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2026-08-09 - 15:24

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 Sun Aug 09, 2026 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1551299260,25cyclictest8748-21diskmemload22:30:591
1552299250,2cyclictest13897-21apt-get00:09:193
1552299250,24cyclictest0-21swapper/300:33:403
1551699250,1cyclictest0-21swapper/222:06:392
1551299250,24cyclictest8748-21diskmemload22:05:491
1551299250,24cyclictest25923-21ssh21:24:581
1551299250,24cyclictest22053-21ssh23:18:051
1550999250,24cyclictest8748-21diskmemload23:15:090
1550999250,24cyclictest27569-21ssh00:20:270
1550999250,24cyclictest0-21swapper/021:36:350
15522992423,1cyclictest0-21swapper/322:26:313
15522992421,2cyclictest29787-21sh21:58:143
1552299240,23cyclictest21348-21ssh23:45:243
1552299240,23cyclictest0-21swapper/321:26:373
1552299240,1cyclictest0-21swapper/323:56:343
15516992422,1cyclictest0-21swapper/222:27:082
15516992411,0cyclictest0-21swapper/221:59:192
1551699240,23cyclictest8748-21diskmemload22:52:572
1551699240,23cyclictest8748-21diskmemload22:52:572
1551699240,23cyclictest28361-21dump-pmu-power22:25:012
1551699240,23cyclictest0-21swapper/223:00:202
15512992422,2cyclictest6906-21ssh23:33:161
15512992422,1cyclictest19380-21perf23:15:001
1551299240,24cyclictest0-21swapper/123:52:591
1551299240,24cyclictest0-21swapper/123:43:561
1551299240,24cyclictest0-21swapper/121:10:441
1551299240,23cyclictest4207-21sh22:04:181
1551299240,23cyclictest32265-21cstates22:29:181
1551299240,23cyclictest0-21swapper/121:41:041
1551299240,0cyclictest8748-21diskmemload23:09:301
1550999243,0cyclictest62550irq/127-eno122:17:420
1550999240,23cyclictest27108-21apt00:20:000
1550999240,23cyclictest12816-21rm21:42:530
1550999240,23cyclictest0-21swapper/023:36:130
1550999240,0cyclictest8748-21diskmemload23:40:480
15522992323,0cyclictest8748-21diskmemload22:05:103
15522992323,0cyclictest0-21swapper/323:35:363
15522992323,0cyclictest0-21swapper/323:23:123
15522992323,0cyclictest0-21swapper/300:02:213
15522992322,0cyclictest8748-21diskmemload22:20:033
15522992321,1cyclictest13266-21sh22:12:183
1552299230,2cyclictest9842-21ssh23:06:543
1552299230,23cyclictest0-21swapper/323:51:543
1552299230,23cyclictest0-21swapper/323:26:133
1552299230,23cyclictest0-21swapper/322:44:583
1552299230,23cyclictest0-21swapper/322:34:463
1552299230,23cyclictest0-21swapper/322:00:363
1552299230,22cyclictest8748-21diskmemload21:30:143
1552299230,22cyclictest4905-21ssh00:29:263
1552299230,22cyclictest19674-21sh22:46:233
1552299230,22cyclictest15802-21sh21:16:113
1552299230,22cyclictest15802-21sh21:16:113
1552299230,1cyclictest12015-21sh21:13:443
1552299230,0cyclictest8748-21diskmemload21:40:563
1552299230,0cyclictest8748-21diskmemload00:23:013
1552299230,0cyclictest0-21swapper/323:31:283
1552299230,0cyclictest0-21swapper/322:51:433
1552299230,0cyclictest0-21swapper/322:51:433
1552299230,0cyclictest0-21swapper/321:53:013
1552299230,0cyclictest0-21swapper/321:39:593
1552299230,0cyclictest0-21swapper/321:04:163
15516992323,0cyclictest8748-21diskmemload00:31:402
15516992323,0cyclictest0-21swapper/223:32:232
15516992323,0cyclictest0-21swapper/222:13:432
15516992322,1cyclictest0-21swapper/222:15:442
15516992321,1cyclictest0-21swapper/222:34:162
15516992321,1cyclictest0-21swapper/200:36:522
15516992320,2cyclictest3637-21ssh22:04:162
15516992319,3cyclictest0-21swapper/222:39:282
1551699230,2cyclictest2175-21ssh00:27:362
1551699230,23cyclictest0-21swapper/222:44:192
1551699230,23cyclictest0-21swapper/221:52:562
1551699230,22cyclictest9753-21ssh23:06:462
1551699230,22cyclictest23297-21ssh00:17:032
1551699230,22cyclictest17117-21apt20:20:002
1551699230,22cyclictest0-21swapper/221:45:382
1551699230,22cyclictest0-21swapper/221:37:042
1551699230,22cyclictest0-21swapper/221:30:252
1551699230,0cyclictest0-21swapper/223:26:362
1551699230,0cyclictest0-21swapper/221:22:372
1551699230,0cyclictest0-21swapper/221:14:592
1551699230,0cyclictest0-21swapper/200:00:352
15512992323,0cyclictest0-21swapper/122:55:071
15512992323,0cyclictest0-21swapper/121:59:381
15512992323,0cyclictest0-21swapper/100:00:041
15512992321,1cyclictest28050-21rm21:27:011
15512992321,1cyclictest0-21swapper/123:35:221
15512992321,1cyclictest0-21swapper/122:45:051
15512992321,1cyclictest0-21swapper/122:15:011
15512992321,1cyclictest0-21swapper/121:36:271
15512992321,1cyclictest0-21swapper/100:32:171
1551299230,23cyclictest0-21swapper/122:19:391
1551299230,22cyclictest3699-21ssh23:00:591
1551299230,22cyclictest32696-21rm23:55:511
1551299230,22cyclictest21305-21ssh23:45:211
1551299230,22cyclictest18338-21ssh21:47:471
1551299230,22cyclictest12043-21sh00:35:511
1551299230,22cyclictest0-21swapper/122:22:511
1551299230,0cyclictest0-21swapper/123:23:051
15509992323,0cyclictest0-21swapper/022:07:140
15509992323,0cyclictest0-21swapper/021:23:460
15509992320,2cyclictest32469-21diskmemload23:55:260
15509992320,2cyclictest28671-21ssh23:52:580
15509992320,2cyclictest23764-21ssh23:48:490
15509992320,2cyclictest16011-21ssh00:09:550
1550999231,21cyclictest62550irq/127-eno122:01:050
1550999230,2cyclictest30268-21sh22:55:400
1550999230,2cyclictest15257-21cut22:14:200
1550999230,2cyclictest12696-21ssh22:39:350
1550999230,23cyclictest0-21swapper/023:20:400
1550999230,23cyclictest0-21swapper/023:00:150
1550999230,23cyclictest0-21swapper/021:55:010
1550999230,23cyclictest0-21swapper/021:30:400
1550999230,23cyclictest0-21swapper/000:37:540
1550999230,23cyclictest0-21swapper/000:35:010
1550999230,22cyclictest5636-21rm00:00:270
1550999230,22cyclictest28243-21sh22:24:540
1550999230,22cyclictest26825-21ssh21:25:180
1550999230,22cyclictest19435-21ssh22:45:550
1550999230,22cyclictest108922sleep023:08:250
1550999230,1cyclictest62550irq/127-eno123:28:200
1550999230,1cyclictest30483-21ssh22:27:040
1550999230,0cyclictest0-21swapper/023:14:310
1550999230,0cyclictest0-21swapper/021:47:470
15522992222,0cyclictest8748-21diskmemload21:20:163
15522992222,0cyclictest0-21swapper/321:45:033
15522992222,0cyclictest0-21swapper/300:38:223
1552299220,2cyclictest16538-21sh00:10:163
1552299220,22cyclictest0-21swapper/323:10:523
1552299220,22cyclictest0-21swapper/323:01:373
1552299220,22cyclictest0-21swapper/322:55:193
1552299220,22cyclictest0-21swapper/320:19:183
1552299220,21cyclictest8748-21diskmemload22:36:063
1552299220,21cyclictest23076-21idleruntime-cro19:25:003
1552299220,21cyclictest10499-21apt-get20:09:163
1552299220,21cyclictest0-21swapper/323:40:473
1552299220,21cyclictest0-21swapper/319:59:153
1552299220,1cyclictest20060-21rm23:15:053
15516992222,0cyclictest0-21swapper/223:55:092
15516992222,0cyclictest0-21swapper/221:44:162
15516992222,0cyclictest0-21swapper/221:25:132
15516992221,1cyclictest8748-21diskmemload00:12:072
15516992220,1cyclictest0-21swapper/223:15:112
15516992220,1cyclictest0-21swapper/223:10:122
15516992220,1cyclictest0-21swapper/221:15:532
15516992220,1cyclictest0-21swapper/221:15:532
1551699220,21cyclictest8748-21diskmemload23:45:442
1551699220,21cyclictest23593-21ssh22:49:282
1551699220,21cyclictest15958-21sh23:40:312
1551699220,21cyclictest0-21swapper/223:35:182
1551699220,21cyclictest0-21swapper/220:50:012
1551699220,1cyclictest30406-21diskmemload23:54:192
1551699220,1cyclictest29930-21ssh22:55:062
1551699220,1cyclictest27579-21ssh00:20:282
1551699220,1cyclictest0-21swapper/200:05:332
15512992222,0cyclictest0-21swapper/122:51:001
15512992222,0cyclictest0-21swapper/122:51:001
15512992222,0cyclictest0-21swapper/121:51:011
15512992222,0cyclictest0-21swapper/100:11:071
15512992220,1cyclictest7804-21ssh22:35:171
15512992220,1cyclictest0-21swapper/119:15:011
1551299220,21cyclictest8748-21diskmemload22:40:501
1551299220,21cyclictest8748-21diskmemload00:25:061
1551299220,21cyclictest28177-21diskmemload00:21:131
1551299220,21cyclictest21258-21apt-get19:24:151
1551299220,21cyclictest0-21swapper/119:14:161
1551299220,1cyclictest32335-21ssh21:30:131
1551299220,1cyclictest12703-21ssh00:07:391
1551299220,0cyclictest0-21swapper/121:15:461
1551299220,0cyclictest0-21swapper/121:15:461
15509992221,1cyclictest13196-21ssh22:40:060
15509992221,1cyclictest0-21swapper/000:11:010
15509992220,1cyclictest2138-21sh22:30:020
15509992219,2cyclictest30282-21latency_hist19:40:000
1550999220,22cyclictest0-21swapper/023:30:230
1550999220,22cyclictest0-21swapper/022:51:030
1550999220,22cyclictest0-21swapper/022:51:030
1550999220,21cyclictest8748-21diskmemload21:50:150
1550999220,21cyclictest15068-21ssh21:15:010
1550999220,21cyclictest15068-21ssh21:15:010
1550999220,21cyclictest14718-21perf20:15:000
1550999220,1cyclictest19535-21munin-run20:25:000
1550999220,1cyclictest1216-21ssh00:26:140
15522992121,0cyclictest0-21swapper/300:15:513
15522992118,2cyclictest24904-21apt-get20:39:153
1552299210,21cyclictest0-21swapper/322:15:233
1552299210,20cyclictest22509-21apt-get20:34:163
1552299210,20cyclictest2095-21apt-get20:59:153
1552299210,20cyclictest0-21swapper/319:34:143
1551699210,20cyclictest23656-21apt-get19:29:172
1551699210,20cyclictest0-21swapper/220:39:152
1551699210,0cyclictest0-21swapper/219:24:152
15512992119,1cyclictest1483-21sh20:55:001
1551299210,21cyclictest0-21swapper/123:25:091
15509992121,0cyclictest0-21swapper/021:10:370
15509992121,0cyclictest0-21swapper/019:54:160
15509992121,0cyclictest0-21swapper/019:29:170
15509992119,1cyclictest17144-21awk20:20:000
15522992019,1cyclictest0-21swapper/320:04:183
1552299200,0cyclictest0-21swapper/319:15:013
15516992020,0cyclictest0-21swapper/220:09:162
15516992020,0cyclictest0-21swapper/219:15:012
15512992019,1cyclictest0-21swapper/120:44:151
15512992018,1cyclictest10499-21apt-get20:09:151
15509992020,0cyclictest4512-21apt-get21:04:160
1550999200,0cyclictest0-21swapper/019:44:160
15516991919,0cyclictest0-21swapper/219:34:142
15516991917,1cyclictest24330-21awk20:35:012
15516991917,1cyclictest16050-21apt-get19:14:162
15516991916,2cyclictest8763-21apt21:10:002
15512991919,0cyclictest0-21swapper/120:39:151
15512991919,0cyclictest0-21swapper/120:04:181
15512991917,1cyclictest313-21systemd-journal19:50:011
15516991818,0cyclictest27322-21apt-get20:44:152
15516991818,0cyclictest0-21swapper/220:14:162
15516991818,0cyclictest0-21swapper/220:04:172
15516991817,1cyclictest3921-21perf21:00:002
15516991817,0cyclictest20110-21apt-get20:29:162
15512991818,0cyclictest0-21swapper/121:04:161
15512991818,0cyclictest0-21swapper/120:14:161
15509991818,0cyclictest0-21swapper/020:59:150
15509991818,0cyclictest0-21swapper/020:49:160
15509991818,0cyclictest0-21swapper/020:39:150
15509991818,0cyclictest0-21swapper/019:34:140
15509991818,0cyclictest0-21swapper/019:24:150
1550999180,18cyclictest0-21swapper/019:15:290
15516991714,2cyclictest2672-21munin-run19:50:012
15512991716,0cyclictest26048-21apt-get19:34:141
1551299170,0cyclictest0-21swapper/120:34:161
15509991717,0cyclictest6904-21apt-get21:09:150
15509991717,0cyclictest0-21swapper/019:59:160
15509991717,0cyclictest0-21swapper/019:14:160
15522991616,0cyclictest0-21swapper/320:49:163
15522991614,1cyclictest32113-21apt-get20:54:163
15522991614,1cyclictest19534-21perf20:25:003
1552299160,15cyclictest4983-21taskset19:54:313
1552299160,15cyclictest12885-21awk20:14:153
15516991616,0cyclictest0-21swapper/220:24:152
15516991614,1cyclictest0-21swapper/219:59:162
15512991616,0cyclictest0-21swapper/119:44:161
15509991616,0cyclictest8055-21apt-get20:04:170
15516991515,0cyclictest0-21swapper/221:04:162
15512991515,0cyclictest0-21swapper/120:58:571
15512991515,0cyclictest0-21swapper/120:19:181
15512991513,1cyclictest0-21swapper/120:29:261
1550999150,1cyclictest0-21swapper/020:10:000
15522991414,0cyclictest0-21swapper/319:25:543
1552299140,14cyclictest0-21swapper/321:05:233
1552299140,14cyclictest0-21swapper/320:41:373
1552299140,14cyclictest0-21swapper/319:45:313
1552299140,14cyclictest0-21swapper/319:10:263
1552299140,0cyclictest0-21swapper/320:25:243
1551699140,0cyclictest0-21swapper/219:50:242
1551699140,0cyclictest0-21swapper/219:35:032
15512991414,0cyclictest0-21swapper/120:45:281
15512991414,0cyclictest0-21swapper/119:53:051
1551299140,0cyclictest0-21swapper/121:06:081
1551299140,0cyclictest0-21swapper/120:20:441
1551299140,0cyclictest0-21swapper/119:36:281
1550999140,14cyclictest0-21swapper/020:32:280
1550999140,14cyclictest0-21swapper/019:45:040
1550999140,0cyclictest0-21swapper/020:25:230
15516991313,0cyclictest0-21swapper/220:51:422
15516991313,0cyclictest0-21swapper/219:41:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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