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2026-05-24 - 12:24

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 highest latencies:
System rack3slot6s.osadl.org (updated Sun May 24, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
116872116104,6sleep30-21swapper/319:07:583
11128211187,19sleep00-21swapper/019:05:510
10450210986,15sleep20-21swapper/219:05:132
1180029584,6sleep10-21swapper/119:09:251
16762790,0sleep30-21swapper/300:38:133
111912710,0sleep10-21swapper/122:32:321
130342580,4sleep01187199cyclictest22:00:370
11871993614,3cyclictest28311-21ssh21:10:120
20602220,1sleep11187299cyclictest00:05:001
1187299220,20cyclictest0-21swapper/100:30:111
1187199221,19cyclictest0-21swapper/021:45:140
1187299210,19cyclictest0-21swapper/119:10:111
1187199211,3cyclictest27967-21diskmemload23:20:120
319252200,1sleep1221ktimersoftd/122:20:181
1187499200,18cyclictest0-21swapper/323:25:103
11872992014,5cyclictest28221-21sh21:10:051
1187299200,18cyclictest0-21swapper/123:25:101
1187199200,18cyclictest0-21swapper/022:15:130
1187199200,18cyclictest0-21swapper/020:25:110
11873991714,2cyclictest3384-21ssh22:25:122
11873991714,2cyclictest26072-21kworker/u8:022:06:012
11873991714,2cyclictest11716-21kworker/u8:221:52:042
11873991714,2cyclictest11716-21kworker/u8:221:43:042
11873991714,2cyclictest10166-21kworker/u8:322:04:052
1187399170,12cyclictest0-21swapper/223:04:052
1187399170,12cyclictest0-21swapper/223:04:042
11872991712,3cyclictest0-21swapper/121:47:321
1187499161,3cyclictest0-21swapper/323:20:163
1187499161,13cyclictest2687-21ssh21:16:093
11874991611,3cyclictest0-21swapper/322:17:073
11873991613,2cyclictest7678-21kworker/u8:219:13:052
11873991613,2cyclictest3018-21kworker/u8:121:18:012
11873991613,2cyclictest28518-21kworker/u8:100:03:042
11873991613,2cyclictest26138-21kworker/u8:122:23:052
11873991613,2cyclictest24214-21kworker/u8:120:58:052
11873991613,2cyclictest2113-21kworker/u8:000:06:042
11873991613,2cyclictest17475-21kworker/u8:123:48:052
11873991613,2cyclictest10906-21kworker/u8:222:37:052
1187399160,11cyclictest0-21swapper/223:53:042
1187399160,10cyclictest0-21swapper/221:10:052
11871991611,3cyclictest0-21swapper/000:10:180
269822151,3sleep226992-21ssh23:22:372
1187499151,3cyclictest0-21swapper/323:41:243
1187499151,2cyclictest0-21swapper/322:45:163
1187499151,12cyclictest27967-21diskmemload21:30:373
1187499151,12cyclictest0-21swapper/323:10:053
11874991510,3cyclictest0-21swapper/300:30:143
1187499150,3cyclictest7410-21fschecks_count21:55:153
1187399151,2cyclictest0-21swapper/223:43:042
11873991512,2cyclictest29918-21kworker/u8:000:39:052
11873991512,2cyclictest28518-21kworker/u8:100:20:052
11873991512,2cyclictest26138-21kworker/u8:122:32:042
11873991512,2cyclictest25310-21kworker/u8:223:14:052
11873991512,2cyclictest24234-21kworker/u8:021:32:042
11873991512,2cyclictest24214-21kworker/u8:121:06:042
11873991512,2cyclictest24214-21kworker/u8:120:27:042
11873991512,2cyclictest24214-21kworker/u8:120:14:012
11873991512,2cyclictest23687-21kworker/u8:223:55:052
11873991512,2cyclictest2113-21kworker/u8:000:11:052
11873991512,2cyclictest19222-21kworker/u8:023:31:052
11873991512,2cyclictest18004-21kworker/u8:122:45:052
11873991512,2cyclictest13524-21kworker/u8:020:37:042
11873991512,2cyclictest13395-21kworker/u8:200:19:042
11873991512,2cyclictest11611-21kworker/u8:019:23:052
11873991510,3cyclictest318-21fschecks_time22:55:142
11873991510,3cyclictest0-21swapper/223:35:132
1187399150,10cyclictest0-21swapper/223:07:052
11872991512,2cyclictest221ktimersoftd/120:36:021
11872991511,2cyclictest0-21swapper/121:01:001
11872991510,3cyclictest10490-21fschecks_count20:25:131
1187299150,13cyclictest0-21swapper/123:46:121
1187199151,12cyclictest23335-21ssh23:52:360
11871991510,3cyclictest0-21swapper/021:55:530
1187199150,13cyclictest27967-21diskmemload00:26:370
1187499149,3cyclictest0-21swapper/300:20:153
1187499141,2cyclictest24421-21ssh22:12:473
11874991411,2cyclictest0-21swapper/300:14:083
1187499141,11cyclictest0-21swapper/323:03:273
1187499141,11cyclictest0-21swapper/323:03:263
1187499140,3cyclictest4843-21ssh23:33:273
1187499140,12cyclictest25398-21ssh00:29:213
1187499140,12cyclictest13423-21python22:01:053
1187499140,12cyclictest0-21swapper/322:06:013
11873991411,2cyclictest4712-21kworker/u8:022:50:052
11873991411,2cyclictest24214-21kworker/u8:120:42:042
11873991411,2cyclictest24214-21kworker/u8:120:08:052
11873991411,2cyclictest24214-21kworker/u8:120:02:042
11873991411,2cyclictest24214-21kworker/u8:119:51:052
11873991411,2cyclictest18294-21kworker/u8:219:30:042
11873991411,2cyclictest11611-21kworker/u8:019:38:052
11873991411,2cyclictest10906-21kworker/u8:222:40:042
1187399140,13cyclictest0-21swapper/221:36:052
1187399140,13cyclictest0-21swapper/220:45:052
1187399140,12cyclictest30669-21ps21:45:222
1187299149,3cyclictest11998-21aten2.4_r3power00:15:141
11872991411,2cyclictest0-21swapper/123:24:521
11872991411,2cyclictest0-21swapper/122:50:121
11872991411,2cyclictest0-21swapper/122:37:221
11872991411,2cyclictest0-21swapper/121:27:121
11872991411,2cyclictest0-21swapper/100:13:321
11872991411,2cyclictest0-21swapper/100:08:311
11872991410,2cyclictest0-21swapper/121:34:311
1187299140,13cyclictest0-21swapper/123:30:111
1187299140,13cyclictest0-21swapper/123:19:111
1187299140,13cyclictest0-21swapper/122:56:211
1187199142,6cyclictest0-21swapper/000:29:590
1187199141,3cyclictest19386-21sh22:07:240
11871991411,2cyclictest0-21swapper/023:17:360
11871991411,2cyclictest0-21swapper/022:59:260
11871991410,2cyclictest0-21swapper/021:26:280
1187199140,2cyclictest0-21swapper/023:10:300
1187199140,13cyclictest0-21swapper/022:45:160
1187199140,12cyclictest27967-21diskmemload23:45:190
1187199140,12cyclictest0-21swapper/023:04:140
1187199140,12cyclictest0-21swapper/023:04:140
1187199140,12cyclictest0-21swapper/000:17:380
92042130,2sleep20-21swapper/220:21:062
1187499132,6cyclictest0-21swapper/319:40:013
11874991310,2cyclictest0-21swapper/322:56:103
11874991310,2cyclictest0-21swapper/322:50:113
11874991310,2cyclictest0-21swapper/322:26:513
11874991310,2cyclictest0-21swapper/322:20:083
11874991310,2cyclictest0-21swapper/321:25:123
11874991310,2cyclictest0-21swapper/321:20:143
11874991310,2cyclictest0-21swapper/321:12:243
11874991310,2cyclictest0-21swapper/320:05:113
11874991310,2cyclictest0-21swapper/319:20:113
1187499130,2cyclictest31770-21ssh21:46:213
1187499130,2cyclictest27967-21diskmemload00:15:093
1187499130,2cyclictest0-21swapper/323:59:273
1187499130,2cyclictest0-21swapper/319:16:033
1187499130,12cyclictest0-21swapper/323:45:153
1187499130,12cyclictest0-21swapper/322:30:353
1187499130,12cyclictest0-21swapper/300:01:483
1187499130,11cyclictest0-21swapper/322:36:173
11873991310,2cyclictest28518-21kworker/u8:100:32:042
11873991310,2cyclictest26138-21kworker/u8:122:17:042
1187399130,8cyclictest0-21swapper/220:50:042
1187399130,2cyclictest0-21swapper/200:26:052
1187299132,6cyclictest0-21swapper/119:40:011
11872991310,2cyclictest26072-21kworker/u8:022:01:051
11872991310,2cyclictest0-21swapper/123:51:041
11872991310,2cyclictest0-21swapper/122:43:311
11872991310,2cyclictest0-21swapper/122:17:021
11872991310,2cyclictest0-21swapper/100:35:311
1187299130,2cyclictest0-21swapper/123:43:021
1187299130,2cyclictest0-21swapper/123:12:551
1187299130,2cyclictest0-21swapper/121:55:011
1187299130,2cyclictest0-21swapper/121:41:111
1187299130,12cyclictest0-21swapper/123:57:521
1187299130,12cyclictest0-21swapper/123:07:511
1187299130,12cyclictest0-21swapper/121:20:021
1187299130,11cyclictest0-21swapper/100:20:201
1187199139,2cyclictest271602chrt21:41:370
1187199132,5cyclictest0-21swapper/019:50:010
11871991310,2cyclictest20485-21ssh22:42:030
11871991310,2cyclictest0-21swapper/023:55:120
11871991310,2cyclictest0-21swapper/023:41:220
11871991310,2cyclictest0-21swapper/023:31:050
11871991310,2cyclictest0-21swapper/021:01:010
11871991310,2cyclictest0-21swapper/020:20:150
11871991310,2cyclictest0-21swapper/000:38:390
11871991310,2cyclictest0-21swapper/000:07:160
11871991310,2cyclictest0-21swapper/000:00:270
1187199130,2cyclictest8466-21aten2.4-expect22:30:120
1187199130,2cyclictest6783-21ssh21:20:260
1187199130,2cyclictest27967-21diskmemload23:05:060
1187199130,2cyclictest0-21swapper/023:39:220
1187199130,1cyclictest0-21swapper/020:30:160
1187199130,12cyclictest0-21swapper/022:50:070
1187199130,12cyclictest0-21swapper/022:35:370
1187199130,12cyclictest0-21swapper/022:20:470
1187199130,12cyclictest0-21swapper/021:35:270
1187499129,2cyclictest17290-21munin-node3
1187499129,2cyclictest0-21swapper/323:35:203
1187499129,2cyclictest0-21swapper/323:15:403
1187499129,2cyclictest0-21swapper/321:36:193
1187499129,2cyclictest0-21swapper/321:05:143
1187499129,2cyclictest0-21swapper/320:31:033
1187499129,2cyclictest0-21swapper/320:26:033
1187499120,7cyclictest0-21swapper/320:25:013
1187499120,2cyclictest27967-21diskmemload23:50:343
1187499120,11cyclictest0-21swapper/323:05:303
1187499120,11cyclictest0-21swapper/322:40:273
1187499120,11cyclictest0-21swapper/321:40:493
1187499120,11cyclictest0-21swapper/321:00:173
1187499120,11cyclictest0-21swapper/320:55:173
1187499120,11cyclictest0-21swapper/320:35:593
1187499120,11cyclictest0-21swapper/319:56:023
1187499120,11cyclictest0-21swapper/319:56:023
1187499120,11cyclictest0-21swapper/300:05:123
1187499120,10cyclictest0-21swapper/321:50:253
1187399129,2cyclictest19222-21kworker/u8:023:26:012
1187399129,2cyclictest0-21swapper/223:15:202
1187399129,2cyclictest0-21swapper/221:55:112
1187399129,2cyclictest0-21swapper/221:21:022
1187399129,2cyclictest0-21swapper/219:55:132
1187399129,2cyclictest0-21swapper/219:55:122
1187399129,2cyclictest0-21swapper/219:25:132
1187399122,7cyclictest0-21swapper/221:28:582
1187299129,2cyclictest0-21swapper/123:36:551
1187299129,2cyclictest0-21swapper/122:07:541
1187299129,2cyclictest0-21swapper/120:01:031
1187299129,2cyclictest0-21swapper/119:46:011
1187299128,2cyclictest0-21swapper/120:45:171
1187299128,2cyclictest0-21swapper/120:10:161
1187299121,9cyclictest7800-21munin-run20:20:001
1187299121,9cyclictest643-21munin-node1
1187299121,9cyclictest0-21swapper/100:26:041
1187299121,3cyclictest28190-21munin-node1
1187299121,3cyclictest24175-21munin-node1
1187299121,3cyclictest0-21swapper/119:55:131
1187299121,3cyclictest0-21swapper/119:55:121
1187299120,3cyclictest0-21swapper/123:00:131
1187299120,3cyclictest0-21swapper/123:00:121
1187299120,2cyclictest0-21swapper/122:11:561
1187299120,11cyclictest27967-21diskmemload21:50:061
1187299120,11cyclictest0-21swapper/122:45:151
1187299120,11cyclictest0-21swapper/122:26:541
1187299120,11cyclictest0-21swapper/121:37:231
1187299120,11cyclictest0-21swapper/120:40:291
1187299120,11cyclictest0-21swapper/120:20:151
1187299120,11cyclictest0-21swapper/119:25:141
1187199129,2cyclictest0-21swapper/021:15:310
1187199129,2cyclictest0-21swapper/020:35:150
1187199129,2cyclictest0-21swapper/019:56:040
1187199129,2cyclictest0-21swapper/019:56:030
1187199129,2cyclictest0-21swapper/019:25:110
1187199122,7cyclictest0-21swapper/021:51:020
1187199120,2cyclictest0-21swapper/020:56:010
1187199120,11cyclictest0-21swapper/023:26:360
1187199120,11cyclictest0-21swapper/022:25:480
1187199120,11cyclictest0-21swapper/022:10:300
1187199120,11cyclictest0-21swapper/021:30:090
1187199120,11cyclictest0-21swapper/019:15:150
1187199120,11cyclictest0-21swapper/000:21:410
138682110,2sleep30-21swapper/319:15:003
1187499111,7cyclictest0-21swapper/320:19:593
1187399110,9cyclictest21342-21kworker/2:119:50:012
1187399110,10cyclictest0-21swapper/222:10:052
1187299117,2cyclictest21517-21grep20:51:031
1187299111,8cyclictest26179-21apt-get21:05:111
1187299111,8cyclictest0-21swapper/120:05:111
1187299111,6cyclictest0-21swapper/120:31:021
1187299110,9cyclictest14095-21munin-node1
1187299110,9cyclictest0-21swapper/119:20:151
1187299110,3cyclictest0-21swapper/119:30:141
1187199118,2cyclictest0-21swapper/020:15:160
1187199111,6cyclictest0-21swapper/020:51:330
1187199110,1cyclictest0-21swapper/021:05:150
1187199110,1cyclictest0-21swapper/020:06:000
1187199110,10cyclictest0-21swapper/019:42:060
256422100,2sleep20-21swapper/221:01:042
1187499105,3cyclictest21349-21switchtime20:51:023
1187499105,3cyclictest1560-21apt-get20:05:003
1187499101,6cyclictest0-21swapper/319:40:003
1187499100,8cyclictest0-21swapper/320:50:013
1187399105,3cyclictest6441-21fschecks_count20:15:152
1187299100,9cyclictest0-21swapper/120:55:171
1187199105,3cyclictest21925-21cron19:35:000
1187199102,7cyclictest0-21swapper/020:12:020
1187199101,6cyclictest0-21swapper/019:21:150
1187199100,7cyclictest0-21swapper/020:41:010
1187199100,7cyclictest0-21swapper/019:13:020
1187199100,1cyclictest0-21swapper/019:36:060
118749994,3cyclictest28193-21apt19:50:113
118749994,3cyclictest18384-21expr19:25:123
118749991,6cyclictest0-21swapper/319:46:023
118739994,3cyclictest13140-21sendmail_mailqu20:31:002
118739991,6cyclictest0-21swapper/219:16:012
118739990,2cyclictest0-21swapper/219:40:042
118719994,3cyclictest3728-21runrttasks20:04:280
118719994,3cyclictest3443-21NetworkManager20:45:050
118719992,6cyclictest0-21swapper/019:45:580
118749983,3cyclictest3869-21taskset20:10:013
118749983,3cyclictest21396-21cat19:31:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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