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2026-04-11 - 11:50

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #8

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 376 highest latencies:
System rack0slot8s.osadl.org (updated Sat Apr 11, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
940801170,112rtkit-daemon0-21swapper/1019:09:532
2834911140,57ptp4l0-21swapper/119:09:071
717826957,10sleep110-21swapper/1119:05:063
718526855,10sleep50-21swapper/519:05:127
1016526755,10sleep70-21swapper/719:05:389
1046426655,9sleep40-21swapper/419:09:596
864426554,8sleep00-21swapper/019:05:190
1023126554,9sleep60-21swapper/619:06:378
64232530,1sleep61009-21runrttasks21:05:248
172392470,0sleep100-21swapper/1022:05:102
200862460,1sleep80-21swapper/821:25:1610
200862460,1sleep80-21swapper/821:25:1610
1085199183,9cyclictest0-21swapper/923:15:0011
1084699181,15cyclictest0-21swapper/800:25:1610
1082499183,10cyclictest0-21swapper/320:15:005
1081099184,8cyclictest0-21swapper/021:42:210
71752177,8sleep80-21swapper/819:05:0310
283491170,0ptp4l0-21swapper/123:35:201
1085199173,9cyclictest0-21swapper/920:10:0011
1083399170,3cyclictest0-21swapper/500:10:167
1082499172,9cyclictest0-21swapper/322:30:015
1081099174,8cyclictest0-21swapper/023:20:010
283491160,1ptp4l21-21ksoftirqd/119:15:001
283491160,0ptp4l0-21swapper/121:40:121
283491160,0ptp4l0-21swapper/121:05:241
255792160,0sleep60-21swapper/621:30:278
255792160,0sleep60-21swapper/621:30:278
1085599163,8cyclictest0-21swapper/1022:35:012
1085199164,7cyclictest0-21swapper/920:30:0111
1085199164,7cyclictest0-21swapper/919:50:0011
1085199163,8cyclictest0-21swapper/921:00:0011
1084699163,8cyclictest0-21swapper/800:05:0110
1083799163,8cyclictest0-21swapper/623:25:238
1082499160,15cyclictest0-21swapper/323:35:165
1082499160,10cyclictest0-21swapper/319:10:005
1081999161,11cyclictest26320-21kworker/u24:023:00:014
1081099163,8cyclictest0-21swapper/019:30:000
1081099163,8cyclictest0-21swapper/000:15:010
1081099162,9cyclictest0-21swapper/022:30:010
1081099162,9cyclictest0-21swapper/019:55:000
283491150,1ptp4l21-21ksoftirqd/123:15:131
283491150,1ptp4l21-21ksoftirqd/122:35:221
283491150,1ptp4l21-21ksoftirqd/122:30:231
283491150,1ptp4l21-21ksoftirqd/100:20:231
283491150,0ptp4l0-21swapper/123:55:191
283491150,0ptp4l0-21swapper/123:40:171
283491150,0ptp4l0-21swapper/123:30:191
283491150,0ptp4l0-21swapper/119:40:131
283491150,0ptp4l0-21swapper/100:35:221
1085199152,8cyclictest0-21swapper/920:35:0011
1085199152,7cyclictest0-21swapper/923:30:0111
1084699153,7cyclictest0-21swapper/822:10:0010
1084699152,8cyclictest0-21swapper/822:30:2410
1084699152,7cyclictest0-21swapper/819:45:2410
1083799153,7cyclictest0-21swapper/600:25:008
1083799151,8cyclictest0-21swapper/621:45:008
1082499153,8cyclictest0-21swapper/300:35:235
1082499152,7cyclictest0-21swapper/322:55:025
1082499152,7cyclictest0-21swapper/322:00:015
10824991512,2cyclictest11255-21turbostat22:40:005
1081999152,9cyclictest0-21swapper/219:20:004
1081099152,8cyclictest0-21swapper/023:30:010
1081099152,8cyclictest0-21swapper/000:20:010
1081099151,7cyclictest0-21swapper/021:05:010
1081099151,7cyclictest0-21swapper/021:05:010
283491140,1ptp4l21-21ksoftirqd/122:40:231
283491140,0ptp4l0-21swapper/122:25:151
283491140,0ptp4l0-21swapper/120:32:081
205972140,0sleep90-21swapper/922:50:1411
1086099142,8cyclictest0-21swapper/1119:25:003
1086099142,8cyclictest0-21swapper/1100:05:013
1086099142,6cyclictest0-21swapper/1120:25:003
1085199142,8cyclictest0-21swapper/919:15:0111
1085199142,7cyclictest0-21swapper/900:15:0111
1084699142,7cyclictest0-21swapper/822:30:0010
1082499142,7cyclictest0-21swapper/322:45:015
1082499141,8cyclictest0-21swapper/321:45:015
283491130,1ptp4l21-21ksoftirqd/122:15:521
283491130,1ptp4l21-21ksoftirqd/122:14:271
283491130,1ptp4l21-21ksoftirqd/119:37:231
283491130,1ptp4l21-21ksoftirqd/119:17:091
283491130,0ptp4l0-21swapper/119:45:131
1086099132,7cyclictest0-21swapper/1122:50:013
1086099132,7cyclictest0-21swapper/1120:00:003
1086099131,8cyclictest5775-21kworker/u24:223:30:013
1085199131,8cyclictest14179-21kworker/u24:221:35:0211
1085199131,8cyclictest14179-21kworker/u24:221:35:0111
1084699132,7cyclictest0-21swapper/823:35:0110
1084699132,7cyclictest0-21swapper/821:55:0010
1084699132,7cyclictest0-21swapper/820:25:2310
1084699131,7cyclictest0-21swapper/820:20:0010
1083799132,7cyclictest0-21swapper/622:35:228
1083799132,7cyclictest0-21swapper/600:10:018
1083399133,6cyclictest0-21swapper/519:40:007
1083399132,7cyclictest0-21swapper/522:55:017
1082499132,6cyclictest0-21swapper/323:00:235
1081999132,8cyclictest0-21swapper/220:10:004
1081999132,7cyclictest0-21swapper/219:50:004
1081099131,12cyclictest0-21swapper/022:15:170
283491120,4ptp4l21-21ksoftirqd/121:15:141
283491120,4ptp4l21-21ksoftirqd/121:15:141
283491120,2ptp4l28773-21fw_conntrack00:25:151
283491120,2ptp4l19970-21fw_conntrack21:25:151
283491120,2ptp4l19970-21fw_conntrack21:25:151
283491120,1ptp4l21-21ksoftirqd/122:50:001
283491120,1ptp4l21-21ksoftirqd/121:35:591
283491120,1ptp4l21-21ksoftirqd/121:35:591
283491120,1ptp4l21-21ksoftirqd/120:18:151
283491120,0ptp4l0-21swapper/122:55:121
283491120,0ptp4l0-21swapper/120:55:111
283491120,0ptp4l0-21swapper/120:52:291
283491120,0ptp4l0-21swapper/120:20:191
283491120,0ptp4l0-21swapper/119:30:191
283491120,0ptp4l0-21swapper/119:20:201
283491120,0ptp4l0-21swapper/100:10:191
1086099122,7cyclictest0-21swapper/1120:55:003
1086099122,7cyclictest0-21swapper/1100:30:003
1086099121,7cyclictest0-21swapper/1121:55:013
1085599122,6cyclictest0-21swapper/1023:40:012
1084699120,1cyclictest0-21swapper/822:54:5510
1083399122,6cyclictest0-21swapper/521:00:237
1083399122,6cyclictest0-21swapper/521:00:237
10828991210,1cyclictest16104-21turbostat20:44:556
1081099122,6cyclictest0-21swapper/021:25:000
1081099122,6cyclictest0-21swapper/021:25:000
283491110,3ptp4l7824-21strings21:50:201
283491110,2ptp4l31259-21cpuspeed_turbos23:05:111
283491110,2ptp4l20440-21grep20:00:201
283491110,2ptp4l10426-21latency00:00:191
283491110,1ptp4l25712-21missed_timers19:25:191
283491110,1ptp4l21-21ksoftirqd/121:55:281
283491110,1ptp4l20803-21diskstats00:15:131
283491110,1ptp4l0-21swapper/123:45:151
283491110,1ptp4l0-21swapper/122:50:131
283491110,0ptp4l0-21swapper/121:30:241
283491110,0ptp4l0-21swapper/121:30:231
283491110,0ptp4l0-21swapper/121:00:131
283491110,0ptp4l0-21swapper/121:00:131
283491110,0ptp4l0-21swapper/120:45:131
283491110,0ptp4l0-21swapper/120:42:181
283491110,0ptp4l0-21swapper/120:11:391
1086099112,6cyclictest0-21swapper/1122:45:013
1086099111,6cyclictest0-21swapper/1100:15:223
1086099110,11cyclictest0-21swapper/1121:25:003
1086099110,11cyclictest0-21swapper/1121:25:003
1085599111,3cyclictest0-21swapper/1023:07:402
1085199112,5cyclictest0-21swapper/923:00:0111
1084699112,5cyclictest0-21swapper/823:20:0110
1084699112,5cyclictest0-21swapper/821:40:0010
1084699112,5cyclictest0-21swapper/821:40:0010
1084699110,1cyclictest0-21swapper/823:00:0010
1084699110,10cyclictest0-21swapper/819:25:0010
1083799118,2cyclictest0-21swapper/622:40:148
1083799111,6cyclictest0-21swapper/621:35:228
1083799111,6cyclictest0-21swapper/621:35:228
1083399112,5cyclictest0-21swapper/521:15:237
1083399112,5cyclictest0-21swapper/521:15:237
1083399111,6cyclictest0-21swapper/523:55:227
1082899112,6cyclictest0-21swapper/422:45:256
1082499110,3cyclictest27740-21unixbench_singl22:15:255
1081999112,6cyclictest0-21swapper/200:15:014
1081999112,6cyclictest0-21swapper/200:15:014
1081999112,6cyclictest0-21swapper/200:05:014
1081999110,2cyclictest4716-21sed21:45:244
1081099117,3cyclictest9795-21idleruntime00:00:170
1081099112,6cyclictest0-21swapper/020:05:000
1081099112,6cyclictest0-21swapper/000:40:000
94080100,2rtkit-daemon0-21swapper/419:23:436
283491100,2ptp4l5201-21wget20:25:121
283491100,1ptp4l29539-21timerandwakeup23:00:241
283491100,1ptp4l2562-21cpuspeed_turbos23:10:121
283491100,1ptp4l18936-21irqrtprio22:05:161
283491100,1ptp4l15224-21df19:55:121
283491100,0ptp4l9442-21strings21:10:181
283491100,0ptp4l9442-21strings21:10:181
283491100,0ptp4l0-21swapper/123:25:151
283491100,0ptp4l0-21swapper/120:35:141
1086099107,2cyclictest18705-21grep23:30:143
1085599107,2cyclictest0-21swapper/1020:10:142
1084299109,1cyclictest0-21swapper/700:25:239
1084299108,1cyclictest0-21swapper/722:55:219
1083799107,2cyclictest0-21swapper/623:40:138
1083799100,9cyclictest21477-21netstat22:50:178
1083799100,9cyclictest0-21swapper/622:25:198
1083399102,7cyclictest0-21swapper/522:05:017
1083399100,6cyclictest0-21swapper/522:15:017
1082499107,2cyclictest0-21swapper/323:30:135
1082499100,9cyclictest0-21swapper/323:05:135
1082499100,1cyclictest0-21swapper/321:55:005
1081999102,5cyclictest0-21swapper/223:30:014
1081999101,5cyclictest0-21swapper/220:50:014
1081099101,6cyclictest0-21swapper/021:15:010
1081099101,6cyclictest0-21swapper/021:15:000
1081099100,9cyclictest22270-21smartctl22:10:140
1081099100,9cyclictest0-21swapper/023:50:010
1081099100,2cyclictest26762-21users00:20:250
28349190,0ptp4l0-21swapper/123:50:111
28349190,0ptp4l0-21swapper/123:20:011
28349190,0ptp4l0-21swapper/122:20:011
28349190,0ptp4l0-21swapper/122:00:011
28349190,0ptp4l0-21swapper/121:45:011
28349190,0ptp4l0-21swapper/121:20:141
28349190,0ptp4l0-21swapper/121:20:131
28349190,0ptp4l0-21swapper/120:05:011
28349190,0ptp4l0-21swapper/119:50:011
28349190,0ptp4l0-21swapper/100:30:091
28349190,0ptp4l0-21swapper/100:05:131
108609991,5cyclictest0-21swapper/1119:45:003
108559998,1cyclictest0-21swapper/1021:32:192
108559998,1cyclictest0-21swapper/1021:32:192
108559990,8cyclictest0-21swapper/1023:45:122
108559990,8cyclictest0-21swapper/1020:30:002
108559990,1cyclictest0-21swapper/1019:45:242
108519998,1cyclictest0-21swapper/922:40:1211
108519990,9cyclictest0-21swapper/923:35:2411
108519990,7cyclictest13064-21cpuspeed_turbos20:35:1111
108469998,1cyclictest0-21swapper/823:40:1310
108469998,1cyclictest0-21swapper/819:40:1810
108469996,2cyclictest24609-21df_inode00:20:1210
108469993,5cyclictest0-21swapper/820:15:0010
108469992,6cyclictest63-21ksoftirqd/822:11:4410
108469990,8cyclictest0-21swapper/821:10:1210
108469990,8cyclictest0-21swapper/821:10:1110
108469990,8cyclictest0-21swapper/820:39:5510
108469990,8cyclictest0-21swapper/820:20:1810
108469990,2cyclictest14715-21latency_hist19:15:0010
108469990,2cyclictest0-21swapper/821:45:1710
108469990,1cyclictest0-21swapper/822:15:1710
108429990,9cyclictest0-21swapper/719:10:119
108429990,1cyclictest0-21swapper/721:20:149
108429990,1cyclictest0-21swapper/721:20:139
108379998,1cyclictest0-21swapper/622:05:228
108379998,1cyclictest0-21swapper/621:25:188
108379998,1cyclictest0-21swapper/621:25:188
108379998,1cyclictest0-21swapper/619:50:158
108379990,1cyclictest0-21swapper/622:34:578
108379990,1cyclictest0-21swapper/600:30:158
108339991,5cyclictest0-21swapper/523:05:227
108289990,8cyclictest0-21swapper/400:40:006
108199992,5cyclictest0-21swapper/219:35:004
108199991,5cyclictest0-21swapper/222:55:014
108109996,2cyclictest29174-21turbostat20:15:000
108109991,2cyclictest0-21swapper/019:20:150
108109990,8cyclictest0-21swapper/022:40:180
108109990,5cyclictest0-21swapper/023:25:010
108109990,2cyclictest29209-21fw_conntrack20:55:140
7176281,5sleep90-21swapper/919:05:0411
28359180,6phc2sys0-21swapper/219:06:014
108609982,4cyclictest0-21swapper/1100:30:213
108609981,5cyclictest0-21swapper/1122:10:003
108609980,8cyclictest0-21swapper/1122:50:163
108609980,1cyclictest0-21swapper/1120:00:123
108559987,1cyclictest0-21swapper/1021:50:142
108559987,1cyclictest0-21swapper/1021:40:112
108559987,1cyclictest0-21swapper/1000:15:142
108559983,4cyclictest0-21swapper/1021:30:012
108559983,4cyclictest0-21swapper/1021:30:012
108559980,7cyclictest0-21swapper/1023:24:552
108559980,1cyclictest0-21swapper/1022:10:182
108519980,8cyclictest0-21swapper/900:30:1811
108519980,1cyclictest0-21swapper/922:30:1611
108519980,1cyclictest0-21swapper/919:25:1711
108519980,1cyclictest0-21swapper/919:20:2011
108469987,1cyclictest0-21swapper/823:45:1910
108469987,1cyclictest0-21swapper/821:40:1310
108469987,1cyclictest0-21swapper/821:30:2610
108469987,1cyclictest0-21swapper/821:30:2610
108469987,1cyclictest0-21swapper/819:15:1610
108469982,5cyclictest115650irq/18-p34p123:50:3610
108469982,5cyclictest115650irq/18-p34p123:25:3010
108469982,5cyclictest115650irq/18-p34p123:00:1810
108469982,5cyclictest115650irq/18-p34p121:20:1910
108469982,5cyclictest115650irq/18-p34p121:20:1910
108469982,5cyclictest115650irq/18-p34p100:35:2010
108469982,5cyclictest115650irq/18-p34p100:30:0310
108469982,5cyclictest115650irq/18-p34p100:10:4310
108469981,6cyclictest63-21ksoftirqd/821:10:0010
108469980,8cyclictest0-21swapper/822:40:1110
108469980,7cyclictest0-21swapper/823:15:0110
108469980,7cyclictest0-21swapper/822:20:1410
108469980,7cyclictest0-21swapper/822:00:1410
108469980,3cyclictest18794-21runrttasks22:48:5210
108469980,2cyclictest5508-21df_inode23:55:1210
108469980,1cyclictest0-21swapper/819:30:1510
108429987,1cyclictest0-21swapper/723:45:129
108429987,1cyclictest0-21swapper/722:50:149
108429980,8cyclictest0-21swapper/719:20:209
108429980,1cyclictest0-21swapper/700:05:249
108379987,1cyclictest0-21swapper/623:30:198
108379987,1cyclictest0-21swapper/621:50:138
108379987,1cyclictest0-21swapper/620:10:148
108379987,1cyclictest0-21swapper/619:10:138
108379982,5cyclictest0-21swapper/622:25:018
108379981,5cyclictest0-21swapper/623:45:148
108379980,8cyclictest0-21swapper/623:50:168
108379980,8cyclictest0-21swapper/623:20:168
108379980,8cyclictest0-21swapper/623:10:138
108379980,1cyclictest0-21swapper/621:00:168
108379980,1cyclictest0-21swapper/621:00:168
108339982,4cyclictest0-21swapper/519:15:027
108339981,5cyclictest0-21swapper/520:15:007
108339980,1cyclictest0-21swapper/523:00:187
108289987,1cyclictest0-21swapper/423:05:206
108289987,1cyclictest0-21swapper/400:10:016
108289980,8cyclictest0-21swapper/422:05:146
108289980,1cyclictest0-21swapper/423:10:246
108289980,1cyclictest0-21swapper/421:05:146
108249987,1cyclictest0-21swapper/323:55:225
108249987,1cyclictest0-21swapper/320:25:185
108249980,8cyclictest0-21swapper/322:45:135
108249980,1cyclictest0-21swapper/323:25:165
108249980,1cyclictest0-21swapper/320:40:155
108199987,1cyclictest0-21swapper/222:20:134
108199987,1cyclictest0-21swapper/220:40:154
108199987,1cyclictest0-21swapper/220:10:124
108199983,4cyclictest0-21swapper/223:19:514
108199983,4cyclictest0-21swapper/223:03:474
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108609970,1cyclictest0-21swapper/1121:02:243
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