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2026-06-10 - 05:55
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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 rack4slot3.osadl.org (updated Wed Jun 10, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127225400,6sleep01270-21grep19:18:060
2131221070,4sleep021310-21sendmail_mailqu20:18:350
26302210614,16sleep026316-21munin-node20:33:430
14999210314,16sleep015004-21munin-node21:38:420
10796210214,16sleep010839-21ls21:27:500
1623210014,16sleep01641-21if_err_eth000:18:200
964029914,16sleep09642-21irqstats19:43:200
1185329915,16sleep011860-21unixbench_singl21:28:510
2312629714,16sleep023131-21smart_hda23:43:390
2643999614,73cyclictest16609-21grep23:23:370
2643999614,45cyclictest26274-21awk22:13:370
1612029614,16sleep016121-21irqstats20:03:190
934229514,15sleep09333-21latency_hist00:42:510
320229514,15sleep03241-21expr19:23:230
2643999515,71cyclictest5107-21load00:28:290
2643999515,71cyclictest22719-21wc20:23:250
2643999514,72cyclictest17949-21munin-node20:08:300
2439129513,16sleep024392-21memory22:08:250
1324629513,16sleep013270-21switchtime19:53:400
616929413,16sleep06170-21diskstats19:33:080
2643999415,70cyclictest22250-21munin-node22:03:010
2637029414,16sleep026374-21smart_hda23:53:400
1414129414,17sleep014205-21cpu19:58:010
641029314,15sleep06411-21diskstats00:33:070
505129315,16sleep05049-21ntp_states21:08:310
2767529314,16sleep027678-21ntp_states20:38:300
2643999315,69cyclictest17970-21netstat21:48:270
2643999314,70cyclictest19707-21proc_pri21:53:350
2100529314,16sleep021048-21perl23:38:120
1811129314,16sleep018114-21ntp_states23:28:330
3193829214,16sleep031993-21munin-node20:53:010
2643999215,68cyclictest31984-21ls00:12:500
160829214,15sleep01610-21irqstats22:38:210
1198029214,15sleep010979-21munin-node23:08:490
1122829214,16sleep011232-21df00:48:040
999429114,16sleep09992-21ntp_states23:03:290
886629114,16sleep08860-40yum-updatesd-he21:20:200
2643999115,67cyclictest20677-21aten_r4power_en21:58:010
2643999114,68cyclictest3568-21runrttasks00:27:290
2643999114,68cyclictest3209-21kernelversion21:03:210
2643999114,67cyclictest9851-21cat00:43:160
2421229114,16sleep024215-21iostat20:28:150
1677929115,16sleep016782-21vmstat21:43:530
2643999015,66cyclictest30397-21munin-node22:28:000
2643999014,67cyclictest9243-21latency_hist23:02:500
2643999014,67cyclictest7131-21runrttasks21:14:260
2643999014,67cyclictest27734-21missed_timers23:58:250
2643999013,41cyclictest28763-21aten_r4power_cu22:23:000
908228914,16sleep09091-21munin-run19:42:490
562828913,15sleep00-21swapper22:49:480
2643998915,65cyclictest14434-21munin-node23:18:070
2643998914,66cyclictest30375-21aten_r4power_vo20:48:020
2643998914,37cyclictest29021-21sh00:03:070
3256628814,15sleep032598-21munin-node22:33:290
2643998815,37cyclictest5087-21rt-features19:28:350
2643998814,65cyclictest395-21munin-node00:13:410
2643998814,65cyclictest27880-21munin-node22:18:370
2643998814,65cyclictest19269-21df_abs23:33:060
2643998814,38cyclictest19629-21munin-node20:13:360
2643998714,64cyclictest6324-21runrttasks22:53:070
2643998714,64cyclictest3568-21runrttasks23:48:370
2643998714,64cyclictest3568-21runrttasks22:43:190
2643998714,64cyclictest29102-21runrttasks20:43:210
2643998714,64cyclictest12599-21munin-node23:13:430
1188328614,19sleep00-21swapper19:49:110
1389028314,19sleep00-21swapper21:36:400
152828214,15sleep01536-21kernelversion20:58:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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