You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-05 - 20:18

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 #5, slot #3

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 rack5slot3s.osadl.org (updated Wed Aug 05, 2026 12:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31742204166,25sleep00-21swapper/007:08:140
32242203167,24sleep30-21swapper/307:08:533
29582202165,25sleep10-21swapper/107:05:211
29442202167,23sleep20-21swapper/207:05:102
1890621410,2sleep2340699cyclictest10:50:242
340699106102,3cyclictest0-21swapper/211:34:282
3406996865,2cyclictest0-21swapper/208:01:552
312862560,1sleep20-21swapper/210:05:212
293392540,3sleep20-21swapper/212:30:012
12872520,1sleep00-21swapper/012:39:450
301532460,1sleep10-21swapper/112:30:161
3394993912,13cyclictest11330-21munin-run08:10:010
339499389,13cyclictest22217-21munin-run09:40:020
3406993733,3cyclictest0-21swapper/212:33:072
339499378,13cyclictest23435-21munin-run09:50:000
339499367,13cyclictest10876-21idleruntime-cro10:35:010
339499321,11cyclictest10682-21kworker/0:008:20:470
340199301,23cyclictest0-21swapper/110:01:551
340199300,5cyclictest0-21swapper/111:20:221
340199300,5cyclictest0-21swapper/111:20:221
339499305,12cyclictest25632-21munin-run09:55:000
3394993011,16cyclictest9285-21munin-run11:45:010
339499295,11cyclictest392-21basename11:25:010
339499295,11cyclictest392-21basename11:25:010
340199271,18cyclictest0-21swapper/110:10:421
340199271,12cyclictest0-21swapper/109:16:091
340199271,11cyclictest21365-21hddtemp_smartct12:10:161
340699261,4cyclictest0-21swapper/211:56:222
3406992614,7cyclictest23057-40dnf09:45:252
340199262,11cyclictest13141-21munin-run08:25:021
340199262,10cyclictest0-21swapper/109:14:271
340199261,11cyclictest21281-21timerwakeupswit10:55:251
340199260,4cyclictest31918-21kworker/u8:010:38:421
339499262,11cyclictest14349-21munin-run08:35:010
339499261,4cyclictest0-21swapper/010:16:120
339499261,12cyclictest13758-21idleruntime-cro08:30:020
98592251,20sleep310064-21perl11:45:153
341199251,17cyclictest0-21swapper/310:45:213
340199251,4cyclictest0-21swapper/112:25:061
340199251,3cyclictest0-21swapper/109:28:041
340199250,6cyclictest0-21swapper/112:05:361
340199250,6cyclictest0-21swapper/111:13:231
339499252,16cyclictest6096-21kworker/0:207:36:010
341199241,8cyclictest0-21swapper/311:18:203
340699247,8cyclictest87350irq/126-enp1s0-10:10:232
340699244,8cyclictest5672-21perl11:35:162
340699241,6cyclictest0-21swapper/211:07:062
340199249,3cyclictest11486-21munin-run11:50:011
340199241,6cyclictest0-21swapper/112:35:031
340199241,12cyclictest0-21swapper/109:33:211
340199241,11cyclictest2640-21diskstats10:15:141
340199241,11cyclictest24925-21awk09:50:201
340199241,11cyclictest23663-21users11:00:261
340199240,6cyclictest0-21swapper/111:34:171
340199240,5cyclictest0-21swapper/111:37:571
340199240,5cyclictest0-21swapper/111:27:091
340199240,5cyclictest0-21swapper/109:35:181
341199235,4cyclictest18584-21diskmemload09:45:243
340699238,7cyclictest87350irq/126-enp1s0-10:25:192
340699236,9cyclictest12527-21sh08:20:002
340699235,9cyclictest13736-21latency_hist08:30:012
340699234,6cyclictest24927-21awk12:20:012
340699231,7cyclictest0-21swapper/211:50:132
3406992310,5cyclictest87350irq/126-enp1s0-11:40:212
340199231,6cyclictest0-21swapper/111:59:031
340199231,3cyclictest14346-21perf08:35:011
340199231,2cyclictest0-21swapper/110:23:191
340199231,19cyclictest25490-21diskstats12:20:141
340199231,16cyclictest0-21swapper/111:07:361
340199231,10cyclictest0-21swapper/110:32:221
340199230,6cyclictest0-21swapper/111:16:461
340199230,14cyclictest0-21swapper/109:45:241
339499231,3cyclictest0-21swapper/009:31:270
143482230,1sleep30-21swapper/308:35:013
341199226,6cyclictest0-21swapper/311:27:093
341199225,10cyclictest0-21swapper/310:22:383
341199221,9cyclictest87350irq/126-enp1s0-09:15:013
341199221,6cyclictest0-21swapper/312:30:583
341199221,5cyclictest25131-21kworker/u8:012:24:183
341199221,4cyclictest0-21swapper/312:30:023
341199221,3cyclictest0-21swapper/312:35:433
341199221,16cyclictest0-21swapper/311:05:283
340699221,8cyclictest311ktimersoftd/209:35:022
340699221,4cyclictest0-21swapper/210:03:062
340699221,12cyclictest0-21swapper/212:35:182
340699220,11cyclictest10573-21ntp_states11:45:222
340199221,10cyclictest18583-21latency_hist09:10:011
3401992210,2cyclictest0-21swapper/109:55:131
339499226,8cyclictest18925-21wc10:50:250
339499221,3cyclictest0-21swapper/012:08:480
341199216,5cyclictest0-21swapper/311:58:073
341199213,9cyclictest0-21swapper/311:35:153
341199213,3cyclictest0-21swapper/310:38:313
341199211,5cyclictest0-21swapper/309:57:183
341199211,5cyclictest0-21swapper/309:29:053
341199211,4cyclictest0-21swapper/310:07:003
341199211,4cyclictest0-21swapper/310:00:583
3411992114,4cyclictest15549-40dnf08:45:013
3411992114,3cyclictest0-21swapper/310:55:573
341199210,7cyclictest0-21swapper/311:11:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional