You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-09 - 07:10

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 #9, slot #8

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: 50 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 792 highest latencies:
System rack9slot8s.osadl.org (updated Tue Dec 09, 2025 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
818502330,0irq/46-4a10000017900-21kworker/0:219:07:430
183259911075,0cyclictest25345-21ssh00:10:230
183259910775,0cyclictest31829-21ssh22:07:200
183259910370,0cyclictest15385-21ssh22:40:430
183259910278,0cyclictest19096-21munin-node19:14:530
183259910170,0cyclictest31070-21ssh00:22:410
183259910078,0cyclictest14583-21ssh21:30:590
183259910077,0cyclictest29960-21ssh23:11:510
18325999980,0cyclictest10539-21ssh21:22:300
18325999978,0cyclictest22242-21ssh22:55:210
18325999976,0cyclictest15633-21latency_hist23:50:020
18325999970,0cyclictest28854-21ssh00:18:010
18325999968,0cyclictest7016-21ssh22:23:260
18325999968,0cyclictest28902-21ssh22:01:060
18325999968,0cyclictest20900-21seq00:00:520
18325999968,0cyclictest11806-21ssh21:25:050
18325999878,0cyclictest5414-21ssh21:11:450
18325999877,0cyclictest20495-21ssh21:43:300
18325999877,0cyclictest16613-21ssh21:35:120
18325999876,0cyclictest8560-21ssh21:18:260
18325999872,0cyclictest10228-21latency_hist22:30:030
18325999869,0cyclictest27548-21ssh21:58:230
18325999868,0cyclictest24510-21ssh23:00:070
18325999867,0cyclictest19799-21ssh22:50:090
18325999780,0cyclictest19256-21ssh22:49:100
18325999777,0cyclictest16745-21ssh23:52:210
18325999776,0cyclictest8574-21latency_hist23:35:020
18325999776,0cyclictest6064-21ssh23:29:540
18325999768,0cyclictest13533-21ssh22:37:040
18325999767,0cyclictest1614-21ssh23:20:130
18325999766,0cyclictest6174-21seq00:38:550
18325999764,0cyclictest9379-21ssh22:28:240
18325999679,0cyclictest1870-21ssh22:12:360
18325999678,0cyclictest7598-21ssh23:33:050
18325999674,0cyclictest27896-21ssh23:07:260
18325999670,0cyclictest1747-21ssh00:29:280
18325999667,0cyclictest29474-21sshd20:20:190
18325999666,0cyclictest20105-21ssh23:59:330
18325999578,0cyclictest2989-21ssh00:32:000
18325999577,0cyclictest4661-21ssh22:18:300
18325999575,0cyclictest24463-21ssh21:51:480
18325999572,0cyclictest11416-21ssh23:41:010
18325999564,0cyclictest32000-21ssh23:16:100
18325999564,0cyclictest19503-21seq19:15:090
18325999478,0cyclictest24458-21ssh00:08:380
18325999474,0cyclictest22572-21ssh21:47:510
18325999467,0cyclictest28995-21runrttasks20:17:350
18325999365,0cyclictest4503-21ssh21:09:570
18325999364,0cyclictest3056-21latency_hist20:59:560
18325999363,0cyclictest20562-21runrttasks19:20:060
18325999272,0cyclictest1522-21latency_hist20:49:550
18325999174,0cyclictest28569-21grep20:14:540
18325999173,0cyclictest23460-21latency_hist19:39:540
18325999163,0cyclictest3362-21chrt21:01:580
18325999075,0cyclictest24924-21wc19:49:540
18325999073,0cyclictest2082-21seq20:53:450
18325999063,0cyclictest20038-21kworker/u2:619:34:520
18325998973,0cyclictest24503-21sshd19:47:080
18325998971,0cyclictest27245-21runrttasks20:05:240
18325998971,0cyclictest26366-21wc19:59:530
18325998971,0cyclictest21561-21chrt19:27:160
18325998969,0cyclictest27075-21sh20:04:530
18325998966,0cyclictest31114-21seq20:30:070
18325998965,0cyclictest30053-21apt-get20:25:190
18325998872,0cyclictest32462-21awk20:39:540
18325998869,0cyclictest23362-21sendmail19:39:520
18325998768,0cyclictest704-21seq20:44:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional