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2025-11-22 - 08:07
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack3slot2.osadl.org (updated Sat Nov 22, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
377430823100,3sleep03774309-21rm21:59:300
373560422520,3chrt3735602-21ntpq19:51:040
379667622410,3chrt3796678-21sed23:05:090
380883522400,3chrt3808830-21diskstats23:40:260
374493522300,3chrt3744938-21grep20:25:120
381880622150,3sleep03818808-21latency_hist00:10:090
376513222100,2sleep03765130-21sendmail_mailtr21:31:560
372557122100,3sleep03725572-21latency19:15:270
378489722080,3sleep03784898-21ssh22:30:170
382309422050,3sleep03823095-21grep00:21:540
379004122050,3sleep03790042-21df22:45:220
377716922050,2sleep03777168-21/usr/sbin/munin22:07:000
372382699194164,18cyclictest3765802-21kworker/u2:222:00:300
378301721890,2sleep03783018-21latency_hist22:25:110
372382699188159,18cyclictest3791165-21kworker/u2:123:00:070
372382699187158,19cyclictest3828376-21kworker/u2:100:40:020
372382699187157,18cyclictest3794542-21kworker/u2:223:10:330
372382699186156,19cyclictest3723835-21kworker/u2:319:15:040
372382699183155,19cyclictest3763929-21kworker/u2:021:50:040
380585721820,3chrt22-21kcompactd023:31:240
372382699181152,18cyclictest3757312-21kworker/u2:121:15:050
378682121800,3chrt3786819-21memory22:35:400
372382699179149,18cyclictest3754527-21kworker/u2:221:25:100
372382699178149,17cyclictest3803411-21kworker/u2:123:36:360
372382699177147,21cyclictest84-21jbd2/mmcblk0p2-23:55:040
372382699177143,23cyclictest3769329-21true21:45:050
375739121760,4chrt3757392-21latency_hist21:10:110
372382699176145,19cyclictest3810296-21kworker/u2:100:26:540
372382699176142,23cyclictest3826286-21ntpq00:31:450
380349821750,4chrt3803499-21latency_hist23:25:090
379214221750,4chrt3792139-21ntpq22:51:140
380073821740,4chrt3800736-21ntp_states23:16:270
376701321740,3sleep022-21kcompactd021:37:100
372382699174147,17cyclictest3773929-21kworker/u2:322:20:090
372382699172142,18cyclictest3814853-21kworker/u2:000:00:110
372382699171142,19cyclictest3775707-21kworker/u2:122:15:070
372382699171142,18cyclictest3810296-21kworker/u2:100:00:440
372382699170143,17cyclictest3757312-21kworker/u2:121:20:070
372382699169142,17cyclictest3722897-21kworker/u2:019:10:070
372382699169140,18cyclictest3803411-21kworker/u2:123:27:010
372382699169140,18cyclictest3740525-21kworker/u2:220:25:040
372382699168138,18cyclictest3723835-21kworker/u2:319:50:020
372382699166137,18cyclictest3723835-21kworker/u2:319:31:190
372382699164135,17cyclictest3723835-21kworker/u2:319:25:060
372382699162136,18cyclictest3779149-21kworker/u2:022:45:090
372382699162133,18cyclictest3741972-21kworker/u2:020:36:200
372382699161133,18cyclictest3798011-21kworker/u2:323:46:570
372382699160132,19cyclictest3746153-21kworker/u2:320:31:350
372382699159132,17cyclictest3728022-21kworker/u2:019:30:070
372382699159130,17cyclictest3746153-21kworker/u2:320:45:080
372382699157129,18cyclictest3750337-21kworker/u2:120:56:190
372382699157127,18cyclictest3734993-21kworker/u2:119:56:200
372382699156128,17cyclictest3740525-21kworker/u2:220:20:010
372382699156127,18cyclictest3734993-21kworker/u2:120:06:200
372382699155125,18cyclictest3775707-21kworker/u2:122:25:140
372382699155116,16cyclictest3817062-21kworker/u2:300:20:020
372382699152121,19cyclictest3779149-21kworker/u2:023:06:590
372382699152118,23cyclictest3746153-21kworker/u2:320:45:050
372382699151122,17cyclictest3752167-21kworker/u2:020:51:150
372382699150122,17cyclictest3734993-21kworker/u2:120:11:180
372382699149120,18cyclictest3732216-21kworker/u2:019:41:230
372382699149119,19cyclictest84-21jbd2/mmcblk0p2-19:40:050
372382699146116,18cyclictest3814853-21kworker/u2:000:10:350
372382699144114,19cyclictest3768841-21kworker/u2:121:50:270
372382699139109,19cyclictest3757312-21kworker/u2:121:27:410
372382699132103,18cyclictest3737791-21kworker/u2:020:05:020
372382699132102,20cyclictest3752167-21kworker/u2:021:00:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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