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2026-08-07 - 12:09
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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 100 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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