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2026-07-07 - 19:41
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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 all highest latencies:
System rack1slot8.osadl.org (updated Tue Jul 07, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
598199846802,28cyclictest0-21swapper/107:10:191
598099845770,38cyclictest6736-21memory07:10:190
58682677653,16sleep00-21swapper/007:09:130
598099562468,84cyclictest0-21swapper/008:05:010
5981994692,6cyclictest25822-21crond08:05:011
57752329309,14sleep10-21swapper/107:08:161
843221660,15sleep0598099cyclictest10:50:010
5980991254,30cyclictest0-21swapper/011:22:580
5980991185,106cyclictest0-21swapper/008:51:590
228699800,4rtkit-daemon2285-21rtkit-daemon07:45:190
31832750,4sleep03182-21ssh11:37:560
5980997222,42cyclictest21458-21ssh12:10:220
598199716,58cyclictest0-21swapper/110:29:051
598199716,58cyclictest0-21swapper/110:29:051
228699700,4rtkit-daemon2285-21rtkit-daemon12:00:540
228699700,4rtkit-daemon2285-21rtkit-daemon11:45:391
598199693,9cyclictest23158-21proc_pri07:55:221
598199683,9cyclictest8250irq/14-pata_sch09:00:011
598099685,44cyclictest0-21swapper/012:28:580
5980996831,31cyclictest19974-21munin-node09:15:140
598199674,8cyclictest22459-21aten_r1power_en11:15:121
598199673,56cyclictest20198-21sh09:15:151
5980996739,22cyclictest0-21swapper/011:10:290
598199665,51cyclictest1568-21runrttasks11:35:151
598199664,56cyclictest3480-21sh10:40:181
598199663,10cyclictest8250irq/14-pata_sch12:15:011
598199662,7cyclictest88750irq/45-eth0-rx-12:15:201
5980996622,15cyclictest18597-21munin-run07:45:010
598199655,54cyclictest0-21swapper/109:35:471
598199654,9cyclictest17353-21runrttasks10:06:331
598199653,9cyclictest3830-21unixbench_singl08:30:271
598199653,9cyclictest12258-21munin-node07:25:201
598199653,53cyclictest32260-21sendmail_mailqu08:20:251
598199653,53cyclictest17907-21munin-node09:10:211
598199653,52cyclictest4992-21munin-node09:45:151
598199653,52cyclictest14257-21munin-node09:00:211
598199653,51cyclictest5101-21munin-node08:35:181
598199653,51cyclictest29417-21munin-node09:30:241
598199653,19cyclictest12636-21munin-node11:55:141
598199652,7cyclictest23929-21latency_hist10:20:001
598199652,55cyclictest3134-21munin-node12:35:241
5980996541,19cyclictest0-21swapper/010:30:130
5980996532,27cyclictest0-21swapper/009:26:140
5980996528,9cyclictest576-21munin-run08:25:010
598199646,53cyclictest0-21swapper/110:47:591
598199646,51cyclictest0-21swapper/112:05:081
598199645,50cyclictest17399-21munin-node11:05:181
598199645,10cyclictest0-21swapper/107:21:471
598199644,7cyclictest0-21swapper/110:11:041
598199644,55cyclictest26443-21ssh12:20:151
598199644,54cyclictest4019-21munin-node11:40:121
598199644,53cyclictest15662-21ssh12:00:201
598199644,50cyclictest19281-21munin-node07:45:191
598199644,50cyclictest1794-21munin-node08:25:251
598199643,9cyclictest31012-21ssh12:27:581
598199643,54cyclictest26538-21munin-node09:25:251
598199643,53cyclictest9946-21gltestperf11:50:171
598199643,53cyclictest1568-21runrttasks11:32:361
598199643,52cyclictest6784-21munin-node08:40:171
598199643,50cyclictest8584-21munin-node07:15:201
598199642,7cyclictest88750irq/45-eth0-rx-10:24:451
5981996415,41cyclictest22902-21cpu09:20:141
5981996414,42cyclictest28284-21ssh11:25:151
5980996424,34cyclictest575-21vmstat12:30:280
228699640,4rtkit-daemon2285-21rtkit-daemon11:40:190
598199636,48cyclictest14116-21munin-node10:00:281
598199634,51cyclictest29711-21munin-node10:30:121
598199634,49cyclictest16997-21diskmemload10:35:181
598199634,11cyclictest31922-21munin-node12:30:131
598199633,50cyclictest29864-21munin-node08:15:121
598199633,50cyclictest2625-21munin-node09:40:211
598199632,52cyclictest9115-21munin-node08:45:261
5980996338,19cyclictest0-21swapper/010:06:500
5980996325,9cyclictest2057-21ssh10:37:510
5980996324,33cyclictest11655-21head10:55:170
228699630,3rtkit-daemon2285-21rtkit-daemon11:06:380
598199627,49cyclictest0-21swapper/110:55:181
598199624,9cyclictest17097-21munin-node07:40:131
598199624,8cyclictest26208-21munin-node11:20:271
598199623,9cyclictest8583-21munin-node10:50:111
598199623,9cyclictest21098-21ksmtuned07:50:161
598199623,9cyclictest15944-21munin-node09:05:181
598199623,8cyclictest29074-21runrttasks08:11:281
598199623,8cyclictest13824-21munin-node07:30:191
598199623,51cyclictest7785-21munin-node09:50:151
598199623,50cyclictest10509-21munin-node09:55:131
598199623,49cyclictest26498-21munin-node08:05:181
5980996240,17cyclictest0-21swapper/009:55:180
5980996239,17cyclictest0-21swapper/010:26:390
5980996239,17cyclictest0-21swapper/010:26:380
5980996238,17cyclictest0-21swapper/009:52:360
5980996229,27cyclictest0-21swapper/008:35:300
5980996226,9cyclictest16995-21idleruntime-cro09:10:010
5980996226,21cyclictest16997-21diskmemload09:36:530
5980996225,32cyclictest13222-21latency_hist07:30:010
598199618,45cyclictest19937-21df_abs11:10:151
598199613,9cyclictest15570-21munin-node07:35:161
5980996142,14cyclictest0-21swapper/010:10:370
5980996141,15cyclictest0-21swapper/009:20:120
5980996141,14cyclictest0-21swapper/008:40:130
5980996139,17cyclictest0-21swapper/010:40:270
5980996139,16cyclictest0-21swapper/009:12:490
5980996139,16cyclictest0-21swapper/008:05:240
5980996138,14cyclictest0-21swapper/012:17:540
5980996136,19cyclictest0-21swapper/007:59:220
5980996135,16cyclictest0-21swapper/009:45:250
5980996134,21cyclictest0-21swapper/010:55:020
5980996128,8cyclictest4350-21munin-run08:35:000
5980996127,9cyclictest727-21munin-node08:25:260
5980996127,9cyclictest26722-21munin-run10:25:010
5980996124,10cyclictest12150-21munin-run11:55:000
5980996122,33cyclictest13928-21mailstats10:00:260
5980996119,27cyclictest27960-21munin-node11:25:140
5980996118,34cyclictest0-21swapper/009:40:120
598199603,49cyclictest14485-21munin-node11:00:171
598199603,10cyclictest10231-21munin-node08:50:151
5980996040,15cyclictest0-21swapper/011:47:220
5980996040,15cyclictest0-21swapper/010:16:010
5980996029,25cyclictest29576-21munin-node08:15:140
5980996019,35cyclictest29418-21processes09:30:240
5980995937,16cyclictest0-21swapper/011:56:460
5980995926,27cyclictest16997-21diskmemload12:23:200
5980995925,29cyclictest25011-21munin-run11:20:000
5980995920,33cyclictest9515-21runrttasks08:47:340
5980995919,35cyclictest14245-21ntpdc09:00:210
5980995838,15cyclictest0-21swapper/011:30:290
5980995837,16cyclictest0-21swapper/012:35:590
5980995836,17cyclictest0-21swapper/012:05:110
5980995823,29cyclictest13365-21crond09:00:010
5980995737,15cyclictest0-21swapper/007:20:010
5980995617,33cyclictest0-21swapper/008:10:220
5980995524,25cyclictest10188-21idleruntime07:20:160
5980995516,33cyclictest0-21swapper/011:01:580
5980995439,9cyclictest20788-21df07:50:130
5980995324,23cyclictest13349-21munin-node07:30:280
5980995322,25cyclictest15140-21munin-node07:35:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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