You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-11 - 11:09

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 #e, slot #5

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.
Unexpectedly long latencies may be caused by SMIs
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 rackeslot5s.osadl.org (updated Sat Jul 11, 2026 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11938992523,1cyclictest9037-21ssh23:35:473
1193899250,24cyclictest0-21swapper/321:21:403
1193699250,24cyclictest0-21swapper/223:33:152
1193699250,24cyclictest0-21swapper/200:06:532
11931992523,1cyclictest313-21systemd-journal19:50:001
1193199250,25cyclictest0-21swapper/100:26:191
1193199250,24cyclictest9365-21ssh23:36:111
1193199250,24cyclictest32243-21sh21:32:221
1193199250,1cyclictest26772-21ssh22:53:081
11927992523,1cyclictest28898-21runrttasks23:24:220
11927992523,1cyclictest28821-21wc23:52:010
1192799250,1cyclictest5339-21awk22:35:010
1192799250,1cyclictest0-21swapper/022:26:070
11938992423,1cyclictest0-21swapper/323:25:073
11938992423,0cyclictest0-21swapper/322:38:503
11938992422,1cyclictest25943-21apt-get21:56:513
1193899240,2cyclictest23178-21idleruntime-cro20:40:003
1193899240,24cyclictest0-21swapper/321:11:263
1193899240,23cyclictest5582-21diskmemload00:26:373
1193899240,23cyclictest23811-21idleruntime-cro23:20:013
1193899240,23cyclictest0-21swapper/322:40:193
1193899240,23cyclictest0-21swapper/322:05:133
1193899240,23cyclictest0-21swapper/321:51:373
1193899240,23cyclictest0-21swapper/321:30:453
1193899240,23cyclictest0-21swapper/300:35:173
1193899240,23cyclictest0-21swapper/300:06:533
11936992423,1cyclictest0-21swapper/221:21:512
11936992423,0cyclictest29760-21ssh23:25:072
1193699240,23cyclictest5582-21diskmemload23:48:422
1193699240,23cyclictest5582-21diskmemload21:40:532
1193699240,23cyclictest0-21swapper/223:59:242
1193699240,23cyclictest0-21swapper/223:59:242
1193699240,23cyclictest0-21swapper/223:36:562
1193699240,23cyclictest0-21swapper/222:20:132
1193699240,23cyclictest0-21swapper/221:11:262
1193699240,0cyclictest0-21swapper/223:54:192
11931992422,1cyclictest0-21swapper/121:56:551
1193199240,23cyclictest0-21swapper/100:39:551
1193199240,0cyclictest0-21swapper/122:20:571
11927992421,2cyclictest24359-21latency_hist19:35:010
1192799240,23cyclictest19817-21sh21:51:130
1192799240,23cyclictest0-21swapper/023:41:230
1192799240,0cyclictest0-21swapper/000:25:580
11938992323,0cyclictest0-21swapper/323:53:563
11938992323,0cyclictest0-21swapper/323:09:063
11938992321,1cyclictest0-21swapper/322:54:543
1193899230,2cyclictest772-21cron21:00:003
1193899230,2cyclictest7539-21sh00:30:473
1193899230,2cyclictest18922-21interrupts22:46:563
1193899230,23cyclictest0-21swapper/322:20:133
1193899230,22cyclictest5582-21diskmemload22:25:293
1193899230,22cyclictest18165-21sh21:49:213
1193899230,22cyclictest0-21swapper/323:57:553
1193899230,22cyclictest0-21swapper/323:57:553
1193899230,22cyclictest0-21swapper/323:42:043
1193899230,22cyclictest0-21swapper/323:21:043
1193899230,22cyclictest0-21swapper/321:40:133
1193899230,22cyclictest0-21swapper/319:46:543
1193899230,1cyclictest0-21swapper/322:03:433
1193899230,1cyclictest0-21swapper/300:00:433
1193899230,0cyclictest0-21swapper/323:48:423
11936992323,0cyclictest5582-21diskmemload00:27:162
11936992323,0cyclictest0-21swapper/223:09:062
11936992323,0cyclictest0-21swapper/223:04:142
11936992322,1cyclictest0-21swapper/222:10:272
11936992321,1cyclictest25113-21diskmemload21:55:452
11936992321,1cyclictest0-21swapper/223:16:142
11936992321,1cyclictest0-21swapper/221:35:042
11936992321,1cyclictest0-21swapper/200:34:092
11936992321,1cyclictest0-21swapper/200:03:212
1193699230,2cyclictest0-21swapper/222:46:562
1193699230,23cyclictest0-21swapper/222:05:132
1193699230,22cyclictest6457-21sh22:36:132
1193699230,22cyclictest30162-21ssh21:31:542
1193699230,22cyclictest0-21swapper/220:15:002
1193699230,22cyclictest0-21swapper/200:12:572
1193699230,1cyclictest5582-21diskmemload22:31:122
1193699230,1cyclictest0-21swapper/222:55:552
1193699230,0cyclictest5582-21diskmemload23:14:282
1193699230,0cyclictest0-21swapper/222:40:192
1193699230,0cyclictest0-21swapper/222:04:402
1193699230,0cyclictest0-21swapper/221:51:372
11931992323,0cyclictest5582-21diskmemload22:42:141
11931992323,0cyclictest16851-21ssh00:11:171
11931992323,0cyclictest0-21swapper/123:12:081
11931992323,0cyclictest0-21swapper/122:58:481
11931992323,0cyclictest0-21swapper/122:33:291
11931992323,0cyclictest0-21swapper/121:41:351
11931992322,0cyclictest23628-21apt-get20:41:521
11931992321,1cyclictest0-21swapper/123:25:291
1193199231,21cyclictest0-21swapper/122:26:501
1193199230,2cyclictest22312-21sh23:46:541
1193199230,23cyclictest0-21swapper/123:15:471
1193199230,23cyclictest0-21swapper/122:14:201
1193199230,23cyclictest0-21swapper/100:15:291
1193199230,22cyclictest6154-21ssh21:10:241
1193199230,22cyclictest32294-21ssh00:23:591
1193199230,22cyclictest24423-21sh23:20:311
1193199230,0cyclictest0-21swapper/123:00:241
1193199230,0cyclictest0-21swapper/122:06:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional