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2026-07-30 - 23:08

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 376 highest latencies:
System rack3slot6s.osadl.org (updated Thu Jul 30, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13635211392,15sleep30-21swapper/307:09:103
13437210888,15sleep00-21swapper/007:06:350
13516210696,6sleep10-21swapper/107:07:361
1348029978,16sleep20-21swapper/207:07:092
247032800,2sleep011-21rcuc/011:50:070
285982780,1sleep30-21swapper/310:14:383
231282760,1sleep1221ktimersoftd/111:15:121
161952700,0sleep20-21swapper/210:35:002
87882680,0sleep00-21swapper/009:20:190
13730993616,18cyclictest0-21swapper/009:05:100
289912280,0sleep20-21swapper/210:15:012
1373199250,23cyclictest0-21swapper/111:55:011
26322240,0sleep00-21swapper/009:15:050
13732992420,2cyclictest0-21swapper/209:50:112
1373199230,20cyclictest13305-21ssh11:05:111
1373299222,18cyclictest27322-21ssh09:40:112
1373199220,20cyclictest0-21swapper/109:35:121
63632210,0sleep20-21swapper/210:57:212
13732992017,2cyclictest0-21swapper/210:45:102
1373199201,17cyclictest0-21swapper/107:40:111
38332190,0sleep20-21swapper/212:35:012
13730991916,2cyclictest21261-21kworker/u8:111:30:050
13730991915,2cyclictest0-21swapper/010:30:100
90252180,1sleep20-21swapper/211:33:442
1373099180,2cyclictest0-21swapper/010:05:110
1373099180,2cyclictest0-21swapper/008:20:120
13733991711,4cyclictest3693-21ssh09:15:173
1373399170,14cyclictest0-21swapper/309:35:183
1373199171,3cyclictest221ktimersoftd/111:39:591
13730991714,2cyclictest7836-21kworker/u8:209:48:050
13730991714,2cyclictest21261-21kworker/u8:111:18:020
13730991714,2cyclictest21261-21kworker/u8:111:02:050
1373099168,6cyclictest21261-21kworker/u8:111:21:040
1373099161,3cyclictest0-21swapper/010:45:110
13730991613,2cyclictest5551-21kworker/u8:107:31:050
13730991613,2cyclictest23715-21kworker/u8:207:46:050
13730991611,3cyclictest0-21swapper/011:07:280
1373399152,6cyclictest0-21swapper/310:45:013
1373399151,3cyclictest29288-21apt-get11:55:053
1373299151,12cyclictest2849-21rs:main2
1373199151,2cyclictest0-21swapper/111:43:591
1373199151,12cyclictest0-21swapper/107:55:561
13731991510,3cyclictest0-21swapper/110:56:021
1373199150,2cyclictest29947-21diskmemload11:10:171
1373199150,2cyclictest0-21swapper/111:23:361
1373199150,13cyclictest0-21swapper/112:20:151
1373199150,13cyclictest0-21swapper/111:45:131
1373099151,12cyclictest16826-21ssh10:01:300
13730991510,3cyclictest28383-21ssh10:14:180
77882141,2sleep20-21swapper/210:25:282
307712140,3sleep20-21swapper/209:10:162
1373399149,3cyclictest4931-21tr12:35:163
1373399142,6cyclictest0-21swapper/308:29:593
1373399140,3cyclictest3649-21snmpd11:43:273
1373399140,2cyclictest0-21swapper/309:25:173
1373299149,3cyclictest3649-21snmpd10:43:142
1373299149,3cyclictest0-21swapper/211:25:152
13732991410,2cyclictest2633-21ssh12:33:352
13732991410,2cyclictest19339-21sed07:21:032
1373299140,2cyclictest0-21swapper/212:10:202
1373299140,2cyclictest0-21swapper/210:06:202
1373299140,12cyclictest19453-21ssh12:17:022
1373299140,12cyclictest0-21swapper/211:03:532
1373299140,12cyclictest0-21swapper/209:34:252
1373199142,2cyclictest23-21ksoftirqd/109:40:271
1373199141,2cyclictest23-21ksoftirqd/109:10:271
13731991411,2cyclictest23-21ksoftirqd/110:20:401
13731991411,2cyclictest0-21swapper/112:25:271
13731991411,2cyclictest0-21swapper/110:03:471
13731991411,2cyclictest0-21swapper/109:15:161
1373199140,3cyclictest0-21swapper/110:36:041
1373199140,2cyclictest0-21swapper/111:05:001
1373199140,13cyclictest0-21swapper/111:31:461
1373199140,12cyclictest221ktimersoftd/111:54:171
1373199140,12cyclictest0-21swapper/111:26:071
1373099149,3cyclictest832-21ssh09:12:400
1373099142,7cyclictest0-21swapper/011:50:000
1373099142,7cyclictest0-21swapper/010:40:010
13730991411,2cyclictest4870-21kworker/u8:009:56:040
13730991411,2cyclictest2997-21kworker/u8:008:30:050
13730991411,2cyclictest29271-21kworker/u8:210:18:050
13730991411,2cyclictest24122-21kworker/u8:012:12:040
13730991411,2cyclictest2047-21kworker/u8:112:02:040
13730991411,2cyclictest14106-21kworker/u8:007:11:050
13730991411,2cyclictest0-21swapper/011:28:480
13730991411,2cyclictest0-21swapper/009:00:480
1373099140,9cyclictest0-21swapper/012:15:050
1373099140,3cyclictest0-21swapper/010:25:110
1373099140,2cyclictest0-21swapper/012:20:040
1373099140,13cyclictest0-21swapper/011:35:370
1373099140,13cyclictest0-21swapper/011:13:570
309612130,2sleep00-21swapper/011:55:410
1373399138,3cyclictest32637-21diskstats09:45:173
1373399138,3cyclictest12964-21latency_hist11:05:003
1373399132,6cyclictest0-21swapper/311:50:003
1373399132,6cyclictest0-21swapper/309:45:003
1373399132,6cyclictest0-21swapper/308:10:003
1373399131,7cyclictest0-21swapper/310:10:003
13733991310,2cyclictest0-21swapper/312:09:073
13733991310,2cyclictest0-21swapper/311:30:123
13733991310,2cyclictest0-21swapper/310:25:173
1373399130,7cyclictest12420-21ssh09:25:013
1373399130,2cyclictest0-21swapper/310:57:273
1373399130,12cyclictest0-21swapper/310:20:003
1373399130,11cyclictest32182-21apt-get07:55:123
1373299139,2cyclictest0-21swapper/207:45:112
13732991310,2cyclictest0-21swapper/212:06:122
13732991310,2cyclictest0-21swapper/211:56:402
13732991310,2cyclictest0-21swapper/211:54:062
13732991310,2cyclictest0-21swapper/208:56:022
13732991310,2cyclictest0-21swapper/207:16:032
1373299130,2cyclictest0-21swapper/212:20:132
1373299130,2cyclictest0-21swapper/211:45:082
1373299130,2cyclictest0-21swapper/211:39:512
1373299130,2cyclictest0-21swapper/211:05:042
1373299130,2cyclictest0-21swapper/209:45:412
1373299130,2cyclictest0-21swapper/207:36:032
1373299130,12cyclictest0-21swapper/211:45:002
1373299130,12cyclictest0-21swapper/211:12:112
1373299130,12cyclictest0-21swapper/210:19:002
1373299130,12cyclictest0-21swapper/210:00:462
1373299130,12cyclictest0-21swapper/209:35:102
1373299130,12cyclictest0-21swapper/209:28:492
1373299130,12cyclictest0-21swapper/209:19:192
1373199132,6cyclictest0-21swapper/108:35:001
1373199131,11cyclictest21-21rcuc/109:27:581
13731991310,2cyclictest23-21ksoftirqd/109:50:031
13731991310,2cyclictest0-21swapper/112:30:141
13731991310,2cyclictest0-21swapper/112:13:161
13731991310,2cyclictest0-21swapper/110:25:121
13731991310,2cyclictest0-21swapper/110:18:361
13731991310,2cyclictest0-21swapper/110:12:281
13731991310,2cyclictest0-21swapper/110:07:461
13731991310,2cyclictest0-21swapper/109:46:041
1373199130,2cyclictest3127-21nscd09:55:121
1373199130,2cyclictest0-21swapper/109:20:181
1373199130,2cyclictest0-21swapper/107:50:091
1373199130,12cyclictest0-21swapper/112:04:571
1373199130,12cyclictest0-21swapper/110:43:161
1373199130,12cyclictest0-21swapper/110:30:111
1373099137,2cyclictest0-21swapper/010:41:050
1373099132,6cyclictest0-21swapper/007:40:000
13730991311,1cyclictest0-21swapper/012:36:570
13730991310,2cyclictest7836-21kworker/u8:209:25:050
13730991310,2cyclictest2997-21kworker/u8:008:36:060
13730991310,2cyclictest27831-21kworker/u8:010:55:040
13730991310,2cyclictest0-21swapper/012:09:280
13730991310,2cyclictest0-21swapper/010:22:580
1373099130,2cyclictest0-21swapper/011:43:480
1373099130,2cyclictest0-21swapper/009:51:020
1373099130,2cyclictest0-21swapper/009:37:180
1373099130,2cyclictest0-21swapper/009:30:570
1373099130,12cyclictest0-21swapper/012:27:570
1373099130,12cyclictest0-21swapper/009:44:040
1373099130,11cyclictest2295-21rm12:33:050
1373399129,2cyclictest0-21swapper/312:22:073
1373399129,2cyclictest0-21swapper/309:54:573
1373399129,2cyclictest0-21swapper/309:33:083
1373399129,2cyclictest0-21swapper/307:41:023
1373399127,3cyclictest26722-21aten2.4_r3power12:25:103
1373399122,7cyclictest0-21swapper/312:18:593
1373399122,7cyclictest0-21swapper/308:39:593
1373399122,7cyclictest0-21swapper/308:11:583
1373399122,6cyclictest0-21swapper/309:06:013
1373399120,11cyclictest0-21swapper/311:23:273
1373399120,10cyclictest29947-21diskmemload12:33:333
1373399120,10cyclictest2904-21ssh10:54:453
1373399120,10cyclictest0-21swapper/310:33:033
1373299129,2cyclictest0-21swapper/211:20:242
1373299129,2cyclictest0-21swapper/211:15:312
1373299129,2cyclictest0-21swapper/210:35:532
1373299129,2cyclictest0-21swapper/209:56:222
1373299122,6cyclictest0-21swapper/207:41:012
1373299121,6cyclictest0-21swapper/208:29:592
1373299121,6cyclictest0-21swapper/208:20:002
1373299120,2cyclictest0-21swapper/212:00:022
1373299120,2cyclictest0-21swapper/210:20:132
1373299120,11cyclictest0-21swapper/210:51:132
1373299120,11cyclictest0-21swapper/207:55:352
1373299120,10cyclictest27809-21ssh12:25:332
1373199129,2cyclictest0-21swapper/110:45:101
1373199129,2cyclictest0-21swapper/109:30:011
1373199129,2cyclictest0-21swapper/108:20:171
1373199129,2cyclictest0-21swapper/108:00:151
1373199127,3cyclictest9959-21cut08:19:591
1373199127,3cyclictest4829-21latency12:35:141
1373199122,6cyclictest0-21swapper/108:50:001
1373199121,9cyclictest0-21swapper/107:20:141
1373199121,3cyclictest0-21swapper/109:05:141
1373199120,3cyclictest0-21swapper/108:50:151
1373199120,2cyclictest0-21swapper/112:15:131
1373199120,2cyclictest0-21swapper/112:05:301
1373199120,11cyclictest0-21swapper/110:51:031
1373199120,11cyclictest0-21swapper/107:35:131
1373199120,11cyclictest0-21swapper/107:11:011
1373199120,10cyclictest0-21swapper/109:00:121
1373099129,2cyclictest0-21swapper/010:50:160
1373099129,2cyclictest0-21swapper/008:11:010
1373099129,2cyclictest0-21swapper/007:25:100
1373099121,6cyclictest0-21swapper/008:24:590
1373099120,6cyclictest0-21swapper/008:50:000
1373099120,11cyclictest0-21swapper/008:00:110
1373399118,2cyclictest0-21swapper/312:10:183
1373399118,2cyclictest0-21swapper/310:42:223
1373399118,2cyclictest0-21swapper/310:35:193
1373399118,2cyclictest0-21swapper/310:00:093
1373399118,2cyclictest0-21swapper/307:45:493
1373399116,3cyclictest303942chrt07:50:123
1373399112,6cyclictest4281-21ssh11:28:593
1373399112,6cyclictest0-21swapper/307:24:023
1373399111,8cyclictest18327-21munin-node3
1373399111,8cyclictest0-21swapper/307:33:343
1373399111,6cyclictest0-21swapper/310:21:013
1373399110,3cyclictest0-21swapper/311:10:433
1373399110,2cyclictest0-21swapper/309:57:283
1373399110,10cyclictest29108-21ssh11:54:443
1373399110,10cyclictest0-21swapper/307:25:133
1373299118,2cyclictest0-21swapper/208:36:032
1373299118,2cyclictest0-21swapper/208:30:162
1373299116,3cyclictest27571-21grep09:01:002
1373299111,5cyclictest0-21swapper/208:45:002
1373199118,2cyclictest0-21swapper/108:25:131
1373199116,3cyclictest6489-21sed08:10:141
1373199112,5cyclictest0-21swapper/107:20:011
1373199112,2cyclictest221ktimersoftd/107:25:101
1373199111,3cyclictest28161-21munin-node1
1373199111,3cyclictest0-21swapper/108:56:041
1373199110,9cyclictest0-21swapper/108:40:111
1373199110,9cyclictest0-21swapper/107:30:121
1373099110,9cyclictest0-21swapper/008:15:580
1373099110,10cyclictest0-21swapper/007:20:140
318232100,2sleep00-21swapper/007:53:170
1373399107,2cyclictest0-21swapper/307:35:183
1373399105,3cyclictest2082-21ssh12:00:123
1373399105,3cyclictest16433-21cut07:15:143
1373399105,3cyclictest14908-21cat11:06:013
1373399102,7cyclictest0-21swapper/309:10:023
1373399101,4cyclictest15765-21copy07:15:003
1373399100,9cyclictest0-21swapper/311:37:393
1373399100,8cyclictest3649-21snmpd08:52:553
1373399100,2cyclictest25239-21ssh11:16:273
1373299107,2cyclictest0-21swapper/208:05:152
1373299107,2cyclictest0-21swapper/207:51:032
1373299103,6cyclictest0-21swapper/208:47:542
1373299101,5cyclictest0-21swapper/207:15:002
1373299101,4cyclictest0-21swapper/208:15:002
1373299100,2cyclictest0-21swapper/208:51:092
1373299100,2cyclictest0-21swapper/208:03:222
1373199107,2cyclictest0-21swapper/108:30:151
1373199101,5cyclictest0-21swapper/108:05:001
1373099105,3cyclictest32442-21tr07:55:130
137339996,2cyclictest0-21swapper/309:00:083
137339994,3cyclictest24445-21df_abs08:55:153
137339994,3cyclictest14357-21cpu08:30:153
137339994,3cyclictest10452-21cpuspeed_turbos08:20:133
137339992,5cyclictest0-21swapper/308:01:003
137329996,2cyclictest0-21swapper/207:33:422
137329994,3cyclictest20259-21cpuspeed_turbos07:25:122
137329992,6cyclictest0-21swapper/208:17:492
137329991,4cyclictest0-21swapper/209:10:012
137309996,2cyclictest0-21swapper/007:15:120
137309994,3cyclictest20489-21cpuspeed_turbos08:45:150
137309991,3cyclictest0-21swapper/008:05:110
137309990,7cyclictest26354-21wc07:40:120
137309990,7cyclictest12198-21kworker/u8:208:40:010
137339985,2cyclictest0-21swapper/308:45:143
137339984,2cyclictest3728-21runrttasks08:15:023
137309983,3cyclictest3728-21runrttasks08:55:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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