You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-11 - 11:29

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 #3, slot #6

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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot6s.osadl.org (updated Sat Apr 11, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26640210897,6sleep20-21swapper/219:07:432
26640210897,6sleep20-21swapper/219:07:422
26678210579,21sleep00-21swapper/019:08:120
26678210579,21sleep00-21swapper/019:08:120
26043210384,14sleep10-21swapper/119:05:241
26043210384,14sleep10-21swapper/119:05:241
26728210184,12sleep30-21swapper/319:08:523
26728210184,12sleep30-21swapper/319:08:513
142812840,0sleep00-21swapper/023:26:400
92572810,0sleep20-21swapper/223:21:202
12822770,0sleep30-21swapper/323:14:163
121252690,0sleep00-21swapper/023:58:330
255992670,5sleep32684999cyclictest21:25:123
2684899320,2cyclictest0-21swapper/219:40:112
2684799280,26cyclictest0-21swapper/122:10:101
301342220,1sleep229-21rcuc/223:43:482
2684899221,19cyclictest0-21swapper/220:25:112
2684799221,19cyclictest0-21swapper/120:15:111
2684899211,2cyclictest0-21swapper/219:50:122
2684899210,19cyclictest10691-21diskmemload21:40:122
2684799210,2cyclictest0-21swapper/100:15:121
2684699210,19cyclictest0-21swapper/021:40:110
2684699210,19cyclictest0-21swapper/000:35:110
26849992017,2cyclictest0-21swapper/323:45:113
26848992017,2cyclictest0-21swapper/221:25:112
2684899200,2cyclictest0-21swapper/220:55:112
2684899200,15cyclictest0-21swapper/220:51:042
2684799202,16cyclictest23-21ksoftirqd/121:10:101
26846992017,2cyclictest0-21swapper/021:25:110
265082200,1sleep10-21swapper/123:05:591
26848991914,3cyclictest20143-21ssh23:00:112
2684899191,14cyclictest0-21swapper/221:36:042
2684899191,13cyclictest0-21swapper/221:12:012
2684899190,14cyclictest0-21swapper/219:37:042
2684899190,14cyclictest0-21swapper/219:21:042
2684699190,2cyclictest0-21swapper/019:40:120
26848991815,2cyclictest806-21kworker/u8:219:45:042
26848991714,2cyclictest17020-21kworker/u8:119:28:052
26848991714,2cyclictest17020-21kworker/u8:119:12:042
26848991713,2cyclictest10691-21diskmemload00:38:042
2684999161,13cyclictest0-21swapper/322:05:133
2684899161,3cyclictest0-21swapper/200:15:142
26848991613,2cyclictest9677-21kworker/u8:100:33:042
2684799161,3cyclictest10691-21diskmemload21:10:011
26847991612,2cyclictest207150irq/24-eth123:40:101
2684699160,14cyclictest15387-21fschecks_count20:00:140
26849991511,2cyclictest0-21swapper/323:51:003
26849991510,3cyclictest23633-21ssh00:10:153
26849991510,3cyclictest12507-21ssh22:51:073
26849991510,3cyclictest12507-21ssh22:51:063
2684999150,3cyclictest17761-21ssh22:56:503
2684899155,7cyclictest0-21swapper/223:48:012
2684899151,3cyclictest15790-21ssh21:15:082
2684899151,2cyclictest0-21swapper/222:32:052
26848991512,2cyclictest23162-21kworker/u8:020:22:042
26848991510,3cyclictest0-21swapper/221:47:552
2684899150,2cyclictest0-21swapper/220:46:052
2684899150,13cyclictest9677-21kworker/u8:100:24:242
2684899150,13cyclictest21201-21rm23:34:552
2684799151,13cyclictest23-21ksoftirqd/122:01:031
2684799151,12cyclictest9969-21cut19:45:501
2684799151,12cyclictest9071-21apt-get22:15:121
2684799151,12cyclictest32616-21cat22:05:161
2684799151,12cyclictest21-21rcuc/119:55:121
2684699157,5cyclictest0-21swapper/020:44:580
2684699151,3cyclictest19225-21ssh21:51:040
2684699151,12cyclictest27332-21expr19:10:120
26846991510,3cyclictest27558-21runrttasks20:30:150
2684699150,13cyclictest0-21swapper/022:35:140
141772150,2sleep00-21swapper/022:53:450
141772150,2sleep00-21swapper/022:53:450
2684999140,3cyclictest29463-21rm22:35:233
2684999140,3cyclictest14742-21munin-node3
2684999140,3cyclictest0-21swapper/300:32:513
2684999140,2cyclictest5174-21ssh00:25:133
2684999140,2cyclictest0-21swapper/300:20:173
2684999140,2cyclictest0-21swapper/300:01:053
2684999140,13cyclictest0-21swapper/321:50:143
2684999140,12cyclictest9031-21ssh22:15:083
2684999140,12cyclictest3649-21snmpd23:31:223
2684999140,12cyclictest22838-21ssh21:21:263
2684999140,12cyclictest0-21swapper/322:43:413
2684999140,12cyclictest0-21swapper/321:15:173
2684899149,3cyclictest16142-21python20:01:022
2684899141,3cyclictest0-21swapper/222:09:462
26848991411,2cyclictest769-21kworker/u8:022:46:042
26848991411,2cyclictest769-21kworker/u8:022:46:042
26848991411,2cyclictest10691-21diskmemload22:58:552
26848991411,2cyclictest0-21swapper/219:30:142
26848991411,2cyclictest0-21swapper/200:25:132
26848991410,2cyclictest0-21swapper/222:50:112
26848991410,2cyclictest0-21swapper/222:50:102
2684899140,2cyclictest0-21swapper/221:51:052
2684899140,13cyclictest0-21swapper/222:27:042
2684899140,12cyclictest11691-21ssh23:57:532
2684799142,6cyclictest0-21swapper/122:50:011
2684799142,6cyclictest0-21swapper/122:50:001
2684799141,11cyclictest0-21swapper/122:22:221
2684799140,3cyclictest27957-21ntp_states19:10:171
2684799140,2cyclictest0-21swapper/122:40:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional