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2026-03-27 - 16:51

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 Fri Mar 27, 2026 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3162399250,21cyclictest0-21swapper/209:45:052
3162299250,24cyclictest0-21swapper/109:13:431
3162299250,1cyclictest0-21swapper/109:33:231
31621992523,1cyclictest0-21swapper/011:50:010
31621992523,1cyclictest0-21swapper/010:38:020
31621992523,1cyclictest0-21swapper/010:27:400
3162199250,24cyclictest62550irq/127-eno111:32:260
3162199250,24cyclictest25438-21diskmemload10:30:310
3162199250,24cyclictest17463-21ssh09:34:030
3162199250,24cyclictest0-21swapper/011:11:040
31624992423,1cyclictest28067-21sed11:53:103
3162499240,23cyclictest15509-21perf10:05:003
3162499240,0cyclictest0-21swapper/309:52:113
31623992423,1cyclictest0-21swapper/210:21:302
31623992422,1cyclictest25438-21diskmemload11:38:562
31623992422,1cyclictest0-21swapper/210:34:132
31623992422,1cyclictest0-21swapper/209:30:012
31623992421,0cyclictest0-21swapper/209:33:202
3162399240,24cyclictest25438-21diskmemload12:21:202
3162399240,23cyclictest12350-21ssh11:05:532
3162399240,23cyclictest0-21swapper/210:37:382
3162399240,23cyclictest0-21swapper/210:00:282
31622992424,0cyclictest0-21swapper/112:24:151
31622992423,1cyclictest29150-1kworker/u9:010:41:341
3162299240,23cyclictest7225-21chrt12:03:401
3162299240,23cyclictest25438-21diskmemload11:57:161
3162299240,23cyclictest0-21swapper/111:12:141
3162299240,23cyclictest0-21swapper/110:08:061
3162299240,23cyclictest0-21swapper/110:04:231
3162299240,23cyclictest0-21swapper/109:54:251
31621992423,1cyclictest2605-21rm10:56:150
3162199240,23cyclictest25438-21diskmemload09:58:110
3162199240,23cyclictest25438-21diskmemload09:50:120
3162199240,23cyclictest11255-21awk07:35:000
3162199240,1cyclictest25438-21diskmemload11:00:130
3162199240,1cyclictest0-21swapper/012:20:190
3162199240,1cyclictest0-21swapper/011:35:590
3162199240,0cyclictest25438-21diskmemload12:15:440
3162199240,0cyclictest0-21swapper/012:10:580
31624992323,0cyclictest0-21swapper/310:15:373
31624992323,0cyclictest0-21swapper/309:25:453
3162499230,23cyclictest0-21swapper/312:38:483
3162499230,23cyclictest0-21swapper/312:15:583
3162499230,23cyclictest0-21swapper/309:35:353
3162499230,23cyclictest0-21swapper/309:19:273
3162499230,22cyclictest25438-21diskmemload09:32:483
3162499230,22cyclictest15457-21sh11:40:243
3162499230,22cyclictest0-21swapper/311:17:183
3162499230,0cyclictest25438-21diskmemload12:32:433
3162499230,0cyclictest0-21swapper/311:49:353
3162499230,0cyclictest0-21swapper/310:59:273
3162499230,0cyclictest0-21swapper/310:39:013
3162499230,0cyclictest0-21swapper/310:26:133
3162499230,0cyclictest0-21swapper/310:12:573
31623992323,0cyclictest25438-21diskmemload11:12:042
31623992323,0cyclictest0-21swapper/212:33:592
31623992323,0cyclictest0-21swapper/211:46:002
31623992323,0cyclictest0-21swapper/210:26:132
31623992323,0cyclictest0-21swapper/210:14:132
31623992323,0cyclictest0-21swapper/207:53:022
3162399232,1cyclictest606-21dbus-daemon08:35:012
31623992321,1cyclictest27581-21ssh10:48:242
31623992320,1cyclictest8400-21ssh11:02:342
3162399230,23cyclictest25438-21diskmemload12:09:582
3162399230,23cyclictest0-21swapper/211:40:022
3162399230,23cyclictest0-21swapper/209:19:162
3162399230,22cyclictest783-21snmpd11:29:062
3162399230,22cyclictest6027-21ssh11:31:202
3162399230,22cyclictest4743-21sh09:53:422
3162399230,22cyclictest29543-21ssh10:50:332
3162399230,0cyclictest25438-21diskmemload11:18:042
3162399230,0cyclictest151rcu_preempt11:24:162
3162399230,0cyclictest0-21swapper/212:36:472
3162399230,0cyclictest0-21swapper/210:56:012
3162399230,0cyclictest0-21swapper/209:55:372
31622992323,0cyclictest0-21swapper/112:09:541
31622992323,0cyclictest0-21swapper/111:37:171
31622992323,0cyclictest0-21swapper/110:14:271
31622992323,0cyclictest0-21swapper/109:56:231
31622992322,0cyclictest0-21swapper/111:17:261
31622992321,1cyclictest3546-21perf10:25:011
31622992321,1cyclictest0-21swapper/110:54:401
31622992321,1cyclictest0-21swapper/109:21:301
3162299230,2cyclictest13052-21sh10:34:101
3162299230,23cyclictest0-21swapper/112:11:131
3162299230,23cyclictest0-21swapper/110:19:101
3162299230,23cyclictest0-21swapper/109:27:481
3162299230,23cyclictest0-21swapper/109:17:491
3162299230,22cyclictest8024-21sh10:29:161
3162299230,22cyclictest19166-21sh12:15:521
3162299230,22cyclictest18567-21latency_hist10:40:001
3162299230,22cyclictest0-21swapper/111:50:481
3162299230,1cyclictest497-21perf09:50:001
3162299230,1cyclictest0-21swapper/110:55:561
3162299230,0cyclictest0-21swapper/112:28:461
3162299230,0cyclictest0-21swapper/111:49:381
3162299230,0cyclictest0-21swapper/111:26:401
3162299230,0cyclictest0-21swapper/111:21:371
31621992323,0cyclictest62550irq/127-eno109:21:200
3162199232,21cyclictest62550irq/127-eno109:16:350
31621992322,1cyclictest25438-21diskmemload10:54:180
31621992322,1cyclictest25438-21diskmemload09:46:330
31621992322,1cyclictest0-21swapper/010:40:580
31621992321,1cyclictest0-21swapper/012:02:530
31621992321,1cyclictest0-21swapper/011:41:570
3162199230,2cyclictest27475-21ssh10:17:180
3162199230,23cyclictest27741-21taskset09:44:450
3162199230,23cyclictest0-21swapper/011:07:340
3162199230,23cyclictest0-21swapper/010:22:400
3162199230,22cyclictest25438-21diskmemload12:37:030
3162199230,22cyclictest0-21swapper/010:13:590
3162199230,1cyclictest31986-21apt-get11:25:020
3162199230,1cyclictest14825-21sh10:04:000
3162199230,0cyclictest25438-21diskmemload12:32:100
3162199230,0cyclictest0-21swapper/012:08:160
31624992222,0cyclictest0-21swapper/311:14:273
31624992222,0cyclictest0-21swapper/310:43:493
31624992222,0cyclictest0-21swapper/310:22:133
31624992221,1cyclictest28822-21ssh09:46:023
31624992221,1cyclictest27541-21apt-get09:13:023
31624992220,1cyclictest11707-21ntp_states10:33:093
3162499220,22cyclictest0-21swapper/311:56:053
3162499220,22cyclictest0-21swapper/310:45:413
3162499220,22cyclictest0-21swapper/309:41:053
3162499220,21cyclictest9294-21sh12:06:433
3162499220,21cyclictest5686-21sh11:30:483
3162499220,21cyclictest4353-21apt-get08:28:043
3162499220,21cyclictest4076-21idleruntime-cro07:20:013
3162499220,21cyclictest29473-21ssh12:25:513
3162499220,21cyclictest25438-21diskmemload11:35:213
3162499220,21cyclictest13050-21apt-get12:10:033
3162499220,21cyclictest12063-21rm11:05:263
3162499220,21cyclictest0-21swapper/307:43:053
3162499220,1cyclictest4003-21sh09:21:143
3162499220,1cyclictest0-21swapper/311:24:583
31623992222,0cyclictest25438-21diskmemload11:52:102
31623992222,0cyclictest0-21swapper/209:20:092
31623992220,1cyclictest0-21swapper/209:36:052
31623992219,2cyclictest26629-21ssh10:16:002
31623992219,2cyclictest24926-21sh09:42:542
3162399220,22cyclictest0-21swapper/209:14:452
3162399220,21cyclictest25438-21diskmemload12:00:352
3162399220,21cyclictest0-21swapper/211:58:072
3162399220,1cyclictest0-21swapper/210:43:012
3162399220,0cyclictest0-21swapper/212:17:142
31622992222,0cyclictest0-21swapper/111:05:191
31622992221,1cyclictest0-21swapper/110:45:331
3162299220,21cyclictest29493-21apt-get08:13:031
3162299220,21cyclictest0-21swapper/112:35:431
3162299220,1cyclictest9146-21apt-get08:38:041
3162299220,1cyclictest0-21swapper/111:40:421
3162299220,1cyclictest0-21swapper/111:31:161
3162299220,0cyclictest0-21swapper/111:01:461
3162299220,0cyclictest0-21swapper/109:36:151
31621992222,0cyclictest0-21swapper/011:59:200
31621992222,0cyclictest0-21swapper/009:10:120
31621992221,0cyclictest0-21swapper/010:05:010
3162199220,22cyclictest0-21swapper/009:35:020
3162199220,21cyclictest8415-21diskmemload09:25:170
3162199220,21cyclictest0-21swapper/011:51:280
3162199220,0cyclictest25438-21diskmemload10:45:210
31624992121,0cyclictest25438-21diskmemload09:55:283
31624992121,0cyclictest0-21swapper/311:00:033
31624992120,1cyclictest3774-21ssh12:00:533
31624992119,1cyclictest13459-21ls08:45:013
3162499210,21cyclictest25438-21diskmemload10:51:063
3162499210,21cyclictest0-21swapper/310:06:033
3162499210,20cyclictest21848-21apt-get07:58:053
3162499210,0cyclictest25438-21diskmemload11:27:063
3162499210,0cyclictest24106-21ssh12:20:443
3162499210,0cyclictest23557-21apt-get09:08:043
31623992121,0cyclictest0-21swapper/208:53:042
31623992120,0cyclictest15504-21apt-get10:05:022
31623992119,1cyclictest1439-21sendmail-msp08:20:002
31623992119,1cyclictest0-21swapper/208:05:012
3162399210,21cyclictest0-21swapper/208:28:042
3162399210,20cyclictest0-21swapper/209:03:032
31622992120,1cyclictest24709-21apt-get08:03:051
3162299210,20cyclictest0-21swapper/107:38:031
3162299210,0cyclictest0-21swapper/107:48:041
31621992119,2cyclictest27482-21diskmemload11:20:280
3162199210,21cyclictest0-21swapper/012:25:500
3162199210,20cyclictest11747-21apt-get07:38:030
3162199210,20cyclictest0-21swapper/008:53:050
3162199210,1cyclictest0-21swapper/011:15:430
3162199210,0cyclictest0-21swapper/008:18:030
31624992020,0cyclictest0-21swapper/308:08:043
3162499200,20cyclictest0-21swapper/308:18:043
31623992020,0cyclictest0-21swapper/208:38:032
31622992020,0cyclictest16354-21apt-get08:53:041
31622992020,0cyclictest0-21swapper/107:28:041
31622992020,0cyclictest0-21swapper/107:23:041
3162299200,0cyclictest0-21swapper/108:33:041
31621992020,0cyclictest0-21swapper/008:13:030
31621992020,0cyclictest0-21swapper/008:03:050
31621992020,0cyclictest0-21swapper/007:23:040
31621992018,1cyclictest25441-21cron09:10:000
31624991919,0cyclictest6955-21apt-get07:28:033
31624991919,0cyclictest32102-21apt-get07:13:033
31624991919,0cyclictest0-21swapper/307:48:043
31624991917,1cyclictest31397-21awk08:15:003
31623991917,1cyclictest25467-21perf09:10:002
31622991919,0cyclictest0-21swapper/109:03:041
31621991919,0cyclictest0-21swapper/008:23:050
31621991919,0cyclictest0-21swapper/007:58:040
31621991919,0cyclictest0-21swapper/007:48:040
31621991917,1cyclictest13464-21perf08:45:010
31621991917,1cyclictest0-21swapper/008:10:000
31624991818,0cyclictest1960-21apt-get08:23:053
31624991818,0cyclictest0-21swapper/308:53:043
31624991817,1cyclictest21163-21apt-get09:03:033
31624991817,1cyclictest0-21swapper/308:48:053
31623991818,0cyclictest0-21swapper/208:43:042
31623991818,0cyclictest0-21swapper/208:08:042
31623991818,0cyclictest0-21swapper/207:28:032
31623991818,0cyclictest0-21swapper/207:23:042
31623991818,0cyclictest0-21swapper/207:18:052
31623991818,0cyclictest0-21swapper/207:13:032
31623991817,1cyclictest9352-21apt-get07:33:042
31623991817,1cyclictest0-21swapper/208:48:052
31623991815,2cyclictest605-21avahi-daemon08:25:002
31622991817,0cyclictest0-21swapper/109:08:041
31621991818,0cyclictest0-21swapper/008:38:040
31621991818,0cyclictest0-21swapper/008:28:040
31624991717,0cyclictest4561-21apt-get07:23:043
31624991717,0cyclictest0-21swapper/307:53:023
31624991716,1cyclictest9146-21apt-get08:38:033
31622991717,0cyclictest1960-21apt-get08:23:051
31622991717,0cyclictest0-21swapper/107:33:041
31621991717,0cyclictest0-21swapper/007:13:030
31621991716,0cyclictest0-21swapper/007:28:040
31624991615,1cyclictest6754-21apt-get08:33:043
31624991614,1cyclictest24389-21apt-get08:00:023
3162499160,15cyclictest13755-21basename07:40:003
31622991614,1cyclictest21358-21apt07:55:011
31621991616,0cyclictest0-21swapper/008:58:050
31621991614,1cyclictest0-21swapper/007:45:010
31621991613,2cyclictest7014-21cstates08:33:050
3162199160,15cyclictest0-21swapper/008:50:010
3162499150,1cyclictest0-21swapper/307:33:073
31623991515,0cyclictest0-21swapper/207:48:042
31623991514,0cyclictest0-21swapper/208:13:032
3162399150,1cyclictest13781-21perf07:40:002
31622991514,1cyclictest0-21swapper/107:18:051
31621991515,0cyclictest0-21swapper/007:53:030
31621991513,1cyclictest0-21swapper/007:18:120
3162499140,14cyclictest0-21swapper/308:55:223
31623991414,0cyclictest0-21swapper/207:40:032
3162399140,14cyclictest0-21swapper/208:55:292
3162399140,0cyclictest0-21swapper/207:57:362
31622991414,0cyclictest0-21swapper/107:11:231
3162299140,14cyclictest0-21swapper/108:40:181
3162299140,0cyclictest0-21swapper/108:55:021
3162299140,0cyclictest0-21swapper/108:05:301
3162299140,0cyclictest0-21swapper/107:55:231
3162299140,0cyclictest0-21swapper/107:41:311
31621991414,0cyclictest0-21swapper/009:00:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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