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2026-08-07 - 13:51
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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 all highest latencies:
System rack7slot2.osadl.org (updated Fri Aug 07, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2955168998270,9cyclictest2957767-21kworker/u4:8+events_unbound19:37:170
2955168998231,38cyclictest0-21swapper/021:10:210
2955168997826,41cyclictest3116148-21cut23:35:150
2955168997826,37cyclictest0-21swapper/022:10:280
2955168997529,41cyclictest0-21swapper/000:32:150
2955168997524,26cyclictest0-21swapper/023:50:180
2955168997425,30cyclictest0-21swapper/000:20:010
2955169997125,43cyclictest0-21swapper/122:20:151
2955169997040,23cyclictest2970847-21latency_hist20:10:021
2955168997018,29cyclictest0-21swapper/000:10:170
2955169996964,3cyclictest3073973-21kworker/u4:1+events_unbound22:47:381
2955169996836,29cyclictest0-21swapper/121:25:311
2955169996836,29cyclictest0-21swapper/121:25:311
2955169996835,30cyclictest0-21swapper/123:50:421
2955168996837,28cyclictest3134475-21/usr/sbin/munin23:55:280
295516999676,6cyclictest3058490-21ssh22:30:121
2955168996757,8cyclictest3127312-21kworker/u4:5+events_unbound23:47:500
2955168996734,31cyclictest3080422-21latency_hist22:55:010
2955168996730,35cyclictest3031300-21ssh22:00:010
2955169996638,24cyclictest0-21swapper/123:25:281
2955169996637,27cyclictest3138889-21gcc00:00:281
2955169996633,30cyclictest3027243-21aten_r7power_vo21:55:181
295516899664,17cyclictest2970217-21ntpq20:05:350
2955169996560,3cyclictest2983483-21kworker/u4:7+events_unbound21:12:271
2955169996532,31cyclictest3054436-21fschecks_time22:25:211
2955169996532,31cyclictest3023214-21diskmemload21:50:251
2955169996532,29cyclictest3127667-21sshd23:47:501
295516999653,21cyclictest3014378-21ssh21:40:331
2955168996537,26cyclictest3002286-21kworker/u4:5-rpciod21:30:360
2955168996533,28cyclictest0-21swapper/023:30:330
2955168996532,30cyclictest3042999-21kworker/u4:8-rpciod22:15:350
295516999643,21cyclictest3116720-21ssh23:35:241
295516999642,17cyclictest3155845-21apt-get00:20:131
295516999642,17cyclictest3155845-21apt-get00:20:131
295516999642,10cyclictest3102887-21basename23:20:171
295516999642,10cyclictest3102887-21basename23:20:161
2955168996456,6cyclictest2978372-21kworker/u4:15+events_unbound20:47:240
2955168996435,26cyclictest2986095-21diskmemload00:09:270
2955168996432,29cyclictest2973249-21kworker/u4:3-rpciod20:40:360
2955168996430,32cyclictest3049668-21aten_r7power_cu22:20:160
2955168996420,23cyclictest25650irq/23-42890000.ethernet00:00:340
2955169996350,8cyclictest3111674-21wget23:30:151
295516999634,13cyclictest3120515-21apt-get23:40:161
2955169996332,28cyclictest3099562-21timerandwakeup23:15:421
2955169996332,28cyclictest0-21swapper/122:55:301
295516999631,20cyclictest3133763-21apt-get23:55:131
295516899634,53cyclictest2971499-21ntpq20:10:400
2955168996333,27cyclictest3035857-21latency_hist22:05:010
295516999624,50cyclictest3068212-21ssh22:40:351
295516999624,48cyclictest3005312-21ntpq21:30:321
2955169996232,28cyclictest3094634-21diskmemload23:10:251
295516999622,21cyclictest3160289-21ssh00:25:161
2955168996232,28cyclictest2957827-21awk19:20:000
2955168996220,24cyclictest0-21swapper/020:00:000
295516899621,5cyclictest2963687-21memory19:40:230
295516899621,5cyclictest2963687-21memory19:40:230
295516999617,51cyclictest0-21swapper/100:05:131
295516999613,9cyclictest3031583-21ssh22:00:111
2955169996137,21cyclictest0-21swapper/121:15:381
2955169996136,22cyclictest0-21swapper/100:15:301
2955168996153,5cyclictest2995765-21cpu21:20:220
2955168996153,5cyclictest2995765-21cpu21:20:210
2955168996132,26cyclictest0-21swapper/023:05:190
2955168996131,28cyclictest3095213-21unixbench_multi23:10:400
2955168996130,29cyclictest3169245-21aten_r7power_en00:35:230
2955168996130,28cyclictest2981426-21fschecks_count20:50:170
2955168996129,29cyclictest3072087-21sed22:45:190
2955168996127,29cyclictest0-21swapper/021:00:020
295516999603,8cyclictest3040633-21apt-get22:10:151
2955169996033,23cyclictest0-21swapper/100:15:011
295516999602,23cyclictest3018977-21ssh21:45:371
295516999602,10cyclictest3085932-21ntpq23:00:311
2955169996015,23cyclictest2986095-21diskmemload22:50:171
2955169996010,39cyclictest2978396-21modprobe20:40:001
2955168996036,21cyclictest3144618-21kworker/u4:12-rpciod00:25:300
2955168996032,26cyclictest2960851-21fschecks_time19:30:190
2955168996032,26cyclictest2960851-21fschecks_time19:30:190
2955168996018,38cyclictest0-21swapper/022:30:270
2955169995936,20cyclictest3037259-21timerandwakeup22:05:381
2955169995934,22cyclictest0-21swapper/121:20:221
2955169995934,22cyclictest0-21swapper/121:20:211
295516999592,20cyclictest3169032-21ssh00:35:031
295516999591,15cyclictest3009011-21apt-get21:35:121
2955168995936,17cyclictest53-21kswapd022:40:080
2955168995930,27cyclictest3131141-21kworker/u4:9-rpciod00:20:220
2955168995930,27cyclictest3131141-21kworker/u4:9-rpciod00:20:210
295516899592,14cyclictest2959885-21ntpq19:25:310
2955169995830,26cyclictest2985765-21mailstats21:05:421
2955169995826,28cyclictest1-21systemd19:57:191
2955169995823,32cyclictest3033804-21kworker/u4:1+rpciod22:15:221
295516999582,14cyclictest3165655-21ssh00:30:401
295516899584,50cyclictest3120913-21ssh23:40:210
295516899584,49cyclictest3103681-21ntpq23:20:400
295516899584,49cyclictest3103681-21ntpq23:20:400
2955168995830,25cyclictest0-21swapper/022:05:190
2955168995829,27cyclictest3022335-21latency_hist21:50:020
2955168995816,35cyclictest3026082-21ssh21:53:580
2955169995727,28cyclictest0-21swapper/119:15:481
2955169995714,39cyclictest3090573-21cut23:05:381
295516899575,47cyclictest3014478-21ssh21:40:380
2955168995727,27cyclictest3062943-21aten2__22:35:150
2955168995727,27cyclictest0-21swapper/019:50:160
295516899572,49cyclictest3080636-21apt-get22:55:150
295516899572,16cyclictest3054047-21apt-get22:25:130
295516899572,11cyclictest3000778-21ntpq21:25:320
295516899572,11cyclictest3000778-21ntpq21:25:320
2955168995711,43cyclictest1073-21snmpd23:29:230
295516999569,44cyclictest2957745-21kworker/u4:5-xprtiod19:35:011
295516999569,44cyclictest2957745-21kworker/u4:5-xprtiod19:35:001
2955169995626,27cyclictest0-21swapper/120:45:231
295516999562,44cyclictest2970910-21apt-get20:10:141
295516999561,15cyclictest2978744-21cpu20:40:141
295516899562,8cyclictest2977302-21apt-get20:35:160
2955168995627,27cyclictest3098983-21/usr/sbin/munin23:15:240
2955168995627,26cyclictest0-21swapper/020:30:190
2955168995627,26cyclictest0-21swapper/020:30:190
295516899562,14cyclictest3010016-21ps21:35:380
295516899562,11cyclictest2984350-21ntpq21:00:320
295516999553,8cyclictest2956013-21ps19:10:351
2955169995531,22cyclictest0-21swapper/122:35:181
2955169995516,36cyclictest2982217-21sshd20:52:251
295516999551,19cyclictest2974513-21unixbench_singl20:20:391
295516899553,47cyclictest2972808-21ntpq20:15:300
295516899552,17cyclictest2985637-21ntpq21:05:380
295516899551,4cyclictest2968756-21irqstats20:00:240
295516899551,12cyclictest2974075-21ntpq20:20:280
2955169995426,25cyclictest0-21swapper/119:20:411
2955169995421,29cyclictest0-21swapper/119:45:151
295516899544,46cyclictest2955895-21ntpq19:10:260
295516899542,7cyclictest3085108-21apt-get23:00:120
2955168995422,30cyclictest25650irq/23-42890000.ethernet21:15:120
295516899541,17cyclictest2958624-21ntpq19:20:340
295516999535,40cyclictest2960348-21modprobe19:30:011
295516999534,11cyclictest2976663-21grep20:30:301
295516999534,11cyclictest2976663-21grep20:30:291
295516999533,8cyclictest2975982-21latency_hist20:30:021
295516999532,8cyclictest2962580-21ps19:35:411
295516999532,14cyclictest2972876-21ps20:15:341
2955168995323,27cyclictest25650irq/23-42890000.ethernet20:25:180
295516899531,12cyclictest2965006-21ntpq19:45:240
2955169995222,26cyclictest0-21swapper/120:00:181
2955169995214,35cyclictest2964214-21grep19:40:391
2955169995214,35cyclictest2964214-21grep19:40:381
295516999513,15cyclictest2983609-21latency_hist21:00:011
295516999502,9cyclictest2983693-21/usr/sbin/munin21:00:201
2955169995019,28cyclictest0-21swapper/119:50:191
295516999452,6cyclictest2955145-21munin-run19:10:001
295516899441,7cyclictest2955171-21latency_hist19:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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