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2026-08-08 - 05:44
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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 Sat Aug 08, 2026 00:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
85158998273,7cyclictest112114-21kworker/u4:6+events_unbound20:56:531
85158998037,22cyclictest130055-21sh21:25:191
85154997469,3cyclictest158318-21kworker/u4:13+events_unbound22:12:070
85154997442,30cyclictest53-21kswapd021:55:070
85154997439,32cyclictest220480-21/usr/sbin/munin23:05:390
85154997333,37cyclictest120606-21latency_hist21:15:010
85154997332,5cyclictest228789-21ntp_offset23:15:290
85154997332,38cyclictest174908-21ssh22:15:200
85154997237,32cyclictest249741-21latency_hist23:40:010
85158997122,28cyclictest0-21swapper/121:16:051
8515499718,20cyclictest206348-21fschecks_time22:50:190
85154997157,12cyclictest215596-21ld23:00:290
85154997136,32cyclictest233466-21/usr/sbin/munin23:20:380
85154997135,33cyclictest91199-21mailstats19:30:380
85158997045,23cyclictest188310-21/usr/sbin/munin22:30:191
85154997038,29cyclictest192565-21aten_r7power_en22:35:140
85154997036,32cyclictest102346-21fschecks_count20:15:200
8515499694,6cyclictest121055-21df_inode21:15:170
85154996930,35cyclictest0-21swapper/021:20:330
85154996860,6cyclictest278679-21kworker/u4:1+events_unbound00:33:420
85154996831,34cyclictest93160-21aten_r7power_en19:40:130
85154996830,8cyclictest135369-21timerandwakeup21:30:380
85154996828,6cyclictest0-21swapper/022:35:010
85158996736,29cyclictest85153-21cyclictest20:42:121
85158996735,29cyclictest98200-21latency_hist20:00:011
8515499676,23cyclictest130465-21ld21:25:280
85154996736,29cyclictest53-21kswapd000:20:080
85154996731,5cyclictest0-21swapper/023:40:320
85154996726,36cyclictest0-21swapper/022:55:350
85158996629,33cyclictest0-21swapper/123:15:271
8515899662,15cyclictest134928-21ntpq21:30:271
8515499664,23cyclictest223872-21df23:10:170
85154996634,29cyclictest153443-21sed21:50:390
85154996629,5cyclictest0-21swapper/000:10:240
85154996625,7cyclictest0-21swapper/021:41:400
85154996531,5cyclictest103469-21aten_r7power_po20:20:160
85154996530,7cyclictest183502-21acpi22:25:110
85154996529,8cyclictest264065-21open_files23:55:350
85154996529,8cyclictest264065-21open_files23:55:350
85154996528,6cyclictest0-21swapper/022:45:230
85158996435,27cyclictest197285-21fschecks_count22:40:181
85154996429,5cyclictest0-21swapper/022:20:330
85154996429,32cyclictest107600-21gltestperf20:35:200
85154996428,7cyclictest0-21swapper/023:50:320
85154996428,6cyclictest0-21swapper/021:45:280
85158996332,28cyclictest252393-21sd-accept23:42:191
85158996331,29cyclictest0-21swapper/122:10:151
85158996331,29cyclictest0-21swapper/119:45:391
85158996330,30cyclictest0-21swapper/122:45:381
85154996345,8cyclictest165891-21entropy22:05:180
85154996329,5cyclictest0-21swapper/019:45:170
85154996328,7cyclictest115238-21gltestperf21:05:200
85154996328,6cyclictest0-21swapper/020:45:060
85154996328,5cyclictest0-21swapper/000:15:170
8515899624,16cyclictest144187-21ps21:40:371
85158996236,24cyclictest294239-21aten_r7power_vo00:30:181
8515899623,16cyclictest192453-21apt-get22:35:101
85158996231,28cyclictest0-21swapper/123:35:331
85158996230,28cyclictest0-21swapper/100:15:261
85158996229,30cyclictest0-21swapper/122:20:421
85158996226,32cyclictest0-21swapper/121:50:371
8515899621,48cyclictest126089-21ssh21:20:351
85154996230,7cyclictest136254-21kworker/u4:16+rpciod21:35:190
85154996230,4cyclictest0-21swapper/000:35:410
85154996227,6cyclictest0-21swapper/000:25:290
85158996132,27cyclictest0-21swapper/100:08:261
85158996130,28cyclictest0-21swapper/100:00:131
85158996129,29cyclictest0-21swapper/121:55:381
85158996129,28cyclictest0-21swapper/120:45:381
85158996126,29cyclictest223320-21munin-run23:10:001
8515499618,18cyclictest255283-21ntpq23:45:370
85154996130,4cyclictest92045-21fschecks_count19:35:230
85154996129,5cyclictest194739-21kworker/u4:8-rpciod22:40:300
85154996125,7cyclictest0-21swapper/023:30:340
85154996125,6cyclictest0-21swapper/020:00:010
85158996038,19cyclictest142950-21sendmail21:40:011
85158996030,27cyclictest0-21swapper/123:25:321
85158996029,29cyclictest90850-21gltestperf19:30:211
85158996029,28cyclictest103647-21fschecks_count20:20:191
85158996025,32cyclictest0-21swapper/122:05:351
8515899602,16cyclictest276364-21apt-get00:10:111
85154996028,5cyclictest110499-21sendmail_mailqu20:45:350
85154996026,6cyclictest0-21swapper/022:00:150
85154996025,7cyclictest0-21swapper/020:25:230
8515899593,50cyclictest263999-21ssh23:55:311
8515899593,50cyclictest263999-21ssh23:55:311
85154995954,3cyclictest265263-21kworker/u4:0+events_unbound00:03:230
85154995950,6cyclictest85092-21kworker/u4:4+events_unbound20:01:430
85154995924,9cyclictest112289-21/usr/sbin/munin20:55:160
8515899583,8cyclictest290377-21ssh00:25:301
8515899583,51cyclictest206584-21ssh22:50:231
8515899583,14cyclictest86007-21ps19:10:351
85158995830,25cyclictest225680-21kworker/u4:19+rpciod23:50:321
85158995829,27cyclictest176252-21sshd22:16:121
85158995826,30cyclictest0-21swapper/123:20:131
85158995822,33cyclictest0-21swapper/121:05:401
8515899582,13cyclictest162159-21ps22:00:411
8515899574,16cyclictest242041-21ssh23:30:331
85158995737,18cyclictest0-21swapper/123:02:111
85158995732,22cyclictest111928-21timerwakeupswit20:50:361
8515899572,7cyclictest87130-21ntpq19:15:271
85158995720,34cyclictest0-21swapper/100:35:291
8515899563,48cyclictest116892-21memory21:10:211
85158995627,26cyclictest0-21swapper/122:25:341
85158995625,28cyclictest0-21swapper/120:35:341
85158995623,31cyclictest199303-21kworker/u4:1+rpciod23:10:191
85158995621,32cyclictest0-21swapper/100:20:211
8515899561,16cyclictest147693-21ssh21:45:121
85158995528,25cyclictest0-21swapper/120:20:011
8515899552,5cyclictest93725-21ntpq19:40:301
85158995521,29cyclictest0-21swapper/120:25:161
85158995511,41cyclictest114488-21sed21:00:441
85154995548,5cyclictest273166-21/usr/sbin/munin00:05:380
85154995538,11cyclictest37-21kcompactd019:20:180
8515899549,42cyclictest1073-21snmpd19:38:421
85158995425,26cyclictest0-21swapper/122:55:321
85158995329,21cyclictest0-21swapper/123:45:201
8515899532,6cyclictest106580-21ntpq20:30:331
85158995319,31cyclictest81447-21kworker/u4:7+rpciod19:25:301
85158995122,24cyclictest0-21swapper/120:05:161
8515899511,7cyclictest88530-21ntpq19:20:311
8515899511,6cyclictest98915-21ntpq20:00:301
8515899511,11cyclictest96256-21ntpq19:50:281
85154995043,5cyclictest237912-21threads23:25:400
8515899492,11cyclictest101453-21ntpq20:10:341
85154994826,7cyclictest111327-21fschecks_time20:50:180
85154994826,20cyclictest101100-21fschecks_time20:10:200
85158994711,32cyclictest85272-21sed19:10:011
8515499476,30cyclictest85153-21cyclictest19:10:000
85154994540,3cyclictest81446-21kworker/u4:6+events_unbound20:06:430
85154994537,5cyclictest87663-21kworker/u4:11-rpciod19:50:190
85154994435,7cyclictest105958-21aten_r7power_cu20:30:150
85154994434,6cyclictest0-21swapper/019:10:180
85154994334,7cyclictest89197-21aten_r7power_cu19:25:150
85154994235,5cyclictest87700-21ls19:20:000
85154994213,22cyclictest0-21swapper/021:05:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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