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2026-06-16 - 13:30

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 Tue Jun 16, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1987121160,4sleep084099cyclictest22:22:010
685211287,18sleep10-21swapper/119:08:221
530210789,12sleep30-21swapper/319:06:283
31476210695,6sleep20-21swapper/219:05:022
585210485,15sleep00-21swapper/019:07:080
201342830,0sleep00-21swapper/021:12:480
292392810,0sleep00-21swapper/021:57:400
305102730,0sleep00-21swapper/023:09:030
250322680,0sleep00-21swapper/022:27:560
164742680,0sleep10-21swapper/122:19:101
84399370,2cyclictest0-21swapper/323:40:103
239292240,0sleep10-21swapper/122:26:081
84299221,19cyclictest0-21swapper/220:25:112
842992116,3cyclictest26758-21ssh23:05:132
84299210,16cyclictest0-21swapper/200:27:052
84199211,18cyclictest0-21swapper/121:10:121
84399200,18cyclictest0-21swapper/319:25:113
842992017,2cyclictest576-21kworker/u8:119:19:052
84299200,2cyclictest0-21swapper/222:20:112
84299200,18cyclictest0-21swapper/220:45:112
84299200,15cyclictest0-21swapper/219:39:042
84299200,15cyclictest0-21swapper/219:32:052
270102200,0sleep20-21swapper/220:15:002
84399196,11cyclictest0-21swapper/323:35:123
843991915,2cyclictest0-21swapper/323:45:103
842991916,2cyclictest743-21kworker/u8:120:42:042
842991916,2cyclictest15064-21kworker/u8:220:08:052
842991916,2cyclictest10945-21kworker/u8:020:58:052
84299190,2cyclictest0-21swapper/222:10:122
84299190,14cyclictest0-21swapper/223:53:052
84299190,14cyclictest0-21swapper/223:32:042
84299190,14cyclictest0-21swapper/221:16:042
84299190,14cyclictest0-21swapper/219:28:042
84299182,2cyclictest0-21swapper/200:10:042
842991815,2cyclictest576-21kworker/u8:119:45:042
842991815,2cyclictest25037-21kworker/u8:000:31:042
842991815,2cyclictest17211-21kworker/u8:221:11:052
842991815,2cyclictest15134-21kworker/u8:200:15:042
842991815,2cyclictest15064-21kworker/u8:220:30:022
842991815,2cyclictest11477-21kworker/u8:023:24:042
842991815,2cyclictest10433-21kworker/u8:200:37:042
84299180,16cyclictest0-21swapper/221:54:042
842991714,2cyclictest1888-21kworker/u8:022:32:042
84299171,2cyclictest0-21swapper/223:29:052
84299171,14cyclictest0-21swapper/221:00:102
84299170,2cyclictest0-21swapper/221:21:052
84299170,2cyclictest0-21swapper/220:37:042
84299170,13cyclictest0-21swapper/220:21:052
84199171,14cyclictest0-21swapper/100:10:171
84099171,3cyclictest3728-21runrttasks23:25:570
84299160,2cyclictest0-21swapper/223:48:042
84299160,2cyclictest0-21swapper/223:14:042
84299160,2cyclictest0-21swapper/222:00:042
84299160,2cyclictest0-21swapper/219:52:042
841991613,2cyclictest31249-21kworker/u8:000:00:041
841991613,2cyclictest25095-21kworker/u8:123:40:041
841991610,2cyclictest26425-21ssh23:40:001
84099160,2cyclictest0-21swapper/021:00:110
84299152,7cyclictest0-21swapper/220:55:002
842991512,2cyclictest576-21kworker/u8:119:14:052
842991511,2cyclictest0-21swapper/222:46:032
84299151,12cyclictest0-21swapper/221:56:382
842991510,3cyclictest0-21swapper/200:21:292
84299150,2cyclictest0-21swapper/219:57:052
84299150,2cyclictest0-21swapper/200:02:062
84299150,12cyclictest0-21swapper/222:35:142
84199159,4cyclictest0-21swapper/120:11:041
841991512,2cyclictest25095-21kworker/u8:123:46:041
84199150,13cyclictest9260-21df_abs19:30:131
840991511,2cyclictest16777-21diskmemload23:00:170
84099150,13cyclictest16777-21diskmemload22:35:150
83962151,3sleep08544-21fschecks_time23:55:140
84399149,3cyclictest23627-21sendmail_mailqu23:01:013
84399141,2cyclictest26232-21apt-get00:15:103
843991411,2cyclictest0-21swapper/322:00:273
84399140,12cyclictest0-21swapper/322:40:193
84299140,2cyclictest0-21swapper/222:19:042
84299140,2cyclictest0-21swapper/221:42:052
84299140,2cyclictest0-21swapper/221:34:042
84299140,12cyclictest10964-21sh23:57:482
84299140,12cyclictest0-21swapper/220:16:052
84199149,3cyclictest28423-21sed23:06:041
84199149,3cyclictest20145-21sh00:07:531
84199142,6cyclictest0-21swapper/119:40:001
841991410,2cyclictest0-21swapper/100:36:231
84199140,3cyclictest11950-21cut20:55:181
84199140,2cyclictest0-21swapper/100:23:041
84099149,3cyclictest0-21swapper/021:45:190
840991411,2cyclictest0-21swapper/023:36:270
840991411,2cyclictest0-21swapper/000:22:270
84099140,2cyclictest0-21swapper/021:19:460
84099140,12cyclictest31415-21munin-node0
84099140,12cyclictest29002-21cut20:20:000
84099140,12cyclictest0-21swapper/023:30:270
84099140,12cyclictest0-21swapper/021:24:180
84099140,10cyclictest0-21swapper/023:51:050
115012141,2sleep211504-21ssh21:38:392
843991310,2cyclictest16777-21diskmemload21:49:173
843991310,2cyclictest0-21swapper/323:28:453
843991310,2cyclictest0-21swapper/322:53:063
843991310,2cyclictest0-21swapper/322:45:053
843991310,2cyclictest0-21swapper/322:28:543
843991310,2cyclictest0-21swapper/322:13:073
843991310,2cyclictest0-21swapper/321:50:113
843991310,2cyclictest0-21swapper/321:25:113
843991310,2cyclictest0-21swapper/321:10:173
843991310,2cyclictest0-21swapper/300:25:113
843991310,2cyclictest0-21swapper/300:12:443
84399130,3cyclictest14156-21mailstats00:01:033
84399130,2cyclictest5391-21aten2.4-expect19:20:123
84399130,2cyclictest0-21swapper/323:30:433
84399130,2cyclictest0-21swapper/323:10:183
84399130,2cyclictest0-21swapper/323:07:263
84399130,2cyclictest0-21swapper/320:40:063
84399130,12cyclictest0-21swapper/322:36:053
84399130,12cyclictest0-21swapper/321:16:163
84299131,7cyclictest0-21swapper/223:19:592
842991310,2cyclictest23348-21ssh22:25:492
842991310,2cyclictest0-21swapper/223:40:092
84299130,2cyclictest0-21swapper/219:21:042
84299130,11cyclictest0-21swapper/223:04:202
84299130,10cyclictest0-21swapper/221:09:042
84199139,3cyclictest743-21kworker/u8:121:35:051
84199138,3cyclictest18740-21munin-node1
84199138,3cyclictest0-21swapper/119:45:161
84199131,3cyclictest0-21swapper/123:15:171
84199131,3cyclictest0-21swapper/119:16:011
84199131,10cyclictest0-21swapper/119:55:151
841991310,2cyclictest29719-21kworker/u8:123:28:051
841991310,2cyclictest1888-21kworker/u8:022:33:041
841991310,2cyclictest0-21swapper/122:58:571
841991310,2cyclictest0-21swapper/121:50:291
841991310,2cyclictest0-21swapper/120:50:071
84199130,3cyclictest5783-21ssh22:41:281
84199130,2cyclictest0-21swapper/122:21:291
84199130,2cyclictest0-21swapper/121:59:471
84199130,12cyclictest0-21swapper/120:30:121
84099132,8cyclictest4556-21metacity19:31:590
840991310,2cyclictest0-21swapper/023:44:580
840991310,2cyclictest0-21swapper/022:10:150
840991310,2cyclictest0-21swapper/022:01:270
840991310,2cyclictest0-21swapper/021:31:360
840991310,2cyclictest0-21swapper/019:35:150
840991310,2cyclictest0-21swapper/000:00:100
84099130,2cyclictest6462-21ssh22:42:370
84099130,2cyclictest0-21swapper/023:19:480
84099130,2cyclictest0-21swapper/022:15:110
84099130,2cyclictest0-21swapper/021:41:460
84099130,2cyclictest0-21swapper/021:36:470
84099130,2cyclictest0-21swapper/020:25:010
84099130,2cyclictest0-21swapper/019:45:150
84099130,2cyclictest0-21swapper/000:18:080
84099130,12cyclictest0-21swapper/022:55:130
84099130,12cyclictest0-21swapper/000:35:540
84099130,12cyclictest0-21swapper/000:06:050
286922130,2sleep00-21swapper/022:31:240
84399129,2cyclictest0-21swapper/323:51:543
84399129,2cyclictest0-21swapper/322:55:143
84399129,2cyclictest0-21swapper/322:20:473
84399129,2cyclictest0-21swapper/320:51:013
84399120,3cyclictest13882-21ssh22:15:333
84399120,2cyclictest0-21swapper/323:16:563
84399120,2cyclictest0-21swapper/321:35:133
84399120,2cyclictest0-21swapper/320:36:023
84399120,2cyclictest0-21swapper/319:10:153
84399120,11cyclictest11105-21ssh23:22:243
84399120,11cyclictest0-21swapper/323:55:243
84399120,11cyclictest0-21swapper/322:34:253
84399120,11cyclictest0-21swapper/322:05:243
84399120,11cyclictest0-21swapper/321:55:163
84399120,11cyclictest0-21swapper/321:30:263
84399120,11cyclictest0-21swapper/321:20:173
84399120,11cyclictest0-21swapper/320:30:403
84399120,11cyclictest0-21swapper/320:20:163
84399120,11cyclictest0-21swapper/320:06:043
84399120,11cyclictest0-21swapper/300:38:343
84399120,11cyclictest0-21swapper/300:32:363
84399120,11cyclictest0-21swapper/300:22:543
84399120,10cyclictest0-21swapper/300:05:073
84299129,2cyclictest0-21swapper/222:08:122
84299129,2cyclictest0-21swapper/221:45:292
84299129,2cyclictest0-21swapper/221:25:232
84299120,2cyclictest19525-21ssh00:06:482
84299120,2cyclictest0-21swapper/222:55:042
84299120,11cyclictest0-21swapper/223:36:032
84199129,2cyclictest743-21kworker/u8:121:25:041
84199129,2cyclictest16777-21diskmemload00:18:541
84199129,2cyclictest0-21swapper/123:56:081
84199129,2cyclictest0-21swapper/122:50:041
84199129,2cyclictest0-21swapper/122:02:501
84199129,2cyclictest0-21swapper/121:23:511
84199128,2cyclictest0-21swapper/120:05:171
84199127,3cyclictest0-21swapper/100:30:151
84199122,6cyclictest0-21swapper/120:45:001
84199121,9cyclictest3687-21tr21:30:121
84199121,9cyclictest3196-21munin-node1
84199121,9cyclictest2861-21apt-get00:25:101
84199121,9cyclictest27031-21apt-get20:15:111
84199121,9cyclictest0-21swapper/123:50:131
84199121,9cyclictest0-21swapper/123:20:111
84199120,2cyclictest207150irq/24-eth121:16:041
84199120,2cyclictest0-21swapper/122:12:531
84199120,2cyclictest0-21swapper/119:50:101
84199120,11cyclictest0-21swapper/123:31:011
84199120,11cyclictest0-21swapper/123:00:121
84199120,11cyclictest0-21swapper/122:45:591
84199120,11cyclictest0-21swapper/122:36:481
84199120,11cyclictest0-21swapper/121:42:391
84199120,11cyclictest0-21swapper/120:25:291
84199120,11cyclictest0-21swapper/120:00:121
84199120,10cyclictest0-21swapper/121:00:131
84099129,2cyclictest0-21swapper/022:50:080
84099129,2cyclictest0-21swapper/022:45:120
84099129,2cyclictest0-21swapper/021:50:290
84099129,2cyclictest0-21swapper/020:46:030
84099129,2cyclictest0-21swapper/020:00:170
84099129,2cyclictest0-21swapper/019:55:130
84099129,2cyclictest0-21swapper/000:11:260
84099123,6cyclictest0-21swapper/020:40:170
84099122,7cyclictest0-21swapper/020:57:010
84099122,6cyclictest0-21swapper/021:05:220
84099120,7cyclictest0-21swapper/020:50:040
84099120,2cyclictest0-21swapper/023:45:050
84099120,2cyclictest0-21swapper/023:20:120
84099120,2cyclictest0-21swapper/019:20:170
84099120,11cyclictest16777-21diskmemload00:25:020
84099120,11cyclictest0-21swapper/022:05:410
84099120,11cyclictest0-21swapper/021:25:190
84099120,11cyclictest0-21swapper/020:25:110
84099120,11cyclictest0-21swapper/000:30:230
15992120,9sleep11610-21ssh23:12:141
84399117,2cyclictest14409-21unixbench_multi21:41:033
84399112,5cyclictest0-21swapper/319:35:013
84399111,6cyclictest0-21swapper/321:00:013
84399111,6cyclictest0-21swapper/319:20:013
84299111,6cyclictest0-21swapper/220:00:092
84299110,10cyclictest16777-21diskmemload22:41:292
84299110,10cyclictest0-21swapper/222:51:422
84199111,7cyclictest0-21swapper/119:25:011
84199111,3cyclictest5267-21munin-node1
84199111,2cyclictest2420-21apt-get20:35:041
84199110,10cyclictest0-21swapper/119:10:131
84099112,6cyclictest0-21swapper/020:10:120
84099112,6cyclictest0-21swapper/020:05:100
84099110,6cyclictest0-21swapper/019:50:040
84399107,2cyclictest0-21swapper/321:00:153
84399105,3cyclictest16908-21cat21:10:003
84399101,5cyclictest0-21swapper/320:30:003
84399100,9cyclictest0-21swapper/319:50:353
84299102,6cyclictest0-21swapper/219:40:012
84199107,2cyclictest6895-21kworker/u8:220:49:051
84199105,3cyclictest30140-21rt-features20:21:021
84199105,3cyclictest15879-21ntp_states21:05:171
84199100,6cyclictest0-21swapper/119:40:051
84099103,6cyclictest0-21swapper/020:30:150
84099100,7cyclictest0-21swapper/019:42:580
84099100,6cyclictest0-21swapper/019:16:040
8439994,3cyclictest3728-21runrttasks19:55:183
8439994,3cyclictest27255-21cpuspeed_turbos20:15:123
8409991,6cyclictest0-21swapper/019:25:020
8409990,5cyclictest0-21swapper/020:35:050
8439984,2cyclictest15570-21if_eth019:45:143
8439983,3cyclictest3728-21runrttasks20:45:053
8439983,3cyclictest25053-21aten2.4-expect20:10:123
8439983,3cyclictest21132-21aten2.4-expect20:00:123
8439983,3cyclictest13660-21latency19:40:153
8439983,3cyclictest10964-21tail19:35:113
8409983,3cyclictest1530-21grep19:10:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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