You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-11 - 01:48

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 Wed Jun 10, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1827699250,24cyclictest16764-21latency_hist10:15:003
1827699250,24cyclictest11560-21diskmemload09:59:343
1827699250,24cyclictest0-21swapper/310:37:143
18271992522,2cyclictest13904-21ssh09:13:102
1827199250,24cyclictest16710-21ssh10:14:572
1826399251,24cyclictest62550irq/127-eno112:04:560
1826399250,24cyclictest28835-21ssh11:56:410
18276992423,1cyclictest0-21swapper/311:35:583
18276992422,1cyclictest28842-21ssh12:27:233
18276992422,1cyclictest0-21swapper/310:15:353
18276992421,2cyclictest27241-21basename11:25:013
1827699240,23cyclictest0-21swapper/312:35:293
1827699240,22cyclictest313-21systemd-journal08:55:003
1827699240,1cyclictest11560-21diskmemload11:34:223
18271992423,1cyclictest3304-21ssh09:33:022
18271992423,1cyclictest11560-21diskmemload12:05:052
18271992422,1cyclictest28-21ksoftirqd/210:40:472
18271992422,1cyclictest0-21swapper/210:59:372
18271992421,2cyclictest11560-21diskmemload11:00:282
1827199240,23cyclictest32593-21grep11:30:012
1827199240,23cyclictest32593-21grep11:30:012
1827199240,23cyclictest0-21swapper/212:39:252
1827199240,23cyclictest0-21swapper/211:51:502
1827199240,0cyclictest0-21swapper/210:54:192
18267992424,0cyclictest0-21swapper/112:08:101
18267992424,0cyclictest0-21swapper/110:19:021
1826799240,24cyclictest0-21swapper/109:31:201
1826799240,23cyclictest11560-21diskmemload11:34:241
1826799240,23cyclictest0-21swapper/111:06:301
1826799240,23cyclictest0-21swapper/110:56:411
1826799240,23cyclictest0-21swapper/110:11:031
1826799240,23cyclictest0-21swapper/109:59:311
1826799240,23cyclictest0-21swapper/109:11:111
1826799240,1cyclictest0-21swapper/112:24:301
1826799240,0cyclictest0-21swapper/111:10:351
1826799240,0cyclictest0-21swapper/110:45:201
18263992424,0cyclictest11560-21diskmemload10:28:300
1826399240,23cyclictest847-21ssh11:00:170
1826399240,23cyclictest30817-21ssh11:29:230
1826399240,23cyclictest30817-21ssh11:29:230
1826399240,23cyclictest11560-21diskmemload11:35:070
1826399240,23cyclictest0-21swapper/012:10:310
1826399240,23cyclictest0-21swapper/009:45:230
18276992323,0cyclictest11560-21diskmemload10:25:583
18276992323,0cyclictest0-21swapper/312:33:133
18276992323,0cyclictest0-21swapper/312:00:393
18276992323,0cyclictest0-21swapper/311:53:163
18276992323,0cyclictest0-21swapper/311:14:043
18276992323,0cyclictest0-21swapper/310:30:103
18276992322,1cyclictest25872-21apt-get09:24:203
18276992322,1cyclictest11560-21diskmemload11:03:223
18276992321,1cyclictest8102-21ssh10:07:483
18276992321,1cyclictest0-21swapper/309:28:123
18276992320,2cyclictest7583-21rm11:07:183
1827699230,2cyclictest28959-21sh11:56:513
1827699230,23cyclictest0-21swapper/309:33:413
1827699230,22cyclictest23374-21ssh10:20:563
1827699230,22cyclictest1770-21ssh10:01:163
1827699230,22cyclictest12645-21ssh09:11:203
1827699230,22cyclictest0-21swapper/309:16:113
1827699230,1cyclictest23070-21ssh09:50:373
18271992323,0cyclictest0-21swapper/212:32:012
18271992323,0cyclictest0-21swapper/212:01:202
18271992323,0cyclictest0-21swapper/209:48:272
18271992321,1cyclictest0-21swapper/211:41:512
18271992321,0cyclictest0-21swapper/211:56:532
18271992320,2cyclictest17332-21ssh11:15:512
18271992320,2cyclictest12239-21ssh09:40:272
18271992320,2cyclictest11968-21ssh11:10:492
18271992319,1cyclictest0-21swapper/212:21:352
1827199230,2cyclictest313-21systemd-journal08:20:012
1827199230,2cyclictest11081-21ssh10:09:392
1827199230,22cyclictest6382-21ssh11:05:312
1827199230,22cyclictest2897-21ssh10:32:462
1827199230,22cyclictest22150-21ssh11:20:042
1827199230,22cyclictest17479-21ssh11:45:502
1827199230,22cyclictest11560-21diskmemload09:26:352
1827199230,1cyclictest0-21swapper/209:36:112
1827199230,0cyclictest11560-21diskmemload12:25:052
1827199230,0cyclictest11560-21diskmemload12:19:132
1827199230,0cyclictest0-21swapper/212:14:482
1827199230,0cyclictest0-21swapper/210:45:342
1827199230,0cyclictest0-21swapper/210:38:512
18267992323,0cyclictest0-21swapper/110:35:041
18267992323,0cyclictest0-21swapper/110:06:141
18267992323,0cyclictest0-21swapper/110:02:321
18267992323,0cyclictest0-21swapper/109:50:291
18267992322,1cyclictest11560-21diskmemload12:00:211
18267992321,2cyclictest5723-21ssh11:04:591
18267992321,1cyclictest4965-21apt-get08:59:201
18267992321,1cyclictest0-21swapper/110:29:051
18267992320,2cyclictest18595-21sh12:17:511
1826799230,23cyclictest0-21swapper/111:38:111
1826799230,23cyclictest0-21swapper/110:43:021
1826799230,23cyclictest0-21swapper/110:23:571
1826799230,23cyclictest0-21swapper/109:37:361
1826799230,22cyclictest22982-21sh10:50:541
1826799230,22cyclictest22293-21sh11:20:161
1826799230,22cyclictest13227-21rm09:41:581
1826799230,22cyclictest0-21swapper/112:38:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional