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2026-06-10 - 15:02

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 792 highest latencies:
System rack3slot6s.osadl.org (updated Wed Jun 10, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14918211795,17sleep30-21swapper/307:07:233
148882116105,6sleep00-21swapper/007:07:010
14864211698,13sleep10-21swapper/107:06:421
15018211595,14sleep20-21swapper/207:08:382
157432750,0sleep00-21swapper/008:30:120
293252700,0sleep10-21swapper/112:37:301
81492620,1sleep229-21rcuc/209:19:542
290242260,0sleep30-21swapper/310:16:153
297782230,1sleep00-21swapper/007:45:130
15153992320,2cyclictest20242-21kworker/u8:112:28:043
90722220,0sleep20-21swapper/208:15:002
25772220,1sleep30-21swapper/312:08:183
1515099200,18cyclictest0-21swapper/012:15:100
15153991916,2cyclictest26273-21kworker/u8:212:03:043
1515099191,2cyclictest0-21swapper/010:55:120
15153991815,2cyclictest28661-21kworker/u8:211:37:043
15153991815,2cyclictest15706-21kworker/u8:009:33:043
15151991815,2cyclictest6273-21kworker/u8:212:21:041
15151991815,2cyclictest3841-21kworker/u8:109:19:041
15151991815,2cyclictest11979-21kworker/u8:011:25:041
15150991815,2cyclictest4003-21kworker/u8:111:11:050
192512170,0sleep20-21swapper/211:50:342
15153991714,2cyclictest25602-21kworker/u8:208:56:053
15153991714,2cyclictest18967-21kworker/u8:008:40:013
15153991714,2cyclictest17764-21kworker/u8:110:13:043
15153991714,2cyclictest1397-21kworker/u8:011:48:013
15153991714,2cyclictest1397-21kworker/u8:011:42:053
15151991714,2cyclictest7895-21kworker/u8:111:40:041
15151991714,2cyclictest15706-21kworker/u8:009:32:041
15151991714,2cyclictest10507-21kworker/u8:010:33:041
33122160,0sleep20-21swapper/209:49:502
15153991613,2cyclictest6273-21kworker/u8:212:20:053
15153991613,2cyclictest3841-21kworker/u8:109:36:043
15153991613,2cyclictest26506-21kworker/u8:112:39:043
15153991613,2cyclictest22301-21kworker/u8:209:44:043
15153991613,2cyclictest17764-21kworker/u8:110:08:043
15153991613,2cyclictest16970-21kworker/u8:211:19:043
15153991613,2cyclictest1397-21kworker/u8:011:57:043
15153991613,2cyclictest11979-21kworker/u8:011:21:043
15153991613,2cyclictest10507-21kworker/u8:010:37:043
1515399160,2cyclictest0-21swapper/311:30:003
15152991612,2cyclictest22220-21apt-get10:45:072
1515299160,14cyclictest0-21swapper/211:43:572
15151991613,2cyclictest25602-21kworker/u8:208:59:041
15151991613,2cyclictest16998-21kworker/u8:107:16:041
15151991613,2cyclictest14855-21kworker/u8:208:32:041
1515199160,14cyclictest0-21swapper/111:07:271
15150991613,2cyclictest11331-21kworker/u8:108:36:040
286572150,8sleep20-21swapper/211:25:402
15153991512,2cyclictest6877-21kworker/u8:007:26:043
15153991512,2cyclictest3841-21kworker/u8:109:26:043
15153991512,2cyclictest3841-21kworker/u8:109:17:043
15153991512,2cyclictest29675-21kworker/u8:107:47:043
15153991512,2cyclictest28083-21kworker/u8:009:59:043
15153991512,2cyclictest2694-21kworker/u8:109:54:043
15153991512,2cyclictest2694-21kworker/u8:109:54:043
15153991512,2cyclictest25653-21kworker/u8:007:42:023
15153991512,2cyclictest25014-21kworker/u8:211:04:043
15153991512,2cyclictest20980-21kworker/u8:212:33:043
15153991512,2cyclictest18967-21kworker/u8:008:45:043
15153991512,2cyclictest14855-21kworker/u8:208:35:043
15153991512,2cyclictest1397-21kworker/u8:011:33:043
1515399151,12cyclictest1914-21rm10:22:343
1515399150,3cyclictest24703-21wc08:51:003
1515299151,12cyclictest1564-21ssh10:21:582
1515299150,2cyclictest0-21swapper/209:39:472
1515299150,13cyclictest29203-21ssh10:16:322
1515299150,13cyclictest0-21swapper/210:51:512
1515199151,3cyclictest3728-21runrttasks12:17:171
15151991512,2cyclictest25014-21kworker/u8:210:22:041
15151991512,2cyclictest22301-21kworker/u8:209:43:041
15151991512,2cyclictest11979-21kworker/u8:011:14:041
15151991512,2cyclictest0-21swapper/112:01:041
15151991511,2cyclictest0-21swapper/110:50:101
1515199150,13cyclictest0-21swapper/112:25:321
1515099150,13cyclictest0-21swapper/010:31:340
214282140,2sleep031272-21diskmemload11:53:410
163472141,3sleep316357-21ssh10:03:013
15153991411,2cyclictest4003-21kworker/u8:111:12:043
15153991411,2cyclictest25014-21kworker/u8:210:53:043
15153991411,2cyclictest25014-21kworker/u8:210:49:043
15153991411,2cyclictest16998-21kworker/u8:107:14:043
15153991411,2cyclictest11331-21kworker/u8:108:31:053
15153991411,2cyclictest11331-21kworker/u8:108:22:043
15153991411,2cyclictest10507-21kworker/u8:010:56:043
1515399140,2cyclictest0-21swapper/309:05:593
1515299149,3cyclictest2272-21ssh09:13:022
1515299141,2cyclictest0-21swapper/208:05:152
15152991411,2cyclictest0-21swapper/212:35:182
15152991411,2cyclictest0-21swapper/210:38:472
1515299140,3cyclictest24823-21ssh11:56:392
1515299140,2cyclictest0-21swapper/209:24:482
1515299140,12cyclictest26727-21ssh11:24:302
1515299140,12cyclictest12977-21cat12:20:002
1515299140,12cyclictest0-21swapper/211:45:132
1515299140,12cyclictest0-21swapper/207:30:102
15151991411,2cyclictest4003-21kworker/u8:111:01:041
15151991411,2cyclictest25653-21kworker/u8:008:12:041
15151991411,2cyclictest25653-21kworker/u8:007:58:051
15151991411,2cyclictest22301-21kworker/u8:209:47:041
15151991411,2cyclictest20980-21kworker/u8:212:32:041
15151991411,2cyclictest18967-21kworker/u8:008:46:051
15151991411,2cyclictest14890-21kworker/u8:207:11:041
15151991411,2cyclictest0-21swapper/111:48:441
15151991411,2cyclictest0-21swapper/109:59:041
15151991411,2cyclictest0-21swapper/109:00:101
1515199140,2cyclictest0-21swapper/108:50:111
1515199140,13cyclictest0-21swapper/112:11:141
1515199140,13cyclictest0-21swapper/112:05:041
1515199140,13cyclictest0-21swapper/110:37:541
1515199140,13cyclictest0-21swapper/109:14:051
1515199140,12cyclictest0-21swapper/111:54:141
1515199140,12cyclictest0-21swapper/110:10:271
1515199140,12cyclictest0-21swapper/109:51:341
1515199140,12cyclictest0-21swapper/109:51:341
1515199140,12cyclictest0-21swapper/107:35:401
1515099142,6cyclictest0-21swapper/012:15:000
1515099142,6cyclictest0-21swapper/010:20:000
1515099141,6cyclictest0-21swapper/012:35:000
15150991411,2cyclictest4003-21kworker/u8:111:09:040
15150991411,2cyclictest17764-21kworker/u8:110:11:040
15150991411,2cyclictest0-21swapper/012:00:150
1515099140,12cyclictest0-21swapper/012:25:160
1515099140,12cyclictest0-21swapper/012:05:050
1515099140,12cyclictest0-21swapper/011:55:140
236712130,2sleep10-21swapper/110:45:241
15153991310,2cyclictest3382-21kworker/u8:108:04:013
15153991310,2cyclictest0-21swapper/310:25:253
15153991310,2cyclictest0-21swapper/309:14:363
15153991310,2cyclictest0-21swapper/309:01:013
1515399130,2cyclictest0-21swapper/310:41:303
1515399130,2cyclictest0-21swapper/309:21:073
1515399130,2cyclictest0-21swapper/308:25:163
1515399130,12cyclictest0-21swapper/311:06:033
1515399130,12cyclictest0-21swapper/308:05:143
1515399130,11cyclictest0-21swapper/312:19:043
1515399130,11cyclictest0-21swapper/310:31:323
15152991310,2cyclictest20456-21ssh12:27:472
15152991310,2cyclictest0-21swapper/212:23:502
15152991310,2cyclictest0-21swapper/211:00:582
15152991310,2cyclictest0-21swapper/210:56:012
15152991310,2cyclictest0-21swapper/210:30:382
15152991310,2cyclictest0-21swapper/210:25:082
15152991310,2cyclictest0-21swapper/210:11:492
15152991310,2cyclictest0-21swapper/210:06:032
15152991310,2cyclictest0-21swapper/210:01:522
15152991310,2cyclictest0-21swapper/209:52:022
15152991310,2cyclictest0-21swapper/209:52:022
15152991310,2cyclictest0-21swapper/209:33:492
15152991310,2cyclictest0-21swapper/209:25:192
1515299130,2cyclictest28841-21python07:41:022
1515299130,2cyclictest0-21swapper/208:55:022
1515299130,2cyclictest0-21swapper/208:01:032
1515299130,2cyclictest0-21swapper/207:35:202
1515299130,12cyclictest29379-21ssh09:41:462
1515299130,12cyclictest0-21swapper/212:30:292
1515299130,12cyclictest0-21swapper/211:35:182
1515299130,12cyclictest0-21swapper/211:30:122
1515299130,12cyclictest0-21swapper/211:16:522
1515299130,12cyclictest0-21swapper/211:10:152
15151991310,2cyclictest3382-21kworker/u8:108:05:041
15151991310,2cyclictest29675-21kworker/u8:107:48:041
15151991310,2cyclictest25653-21kworker/u8:007:40:041
15151991310,2cyclictest25602-21kworker/u8:209:21:041
15151991310,2cyclictest25602-21kworker/u8:209:08:011
15151991310,2cyclictest19436-21kworker/u8:207:22:011
15151991310,2cyclictest10507-21kworker/u8:010:42:011
15151991310,2cyclictest0-21swapper/111:55:131
15151991310,2cyclictest0-21swapper/110:57:231
15151991310,2cyclictest0-21swapper/109:35:041
15151991310,2cyclictest0-21swapper/109:26:341
15151991310,2cyclictest0-21swapper/107:25:171
1515199130,2cyclictest0-21swapper/111:38:051
1515199130,2cyclictest0-21swapper/111:20:491
1515199130,2cyclictest0-21swapper/110:16:441
1515199130,12cyclictest0-21swapper/110:04:371
1515199130,12cyclictest0-21swapper/108:20:301
1515199130,11cyclictest0-21swapper/108:40:281
1515099139,2cyclictest31272-21diskmemload11:45:120
1515099138,3cyclictest0-21swapper/008:20:140
15150991310,2cyclictest24011-21ssh10:45:550
15150991310,2cyclictest16970-21kworker/u8:211:16:040
15150991310,2cyclictest11979-21kworker/u8:011:24:010
1515099130,12cyclictest0-21swapper/012:33:250
1515099130,12cyclictest0-21swapper/011:25:040
1515099130,11cyclictest0-21swapper/009:14:050
1515099130,11cyclictest0-21swapper/007:30:110
80872120,2sleep00-21swapper/010:29:440
195572120,2sleep10-21swapper/111:15:581
1515399129,2cyclictest13530-21kworker/u8:211:51:043
1515399129,2cyclictest0-21swapper/309:46:463
1515399129,2cyclictest0-21swapper/307:56:003
1515399129,2cyclictest0-21swapper/307:50:503
1515399120,11cyclictest6409-21ssh12:11:423
1515299129,2cyclictest0-21swapper/207:50:392
1515299129,2cyclictest0-21swapper/207:20:292
1515299122,7cyclictest0-21swapper/207:58:582
1515299120,2cyclictest0-21swapper/209:55:222
1515299120,2cyclictest0-21swapper/208:40:492
1515299120,11cyclictest0-21swapper/212:10:362
1515299120,11cyclictest0-21swapper/212:05:002
1515299120,11cyclictest0-21swapper/212:00:172
1515299120,11cyclictest0-21swapper/211:05:082
1515299120,11cyclictest0-21swapper/210:41:082
1515299120,11cyclictest0-21swapper/209:00:112
1515299120,11cyclictest0-21swapper/208:30:122
1515299120,11cyclictest0-21swapper/208:25:392
1515199129,2cyclictest940-21kworker/u8:208:00:041
1515199129,2cyclictest6956-21kworker/u8:208:17:041
1515199129,2cyclictest29675-21kworker/u8:107:53:041
1515199129,2cyclictest18967-21kworker/u8:008:39:041
1515199129,2cyclictest0-21swapper/110:25:261
1515199120,11cyclictest0-21swapper/110:05:281
1515099129,2cyclictest22301-21kworker/u8:209:41:040
1515099129,2cyclictest0-21swapper/010:42:550
1515099129,2cyclictest0-21swapper/007:55:120
1515099122,7cyclictest0-21swapper/009:46:580
1515099122,7cyclictest0-21swapper/008:27:010
1515099120,11cyclictest0-21swapper/011:36:350
1515099120,11cyclictest0-21swapper/011:31:550
1515099120,11cyclictest0-21swapper/010:37:540
1515099120,11cyclictest0-21swapper/010:20:050
14812120,2sleep10-21swapper/111:31:181
116842120,2sleep031272-21diskmemload09:23:100
1515399118,2cyclictest23118-21kworker/u8:107:33:043
1515399110,10cyclictest0-21swapper/308:10:493
1515299118,2cyclictest0-21swapper/208:35:152
1515299118,2cyclictest0-21swapper/208:15:002
1515299110,10cyclictest0-21swapper/209:05:152
1515099118,2cyclictest5540-21kworker/0:208:05:130
1515099118,2cyclictest29675-21kworker/u8:107:52:040
1515099118,2cyclictest18967-21kworker/u8:008:50:040
1515099118,2cyclictest0-21swapper/011:40:250
1515099112,7cyclictest0-21swapper/009:58:020
1515099112,6cyclictest0-21swapper/008:56:000
1515099112,6cyclictest0-21swapper/008:16:010
1515099111,8cyclictest24622-21ssh09:36:300
1515099111,7cyclictest4562-21gdm-simple-gree12:24:580
1515099111,6cyclictest0-21swapper/010:10:000
1515099110,2cyclictest0-21swapper/011:02:350
1515099110,1cyclictest0-21swapper/007:35:200
1515099110,10cyclictest13357-21ssh10:00:120
1515099110,10cyclictest0-21swapper/010:51:440
1515099110,10cyclictest0-21swapper/007:10:120
1515399107,2cyclictest6956-21kworker/u8:208:16:043
1515399107,2cyclictest25653-21kworker/u8:007:38:043
1515299103,6cyclictest0-21swapper/207:27:412
1515199100,2cyclictest0-21swapper/107:30:121
1515099107,2cyclictest3841-21kworker/u8:109:16:040
1515099107,2cyclictest18967-21kworker/u8:008:44:040
1515099107,2cyclictest0-21swapper/009:05:000
1515099105,3cyclictest5633-21ssh09:51:020
1515099105,3cyclictest5633-21ssh09:51:020
1515099105,3cyclictest28623-21ps07:40:180
1515099105,3cyclictest22242-21grep08:45:180
1515099105,3cyclictest17861-21fschecks_time07:15:130
1515099101,5cyclictest0-21swapper/009:06:000
1515099100,7cyclictest0-21swapper/008:14:580
1515099100,7cyclictest0-21swapper/007:20:010
1515099100,5cyclictest0-21swapper/009:29:040
24014290,6sleep20-21swapper/208:50:142
151539996,2cyclictest0-21swapper/307:20:123
151509994,3cyclictest3643-21df_abs08:00:120
151509994,3cyclictest21855-21fschecks_count07:25:130
151509990,5cyclictest0-21swapper/009:30:040
151539985,2cyclictest17659-21grep07:15:123
151529983,3cyclictest29853-21egrep07:45:132
151529983,3cyclictest21895-21cut08:45:142
151529983,3cyclictest19086-21taskset07:19:062
151529983,3cyclictest16741-21tail07:11:012
151529983,3cyclictest11324-21aten2.4-expect08:20:112
151519985,2cyclictest0-21swapper/108:25:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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