You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-05 - 23:08

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 Fri Dec 05, 2025 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
194642122101,16sleep30-21swapper/307:09:523
19428212095,20sleep00-21swapper/007:09:240
19323211896,16sleep10-21swapper/107:08:051
19474211796,16sleep20-21swapper/207:09:592
131372830,0sleep30-21swapper/311:27:473
253022770,0sleep20-21swapper/209:21:472
275692740,0sleep10-21swapper/109:25:071
275692740,0sleep10-21swapper/109:25:071
101262720,1sleep00-21swapper/008:55:000
19506994527,16cyclictest0-21swapper/211:00:122
19505993415,18cyclictest0-21swapper/108:55:091
254782250,1sleep3381ktimersoftd/309:56:323
23252250,0sleep20-21swapper/209:32:012
1950499231,20cyclictest24222-21ssh12:15:130
1950799220,20cyclictest0-21swapper/309:30:133
222462210,1sleep30-21swapper/309:53:513
1950799210,19cyclictest0-21swapper/310:20:113
1950499210,19cyclictest0-21swapper/010:20:100
1950799200,2cyclictest0-21swapper/310:35:133
1950799200,19cyclictest0-21swapper/310:30:123
1950599200,15cyclictest0-21swapper/110:12:051
1950499200,18cyclictest0-21swapper/009:15:110
1950499190,2cyclictest0-21swapper/011:25:110
19505991815,2cyclictest31930-21kworker/u8:210:39:051
19505991815,2cyclictest17532-21kworker/u8:309:56:011
19505991714,2cyclictest3317-21kworker/u8:011:20:051
19505991714,2cyclictest31830-21kworker/u8:108:05:051
19505991714,2cyclictest26012-21kworker/u8:212:16:051
19505991714,2cyclictest25971-21kworker/u8:109:31:051
1950599171,14cyclictest5874-21munin-node1
1950799160,3cyclictest0-21swapper/309:20:443
1950799160,14cyclictest4126-21grep08:25:133
1950799160,14cyclictest0-21swapper/309:36:233
19505991613,2cyclictest25560-21kworker/u8:111:10:051
19505991613,2cyclictest19467-21kworker/u8:112:24:041
19505991611,3cyclictest22116-21sendmail07:20:001
19504991611,3cyclictest9680-21copy10:49:590
1950799153,8cyclictest13293-21diskmemload11:45:253
1950799151,12cyclictest787-21apt-get11:15:123
1950799151,12cyclictest13480-21ssh12:37:503
1950799150,2cyclictest13293-21diskmemload12:25:133
1950799150,13cyclictest0-21swapper/312:14:493
1950799150,13cyclictest0-21swapper/311:39:433
1950799150,13cyclictest0-21swapper/309:18:543
1950699151,12cyclictest23125-21ssh11:39:042
19506991511,2cyclictest13293-21diskmemload12:02:582
19506991510,3cyclictest0-21swapper/211:18:272
1950699150,2cyclictest0-21swapper/211:25:112
1950699150,13cyclictest13293-21diskmemload09:11:582
1950699150,13cyclictest0-21swapper/210:41:382
1950699150,13cyclictest0-21swapper/208:40:252
19505991512,2cyclictest6552-21kworker/u8:210:16:021
19505991512,2cyclictest6552-21kworker/u8:210:06:051
19505991512,2cyclictest6552-21kworker/u8:209:38:041
19505991512,2cyclictest30918-21kworker/u8:211:16:051
19505991512,2cyclictest30243-21kworker/u8:111:48:051
19505991512,2cyclictest22843-21kworker/u8:011:55:051
19505991512,2cyclictest21204-21kworker/u8:209:21:051
19505991512,2cyclictest10375-21kworker/u8:009:16:041
1950599150,2cyclictest16472-21kworker/u8:110:27:051
1950599150,2cyclictest0-21swapper/111:50:161
1950499151,12cyclictest19256-21apt-get11:00:120
1950499150,13cyclictest0-21swapper/010:10:120
1950499150,13cyclictest0-21swapper/009:45:230
1950499150,13cyclictest0-21swapper/009:45:220
1950799149,3cyclictest6719-21ssh10:10:503
1950799142,8cyclictest13293-21diskmemload12:05:003
1950799142,6cyclictest0-21swapper/307:39:593
1950799141,7cyclictest0-21swapper/308:20:003
19507991411,2cyclictest3032-21copy08:20:043
19507991411,2cyclictest0-21swapper/310:01:033
1950799141,11cyclictest13050-21ssh10:53:003
19507991410,2cyclictest0-21swapper/312:15:343
1950799140,2cyclictest0-21swapper/312:07:133
1950799140,2cyclictest0-21swapper/311:51:333
1950799140,2cyclictest0-21swapper/310:42:123
1950799140,2cyclictest0-21swapper/310:27:533
1950799140,2cyclictest0-21swapper/309:13:323
1950799140,13cyclictest0-21swapper/311:08:223
1950799140,12cyclictest0-21swapper/311:42:573
1950799140,12cyclictest0-21swapper/311:11:213
1950799140,12cyclictest0-21swapper/311:03:393
1950799140,12cyclictest0-21swapper/310:06:033
1950699149,3cyclictest15975-21ssh10:20:432
1950699149,3cyclictest0-21swapper/209:45:122
1950699149,3cyclictest0-21swapper/209:45:112
1950699142,7cyclictest0-21swapper/207:30:002
1950699142,6cyclictest0-21swapper/208:54:592
1950699142,6cyclictest0-21swapper/208:25:002
1950699142,6cyclictest0-21swapper/208:04:592
19506991411,2cyclictest13293-21diskmemload09:53:382
19506991411,2cyclictest0-21swapper/211:59:472
19506991411,2cyclictest0-21swapper/211:32:172
19506991411,2cyclictest0-21swapper/209:44:482
19506991410,2cyclictest0-21swapper/212:10:062
19506991410,2cyclictest0-21swapper/210:01:452
1950699140,3cyclictest21666-21sed07:15:002
1950699140,2cyclictest0-21swapper/211:14:382
1950699140,2cyclictest0-21swapper/210:07:572
1950699140,13cyclictest0-21swapper/212:20:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional