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2026-04-23 - 17:35

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 Thu Apr 23, 2026 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2325799260,25cyclictest8607-21sh11:38:523
23257992523,1cyclictest606-21dbus-daemon08:55:003
23256992523,1cyclictest0-21swapper/210:38:032
2325699250,24cyclictest7373-21cron08:50:012
2325699250,24cyclictest16980-21diskmemload12:10:132
2325599250,24cyclictest23044-21ssh11:52:381
23254992523,2cyclictest0-21swapper/011:49:170
23254992523,1cyclictest16980-21diskmemload10:45:460
23254992523,1cyclictest16980-21diskmemload09:55:300
23257992423,0cyclictest0-21swapper/308:25:203
2325799240,23cyclictest30659-21sh09:22:253
2325799240,23cyclictest18917-21diskmemload09:42:083
2325799240,23cyclictest0-21swapper/312:29:013
2325799240,23cyclictest0-21swapper/311:52:383
2325799240,23cyclictest0-21swapper/310:46:473
23256992423,1cyclictest16980-21diskmemload10:41:192
2325699240,23cyclictest16080-21apt-get09:40:222
2325699240,23cyclictest14034-21ssh11:11:302
23255992422,1cyclictest9777-21idleruntime-cro08:55:001
2325599240,24cyclictest0-21swapper/111:30:371
2325599240,24cyclictest0-21swapper/110:43:061
2325599240,24cyclictest0-21swapper/109:56:291
2325599240,23cyclictest11870-21ssh10:06:161
2325599240,23cyclictest11870-21ssh10:06:161
2325599240,1cyclictest5636-21ssh10:31:531
2325599240,0cyclictest5635-21apt-get07:40:181
2325599240,0cyclictest0-21swapper/111:38:521
23254992422,1cyclictest21809-21sh11:50:360
23254992422,1cyclictest14762-21/usr/sbin/munin12:15:300
2325499240,23cyclictest15561-21sendmail09:40:010
2325499240,23cyclictest0-21swapper/010:55:080
2325499240,0cyclictest0-21swapper/012:26:280
23257992323,0cyclictest0-21swapper/312:36:203
23257992323,0cyclictest0-21swapper/312:06:073
23257992323,0cyclictest0-21swapper/311:28:333
23257992323,0cyclictest0-21swapper/310:35:253
23257992322,1cyclictest0-21swapper/311:48:023
23257992321,1cyclictest0-21swapper/311:25:003
23257992320,2cyclictest10608-21ssh10:05:263
23257992320,2cyclictest10608-21ssh10:05:263
2325799230,23cyclictest0-21swapper/311:55:043
2325799230,23cyclictest0-21swapper/311:06:443
2325799230,22cyclictest901-21ssh10:27:293
2325799230,22cyclictest1471-21ssh12:03:383
2325799230,22cyclictest12109-21rm09:35:273
2325799230,22cyclictest0-21swapper/310:57:353
2325799230,22cyclictest0-21swapper/307:25:213
2325799230,1cyclictest0-21swapper/310:17:033
2325799230,0cyclictest0-21swapper/311:30:373
2325799230,0cyclictest0-21swapper/311:15:003
2325799230,0cyclictest0-21swapper/310:43:063
2325799230,0cyclictest0-21swapper/310:31:533
2325799230,0cyclictest0-21swapper/309:56:293
2325799230,0cyclictest0-21swapper/307:40:183
23256992323,0cyclictest0-21swapper/212:16:062
23256992323,0cyclictest0-21swapper/210:27:092
23256992323,0cyclictest0-21swapper/209:20:352
23256992323,0cyclictest0-21swapper/209:19:572
23256992322,0cyclictest0-21swapper/212:01:572
23256992321,1cyclictest0-21swapper/211:51:362
23256992321,1cyclictest0-21swapper/208:20:022
2325699230,2cyclictest24496-21ssh10:50:252
2325699230,2cyclictest19240-21unixbench_multi09:10:312
2325699230,2cyclictest11999-21seq10:06:282
2325699230,2cyclictest11999-21seq10:06:282
2325699230,23cyclictest0-21swapper/210:33:452
2325699230,23cyclictest0-21swapper/209:48:202
2325699230,23cyclictest0-21swapper/209:25:512
2325699230,22cyclictest8816-21ssh09:32:182
2325699230,22cyclictest6028-21ssh12:07:462
2325699230,22cyclictest16980-21diskmemload09:56:542
2325699230,22cyclictest14959-21munin-run08:00:012
2325699230,20cyclictest16980-21diskmemload11:07:112
2325699230,0cyclictest16980-21diskmemload11:35:342
2325699230,0cyclictest0-21swapper/211:01:172
23255992323,0cyclictest0-21swapper/112:36:201
23255992323,0cyclictest0-21swapper/112:12:191
23255992323,0cyclictest0-21swapper/111:06:071
23255992323,0cyclictest0-21swapper/110:35:251
23255992322,0cyclictest0-21swapper/108:25:201
2325599230,2cyclictest22388-21ssh09:15:081
2325599230,2cyclictest20284-21diskmemload09:44:261
2325599230,23cyclictest21147-21sh10:46:471
2325599230,23cyclictest0-21swapper/111:15:001
2325599230,23cyclictest0-21swapper/109:47:161
2325599230,22cyclictest5716-21ssh12:07:191
2325599230,22cyclictest4331-21diskmemload11:02:151
2325599230,22cyclictest25443-21ssh11:23:201
2325599230,22cyclictest12842-21sh12:15:141
2325599230,22cyclictest12107-21grep09:35:271
2325599230,22cyclictest0-21swapper/109:22:251
2325599230,0cyclictest0-21swapper/111:56:201
2325599230,0cyclictest0-21swapper/109:12:301
23254992323,0cyclictest18030-21apt-get08:05:200
23254992323,0cyclictest16980-21diskmemload11:00:180
23254992323,0cyclictest16980-21diskmemload09:49:530
23254992323,0cyclictest16980-21diskmemload09:15:450
23254992323,0cyclictest0-21swapper/011:05:030
23254992323,0cyclictest0-21swapper/010:13:420
23254992323,0cyclictest0-21swapper/009:52:040
23254992322,1cyclictest62550irq/127-eno110:40:320
23254992322,1cyclictest62550irq/127-eno110:30:100
23254992322,1cyclictest0-21swapper/010:05:290
23254992322,1cyclictest0-21swapper/010:05:290
23254992321,1cyclictest0-21swapper/011:20:230
23254992321,1cyclictest0-21swapper/010:20:350
23254992321,1cyclictest0-21swapper/009:23:410
23254992321,1cyclictest0-21swapper/008:50:010
2325499230,23cyclictest0-21swapper/010:37:160
2325499230,23cyclictest0-21swapper/010:29:040
2325499230,22cyclictest32250-21ssh12:00:530
2325499230,22cyclictest27097-21ssh11:55:530
2325499230,22cyclictest26055-21ssh10:51:220
2325499230,22cyclictest19808-21sh09:11:230
2325499230,22cyclictest11651-21ssh11:10:210
2325499230,0cyclictest0-21swapper/010:15:060
2325499230,0cyclictest0-21swapper/009:32:400
23257992220,2cyclictest17173-21sh10:11:053
2325799221,1cyclictest31319-21kworker/u8:112:33:003
2325799221,1cyclictest31319-21kworker/u8:112:33:003
2325799220,22cyclictest0-21swapper/311:40:223
2325799220,21cyclictest22242-21hddtemp_smartct09:45:243
2325799220,21cyclictest0-21swapper/312:15:143
2325799220,21cyclictest0-21swapper/311:00:113
2325799220,21cyclictest0-21swapper/310:51:363
2325799220,21cyclictest0-21swapper/309:31:373
2325799220,21cyclictest0-21swapper/309:25:123
2325799220,21cyclictest0-21swapper/309:10:273
2325799220,21cyclictest0-21swapper/307:35:203
2325799220,1cyclictest6850-21sh10:01:293
2325799220,1cyclictest25156-21ssh10:20:173
2325799220,1cyclictest0-21swapper/311:19:573
2325799220,0cyclictest0-21swapper/312:20:023
23256992222,0cyclictest0-21swapper/209:36:592
23256992220,2cyclictest25260-21ssh12:25:562
23256992220,1cyclictest26654-21apt-get09:50:212
23256992220,1cyclictest20634-21ssh10:45:492
23256992219,2cyclictest30407-21ssh12:31:042
23256992219,2cyclictest30407-21ssh12:31:042
23256992219,2cyclictest2828-21ssh12:35:372
2325699220,2cyclictest21625-21ssh12:23:272
2325699220,22cyclictest29884-21ssh11:27:182
2325699220,22cyclictest0-21swapper/211:44:042
2325699220,22cyclictest0-21swapper/210:20:132
2325699220,22cyclictest0-21swapper/210:01:222
2325699220,21cyclictest30460-21perf07:25:002
2325699220,21cyclictest20428-21apt-get08:10:222
2325699220,21cyclictest20072-21/usr/sbin/munin10:15:272
2325699220,21cyclictest16980-21diskmemload10:55:202
2325699220,21cyclictest0-21swapper/211:20:202
2325699220,1cyclictest15292-21sh11:45:222
2325699220,1cyclictest0-21swapper/211:30:322
23255992222,0cyclictest0-21swapper/111:25:451
23255992222,0cyclictest0-21swapper/110:58:111
23255992221,1cyclictest8023-21ssh09:30:591
23255992221,1cyclictest32300-21sh12:34:031
23255992221,1cyclictest32300-21sh12:34:031
23255992221,1cyclictest14966-21apt-get10:10:211
23255992220,1cyclictest25190-21ssh10:50:301
23255992220,1cyclictest16689-21apt-get11:15:211
2325599220,22cyclictest16980-21diskmemload12:25:101
2325599220,22cyclictest0-21swapper/112:20:021
2325599220,22cyclictest0-21swapper/111:45:021
2325599220,22cyclictest0-21swapper/111:40:221
2325599220,22cyclictest0-21swapper/107:25:211
2325599220,21cyclictest27197-21ssh10:20:431
2325599220,21cyclictest23476-21apt-get07:10:211
2325599220,21cyclictest16980-21diskmemload09:25:121
2325599220,21cyclictest0-21swapper/110:25:201
2325599220,21cyclictest0-21swapper/110:04:311
2325599220,21cyclictest0-21swapper/107:35:201
2325599220,1cyclictest1096-21sh12:02:571
2325599220,0cyclictest0-21swapper/110:16:061
2325599220,0cyclictest0-21swapper/109:50:451
23254992222,0cyclictest16980-21diskmemload11:15:070
23254992222,0cyclictest0-21swapper/011:30:200
23254992221,1cyclictest7512-21ssh10:02:290
2325499220,21cyclictest681-21rm12:35:040
2325499220,21cyclictest5210-21ssh12:06:250
2325499220,21cyclictest22819-21apt-get08:15:210
2325499220,21cyclictest16929-21irqstats09:40:250
2325499220,21cyclictest14953-21apt-get08:00:010
2325499220,21cyclictest12557-21perf07:55:010
2325499220,21cyclictest0-21swapper/012:12:150
2325499220,21cyclictest0-21swapper/011:36:300
2325499220,21cyclictest0-21swapper/009:25:220
2325499220,21cyclictest0-21swapper/007:35:200
2325499220,1cyclictest691-21apt-get07:30:200
2325499220,1cyclictest26950-21apt-get11:25:200
2325499220,1cyclictest0-21swapper/012:30:420
2325499220,1cyclictest0-21swapper/012:30:420
2325499220,1cyclictest0-21swapper/011:42:490
23257992121,0cyclictest0-21swapper/309:50:453
23257992120,1cyclictest14881-21apt-get09:05:183
2325799210,21cyclictest0-21swapper/307:10:213
2325799210,0cyclictest0-21swapper/308:10:223
23256992121,0cyclictest0-21swapper/210:10:292
23256992120,0cyclictest30736-21apt-get07:25:212
23256992119,1cyclictest622-21gdbus08:10:002
2325699210,20cyclictest16980-21diskmemload11:15:122
2325699210,20cyclictest0-21swapper/211:55:492
2325699210,1cyclictest28089-21apt-get08:25:202
23255992121,0cyclictest0-21swapper/107:15:201
23255992119,1cyclictest0-21swapper/108:45:011
2325599210,0cyclictest0-21swapper/108:10:221
23254992119,1cyclictest28045-21perf07:20:000
23254992119,1cyclictest27809-21ls08:25:000
23254992119,1cyclictest25645-21ls07:15:010
2325499210,21cyclictest0-21swapper/012:20:200
2325499210,20cyclictest16973-21cron09:10:000
2325499210,20cyclictest0-21swapper/007:25:210
23257992020,0cyclictest0-21swapper/308:40:213
23257992019,1cyclictest28341-21apt-get07:20:203
23257992018,1cyclictest606-21dbus-daemon09:00:003
23256992020,0cyclictest0-21swapper/208:00:022
23256992019,1cyclictest3117-21apt-get07:35:202
23257991918,1cyclictest30485-21apt-get08:30:203
23257991918,0cyclictest0-21swapper/308:00:023
23256991919,0cyclictest0-21swapper/209:00:202
23256991919,0cyclictest0-21swapper/208:35:202
23256991918,1cyclictest0-21swapper/207:30:202
23255991919,0cyclictest0-21swapper/109:05:181
23255991919,0cyclictest0-21swapper/107:20:201
23255991918,1cyclictest14953-21apt-get08:00:021
23255991917,1cyclictest12216-21munin-run09:00:001
23254991919,0cyclictest0-21swapper/008:30:200
23254991919,0cyclictest0-21swapper/007:40:180
23256991818,0cyclictest0-21swapper/209:05:182
23256991818,0cyclictest0-21swapper/208:15:212
23256991817,1cyclictest606-21dbus-daemon07:50:012
23254991818,0cyclictest0-21swapper/009:00:200
23254991818,0cyclictest0-21swapper/008:50:190
23254991818,0cyclictest0-21swapper/008:40:210
23254991818,0cyclictest0-21swapper/008:35:200
23254991817,1cyclictest8033-21apt-get07:45:200
23257991715,1cyclictest10428-21apt-get07:50:213
23255991717,0cyclictest0-21swapper/108:30:201
23254991717,0cyclictest0-21swapper/008:00:200
2325499170,17cyclictest0-21swapper/007:20:200
23257991614,2cyclictest28054-21awk07:20:003
23256991616,0cyclictest0-21swapper/208:50:192
23256991615,0cyclictest0-21swapper/208:30:202
2325699160,2cyclictest23618-21tr07:10:222
2325599163,12cyclictest622-21gdbus08:25:001
23255991615,0cyclictest0-21swapper/107:50:211
2325599160,15cyclictest152491phc2sys07:55:321
23254991616,0cyclictest0-21swapper/009:00:000
2325499160,15cyclictest606-21dbus-daemon08:30:000
2325699150,0cyclictest0-21swapper/208:55:202
2325699150,0cyclictest0-21swapper/207:19:342
23257991414,0cyclictest0-21swapper/308:35:213
23257991414,0cyclictest0-21swapper/308:15:313
23257991414,0cyclictest0-21swapper/308:05:483
23257991414,0cyclictest0-21swapper/307:55:203
2325799140,14cyclictest0-21swapper/309:00:123
2325799140,14cyclictest0-21swapper/308:46:223
2325799140,14cyclictest0-21swapper/308:20:163
2325799140,0cyclictest0-21swapper/307:45:073
2325799140,0cyclictest0-21swapper/307:30:363
2325699140,0cyclictest0-21swapper/208:40:012
2325699140,0cyclictest0-21swapper/207:51:232
23255991414,0cyclictest0-21swapper/109:00:121
2325599140,14cyclictest0-21swapper/108:35:231
2325599140,14cyclictest0-21swapper/108:06:441
2325599140,14cyclictest0-21swapper/107:45:071
2325599140,14cyclictest0-21swapper/107:30:361
2325599140,0cyclictest0-21swapper/108:45:121
2325499140,0cyclictest0-21swapper/008:10:540
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