You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-04 - 10:09

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 Tue Aug 04, 2026 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2274021380,2sleep00-21swapper/023:38:520
2274021380,2sleep00-21swapper/023:38:520
2274021380,2sleep00-21swapper/023:38:520
38021160,1sleep00-21swapper/000:04:010
38021160,1sleep00-21swapper/000:04:010
3219821070,1sleep00-21swapper/000:03:530
3219821070,1sleep00-21swapper/000:03:530
3219821070,1sleep00-21swapper/000:03:530
268182730,3chrt0-21swapper/020:54:030
268182730,3chrt0-21swapper/020:54:030
185072720,3sleep20-21swapper/221:59:012
185072720,3sleep20-21swapper/221:59:012
185072720,3sleep20-21swapper/221:59:012
206932660,3sleep20-21swapper/220:38:572
206932660,3sleep20-21swapper/220:38:572
98332600,3sleep30-21swapper/323:03:543
98332600,3sleep30-21swapper/323:03:543
73482600,3sleep20-21swapper/221:29:022
83542590,2sleep18461-21gunzip22:58:591
83542590,2sleep18461-21gunzip22:58:591
83542590,2sleep18461-21gunzip22:58:591
115602590,3sleep20-21swapper/200:33:582
115602590,3sleep20-21swapper/200:33:582
52702580,2chrt0-21swapper/000:18:520
52702580,2chrt0-21swapper/000:18:520
52702580,2chrt0-21swapper/000:18:520
192032560,3sleep2351rcuc/223:28:542
192032560,3sleep2351rcuc/223:28:542
87382540,3chrt7601-21/usr/sbin/munin22:59:010
87382540,3chrt7601-21/usr/sbin/munin22:59:010
87382540,3chrt7601-21/usr/sbin/munin22:59:010
327172540,2sleep20-21swapper/219:44:022
327172540,2sleep20-21swapper/219:44:022
73852530,3sleep30-21swapper/300:23:543
73852530,3sleep30-21swapper/300:23:543
54462530,2sleep05448-21grep21:24:020
54462530,2sleep05448-21grep21:24:020
286432500,2sleep016-21ksoftirqd/022:28:420
24072500,3chrt0-21swapper/200:09:022
24072500,3chrt0-21swapper/200:09:022
167952500,2sleep20-21swapper/223:23:392
167952500,2sleep20-21swapper/223:23:392
32142490,1sleep2351rcuc/221:18:572
32142490,1sleep2351rcuc/221:18:572
32142490,1sleep2351rcuc/221:18:572
20931994227,9cyclictest8682sleep300:04:093
20931994227,9cyclictest8682sleep300:04:093
93732410,14sleep0201rcuc/000:28:530
93732410,14sleep0201rcuc/000:28:530
317842400,1sleep131855-21gzip21:08:561
317842400,1sleep131855-21gzip21:08:561
269522400,3sleep20-21swapper/219:28:592
186882390,2chrt0-21swapper/023:28:390
186882390,2chrt0-21swapper/023:28:390
299492380,3sleep20-21swapper/222:29:042
299492380,3sleep20-21swapper/222:29:042
203312370,1sleep120442-21/usr/sbin/munin20:38:531
203312370,1sleep120442-21/usr/sbin/munin20:38:531
20922993528,5cyclictest749-21runrttasks00:03:571
20922993528,5cyclictest749-21runrttasks00:03:571
20922993428,4cyclictest32276-21fschecks_time00:03:531
20922993428,4cyclictest32276-21fschecks_time00:03:531
20922993428,4cyclictest32276-21fschecks_time00:03:531
20922993427,5cyclictest31581-21sshd19:43:391
20922993427,5cyclictest31581-21sshd19:43:391
20922993427,5cyclictest31581-21sshd19:43:391
20921993429,4cyclictest11730-21latency_hist21:43:390
20921993429,4cyclictest11730-21latency_hist21:43:390
20921993421,11cyclictest0-21swapper/020:28:510
2092499332,19cyclictest654-21taskset00:04:032
2092499332,19cyclictest654-21taskset00:04:032
20922993319,3cyclictest181rcu_preempt22:00:501
20922993319,3cyclictest181rcu_preempt22:00:501
20922993319,3cyclictest181rcu_preempt22:00:501
20921993326,5cyclictest5516-21latency_hist22:53:390
20921993326,5cyclictest5516-21latency_hist22:53:390
20922993228,2cyclictest0-21swapper/123:43:391
20922993228,2cyclictest0-21swapper/123:43:391
20922993228,2cyclictest0-21swapper/123:43:391
20921993227,3cyclictest26719-21latency19:28:540
20921993226,5cyclictest1346-21avahi-daemon23:49:030
20921993226,5cyclictest1346-21avahi-daemon23:49:030
20921993226,4cyclictest1346-21avahi-daemon21:19:010
20921993226,4cyclictest1346-21avahi-daemon21:19:010
20921993226,4cyclictest1346-21avahi-daemon21:19:010
126272320,3sleep20-21swapper/221:43:582
126272320,3sleep20-21swapper/221:43:582
2093199312,18cyclictest31886-21chrt00:03:443
2093199312,18cyclictest31886-21chrt00:03:443
2093199312,18cyclictest31886-21chrt00:03:443
20922993126,4cyclictest22395-21latency_hist23:38:391
20922993126,3cyclictest0-21swapper/100:23:391
20922993126,3cyclictest0-21swapper/100:23:391
20922993126,3cyclictest0-21swapper/100:23:391
20922993125,4cyclictest10797-21ntp_kernel_pll_21:38:581
20922993125,4cyclictest10797-21ntp_kernel_pll_21:38:581
20922993122,2cyclictest181rcu_preempt22:52:221
20922993122,2cyclictest181rcu_preempt22:52:221
20921993126,3cyclictest0-21swapper/021:53:390
20921993126,3cyclictest0-21swapper/021:53:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional