You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-04 - 20:24

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 Tue Aug 04, 2026 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1108599262,24cyclictest62550irq/127-eno110:18:440
1108899250,24cyclictest15257-21sh10:16:063
1108599250,2cyclictest23925-21cron09:55:010
1108599250,24cyclictest0-21swapper/009:13:550
11088992423,1cyclictest4857-21diskmemload12:13:063
11088992421,2cyclictest6938-21sh09:12:163
1108899240,24cyclictest1412-21ssh12:27:023
1108899240,23cyclictest4857-21diskmemload11:59:303
1108899240,23cyclictest4857-21diskmemload10:50:353
1108899240,23cyclictest4857-21diskmemload10:47:473
1108899240,23cyclictest4857-21diskmemload09:52:033
1108899240,23cyclictest30273-21ssh10:00:353
1108899240,23cyclictest12251-21cron09:45:013
1108799240,24cyclictest11978-21ssh09:16:262
1108799240,24cyclictest0-21swapper/211:42:452
1108799240,24cyclictest0-21swapper/210:18:442
1108799240,23cyclictest4857-21diskmemload12:25:102
1108799240,23cyclictest0-21swapper/209:45:192
11086992423,1cyclictest0-21swapper/109:42:541
11086992421,2cyclictest29915-21sh11:54:101
1108699240,24cyclictest0-21swapper/111:32:461
1108699240,23cyclictest15632-21diskmemload10:16:351
1108699240,23cyclictest0-21swapper/111:12:231
1108699240,23cyclictest0-21swapper/110:41:241
11085992423,1cyclictest4857-21diskmemload11:32:460
11085992423,1cyclictest0-21swapper/012:35:360
1108599240,24cyclictest4857-21diskmemload10:39:290
1108599240,23cyclictest4857-21diskmemload11:11:400
1108599240,23cyclictest24252-21sh11:49:070
1108599240,23cyclictest2029-21ssh12:27:580
1108599240,0cyclictest0-21swapper/012:31:320
1108599240,0cyclictest0-21swapper/012:22:370
1108599240,0cyclictest0-21swapper/009:24:210
11088992323,0cyclictest0-21swapper/311:24:243
11088992323,0cyclictest0-21swapper/310:06:123
11088992321,1cyclictest25267-21sh08:45:003
11088992321,1cyclictest12845-21sendmail-msp08:20:013
11088992321,1cyclictest0-21swapper/311:41:073
11088992320,2cyclictest27904-21ssh09:30:053
11088992320,2cyclictest13647-21sh09:46:043
1108899230,23cyclictest4857-21diskmemload11:08:553
1108899230,23cyclictest0-21swapper/311:52:003
1108899230,22cyclictest4857-21diskmemload10:11:293
1108899230,22cyclictest28855-21sh11:25:053
1108899230,22cyclictest28448-21munin-run07:45:003
1108899230,22cyclictest23169-21ssh09:26:113
1108899230,22cyclictest19973-21ssh11:45:383
1108899230,22cyclictest16052-21sh12:39:173
1108899230,22cyclictest13493-21ssh11:12:223
1108899230,22cyclictest0-21swapper/310:25:553
1108899230,0cyclictest4857-21diskmemload12:16:053
11087992322,1cyclictest8221-21apt-get09:13:552
11087992322,1cyclictest0-21swapper/210:30:022
11087992320,2cyclictest31344-21ssh11:55:452
1108799230,23cyclictest0-21swapper/212:13:362
1108799230,23cyclictest0-21swapper/211:25:592
1108799230,23cyclictest0-21swapper/211:03:142
1108799230,23cyclictest0-21swapper/209:53:492
1108799230,23cyclictest0-21swapper/209:20:542
1108799230,22cyclictest27470-21ssh10:55:252
1108799230,22cyclictest27221-21ssh12:20:392
1108799230,22cyclictest25741-21latency_hist10:25:012
1108799230,22cyclictest11814-21ssh09:44:282
1108799230,1cyclictest8194-21rm10:09:332
1108799230,0cyclictest0-21swapper/212:02:552
1108799230,0cyclictest0-21swapper/211:24:092
1108799230,0cyclictest0-21swapper/211:16:392
1108799230,0cyclictest0-21swapper/210:51:042
1108799230,0cyclictest0-21swapper/210:35:342
1108799230,0cyclictest0-21swapper/209:31:102
11086992323,0cyclictest0-21swapper/112:29:471
11086992323,0cyclictest0-21swapper/112:19:211
11086992323,0cyclictest0-21swapper/112:01:111
11086992323,0cyclictest0-21swapper/111:21:201
11086992323,0cyclictest0-21swapper/111:06:181
11086992323,0cyclictest0-21swapper/110:27:461
11086992322,1cyclictest4857-21diskmemload09:19:031
11086992322,0cyclictest0-21swapper/110:59:151
11086992322,0cyclictest0-21swapper/110:39:261
11086992321,1cyclictest3173-21ssh09:37:411
11086992321,1cyclictest0-21swapper/110:08:571
11086992321,1cyclictest0-21swapper/109:11:121
11086992320,2cyclictest27700-21sleep08:50:001
11086992320,2cyclictest26905-21perf10:55:001
11086992320,2cyclictest12821-21cron08:20:011
1108699230,23cyclictest4857-21diskmemload11:41:041
1108699230,23cyclictest0-21swapper/112:35:361
1108699230,23cyclictest0-21swapper/111:45:031
1108699230,23cyclictest0-21swapper/109:27:041
1108699230,22cyclictest32677-21ssh11:57:421
1108699230,22cyclictest16326-21ssh10:45:361
1108699230,22cyclictest0-21swapper/111:37:261
1108699230,22cyclictest0-21swapper/109:33:421
1108699230,22cyclictest0-21swapper/109:24:051
1108699230,1cyclictest0-21swapper/111:02:511
1108699230,0cyclictest0-21swapper/110:22:151
11085992323,0cyclictest0-21swapper/010:22:150
11085992323,0cyclictest0-21swapper/009:31:490
11085992322,1cyclictest8901-21sh09:42:540
11085992322,1cyclictest62550irq/127-eno111:21:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional