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2026-07-18 - 00:12
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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 376 highest latencies:
System rack7slot2.osadl.org (updated Fri Jul 17, 2026 12:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
660221997770,5cyclictest770187-21kworker/u4:13+events_unbound10:44:541
660219997630,31cyclictest710035-21gltestperf09:30:290
660219997232,36cyclictest0-21swapper/009:15:380
660221997141,28cyclictest790068-21apt-get11:00:201
66021999714,20cyclictest723832-21ssh09:45:370
660219997126,40cyclictest825910-21ssh11:40:140
660221997040,27cyclictest669296-21latency_hist07:45:011
660221996928,37cyclictest0-21swapper/112:05:111
66021999697,18cyclictest864927-21sshd12:23:310
660219996936,30cyclictest705537-21gltestperf09:25:260
660219996930,32cyclictest857594-21fschecks_count12:15:210
660219996837,28cyclictest0-21swapper/007:45:160
660219996834,31cyclictest0-21swapper/010:20:100
660219996829,36cyclictest0-21swapper/010:10:160
660219996827,39cyclictest0-21swapper/009:50:260
660219996737,27cyclictest837085-21kworker/u4:12-nfsiod12:00:380
660219996737,27cyclictest0-21swapper/009:20:240
660219996734,30cyclictest747443-21kworker/u4:14-rpciod10:15:220
660219996734,28cyclictest0-21swapper/010:30:150
660219996732,33cyclictest798626-21ssh11:10:000
660221996637,26cyclictest0-21swapper/109:10:271
660219996657,7cyclictest742926-21kworker/u4:11+events_unbound10:29:520
660219996642,20cyclictest0-21swapper/011:25:270
660219996635,28cyclictest662038-21gltestperf07:15:190
660219996634,29cyclictest0-21swapper/012:10:390
660219996630,31cyclictest0-21swapper/007:25:010
660219996624,8cyclictest848866-21if_eth012:05:210
66021999656,11cyclictest679468-21modprobe08:25:010
66021999655,53cyclictest783809-21ssh10:52:460
660219996534,27cyclictest742926-21kworker/u4:11-rpciod10:35:200
660219996530,32cyclictest871779-21switchtime12:30:380
660219996529,34cyclictest674331-21systemd08:04:140
660219996529,33cyclictest0-21swapper/009:35:260
66021999652,23cyclictest732860-21rm09:55:400
660219996449,10cyclictest756561-21kworker/u4:0+events_unbound10:40:020
66021999642,25cyclictest801325-21ssh11:12:150
660221996340,20cyclictest680377-21sendmail_mailqu08:25:361
660221996338,22cyclictest0-21swapper/110:00:341
660221996334,27cyclictest862759-21sendmail_mailqu12:20:391
66022199633,17cyclictest701401-21ps09:20:381
660221996326,34cyclictest0-21swapper/112:25:121
660221996326,34cyclictest0-21swapper/112:25:121
660219996355,6cyclictest720819-21kworker/u4:2+events_unbound09:45:000
660219996351,9cyclictest660561-21df07:10:170
660219996329,31cyclictest821427-21aten2__11:35:140
660219996324,37cyclictest0-21swapper/008:15:400
660219996321,6cyclictest0-21swapper/008:45:150
660221996232,28cyclictest808366-21fschecks_time11:20:211
660221996231,28cyclictest0-21swapper/110:50:331
660221996229,29cyclictest0-21swapper/110:15:011
66021999625,11cyclictest741661-21ntpq10:05:310
66021999625,11cyclictest741661-21ntpq10:05:310
660219996231,29cyclictest674528-21aten2__08:05:190
660219996231,28cyclictest836175-21unixbench_singl11:50:400
660219996228,31cyclictest657707-21kworker/u4:0-rpciod07:50:220
660219996221,6cyclictest0-21swapper/009:05:220
660221996129,29cyclictest0-21swapper/107:15:381
660221996128,30cyclictest0-21swapper/110:45:211
660221996128,30cyclictest0-21swapper/109:15:291
660219996134,25cyclictest840110-21ntpq11:55:310
660219996129,30cyclictest681934-21unixbench_singl08:30:400
660219996129,28cyclictest0-21swapper/007:40:210
660219996128,30cyclictest817947-21cut11:30:390
660219996128,30cyclictest675899-21aten_r7power_po08:10:150
66021999612,17cyclictest786112-21gltestperf10:55:250
660219996120,7cyclictest0-21swapper/011:45:290
660221996051,6cyclictest728125-21ntp_kernel_err09:50:261
660221996032,26cyclictest0-21swapper/110:05:331
660221996032,26cyclictest0-21swapper/110:05:331
660221996031,27cyclictest724124-21/usr/sbin/munin09:45:441
660221996028,29cyclictest796716-21kworker/u4:11-rpciod11:10:381
660221996027,30cyclictest0-21swapper/112:15:311
660219996030,28cyclictest877288-21kworker/u4:7-rpciod12:40:010
660219996030,28cyclictest740616-21munin-plugin-st10:05:000
660219996023,4cyclictest0-21swapper/010:45:350
660219996019,6cyclictest809092-21timerandwakeup11:20:410
660221995933,23cyclictest0-21swapper/109:40:351
660221995933,22cyclictest0-21swapper/110:35:331
660221995929,27cyclictest0-21swapper/109:25:381
660221995928,28cyclictest0-21swapper/111:15:301
660221995927,29cyclictest0-21swapper/111:30:271
660221995922,34cyclictest0-21swapper/109:30:481
660219995929,27cyclictest0-21swapper/012:25:380
660219995929,27cyclictest0-21swapper/012:25:380
660219995928,28cyclictest0-21swapper/008:40:390
660219995926,30cyclictest0-21swapper/011:15:310
660219995924,31cyclictest666275-21grep07:30:380
660221995835,21cyclictest675845-21aten_r7power_cu08:10:151
660221995834,22cyclictest681043-21wget08:30:181
660221995834,21cyclictest0-21swapper/107:35:201
660221995834,21cyclictest0-21swapper/107:35:191
660221995833,23cyclictest0-21swapper/110:20:101
660221995831,25cyclictest0-21swapper/112:10:321
660221995830,25cyclictest0-21swapper/112:30:321
660221995830,25cyclictest0-21swapper/110:20:011
660221995826,29cyclictest37-21kcompactd011:40:141
660221995820,35cyclictest679587-21sed08:25:021
66021999582,22cyclictest664882-21ntpq07:25:270
66021999581,21cyclictest691959-21ntpq09:10:260
660221995733,21cyclictest0-21swapper/109:35:261
660221995732,23cyclictest732058-21aten_r7power_en09:55:181
66022199573,21cyclictest758786-21ssh10:25:121
660221995729,26cyclictest844104-21df_abs12:00:161
660221995728,26cyclictest0-21swapper/108:15:311
660221995728,26cyclictest0-21swapper/107:55:231
660221995727,27cyclictest0-21swapper/110:55:321
660221995726,28cyclictest0-21swapper/112:35:371
660221995726,28cyclictest0-21swapper/108:40:311
660221995725,29cyclictest0-21swapper/107:10:401
66022199572,11cyclictest832738-21ssh11:47:151
660221995719,33cyclictest669474-21basename07:45:161
660221995718,35cyclictest816718-21latency_hist11:30:011
660219995723,4cyclictest688939-21gltestperf09:00:190
660219995722,9cyclictest789680-21cron11:00:020
660219995720,6cyclictest0-21swapper/007:55:170
660221995648,6cyclictest0-21swapper/111:50:351
660221995627,26cyclictest0-21swapper/111:55:251
660221995627,26cyclictest0-21swapper/110:30:281
660221995626,28cyclictest822218-21sshd11:35:321
660221995623,31cyclictest684891-21cpu08:45:161
660221995623,29cyclictest666274-21ps07:30:391
660219995619,7cyclictest0-21swapper/007:35:320
660219995619,7cyclictest0-21swapper/007:35:320
660221995423,29cyclictest683121-21unixbench-2d08:35:381
66022199542,16cyclictest663766-21ps07:20:431
660221995419,32cyclictest0-21swapper/108:55:311
660219995421,5cyclictest0-21swapper/008:25:180
660219995321,4cyclictest0-21swapper/008:40:020
66022199528,7cyclictest0-21swapper/108:05:341
66022199521,15cyclictest686747-21ps08:50:381
66022199521,13cyclictest673721-21irqstats08:00:231
66022199513,8cyclictest664883-21awk07:25:271
660221995128,21cyclictest0-21swapper/109:00:201
660221995123,26cyclictest671486-21switchtime07:50:391
660221995113,9cyclictest690292-21cat09:05:221
660221995113,4cyclictest794615-21aten_r7power_po11:05:201
660221994233,5cyclictest657712-21kworker/u4:7-rpciod07:10:011
660219994235,5cyclictest688435-21latency_hist09:00:010
660219994132,7cyclictest686492-21kernelversion08:50:240
660219993525,7cyclictest0-21swapper/007:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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