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2026-03-10 - 16:00
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 792 highest latencies:
System rack7slot2.osadl.org (updated Tue Mar 10, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31218649910598,5cyclictest3168679-21kworker/u4:9+events_unbound09:28:590
3121864998332,41cyclictest3269490-21sh11:20:210
3121864998029,38cyclictest0-21swapper/009:50:330
3121865997931,45cyclictest0-21swapper/109:50:361
3121864997868,7cyclictest3168679-21kworker/u4:9+events_unbound09:39:000
3121864997835,34cyclictest3152731-21kworker/u4:18-rpciod09:15:130
312186599765,16cyclictest3198770-21ssh10:00:251
3121865997532,40cyclictest0-21swapper/109:10:281
3121865997441,30cyclictest3300792-21/usr/sbin/munin11:55:361
3121865997441,30cyclictest3300792-21/usr/sbin/munin11:55:361
3121864997228,27cyclictest0-21swapper/011:15:300
312186499722,45cyclictest3312603-21apt-get12:10:110
312186499721,46cyclictest3261059-21gcc11:10:240
3121865997164,5cyclictest3258210-21kworker/u4:9+events_unbound11:09:201
312186599715,13cyclictest3194424-21ntp_states09:55:311
3121865997032,34cyclictest3216069-21aten_r7power_cu10:20:141
3121865997032,34cyclictest3216069-21aten_r7power_cu10:20:131
3121865996959,6cyclictest0-21swapper/112:30:121
312186599694,24cyclictest3296038-21perl11:50:261
312186599694,21cyclictest3269850-21ntpq11:20:251
3121865996932,35cyclictest3265746-21mailstats11:15:361
3121865996928,38cyclictest3123777-21kernelversion07:15:231
3121864996935,31cyclictest3129753-21aten_r7power_en07:40:150
3121865996814,11cyclictest3321338-21/usr/sbin/munin12:20:371
312186499683,43cyclictest3221302-21ntpq10:25:310
3121865996732,32cyclictest3220673-21ssh10:25:171
3121865996732,32cyclictest0-21swapper/110:15:331
3121865996730,33cyclictest3122372-21gltestperf07:10:191
312186499674,47cyclictest3202601-21apt-get10:05:120
312186499673,58cyclictest3121861-21cyclictest07:10:010
3121864996732,33cyclictest3166339-21rm09:25:000
3121864996723,27cyclictest0-21swapper/009:45:150
312186499671,43cyclictest3144503-21ntpq08:35:280
312186599666,12cyclictest3286699-21/usr/sbin/munin11:40:371
312186599665,20cyclictest3233874-21/usr/sbin/munin10:40:181
3121865996633,31cyclictest3280467-21kworker/u4:8-rpciod11:35:181
3121865996631,33cyclictest3238787-21fschecks_count10:45:251
3121865996629,34cyclictest0-21swapper/112:25:231
3121865996629,34cyclictest0-21swapper/112:25:221
3121865996628,3cyclictest3184775-21grep09:45:151
3121865996627,9cyclictest3310010-21kworker/u4:12-rpciod12:15:291
3121865996627,4cyclictest0-21swapper/112:10:321
3121864996632,32cyclictest3335599-21timerandwakeup12:35:380
312186599653,28cyclictest3247237-21sh10:55:161
312186599653,28cyclictest3247237-21sh10:55:151
312186599653,18cyclictest3230167-21ntpq10:35:281
3121865996531,31cyclictest0-21swapper/110:10:271
3121865996530,32cyclictest0-21swapper/110:50:181
3121865996528,34cyclictest0-21swapper/110:05:131
3121864996537,22cyclictest3321468-21aten_r7power_en12:20:150
3121864996531,26cyclictest3119352-21kworker/u4:1+rpciod08:25:210
312186499652,43cyclictest3211239-21diskmemload10:15:010
312186499651,39cyclictest3152948-21ssh09:10:030
3121865996456,6cyclictest3306593-21kworker/u4:6+events_unbound12:04:261
3121865996430,32cyclictest3180779-21netstat09:40:231
3121865996430,31cyclictest0-21swapper/112:35:311
3121865996423,9cyclictest0-21swapper/107:50:371
3121865996421,9cyclictest0-21swapper/107:30:391
3121864996455,6cyclictest3231900-21kworker/u4:8+events_unbound10:44:160
312186499644,53cyclictest3149090-21apt-get08:55:130
312186499644,15cyclictest3137265-21apt-get08:10:090
3121864996433,28cyclictest3212625-21diskmemload10:15:370
312186499642,38cyclictest3280647-21ssh11:32:520
3121864996419,27cyclictest0-21swapper/011:25:160
3121864996417,27cyclictest0-21swapper/009:00:370
3121865996330,30cyclictest0-21swapper/109:20:391
3121865996328,4cyclictest0-21swapper/109:35:371
3121865996327,6cyclictest0-21swapper/111:10:201
3121865996327,10cyclictest3136369-21grep08:05:201
3121865996325,6cyclictest0-21swapper/107:50:021
3121865996323,8cyclictest0-21swapper/108:05:011
3121864996340,21cyclictest3296190-21kernelversion11:50:290
312186499632,57cyclictest3143286-21ntpq08:30:330
312186499631,38cyclictest3147814-21modprobe08:50:110
3121865996228,4cyclictest0-21swapper/111:30:291
3121865996224,5cyclictest0-21swapper/109:25:331
312186499623,55cyclictest3326527-21ntpq12:25:310
312186499623,55cyclictest3326527-21ntpq12:25:300
3121864996233,26cyclictest3181120-21processes09:40:380
312186499622,56cyclictest3152322-21ntpq09:05:330
312186499621,26cyclictest3123281-21apt-get07:15:130
3121865996128,30cyclictest3291554-21tune2fs11:45:201
3121865996126,30cyclictest3104081-21kworker/u4:6-rpciod07:35:411
3121865996124,7cyclictest0-21swapper/107:25:371
312186499613,52cyclictest3145194-21apt-get08:40:100
3121864996129,29cyclictest3305238-21mailstats12:00:370
312186499612,53cyclictest3128978-21ntpq07:35:280
312186499611,37cyclictest3136787-21ntpq08:05:320
3121865996032,25cyclictest3137231-21kworker/u4:12-rpciod08:10:401
3121865996028,28cyclictest0-21swapper/108:30:171
3121865996027,6cyclictest3308740-21aten_r7power_po12:05:171
3121865996023,6cyclictest0-21swapper/109:15:151
3121864996043,14cyclictest0-21swapper/010:45:150
3121864996029,29cyclictest3301218-21vmstat11:55:400
3121864996029,29cyclictest3301218-21vmstat11:55:390
312186499602,55cyclictest3229403-21apt-get10:35:110
3121864996019,38cyclictest0-21swapper/010:20:260
3121864996019,38cyclictest0-21swapper/010:20:250
312186499601,55cyclictest3147036-21ntpq08:45:280
312186499601,55cyclictest3147036-21ntpq08:45:270
3121865995927,4cyclictest0-21swapper/110:31:321
3121864995932,25cyclictest3280467-21kworker/u4:8-rpciod11:35:370
3121864995929,27cyclictest0-21swapper/007:50:370
3121865995828,27cyclictest0-21swapper/108:50:241
3121865995822,6cyclictest0-21swapper/111:00:381
312186499584,50cyclictest3171113-21apt-get09:30:110
312186499583,47cyclictest3125855-21apt-get07:25:130
3121864995830,26cyclictest3249267-21kworker/u4:1-rpciod11:00:310
3121864995830,24cyclictest3126927-21kworker/u4:12+rpciod07:35:020
3121864995828,27cyclictest0-21swapper/011:45:020
3121864995816,22cyclictest25550irq/23-42890000.ethernet10:55:150
3121864995816,22cyclictest25550irq/23-42890000.ethernet10:55:140
312186499581,50cyclictest3133502-21apt-get07:55:120
3121865995724,6cyclictest3134616-21sendmail08:00:001
3121864995727,27cyclictest0-21swapper/009:55:160
312186499572,34cyclictest3243448-21ssh10:50:220
312186499571,34cyclictest3135426-21ntpq08:00:320
3121865995643,9cyclictest3149788-21ps08:55:391
3121865995627,5cyclictest0-21swapper/109:10:011
312186499563,50cyclictest3125217-21ntpq07:20:280
312186499563,49cyclictest3330083-21apt-get12:30:120
312186499563,47cyclictest3138786-21apt-get08:15:120
3121864995630,23cyclictest3186974-21kworker/u4:9+rpciod10:00:260
3121864995625,28cyclictest3226182-21diskmemload10:30:380
3121864995625,28cyclictest0-21swapper/012:15:340
312186499561,52cyclictest3131535-21ntpq07:45:270
3121864995525,27cyclictest3306593-21kworker/u4:6+rpciod12:05:220
312186499552,50cyclictest3140680-21ntpq08:20:270
312186499552,48cyclictest3122642-21ntpq07:10:300
3121865995342,7cyclictest3144769-21timerandwakeup08:35:381
312186499531,48cyclictest3291161-21apt-get11:45:150
312186499512,46cyclictest3256354-21/usr/sbin/munin11:05:200
3121865994839,7cyclictest388-21dbus-daemon09:33:591
3121865994837,8cyclictest3130769-21systemd07:43:411
3121865994535,8cyclictest3124900-21fschecks_time07:20:181
3121865994531,8cyclictest0-21swapper/108:25:301
3121865994431,8cyclictest0-21swapper/111:25:231
3121865994429,11cyclictest0-21swapper/109:00:191
3121865994333,7cyclictest0-21swapper/108:45:221
3121865994333,7cyclictest0-21swapper/108:45:211
3121865994131,7cyclictest3139999-21latency_hist08:20:011
3121865994029,8cyclictest0-21swapper/108:20:231
3121865993926,9cyclictest3145693-21kernelversion08:40:201
3121865993825,9cyclictest3121872-21wc07:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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