You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-18 - 04:24

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 Thu Jun 18, 2026 00:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1434621350,3sleep014349-21grep20:53:190
1434621350,3sleep014349-21grep20:53:190
1434621350,3sleep014349-21grep20:53:190
124921250,2sleep10-21swapper/123:13:101
124921250,2sleep10-21swapper/123:13:101
667921040,2chrt6678-21fschecks_count23:28:080
311582880,2sleep00-21swapper/021:38:180
311582880,2sleep00-21swapper/021:38:180
207872820,3chrt0-21swapper/221:13:072
207872820,3chrt0-21swapper/221:13:072
271142740,4sleep20-21swapper/220:03:082
271142740,4sleep20-21swapper/220:03:082
74302680,3chrt0-21swapper/322:03:093
74252680,2chrt0-21swapper/023:28:160
74252680,2chrt0-21swapper/023:28:160
74252680,2chrt0-21swapper/023:28:160
137422660,3sleep20-21swapper/219:27:582
137422660,3sleep20-21swapper/219:27:582
82082640,3sleep30-21swapper/323:32:583
82082640,3sleep30-21swapper/323:32:583
82082640,3sleep30-21swapper/323:32:583
55082630,3sleep20-21swapper/221:58:092
55082630,3sleep20-21swapper/221:58:092
55082630,3sleep20-21swapper/221:58:092
233102630,3sleep20-21swapper/222:43:202
233102630,3sleep20-21swapper/222:43:202
233102630,3sleep20-21swapper/222:43:202
77682600,2sleep20-21swapper/222:03:122
77682600,2sleep20-21swapper/222:03:122
77682600,2sleep20-21swapper/222:03:122
68862590,8sleep16888-21sed23:28:091
68862590,8sleep16888-21sed23:28:091
68862590,8sleep16888-21sed23:28:091
327312580,3sleep20-21swapper/200:38:052
327312580,3sleep20-21swapper/200:38:052
327312580,3sleep20-21swapper/200:38:052
39882570,3sleep20-21swapper/221:53:112
39882570,3sleep20-21swapper/221:53:112
129902550,3chrt0-21swapper/220:51:562
129902550,3chrt0-21swapper/220:51:562
243722540,2sleep20-21swapper/219:53:192
243722540,2sleep20-21swapper/219:53:192
156902530,9sleep0171ktimers/023:52:570
156902530,9sleep0171ktimers/023:52:570
156902530,9sleep0171ktimers/023:52:570
255212490,5sleep10-21swapper/100:18:101
255212490,5sleep10-21swapper/100:18:101
255212490,5sleep10-21swapper/100:18:101
201372480,3sleep20-21swapper/200:03:122
201372480,3sleep20-21swapper/200:03:122
201372480,3sleep20-21swapper/200:03:122
8676994538,5cyclictest1-21systemd22:22:561
8676994538,5cyclictest1-21systemd22:22:561
25662440,3sleep30-21swapper/321:48:183
25662440,3sleep30-21swapper/321:48:183
25662440,3sleep30-21swapper/321:48:183
281792420,4sleep20-21swapper/200:23:182
281792420,4sleep20-21swapper/200:23:182
281792420,4sleep20-21swapper/200:23:182
254512400,2sleep30-21swapper/319:58:103
175062390,3sleep30-21swapper/319:38:003
175062390,3sleep30-21swapper/319:38:003
8676993833,3cyclictest24314-21cron21:22:561
8676993833,3cyclictest24314-21cron21:22:561
8676993833,3cyclictest24314-21cron21:22:561
209752380,3sleep30-21swapper/300:03:453
209752380,3sleep30-21swapper/300:03:453
209752380,3sleep30-21swapper/300:03:453
237052370,3sleep30-21swapper/321:18:193
237052370,3sleep30-21swapper/321:18:193
237052370,3sleep30-21swapper/321:18:193
164022360,4sleep30-21swapper/323:53:123
164022360,4sleep30-21swapper/323:53:123
164022360,4sleep30-21swapper/323:53:123
8676993527,6cyclictest25806-21netstat19:58:151
8673993529,3cyclictest4399-21latency_hist23:22:560
8673993529,3cyclictest4399-21latency_hist23:22:560
273472350,1sleep00-21swapper/021:28:170
273472350,1sleep00-21swapper/021:28:170
259392350,3sleep20-21swapper/221:24:382
259392350,3sleep20-21swapper/221:24:382
171962350,2sleep30-21swapper/322:28:133
171962350,2sleep30-21swapper/322:28:133
171962350,2sleep30-21swapper/322:28:133
8676993426,6cyclictest6488-21netstat20:33:121
8676993426,6cyclictest6488-21netstat20:33:121
283532340,2chrt0-21swapper/322:58:123
283532340,2chrt0-21swapper/322:58:123
130572340,2chrt13055-21sed22:18:090
130572340,2chrt13055-21sed22:18:090
115452340,3chrt0-21swapper/320:48:073
115452340,3chrt0-21swapper/320:48:073
8676993327,4cyclictest8652-21cyclictest20:08:061
8676993327,4cyclictest8652-21cyclictest20:08:061
8676993327,4cyclictest7303-21fschecks_time22:03:081
8676993327,4cyclictest7303-21fschecks_time22:03:081
8676993326,5cyclictest14678-21systemd-journal20:08:351
8676993326,5cyclictest14678-21systemd-journal20:08:351
8676993326,4cyclictest14678-21systemd-journal22:15:121
8676993326,4cyclictest14678-21systemd-journal22:15:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional