You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-17 - 08:35

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 #0, slot #4

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 rack0slot4s.osadl.org (updated Mon Nov 17, 2025 00:46:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14654592380332,14sleep20-21swapper/219:09:088
14655062367320,15sleep80-21swapper/819:09:4514
14652892367324,15sleep70-21swapper/719:06:4713
14654682365343,14sleep110-21swapper/1119:09:163
14654522362342,13sleep120-21swapper/1219:09:014
14655152361320,14sleep150-21swapper/1519:09:527
14652412360353,5sleep10-21swapper/119:06:091
14652442359338,14sleep40-21swapper/419:06:1210
14654672355347,5sleep100-21swapper/1019:09:152
14654392353332,14sleep00-21swapper/019:08:490
14654602349327,15sleep30-21swapper/319:09:089
14653782349326,15sleep140-21swapper/1419:07:586
14652362349325,15sleep130-21swapper/1319:06:055
14652882348326,15sleep60-21swapper/619:06:4612
14653692347325,14sleep50-21swapper/519:07:4911
14653112344322,15sleep90-21swapper/919:07:0515
14659649910736,44cyclictest0-21swapper/1421:20:596
1465966999536,30cyclictest0-21swapper/1521:20:597
1465960999435,29cyclictest0-21swapper/1321:20:595
1465938999336,28cyclictest0-21swapper/621:20:5912
1465925999322,43cyclictest0-21swapper/221:21:008
1465944998930,30cyclictest0-21swapper/821:21:0114
1465928994718,29cyclictest0-21swapper/321:21:019
1465935994241,1cyclictest3411-21Xorg21:20:5911
1465928994242,0cyclictest0-21swapper/319:17:449
1465919993938,1cyclictest3411-21Xorg21:21:000
1465950993837,1cyclictest3411-21Xorg21:21:002
1465941993837,1cyclictest3411-21Xorg21:20:5913
1465954993635,1cyclictest3411-21Xorg21:21:013
1465950993636,0cyclictest0-21swapper/1021:55:252
146593599360,23cyclictest0-21swapper/523:17:1611
1465935993410,11cyclictest0-21swapper/520:43:3011
1465935993410,11cyclictest0-21swapper/520:43:3011
1465950993332,1cyclictest1636000-21kworker/u32:4+flush-259:023:55:162
146596499320,29cyclictest0-21swapper/1423:55:166
146593399320,1cyclictest0-21swapper/423:49:5810
146593399320,1cyclictest0-21swapper/423:49:5810
146591999320,29cyclictest0-21swapper/019:50:160
146591999320,1cyclictest0-21swapper/020:09:500
146596099310,30cyclictest0-21swapper/1320:45:155
146596099310,30cyclictest0-21swapper/1320:45:155
146595899310,30cyclictest0-21swapper/1219:30:174
1465954993130,1cyclictest2395797-21snmpd19:32:213
1465950993130,1cyclictest2395797-21snmpd19:36:152
146595099310,30cyclictest0-21swapper/1020:30:012
1465948993130,1cyclictest2395797-21snmpd22:43:4715
146594499310,30cyclictest0-21swapper/823:05:2014
1465941993130,1cyclictest2395797-21snmpd20:32:2213
1465941993130,1cyclictest2395797-21snmpd00:28:0213
146594199310,30cyclictest0-21swapper/723:39:2813
146593599310,30cyclictest0-21swapper/520:33:4611
146593599310,30cyclictest0-21swapper/500:23:5911
146593399310,30cyclictest0-21swapper/422:52:1510
1465928993130,1cyclictest2395797-21snmpd23:10:309
146592899310,31cyclictest0-21swapper/300:01:409
146592599310,30cyclictest0-21swapper/219:49:278
146592399310,30cyclictest0-21swapper/120:45:241
146592399310,30cyclictest0-21swapper/120:45:231
146592399310,30cyclictest0-21swapper/120:04:491
146591999310,30cyclictest0-21swapper/020:46:170
146591999310,30cyclictest0-21swapper/020:46:170
146591999310,30cyclictest0-21swapper/019:57:540
1465966993029,1cyclictest2395797-21snmpd22:30:207
1465966993029,1cyclictest2395797-21snmpd21:46:407
146596699300,30cyclictest66450irq/154-i91519:57:247
146596699300,30cyclictest0-21swapper/1522:56:487
1465960993029,1cyclictest2395797-21snmpd00:24:295
146596099300,30cyclictest0-21swapper/1321:04:085
146596099300,1cyclictest0-21swapper/1322:06:255
1465958993029,1cyclictest2395797-21snmpd22:54:094
146595899300,30cyclictest0-21swapper/1221:59:464
146595899300,29cyclictest0-21swapper/1219:42:034
146595899300,29cyclictest0-21swapper/1200:14:394
146595899300,1cyclictest0-21swapper/1221:10:074
1465954993029,1cyclictest0-21swapper/1123:08:243
146595499300,30cyclictest0-21swapper/1120:59:473
146595499300,30cyclictest0-21swapper/1119:17:023
146595499300,30cyclictest0-21swapper/1119:12:443
146595499300,29cyclictest0-21swapper/1122:25:593
146595499300,29cyclictest0-21swapper/1100:01:013
1465950993029,1cyclictest2395797-21snmpd22:12:142
146595099300,30cyclictest0-21swapper/1023:11:012
146595099300,29cyclictest0-21swapper/1020:09:112
1465948993029,1cyclictest2395797-21snmpd21:12:1515
1465948993029,1cyclictest2395797-21snmpd20:43:4715
1465948993029,1cyclictest2395797-21snmpd20:43:4715
1465948993029,1cyclictest2395797-21snmpd20:37:0215
1465948993029,1cyclictest0-21swapper/920:56:0615
146594199300,1cyclictest0-21swapper/722:39:4113
146593899300,29cyclictest0-21swapper/621:47:0112
1465935993029,1cyclictest2395797-21snmpd19:47:1211
1465935993029,1cyclictest0-21swapper/500:18:4111
146593399300,28cyclictest0-21swapper/421:20:5910
1465928993029,1cyclictest2395797-21snmpd19:55:069
1465928993029,1cyclictest2395797-21snmpd19:53:279
1465928993029,1cyclictest0-21swapper/322:54:349
1465928993028,1cyclictest1489871-21ethtool19:35:179
146592899300,30cyclictest0-21swapper/322:30:189
146592899300,30cyclictest0-21swapper/321:47:409
1465925993029,1cyclictest0-21swapper/219:37:578
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional