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2026-04-19 - 01:44

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 Sun Apr 19, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
94452115104,6sleep00-21swapper/019:08:430
92472112101,6sleep30-21swapper/319:06:113
9493210897,6sleep10-21swapper/119:09:211
9437210594,6sleep20-21swapper/219:08:382
322162830,0sleep20-21swapper/200:38:402
282042730,0sleep20-21swapper/222:19:222
203052710,0sleep30-21swapper/320:55:163
155302310,0sleep30-21swapper/323:46:223
251532280,1sleep30-21swapper/322:49:513
308492230,1sleep00-21swapper/000:03:030
206022220,1sleep20-21swapper/223:51:542
185442220,1sleep20-21swapper/223:15:542
259792210,0sleep20-21swapper/219:50:112
957099200,2cyclictest0-21swapper/021:50:120
957299191,2cyclictest0-21swapper/219:40:112
9573991815,2cyclictest3111-21kworker/u8:222:03:053
9573991815,2cyclictest28101-21kworker/u8:021:19:043
9573991815,2cyclictest15937-21kworker/u8:122:07:043
9573991815,2cyclictest13818-21kworker/u8:121:13:053
9573991815,2cyclictest1055-21kworker/u8:121:52:043
9571991815,2cyclictest3111-21kworker/u8:221:48:051
9573991714,2cyclictest6033-21kworker/u8:123:38:023
9573991714,2cyclictest543-21kworker/u8:023:02:043
9573991714,2cyclictest30270-21kworker/u8:300:05:043
9573991714,2cyclictest28101-21kworker/u8:021:22:023
9573991714,2cyclictest23370-21kworker/u8:119:55:053
9573991714,2cyclictest17426-21kworker/u8:121:37:053
9573991714,2cyclictest14429-21kworker/u8:100:37:053
9573991714,2cyclictest12412-21kworker/u8:223:15:043
9573991714,2cyclictest10821-21kworker/u8:020:51:043
957399171,14cyclictest2850-21rsyslogd22:20:003
957299170,12cyclictest0-21swapper/200:05:102
9571991714,2cyclictest20588-21kworker/u8:023:24:021
9571991713,2cyclictest18893-21kworker/u8:219:36:051
957399161,3cyclictest0-21swapper/322:00:003
9573991613,2cyclictest6033-21kworker/u8:123:07:053
9573991613,2cyclictest4958-21kworker/u8:000:13:053
9573991613,2cyclictest29956-21kworker/u8:020:11:053
9573991613,2cyclictest23189-21kworker/u8:022:50:053
9573991613,2cyclictest22966-21kworker/u8:100:02:053
9573991613,2cyclictest22768-21kworker/u8:019:19:053
9573991613,2cyclictest15937-21kworker/u8:122:20:063
9573991613,2cyclictest15937-21kworker/u8:122:20:063
9573991613,2cyclictest10821-21kworker/u8:020:35:043
957399161,13cyclictest26542-21mii-tool19:50:143
957399161,13cyclictest0-21swapper/322:25:063
957299161,13cyclictest18843-21ssh22:09:462
9571991613,2cyclictest15937-21kworker/u8:122:55:051
9571991613,2cyclictest15937-21kworker/u8:122:39:051
9570991613,2cyclictest4881-21ssh21:55:110
957399152,2cyclictest0-21swapper/319:36:043
9573991512,2cyclictest6033-21kworker/u8:123:44:043
9573991512,2cyclictest543-21kworker/u8:023:10:053
9573991512,2cyclictest27423-21kworker/u8:220:03:043
9573991512,2cyclictest2497-21kworker/u8:222:30:053
9573991512,2cyclictest21971-21kworker/u8:022:13:053
9573991512,2cyclictest15937-21kworker/u8:122:35:043
9573991512,2cyclictest1584-21kworker/u8:120:16:043
9573991512,2cyclictest14429-21kworker/u8:100:34:043
9573991512,2cyclictest11151-21kworker/u8:021:34:053
9573991512,2cyclictest10821-21kworker/u8:020:49:053
957399150,2cyclictest0-21swapper/322:55:053
957399150,13cyclictest18656-21sh22:42:123
957399150,13cyclictest0-21swapper/320:25:133
957399150,13cyclictest0-21swapper/300:23:053
957399150,13cyclictest0-21swapper/300:18:053
957299150,13cyclictest0-21swapper/222:36:292
957299150,13cyclictest0-21swapper/221:55:122
9571991512,2cyclictest17318-21kworker/u8:222:54:011
9571991512,2cyclictest0-21swapper/121:35:161
9571991510,3cyclictest18321-21sort20:50:131
957199150,4cyclictest18629-21mailstats23:16:001
957199150,13cyclictest0-21swapper/123:02:511
957199150,13cyclictest0-21swapper/119:55:161
957099151,12cyclictest11356-21ssh21:27:540
235932150,0sleep00-21swapper/000:30:000
9573991411,2cyclictest5728-21munin-node3
9573991411,2cyclictest3111-21kworker/u8:221:49:053
9573991411,2cyclictest29956-21kworker/u8:020:09:053
9573991411,2cyclictest26595-21kworker/u8:223:34:063
9573991411,2cyclictest18893-21kworker/u8:219:40:053
9573991411,2cyclictest13818-21kworker/u8:121:01:043
957399140,2cyclictest0-21swapper/323:24:023
957299143,8cyclictest0-21swapper/219:40:002
957299141,3cyclictest32677-21ssh21:50:122
9572991411,2cyclictest0-21swapper/223:59:162
957299140,2cyclictest0-21swapper/222:13:372
957299140,13cyclictest0-21swapper/223:35:072
957299140,13cyclictest0-21swapper/222:02:072
957299140,13cyclictest0-21swapper/221:26:472
957299140,12cyclictest20952-21ssh21:37:502
957299140,12cyclictest1306-21ssh22:25:082
957299140,12cyclictest0-21swapper/223:45:162
957299140,12cyclictest0-21swapper/223:30:362
957299140,12cyclictest0-21swapper/222:20:132
957299140,12cyclictest0-21swapper/222:20:122
957299140,12cyclictest0-21swapper/221:41:022
9571991411,2cyclictest207150irq/24-eth121:20:111
9571991411,2cyclictest14429-21kworker/u8:100:23:041
9571991411,2cyclictest0-21swapper/121:40:131
9571991410,2cyclictest3728-21runrttasks21:34:501
957199140,2cyclictest0-21swapper/121:10:141
957199140,2cyclictest0-21swapper/100:35:271
957199140,2cyclictest0-21swapper/100:02:271
957199140,12cyclictest9861-21tr00:15:111
957199140,12cyclictest0-21swapper/123:10:511
957199140,12cyclictest0-21swapper/122:10:101
957199140,12cyclictest0-21swapper/121:55:391
9570991411,2cyclictest0-21swapper/023:59:500
9570991411,2cyclictest0-21swapper/023:20:200
9570991411,2cyclictest0-21swapper/022:25:200
9570991411,2cyclictest0-21swapper/000:05:100
9570991410,3cyclictest0-21swapper/023:06:550
9570991410,2cyclictest5182-21ssh23:01:440
9570991410,2cyclictest13498-21aten2.4_r3power23:45:100
957099140,13cyclictest0-21swapper/023:54:310
957099140,13cyclictest0-21swapper/022:15:510
9573991310,2cyclictest9822-21kworker/u8:119:14:013
9573991310,2cyclictest24784-1kworker/u9:221:42:163
9573991310,2cyclictest22768-21kworker/u8:019:49:053
9573991310,2cyclictest20588-21kworker/u8:023:25:043
9573991310,2cyclictest16989-21kworker/u8:223:58:053
9573991310,2cyclictest16989-21kworker/u8:223:53:043
9573991310,2cyclictest0-21swapper/319:31:013
957399130,12cyclictest0-21swapper/321:25:303
957299139,2cyclictest21872-21apt-get21:00:092
957299132,7cyclictest0-21swapper/220:09:592
957299132,7cyclictest0-21swapper/220:04:592
957299132,7cyclictest0-21swapper/219:30:002
957299132,6cyclictest21571-21copy23:20:012
957299132,6cyclictest0-21swapper/219:25:012
9572991310,2cyclictest0-21swapper/223:26:062
9572991310,2cyclictest0-21swapper/222:52:392
9572991310,2cyclictest0-21swapper/222:32:592
9572991310,2cyclictest0-21swapper/221:15:062
9572991310,2cyclictest0-21swapper/200:29:072
9572991310,2cyclictest0-21swapper/200:13:572
9572991310,2cyclictest0-21swapper/200:04:272
957299130,2cyclictest505-21ssh22:57:102
957299130,2cyclictest0-21swapper/223:02:462
957299130,2cyclictest0-21swapper/200:21:272
957299130,12cyclictest0-21swapper/200:19:162
957199139,2cyclictest0-21swapper/100:32:341
9571991310,2cyclictest0-21swapper/123:45:551
9571991310,2cyclictest0-21swapper/123:35:181
9571991310,2cyclictest0-21swapper/122:45:011
9571991310,2cyclictest0-21swapper/122:43:511
9571991310,2cyclictest0-21swapper/122:21:561
9571991310,2cyclictest0-21swapper/122:21:551
9571991310,2cyclictest0-21swapper/121:50:181
9571991310,2cyclictest0-21swapper/121:27:541
9571991310,2cyclictest0-21swapper/120:41:021
9571991310,2cyclictest0-21swapper/120:35:021
9571991310,2cyclictest0-21swapper/120:00:141
957199130,2cyclictest0-21swapper/123:41:021
957199130,2cyclictest0-21swapper/122:26:511
957199130,2cyclictest0-21swapper/120:05:401
957199130,12cyclictest0-21swapper/123:54:421
957199130,12cyclictest0-21swapper/123:34:521
957199130,12cyclictest0-21swapper/123:25:101
957199130,12cyclictest0-21swapper/122:30:421
957199130,12cyclictest0-21swapper/122:15:171
957199130,12cyclictest0-21swapper/121:16:031
957199130,12cyclictest0-21swapper/100:10:181
957099139,2cyclictest27999-21munin-node0
957099139,2cyclictest0-21swapper/020:40:120
957099133,6cyclictest0-21swapper/021:05:300
9570991310,2cyclictest9554-21ssh23:40:170
9570991310,2cyclictest26844-21ssh00:32:400
9570991310,2cyclictest0-21swapper/023:25:410
9570991310,2cyclictest0-21swapper/022:50:550
9570991310,2cyclictest0-21swapper/022:06:200
9570991310,2cyclictest0-21swapper/021:41:020
9570991310,2cyclictest0-21swapper/021:20:330
9570991310,2cyclictest0-21swapper/019:11:010
9570991310,2cyclictest0-21swapper/000:35:120
9570991310,2cyclictest0-21swapper/000:13:200
957099130,3cyclictest25909-21ssh21:10:030
957099130,2cyclictest0-21swapper/023:11:030
957099130,2cyclictest0-21swapper/022:32:130
957099130,12cyclictest0-21swapper/022:13:300
957099130,12cyclictest0-21swapper/000:21:320
957099130,11cyclictest0-21swapper/023:30:150
957399129,2cyclictest16989-21kworker/u8:200:28:043
957399129,2cyclictest0-21swapper/320:40:113
957399120,2cyclictest0-21swapper/321:07:043
957299129,2cyclictest0-21swapper/223:11:202
957299129,2cyclictest0-21swapper/221:45:592
957299129,2cyclictest0-21swapper/221:31:582
957299129,2cyclictest0-21swapper/221:10:292
957299129,2cyclictest0-21swapper/220:10:182
957299122,7cyclictest0-21swapper/220:48:592
957299122,7cyclictest0-21swapper/220:24:592
957299122,6cyclictest0-21swapper/222:45:492
957299120,2cyclictest0-21swapper/221:22:292
957299120,2cyclictest0-21swapper/219:45:182
957299120,2cyclictest0-21swapper/200:31:272
957299120,11cyclictest0-21swapper/223:05:072
957299120,11cyclictest0-21swapper/222:42:372
957299120,11cyclictest0-21swapper/219:15:172
957299120,11cyclictest0-21swapper/219:10:282
957199129,2cyclictest883-21munin-node1
957199129,2cyclictest6033-21kworker/u8:123:05:041
957199129,2cyclictest0-21swapper/123:55:401
957199129,2cyclictest0-21swapper/121:06:031
957199129,2cyclictest0-21swapper/120:55:151
957199129,2cyclictest0-21swapper/120:21:001
957199129,2cyclictest0-21swapper/100:25:161
957199120,2cyclictest0-21swapper/122:05:041
957199120,2cyclictest0-21swapper/120:15:171
957199120,2cyclictest0-21swapper/120:10:281
957199120,2cyclictest0-21swapper/119:15:191
957199120,11cyclictest0-21swapper/122:01:061
957099129,2cyclictest0-21swapper/023:16:210
957099129,2cyclictest0-21swapper/022:47:420
957099129,2cyclictest0-21swapper/022:35:100
957099129,2cyclictest0-21swapper/022:00:130
957099129,2cyclictest0-21swapper/021:36:130
957099129,2cyclictest0-21swapper/021:31:410
957099128,2cyclictest0-21swapper/023:37:020
957099122,7cyclictest4556-21metacity20:16:580
957099120,2cyclictest0-21swapper/022:56:420
957099120,2cyclictest0-21swapper/022:20:330
957099120,2cyclictest0-21swapper/022:20:320
957099120,2cyclictest0-21swapper/021:00:160
957099120,11cyclictest25676-21diskmemload00:16:370
957099120,11cyclictest0-21swapper/022:40:140
957099120,11cyclictest0-21swapper/021:45:500
957099120,11cyclictest0-21swapper/021:16:110
957099120,11cyclictest0-21swapper/020:35:160
957099120,11cyclictest0-21swapper/020:30:590
957099120,11cyclictest0-21swapper/019:50:110
957099120,11cyclictest0-21swapper/019:45:190
957299116,3cyclictest0-21swapper/220:15:162
957299110,7cyclictest8968-21switchtime20:26:012
957199118,2cyclictest0-21swapper/120:45:121
957199117,2cyclictest0-21swapper/119:30:151
957199110,9cyclictest0-21swapper/119:20:151
957099112,7cyclictest0-21swapper/020:55:010
957099112,7cyclictest0-21swapper/020:46:020
957099112,7cyclictest0-21swapper/019:39:590
957099111,6cyclictest0-21swapper/019:40:150
957099111,5cyclictest0-21swapper/019:25:110
85942110,2sleep20-21swapper/223:40:082
957399100,2cyclictest0-21swapper/319:27:043
957299107,2cyclictest0-21swapper/219:55:122
957299102,7cyclictest0-21swapper/221:09:012
957299102,7cyclictest0-21swapper/220:34:592
957299100,7cyclictest0-21swapper/219:33:592
957199107,2cyclictest24120-21cpuspeed_turbos19:45:141
957199107,2cyclictest1584-21kworker/u8:120:28:041
957199107,2cyclictest0-21swapper/120:30:021
957199107,2cyclictest0-21swapper/119:40:171
957199107,2cyclictest0-21swapper/119:25:171
957199101,8cyclictest9569-21cyclictest21:00:131
957099107,2cyclictest0-21swapper/020:10:110
957099102,7cyclictest0-21swapper/020:09:580
957099101,6cyclictest0-21swapper/020:51:010
957099101,6cyclictest0-21swapper/019:30:120
957099101,6cyclictest0-21swapper/019:15:090
957099100,7cyclictest0-21swapper/019:22:590
95739994,3cyclictest10273-21tune2fs20:30:133
95729994,3cyclictest19755-21grep20:54:592
95729994,3cyclictest13934-21aten2.4_r3power20:40:112
95729994,3cyclictest12068-21grep20:35:152
95719990,8cyclictest0-21swapper/119:50:161
95719990,8cyclictest0-21swapper/119:10:141
95709994,3cyclictest30678-21wc20:00:180
95709992,6cyclictest0-21swapper/020:25:240
95709991,6cyclictest0-21swapper/020:20:230
95739981,3cyclictest0-21swapper/319:20:143
95729983,3cyclictest19840-21seq20:55:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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