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2026-06-14 - 12:40

OSADL QA Farm on Real-time of Mainline Linux

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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 
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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 all highest latencies:
System rack3slot6s.osadl.org (updated Sun Jun 14, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1127321360,1sleep311272-21sh21:47:373
23494210897,6sleep00-21swapper/019:05:470
23442210887,16sleep10-21swapper/119:05:201
24020210796,6sleep20-21swapper/219:07:262
24021210487,12sleep30-21swapper/319:07:273
305692760,0sleep30-21swapper/320:45:133
186972710,0sleep30-21swapper/300:14:363
64582700,0sleep00-21swapper/023:25:380
222842700,0sleep10-21swapper/100:17:461
59222670,0sleep20-21swapper/223:25:162
72602260,1sleep10-21swapper/122:17:331
153682260,0sleep20-21swapper/221:51:372
324192240,1sleep20-21swapper/222:45:122
2425099221,2cyclictest7252-21diskmemload23:00:110
256872200,1sleep1221ktimersoftd/122:37:131
2425299203,2cyclictest31-21ksoftirqd/221:55:142
2425299201,14cyclictest0-21swapper/223:45:042
286162190,0sleep20-21swapper/220:40:152
254672180,1sleep30-21swapper/320:31:033
24252991815,2cyclictest635-21kworker/u8:323:39:042
24252991815,2cyclictest3360-21kworker/u8:200:35:042
2425299181,15cyclictest0-21swapper/223:40:282
2425099180,2cyclictest0-21swapper/021:55:140
24253991714,2cyclictest16665-21kworker/u8:223:03:043
2425399171,3cyclictest27213-21ssh00:23:153
2425299170,12cyclictest0-21swapper/222:32:052
2425399161,3cyclictest0-21swapper/323:10:123
24253991613,2cyclictest7919-21kworker/u8:122:24:043
24253991613,2cyclictest7919-21kworker/u8:122:24:043
24253991613,2cyclictest16059-21kworker/u8:122:11:043
2425399161,13cyclictest8953-21ssh21:10:473
2425399161,13cyclictest16664-21taskset21:53:393
24252991613,2cyclictest836-21kworker/u8:221:42:042
24252991613,2cyclictest7737-21kworker/u8:019:11:042
24252991613,2cyclictest26547-21kworker/u8:000:28:042
24252991613,2cyclictest23622-21kworker/u8:021:00:012
24252991613,2cyclictest16059-21kworker/u8:122:03:042
24252991613,2cyclictest11964-21kworker/u8:020:11:042
2425299161,2cyclictest0-21swapper/223:16:012
2425299160,15cyclictest0-21swapper/200:14:052
2425399151,3cyclictest18209-21ssh21:20:293
24253991512,2cyclictest8149-21kworker/u8:023:29:043
24253991512,2cyclictest19229-21kworker/u8:123:44:033
2425299152,7cyclictest0-21swapper/221:30:002
24252991512,2cyclictest836-21kworker/u8:221:34:042
24252991512,2cyclictest7474-21kworker/u8:100:02:042
24252991512,2cyclictest3728-21runrttasks23:14:582
24252991512,2cyclictest32585-21kworker/u8:019:44:042
24252991512,2cyclictest30604-21kworker/u8:122:44:032
24252991512,2cyclictest30225-21kworker/u8:219:32:042
24252991512,2cyclictest24459-21kworker/u8:119:17:042
24252991512,2cyclictest18051-21kworker/u8:120:28:012
24252991512,2cyclictest18051-21kworker/u8:120:22:042
2425199150,13cyclictest7067-21sendmail_mailst00:01:011
2425099151,12cyclictest9070-21iostat21:45:150
2425099150,13cyclictest0-21swapper/022:46:090
2425099150,13cyclictest0-21swapper/019:45:120
24253991411,2cyclictest9573-21kworker/u8:023:06:043
24253991411,2cyclictest836-21kworker/u8:221:30:013
24253991411,2cyclictest635-21kworker/u8:323:21:043
24253991411,2cyclictest32585-21kworker/u8:019:42:013
24253991411,2cyclictest25356-21kworker/u8:222:40:043
24253991411,2cyclictest24459-21kworker/u8:119:16:043
24253991411,2cyclictest18051-21kworker/u8:120:29:043
24253991411,2cyclictest0-21swapper/322:59:153
24253991411,2cyclictest0-21swapper/322:16:453
24253991411,2cyclictest0-21swapper/321:42:453
24253991411,2cyclictest0-21swapper/320:50:193
2425399140,2cyclictest0-21swapper/323:55:273
2425399140,2cyclictest0-21swapper/323:50:063
2425399140,2cyclictest0-21swapper/323:47:553
2425399140,2cyclictest0-21swapper/323:30:153
2425399140,2cyclictest0-21swapper/323:16:013
2425399140,2cyclictest0-21swapper/322:35:123
2425399140,2cyclictest0-21swapper/322:32:153
2425399140,2cyclictest0-21swapper/322:06:453
2425399140,2cyclictest0-21swapper/322:01:453
2425399140,2cyclictest0-21swapper/300:18:453
2425399140,2cyclictest0-21swapper/300:09:253
2425399140,13cyclictest0-21swapper/300:38:153
2425399140,13cyclictest0-21swapper/300:04:453
2425399140,12cyclictest0-21swapper/322:51:143
24252991411,2cyclictest836-21kworker/u8:221:38:042
24252991411,2cyclictest836-21kworker/u8:221:10:042
24252991411,2cyclictest7474-21kworker/u8:100:08:042
24252991411,2cyclictest32585-21kworker/u8:019:52:042
24252991411,2cyclictest30225-21kworker/u8:220:09:042
24252991411,2cyclictest30225-21kworker/u8:219:39:042
24252991411,2cyclictest30225-21kworker/u8:219:27:042
24252991411,2cyclictest26547-21kworker/u8:023:53:042
24252991411,2cyclictest23622-21kworker/u8:020:53:042
24252991411,2cyclictest23622-21kworker/u8:020:38:052
24252991411,2cyclictest20012-21kworker/u8:022:35:042
24252991411,2cyclictest16059-21kworker/u8:122:08:042
24252991411,2cyclictest11964-21kworker/u8:020:02:042
24252991411,2cyclictest10448-21kworker/u8:021:19:042
2425299140,12cyclictest11841-21ssh23:31:082
2425299140,12cyclictest0-21swapper/200:15:552
24251991411,2cyclictest18051-21kworker/u8:120:31:031
24251991411,2cyclictest0-21swapper/100:06:321
24251991410,2cyclictest30350-21ssh23:51:031
24251991410,2cyclictest14835-21ntp_states20:05:181
2425199140,3cyclictest24275-21sort22:01:041
2425099141,2cyclictest3649-21snmpd23:20:510
2425099141,2cyclictest11064-21python19:56:010
24250991410,2cyclictest0-21swapper/022:52:030
24250991410,2cyclictest0-21swapper/021:32:040
2425099140,2cyclictest0-21swapper/023:36:490
2425099140,2cyclictest0-21swapper/022:02:090
2425099140,13cyclictest0-21swapper/023:17:390
2425099140,13cyclictest0-21swapper/023:12:590
2425099140,13cyclictest0-21swapper/021:40:390
2425099140,12cyclictest25919-21ssh00:21:090
2425099140,12cyclictest0-21swapper/000:10:590
24253991310,2cyclictest7898-21apt-get19:50:133
24253991310,2cyclictest30225-21kworker/u8:220:07:043
24253991310,2cyclictest30225-21kworker/u8:219:30:043
24253991310,2cyclictest0-21swapper/322:45:063
24253991310,2cyclictest0-21swapper/321:55:363
24253991310,2cyclictest0-21swapper/320:36:023
24253991310,2cyclictest0-21swapper/320:15:003
2425399130,2cyclictest0-21swapper/321:36:023
2425399130,2cyclictest0-21swapper/320:15:113
2425399130,2cyclictest0-21swapper/319:25:153
2425399130,2cyclictest0-21swapper/319:10:173
2425399130,2cyclictest0-21swapper/300:30:443
2425399130,2cyclictest0-21swapper/300:25:593
2425399130,12cyclictest0-21swapper/323:35:383
2425399130,12cyclictest0-21swapper/322:25:583
2425399130,12cyclictest0-21swapper/321:25:583
2425399130,12cyclictest0-21swapper/321:18:223
2425299131,11cyclictest24249-21cyclictest00:21:052
24252991310,2cyclictest9522-21kworker/u8:119:57:042
24252991310,2cyclictest16059-21kworker/u8:122:10:052
24252991310,2cyclictest0-21swapper/223:55:532
2425299130,2cyclictest0-21swapper/223:02:012
2425299130,2cyclictest0-21swapper/222:23:182
2425299130,2cyclictest0-21swapper/222:23:182
2425299130,2cyclictest0-21swapper/221:22:282
2425299130,12cyclictest0-21swapper/223:23:082
2425299130,12cyclictest0-21swapper/223:06:172
2425299130,12cyclictest0-21swapper/221:47:282
2425299130,12cyclictest0-21swapper/200:32:072
24251991310,2cyclictest32520-21apt-get19:30:121
24251991310,2cyclictest0-21swapper/123:00:111
24251991310,2cyclictest0-21swapper/100:30:421
24251991310,2cyclictest0-21swapper/100:20:121
2425199130,2cyclictest0-21swapper/123:44:101
2425199130,2cyclictest0-21swapper/122:48:221
2425199130,2cyclictest0-21swapper/119:35:191
2425199130,11cyclictest7252-21diskmemload22:33:411
2425199130,11cyclictest26633-21munin-node1
2425199130,11cyclictest0-21swapper/123:05:131
2425199130,11cyclictest0-21swapper/122:40:411
2425199130,11cyclictest0-21swapper/121:44:021
2425099139,2cyclictest4959-21ssh00:34:250
24250991310,2cyclictest0-21swapper/023:47:590
24250991310,2cyclictest0-21swapper/021:35:100
24250991310,2cyclictest0-21swapper/021:24:200
24250991310,2cyclictest0-21swapper/021:15:390
24250991310,2cyclictest0-21swapper/021:01:040
2425099130,2cyclictest0-21swapper/023:30:500
2425099130,2cyclictest0-21swapper/022:40:590
2425099130,2cyclictest0-21swapper/022:16:320
2425099130,12cyclictest0-21swapper/022:35:390
2425099130,12cyclictest0-21swapper/022:11:490
2425099130,12cyclictest0-21swapper/000:28:590
2425099130,11cyclictest7252-21diskmemload23:41:540
2425099130,11cyclictest0-21swapper/023:52:240
62232120,1sleep0101ktimersoftd/021:05:180
2425399129,2cyclictest836-21kworker/u8:221:05:033
2425399129,2cyclictest24459-21kworker/u8:119:24:043
2425399129,2cyclictest0-21swapper/319:56:013
2425399120,11cyclictest0-21swapper/321:00:513
2425299122,7cyclictest4562-21gdm-simple-gree22:54:592
2425299120,2cyclictest13653-21ssh22:25:042
2425299120,2cyclictest0-21swapper/220:47:042
2425299120,2cyclictest0-21swapper/219:23:042
2425299120,11cyclictest0-21swapper/222:57:482
2425199129,2cyclictest26547-21kworker/u8:023:59:031
2425199129,2cyclictest25356-21kworker/u8:222:52:041
2425199129,2cyclictest16059-21kworker/u8:121:59:041
2425199129,2cyclictest0-21swapper/122:25:151
2425199129,2cyclictest0-21swapper/121:52:501
2425199129,2cyclictest0-21swapper/121:20:421
2425199120,2cyclictest7252-21diskmemload23:25:121
2425199120,2cyclictest0-21swapper/123:33:211
2425199120,11cyclictest0-21swapper/123:48:011
2425199120,11cyclictest0-21swapper/121:45:121
2425199120,10cyclictest0-21swapper/121:11:521
2425099129,2cyclictest7252-21diskmemload00:00:490
2425099129,2cyclictest0-21swapper/000:35:440
2425099129,2cyclictest0-21swapper/000:15:320
2425099122,7cyclictest0-21swapper/020:58:590
2425099122,7cyclictest0-21swapper/020:41:590
2425099120,2cyclictest7252-21diskmemload23:55:140
2425099120,2cyclictest18386-21ssh22:30:100
2425099120,2cyclictest0-21swapper/023:05:320
2425099120,2cyclictest0-21swapper/022:25:430
2425099120,2cyclictest0-21swapper/019:30:500
2425099120,2cyclictest0-21swapper/000:05:320
2425099120,11cyclictest0-21swapper/022:58:030
2425099120,11cyclictest0-21swapper/022:21:420
2425099120,11cyclictest0-21swapper/022:21:420
2425099120,11cyclictest0-21swapper/022:06:420
2425099120,11cyclictest0-21swapper/021:50:190
2425099120,11cyclictest0-21swapper/021:25:230
2425099120,11cyclictest0-21swapper/021:10:180
2425099120,11cyclictest0-21swapper/020:36:040
2425099120,11cyclictest0-21swapper/019:40:180
2425099120,11cyclictest0-21swapper/019:25:130
203692120,9sleep00-21swapper/020:20:150
75542110,2sleep20-21swapper/219:48:322
2425399118,2cyclictest30225-21kworker/u8:219:36:043
2425399118,2cyclictest0-21swapper/320:41:043
2425399118,2cyclictest0-21swapper/320:00:153
2425299110,9cyclictest6981-21chrt22:17:062
2425299110,10cyclictest0-21swapper/220:58:042
2425199118,2cyclictest0-21swapper/123:15:591
2425199118,2cyclictest0-21swapper/122:20:191
2425199118,2cyclictest0-21swapper/122:20:191
2425199118,2cyclictest0-21swapper/100:37:521
2425199112,2cyclictest21843-21aten2.4_r3power21:25:121
2425199110,9cyclictest3036-21apt-get21:00:061
2425199110,9cyclictest0-21swapper/121:05:181
2425199110,9cyclictest0-21swapper/120:00:101
2425199110,2cyclictest0-21swapper/122:05:191
2425199110,10cyclictest0-21swapper/121:17:521
2425199110,10cyclictest0-21swapper/119:46:011
2425099118,2cyclictest0-21swapper/020:45:330
2425099118,2cyclictest0-21swapper/020:25:200
2425099116,3cyclictest15722-21cron20:10:000
2425099116,3cyclictest0-21swapper/019:10:130
2425099110,7cyclictest0-21swapper/019:16:000
2425399107,2cyclictest23622-21kworker/u8:020:56:043
2425299107,2cyclictest30225-21kworker/u8:220:16:042
2425299102,5cyclictest0-21swapper/220:33:592
2425299100,6cyclictest0-21swapper/221:06:022
2425199107,2cyclictest7252-21diskmemload22:55:051
2425199107,2cyclictest32149-21aten2.4-expect22:10:101
2425199107,2cyclictest207150irq/24-eth121:35:441
2425199107,2cyclictest0-21swapper/123:35:131
2425199107,2cyclictest0-21swapper/123:20:131
2425199107,2cyclictest0-21swapper/120:25:181
2425199107,2cyclictest0-21swapper/120:10:171
2425199107,2cyclictest0-21swapper/100:10:191
2425199103,3cyclictest3151-21nscd21:30:091
2425199101,8cyclictest0-21swapper/120:20:181
2425199101,2cyclictest31669-21apt-get20:50:121
2425199100,9cyclictest0-21swapper/100:25:021
2425199100,8cyclictest0-21swapper/120:35:121
2425199100,2cyclictest7895-21munin-node1
2425099105,3cyclictest24572-21tr20:30:140
2425099103,6cyclictest0-21swapper/020:10:130
2425099102,7cyclictest3649-21snmpd19:20:020
2425099101,5cyclictest0-21swapper/020:00:090
242539995,3cyclictest6282-21entropy19:45:143
242539990,2cyclictest0-21swapper/320:23:553
242519996,2cyclictest7737-21kworker/u8:019:10:041
242519996,2cyclictest0-21swapper/120:45:141
242519996,2cyclictest0-21swapper/120:15:151
242519995,3cyclictest0-21swapper/123:10:111
242519994,3cyclictest28268-21cpuspeed_turbos20:40:141
242519990,8cyclictest0-21swapper/119:40:161
242519990,8cyclictest0-21swapper/119:25:101
242519990,2cyclictest1772-21tune2fs20:55:151
242519990,2cyclictest0-21swapper/119:55:111
242519990,2cyclictest0-21swapper/119:21:011
242509992,6cyclictest0-21swapper/020:50:020
242509992,6cyclictest0-21swapper/020:15:140
242509991,5cyclictest0-21swapper/019:51:590
242509984,2cyclictest2327-21cpuspeed_turbos19:35:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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