You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-29 - 02:20

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 Mon Dec 29, 2025 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
714721300,2sleep10-21swapper/122:35:221
714721300,2sleep10-21swapper/122:35:221
2893021170,3sleep00-21swapper/020:40:240
2893021170,3sleep00-21swapper/020:40:240
2263021100,3sleep10-21swapper/123:15:311
2263021100,3sleep10-21swapper/123:15:311
1638721070,3sleep20-21swapper/221:30:392
1638721070,3sleep20-21swapper/221:30:392
216532970,2sleep10-21swapper/121:45:371
216532970,2sleep10-21swapper/121:45:371
201892920,1sleep10-21swapper/123:10:201
286612890,2sleep30-21swapper/323:30:403
286612890,2sleep30-21swapper/323:30:403
218012820,4sleep30-21swapper/320:20:333
218012820,4sleep30-21swapper/320:20:333
247932800,3sleep30-21swapper/323:20:353
129022790,8sleep0171ktimers/019:55:370
129022790,8sleep0171ktimers/019:55:370
129022790,8sleep0171ktimers/019:55:370
129612740,2sleep112151-21/usr/sbin/munin19:55:381
129612740,2sleep112151-21/usr/sbin/munin19:55:381
129612740,2sleep112151-21/usr/sbin/munin19:55:381
188232730,2sleep20-21swapper/221:40:162
188232730,2sleep20-21swapper/221:40:162
80842720,3chrt0-21swapper/322:35:373
80842720,3chrt0-21swapper/322:35:373
80842720,3chrt0-21swapper/322:35:373
302182720,3sleep30-21swapper/320:40:393
302182720,3sleep30-21swapper/320:40:393
313412690,3sleep20-21swapper/220:45:322
313412690,3sleep20-21swapper/220:45:322
94882680,3chrt0-21swapper/321:15:163
94882680,3chrt0-21swapper/321:15:163
239692660,4sleep20-21swapper/221:50:412
239692660,4sleep20-21swapper/221:50:412
200522660,3sleep20-21swapper/220:15:332
200522660,3sleep20-21swapper/220:15:332
31942650,1sleep10-21swapper/119:30:291
31942650,1sleep10-21swapper/119:30:291
51972630,2sleep30-21swapper/321:00:413
51972630,2sleep30-21swapper/321:00:413
245612620,3chrt0-21swapper/320:25:393
35622610,4chrt0-21swapper/219:30:342
35622610,4chrt0-21swapper/219:30:342
210642530,2sleep30-21swapper/321:45:313
210642530,2sleep30-21swapper/321:45:313
229422520,3chrt0-21swapper/321:50:303
229422520,3chrt0-21swapper/321:50:303
75482500,2chrt0-21swapper/100:00:381
75482500,2chrt0-21swapper/100:00:381
274142490,3chrt0-21swapper/222:00:382
274142490,3chrt0-21swapper/222:00:382
115832490,2chrt0-21swapper/322:45:343
115832490,2chrt0-21swapper/322:45:343
179562450,3sleep10-21swapper/121:35:371
179562450,3sleep10-21swapper/121:35:371
147002450,2sleep20-21swapper/220:00:352
147002450,2sleep20-21swapper/220:00:352
318642440,3chrt0-21swapper/219:20:292
318642440,3chrt0-21swapper/219:20:292
172652440,1sleep017325-21ntpq23:00:390
172652440,1sleep017325-21ntpq23:00:390
27872430,3sleep30-21swapper/319:30:233
2770699413,29cyclictest7525-21sendmail_mailqu00:00:370
2770699413,29cyclictest7525-21sendmail_mailqu00:00:370
248742410,3sleep124877-21proc_pri23:20:371
121942410,3chrt0-21swapper/222:45:412
121942410,3chrt0-21swapper/222:45:412
318992400,2sleep031916-21grep22:15:160
318992400,2sleep031916-21grep22:15:160
152012400,7sleep1281ktimers/122:55:371
152012400,7sleep1281ktimers/122:55:371
2771199391,31cyclictest6554-21chrt00:00:233
2771199391,31cyclictest6554-21chrt00:00:233
2771199391,31cyclictest6554-21chrt00:00:233
52672380,2chrt0-21swapper/223:55:322
52672380,2chrt0-21swapper/223:55:322
52672380,2chrt0-21swapper/223:55:322
191682380,3sleep20-21swapper/221:40:292
191682380,3sleep20-21swapper/221:40:292
268912370,3sleep30-21swapper/323:25:383
268912370,3sleep30-21swapper/323:25:383
186792370,3sleep20-21swapper/220:10:392
186792370,3sleep20-21swapper/220:10:392
27706993630,4cyclictest1-21systemd23:20:160
27706993630,4cyclictest1-21systemd23:20:160
27706993629,5cyclictest18567-21processes20:10:380
27706993629,5cyclictest18567-21processes20:10:380
111832360,2sleep011307-21mailstats00:10:390
111832360,2sleep011307-21mailstats00:10:390
101772360,3chrt0-21swapper/319:50:213
27706993529,4cyclictest16604-21missed_timers00:25:330
27706993529,4cyclictest16604-21missed_timers00:25:330
27707993429,3cyclictest749-21runrttasks00:10:341
27707993429,3cyclictest749-21runrttasks00:10:341
141242340,2sleep129-21ksoftirqd/121:25:351
113972340,2sleep111395-21awk21:20:171
113972340,2sleep111395-21awk21:20:171
27707993328,3cyclictest0-21swapper/100:00:241
27707993328,3cyclictest0-21swapper/100:00:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional