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2026-08-02 - 23:39

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 Sun Aug 02, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13716212193,21sleep00-21swapper/007:05:190
144232115104,6sleep20-21swapper/207:06:102
12949211184,19sleep30-21swapper/307:05:153
14582210080,15sleep10-21swapper/107:08:141
191822750,1sleep1221ktimersoftd/110:37:021
229592730,0sleep20-21swapper/207:30:002
59632270,0sleep10-21swapper/109:50:211
182292240,1sleep2301ktimersoftd/212:15:322
288102230,0sleep00-21swapper/009:05:140
184072220,0sleep20-21swapper/208:39:592
14752992218,2cyclictest0-21swapper/211:00:122
14751992219,2cyclictest20785-21kworker/u8:210:14:051
1475099221,19cyclictest0-21swapper/011:00:120
103602220,1sleep110363-21sed08:16:031
14751992117,3cyclictest25807-21kworker/u8:010:04:051
146142210,0sleep10-21swapper/111:05:191
1475399200,18cyclictest0-21swapper/311:45:113
1475299200,18cyclictest0-21swapper/209:05:122
14751992017,2cyclictest24535-21kworker/u8:011:37:041
1475099200,18cyclictest0-21swapper/009:55:120
1475399190,18cyclictest0-21swapper/310:03:043
14751991916,2cyclictest25807-21kworker/u8:010:05:021
14751991916,2cyclictest25007-21kworker/u8:011:51:051
14751991916,2cyclictest21107-21kworker/u8:107:59:051
14751991916,2cyclictest19800-21kworker/u8:111:49:041
14751991916,2cyclictest10868-21kworker/u8:211:18:051
1475099190,2cyclictest0-21swapper/010:38:040
1475099190,18cyclictest0-21swapper/010:49:040
14751991815,2cyclictest603-21kworker/u8:112:31:041
14751991815,2cyclictest4364-21kworker/u8:208:20:051
14751991815,2cyclictest30752-21kworker/u8:009:26:051
14751991815,2cyclictest26079-21kworker/u8:010:33:041
14751991815,2cyclictest24535-21kworker/u8:011:44:051
14751991815,2cyclictest15188-21kworker/u8:012:13:041
14751991815,2cyclictest10483-21kworker/u8:109:05:041
1475199180,4cyclictest0-21swapper/110:27:051
1475099182,2cyclictest0-21swapper/009:46:040
14751991714,2cyclictest3798-21kworker/u8:111:00:061
14751991714,2cyclictest21107-21kworker/u8:107:34:051
14751991714,2cyclictest19969-21kworker/u8:008:59:041
14751991714,2cyclictest15033-21kworker/u8:207:15:041
14751991714,2cyclictest10828-21kworker/u8:109:35:051
1475199170,8cyclictest0-21swapper/109:15:041
1475199170,2cyclictest0-21swapper/109:57:041
14750991714,2cyclictest24535-21kworker/u8:011:20:040
14753991613,2cyclictest5962-21kworker/u8:212:37:053
1475399160,14cyclictest12579-21df_abs12:10:143
1475199161,3cyclictest3649-21snmpd11:31:551
14751991613,2cyclictest4364-21kworker/u8:208:08:041
14751991613,2cyclictest4364-21kworker/u8:208:02:011
14751991613,2cyclictest21483-21kworker/u8:010:57:041
14751991613,2cyclictest21483-21kworker/u8:010:53:051
14751991613,2cyclictest16158-21kworker/u8:111:13:041
14751991613,2cyclictest15033-21kworker/u8:207:13:041
14751991613,2cyclictest10483-21kworker/u8:108:36:051
14751991613,2cyclictest0-21swapper/108:25:211
1475199160,2cyclictest0-21swapper/110:17:041
1475199160,2cyclictest0-21swapper/109:49:041
1475199160,14cyclictest0-21swapper/112:20:041
1475199160,14cyclictest0-21swapper/112:15:061
14750991613,2cyclictest17987-21kworker/u8:209:37:050
14750991613,2cyclictest15583-21kworker/u8:110:44:050
14750991613,2cyclictest10509-21kworker/u8:212:00:010
1475099161,13cyclictest23039-21munin-node0
14753991512,2cyclictest19969-21kworker/u8:008:45:053
1475399150,2cyclictest24738-21kworker/3:209:46:053
1475399150,2cyclictest0-21swapper/311:28:023
1475399150,13cyclictest0-21swapper/309:21:053
1475299151,12cyclictest6273-21ssh09:17:382
1475299151,12cyclictest0-21swapper/210:20:142
14751991512,2cyclictest19969-21kworker/u8:008:51:041
14751991512,2cyclictest19969-21kworker/u8:008:44:041
1475199150,2cyclictest0-21swapper/112:37:041
1475199150,2cyclictest0-21swapper/111:25:051
1475199150,2cyclictest0-21swapper/108:31:041
1475199150,14cyclictest0-21swapper/109:20:011
14750991512,2cyclictest5962-21kworker/u8:212:36:040
14750991512,2cyclictest30752-21kworker/u8:009:18:040
14750991512,2cyclictest10828-21kworker/u8:109:43:040
1475099151,12cyclictest8417-21ssh11:32:240
1475099151,12cyclictest0-21swapper/012:30:170
14750991510,3cyclictest2150-21sed12:00:000
1475099150,3cyclictest0-21swapper/011:49:260
1475099150,10cyclictest0-21swapper/009:22:040
14753991411,2cyclictest26079-21kworker/u8:010:27:043
14753991410,2cyclictest18538-21munin-node3
1475399140,12cyclictest0-21swapper/310:56:213
1475399140,12cyclictest0-21swapper/310:53:433
1475399140,12cyclictest0-21swapper/310:48:353
1475299142,7cyclictest0-21swapper/209:25:012
1475299142,7cyclictest0-21swapper/209:05:002
1475299142,7cyclictest0-21swapper/207:50:012
1475299140,2cyclictest0-21swapper/208:30:212
1475299140,12cyclictest9011-21ssh11:33:202
1475299140,12cyclictest30335-21diskmemload10:59:092
14751991411,2cyclictest10483-21kworker/u8:109:04:061
1475199140,2cyclictest0-21swapper/109:40:041
1475199140,2cyclictest0-21swapper/109:14:051
1475199140,2cyclictest0-21swapper/108:45:051
1475199140,2cyclictest0-21swapper/107:20:051
1475199140,12cyclictest21241-21cpuspeed_turbos07:25:121
1475099149,3cyclictest24429-21ssh11:15:300
14750991411,2cyclictest9942-21kworker/u8:212:08:050
14750991411,2cyclictest32645-21kworker/u8:110:19:050
14750991411,2cyclictest13849-21ssh11:38:180
14750991410,2cyclictest0-21swapper/011:07:100
1475099140,3cyclictest0-21swapper/010:27:490
1475099140,2cyclictest0-21swapper/010:01:050
1475099140,12cyclictest0-21swapper/012:19:350
1475099140,12cyclictest0-21swapper/011:12:040
1475099140,12cyclictest0-21swapper/008:00:140
318712130,2sleep130335-21diskmemload11:56:071
233502130,2sleep20-21swapper/207:30:142
152022130,2sleep00-21swapper/011:40:030
1475399139,2cyclictest0-21swapper/311:05:143
14753991310,2cyclictest32730-21kworker/u8:209:57:043
14753991310,2cyclictest30752-21kworker/u8:009:25:043
14753991310,2cyclictest25007-21kworker/u8:011:54:053
14753991310,2cyclictest10828-21kworker/u8:109:39:043
14753991310,2cyclictest0-21swapper/309:50:203
14753991310,2cyclictest0-21swapper/309:10:063
1475399130,2cyclictest0-21swapper/310:05:113
1475399130,2cyclictest0-21swapper/308:20:153
1475399130,12cyclictest0-21swapper/311:55:173
1475299138,3cyclictest274-21jbd2/sda1-811:13:292
1475299138,3cyclictest12945-21sh09:25:042
1475299138,3cyclictest0-21swapper/207:43:542
14752991310,2cyclictest2616-21ssh12:33:202
14752991310,2cyclictest19755-21apt-get10:05:102
14752991310,2cyclictest0-21swapper/211:19:002
14752991310,2cyclictest0-21swapper/209:53:202
14752991310,2cyclictest0-21swapper/209:32:592
14752991310,2cyclictest0-21swapper/208:40:182
1475299130,2cyclictest1860-21grep09:46:042
1475299130,2cyclictest0-21swapper/212:00:202
1475299130,2cyclictest0-21swapper/211:51:052
1475299130,12cyclictest0-21swapper/210:00:012
1475299130,12cyclictest0-21swapper/209:11:052
1475299130,11cyclictest30335-21diskmemload12:29:002
1475299130,11cyclictest30335-21diskmemload10:53:012
1475199131,3cyclictest0-21swapper/107:40:101
14751991310,2cyclictest0-21swapper/111:21:031
14751991310,2cyclictest0-21swapper/110:46:021
14751991310,2cyclictest0-21swapper/109:32:341
14751991310,2cyclictest0-21swapper/107:35:111
1475199130,2cyclictest27534-21latency12:25:171
1475199130,2cyclictest0-21swapper/110:40:051
1475199130,2cyclictest0-21swapper/110:20:051
1475199130,2cyclictest0-21swapper/107:53:041
1475199130,12cyclictest0-21swapper/112:06:571
1475199130,12cyclictest0-21swapper/112:00:191
14750991310,2cyclictest14726-21kworker/u8:208:30:040
14750991310,2cyclictest0-21swapper/012:24:280
14750991310,2cyclictest0-21swapper/010:12:380
14750991310,2cyclictest0-21swapper/010:06:040
1475099130,2cyclictest0-21swapper/010:58:320
1475099130,2cyclictest0-21swapper/010:52:010
1475099130,12cyclictest26320-21ssh11:50:390
1475099130,12cyclictest0-21swapper/012:13:500
1475099130,12cyclictest0-21swapper/011:25:540
1475099130,12cyclictest0-21swapper/010:30:180
1475099130,12cyclictest0-21swapper/009:51:290
1475099130,11cyclictest0-21swapper/009:30:130
1475099130,11cyclictest0-21swapper/009:00:180
1475399129,2cyclictest30752-21kworker/u8:009:15:043
1475399129,2cyclictest20785-21kworker/u8:210:17:043
1475399129,2cyclictest0-21swapper/312:25:153
1475399129,2cyclictest0-21swapper/311:37:053
1475399129,2cyclictest0-21swapper/309:41:323
1475399129,2cyclictest0-21swapper/308:40:003
1475399129,2cyclictest0-21swapper/307:30:123
1475399120,2cyclictest14764-21apt-get08:30:073
1475399120,2cyclictest0-21swapper/312:30:163
1475399120,2cyclictest0-21swapper/312:05:533
1475399120,2cyclictest0-21swapper/312:02:443
1475399120,2cyclictest0-21swapper/311:30:313
1475399120,2cyclictest0-21swapper/308:00:193
1475399120,11cyclictest30335-21diskmemload12:20:163
1475399120,11cyclictest0-21swapper/311:40:443
1475399120,11cyclictest0-21swapper/310:10:133
1475399120,10cyclictest0-21swapper/311:13:323
1475299129,2cyclictest23825-21ssh11:48:392
1475299129,2cyclictest0-21swapper/212:20:392
1475299129,2cyclictest0-21swapper/212:05:192
1475299129,2cyclictest0-21swapper/211:40:292
1475299129,2cyclictest0-21swapper/211:06:382
1475299128,3cyclictest13192-21proc_pri12:10:192
1475299122,7cyclictest0-21swapper/207:21:592
1475299122,5cyclictest0-21swapper/208:15:002
1475299120,11cyclictest0-21swapper/212:36:392
1475299120,11cyclictest0-21swapper/211:56:492
1475299120,11cyclictest0-21swapper/210:46:592
1475299120,11cyclictest0-21swapper/210:15:202
1475299120,11cyclictest0-21swapper/210:10:312
1475299120,11cyclictest0-21swapper/209:55:002
1475299120,11cyclictest0-21swapper/209:40:162
1475299120,11cyclictest0-21swapper/208:56:052
1475299120,11cyclictest0-21swapper/208:20:142
1475299120,11cyclictest0-21swapper/207:35:172
1475199120,11cyclictest0-21swapper/108:10:001
1475099129,2cyclictest19969-21kworker/u8:008:55:040
1475099129,2cyclictest0-21swapper/010:20:080
1475099129,2cyclictest0-21swapper/008:15:180
1475099120,11cyclictest30414-21copy09:10:020
1475099120,11cyclictest0-21swapper/012:25:310
1475099120,11cyclictest0-21swapper/009:25:340
1475099120,11cyclictest0-21swapper/008:00:000
1475399118,2cyclictest4364-21kworker/u8:208:12:043
1475399118,2cyclictest10483-21kworker/u8:109:06:043
1475399118,2cyclictest0-21swapper/311:21:043
1475399118,2cyclictest0-21swapper/310:43:273
1475399118,2cyclictest0-21swapper/309:30:113
1475399118,2cyclictest0-21swapper/308:50:293
1475399118,2cyclictest0-21swapper/307:40:103
1475399118,2cyclictest0-21swapper/307:21:033
1475399118,2cyclictest0-21swapper/307:15:163
1475399118,2cyclictest0-21swapper/307:13:033
1475399110,2cyclictest0-21swapper/310:30:513
1475399110,10cyclictest0-21swapper/312:17:143
1475399110,10cyclictest0-21swapper/311:18:173
1475399110,10cyclictest0-21swapper/307:25:153
1475299118,2cyclictest0-21swapper/211:26:302
1475299118,2cyclictest0-21swapper/210:43:042
1475299118,2cyclictest0-21swapper/209:36:372
1475299111,5cyclictest0-21swapper/211:40:002
1475299110,2cyclictest0-21swapper/211:23:162
1475299110,10cyclictest0-21swapper/210:27:102
1475099119,1cyclictest0-21swapper/007:10:190
1475099118,2cyclictest0-21swapper/007:15:400
1475099112,6cyclictest0-21swapper/007:40:010
1475099110,7cyclictest0-21swapper/007:23:050
1475099110,10cyclictest0-21swapper/008:50:190
1475399107,2cyclictest32645-21kworker/u8:110:20:023
1475399107,2cyclictest0-21swapper/308:25:313
1475399100,9cyclictest10483-21kworker/u8:109:01:043
1475399100,2cyclictest0-21swapper/311:01:593
1475299107,2cyclictest0-21swapper/210:37:192
1475299105,3cyclictest17454-21fschecks_time07:15:152
1475299102,6cyclictest0-21swapper/208:26:032
1475299100,9cyclictest0-21swapper/208:45:142
1475299100,2cyclictest0-21swapper/210:34:052
1475099107,2cyclictest4364-21kworker/u8:208:10:050
1475099107,2cyclictest0-21swapper/007:41:010
1475099105,3cyclictest17052-21tr08:35:150
1475099102,7cyclictest0-21swapper/007:54:580
1475099101,7cyclictest20969-21cut08:45:130
1475099101,5cyclictest0-21swapper/007:26:000
126132100,1sleep00-21swapper/008:23:250
147539996,2cyclictest10483-21kworker/u8:108:39:043
147539994,3cyclictest5008-21aten2.4-expect08:05:173
147539994,3cyclictest31656-21sed07:50:153
147539992,4cyclictest963-21aten2.4-expect07:55:153
147529996,2cyclictest0-21swapper/208:53:102
147529994,3cyclictest3919-21pzem_voltage08:00:542
147529994,3cyclictest15000-21sh07:10:122
147529992,5cyclictest0-21swapper/208:05:592
147529991,7cyclictest0-21swapper/207:51:582
147519994,3cyclictest30201-21ntp_offset07:45:191
147509996,2cyclictest4364-21kworker/u8:208:09:040
147509994,3cyclictest19900-21unixbench_singl08:41:030
147509991,6cyclictest13817-21sed08:25:200
147539985,2cyclictest30069-21sed07:45:163
147539985,2cyclictest24511-21apt08:55:143
147539983,3cyclictest25336-21expr07:35:133
147529983,3cyclictest988-21cut07:55:162
147529983,3cyclictest8985-21aten2.4_r3power08:15:112
147509983,3cyclictest29550-21cpuspeed_turbos07:45:140
147539974,2cyclictest381ktimersoftd/308:15:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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