You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-21 - 19:22

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 #5, slot #3

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 rack5slot3s.osadl.org (updated Sun Dec 21, 2025 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
162212237163,24sleep20-21swapper/207:06:132
162302203167,24sleep10-21swapper/107:06:201
163782202166,24sleep30-21swapper/307:08:153
162192201164,25sleep00-21swapper/007:06:110
352921530,3sleep31661099cyclictest11:30:253
352921530,3sleep31661099cyclictest11:30:253
166059910299,2cyclictest0-21swapper/208:53:322
16605999791,3cyclictest25156-21ntp_states07:25:232
16605998178,2cyclictest0-21swapper/210:34:102
103382620,1sleep00-21swapper/009:20:150
16262480,5sleep31628-21fschecks_time09:00:163
100852470,1sleep30-21swapper/308:05:183
1661099393,5cyclictest24261-40dnf08:37:313
1659299378,13cyclictest865-21munin-run09:00:010
1661099361,11cyclictest26899-21/usr/sbin/munin08:45:183
1661099361,10cyclictest30948-21/usr/sbin/munin12:35:273
1661099352,22cyclictest0-21swapper/311:38:573
16610993511,3cyclictest31914-21/usr/sbin/munin10:10:173
1661099344,7cyclictest29773-21kworker/u8:112:06:573
16610993411,3cyclictest16515-21/usr/sbin/munin09:35:243
1661099339,3cyclictest15752-21uname10:45:183
1661099331,12cyclictest0-21swapper/312:02:473
1661099331,10cyclictest17137-21/usr/sbin/munin10:50:143
1661099331,10cyclictest0-21swapper/311:05:013
1661099329,3cyclictest8345-21/usr/sbin/munin10:30:283
16610993210,3cyclictest20918-21/usr/sbin/munin09:45:183
1659299326,12cyclictest9106-21perf08:05:010
1661099319,3cyclictest835-21runrttasks09:15:533
1661099319,3cyclictest26551-21/usr/sbin/munin12:25:203
1661099316,5cyclictest5313-21munin-run09:10:013
1661099316,5cyclictest5313-21munin-run09:10:013
1661099314,3cyclictest86950irq/126-enp1s0-11:15:183
1661099313,7cyclictest27244-21kworker/u8:210:00:013
1661099313,5cyclictest10945-21awk11:50:013
1661099311,6cyclictest87050irq/127-enp1s0-07:45:353
16610993111,3cyclictest11473-21expr11:50:133
16610993110,3cyclictest25118-21fschecks_count08:40:153
16610993110,3cyclictest21665-21pluginstate07:20:013
16600993115,13cyclictest26565-21systemd-journal09:55:261
16592993110,11cyclictest3439-21basename07:50:170
1661099309,2cyclictest835-21runrttasks07:41:503
1661099309,2cyclictest3950-21/usr/sbin/munin10:20:233
1661099308,3cyclictest14264-21load11:55:203
1661099307,4cyclictest12592-21fschecks_time09:25:153
1661099306,5cyclictest0-21swapper/308:10:143
1661099301,9cyclictest13691-21sort10:40:193
1661099301,9cyclictest0-21swapper/309:20:123
16610993014,13cyclictest19643-21grep09:40:193
1661099301,12cyclictest13711-21/usr/sbin/munin08:15:173
16610993010,3cyclictest32528-21/usr/sbin/munin11:25:153
16610993010,3cyclictest10810-21expr10:35:123
16610993010,2cyclictest23124-21expr07:20:223
1661099299,3cyclictest30348-21sendmail_mailtr08:50:243
1661099299,3cyclictest21017-21cat08:30:173
1661099299,3cyclictest18653-21cut08:25:133
1661099298,3cyclictest30866-21pmu-power10:05:253
1661099297,10cyclictest87250irq/129-enp1s0-08:04:393
1661099296,12cyclictest0-21swapper/311:06:463
1661099291,5cyclictest4915-21/usr/sbin/munin07:55:193
1661099291,5cyclictest4915-21/usr/sbin/munin07:55:193
1661099291,3cyclictest86950irq/126-enp1s0-09:10:163
1661099291,19cyclictest0-21swapper/307:37:533
16610992910,3cyclictest26522-21expr07:30:143
16610992910,2cyclictest835-21runrttasks10:02:483
1661099290,7cyclictest0-21swapper/310:27:293
1661099289,3cyclictest31455-21cstates08:55:133
1661099288,3cyclictest16401-21tune2fs08:20:163
1661099282,12cyclictest19331-21/usr/sbin/munin10:55:193
1661099281,9cyclictest30999-21hddtemp_smartct11:20:163
1661099281,12cyclictest25932-21/usr/sbin/munin11:10:173
1661099281,10cyclictest0-21swapper/312:30:133
16610992810,3cyclictest20194-21expr12:10:123
1660099288,11cyclictest0-21swapper/110:25:141
99312270,4sleep11660099cyclictest09:20:121
1661099279,3cyclictest3015-21expr07:50:133
1661099274,6cyclictest0-21swapper/309:50:133
1661099273,6cyclictest25414-21ntp_states12:20:213
16610992711,3cyclictest7092-21expr11:40:133
16610992711,3cyclictest14319-21/usr/sbin/munin09:30:173
1661099271,12cyclictest0-21swapper/312:19:573
16592992710,15cyclictest31701-21awk10:10:010
1661099262,12cyclictest17152-21diskstats07:10:153
1661099261,11cyclictest25130-21ntp_kernel_pll_07:25:213
1661099250,4cyclictest0-21swapper/310:18:483
1660099250,8cyclictest0-21swapper/110:38:301
1659299257,16cyclictest28868-21munin-run08:50:000
1660099244,9cyclictest0-21swapper/110:30:131
1660099241,14cyclictest87150irq/128-enp1s0-11:30:241
1660099241,14cyclictest87150irq/128-enp1s0-11:30:241
1659299242,6cyclictest26378-21ntp_states09:55:240
320002231,3sleep232101-21irqstats08:55:182
1660599231,6cyclictest0-21swapper/211:12:522
1660099237,9cyclictest23-21ksoftirqd/109:35:221
1660099231,4cyclictest2144-21munin-run11:30:011
1660099231,2cyclictest22278-21perf08:35:011
1660099231,15cyclictest0-21swapper/107:57:291
1660099231,15cyclictest0-21swapper/107:57:291
16600992310,10cyclictest28465-21systemd-journal07:35:021
142702231,3sleep214380-21nfs4_client11:55:212
1660099221,13cyclictest0-21swapper/111:35:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional