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2026-03-11 - 08:42
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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 highest latencies:
System rack7slot2.osadl.org (updated Wed Mar 11, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8433998172,7cyclictest194111-21kworker/u4:5+events_unbound23:56:370
8434997944,32cyclictest182071-21kworker/u4:1623:40:011
843499757,19cyclictest206901-21ssh00:05:351
8434997532,8cyclictest0-21swapper/122:00:241
843499736,26cyclictest154926-21ntpq23:10:331
8433997366,5cyclictest1086-21kworker/u4:4+events_unbound19:10:410
8434997239,5cyclictest121543-21gltestperf22:35:201
8434997136,5cyclictest130954-21gltestperf22:45:211
843499692,24cyclictest39177-21diskmemload00:15:281
843499674,47cyclictest112281-21ssh22:25:251
8433996658,6cyclictest156415-21kworker/u4:8+events_unbound23:16:320
8434996345,8cyclictest1241-21kworker/u4:7+events_unbound19:50:501
8433996254,6cyclictest88883-21ntp_states22:00:420
8433996051,6cyclictest168391-21aten_r7power_po23:25:160
8434995949,8cyclictest0-21swapper/123:15:401
8433995952,5cyclictest166044-21kworker/u4:13+events_unbound23:51:350
8433995851,5cyclictest26365-21kworker/u4:12+events_unbound21:11:090
8434995750,5cyclictest35307-21kworker/u4:8+events_unbound21:16:101
8433995636,17cyclictest177967-21ssh23:35:190
843399555,21cyclictest30231-21munin-run20:35:010
8433995543,9cyclictest26774-21df20:20:160
843499546,39cyclictest140833-21ssh22:55:391
8433995428,24cyclictest48878-21sendmail21:20:010
8433995345,6cyclictest226059-21/usr/sbin/munin00:25:380
8433995345,6cyclictest211348-21/usr/sbin/munin00:10:220
8433995345,6cyclictest211348-21/usr/sbin/munin00:10:210
8433995343,8cyclictest206186-21/usr/sbin/munin00:05:200
843399534,19cyclictest177349-21modprobe23:35:010
8433995334,7cyclictest145908-21tail23:00:390
8433995332,19cyclictest34490-21fschecks_count20:50:190
8434995245,5cyclictest201707-21fschecks_time00:00:211
8434995243,6cyclictest7158-21kworker/u4:1+events_unbound19:15:401
8433995243,5cyclictest25650irq/23-42890000.ethernet20:40:000
8433995241,8cyclictest54487-21grep21:25:200
8433995239,8cyclictest0-21swapper/022:10:330
8433995227,20cyclictest0-21swapper/019:44:590
843499514,27cyclictest78941-21ssh21:50:251
8433995144,5cyclictest103224-21xargs22:15:390
8433995143,5cyclictest8429-21cyclictest23:20:340
8433995143,5cyclictest21255-21cron20:00:010
8433995141,7cyclictest0-21swapper/021:40:330
843399514,16cyclictest220494-21diskstats00:20:190
8433995139,9cyclictest84208-21switchtime21:55:380
8433995136,11cyclictest122258-21sed22:35:370
8434995043,5cyclictest87617-21kworker/u4:822:00:001
8434995043,5cyclictest26015-21sendmail_mailqu20:15:361
8434995043,5cyclictest107386-21/usr/sbin/munin22:20:211
8434995041,5cyclictest14811-21munin-plugin-st19:35:001
8434995039,8cyclictest125861-21aten_r7power_en22:40:141
8433995044,3cyclictest0-21swapper/021:35:180
8433995041,7cyclictest144334-21sendmail23:00:010
8433995029,11cyclictest0-21swapper/021:05:010
8434994942,5cyclictest77954-21diskmemload21:50:001
8434994942,5cyclictest40759-21switchtime21:10:511
8434994942,5cyclictest117018-21ld22:30:261
8434994941,6cyclictest13496-21systemd19:25:431
8434994941,5cyclictest0-21swapper/123:05:141
8434994940,7cyclictest378-21dbus-daemon19:35:451
8434994940,6cyclictest19914-21apt-get19:55:161
8434994939,6cyclictest0-21swapper/122:20:001
8434994938,8cyclictest196871-21fschecks_count23:55:191
843399498,25cyclictest0-21swapper/019:10:000
8433994942,5cyclictest137898-21kworker/u4:5+events_unbound22:55:000
8433994942,5cyclictest12289-21latency_hist19:25:000
8433994940,6cyclictest187717-21kernelversion23:45:210
8433994939,8cyclictest97102-21latency_hist22:10:010
8433994934,12cyclictest205833-21apt-key00:05:010
8433994931,16cyclictest78396-21aten_r7power_po21:50:160
8434994836,9cyclictest0-21swapper/100:20:281
843499481,35cyclictest93407-21ntpq22:05:331
843399486,15cyclictest77941-21modprobe21:50:010
8433994839,6cyclictest126265-21gltestperf22:40:190
8433994839,6cyclictest116802-21cut22:30:200
8433994838,8cyclictest27960-21aten_r7power_po20:25:130
8434994739,5cyclictest22208-21sendmail_mailqu20:00:421
8434994739,5cyclictest16562-21fschecks_time19:40:181
8434994736,8cyclictest168065-21latency_hist23:25:021
8434994729,12cyclictest0-21swapper/120:50:361
8433994740,5cyclictest111928-21tune2fs22:25:190
8433994739,5cyclictest215792-21fschecks_count00:15:190
8433994738,6cyclictest25650irq/23-42890000.ethernet19:54:590
8433994736,7cyclictest0-21swapper/022:20:270
8433994731,11cyclictest22294-21sort20:00:430
8433994727,17cyclictest0-21swapper/020:20:010
843399472,40cyclictest149343-21apt-get23:05:150
8433994711,33cyclictest58988-21hostname21:30:160
8434994640,4cyclictest33246-21fschecks_count20:45:171
8434994639,5cyclictest54608-21kernelversion21:25:201
8434994639,5cyclictest24747-21sendmail_mailqu20:10:351
8434994639,5cyclictest234789-21gltestperf00:35:211
8434994639,5cyclictest23024-21fschecks_count20:05:221
8434994639,5cyclictest192107-21df23:50:161
8434994638,6cyclictest9496-21timerwakeupswit19:10:371
8434994638,6cyclictest38806-21sendmail_mailqu21:05:351
8434994638,5cyclictest61097-21kworker/u4:3-nfsiod22:10:351
8434994637,6cyclictest69031-21grep21:40:201
8434994634,8cyclictest210990-21df_abs00:10:171
8434994634,8cyclictest210990-21df_abs00:10:161
8434994634,7cyclictest0-21swapper/123:25:161
8434994634,10cyclictest39177-21diskmemload22:50:181
8433994636,8cyclictest12490-21aten_r7power_en19:25:140
8433994636,7cyclictest235353-21processes00:35:390
8433994636,5cyclictest227000-21kworker/u4:9-rpciod00:30:220
8433994621,15cyclictest32791-21modprobe20:44:590
8434994538,5cyclictest229332-21idleruntime-cro00:30:001
8434994538,5cyclictest182762-21fschecks_count23:40:181
8434994535,7cyclictest0-21swapper/121:35:191
8433994539,4cyclictest0-21swapper/023:10:340
8433994536,7cyclictest22779-21aten_r7power_cu20:05:160
8433994528,11cyclictest0-21swapper/021:22:200
8433994526,16cyclictest0-21swapper/021:10:000
8434994437,5cyclictest0-21swapper/120:30:581
8434994436,5cyclictest173387-21fschecks_time23:30:191
8434994436,5cyclictest0-21swapper/123:45:351
8434994435,6cyclictest59306-21grep21:30:191
8434994433,8cyclictest0-21swapper/100:30:401
8433994435,6cyclictest33657-21proc_pri20:45:340
8433994435,6cyclictest10975-21sh19:20:010
8433994434,8cyclictest13807-21aten_r7power_po19:30:150
8433994434,7cyclictest130951-21gltestperf22:45:210
8433994428,13cyclictest183766-21/usr/sbin/munin23:40:400
8434994336,5cyclictest11402-21fschecks_count19:20:201
8434994334,6cyclictest35307-21kworker/u4:8+rpciod20:55:191
843499427,29cyclictest50064-21ntp_states21:20:331
8434994235,4cyclictest0-21swapper/123:00:181
8434994234,6cyclictest12238-21kworker/u4:10+rpciod20:40:191
8434994233,6cyclictest37137-21fschecks_time21:00:181
8433994234,6cyclictest8429-21cyclictest19:35:200
8433994232,6cyclictest36624-21sendmail21:00:000
8434994132,7cyclictest31507-21latency_hist20:40:011
8433994131,7cyclictest17664-21aten_r7power_vo19:45:160
8434994030,8cyclictest18719-21latency_hist19:50:021
8433994032,4cyclictest0-21swapper/020:10:330
8434993931,5cyclictest17342-21kworker/u4:1+rpciod20:20:191
8434993929,6cyclictest0-21swapper/120:25:341
8434993326,4cyclictest8491-21latency_hist19:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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