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2026-06-01 - 03:06

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 the 376 highest latencies:
System rack3slot6s.osadl.org (updated Mon Jun 01, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27912211390,18sleep00-21swapper/019:07:160
28094210897,6sleep10-21swapper/119:09:371
27919210796,6sleep20-21swapper/219:07:222
2736929977,16sleep30-21swapper/319:05:333
263112820,1sleep00-21swapper/023:05:130
158552790,1sleep20-21swapper/200:37:022
87182740,0sleep20-21swapper/222:46:082
171412610,1sleep017139-21ssh00:39:040
2815599380,35cyclictest0-21swapper/320:00:123
2815599350,18cyclictest0-21swapper/321:45:123
220922310,1sleep1221ktimersoftd/123:00:181
2815399280,20cyclictest0-21swapper/119:35:101
2815399260,19cyclictest0-21swapper/120:00:111
265042240,2sleep126508-21fschecks_time23:05:141
271002220,1sleep20-21swapper/222:32:002
2815399200,18cyclictest0-21swapper/119:10:081
2815299200,2cyclictest0-21swapper/021:20:120
2815299200,2cyclictest0-21swapper/021:20:110
2815299200,2cyclictest0-21swapper/019:45:120
2815399190,2cyclictest0-21swapper/121:45:121
28154991815,2cyclictest16883-21kworker/u8:022:23:052
28154991714,2cyclictest32504-21kworker/u8:019:21:042
28154991714,2cyclictest27328-21kworker/u8:023:47:042
2815499161,3cyclictest7083-21ssh22:11:052
2815499161,3cyclictest17543-21irqstats21:15:202
2815499161,3cyclictest17543-21irqstats21:15:202
28154991613,2cyclictest24112-21kworker/u8:000:16:052
2815499160,13cyclictest0-21swapper/221:51:012
28153991611,3cyclictest11655-21diskmemload21:55:151
2815299160,4cyclictest0-21swapper/020:35:010
2815299160,4cyclictest0-21swapper/020:30:020
2815299160,2cyclictest0-21swapper/020:29:580
2815599152,7cyclictest0-21swapper/322:59:593
2815599151,3cyclictest13611-21sensors_temp21:11:013
2815599151,12cyclictest3728-21runrttasks00:04:293
28154991512,2cyclictest28863-21kworker/u8:022:42:042
28154991512,2cyclictest28863-21kworker/u8:022:37:052
28154991512,2cyclictest23303-21kworker/u8:123:00:052
28154991512,2cyclictest11237-21kworker/u8:021:46:022
28154991511,2cyclictest5497-21kworker/u8:222:58:052
28154991510,3cyclictest5403-21ssh23:50:192
28153991510,3cyclictest17656-21rm22:22:181
28153991510,3cyclictest0-21swapper/123:25:321
2815399150,13cyclictest11655-21diskmemload00:30:451
2815399150,13cyclictest0-21swapper/122:49:061
2815399150,11cyclictest0-21swapper/122:04:131
2815299151,8cyclictest4556-21metacity20:16:580
2815299151,8cyclictest4556-21metacity19:39:580
28152991510,3cyclictest11561-21ssh23:23:220
2815299150,4cyclictest0-21swapper/020:14:580
2815299150,4cyclictest0-21swapper/019:53:010
2815299150,4cyclictest0-21swapper/019:43:590
2815299150,4cyclictest0-21swapper/019:14:580
2815299150,13cyclictest0-21swapper/000:28:020
28155991410,2cyclictest0-21swapper/300:25:123
2815599140,12cyclictest0-21swapper/323:02:543
2815599140,12cyclictest0-21swapper/321:37:433
2815599140,12cyclictest0-21swapper/300:07:533
2815499149,3cyclictest0-21swapper/221:40:302
28154991411,2cyclictest19268-21kworker/u8:220:22:042
28153991411,2cyclictest0-21swapper/100:37:001
2815399140,3cyclictest0-21swapper/120:20:421
2815399140,2cyclictest0-21swapper/123:24:401
2815399140,2cyclictest0-21swapper/119:25:011
2815399140,13cyclictest0-21swapper/121:42:201
2815399140,12cyclictest12211-21ssh23:57:451
2815399140,12cyclictest11655-21diskmemload00:05:571
2815399140,12cyclictest0-21swapper/123:10:011
2815399140,12cyclictest0-21swapper/122:54:411
2815399140,12cyclictest0-21swapper/122:32:061
2815399140,12cyclictest0-21swapper/122:06:291
2815399140,12cyclictest0-21swapper/121:21:361
2815399140,12cyclictest0-21swapper/121:21:351
2815299149,3cyclictest21251-21ssh22:26:000
2815299140,2cyclictest29695-21sh21:28:030
2815299140,2cyclictest0-21swapper/022:20:520
2815299140,13cyclictest0-21swapper/021:56:320
2815299140,13cyclictest0-21swapper/020:21:030
2815299140,13cyclictest0-21swapper/019:15:530
2815299140,13cyclictest0-21swapper/000:22:420
2815299140,12cyclictest11527-21munin-node0
2815299140,12cyclictest0-21swapper/022:06:030
2815599138,3cyclictest2419-21seq21:33:353
2815599133,6cyclictest3728-21runrttasks23:26:023
28155991310,2cyclictest0-21swapper/300:35:123
28155991310,2cyclictest0-21swapper/300:15:183
2815599130,2cyclictest11655-21diskmemload00:12:173
2815599130,12cyclictest0-21swapper/322:42:533
2815599130,11cyclictest29303-21ssh23:08:133
2815599130,11cyclictest28448-21ssh23:40:333
2815599130,11cyclictest0-21swapper/322:35:303
2815599130,11cyclictest0-21swapper/321:26:133
2815499139,2cyclictest0-21swapper/219:45:062
2815499138,3cyclictest14016-21munin-run19:55:002
2815499131,10cyclictest0-21swapper/219:55:102
28154991310,2cyclictest5193-21kworker/u8:219:43:052
28154991310,2cyclictest5193-21kworker/u8:219:35:042
28154991310,2cyclictest2211-21kworker/u8:023:16:042
28154991310,2cyclictest19268-21kworker/u8:220:27:042
28154991310,2cyclictest16883-21kworker/u8:022:28:052
2815499130,2cyclictest0-21swapper/221:33:052
2815499130,11cyclictest3728-21runrttasks00:10:152
2815499130,11cyclictest14877-21ssh22:53:132
2815499130,11cyclictest0-21swapper/200:05:342
2815399139,2cyclictest0-21swapper/100:22:001
2815399133,8cyclictest0-21swapper/119:50:141
2815399131,10cyclictest7811-21ls21:00:011
28153991310,2cyclictest0-21swapper/123:41:471
28153991310,2cyclictest0-21swapper/123:16:411
28153991310,2cyclictest0-21swapper/122:42:131
28153991310,2cyclictest0-21swapper/122:13:121
28153991310,2cyclictest0-21swapper/121:38:311
28153991310,2cyclictest0-21swapper/120:45:151
28153991310,2cyclictest0-21swapper/119:20:141
28153991310,2cyclictest0-21swapper/100:16:261
28153991310,2cyclictest0-21swapper/100:00:211
2815399130,3cyclictest0-21swapper/123:30:421
2815399130,2cyclictest0-21swapper/123:47:491
2815399130,2cyclictest0-21swapper/122:25:351
2815399130,2cyclictest0-21swapper/121:30:411
2815399130,2cyclictest0-21swapper/121:11:211
2815399130,2cyclictest0-21swapper/120:30:191
2815399130,2cyclictest0-21swapper/119:40:501
2815399130,2cyclictest0-21swapper/100:27:111
2815399130,12cyclictest0-21swapper/123:35:011
2815399130,12cyclictest0-21swapper/122:56:571
2815399130,12cyclictest0-21swapper/121:17:301
2815399130,12cyclictest0-21swapper/121:17:291
2815399130,12cyclictest0-21swapper/100:11:501
2815399130,11cyclictest0-21swapper/123:51:171
28152991310,2cyclictest610-21ssh23:11:360
28152991310,2cyclictest3096-21ssh21:34:370
28152991310,2cyclictest2408-21ssh23:47:320
28152991310,2cyclictest11655-21diskmemload22:55:590
28152991310,2cyclictest0-21swapper/023:25:260
28152991310,2cyclictest0-21swapper/023:18:590
28152991310,2cyclictest0-21swapper/022:35:230
28152991310,2cyclictest0-21swapper/022:32:520
28152991310,2cyclictest0-21swapper/021:51:160
28152991310,2cyclictest0-21swapper/021:43:130
28152991310,2cyclictest0-21swapper/021:39:530
28152991310,2cyclictest0-21swapper/021:17:140
28152991310,2cyclictest0-21swapper/021:17:130
28152991310,2cyclictest0-21swapper/000:17:330
28152991310,2cyclictest0-21swapper/000:00:550
2815299130,2cyclictest24873-21ssh23:36:490
2815299130,2cyclictest0-21swapper/022:42:530
2815299130,2cyclictest0-21swapper/020:45:010
2815299130,2cyclictest0-21swapper/000:33:130
2815299130,12cyclictest11655-21diskmemload21:49:140
2815299130,12cyclictest0-21swapper/023:52:280
2815299130,12cyclictest0-21swapper/023:30:440
2815299130,12cyclictest0-21swapper/022:45:220
2815299130,12cyclictest0-21swapper/022:11:130
2815299130,12cyclictest0-21swapper/021:12:240
2815599129,2cyclictest0-21swapper/323:20:163
2815599129,2cyclictest0-21swapper/322:00:233
2815599127,3cyclictest18194-21ssh21:15:503
2815599127,3cyclictest18194-21ssh21:15:493
2815599122,7cyclictest0-21swapper/321:06:593
2815599122,7cyclictest0-21swapper/320:13:583
2815599122,6cyclictest0-21swapper/323:15:003
2815599122,5cyclictest0-21swapper/319:45:003
2815599120,2cyclictest0-21swapper/323:36:043
2815599120,2cyclictest0-21swapper/323:34:163
2815599120,2cyclictest0-21swapper/323:12:523
2815599120,2cyclictest0-21swapper/322:52:153
2815599120,11cyclictest0-21swapper/323:58:363
2815599120,11cyclictest0-21swapper/323:50:193
2815599120,11cyclictest0-21swapper/322:45:113
2815599120,11cyclictest0-21swapper/322:20:453
2815599120,11cyclictest0-21swapper/322:15:113
2815599120,11cyclictest0-21swapper/321:55:173
2815599120,11cyclictest0-21swapper/321:52:233
2815599120,11cyclictest0-21swapper/321:24:483
2815599120,11cyclictest0-21swapper/321:24:473
2815599120,11cyclictest0-21swapper/319:35:113
2815599120,11cyclictest0-21swapper/319:10:133
2815599120,11cyclictest0-21swapper/300:20:173
2815599120,10cyclictest11655-21diskmemload22:31:563
2815599120,10cyclictest0-21swapper/321:43:203
2815499129,2cyclictest7545-21kworker/u8:123:59:042
2815499129,2cyclictest5193-21kworker/u8:219:31:042
2815499129,2cyclictest29918-21kworker/u8:119:12:042
2815499129,2cyclictest17639-21kworker/u8:222:06:042
2815499129,2cyclictest11692-21kworker/u8:020:02:042
2815499129,2cyclictest0-21swapper/223:37:112
2815499129,2cyclictest0-21swapper/200:21:012
2815499120,2cyclictest0-21swapper/221:55:022
2815499120,2cyclictest0-21swapper/221:36:252
2815499120,2cyclictest0-21swapper/221:05:182
2815499120,11cyclictest0-21swapper/222:15:122
2815499120,11cyclictest0-21swapper/221:26:412
2815499120,11cyclictest0-21swapper/220:35:112
2815499120,11cyclictest0-21swapper/200:02:012
2815499120,10cyclictest0-21swapper/221:20:122
2815499120,10cyclictest0-21swapper/221:20:112
2815399127,3cyclictest27205-21kernelversion21:25:151
2815399121,3cyclictest8415-21perl21:00:141
2815399121,3cyclictest0-21swapper/120:15:131
2815399120,2cyclictest0-21swapper/122:16:451
2815399120,11cyclictest0-21swapper/122:35:071
2815399120,11cyclictest0-21swapper/121:51:591
2815399120,11cyclictest0-21swapper/120:05:191
2815399120,11cyclictest0-21swapper/119:45:161
2815299129,2cyclictest0-21swapper/023:02:560
2815299129,2cyclictest0-21swapper/022:18:500
2815299129,2cyclictest0-21swapper/022:00:480
2815299129,2cyclictest0-21swapper/019:55:110
2815299129,2cyclictest0-21swapper/019:30:130
2815299129,2cyclictest0-21swapper/000:10:340
2815299120,2cyclictest0-21swapper/023:55:250
2815299120,2cyclictest0-21swapper/020:50:180
2815299120,2cyclictest0-21swapper/020:06:050
2815299120,2cyclictest0-21swapper/000:05:150
2815299120,11cyclictest27154-21ssh23:40:070
2815299120,11cyclictest0-21swapper/019:26:040
2815299120,11cyclictest0-21swapper/019:21:020
17782120,2sleep30-21swapper/323:46:343
2815599118,2cyclictest0-21swapper/322:25:133
2815599118,2cyclictest0-21swapper/319:15:213
2815599112,6cyclictest0-21swapper/321:01:583
2815599111,6cyclictest0-21swapper/320:45:113
2815599110,9cyclictest1719-21ssh22:05:513
2815599110,9cyclictest0-21swapper/319:34:593
2815599110,2cyclictest0-21swapper/322:12:273
2815499119,1cyclictest0-21swapper/220:10:142
2815499118,2cyclictest29918-21kworker/u8:119:26:062
2815499118,2cyclictest24377-21kworker/u8:120:32:052
2815499118,2cyclictest11692-21kworker/u8:020:15:052
2815499118,2cyclictest11692-21kworker/u8:020:05:052
2815499118,2cyclictest0-21swapper/223:30:162
2815499118,2cyclictest0-21swapper/200:25:262
2815499117,2cyclictest0-21swapper/221:10:132
2815499112,7cyclictest0-21swapper/220:57:022
2815499110,3cyclictest0-21swapper/222:00:062
2815499110,2cyclictest0-21swapper/223:10:102
2815399118,2cyclictest0-21swapper/120:35:101
2815399118,2cyclictest0-21swapper/119:15:141
2815399110,9cyclictest0-21swapper/120:50:181
2815399110,9cyclictest0-21swapper/120:25:131
2815399110,9cyclictest0-21swapper/120:10:131
2815399110,3cyclictest0-21swapper/120:40:401
2815399110,3cyclictest0-21swapper/119:56:001
2815299118,2cyclictest0-21swapper/020:55:120
2815299118,2cyclictest0-21swapper/020:00:170
153362110,2sleep215346-21ssh23:26:452
2815599107,2cyclictest0-21swapper/300:30:113
2815599101,7cyclictest0-21swapper/320:30:003
2815599101,7cyclictest0-21swapper/319:26:023
2815599101,6cyclictest0-21swapper/319:55:593
2815599100,4cyclictest0-21swapper/320:51:113
2815499108,1cyclictest0-21swapper/221:00:182
2815499105,3cyclictest8701-21tr23:20:142
2815499105,3cyclictest274-21jbd2/sda1-820:40:402
2815499102,6cyclictest0-21swapper/220:46:012
2815499101,7cyclictest4556-21metacity20:51:582
2815499100,9cyclictest0-21swapper/223:42:452
2815499100,9cyclictest0-21swapper/223:09:172
2815399107,2cyclictest0-21swapper/121:05:521
2815299107,2cyclictest0-21swapper/020:40:150
2815299100,7cyclictest0-21swapper/021:05:020
281559994,3cyclictest797-21needreboot19:20:183
281559994,3cyclictest3728-21runrttasks20:40:153
281559994,3cyclictest3157-21lldpd20:05:413
281559994,3cyclictest28626-21df_abs20:30:143
281559994,3cyclictest25520-21timerandwakeup20:21:043
281559994,3cyclictest13270-21chrt19:50:443
281559994,3cyclictest10397-21cpu19:45:133
281559993,4cyclictest6490-21grep20:55:143
281559991,3cyclictest0-21swapper/320:15:143
281549995,2cyclictest0-21swapper/200:30:162
281549994,3cyclictest30769-21sh19:15:162
281539990,8cyclictest0-21swapper/119:30:131
281529994,3cyclictest8637-21missed_timers21:00:160
281559983,3cyclictest30469-21expr20:35:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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