You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-27 - 04:29

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 #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 Wed May 27, 2026 00:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
133044699566,25cyclictest0-21swapper/1421:51:496
418998530,52rtkit-daemon0-21swapper/1319:06:315
1330414994747,0cyclictest0-21swapper/619:10:1512
132980924745,1sleep50-21swapper/519:08:0911
132962324543,1sleep60-21swapper/619:05:4612
132986524341,1sleep140-21swapper/1419:08:506
1330409994139,2cyclictest1565697-21kworker/u32:2+events_unbound23:30:1810
132984024139,1sleep120-21swapper/1219:08:334
132972424139,1sleep40-21swapper/419:07:0410
1330418994040,0cyclictest0-21swapper/723:41:0513
132992624038,1sleep90-21swapper/919:09:3415
132988724038,1sleep10-21swapper/119:09:091
132989523937,1sleep80-21swapper/819:09:1714
1330434993838,0cyclictest0-21swapper/1119:50:413
1330434993837,0cyclictest0-21swapper/1123:41:053
1330418993838,0cyclictest0-21swapper/723:01:1713
1330402993837,1cyclictest1359531-21kworker/u32:1+events_unbound19:42:488
132990923836,1sleep150-21swapper/1519:09:237
132979423836,1sleep70-21swapper/719:07:5613
1330446993712,25cyclictest2779210-21thunderbird21:18:516
1330434993736,1cyclictest1512653-21kworker/u32:0+events_unbound22:20:203
132995623735,1sleep20-21swapper/219:09:588
132983923735,1sleep110-21swapper/1119:08:323
1330409993636,0cyclictest0-21swapper/423:41:0410
132977223634,1sleep30-21swapper/319:07:359
132891623634,1sleep00-21swapper/019:05:240
1330418993535,0cyclictest0-21swapper/721:29:2913
1330418993535,0cyclictest0-21swapper/719:50:4113
1330418993534,1cyclictest1339218-21kworker/u32:3+events_unbound19:55:1413
1330409993535,0cyclictest0-21swapper/400:20:5010
133044299340,1cyclictest0-21swapper/1322:37:065
1330434993434,0cyclictest0-21swapper/1123:10:273
1330434993433,1cyclictest1642205-21kworker/u32:2+events_unbound00:00:173
1330418993433,1cyclictest1423303-21kworker/u32:4+events_unbound21:05:1813
1330409993434,0cyclictest0-21swapper/422:59:0410
1330409993434,0cyclictest0-21swapper/421:59:2310
132645323431,2sleep100-21swapper/1019:05:032
133044699339,11cyclictest0-21swapper/1422:35:456
1330438993330,3cyclictest1774-21snmpd21:27:334
1330434993332,1cyclictest2779210-21thunderbird22:18:033
1330434993332,1cyclictest2779210-21thunderbird22:18:023
1330428993329,3cyclictest1774-21snmpd20:45:402
1330418993333,0cyclictest0-21swapper/723:10:2713
1330418993333,0cyclictest0-21swapper/723:08:0013
1330418993331,2cyclictest0-21swapper/719:13:1813
133040799330,30cyclictest0-21swapper/320:46:029
1330401993329,4cyclictest1774-21snmpd23:23:521
133044299320,1cyclictest0-21swapper/1300:16:015
1330434993232,0cyclictest0-21swapper/1121:29:283
1330428993230,1cyclictest1350633-21kworker/10:0+events20:37:002
1330428993230,1cyclictest1350633-21kworker/10:0+events20:30:112
1330428993230,1cyclictest1350633-21kworker/10:0+events19:38:182
133042899320,1cyclictest0-21swapper/1019:16:592
133042899320,1cyclictest0-21swapper/1019:16:592
1330423993230,2cyclictest0-21swapper/922:46:4515
1330423993229,3cyclictest1774-21snmpd20:42:2615
1330418993223,7cyclictest2779309-21WRScene~ilder#121:31:2713
1330418993221,9cyclictest1484476-21gmain22:35:1313
1330418993221,11cyclictest2779309-21WRScene~ilder#100:09:5213
133041899320,31cyclictest2779277-21Renderer21:20:0313
1330414993231,1cyclictest1381423-21kworker/u32:0+flush-259:020:15:1512
133041299320,29cyclictest0-21swapper/519:35:1411
1330409993232,0cyclictest0-21swapper/421:29:2910
1330407993229,3cyclictest1774-21snmpd22:33:009
133039799320,29cyclictest0-21swapper/019:25:140
133044699310,30cyclictest3318-21Xorg23:39:586
1330442993130,1cyclictest1774-21snmpd21:13:245
133043899310,30cyclictest0-21swapper/1220:39:254
133043899310,30cyclictest0-21swapper/1220:27:014
1330434993131,0cyclictest0-21swapper/1121:55:463
1330434993130,1cyclictest1512653-21kworker/u32:0+events_unbound23:35:173
1330434993130,0cyclictest0-21swapper/1122:46:183
1330428993130,1cyclictest1554797-21kworker/10:0+events23:34:132
1330428993130,1cyclictest1554797-21kworker/10:0+events23:10:092
1330428993130,1cyclictest1554797-21kworker/10:0+events00:06:312
1330428993130,1cyclictest1515611-21kworker/10:1+events22:46:462
1330428993130,1cyclictest1466384-21kworker/10:2+events21:49:172
1330428993130,1cyclictest1350633-21kworker/10:0+events21:18:582
1330428993130,1cyclictest1162712-21kworker/10:2+events19:29:502
1330428993129,1cyclictest1664746-21kworker/10:2+events00:36:332
1330428993129,1cyclictest1664746-21kworker/10:2+events00:31:142
1330428993129,1cyclictest1554797-21kworker/10:0+events23:09:482
1330428993129,1cyclictest1554797-21kworker/10:0+events22:57:302
1330428993129,1cyclictest1554797-21kworker/10:0+events22:52:272
1330428993129,1cyclictest1554797-21kworker/10:0+events00:00:572
1330428993129,1cyclictest1466384-21kworker/10:2+events21:58:072
1330428993129,1cyclictest1466384-21kworker/10:2+events21:37:352
1330428993129,1cyclictest1350633-21kworker/10:0+events20:53:572
1330428993129,1cyclictest1350633-21kworker/10:0+events20:26:582
1330428993129,1cyclictest1350633-21kworker/10:0+events20:13:132
1330428993129,1cyclictest1350633-21kworker/10:0+events20:06:162
1330428993129,1cyclictest1350633-21kworker/10:0+events19:45:102
1330428993129,1cyclictest1350633-21kworker/10:0+events19:40:432
1330428993129,1cyclictest1162712-21kworker/10:2+events19:21:162
1330428993129,1cyclictest1162712-21kworker/10:2+events19:21:162
133042899310,30cyclictest0-21swapper/1023:41:402
1330423993130,1cyclictest1544698-21ethtool22:35:1415
1330423993130,1cyclictest1466871-21ethtool21:35:1515
1330418993131,0cyclictest0-21swapper/723:19:0413
1330418993131,0cyclictest0-21swapper/720:23:1713
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional