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2026-08-10 - 03:12

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 Mon Aug 10, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26295211592,18sleep00-21swapper/019:06:190
26388211496,12sleep10-21swapper/119:07:321
26288211293,14sleep30-21swapper/319:06:153
26426210286,11sleep20-21swapper/219:08:022
306422760,0sleep00-21swapper/022:01:540
228112750,1sleep00-21swapper/000:36:580
177722740,0sleep30-21swapper/321:49:543
305832710,0sleep30-21swapper/322:01:483
111522680,0sleep20-21swapper/223:52:542
181612660,0sleep30-21swapper/323:27:053
247052350,0sleep30-21swapper/300:39:483
212922260,1sleep321296-21missed_timers23:30:193
31722240,0sleep20-21swapper/223:12:052
2660799240,13cyclictest0-21swapper/022:50:110
90122220,1sleep00-21swapper/023:50:190
2660999220,13cyclictest0-21swapper/220:45:152
26607992212,2cyclictest16085-21hddtemp_smartct23:25:130
2660799220,13cyclictest0-21swapper/023:56:030
2660999210,3cyclictest26743-21runrttasks23:03:392
2660999210,19cyclictest0-21swapper/221:37:002
2660999210,19cyclictest0-21swapper/219:40:122
26608992118,2cyclictest27134-21kworker/u8:222:05:041
26608992118,2cyclictest15827-21kworker/u8:021:29:041
26610992017,2cyclictest30780-21kworker/u8:221:33:053
26610992016,3cyclictest4262-21kworker/u8:221:18:043
2660999200,18cyclictest32612-21ssh22:04:502
2660999200,14cyclictest0-21swapper/223:55:452
2660999200,12cyclictest0-21swapper/222:21:052
26608992017,2cyclictest21174-21kworker/u8:021:58:011
26608992016,3cyclictest22557-21kworker/u8:023:40:011
26607992010,2cyclictest0-21swapper/019:10:120
26610991916,2cyclictest7760-21kworker/u8:122:17:043
2660999190,2cyclictest0-21swapper/223:08:562
2660999190,2cyclictest0-21swapper/222:16:492
2660999190,2cyclictest0-21swapper/220:30:142
2660999190,17cyclictest9543-21sh00:24:212
26608991916,2cyclictest4931-21kworker/u8:021:37:051
26608991916,2cyclictest17206-21kworker/u8:222:59:051
26610991815,2cyclictest22278-21kworker/u8:222:38:053
2660999189,7cyclictest0-21swapper/221:43:432
26609991811,6cyclictest0-21swapper/222:37:172
26609991810,7cyclictest0-21swapper/222:29:192
2660999180,3cyclictest3728-21runrttasks19:21:552
2660999180,2cyclictest3649-21snmpd20:00:422
2660999180,2cyclictest13958-21ssh00:28:312
2660999180,2cyclictest0-21swapper/223:28:052
2660999180,2cyclictest0-21swapper/222:52:352
2660999180,2cyclictest0-21swapper/222:44:392
2660999180,2cyclictest0-21swapper/222:44:382
2660999180,2cyclictest0-21swapper/222:33:532
2660999180,2cyclictest0-21swapper/221:47:002
2660999180,2cyclictest0-21swapper/221:31:352
2660999180,2cyclictest0-21swapper/221:23:492
2660999180,17cyclictest10460-21diskmemload22:05:252
2660999180,17cyclictest0-21swapper/223:30:262
2660999180,17cyclictest0-21swapper/200:36:442
2660999180,11cyclictest0-21swapper/223:15:442
26608991815,2cyclictest5669-21kworker/u8:022:54:051
26608991815,2cyclictest3957-21kworker/u8:123:50:051
26608991815,2cyclictest28135-21kworker/u8:223:16:041
26608991815,2cyclictest11549-21kworker/u8:300:04:041
165382180,1sleep00-21swapper/021:48:020
26610991714,2cyclictest3957-21kworker/u8:123:50:013
26610991714,2cyclictest27134-21kworker/u8:222:20:053
26610991714,2cyclictest18810-21kworker/u8:323:37:043
26610991714,2cyclictest14280-21kworker/u8:200:30:063
26610991714,2cyclictest12415-21kworker/u8:120:08:023
26610991714,2cyclictest11879-21kworker/u8:123:01:043
26610991714,2cyclictest11549-21kworker/u8:323:56:063
2661099170,2cyclictest0-21swapper/322:05:043
2660999178,7cyclictest0-21swapper/219:30:152
26609991711,5cyclictest3728-21runrttasks00:02:162
26609991710,5cyclictest0-21swapper/222:56:402
2660999170,16cyclictest0-21swapper/221:59:202
2660999170,15cyclictest0-21swapper/200:05:002
26608991714,2cyclictest22731-21kworker/u8:122:04:051
26608991714,2cyclictest22731-21kworker/u8:121:48:051
26608991713,3cyclictest30780-21kworker/u8:221:32:041
297212160,1sleep10-21swapper/122:34:161
26610991613,2cyclictest8881-21kworker/u8:123:23:043
26610991613,2cyclictest4262-21kworker/u8:221:12:053
26610991613,2cyclictest28961-21kworker/u8:119:42:053
26610991613,2cyclictest27797-21kworker/u8:200:14:043
26610991613,2cyclictest12415-21kworker/u8:119:59:053
26610991613,2cyclictest11879-21kworker/u8:122:55:053
2661099160,2cyclictest0-21swapper/321:29:043
2660999169,6cyclictest0-21swapper/221:16:122
2660999164,3cyclictest10460-21diskmemload00:33:212
26609991611,4cyclictest0-21swapper/222:13:452
26609991610,5cyclictest0-21swapper/222:48:372
26609991610,5cyclictest0-21swapper/221:14:342
26609991610,5cyclictest0-21swapper/221:05:132
2660899161,3cyclictest18301-21munin-node1
26608991613,2cyclictest7760-21kworker/u8:122:18:041
26608991613,2cyclictest4262-21kworker/u8:221:06:051
26608991613,2cyclictest27134-21kworker/u8:222:14:051
26608991613,2cyclictest22557-21kworker/u8:023:08:011
26608991613,2cyclictest12415-21kworker/u8:120:39:051
26608991613,2cyclictest12415-21kworker/u8:120:31:041
2660899160,9cyclictest0-21swapper/121:15:041
26610991512,2cyclictest7760-21kworker/u8:122:12:053
26610991512,2cyclictest4931-21kworker/u8:021:36:043
26610991512,2cyclictest30377-21ssh23:06:393
26610991512,2cyclictest2931-21kworker/u8:100:20:023
26610991512,2cyclictest22278-21kworker/u8:222:40:053
26610991512,2cyclictest22278-21kworker/u8:222:40:043
26610991512,2cyclictest21174-21kworker/u8:021:57:053
26610991512,2cyclictest15724-21kworker/u8:022:31:043
26610991512,2cyclictest0-21swapper/322:27:283
2660999154,3cyclictest3182-21lldpd19:58:212
2660999154,3cyclictest18505-21ssh21:50:132
2660999154,2cyclictest3728-21runrttasks20:09:022
2660999153,3cyclictest27217-21entropy19:10:132
2660999153,2cyclictest0-21swapper/219:19:442
26609991510,4cyclictest0-21swapper/223:43:052
26609991510,4cyclictest0-21swapper/223:24:192
2660999150,2cyclictest0-21swapper/200:16:422
26608991512,2cyclictest8734-21kworker/u8:219:46:021
26608991512,2cyclictest4931-21kworker/u8:021:40:051
26608991512,2cyclictest28961-21kworker/u8:119:17:041
26608991512,2cyclictest28135-21kworker/u8:223:14:051
26608991512,2cyclictest27797-21kworker/u8:200:11:051
26608991512,2cyclictest22271-21kworker/u8:000:06:011
26608991512,2cyclictest18810-21kworker/u8:323:30:051
26608991512,2cyclictest14280-21kworker/u8:200:33:041
26608991512,2cyclictest12415-21kworker/u8:120:18:041
2660899151,12cyclictest31879-21cut20:40:301
2660899150,2cyclictest0-21swapper/123:47:031
2660899150,2cyclictest0-21swapper/121:14:011
2660799151,12cyclictest18642-21grep20:10:000
26607991510,3cyclictest0-21swapper/000:06:080
26610991411,2cyclictest8881-21kworker/u8:123:19:043
26610991411,2cyclictest8510-21kworker/u8:000:28:013
26610991411,2cyclictest5669-21kworker/u8:022:50:043
26610991411,2cyclictest4931-21kworker/u8:021:40:013
26610991411,2cyclictest4262-21kworker/u8:220:59:053
26610991411,2cyclictest22557-21kworker/u8:023:48:053
26610991411,2cyclictest22320-21kworker/u8:019:27:043
26610991411,2cyclictest22320-21kworker/u8:019:12:013
2661099140,2cyclictest0-21swapper/323:40:023
2661099140,2cyclictest0-21swapper/300:16:083
2660999144,2cyclictest29569-21cat20:35:172
2660999144,2cyclictest10460-21diskmemload21:26:112
2660999143,3cyclictest3285-21missed_timers20:50:152
2660999143,3cyclictest22283-21chrt20:16:552
2660999143,2cyclictest274-21jbd2/sda1-821:00:072
2660999143,2cyclictest10460-21diskmemload23:37:012
2660999143,2cyclictest0-21swapper/223:45:132
2660999143,2cyclictest0-21swapper/219:35:202
2660999141,3cyclictest3728-21runrttasks00:10:002
2660999141,3cyclictest24899-21aten2.4-expect20:25:122
2660999140,2cyclictest0-21swapper/220:10:222
26608991411,2cyclictest8881-21kworker/u8:123:25:041
26608991411,2cyclictest8734-21kworker/u8:220:12:051
26608991411,2cyclictest2931-21kworker/u8:100:19:041
26608991411,2cyclictest28961-21kworker/u8:119:40:041
26608991411,2cyclictest28961-21kworker/u8:119:34:041
26608991411,2cyclictest22278-21kworker/u8:222:35:051
26608991411,2cyclictest22278-21kworker/u8:222:29:051
26608991411,2cyclictest12415-21kworker/u8:120:00:041
26608991411,2cyclictest11879-21kworker/u8:123:04:041
26608991410,3cyclictest6462-21latency_hist20:59:591
2660899140,2cyclictest0-21swapper/123:56:061
2660899140,13cyclictest0-21swapper/123:37:041
2660899140,13cyclictest0-21swapper/123:20:491
2660899140,13cyclictest0-21swapper/122:44:121
2660899140,13cyclictest0-21swapper/122:44:121
2660799141,3cyclictest31662-21ssh23:40:410
26607991411,2cyclictest0-21swapper/022:35:180
2660799141,11cyclictest3728-21runrttasks19:44:040
2660799141,11cyclictest26241-21ssh23:35:180
2660799140,13cyclictest0-21swapper/000:25:130
2661099139,2cyclictest0-21swapper/319:15:303
26610991310,2cyclictest8734-21kworker/u8:220:13:043
26610991310,2cyclictest4262-21kworker/u8:221:20:063
26610991310,2cyclictest28961-21kworker/u8:119:24:053
26610991310,2cyclictest22557-21kworker/u8:023:10:053
26610991310,2cyclictest0-21swapper/322:48:403
2661099130,12cyclictest0-21swapper/319:30:303
2661099130,11cyclictest0-21swapper/320:31:053
2660999133,2cyclictest308542chrt20:40:112
2660999133,2cyclictest0-21swapper/219:50:132
2660999130,3cyclictest8684-21aten2.4_r3power19:45:132
2660999130,3cyclictest5244-21if_eth020:55:192
2660999130,3cyclictest22798-21tail20:20:122
2660999130,3cyclictest1223-21wc19:25:162
2660899131,10cyclictest10460-21diskmemload00:36:051
26608991310,2cyclictest4262-21kworker/u8:221:04:051
26608991310,2cyclictest2931-21kworker/u8:100:20:061
26608991310,2cyclictest12415-21kworker/u8:120:20:051
26608991310,2cyclictest0-21swapper/121:20:521
26608991310,2cyclictest0-21swapper/119:35:201
26608991310,2cyclictest0-21swapper/119:10:121
26608991310,2cyclictest0-21swapper/100:25:021
2660899130,12cyclictest10460-21diskmemload22:45:181
2660899130,12cyclictest10460-21diskmemload22:21:211
2660899130,12cyclictest0-21swapper/120:05:181
2660899130,12cyclictest0-21swapper/119:55:201
2660799131,10cyclictest10460-21diskmemload23:34:300
26607991310,2cyclictest0-21swapper/023:14:140
26607991310,2cyclictest0-21swapper/021:40:130
26607991310,2cyclictest0-21swapper/019:50:130
2660799130,2cyclictest10460-21diskmemload00:01:140
2660799130,2cyclictest0-21swapper/023:45:120
2660799130,2cyclictest0-21swapper/022:11:030
2660799130,2cyclictest0-21swapper/022:05:330
2660799130,2cyclictest0-21swapper/021:34:330
2660799130,2cyclictest0-21swapper/021:20:120
2660799130,2cyclictest0-21swapper/000:31:010
2660799130,12cyclictest25895-21ssh23:02:230
2661099129,2cyclictest8734-21kworker/u8:219:46:053
2661099129,2cyclictest24320-21kworker/u8:220:28:043
2661099129,2cyclictest24320-21kworker/u8:220:23:053
2661099129,2cyclictest22320-21kworker/u8:019:53:043
2661099128,3cyclictest12415-21kworker/u8:120:42:013
2661099120,2cyclictest0-21swapper/300:04:043
2661099120,10cyclictest0-21swapper/300:05:173
2660899129,2cyclictest0-21swapper/119:20:151
2660899121,9cyclictest0-21swapper/120:45:181
2660899121,3cyclictest0-21swapper/119:50:131
2660899120,3cyclictest0-21swapper/120:25:121
2660899120,11cyclictest0-21swapper/120:50:271
2660899120,11cyclictest0-21swapper/119:25:491
2660799129,2cyclictest0-21swapper/023:06:040
2660799129,2cyclictest0-21swapper/022:55:040
2660799129,2cyclictest0-21swapper/022:25:170
2660799129,2cyclictest0-21swapper/022:24:270
2660799129,2cyclictest0-21swapper/021:10:210
2660799129,2cyclictest0-21swapper/020:16:030
2660799129,2cyclictest0-21swapper/019:25:130
2660799128,2cyclictest0-21swapper/000:22:330
2660799123,7cyclictest0-21swapper/021:06:000
2660799121,9cyclictest3035-21ssh00:17:130
2660799120,2cyclictest0-21swapper/023:22:320
2660799120,2cyclictest0-21swapper/021:55:340
2660799120,2cyclictest0-21swapper/021:38:240
2660799120,2cyclictest0-21swapper/000:11:020
2660799120,11cyclictest27017-21ssh21:25:410
2660799120,11cyclictest0-21swapper/022:48:520
2660799120,11cyclictest0-21swapper/021:52:400
2660799120,11cyclictest0-21swapper/020:50:140
2660799120,10cyclictest0-21swapper/021:00:040
214272120,2sleep30-21swapper/321:52:593
2661099118,2cyclictest8734-21kworker/u8:220:02:013
2661099118,2cyclictest4262-21kworker/u8:221:02:013
2661099118,2cyclictest30849-21kworker/u8:020:51:043
2660799118,2cyclictest0-21swapper/023:16:010
2660799118,2cyclictest0-21swapper/019:30:150
2660799118,2cyclictest0-21swapper/019:23:140
2660799116,3cyclictest17995-21ssh21:16:270
2660799116,3cyclictest12215-21ssh22:15:560
2660799111,8cyclictest0-21swapper/020:21:010
2660799110,10cyclictest10460-21diskmemload22:35:000
2661099100,2cyclictest0-21swapper/320:39:043
2660799107,2cyclictest0-21swapper/020:10:210
2660799105,3cyclictest2160-21sshd20:49:340
2660799101,3cyclictest3305-21cron19:40:010
2660799100,9cyclictest0-21swapper/022:40:260
2660799100,9cyclictest0-21swapper/022:40:260
266109996,2cyclictest30849-21kworker/u8:020:47:053
266109990,8cyclictest0-21swapper/321:09:583
266079996,2cyclictest0-21swapper/020:25:110
266079996,2cyclictest0-21swapper/019:55:520
266079996,2cyclictest0-21swapper/019:45:160
266079995,2cyclictest0-21swapper/020:55:200
266079994,3cyclictest29633-21load19:15:180
266079994,3cyclictest28991-21cpu20:35:140
266079994,3cyclictest15533-21missed_timers20:00:250
266079993,4cyclictest27079-21grep20:30:120
5686280,1sleep30-21swapper/319:35:463
266079983,3cyclictest28803-21packagekitd20:40:040
266109970,2cyclictest0-21swapper/320:15:393
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