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2026-08-04 - 14:04

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #5

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackeslot5s.osadl.org (updated Tue Aug 04, 2026 00:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2245199280,23cyclictest0-21swapper/021:59:390
2245199270,1cyclictest0-21swapper/000:35:430
22451992620,5cyclictest0-21swapper/021:16:570
22451992620,2cyclictest12334-21sh00:26:130
22451992620,1cyclictest23808-21ssh23:10:550
22451992620,1cyclictest18005-21ssh23:34:040
22451992620,1cyclictest0-21swapper/023:18:220
22451992620,0cyclictest0-21swapper/021:33:560
22451992619,2cyclictest25273-21ssh23:40:180
2245199260,25cyclictest0-21swapper/023:21:240
2245199260,21cyclictest13625-21ssh22:04:580
2245499250,24cyclictest0-21swapper/300:26:583
2245499250,1cyclictest16061-21diskmemload23:09:333
2245399252,2cyclictest606-21dbus-daemon20:20:012
22451992523,1cyclictest0-21swapper/000:33:020
22451992522,2cyclictest313-21systemd-journal23:00:000
22451992521,0cyclictest0-21swapper/000:09:230
22451992520,4cyclictest0-21swapper/022:47:530
22451992520,1cyclictest31644-21ssh23:46:190
22451992520,1cyclictest0-21swapper/000:12:200
22451992520,0cyclictest0-21swapper/022:21:230
22451992520,0cyclictest0-21swapper/022:07:510
2245199250,24cyclictest16061-21diskmemload21:46:330
22454992423,1cyclictest23786-21apt-get00:08:513
2245499240,24cyclictest0-21swapper/300:31:583
2245499240,23cyclictest16061-21diskmemload22:48:243
2245499240,23cyclictest16061-21diskmemload22:16:473
2245499240,23cyclictest16061-21diskmemload21:42:473
2245499240,23cyclictest0-21swapper/323:59:303
2245499240,23cyclictest0-21swapper/323:17:213
2245499240,0cyclictest0-21swapper/321:20:513
22453992424,0cyclictest0-21swapper/200:25:102
2245399240,24cyclictest16061-21diskmemload23:29:172
2245399240,23cyclictest17991-21ssh21:12:042
2245399240,23cyclictest16061-21diskmemload00:32:442
2245399240,23cyclictest0-21swapper/223:56:242
2245399240,23cyclictest0-21swapper/223:15:262
2245399240,23cyclictest0-21swapper/221:41:442
2245399240,1cyclictest0-21swapper/222:44:412
22452992422,1cyclictest0-21swapper/123:40:131
22452992422,1cyclictest0-21swapper/121:28:481
2245299240,23cyclictest16061-21diskmemload23:36:001
2245299240,23cyclictest16061-21diskmemload22:05:511
2245299240,23cyclictest0-21swapper/123:53:021
2245299240,23cyclictest0-21swapper/121:40:001
2245299240,23cyclictest0-21swapper/121:17:001
2245299240,0cyclictest16061-21diskmemload21:49:421
2245299240,0cyclictest0-21swapper/122:33:541
2245199242,1cyclictest11260-21sh21:00:010
22451992421,3cyclictest0-21swapper/021:44:360
22451992420,0cyclictest16061-21diskmemload22:26:060
22451992420,0cyclictest0-21swapper/022:13:310
2245199240,3cyclictest14054-21perf20:00:000
2245199240,24cyclictest16061-21diskmemload21:35:170
2245199240,23cyclictest14912-21find00:00:000
2245199240,0cyclictest16061-21diskmemload23:25:590
2245199240,0cyclictest0-21swapper/021:21:360
2245199240,0cyclictest0-21swapper/000:24:210
2245199240,0cyclictest0-21swapper/000:04:500
22454992323,0cyclictest0-21swapper/323:40:113
22454992323,0cyclictest0-21swapper/322:40:213
22454992323,0cyclictest0-21swapper/322:00:283
22454992323,0cyclictest0-21swapper/321:12:493
22454992321,1cyclictest16061-21diskmemload21:19:213
22454992321,1cyclictest0-21swapper/323:01:403
22454992320,2cyclictest9774-21rm23:27:513
22454992320,2cyclictest24113-21munin-run20:20:013
22454992320,2cyclictest16027-21taskset23:33:473
2245499230,23cyclictest0-21swapper/323:22:163
2245499230,23cyclictest0-21swapper/322:29:143
2245499230,23cyclictest0-21swapper/321:37:253
2245499230,22cyclictest28311-21ssh00:12:323
2245499230,22cyclictest22155-21sh23:38:473
2245499230,22cyclictest16061-21diskmemload23:54:343
2245499230,22cyclictest16061-21diskmemload23:46:023
2245499230,22cyclictest16061-21diskmemload00:35:303
2245499230,0cyclictest0-21swapper/322:11:113
2245499230,0cyclictest0-21swapper/321:50:393
22453992323,0cyclictest16061-21diskmemload22:30:352
22453992323,0cyclictest13527-21ssh23:30:132
22453992323,0cyclictest0-21swapper/222:01:392
22453992322,1cyclictest2242-21apt-get20:43:502
22453992321,1cyclictest3208-21ssh21:27:512
22453992321,1cyclictest0-21swapper/222:51:342
2245399230,23cyclictest0-21swapper/221:47:472
2245399230,23cyclictest0-21swapper/221:24:532
2245399230,23cyclictest0-21swapper/200:37:242
2245399230,22cyclictest5006-21ssh21:58:162
2245399230,22cyclictest2862-21kworker/u8:223:08:572
2245399230,22cyclictest24995-21ssh23:12:332
2245399230,22cyclictest16061-21diskmemload22:55:312
2245399230,22cyclictest15319-21ssh22:06:542
2245399230,22cyclictest14464-21rm21:37:582
2245399230,22cyclictest0-21swapper/222:37:592
2245399230,1cyclictest25880-21ssh23:41:042
2245399230,0cyclictest0-21swapper/223:20:442
2245399230,0cyclictest0-21swapper/222:47:262
2245399230,0cyclictest0-21swapper/221:31:062
2245399230,0cyclictest0-21swapper/200:14:342
2245399230,0cyclictest0-21swapper/200:05:092
2245399230,0cyclictest0-21swapper/200:02:122
22452992323,0cyclictest16061-21diskmemload22:00:251
22452992323,0cyclictest0-21swapper/123:21:221
22452992323,0cyclictest0-21swapper/122:16:031
22452992321,1cyclictest2955-21sh21:55:381
22452992321,1cyclictest0-21swapper/123:00:001
22452992321,1cyclictest0-21swapper/122:40:471
22452992320,2cyclictest18783-21ssh21:41:061
22452992320,2cyclictest1154-21ssh00:17:011
2245299230,23cyclictest0-21swapper/123:00:091
2245299230,23cyclictest0-21swapper/122:46:141
2245299230,22cyclictest6819-21sh00:21:301
2245299230,22cyclictest6111-21sh22:27:031
2245299230,22cyclictest29420-21ssh21:50:091
2245299230,22cyclictest29337-21ssh23:15:461
2245299230,22cyclictest25573-21cat00:38:501
2245299230,22cyclictest17468-21rm21:11:261
2245299230,22cyclictest16061-21diskmemload22:51:441
2245299230,22cyclictest12801-21ssh00:26:491
2245299230,22cyclictest0-21swapper/123:10:551
2245299230,1cyclictest0-21swapper/100:05:111
2245299230,0cyclictest0-21swapper/123:49:131
22451992323,0cyclictest0-21swapper/022:50:430
22451992323,0cyclictest0-21swapper/022:30:240
22451992323,0cyclictest0-21swapper/022:19:580
22451992322,0cyclictest22232-21apt-get20:18:520
22451992321,1cyclictest0-21swapper/022:40:010
22451992321,1cyclictest0-21swapper/021:25:330
22451992320,2cyclictest6365-21ssh23:53:260
2245199230,23cyclictest16061-21diskmemload23:37:460
2245199230,22cyclictest17794-21sh21:11:500
2245199230,22cyclictest0-21swapper/000:16:590
2245199230,0cyclictest16061-21diskmemload23:08:000
2245199230,0cyclictest16061-21diskmemload21:51:580
22454992222,0cyclictest0-21swapper/322:37:563
22454992222,0cyclictest0-21swapper/322:30:043
22454992222,0cyclictest0-21swapper/322:20:013
22454992222,0cyclictest0-21swapper/321:30:413
22454992220,1cyclictest16992-21apt-get20:08:503
22454992220,1cyclictest0-21swapper/300:15:523
2245499220,22cyclictest0-21swapper/322:53:473
2245499220,21cyclictest5857-21rm00:20:093
2245499220,21cyclictest16061-21diskmemload22:55:283
2245499220,21cyclictest15380-21ssh00:00:113
2245499220,21cyclictest0-21swapper/321:25:543
2245499220,1cyclictest29276-21apt20:30:003
2245499220,1cyclictest0-21swapper/321:56:003
2245499220,1cyclictest0-21swapper/321:46:263
2245499220,1cyclictest0-21swapper/319:38:503
22453992222,0cyclictest0-21swapper/222:26:142
22453992222,0cyclictest0-21swapper/221:15:152
22453992220,1cyclictest5106-21apt-get00:20:012
22453992220,1cyclictest12181-21apt-get19:58:502
2245399220,22cyclictest16061-21diskmemload00:17:562
2245399220,22cyclictest0-21swapper/221:52:432
2245399220,21cyclictest4999-21apt-get19:43:522
2245399220,21cyclictest31087-21sh22:20:052
2245399220,21cyclictest0-21swapper/223:35:202
2245399220,21cyclictest0-21swapper/223:00:192
2245399220,21cyclictest0-21swapper/222:10:402
2245399220,1cyclictest31039-21ssh23:45:272
2245399220,1cyclictest0-21swapper/223:50:172
2245399220,1cyclictest0-21swapper/222:17:442
22452992220,1cyclictest9741-21rm23:55:201
22452992220,1cyclictest31384-21ssh22:20:351
2245299220,2cyclictest15664-21sh00:00:331
2245299220,22cyclictest0-21swapper/122:11:581
2245299220,21cyclictest8306-21kworker/u8:223:30:301
2245299220,21cyclictest7412-21apt-get19:49:051
2245299220,21cyclictest16094-21perf21:10:011
2245299220,21cyclictest0-21swapper/122:37:161
2245299220,21cyclictest0-21swapper/121:30:281
2245299220,21cyclictest0-21swapper/120:48:511
2245299220,21cyclictest0-21swapper/120:23:521
2245299220,1cyclictest9788-21apt-get19:53:501
2245299220,1cyclictest16061-21diskmemload21:21:361
2245299220,1cyclictest0-21swapper/119:58:501
2245299220,0cyclictest0-21swapper/123:25:041
22451992220,1cyclictest606-21dbus-daemon20:10:010
22451992220,1cyclictest16063-21apt21:10:010
22451992220,1cyclictest0-21swapper/022:36:510
2245199220,21cyclictest19440-21apt-get20:13:490
2245199220,21cyclictest0-21swapper/020:45:000
2245499212,18cyclictest25468-21sh20:23:533
22454992120,1cyclictest4638-21apt-get20:48:523
2245499210,20cyclictest0-21swapper/320:00:003
2245499210,1cyclictest27807-21apt-get19:23:523
2245399210,20cyclictest19440-21apt-get20:13:492
2245399210,1cyclictest32040-21turbostat19:30:012
22452992119,1cyclictest2030-21turbostat19:35:011
2245299210,21cyclictest0-21swapper/100:30:221
2245299210,0cyclictest0-21swapper/123:05:021
2245299210,0cyclictest0-21swapper/120:58:511
22451992121,0cyclictest30197-21apt-get19:28:500
2245199210,20cyclictest12219-21ssh23:00:380
2245499200,20cyclictest0-21swapper/320:53:523
2245499200,19cyclictest0-21swapper/320:13:493
22453992018,1cyclictest16418-21cron20:05:002
22452992020,0cyclictest0-21swapper/120:43:501
22452992020,0cyclictest0-21swapper/120:33:501
22452992020,0cyclictest0-21swapper/120:08:501
22452992020,0cyclictest0-21swapper/119:13:501
22452992019,0cyclictest2579-21apt-get19:38:511
2245299200,0cyclictest0-21swapper/120:38:501
2245299200,0cyclictest0-21swapper/119:43:511
22451992020,0cyclictest0-21swapper/021:03:500
22451992020,0cyclictest0-21swapper/019:53:500
22451992020,0cyclictest0-21swapper/019:18:520
22451992018,1cyclictest8868-21turbostat20:55:000
22454991919,0cyclictest0-21swapper/319:18:513
22453991918,1cyclictest32234-21apt-get20:38:502
22453991918,1cyclictest22991-21apt-get19:13:502
22453991918,1cyclictest0-21swapper/219:53:502
22453991918,0cyclictest24103-21apt-get20:20:022
22452991919,0cyclictest0-21swapper/121:03:501
22452991917,1cyclictest21112-21grep20:13:581
22451991919,0cyclictest0-21swapper/020:48:510
22451991919,0cyclictest0-21swapper/019:43:520
22454991815,2cyclictest1698-21awk20:40:003
22453991818,0cyclictest0-21swapper/220:58:512
22453991816,1cyclictest25390-21apt-get19:18:522
22452991816,1cyclictest24089-21sh20:20:011
22451991818,0cyclictest29841-21apt-get20:33:500
22451991818,0cyclictest0-21swapper/020:28:490
22451991818,0cyclictest0-21swapper/020:03:510
22454991717,0cyclictest0-21swapper/320:43:503
22454991715,1cyclictest14453-21cstates21:08:523
2245499170,0cyclictest0-21swapper/319:43:523
22453991714,2cyclictest29458-21awk19:24:012
22451991716,1cyclictest25049-21apt-get20:23:520
22454991614,1cyclictest0-21swapper/319:53:513
22454991614,1cyclictest0-21swapper/319:35:013
2245399160,9cyclictest783-21snmpd19:49:052
22452991616,0cyclictest0-21swapper/119:18:511
2245199160,1cyclictest1689-21perf20:40:000
2245199160,14cyclictest0-21swapper/019:23:340
22454991513,1cyclictest15218-21expr20:03:543
22453991515,0cyclictest0-21swapper/220:28:502
2245299150,1cyclictest27558-21chrt19:21:031
2245199154,10cyclictest793-21lldpd19:31:530
22451991515,0cyclictest0-21swapper/019:13:500
22451991513,1cyclictest2582-21runrttasks19:38:500
2245499140,14cyclictest0-21swapper/320:58:213
2245499140,14cyclictest0-21swapper/320:30:233
2245499140,14cyclictest0-21swapper/319:45:283
2245499140,0cyclictest0-21swapper/321:02:263
2245499140,0cyclictest0-21swapper/319:25:413
2245499140,0cyclictest0-21swapper/319:10:203
2245399140,2cyclictest8848-21cron20:55:002
2245399140,14cyclictest0-21swapper/221:09:052
2245399140,14cyclictest0-21swapper/221:02:332
2245399140,14cyclictest0-21swapper/220:46:122
2245399140,14cyclictest0-21swapper/220:30:332
2245399140,14cyclictest0-21swapper/220:06:172
2245399140,14cyclictest0-21swapper/219:30:342
2245299140,14cyclictest0-21swapper/120:25:221
2245299140,0cyclictest0-21swapper/120:51:321
2245299140,0cyclictest0-21swapper/120:00:111
2245299140,0cyclictest0-21swapper/119:26:091
22453991313,0cyclictest0-21swapper/219:36:572
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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