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2025-11-03 - 11:58

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #7, slot #2

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 
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack7slot2s.osadl.org (updated Mon Nov 03, 2025 00:49:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
132279199290171,70cyclictest1363076-21ssh22:44:240
132279199290171,70cyclictest1363076-21ssh22:44:240
132279199276161,100cyclictest1352424-21latency_hist21:55:040
132279199276161,100cyclictest1352424-21latency_hist21:55:040
132279199276131,123cyclictest1333605-21kworker/u10:2-rpciod20:32:040
132279199276131,123cyclictest1333605-21kworker/u10:2-rpciod20:32:030
132279199273172,63cyclictest1380045-21kworker/u9:3+rpciod00:31:580
132279199269172,62cyclictest1332470-21ntpq20:06:510
132279199269172,62cyclictest1332470-21ntpq20:06:510
132279199266146,107cyclictest0-21swapper/023:05:050
132279199266146,107cyclictest0-21swapper/023:05:050
132279199265173,59cyclictest0-21swapper/000:12:110
132279199265173,59cyclictest0-21swapper/000:12:110
132279199264152,95cyclictest0-21swapper/000:06:340
132279199264152,95cyclictest0-21swapper/000:06:330
132279199263154,90cyclictest1336589-21kworker/u10:6+rpciod21:08:230
132279199263154,90cyclictest1336589-21kworker/u10:6+rpciod21:08:230
132279199262195,54cyclictest1368441-21ssh23:10:020
132279199262195,54cyclictest1368441-21ssh23:10:020
132279199261175,70cyclictest0-21swapper/021:11:300
132279199261175,70cyclictest0-21swapper/021:11:300
132279199260160,78cyclictest1324431-21kworker/u10:7-rpciod19:45:370
132279199260160,78cyclictest1324431-21kworker/u10:7-rpciod19:45:370
132279199259204,42cyclictest717-21lldpd23:45:580
132279199259204,42cyclictest717-21lldpd23:45:580
132279199259187,41cyclictest1372180-21kworker/u9:5+rpciod23:57:000
132279199259187,41cyclictest1372180-21kworker/u9:5+rpciod23:57:000
132279199259166,47cyclictest1375852-21kworker/u10:2+rpciod23:50:560
132279199259166,47cyclictest1375852-21kworker/u10:2+rpciod23:50:550
132279199259128,94cyclictest0-21swapper/019:15:480
132279199259128,94cyclictest0-21swapper/019:15:470
132279199258187,40cyclictest1331527-21ntpq20:00:590
132279199258187,40cyclictest1331527-21ntpq20:00:590
132279199258170,55cyclictest1307899-21kworker/u9:7+xprtiod19:30:120
132279199256202,41cyclictest1374182-21memory23:35:540
132279199256202,41cyclictest1374182-21memory23:35:540
132279199256172,71cyclictest1350535-21ssh21:45:200
132279199256172,71cyclictest1350535-21ssh21:45:200
132279199256169,72cyclictest0-21swapper/022:00:010
132279199256163,77cyclictest0-21swapper/022:27:050
132279199256163,77cyclictest0-21swapper/022:27:050
132279199256153,47cyclictest1364528-21/usr/sbin/munin22:50:460
132279199256133,83cyclictest1343793-21kworker/u9:4+rpciod21:30:520
132279199256133,83cyclictest1343793-21kworker/u9:4+rpciod21:30:520
132279199255185,40cyclictest1349739-21/usr/sbin/munin21:41:190
132279199254157,67cyclictest1364102-21kworker/u9:5+rpciod23:15:030
132279199254157,67cyclictest1364102-21kworker/u9:5+rpciod23:15:030
132279199254141,99cyclictest1348454-21df21:35:350
132279199254141,99cyclictest1348454-21df21:35:350
132279199254124,113cyclictest1335291-21kworker/u10:5-rpciod20:37:000
132279199253164,33cyclictest1372341-21/usr/sbin/munin23:27:110
132279199252149,88cyclictest717-21lldpd21:00:560
132279199252149,88cyclictest717-21lldpd21:00:560
132279199251158,64cyclictest1354130-21/usr/sbin/munin22:01:570
132279199251158,64cyclictest1354130-21/usr/sbin/munin22:01:560
132279199251151,85cyclictest0-21swapper/022:45:170
132279199251151,85cyclictest0-21swapper/022:45:170
132279199250153,81cyclictest0-21swapper/019:41:100
132279199249133,97cyclictest1329442-21kworker/u9:10+rpciod19:57:230
132279199248178,43cyclictest1358846-21munin-plugin-st22:25:010
132279199248178,43cyclictest1358846-21munin-plugin-st22:25:010
132279199248162,71cyclictest1384315-21sh00:25:010
132279199248152,82cyclictest1327463-21ldconfig19:36:470
132279199248152,82cyclictest1327463-21ldconfig19:36:470
132279199246162,70cyclictest0-21swapper/023:30:510
132279199246162,70cyclictest0-21swapper/023:30:510
132279199245148,82cyclictest0-21swapper/022:30:380
132279199245141,88cyclictest0-21swapper/020:41:540
132279199245141,88cyclictest0-21swapper/020:41:540
132279199245127,105cyclictest1369823-21/usr/sbin/munin23:15:520
132279199244142,87cyclictest1322790-21cyclictest19:21:550
132279199243167,63cyclictest0-21swapper/000:25:290
132279199243140,87cyclictest0-21swapper/021:16:300
132279199243112,110cyclictest1332774-21kworker/u9:2+rpciod20:46:340
132279199243112,110cyclictest1332774-21kworker/u9:2+rpciod20:46:330
132279399242201,25cyclictest0-21swapper/223:10:022
132279399242201,25cyclictest0-21swapper/223:10:022
132279199242190,40cyclictest1357221-21ntpq22:16:290
132279199242188,42cyclictest1365742-21ssh22:56:200
132279199242188,42cyclictest1365742-21ssh22:56:200
132279199242180,49cyclictest0-21swapper/020:25:520
132279199242180,49cyclictest0-21swapper/020:25:520
132279199242177,40cyclictest1386701-21fw_packets00:35:470
132279199242159,48cyclictest1361370-21/usr/sbin/munin22:35:530
132279199242159,48cyclictest1361370-21/usr/sbin/munin22:35:530
132279199242149,78cyclictest0-21swapper/022:11:100
132279199242149,78cyclictest0-21swapper/022:11:100
132279199241145,34cyclictest1332775-21kworker/u9:3+rpciod21:27:080
132279199241145,34cyclictest1332775-21kworker/u9:3+rpciod21:27:080
132279199241144,80cyclictest0-21swapper/000:01:570
132279199241144,80cyclictest0-21swapper/000:01:570
132279199241141,35cyclictest1340889-21find20:56:560
132279199241141,35cyclictest1340889-21find20:56:560
132279199240174,39cyclictest1333910-21/usr/sbin/munin20:15:420
132279199240141,86cyclictest1383255-21latency_hist00:20:050
132279199240141,86cyclictest1383255-21latency_hist00:20:040
132279199240140,83cyclictest0-21swapper/023:40:320
132279199239187,40cyclictest1340223-21timerwakeupswit20:52:060
132279199239187,40cyclictest1340223-21timerwakeupswit20:52:050
132279199238185,40cyclictest1333298-21ntp_states20:11:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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