You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-30 - 19:58

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 Sat May 30, 2026 12:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
246321140,1sleep0171ktimers/012:12:580
258832960,2sleep2351rcuc/211:48:002
258832960,2sleep2351rcuc/211:48:002
258832960,2sleep2351rcuc/211:48:002
16392830,3sleep20-21swapper/207:52:552
16392830,3sleep20-21swapper/207:52:552
63502730,18sleep16500-21if_wlan010:57:551
327382690,3chrt0-21swapper/307:47:573
327382690,3chrt0-21swapper/307:47:573
211192650,3chrt0-21swapper/211:37:512
211192650,3chrt0-21swapper/211:37:512
227762620,2sleep016-21ksoftirqd/010:13:030
104182580,3sleep30-21swapper/311:07:573
104182580,3sleep30-21swapper/311:07:573
98222570,3chrt0-21swapper/211:07:522
253562500,3chrt0-21swapper/307:27:593
253562500,3chrt0-21swapper/307:27:593
49242480,2sleep10-21swapper/109:27:531
49242480,2sleep10-21swapper/109:27:531
49242480,2sleep10-21swapper/109:27:531
42672460,2sleep04274-21netstat12:17:570
42672460,2sleep04274-21netstat12:17:570
42672460,2sleep04274-21netstat12:17:570
18987994418,11cyclictest31850-21taskset12:05:060
18987994418,11cyclictest31850-21taskset12:05:060
142412440,4chrt0-21swapper/309:52:523
142412440,4chrt0-21swapper/309:52:523
48262430,2sleep30-21swapper/310:52:593
48262430,2sleep30-21swapper/310:52:593
240702420,3sleep30-21swapper/310:17:563
240702420,3sleep30-21swapper/310:17:563
234882420,3sleep10-21swapper/107:22:591
234882420,3sleep10-21swapper/107:22:591
18987994216,12cyclictest29993-21taskset12:00:270
18987994216,12cyclictest29993-21taskset12:00:270
18987994216,12cyclictest29993-21taskset12:00:270
18987994215,12cyclictest8482-21chrt08:08:490
18987994215,12cyclictest8482-21chrt08:08:490
18987994214,11cyclictest19671-21users08:38:030
18987994214,11cyclictest19671-21users08:38:030
18987994117,10cyclictest22488-21taskset11:40:010
18987994117,10cyclictest22488-21taskset11:40:010
18987994114,12cyclictest24192-21taskset07:25:170
18987994114,12cyclictest24192-21taskset07:25:170
18987994114,12cyclictest21070-21chrt10:08:160
18987994114,12cyclictest21070-21chrt10:08:160
272322400,5sleep0201rcuc/010:27:500
272322400,5sleep0201rcuc/010:27:500
18987994015,11cyclictest6704-21taskset08:04:540
18987994015,11cyclictest6704-21taskset08:04:540
18987994015,11cyclictest6704-21taskset08:04:540
18987994014,12cyclictest5799-21taskset10:57:240
18987994014,12cyclictest5799-21taskset10:57:240
18987994014,10cyclictest12504-21taskset08:22:140
18987994014,10cyclictest12504-21taskset08:22:140
18987994010,15cyclictest0-21swapper/010:22:140
18987994010,15cyclictest0-21swapper/010:22:140
174972400,2sleep30-21swapper/311:27:513
174972400,2sleep30-21swapper/311:27:513
18987993916,8cyclictest26056-21taskset07:30:200
18987993916,8cyclictest26056-21taskset07:30:200
18987993916,13cyclictest13278-21chrt11:17:110
18987993916,13cyclictest13278-21chrt11:17:110
18987993916,13cyclictest13278-21chrt11:17:110
18987993915,8cyclictest17552-21taskset10:01:210
18987993915,8cyclictest17552-21taskset10:01:210
18987993915,8cyclictest11854-21taskset09:45:520
18987993915,8cyclictest11854-21taskset09:45:520
18987993915,10cyclictest19310-21taskset10:04:340
18987993915,10cyclictest19310-21taskset10:04:340
18987993914,9cyclictest8066-21taskset09:35:390
18987993914,9cyclictest8066-21taskset09:35:390
18987993914,9cyclictest8066-21taskset09:35:390
18987993914,9cyclictest8066-21taskset09:35:390
18987993913,13cyclictest30992-21chrt09:09:150
18987993913,13cyclictest30992-21chrt09:09:150
18987993913,13cyclictest30992-21chrt09:09:150
18987993913,12cyclictest27165-21taskset08:58:120
18987993913,12cyclictest27165-21taskset08:58:120
18987993912,8cyclictest0-21swapper/009:03:190
18987993912,8cyclictest0-21swapper/009:03:190
18987993912,8cyclictest0-21swapper/009:03:190
18987993912,11cyclictest9333-21taskset11:04:160
18987993912,11cyclictest9333-21taskset11:04:160
18987993912,10cyclictest749-21runrttasks08:25:330
18987993912,10cyclictest749-21runrttasks08:25:330
50222380,2sleep2351rcuc/208:02:402
50222380,2sleep2351rcuc/208:02:402
318202380,1sleep2351rcuc/209:12:552
318202380,1sleep2351rcuc/209:12:552
318202380,1sleep2351rcuc/209:12:552
18987993818,7cyclictest10491-21taskset08:15:230
18987993818,7cyclictest10491-21taskset08:15:230
18987993814,11cyclictest2286-21taskset09:18:510
18987993814,11cyclictest2286-21taskset09:18:510
18987993814,11cyclictest2286-21taskset09:18:510
18987993814,11cyclictest2286-21taskset09:18:510
18987993814,10cyclictest24246-21seq11:43:240
18987993814,10cyclictest24246-21seq11:43:240
18987993814,10cyclictest24246-21seq11:43:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional