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2026-07-27 - 05:18

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 all highest latencies:
System rack3slot6s.osadl.org (updated Mon Jul 27, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27560211594,15sleep20-21swapper/219:08:342
27459211394,14sleep10-21swapper/119:07:161
27425210889,14sleep30-21swapper/319:06:503
27380210886,17sleep00-21swapper/019:06:150
165812700,1sleep00-21swapper/023:27:460
10262700,0sleep00-21swapper/022:05:130
300182690,0sleep10-21swapper/120:35:131
67122500,1sleep36711-21pzem_current20:55:193
163122230,3sleep011-21rcuc/020:00:150
102702230,4sleep22770099cyclictest19:45:142
104442220,1sleep121-21rcuc/122:15:131
27701992118,2cyclictest7387-21kworker/u8:223:19:043
2770199210,16cyclictest0-21swapper/323:22:043
2770199210,16cyclictest0-21swapper/322:47:043
2770199210,16cyclictest0-21swapper/322:37:043
2769999212,2cyclictest23-21ksoftirqd/123:14:041
27699992118,2cyclictest8784-21kworker/u8:321:14:041
27699992118,2cyclictest7847-21kworker/u8:119:54:041
27699992118,2cyclictest32080-21kworker/u8:219:22:041
27699992118,2cyclictest30942-21kworker/u8:023:32:041
27699992118,2cyclictest21833-21kworker/u8:019:47:041
27699992118,2cyclictest17237-21kworker/u8:222:57:041
27699992118,2cyclictest15795-21kworker/u8:021:59:041
27699992118,2cyclictest11384-21kworker/u8:220:22:011
2770199200,19cyclictest0-21swapper/321:10:123
2770199200,18cyclictest0-21swapper/322:00:123
2770199200,18cyclictest0-21swapper/320:40:123
2770099200,2cyclictest0-21swapper/222:40:122
2770099200,19cyclictest0-21swapper/221:10:122
27699992017,2cyclictest5816-21kworker/u8:123:17:041
27699992017,2cyclictest5816-21kworker/u8:122:44:011
27699992017,2cyclictest32080-21kworker/u8:219:27:041
27699992017,2cyclictest26054-21kworker/u8:120:29:041
27699992017,2cyclictest25955-21kworker/u8:119:11:041
27699992017,2cyclictest21833-21kworker/u8:019:33:041
27699992017,2cyclictest21833-21kworker/u8:019:33:041
27699992017,2cyclictest15795-21kworker/u8:021:48:011
27699992017,2cyclictest11384-21kworker/u8:220:19:031
2769999200,18cyclictest0-21swapper/123:04:041
27701991916,2cyclictest11905-21kworker/u8:023:57:043
2770199190,18cyclictest0-21swapper/321:48:053
2770199190,17cyclictest0-21swapper/322:19:043
2770099190,18cyclictest0-21swapper/220:05:132
27699991916,2cyclictest7847-21kworker/u8:120:03:041
27699991916,2cyclictest3623-21kworker/u8:020:55:041
27699991916,2cyclictest30049-21kworker/u8:222:36:011
27699991916,2cyclictest28093-21kworker/u8:222:04:041
27699991916,2cyclictest26560-21kworker/u8:200:19:041
27699991916,2cyclictest26054-21kworker/u8:120:30:041
27699991916,2cyclictest11491-21kworker/u8:221:17:041
27699991916,2cyclictest11384-21kworker/u8:219:58:051
2769999191,2cyclictest0-21swapper/123:44:041
2769999191,2cyclictest0-21swapper/100:12:051
2770199180,8cyclictest0-21swapper/321:18:043
2770199180,5cyclictest0-21swapper/300:34:013
27699991815,2cyclictest5176-21kworker/u8:123:52:041
27699991815,2cyclictest32074-21kworker/u8:220:48:041
27699991815,2cyclictest21833-21kworker/u8:019:39:041
27699991815,2cyclictest21828-21kworker/u8:021:30:041
2769999180,2cyclictest0-21swapper/122:34:041
2769999180,2cyclictest0-21swapper/122:34:041
2769999180,16cyclictest0-21swapper/100:02:041
27701991714,2cyclictest26560-21kworker/u8:200:08:043
2770199170,5cyclictest0-21swapper/322:10:043
2770099170,2cyclictest0-21swapper/223:00:122
2769999172,2cyclictest0-21swapper/121:36:041
27699991714,2cyclictest7387-21kworker/u8:223:21:041
27699991714,2cyclictest11384-21kworker/u8:220:09:041
2769999170,2cyclictest0-21swapper/123:45:041
2769999170,2cyclictest0-21swapper/122:49:041
2769999170,2cyclictest0-21swapper/120:42:011
2769999170,2cyclictest0-21swapper/119:40:041
2769899171,14cyclictest2874-21processes00:20:190
27701991613,2cyclictest5816-21kworker/u8:123:00:043
2770199161,12cyclictest30830-21munin-node3
2770199160,9cyclictest0-21swapper/323:50:043
2770199160,2cyclictest0-21swapper/323:12:053
2770199160,15cyclictest0-21swapper/319:46:053
27699991613,2cyclictest3623-21kworker/u8:020:51:041
27699991613,2cyclictest25955-21kworker/u8:119:16:051
2769999160,2cyclictest0-21swapper/123:59:041
2769999160,2cyclictest0-21swapper/123:38:011
2769899160,2cyclictest0-21swapper/023:12:050
2770199158,5cyclictest22789-21sh22:27:043
2770199150,8cyclictest0-21swapper/321:21:043
2770199150,3cyclictest12067-21cpuspeed_turbos19:50:133
2770199150,13cyclictest0-21swapper/320:30:163
2770199150,13cyclictest0-21swapper/320:06:053
2770099150,13cyclictest0-21swapper/220:15:172
27699991512,2cyclictest11491-21kworker/u8:221:52:041
27699991511,3cyclictest5222-21kworker/u8:121:44:041
2769999150,2cyclictest0-21swapper/123:08:041
2769999150,2cyclictest0-21swapper/122:52:031
2769999150,2cyclictest0-21swapper/122:25:041
2769999150,2cyclictest0-21swapper/121:25:041
2769999150,2cyclictest0-21swapper/121:07:041
2769999150,2cyclictest0-21swapper/100:20:041
2769899157,6cyclictest11245-21munin-node0
2769899151,3cyclictest0-21swapper/000:02:420
27698991510,3cyclictest13809-21sendmail_mailqu22:50:590
27698991510,3cyclictest0-21swapper/021:00:110
2769899150,13cyclictest31714-21ssh22:36:050
79912140,1sleep3381ktimersoftd/321:39:393
27701991411,2cyclictest26560-21kworker/u8:200:22:043
27701991411,2cyclictest0-21swapper/300:29:203
2770199140,2cyclictest0-21swapper/321:55:123
2770199140,13cyclictest0-21swapper/319:21:003
2770199140,12cyclictest0-21swapper/322:31:033
2770199140,12cyclictest0-21swapper/322:31:033
2770099140,2cyclictest0-21swapper/223:55:552
2770099140,2cyclictest0-21swapper/222:09:232
2770099140,2cyclictest0-21swapper/221:45:242
2770099140,2cyclictest0-21swapper/221:20:142
2770099140,2cyclictest0-21swapper/200:28:152
2770099140,12cyclictest0-21swapper/222:01:042
2770099140,12cyclictest0-21swapper/221:42:282
2769999149,3cyclictest0-21swapper/120:10:161
27699991411,2cyclictest26560-21kworker/u8:200:27:041
27699991410,2cyclictest11573-21diskmemload00:06:421
27699991410,2cyclictest0-21swapper/100:36:521
2769999140,2cyclictest0-21swapper/122:05:041
2769999140,2cyclictest0-21swapper/121:22:051
2769999140,2cyclictest0-21swapper/100:31:041
2769999140,12cyclictest0-21swapper/121:00:091
27698991410,3cyclictest26560-21kworker/u8:200:18:040
27698991410,2cyclictest0-21swapper/000:30:000
2769899140,3cyclictest0-21swapper/023:41:290
2769899140,2cyclictest0-21swapper/019:55:180
2769899140,13cyclictest0-21swapper/022:00:190
2769899140,12cyclictest3649-21snmpd23:21:230
2769899140,12cyclictest21371-21kworker/0:019:20:110
2769899140,12cyclictest16223-21ntpq22:20:170
2769899140,12cyclictest11573-21diskmemload23:16:210
2769899140,12cyclictest0-21swapper/021:27:110
2769899140,12cyclictest0-21swapper/000:39:290
2769899140,12cyclictest0-21swapper/000:33:390
2770199139,2cyclictest0-21swapper/319:25:163
27701991310,2cyclictest0-21swapper/323:39:103
27701991310,2cyclictest0-21swapper/323:30:193
27701991310,2cyclictest0-21swapper/322:55:173
27701991310,2cyclictest0-21swapper/320:20:293
27701991310,2cyclictest0-21swapper/300:35:183
2770199130,3cyclictest5092-21ssh22:09:533
2770199130,2cyclictest0-21swapper/323:25:173
2770199130,2cyclictest0-21swapper/300:00:283
2770199130,12cyclictest0-21swapper/322:50:153
2770199130,11cyclictest24244-21copy00:10:013
27700991310,2cyclictest20325-21ssh00:38:562
27700991310,2cyclictest15065-21ssh00:33:162
27700991310,2cyclictest0-21swapper/223:50:152
27700991310,2cyclictest0-21swapper/223:45:252
27700991310,2cyclictest0-21swapper/223:34:362
27700991310,2cyclictest0-21swapper/222:45:122
27700991310,2cyclictest0-21swapper/222:21:142
27700991310,2cyclictest0-21swapper/221:56:182
27700991310,2cyclictest0-21swapper/221:28:342
27700991310,2cyclictest0-21swapper/221:18:552
27700991310,2cyclictest0-21swapper/200:24:452
27700991310,2cyclictest0-21swapper/200:16:052
27700991310,2cyclictest0-21swapper/200:06:052
2770099130,2cyclictest0-21swapper/219:20:172
2770099130,12cyclictest0-21swapper/223:35:052
2770099130,12cyclictest0-21swapper/223:11:552
2770099130,12cyclictest0-21swapper/222:56:052
2770099130,12cyclictest0-21swapper/222:27:442
2770099130,12cyclictest0-21swapper/222:14:282
2770099130,12cyclictest0-21swapper/220:25:142
2770099130,12cyclictest0-21swapper/200:13:472
27699991310,2cyclictest0-21swapper/122:21:151
2769999130,2cyclictest0-21swapper/123:25:041
2769899139,3cyclictest20171-21ssh22:25:120
2769899139,2cyclictest9719-21latency_hist19:45:010
2769899138,3cyclictest23910-21sh23:01:140
2769899138,3cyclictest0-21swapper/022:57:420
27698991310,2cyclictest0-21swapper/023:57:290
27698991310,2cyclictest0-21swapper/023:35:060
27698991310,2cyclictest0-21swapper/021:35:390
27698991310,2cyclictest0-21swapper/019:30:110
27698991310,2cyclictest0-21swapper/019:30:110
27698991310,2cyclictest0-21swapper/019:15:310
27698991310,2cyclictest0-21swapper/000:12:490
2769899130,3cyclictest0-21swapper/021:12:530
2769899130,2cyclictest0-21swapper/023:05:290
2769899130,2cyclictest0-21swapper/022:15:390
2769899130,2cyclictest0-21swapper/021:55:580
2769899130,2cyclictest0-21swapper/000:05:160
2769899130,11cyclictest0-21swapper/023:45:190
2769899130,11cyclictest0-21swapper/021:52:190
2769899130,11cyclictest0-21swapper/021:20:150
2769899130,11cyclictest0-21swapper/021:15:280
2769899130,11cyclictest0-21swapper/020:56:050
2769899130,11cyclictest0-21swapper/019:11:030
2770199129,2cyclictest26054-21kworker/u8:120:50:043
2770199129,2cyclictest0-21swapper/323:48:433
2770199129,2cyclictest0-21swapper/323:07:303
2770199129,2cyclictest0-21swapper/322:20:103
2770199129,2cyclictest0-21swapper/320:15:163
2770199120,2cyclictest0-21swapper/321:51:043
2770199120,2cyclictest0-21swapper/321:40:153
2770199120,2cyclictest0-21swapper/320:25:153
2770199120,11cyclictest0-21swapper/323:41:103
2770199120,11cyclictest0-21swapper/321:31:463
2770199120,11cyclictest0-21swapper/319:55:183
2770099129,2cyclictest4813-21ssh21:35:252
2770099129,2cyclictest0-21swapper/223:17:152
2770099129,2cyclictest0-21swapper/222:35:352
2770099129,2cyclictest0-21swapper/222:33:342
2770099129,2cyclictest0-21swapper/222:33:342
2770099129,2cyclictest0-21swapper/221:50:172
2770099129,2cyclictest0-21swapper/221:33:182
2770099129,2cyclictest0-21swapper/219:25:152
2770099120,2cyclictest0-21swapper/223:05:282
2770099120,11cyclictest0-21swapper/223:40:252
2770099120,11cyclictest0-21swapper/223:25:262
2770099120,11cyclictest0-21swapper/219:18:282
2769999120,11cyclictest0-21swapper/122:10:461
2769899129,2cyclictest0-21swapper/022:33:390
2769899129,2cyclictest0-21swapper/022:33:390
2769899129,2cyclictest0-21swapper/022:11:310
2769899129,2cyclictest0-21swapper/021:34:070
2769899129,2cyclictest0-21swapper/020:46:040
2769899129,2cyclictest0-21swapper/019:50:130
2769899120,2cyclictest0-21swapper/023:30:020
2769899120,2cyclictest0-21swapper/021:45:420
2769899120,2cyclictest0-21swapper/021:41:030
2769899120,2cyclictest0-21swapper/020:40:130
2769899120,2cyclictest0-21swapper/020:31:050
2769899120,2cyclictest0-21swapper/020:16:010
2769899120,11cyclictest0-21swapper/023:50:310
2769899120,11cyclictest0-21swapper/022:43:360
2769899120,11cyclictest0-21swapper/019:35:140
2769899120,10cyclictest0-21swapper/022:45:270
2770199118,2cyclictest11573-21diskmemload22:41:333
2770199110,10cyclictest0-21swapper/321:27:293
2770099118,2cyclictest3327-21apt-get20:50:042
2770099118,2cyclictest0-21swapper/223:24:592
2770099118,2cyclictest0-21swapper/222:52:372
2770099118,2cyclictest0-21swapper/222:17:172
2770099118,2cyclictest0-21swapper/219:30:192
2770099118,2cyclictest0-21swapper/219:30:192
2770099118,2cyclictest0-21swapper/200:00:092
2769899116,3cyclictest31904-21cat20:40:000
2770199107,2cyclictest0-21swapper/320:00:393
2770199100,9cyclictest0-21swapper/321:00:093
2770199100,9cyclictest0-21swapper/320:39:283
2770099107,2cyclictest0-21swapper/220:55:152
2770099107,2cyclictest0-21swapper/220:30:182
2769899107,2cyclictest0-21swapper/020:11:030
2769899107,2cyclictest0-21swapper/019:45:120
2769899105,3cyclictest26344-21fschecks_count20:25:140
200522100,2sleep20-21swapper/220:10:152
277019996,2cyclictest21833-21kworker/u8:019:40:043
277019995,2cyclictest2439-21proc_pri20:45:173
277019990,6cyclictest0-21swapper/319:16:023
277019990,6cyclictest0-21swapper/319:10:023
277019990,2cyclictest0-21swapper/319:30:113
277019990,2cyclictest0-21swapper/319:30:113
277009996,2cyclictest3728-21runrttasks19:35:362
277009996,2cyclictest0-21swapper/220:03:472
277009995,2cyclictest31943-21munin-node2
277009995,2cyclictest30076-21telnet20:35:142
277009990,7cyclictest0-21swapper/219:40:112
276989994,3cyclictest4137-21fschecks_time20:50:150
276989994,3cyclictest18467-21if_eth020:05:170
276989992,6cyclictest0-21swapper/020:20:440
277019985,2cyclictest21833-21kworker/u8:019:35:043
277019980,7cyclictest0-21swapper/321:05:403
277009985,2cyclictest301ktimersoftd/221:00:092
277009984,2cyclictest11826-21aten2.4-expect19:50:122
277009983,3cyclictest28215-21expr19:10:132
277009983,3cyclictest24665-21wc20:20:172
277009980,2cyclictest0-21swapper/221:09:592
277009980,2cyclictest0-21swapper/219:56:022
276989983,3cyclictest1641-21aten2.4_r3power19:25:120
277009973,3cyclictest1957-21cut20:45:132
20242271,3sleep320423-21hddtemp_smartct20:10:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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