You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-02 - 19:31

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 Sep 02, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
919821190,3sleep20-21swapper/210:19:262
919821190,3sleep20-21swapper/210:19:262
919821190,3sleep20-21swapper/210:19:262
1220321100,2chrt12204-21/usr/sbin/munin07:34:250
256612940,4sleep20-21swapper/208:09:292
200772700,2sleep20-21swapper/209:24:062
200772700,2sleep20-21swapper/209:24:062
33472630,3sleep20-21swapper/208:39:112
122932610,3sleep00-21swapper/011:54:230
122932610,3sleep00-21swapper/011:54:230
185332590,2chrt0-21swapper/010:44:240
185332590,2chrt0-21swapper/010:44:240
20732580,2chrt922-21/usr/sbin/munin09:59:311
20732580,2chrt922-21/usr/sbin/munin09:59:311
131152550,3sleep20-21swapper/209:04:202
200982450,3sleep20-21swapper/212:14:272
200982450,3sleep20-21swapper/212:14:272
73692420,2sleep17370-21/usr/sbin/munin10:14:261
73692420,2sleep17370-21/usr/sbin/munin10:14:261
46452400,4chrt0-21swapper/208:39:322
46452400,4chrt0-21swapper/208:39:322
182272390,3chrt0-21swapper/107:49:301
179652390,1sleep2351rcuc/210:44:182
179652390,1sleep2351rcuc/210:44:182
271262380,1sleep00-21swapper/011:09:120
116532380,3sleep30-21swapper/308:59:273
116532380,3sleep30-21swapper/308:59:273
293272370,3sleep20-21swapper/212:39:272
293272370,3sleep20-21swapper/212:39:272
22322370,2sleep10-21swapper/108:34:241
22322370,2sleep10-21swapper/108:34:241
203852370,3sleep20-21swapper/209:24:182
203852370,3sleep20-21swapper/209:24:182
60662350,2sleep16184-21mailstats08:44:261
60662350,2sleep16184-21mailstats08:44:261
4340993526,7cyclictest16785-21sshd07:47:380
4340993526,7cyclictest16785-21sshd07:47:380
4341993428,4cyclictest28446-21needreboot09:44:241
4340993427,5cyclictest19994-21gltestperf10:49:190
4340993427,5cyclictest19994-21gltestperf10:49:190
4340993427,5cyclictest19994-21gltestperf10:49:190
4340993427,5cyclictest1346-21avahi-daemon07:44:060
4340993427,5cyclictest1346-21avahi-daemon07:44:060
4340993426,6cyclictest30098-21if_wlan009:49:210
63012330,3sleep30-21swapper/308:44:283
63012330,3sleep30-21swapper/308:44:283
4341993326,5cyclictest30442-21processes09:49:271
4341993324,7cyclictest25607-21threads08:09:281
4341993324,7cyclictest17202-21latency_hist12:09:121
4340993325,6cyclictest4298-21cut11:34:180
4341993223,7cyclictest27081-21missed_timers08:14:221
4341993223,7cyclictest27081-21missed_timers08:14:221
4340993228,3cyclictest90-1pr/ttyS008:44:280
4340993228,3cyclictest90-1pr/ttyS008:44:280
4340993226,4cyclictest20635-21latency_hist07:59:060
40402320,3sleep30-21swapper/308:39:253
40402320,3sleep30-21swapper/308:39:253
287022320,4sleep00-21swapper/008:19:200
287022320,4sleep00-21swapper/008:19:200
4341993125,4cyclictest595-21sshd10:29:271
4341993125,4cyclictest595-21sshd10:29:271
4341993125,4cyclictest24582-21latency09:34:221
4343993025,3cyclictest267032sleep208:14:192
4343993025,3cyclictest267032sleep208:14:192
4341993024,4cyclictest18190-21idleruntime-cro09:19:061
4341993024,4cyclictest18190-21idleruntime-cro09:19:061
4341993023,5cyclictest11072-21fschecks_count08:59:201
4341993023,5cyclictest11072-21fschecks_count08:59:201
4341993022,6cyclictest10881-21latency_hist08:59:121
4341993022,6cyclictest10881-21latency_hist08:59:121
4340993024,4cyclictest13489-21/usr/sbin/munin11:59:280
4340993024,4cyclictest13489-21/usr/sbin/munin11:59:280
4340993023,5cyclictest4339-21cyclictest10:25:190
4340993023,5cyclictest4339-21cyclictest10:25:190
4340993023,5cyclictest2588-21systemctl10:04:060
4340993023,5cyclictest2588-21systemctl10:04:060
4340993023,5cyclictest23706-21sshd09:32:570
4340993023,5cyclictest23706-21sshd09:32:570
434099301,9cyclictest0-21swapper/008:39:040
434099301,9cyclictest0-21swapper/008:39:040
4341992923,4cyclictest10527-21fschecks_count10:24:181
4341992923,4cyclictest10527-21fschecks_count10:24:181
4341992923,4cyclictest0-21swapper/108:24:061
4341992923,4cyclictest0-21swapper/108:24:061
4341992922,5cyclictest13321-21latency_hist07:39:121
4340992921,6cyclictest3488-21needreboot10:04:230
4340992921,6cyclictest3488-21needreboot10:04:230
4340992921,6cyclictest11261-21sed08:59:200
4340992921,6cyclictest11261-21sed08:59:200
434099292,11cyclictest10498-21grep11:49:230
245902290,3sleep1271rcuc/112:29:091
245902290,3sleep1271rcuc/112:29:091
434399288,3cyclictest18902chrt11:27:362
434399288,3cyclictest18902chrt11:27:362
4341992823,4cyclictest20119-21idleruntime-cro09:24:071
4341992823,4cyclictest20119-21idleruntime-cro09:24:071
4341992823,3cyclictest13019-21kworker/u9:1-nfsiod12:34:061
4341992823,3cyclictest13019-21kworker/u9:1-nfsiod12:34:061
4341992823,3cyclictest0-21swapper/111:29:061
4341992823,3cyclictest0-21swapper/111:29:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional