You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-08 - 02:13

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 #e, slot #5

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 rackeslot5s.osadl.org (updated Thu May 07, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1678699250,24cyclictest10166-21diskmemload10:09:563
1678699250,24cyclictest0-21swapper/312:01:103
1678699250,24cyclictest0-21swapper/307:21:303
1678599250,24cyclictest0-21swapper/210:45:002
16784992523,1cyclictest0-21swapper/112:30:121
16784992523,1cyclictest0-21swapper/112:21:591
16784992523,1cyclictest0-21swapper/109:36:471
1678499250,2cyclictest7574-21rm10:04:291
1678499250,24cyclictest25600-21ssh11:16:361
16783992523,1cyclictest0-21swapper/012:36:360
16783992522,2cyclictest606-21dbus-daemon11:55:000
1678399250,24cyclictest24832-21sh09:21:550
1678399250,24cyclictest10166-21diskmemload09:50:030
1678399250,24cyclictest10156-21rm12:29:160
16786992424,0cyclictest0-21swapper/311:30:213
16786992423,1cyclictest19525-21ssh10:42:113
16786992421,2cyclictest20584-21cron12:10:013
1678699240,0cyclictest0-21swapper/312:27:313
16785992421,2cyclictest10297-21cron10:35:012
16785992420,2cyclictest0-21swapper/211:37:432
16785992420,1cyclictest10166-21diskmemload09:18:162
1678599240,24cyclictest0-21swapper/212:17:222
1678599240,23cyclictest1288-21ssh11:23:352
1678599240,23cyclictest10166-21diskmemload12:10:042
1678599240,23cyclictest10166-21diskmemload10:51:392
1678599240,23cyclictest0-21swapper/211:08:392
1678599240,1cyclictest0-21swapper/210:58:252
16784992423,1cyclictest0-21swapper/111:23:281
16784992422,1cyclictest0-21swapper/109:10:151
1678499240,24cyclictest0-21swapper/111:31:461
1678499240,24cyclictest0-21swapper/110:37:011
1678499240,23cyclictest16860-21sh10:40:551
1678499240,23cyclictest0-21swapper/109:32:131
1678499240,1cyclictest4935-21ssh10:30:051
1678499240,0cyclictest10166-21diskmemload11:26:091
1678499240,0cyclictest0-21swapper/112:15:421
16783992424,0cyclictest0-21swapper/009:47:360
16783992422,1cyclictest0-21swapper/012:18:090
16783992422,1cyclictest0-21swapper/011:25:550
16783992420,3cyclictest30498-21rm10:51:460
1678399240,2cyclictest15467-21rm10:39:240
1678399240,24cyclictest0-21swapper/009:41:390
1678399240,23cyclictest6498-21apt-get07:56:300
1678399240,23cyclictest62550irq/127-eno111:38:290
1678399240,23cyclictest29890-21sh10:23:350
1678399240,23cyclictest12449-21ssh11:05:130
1678399240,23cyclictest0-21swapper/009:30:020
1678399240,22cyclictest0-21swapper/010:29:450
1678399240,1cyclictest0-21swapper/012:11:400
16786992323,0cyclictest0-21swapper/310:24:343
16786992323,0cyclictest0-21swapper/310:10:573
16786992323,0cyclictest0-21swapper/309:10:573
16786992322,1cyclictest32449-21ssh12:20:263
16786992321,1cyclictest16369-21ssh09:15:243
16786992321,1cyclictest15448-21ssh10:39:233
16786992321,1cyclictest10166-21diskmemload11:15:593
1678699230,2cyclictest3182-21rm10:28:373
1678699230,23cyclictest0-21swapper/312:35:183
1678699230,23cyclictest0-21swapper/311:21:043
1678699230,23cyclictest0-21swapper/309:57:003
1678699230,23cyclictest0-21swapper/309:35:073
1678699230,22cyclictest783-21snmpd09:26:493
1678699230,22cyclictest5978-21cut11:56:353
1678699230,22cyclictest26554-21ssh12:15:113
1678699230,22cyclictest25064-21chrt10:46:583
1678699230,22cyclictest24291-21sh09:50:593
1678699230,22cyclictest21799-21ssh09:20:083
1678699230,0cyclictest0-21swapper/312:14:113
1678699230,0cyclictest0-21swapper/311:07:353
1678699230,0cyclictest0-21swapper/311:00:113
16785992323,0cyclictest0-21swapper/212:23:552
16785992323,0cyclictest0-21swapper/211:33:032
16785992323,0cyclictest0-21swapper/210:48:462
16785992323,0cyclictest0-21swapper/209:29:002
16785992322,1cyclictest10166-21diskmemload09:43:482
16785992322,0cyclictest10166-21diskmemload09:11:242
16785992321,1cyclictest21587-21perf07:20:012
16785992320,3cyclictest0-21swapper/212:27:502
16785992320,2cyclictest23775-21ssh11:15:172
16785992320,2cyclictest10552-21sh11:03:002
1678599230,2cyclictest8915-21diskmemload10:06:012
1678599230,2cyclictest18613-21taskset09:45:522
1678599230,23cyclictest0-21swapper/211:40:462
1678599230,23cyclictest0-21swapper/210:28:112
1678599230,22cyclictest6474-21perf09:35:012
1678599230,22cyclictest10166-21diskmemload09:20:412
1678599230,0cyclictest12166-21apt-get12:31:322
1678599230,0cyclictest10166-21diskmemload10:21:332
1678599230,0cyclictest0-21swapper/212:01:432
1678599230,0cyclictest0-21swapper/211:53:342
1678599230,0cyclictest0-21swapper/209:51:332
1678599230,0cyclictest0-21swapper/209:39:232
16784992323,0cyclictest10166-21diskmemload11:36:421
16784992323,0cyclictest0-21swapper/112:10:431
16784992323,0cyclictest0-21swapper/111:55:461
16784992323,0cyclictest0-21swapper/110:59:341
16784992323,0cyclictest0-21swapper/110:28:111
16784992323,0cyclictest0-21swapper/110:22:051
16784992323,0cyclictest0-21swapper/109:47:381
16784992321,1cyclictest22-21ksoftirqd/107:20:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional