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2026-06-21 - 11:48
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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 50 highest latencies:
System rack4slot3.osadl.org (updated Sun Jun 21, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
61221150,4sleep0613-21cut21:19:180
2708921130,4sleep027090-21date19:19:380
26722210713,81sleep026443-21munin-node00:19:200
7206210613,80sleep07259-21fschecks_time23:19:190
2810210517,16sleep02836-21sort19:44:540
17837210414,25sleep017839-21sshd22:11:350
29601210313,28sleep029516-21munin-node21:09:110
28282210214,16sleep028283-21diskstats00:24:190
21916210214,75sleep021924-21munin-node20:44:300
17143210214,16sleep017145-21irqstats23:49:290
5892210014,15sleep05917-21ntp_offset21:34:390
767929914,16sleep07684-21timerandwakeup19:59:540
434329918,16sleep04368-21processes21:29:450
2367429914,16sleep023110-21munin-node22:29:350
1875729914,15sleep018765-21memory22:14:330
232829815,16sleep02340-21df_inode00:44:150
1210429814,16sleep012107-21iostat_ios20:14:260
3265929714,16sleep032720-21sort21:18:590
2900929715,15sleep03250-21snmpd21:05:440
2838429713,16sleep028402-21netstat19:24:360
2546829714,16sleep025466-21ntp_states00:14:420
1605029714,16sleep016084-21users23:44:550
1511729714,16sleep015166-21df22:04:120
1381329714,16sleep013814-21iostat_ios21:59:280
753329514,16sleep07552-21ntp_offset21:39:510
67929514,17sleep0684-21kernelversion19:39:290
3154929514,17sleep031624-21cut00:34:210
2984829514,16sleep029862-21iostat19:29:240
27803999514,72cyclictest19114-21unixbench_singl20:34:540
248929514,16sleep02497-21memory21:24:330
2417029514,16sleep024194-21users00:09:550
1393929514,68sleep013942-21sh20:19:390
27803999415,70cyclictest3568-21runrttasks22:50:380
3157229314,16sleep031580-21memory19:34:310
27803999315,69cyclictest4126-21munin-node23:09:250
27803999315,69cyclictest31682-21kernelversion22:54:300
27803999314,70cyclictest27152-21sensors_temp22:39:470
27803999314,70cyclictest25910-21runrttasks20:56:550
1227129314,16sleep012274-21iostat_ios23:34:260
586529213,16sleep05873-21memory23:14:320
2740429214,16sleep03250-21snmpd21:00:540
2508129214,16sleep025085-21hddtemp_smartct22:34:220
2094529214,16sleep020948-21users23:59:560
924629115,16sleep09244-21ntp_states23:24:390
27803999115,67cyclictest3568-21runrttasks22:24:250
27803999114,67cyclictest2371-21fschecks_time23:04:210
1095429114,16sleep010959-21munin-node20:09:530
916929013,19sleep08518-21munin-node21:44:420
562429014,16sleep05625-21iostat_ios19:54:250
27803999015,66cyclictest19872-21munin-node22:19:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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