You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-01-05 - 10:25

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 Mon Jan 05, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24667212094,21sleep00-21swapper/019:07:340
24712211896,16sleep30-21swapper/319:08:103
24623211796,16sleep20-21swapper/219:07:002
24526210997,6sleep10-21swapper/119:05:471
289462880,3sleep09-21ksoftirqd/020:40:000
99922710,0sleep10-21swapper/121:10:191
24885993215,16cyclictest0-21swapper/019:35:120
2488599220,19cyclictest0-21swapper/023:55:120
306842210,1sleep10-21swapper/123:27:591
306842210,1sleep10-21swapper/123:27:581
24887992117,2cyclictest0-21swapper/120:05:121
2488599210,19cyclictest0-21swapper/019:40:140
2488599200,19cyclictest0-21swapper/023:15:110
2488599200,18cyclictest0-21swapper/020:15:140
168222200,1sleep20-21swapper/221:19:132
2489199190,4cyclictest0-21swapper/300:26:053
2489199190,14cyclictest0-21swapper/323:56:043
2488599190,4cyclictest0-21swapper/021:54:040
2488599190,3cyclictest0-21swapper/022:09:040
253752180,1sleep011-21rcuc/021:29:120
24891991815,2cyclictest8485-21kworker/u8:121:08:053
24891991815,2cyclictest6876-21kworker/u8:019:49:043
24891991815,2cyclictest29673-21kworker/u8:122:17:053
2489199180,4cyclictest11046-21ssh22:27:043
2489199180,13cyclictest0-21swapper/320:33:053
2489199180,13cyclictest0-21swapper/319:33:053
24890991815,2cyclictest20317-21kworker/u8:222:45:052
2489099181,2cyclictest0-21swapper/222:27:042
2489099180,16cyclictest0-21swapper/222:04:042
2488599180,12cyclictest0-21swapper/023:44:050
24891991714,2cyclictest31827-21kworker/u8:123:08:053
24891991714,2cyclictest25208-21kworker/u8:120:52:053
24891991714,2cyclictest24776-21kworker/u8:121:33:053
24891991714,2cyclictest24651-21kworker/u8:023:21:053
24891991714,2cyclictest20317-21kworker/u8:222:44:053
24891991714,2cyclictest18645-21kworker/u8:020:48:043
24891991714,2cyclictest18645-21kworker/u8:020:36:043
24891991714,2cyclictest17331-21kworker/u8:223:13:053
24891991714,2cyclictest15108-21kworker/u8:220:15:053
24891991714,2cyclictest14529-21kworker/u8:121:55:043
24891991714,2cyclictest10649-21kworker/u8:123:51:043
2489199171,3cyclictest0-21swapper/300:35:203
2489199171,14cyclictest2221-21apt-get21:40:123
2489199170,2cyclictest0-21swapper/321:21:053
24890991713,2cyclictest29882-21kworker/u8:000:13:042
24890991712,3cyclictest5761-21rsyslogd19:44:592
24890991711,5cyclictest0-21swapper/221:41:042
2489099170,15cyclictest0-21swapper/223:00:112
24891991613,2cyclictest8485-21kworker/u8:121:18:053
24891991613,2cyclictest6876-21kworker/u8:019:55:053
24891991613,2cyclictest31827-21kworker/u8:123:04:043
24891991613,2cyclictest3052-21kworker/u8:219:22:043
24891991613,2cyclictest25885-21kworker/u8:022:59:053
24891991613,2cyclictest25208-21kworker/u8:120:42:053
24891991613,2cyclictest21857-21kworker/u8:000:34:053
24891991613,2cyclictest21304-21kworker/u8:200:03:043
24891991613,2cyclictest18971-21kworker/u8:022:00:043
24891991613,2cyclictest15108-21kworker/u8:220:29:053
24891991613,2cyclictest12468-21kworker/u8:023:15:053
24891991613,2cyclictest11002-21kworker/u8:120:06:053
24891991613,2cyclictest11002-21kworker/u8:120:02:053
2489199161,13cyclictest5348-21hddtemp_smartct19:40:173
2489199160,2cyclictest0-21swapper/321:37:033
2489199160,2cyclictest0-21swapper/321:26:053
2489099162,2cyclictest0-21swapper/221:12:052
24890991613,2cyclictest2317-21kworker/u8:022:21:052
24890991613,2cyclictest12468-21kworker/u8:023:10:052
2489099161,2cyclictest32069-21apt-get23:30:112
24890991612,2cyclictest0-21swapper/223:45:012
2489099160,14cyclictest0-21swapper/223:15:112
24887991611,3cyclictest9076-21fschecks_count22:25:151
2488799160,14cyclictest0-21swapper/100:20:061
160792160,1sleep2301ktimersoftd/222:33:292
24891991512,2cyclictest733-21kworker/u8:220:56:053
24891991512,2cyclictest6876-21kworker/u8:019:52:053
24891991512,2cyclictest29882-21kworker/u8:000:14:043
24891991512,2cyclictest24651-21kworker/u8:023:28:053
24891991512,2cyclictest24651-21kworker/u8:023:28:043
24891991512,2cyclictest2205-21kworker/u8:219:36:053
24891991510,3cyclictest26636-21memory22:45:183
2489199150,3cyclictest0-21swapper/323:45:163
2489199150,13cyclictest0-21swapper/323:40:133
2489199150,13cyclictest0-21swapper/322:51:213
2489199150,13cyclictest0-21swapper/300:17:523
24890991512,2cyclictest9558-21kworker/u8:222:12:052
24890991512,2cyclictest26752-21kworker/u8:119:44:052
24890991512,2cyclictest24776-21kworker/u8:121:47:052
24890991512,2cyclictest18645-21kworker/u8:020:47:052
24890991512,2cyclictest13243-21kworker/u8:221:25:042
24890991512,2cyclictest10649-21kworker/u8:100:08:052
2489099150,2cyclictest0-21swapper/200:02:052
2489099150,13cyclictest0-21swapper/223:45:112
2489099150,13cyclictest0-21swapper/222:51:282
2489099150,10cyclictest0-21swapper/221:07:052
2488799151,12cyclictest27818-21irqstats19:15:191
2488799151,12cyclictest17204-21apt-get22:35:121
24887991510,3cyclictest0-21swapper/122:43:531
2488799150,3cyclictest22918-21latency_hist00:35:001
2488799150,3cyclictest0-21swapper/122:20:151
2488799150,13cyclictest0-21swapper/123:05:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional