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2026-03-27 - 13:16

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 Fri Mar 27, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8044211494,14sleep10-21swapper/119:06:321
8242211295,12sleep20-21swapper/219:09:062
8071210695,6sleep30-21swapper/319:06:553
815229988,6sleep00-21swapper/019:07:550
33522710,0sleep30-21swapper/322:37:353
10252590,1sleep00-21swapper/020:11:010
126652560,1sleep10-21swapper/123:20:191
8343992617,7cyclictest0-21swapper/323:50:113
172712260,1sleep00-21swapper/023:59:330
36312250,0sleep30-21swapper/300:18:483
834299231,20cyclictest0-21swapper/223:55:152
834199220,20cyclictest0-21swapper/121:34:051
8340992217,3cyclictest29450-21ssh23:05:110
834099220,2cyclictest0-21swapper/000:30:130
148772220,0sleep00-21swapper/023:23:020
834299211,18cyclictest0-21swapper/220:55:112
834299210,2cyclictest0-21swapper/220:15:132
834299210,19cyclictest0-21swapper/219:25:102
834099210,2cyclictest0-21swapper/000:15:120
160112210,1sleep116015-21unixbench_singl00:31:041
834299200,18cyclictest0-21swapper/223:40:112
834199203,2cyclictest0-21swapper/123:40:011
834099200,2cyclictest0-21swapper/020:15:140
834399192,6cyclictest18603-21ssh00:35:003
834299190,17cyclictest0-21swapper/223:35:102
834399182,6cyclictest0-21swapper/323:15:003
8341991814,2cyclictest23731-21diskmemload23:14:011
8341991811,6cyclictest23-21ksoftirqd/122:20:011
8341991714,2cyclictest7329-21kworker/u8:023:28:041
8341991714,2cyclictest32366-21kworker/u8:200:18:041
8341991714,2cyclictest23646-21kworker/u8:121:24:051
8341991714,2cyclictest14013-21kworker/u8:222:16:041
226132170,0sleep00-21swapper/021:41:130
8341991613,2cyclictest4530-21kworker/u8:221:35:041
8341991613,2cyclictest31818-21kworker/u8:120:29:051
8341991613,2cyclictest23295-21kworker/u8:121:58:041
834099163,11cyclictest0-21swapper/023:40:110
65702160,0sleep30-21swapper/322:03:043
834399151,2cyclictest0-21swapper/320:35:123
8343991511,2cyclictest0-21swapper/323:25:593
8343991510,3cyclictest17969-21ssh21:36:333
834399150,13cyclictest9123-21grep20:31:043
834399150,13cyclictest0-21swapper/300:10:193
834299152,7cyclictest0-21swapper/220:45:002
834299151,12cyclictest17204-21latency23:25:152
834299150,13cyclictest29316-21fschecks_count21:15:142
834299150,13cyclictest22878-21wget19:45:142
8341991512,2cyclictest5890-21kworker/u8:119:22:051
8341991512,2cyclictest31818-21kworker/u8:120:09:041
8341991512,2cyclictest26957-21kworker/u8:122:42:011
8341991512,2cyclictest17830-21kworker/u8:000:10:061
8341991512,2cyclictest14013-21kworker/u8:222:37:041
834199151,12cyclictest3182-21lldpd22:33:451
834199151,12cyclictest19203-21df00:35:131
8341991510,3cyclictest0-21swapper/119:46:001
834199150,10cyclictest0-21swapper/121:08:041
834099151,3cyclictest0-21swapper/000:00:130
8340991510,3cyclictest0-21swapper/021:12:580
834099150,13cyclictest15392-21latency_hist21:35:010
834099150,13cyclictest0-21swapper/023:34:150
834399142,7cyclictest0-21swapper/319:55:003
834399142,7cyclictest0-21swapper/319:24:023
834399142,7cyclictest0-21swapper/319:20:003
8343991411,2cyclictest0-21swapper/322:50:293
8343991411,2cyclictest0-21swapper/322:34:423
8343991411,2cyclictest0-21swapper/321:53:203
834399141,11cyclictest0-21swapper/323:58:543
834399140,3cyclictest16824-21hwlatdetect19:30:163
834399140,13cyclictest0-21swapper/323:45:293
834399140,13cyclictest0-21swapper/321:59:193
834399140,13cyclictest0-21swapper/321:12:493
834399140,13cyclictest0-21swapper/300:38:493
834399140,12cyclictest22285-21munin-node3
834299149,3cyclictest5032-21awk20:20:192
834299142,6cyclictest0-21swapper/222:20:002
834299142,6cyclictest0-21swapper/219:35:002
834299140,3cyclictest0-21swapper/222:46:032
834299140,2cyclictest23731-21diskmemload21:20:172
834299140,12cyclictest0-21swapper/222:12:572
834299140,12cyclictest0-21swapper/200:07:552
834199149,3cyclictest18939-21uname19:35:181
834199149,3cyclictest18939-21uname19:35:171
8341991411,2cyclictest4146-21kworker/u8:221:16:051
8341991411,2cyclictest23646-21kworker/u8:121:26:041
8341991411,2cyclictest18949-21kworker/u8:120:56:011
8341991411,2cyclictest18321-21kworker/u8:119:52:041
8341991411,2cyclictest17830-21kworker/u8:000:27:041
8341991411,2cyclictest13694-21kworker/u8:019:32:041
8341991411,2cyclictest12325-21kworker/u8:223:50:011
8341991411,2cyclictest11913-21kworker/u8:020:53:051
8341991411,2cyclictest11913-21kworker/u8:020:44:041
8341991411,2cyclictest10629-21kworker/u8:219:29:041
8341991411,2cyclictest0-21swapper/123:57:281
834199140,2cyclictest0-21swapper/121:50:361
834199140,13cyclictest0-21swapper/120:00:171
834199140,12cyclictest0-21swapper/123:30:381
834099141,2cyclictest0-21swapper/021:55:210
834099141,11cyclictest23731-21diskmemload22:44:310
834099140,2cyclictest0-21swapper/023:03:540
834099140,13cyclictest0-21swapper/022:20:140
834099140,12cyclictest0-21swapper/023:52:170
834099140,12cyclictest0-21swapper/023:49:400
834099140,12cyclictest0-21swapper/022:28:380
834099140,12cyclictest0-21swapper/019:10:140
260172140,2sleep10-21swapper/121:11:041
834399139,2cyclictest0-21swapper/323:01:123
8343991310,2cyclictest23731-21diskmemload21:21:013
8343991310,2cyclictest0-21swapper/323:44:533
8343991310,2cyclictest0-21swapper/323:07:243
8343991310,2cyclictest0-21swapper/322:57:433
8343991310,2cyclictest0-21swapper/322:44:023
8343991310,2cyclictest0-21swapper/322:16:423
8343991310,2cyclictest0-21swapper/321:30:523
834399130,2cyclictest0-21swapper/321:41:023
834399130,2cyclictest0-21swapper/321:15:123
834399130,2cyclictest0-21swapper/300:00:333
834399130,12cyclictest8339-21cyclictest21:27:003
834399130,12cyclictest0-21swapper/323:35:393
834399130,12cyclictest0-21swapper/323:16:013
834399130,12cyclictest0-21swapper/322:45:133
834299139,2cyclictest0-21swapper/222:40:122
834299138,3cyclictest4862-21munin-node2
834299132,6cyclictest0-21swapper/221:35:002
8342991310,2cyclictest30971-21ssh22:32:362
8342991310,2cyclictest0-21swapper/223:22:252
8342991310,2cyclictest0-21swapper/222:07:152
834299130,2cyclictest0-21swapper/222:50:062
834299130,2cyclictest0-21swapper/222:17:182
834299130,2cyclictest0-21swapper/221:00:142
834299130,2cyclictest0-21swapper/200:35:122
834299130,2cyclictest0-21swapper/200:19:152
834299130,2cyclictest0-21swapper/200:13:152
834299130,12cyclictest0-21swapper/223:47:272
8341991310,2cyclictest7329-21kworker/u8:023:35:041
8341991310,2cyclictest27882-21kworker/u8:020:18:051
8341991310,2cyclictest26957-21kworker/u8:122:46:041
8341991310,2cyclictest23295-21kworker/u8:121:45:041
8341991310,2cyclictest18321-21kworker/u8:119:55:041
8341991310,2cyclictest14869-21copy22:50:031
8341991310,2cyclictest14668-21kworker/u8:222:55:051
8341991310,2cyclictest13694-21kworker/u8:019:44:051
8341991310,2cyclictest13694-21kworker/u8:019:44:041
8341991310,2cyclictest0-21swapper/122:03:481
8341991310,2cyclictest0-21swapper/121:41:071
834199130,2cyclictest0-21swapper/123:06:391
834199130,2cyclictest0-21swapper/100:00:081
834199130,11cyclictest0-21swapper/123:45:361
834199130,11cyclictest0-21swapper/123:00:511
8340991310,2cyclictest6138-21ssh21:25:040
8340991310,2cyclictest0-21swapper/022:51:340
8340991310,2cyclictest0-21swapper/022:33:390
8340991310,2cyclictest0-21swapper/022:19:570
8340991310,2cyclictest0-21swapper/022:10:190
8340991310,2cyclictest0-21swapper/022:04:160
8340991310,2cyclictest0-21swapper/021:51:530
8340991310,2cyclictest0-21swapper/020:41:020
8340991310,2cyclictest0-21swapper/020:20:140
8340991310,2cyclictest0-21swapper/000:10:150
8340991310,2cyclictest0-21swapper/000:05:130
834099130,2cyclictest3520-21diskmemload21:21:300
834099130,2cyclictest29198-21ssh23:37:510
834099130,2cyclictest23731-21diskmemload21:45:500
834099130,2cyclictest0-21swapper/000:35:380
834099130,12cyclictest0-21swapper/021:17:140
834099130,12cyclictest0-21swapper/019:46:020
834099130,11cyclictest0-21swapper/022:55:270
834099130,11cyclictest0-21swapper/022:05:230
834399129,2cyclictest0-21swapper/322:10:223
834399129,2cyclictest0-21swapper/322:06:123
834399129,2cyclictest0-21swapper/300:27:413
834399129,2cyclictest0-21swapper/300:20:133
834399127,3cyclictest30919-21hddtemp_smartct20:05:173
834399122,7cyclictest0-21swapper/320:45:013
834399122,6cyclictest0-21swapper/320:54:593
834399121,9cyclictest0-21swapper/320:00:003
834399120,6cyclictest0-21swapper/321:10:003
834399120,2cyclictest0-21swapper/322:25:323
834399120,2cyclictest0-21swapper/321:45:133
834399120,11cyclictest0-21swapper/323:20:423
834399120,11cyclictest0-21swapper/322:22:323
834399120,11cyclictest0-21swapper/320:00:593
834399120,11cyclictest0-21swapper/300:06:033
834299129,2cyclictest0-21swapper/222:25:472
834299129,2cyclictest0-21swapper/221:49:352
834299129,2cyclictest0-21swapper/221:25:112
834299129,2cyclictest0-21swapper/200:30:262
834299127,3cyclictest23731-21diskmemload22:55:152
834299123,6cyclictest0-21swapper/223:06:022
834299123,5cyclictest0-21swapper/220:46:012
834299122,7cyclictest0-21swapper/221:55:582
834299122,7cyclictest0-21swapper/219:55:002
834299120,2cyclictest0-21swapper/223:32:162
834299120,2cyclictest0-21swapper/223:10:152
834299120,2cyclictest0-21swapper/223:04:552
834299120,2cyclictest0-21swapper/222:35:142
834299120,2cyclictest0-21swapper/221:41:562
834299120,2cyclictest0-21swapper/221:35:132
834299120,2cyclictest0-21swapper/200:27:172
834299120,2cyclictest0-21swapper/200:01:552
834299120,1cyclictest0-21swapper/221:52:082
834299120,11cyclictest0-21swapper/223:17:152
834299120,11cyclictest0-21swapper/222:02:362
834299120,11cyclictest0-21swapper/220:50:152
834299120,11cyclictest0-21swapper/220:00:112
834199129,2cyclictest11913-21kworker/u8:020:45:041
834199129,2cyclictest0-21swapper/122:10:041
834199128,2cyclictest0-21swapper/120:20:051
834199122,6cyclictest0-21swapper/122:26:321
834199120,8cyclictest0-21swapper/120:12:011
834199120,2cyclictest0-21swapper/123:16:111
834199120,2cyclictest0-21swapper/120:30:131
834199120,11cyclictest0-21swapper/122:05:171
834199120,11cyclictest0-21swapper/121:00:171
834199120,11cyclictest0-21swapper/100:21:051
834199120,11cyclictest0-21swapper/100:07:041
834099129,2cyclictest10660-21ssh00:25:260
834099129,2cyclictest0-21swapper/023:25:480
834099129,2cyclictest0-21swapper/022:45:120
834099129,2cyclictest0-21swapper/021:36:130
834099120,2cyclictest0-21swapper/023:10:090
834099120,2cyclictest0-21swapper/022:35:100
834099120,2cyclictest0-21swapper/000:20:160
834099120,11cyclictest0-21swapper/023:15:070
834099120,11cyclictest0-21swapper/020:35:120
834099120,11cyclictest0-21swapper/020:00:150
834099120,11cyclictest0-21swapper/019:55:150
834099120,11cyclictest0-21swapper/019:50:170
834399118,2cyclictest0-21swapper/319:10:393
834399112,6cyclictest0-21swapper/320:12:023
834399112,5cyclictest0-21swapper/323:31:023
834399112,5cyclictest0-21swapper/320:16:033
834299118,2cyclictest0-21swapper/221:10:452
834299118,2cyclictest0-21swapper/219:40:182
834299118,2cyclictest0-21swapper/219:40:172
834299116,3cyclictest8909-21cut23:50:152
834299112,7cyclictest0-21swapper/220:30:012
834299112,6cyclictest0-21swapper/219:15:542
834299112,5cyclictest0-21swapper/220:06:032
834299112,5cyclictest0-21swapper/219:55:592
834299111,7cyclictest0-21swapper/220:39:012
834299111,6cyclictest0-21swapper/219:36:012
834299111,6cyclictest0-21swapper/219:36:012
834199118,2cyclictest0-21swapper/120:35:181
834199110,9cyclictest8551-21munin-node1
834099118,2cyclictest0-21swapper/021:05:130
834099118,2cyclictest0-21swapper/019:35:060
834099118,2cyclictest0-21swapper/019:35:050
64132110,1sleep00-21swapper/020:25:160
834399105,3cyclictest13673-21turbostat.cron20:45:003
834399103,4cyclictest4146-21kworker/u8:221:00:123
834399101,7cyclictest0-21swapper/320:21:583
834399100,6cyclictest0-21swapper/320:26:023
834299107,2cyclictest0-21swapper/219:10:132
834299101,5cyclictest0-21swapper/220:10:002
834199100,9cyclictest0-21swapper/119:17:581
834099107,2cyclictest0-21swapper/020:35:000
834099105,3cyclictest12464-21cpuspeed_turbos19:20:100
834099101,5cyclictest0-21swapper/021:00:000
834099101,5cyclictest0-21swapper/019:40:000
834099101,5cyclictest0-21swapper/019:40:000
834099101,5cyclictest0-21swapper/019:20:000
834099100,8cyclictest0-21swapper/019:25:100
83439994,3cyclictest20904-21if_err_eth019:40:163
83439994,3cyclictest20904-21if_err_eth019:40:153
83439994,3cyclictest18297-21cut19:35:123
83439994,3cyclictest18297-21cut19:35:123
83439994,3cyclictest15832-21taskset19:27:583
83439994,3cyclictest0-21swapper/320:55:163
83429996,2cyclictest0-21swapper/219:21:012
83429994,3cyclictest0-21swapper/221:05:102
83409996,2cyclictest0-21swapper/019:30:000
83409994,3cyclictest30630-21tr20:05:150
83409994,3cyclictest19296-21grep20:56:020
83409992,6cyclictest0-21swapper/020:51:020
83429983,3cyclictest6459-21if_eth020:25:162
83409983,3cyclictest13998-21aten2.4_r3power20:45:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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