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2026-07-07 - 17:21

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 Jul 07, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
149132118107,6sleep10-21swapper/107:09:121
14830210796,6sleep20-21swapper/207:08:102
14770210796,6sleep00-21swapper/007:07:230
1470329984,10sleep30-21swapper/307:06:313
121832810,1sleep012185-21ssh09:23:410
65622260,0sleep30-21swapper/312:11:103
196922240,1sleep0101ktimersoftd/011:15:400
11652220,1sleep20-21swapper/212:05:572
15008991916,2cyclictest20580-21kworker/u8:111:29:040
15008991916,2cyclictest13205-21kworker/u8:209:31:040
15011991815,2cyclictest8499-21kworker/u8:211:55:052
34902170,0sleep30-21swapper/310:58:513
15011991714,2cyclictest13205-21kworker/u8:209:34:012
1501099173,12cyclictest14952-21sshd11:10:281
15008991714,2cyclictest8499-21kworker/u8:211:54:050
15008991714,2cyclictest4590-21kworker/u8:012:24:050
15008991714,2cyclictest27677-21kworker/u8:009:05:040
241342160,0sleep10-21swapper/109:35:571
1501299161,13cyclictest5534-21ssh09:50:303
1501299161,13cyclictest3945-21apt-get09:15:113
15011991613,2cyclictest5625-21kworker/u8:110:11:042
15011991613,2cyclictest15431-21kworker/u8:208:40:052
15011991613,2cyclictest13479-21kworker/u8:211:15:052
1501099162,12cyclictest0-21swapper/110:00:201
1501099160,14cyclictest0-21swapper/109:05:051
15008991613,2cyclictest798-21kworker/u8:207:56:040
15008991613,2cyclictest27677-21kworker/u8:009:15:050
15008991613,2cyclictest20580-21kworker/u8:111:48:060
15008991613,2cyclictest14972-21kworker/u8:207:10:050
1500899161,13cyclictest5731-21diskstats08:05:140
1500899160,14cyclictest14385-21if_eth010:00:160
257532150,3sleep10-21swapper/111:22:271
1501299150,3cyclictest26953-21head08:56:033
1501299150,14cyclictest0-21swapper/312:30:213
15011991512,2cyclictest8499-21kworker/u8:212:04:042
15011991512,2cyclictest5625-21kworker/u8:110:05:042
15011991512,2cyclictest5625-21kworker/u8:109:18:042
15011991512,2cyclictest26823-21kworker/u8:010:16:022
1501199150,13cyclictest0-21swapper/210:56:022
15010991511,2cyclictest0-21swapper/110:15:161
1501099150,13cyclictest0-21swapper/110:40:061
1500899151,3cyclictest0-21swapper/007:15:150
15008991512,2cyclictest8499-21kworker/u8:212:03:040
15008991512,2cyclictest7498-21kworker/u8:309:53:050
15008991512,2cyclictest6791-21kworker/u8:111:02:040
15008991512,2cyclictest5625-21kworker/u8:110:28:040
15008991512,2cyclictest26462-21kworker/u8:010:59:050
132312150,3sleep10-21swapper/111:09:381
316882140,2sleep30-21swapper/311:29:563
15012991411,2cyclictest0-21swapper/312:37:203
15012991411,2cyclictest0-21swapper/309:22:313
1501299141,11cyclictest0-21swapper/312:15:193
1501299140,2cyclictest0-21swapper/310:22:403
1501299140,13cyclictest0-21swapper/312:24:303
1501299140,13cyclictest0-21swapper/312:04:003
1501299140,13cyclictest0-21swapper/311:30:503
1501299140,13cyclictest0-21swapper/311:09:003
1501299140,13cyclictest0-21swapper/309:46:213
1501299140,12cyclictest25111-21ssh11:21:213
1501299140,12cyclictest0-21swapper/311:55:013
1501299140,12cyclictest0-21swapper/311:38:513
1501299140,12cyclictest0-21swapper/308:35:163
15011991411,2cyclictest4735-21kworker/u8:108:13:052
15011991411,2cyclictest27677-21kworker/u8:009:01:052
15011991411,2cyclictest25122-21ssh10:46:182
15011991411,2cyclictest20580-21kworker/u8:111:30:052
15011991411,2cyclictest12795-21kworker/u8:010:00:032
15011991411,2cyclictest12377-21kworker/u8:210:38:042
15011991411,2cyclictest0-21swapper/211:00:072
1501199140,2cyclictest0-21swapper/211:11:012
1501199140,2cyclictest0-21swapper/207:40:002
1501199140,12cyclictest17703-21munin-node2
1501199140,12cyclictest17295-21sh09:29:272
1501199140,12cyclictest0-21swapper/212:20:162
1501099140,2cyclictest0-21swapper/110:37:451
1501099140,2cyclictest0-21swapper/110:05:161
1501099140,13cyclictest0-21swapper/110:49:351
1501099140,12cyclictest0-21swapper/111:48:091
1501099140,12cyclictest0-21swapper/111:25:111
1501099140,12cyclictest0-21swapper/108:55:391
1501099140,12cyclictest0-21swapper/107:50:091
15008991411,2cyclictest6912-21kworker/u8:010:32:060
15008991411,2cyclictest4735-21kworker/u8:108:11:050
15008991411,2cyclictest26462-21kworker/u8:011:36:040
15008991411,2cyclictest21864-21kworker/u8:210:13:040
15008991411,2cyclictest21263-21kworker/u8:108:58:040
15008991411,2cyclictest13205-21kworker/u8:209:25:050
15008991411,2cyclictest12795-21kworker/u8:010:07:050
15008991411,2cyclictest0-21swapper/012:30:130
15008991411,2cyclictest0-21swapper/012:25:390
15008991411,2cyclictest0-21swapper/010:54:080
15008991411,2cyclictest0-21swapper/010:47:480
15008991411,2cyclictest0-21swapper/008:25:190
1500899141,11cyclictest0-21swapper/009:56:000
1500899140,3cyclictest28266-21iostat_ios10:15:170
1500899140,2cyclictest0-21swapper/012:08:390
1500899140,2cyclictest0-21swapper/011:55:050
1500899140,2cyclictest0-21swapper/011:10:160
1500899140,2cyclictest0-21swapper/009:10:080
1500899140,13cyclictest0-21swapper/012:38:300
1500899140,13cyclictest0-21swapper/009:43:590
1500899140,12cyclictest31382-21diskmemload10:37:290
107832140,3sleep00-21swapper/011:06:040
86072130,1sleep10-21swapper/109:20:051
32572130,2sleep10-21swapper/109:14:301
209742138,2sleep30-21swapper/310:07:103
15012991310,2cyclictest0-21swapper/311:49:013
15012991310,2cyclictest0-21swapper/311:13:403
15012991310,2cyclictest0-21swapper/310:40:413
15012991310,2cyclictest0-21swapper/309:35:333
15012991310,2cyclictest0-21swapper/309:32:013
15012991310,2cyclictest0-21swapper/308:15:103
1501299130,2cyclictest31382-21diskmemload10:45:193
1501299130,2cyclictest20504-21ssh12:26:223
1501299130,2cyclictest0-21swapper/311:44:023
1501299130,2cyclictest0-21swapper/311:18:513
1501299130,2cyclictest0-21swapper/310:00:223
1501299130,2cyclictest0-21swapper/309:56:213
1501299130,2cyclictest0-21swapper/309:42:103
1501299130,12cyclictest0-21swapper/311:00:523
1501299130,12cyclictest0-21swapper/310:36:023
1501299130,12cyclictest0-21swapper/310:31:013
1501299130,12cyclictest0-21swapper/310:25:193
1501299130,12cyclictest0-21swapper/310:17:543
1501299130,12cyclictest0-21swapper/309:26:013
1501299130,12cyclictest0-21swapper/309:12:353
15011991310,2cyclictest8499-21kworker/u8:211:43:052
15011991310,2cyclictest20580-21kworker/u8:111:22:042
15011991310,2cyclictest0-21swapper/211:50:352
15011991310,2cyclictest0-21swapper/211:38:152
15011991310,2cyclictest0-21swapper/211:05:212
15011991310,2cyclictest0-21swapper/210:41:472
15011991310,2cyclictest0-21swapper/210:30:162
15011991310,2cyclictest0-21swapper/209:59:442
15011991310,2cyclictest0-21swapper/209:24:082
15011991310,2cyclictest0-21swapper/209:13:532
1501199130,2cyclictest0-21swapper/212:30:062
1501199130,2cyclictest0-21swapper/211:46:012
1501199130,2cyclictest0-21swapper/210:22:352
1501199130,2cyclictest0-21swapper/207:55:142
1501199130,12cyclictest0-21swapper/212:25:152
1501199130,12cyclictest0-21swapper/212:12:482
1501199130,12cyclictest0-21swapper/210:29:312
1501199130,12cyclictest0-21swapper/209:35:122
1501199130,12cyclictest0-21swapper/208:25:052
1501199130,11cyclictest10445-21ssh12:15:432
1501099131,2cyclictest207150irq/24-eth111:33:541
15010991310,2cyclictest5378-21cut11:35:381
15010991310,2cyclictest31382-21diskmemload09:16:491
15010991310,2cyclictest0-21swapper/112:33:331
15010991310,2cyclictest0-21swapper/112:13:031
15010991310,2cyclictest0-21swapper/112:02:451
15010991310,2cyclictest0-21swapper/111:55:131
15010991310,2cyclictest0-21swapper/111:52:591
15010991310,2cyclictest0-21swapper/111:15:261
15010991310,2cyclictest0-21swapper/110:55:141
15010991310,2cyclictest0-21swapper/110:51:021
15010991310,2cyclictest0-21swapper/110:14:231
15010991310,2cyclictest0-21swapper/109:45:121
15010991310,2cyclictest0-21swapper/109:40:151
15010991310,2cyclictest0-21swapper/108:10:171
1501099130,2cyclictest0-21swapper/112:35:551
1501099130,2cyclictest0-21swapper/110:30:501
1501099130,2cyclictest0-21swapper/110:26:011
1501099130,2cyclictest0-21swapper/109:56:251
1501099130,2cyclictest0-21swapper/107:41:021
1501099130,2cyclictest0-21swapper/107:35:411
1501099130,12cyclictest0-21swapper/111:03:061
1501099130,12cyclictest0-21swapper/109:31:521
1501099130,12cyclictest0-21swapper/109:29:171
1501099130,12cyclictest0-21swapper/108:40:121
1501099130,12cyclictest0-21swapper/107:45:171
1501099130,11cyclictest0-21swapper/108:25:201
15008991310,2cyclictest5625-21kworker/u8:109:36:040
15008991310,2cyclictest31382-21diskmemload11:20:300
15008991310,2cyclictest15431-21kworker/u8:208:36:020
15008991310,2cyclictest0-21swapper/011:31:200
15008991310,2cyclictest0-21swapper/010:41:010
1500899130,2cyclictest0-21swapper/010:24:160
1500899130,2cyclictest0-21swapper/008:40:050
1500899130,12cyclictest0-21swapper/011:41:030
1500899130,12cyclictest0-21swapper/009:46:490
1500899130,12cyclictest0-21swapper/008:46:030
1500899130,12cyclictest0-21swapper/008:20:130
1501299129,2cyclictest27548-21apt-get09:00:113
1501299129,2cyclictest0-21swapper/310:13:333
1501299129,2cyclictest0-21swapper/307:46:043
1501299120,2cyclictest0-21swapper/312:05:173
1501299120,2cyclictest0-21swapper/308:50:393
1501299120,1cyclictest0-21swapper/307:35:183
1501299120,11cyclictest0-21swapper/310:54:013
1501299120,11cyclictest0-21swapper/308:25:143
1501299120,11cyclictest0-21swapper/307:56:013
1501199129,2cyclictest21418-21kworker/u8:107:36:052
1501199129,2cyclictest21263-21kworker/u8:108:57:042
1501199129,2cyclictest10510-21kworker/u8:008:21:052
1501199129,2cyclictest0-21swapper/210:51:392
1501199129,2cyclictest0-21swapper/207:51:032
1501199120,2cyclictest0-21swapper/208:50:122
1501199120,2cyclictest0-21swapper/208:05:142
1501199120,2cyclictest0-21swapper/207:45:162
1501199120,11cyclictest0-21swapper/211:25:012
1501199120,11cyclictest0-21swapper/209:53:492
1501199120,11cyclictest0-21swapper/209:46:352
1501199120,11cyclictest0-21swapper/209:43:462
1501199120,11cyclictest0-21swapper/208:45:172
1501099129,2cyclictest31382-21diskmemload11:40:401
1501099129,2cyclictest0-21swapper/110:20:191
1501099129,2cyclictest0-21swapper/108:35:141
1501099129,2cyclictest0-21swapper/108:16:021
1501099129,2cyclictest0-21swapper/107:30:151
1501099122,8cyclictest0-21swapper/109:00:181
1501099120,11cyclictest0-21swapper/112:26:441
1501099120,11cyclictest0-21swapper/112:22:011
1501099120,11cyclictest0-21swapper/112:15:001
1501099120,11cyclictest0-21swapper/112:06:011
1501099120,11cyclictest0-21swapper/109:50:541
1500899129,2cyclictest21418-21kworker/u8:107:38:050
1500899129,2cyclictest14972-21kworker/u8:207:32:040
1500899129,2cyclictest14972-21kworker/u8:207:20:050
1500899129,2cyclictest10510-21kworker/u8:008:30:040
1500899120,11cyclictest31382-21diskmemload12:12:570
1500899120,11cyclictest0-21swapper/012:17:390
1500899120,11cyclictest0-21swapper/008:50:120
1500899120,11cyclictest0-21swapper/007:42:030
216692110,2sleep30-21swapper/308:45:153
1501299118,2cyclictest28455-21munin-node3
1501299118,2cyclictest0-21swapper/311:50:443
1501299118,2cyclictest0-21swapper/307:28:333
1501299117,2cyclictest0-21swapper/307:20:173
1501199118,2cyclictest21418-21kworker/u8:107:28:042
1501199118,2cyclictest0-21swapper/212:37:552
1501199118,2cyclictest0-21swapper/208:38:282
1501199118,2cyclictest0-21swapper/207:10:012
1501199110,2cyclictest0-21swapper/209:05:082
1501099111,8cyclictest20079-21cat07:20:171
1501099111,2cyclictest15435-21munin-node1
1501099110,9cyclictest21287-21munin-node1
1501099110,9cyclictest0-21swapper/107:10:141
1500899118,2cyclictest798-21kworker/u8:207:54:040
1500899118,2cyclictest4735-21kworker/u8:108:01:050
1500899118,2cyclictest14972-21kworker/u8:207:25:040
1500899118,2cyclictest10510-21kworker/u8:008:17:040
1500899110,2cyclictest0-21swapper/009:01:050
315692100,2sleep331573-21apt-get07:50:093
1501299100,9cyclictest0-21swapper/308:10:173
1501199107,2cyclictest798-21kworker/u8:208:00:042
1501199107,2cyclictest10510-21kworker/u8:008:34:042
1501199107,2cyclictest0-21swapper/208:15:102
1501099100,8cyclictest0-21swapper/108:05:121
1501099100,2cyclictest0-21swapper/108:50:131
1501099100,2cyclictest0-21swapper/108:20:521
1501099100,2cyclictest0-21swapper/108:00:151
1501099100,2cyclictest0-21swapper/107:55:181
1501099100,2cyclictest0-21swapper/107:15:501
31295290,2sleep00-21swapper/007:49:190
150129995,3cyclictest15615-21sed07:10:133
150129994,3cyclictest5370-21aten2.4-expect08:05:123
150129994,3cyclictest4099-21ntp_kernel_pll_08:00:173
150129994,3cyclictest3728-21runrttasks08:22:183
150129994,3cyclictest24132-21missed_timers07:30:203
150129994,3cyclictest19663-21cpu08:40:133
150129994,3cyclictest15435-21munin-node3
150129994,3cyclictest0-21swapper/309:06:013
150119996,2cyclictest14972-21kworker/u8:207:34:052
150119996,2cyclictest14972-21kworker/u8:207:24:052
150109995,3cyclictest21787-21cpuspeed_turbos08:45:141
150129983,4cyclictest15005-21cyclictest07:15:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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