You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-29 - 05:54

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #c, slot #7

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 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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 100 highest latencies:
System rackcslot7s.osadl.org (updated Wed Apr 29, 2026 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
244909222800,9sleep20-21swapper/219:05:162
244946222230,22sleep10-21swapper/119:05:231
245703421130,4sleep1899-21polkitd19:15:041
245703421130,4sleep1899-21polkitd19:15:031
253642621070,2sleep00-21swapper/022:35:150
244907921070,5sleep00-21swapper/019:05:140
247214921020,3sleep00-21swapper/019:35:150
1390991020,87rtkit-daemon0-21swapper/319:06:033
24638522670,4sleep23056-21PK-Backend19:16:092
24638522670,4sleep23056-21PK-Backend19:16:082
25222862450,2sleep00-21swapper/021:55:220
25415492410,3sleep30-21swapper/322:50:143
2450341993925,4cyclictest34-21ksoftirqd/219:51:242
25553312350,3sleep32555330-21cron23:30:003
24673342320,3sleep00-21swapper/019:20:190
2450341993026,3cyclictest34-21ksoftirqd/219:14:022
2450337992923,4cyclictest26-21ksoftirqd/119:15:001
2450341992824,3cyclictest331rcuc/220:05:252
2450337992812,14cyclictest2478536-21unin-run19:55:001
24759132260,3sleep30-21swapper/319:45:163
245034399268,16cyclictest922-21systemd-logind19:15:073
245034399268,16cyclictest922-21systemd-logind19:15:073
245034199264,6cyclictest34-21ksoftirqd/223:50:132
25553182250,3sleep20-21swapper/223:29:552
2450337992519,4cyclictest436-20systemd-journal23:39:551
245033299250,10cyclictest2469767-21perf19:34:550
25334692240,3sleep10-21swapper/122:25:221
2450343992411,11cyclictest886-21NetworkManager19:14:093
245033799240,22cyclictest2473716-21cstates19:40:131
2450332992419,3cyclictest2579879-21cron00:40:000
2450332992416,6cyclictest883-21dbus-daemon19:16:090
2450332992416,6cyclictest883-21dbus-daemon19:16:090
139099240,21rtkit-daemon1997-21gvfs-afc-volume21:17:450
245034399238,13cyclictest2482684-21systemd20:05:133
2450343992314,7cyclictest2558081-21ntp_states23:35:193
2450343992314,6cyclictest1095-21runrttasks22:25:123
2450341992321,1cyclictest0-21swapper/221:03:022
2450341992321,1cyclictest0-21swapper/219:22:572
245034199230,7cyclictest2501591-21sshd20:58:512
245034199230,21cyclictest2510686-21apt21:25:132
2450337992317,4cyclictest899-21polkitd20:05:141
245033799230,21cyclictest3056-21PK-Backend00:11:331
139099230,16rtkit-daemon3056-21PK-Backend22:40:093
245034399225,14cyclictest2488191-21wc20:20:183
2450343992220,1cyclictest0-21swapper/323:21:203
2450343992220,1cyclictest0-21swapper/322:23:473
2450343992217,4cyclictest2511003-21cstates21:25:143
2450343992216,4cyclictest2500943-21ntp_kernel_err20:55:193
245034399220,20cyclictest0-21swapper/319:40:303
2450341992220,1cyclictest0-21swapper/220:43:282
2450341992220,1cyclictest0-21swapper/220:29:092
2450341992220,1cyclictest0-21swapper/220:04:142
2450341992219,2cyclictest331rcuc/220:17:262
2450341992219,2cyclictest331rcuc/220:17:262
2450341992218,3cyclictest331rcuc/223:34:512
2450341992218,3cyclictest331rcuc/223:22:442
245034199221,7cyclictest34-21ksoftirqd/221:05:162
2450341992215,5cyclictest34-21ksoftirqd/222:50:132
2450337992220,1cyclictest3056-21PK-Backend21:37:141
2450337992220,1cyclictest3056-21PK-Backend19:48:461
2450337992219,2cyclictest3056-21PK-Backend23:02:041
245033299220,21cyclictest0-21swapper/021:30:530
139099220,16rtkit-daemon0-21swapper/221:36:002
139099220,15rtkit-daemon3056-21PK-Backend23:45:443
139099220,14rtkit-daemon3056-21PK-Backend22:37:073
24891342210,5sleep13056-21PK-Backend20:25:001
245034399219,11cyclictest2567992-21/usr/sbin/munin00:05:203
245034399219,11cyclictest2567992-21/usr/sbin/munin00:05:203
2450343992119,1cyclictest3056-21PK-Backend20:00:033
2450343992119,1cyclictest0-21swapper/323:08:493
2450343992119,1cyclictest0-21swapper/322:57:003
2450343992119,1cyclictest0-21swapper/321:44:403
2450343992119,1cyclictest0-21swapper/320:52:013
2450343992119,1cyclictest0-21swapper/320:45:403
2450343992119,1cyclictest0-21swapper/320:43:433
2450343992119,1cyclictest0-21swapper/300:27:043
2450343992119,1cyclictest0-21swapper/300:13:113
2450343992118,2cyclictest3056-21PK-Backend00:22:103
245034399210,20cyclictest0-21swapper/320:37:083
245034399210,20cyclictest0-21swapper/320:14:163
245034399210,20cyclictest0-21swapper/300:34:483
245034399210,19cyclictest3056-21PK-Backend22:30:233
245034399210,19cyclictest0-21swapper/300:15:143
245034199214,10cyclictest34-21ksoftirqd/221:30:122
2450341992119,1cyclictest0-21swapper/223:38:222
2450341992119,1cyclictest0-21swapper/222:41:372
2450341992119,1cyclictest0-21swapper/222:21:502
2450341992119,1cyclictest0-21swapper/220:14:352
2450341992119,1cyclictest0-21swapper/219:27:442
2450341992118,2cyclictest331rcuc/220:36:472
2450341992117,3cyclictest331rcuc/223:04:482
2450341992117,3cyclictest331rcuc/222:56:382
2450341992117,3cyclictest331rcuc/222:49:122
2450341992117,3cyclictest331rcuc/221:22:382
2450341992117,3cyclictest331rcuc/221:10:032
2450341992117,3cyclictest331rcuc/219:59:172
2450341992113,6cyclictest2517248-21sshd21:43:512
2450341992111,2cyclictest141rcu_preempt22:33:542
245034199210,20cyclictest0-21swapper/223:19:222
245034199210,20cyclictest0-21swapper/200:24:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional