3sleep00-21swapper/019:53:320
54602750,3sleep30-21swapper/320:48:133
54602750,3sleep30-21swapper/320:48:133
48872750,2chrt0-21swapper/023:38:230
167582650,3sleep20-21swapper/200:13:182
167582650,3sleep20-21swapper/200:13:182
167582650,3sleep20-21swapper/200:13:182
218742630,3sleep20-21swapper/222:58:172
218742630,3sleep20-21swapper/222:58:172
218742630,3sleep20-21swapper/222:58:172
110142630,4chrt0-21swapper/221:03:082
110142630,4chrt0-21swapper/221:03:082
2499996256,3cyclictest0-21swapper/000:03:410
2499996256,3cyclictest0-21swapper/000:03:410
2499996256,3cyclictest0-21swapper/000:03:410
279392590,3sleep10-21swapper/121:48:091
279392590,3sleep10-21swapper/121:48:091
213452580,7sleep0171ktimers/000:23:330
213452580,7sleep0171ktimers/000:23:330
233292570,3chrt0-21swapper/200:29:182
233292570,3chrt0-21swapper/200:29:182
312442560,3sleep30-21swapper/320:28:273
312442560,3sleep30-21swapper/320:28:273
273442560,2chrt24407-21kworker/0:0-events_power_efficient20:18:230
273442560,2chrt24407-21kworker/0:0-events_power_efficient20:18:230
319772490,3sleep20-21swapper/223:23:252
319772490,3sleep20-21swapper/223:23:252
43072480,3chrt0-21swapper/323:38:103
43072480,3chrt0-21swapper/323:38:103
239072470,3chrt0-21swapper/320:08:303
239072470,3chrt0-21swapper/320:08:303
267092430,1sleep00-21swapper/021:43:220
267092430,1sleep00-21swapper/021:43:220
264242430,3sleep00-21swapper/000:38:290
264242430,3sleep00-21swapper/000:38:290
264242430,3sleep00-21swapper/000:38:290
249999434,29cyclictest14256-21cut00:03:220
147312430,3sleep00-21swapper/019:43:300
147312430,3sleep00-21swapper/019:43:300
12872430,3sleep01290-21latency_hist22:03:200
12872430,3sleep01290-21latency_hist22:03:200
299032420,4chrt0-21swapper/323:18:243
299032420,4chrt0-21swapper/323:18:243
2499994234,6cyclictest26063-21sendmail21:43:080
2499994234,6cyclictest26063-21sendmail21:43:080
218342420,2sleep30-21swapper/321:28:293
218342420,2sleep30-21swapper/321:28:293
124492420,2sleep111758-21/usr/sbin/munin19:38:261
124492420,2sleep111758-21/usr/sbin/munin19:38:261
250099402,30cyclictest13817-21cat00:03:161
250099402,30cyclictest13817-21cat00:03:161
250099402,30cyclictest13817-21cat00:03:161
227452400,3sleep00-21swapper/000:28:280
227452400,3sleep00-21swapper/000:28:280
121702390,2sleep20-21swapper/219:38:222
121702390,2sleep20-21swapper/219:38:222
106122380,3sleep10-21swapper/123:53:231
106122380,3sleep10-21swapper/123:53:231
106122380,3sleep10-21swapper/123:53:231
310412370,2sleep00-21swapper/023:22:550
310412370,2sleep00-21swapper/023:22:550
106722370,3chrt0-21swapper/219:33:272
106722370,3chrt0-21swapper/219:33:272
106722370,3chrt0-21swapper/219:33:272
291852360,3sleep30-21swapper/321:48:323
291852360,3sleep30-21swapper/321:48:323
261802360,2sleep30-21swapper/323:08:233
261802360,2sleep30-21swapper/323:08:233
261802360,2sleep30-21swapper/323:08:233
2499993628,6cyclictest545-21in:imuxsock00:14:470
2499993628,6cyclictest545-21in:imuxsock00:14:470
2499993628,6cyclictest20871-21cut21:28:190
2499993628,6cyclictest20871-21cut21:28:190
212772360,2sleep021409-21/usr/sbin/munin20:03:210
212772360,2sleep021409-21/usr/sbin/munin20:03:210
141022360,2chrt0-21swapper/200:03:212
141022360,2chrt0-21swapper/200:03:212
141022360,2chrt0-21swapper/200:03:212
2499993528,5cyclictest12829-21fschecks_time22:33:210
2499993528,5cyclictest12829-21fschecks_time22:33:210
2500993425,7cyclictest14809-21sh21:13:111
2500993425,7cyclictest14809-21sh21:13:111
2500993425,7cyclictest14809-21sh21:13:111
2499993425,7cyclictest29649-21threads20:23:310
2499993425,7cyclictest29649-21threads20:23:310
88712330,3chrt0-21swapper/223:48:262
88712330,3chrt0-21swapper/223:48:262
52722330,3sleep20-21swapper/223:38:292
2500993313,5cyclictest0-21swapper/100:33:291
2500993313,5cyclictest0-21swapper/100:33:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional