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2026-07-07 - 16:33
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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 Tue Jul 07, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
45624290,5sleep0458-21crond07:25:390
5849914914,70cyclictest1117-21fw_packets10:46:040
5849914714,75cyclictest14483-21ntp_states11:26:230
5849914614,69cyclictest5060-21chrt09:16:490
5849914514,70cyclictest17448-21idleruntime11:36:070
5849914514,70cyclictest11351-21sendmail_mailqu11:16:290
5849914115,68cyclictest2525-21cut10:50:540
5849914114,42cyclictest4621-21munin-node12:36:120
5849914015,66cyclictest3568-21runrttasks08:54:390
5849913914,69cyclictest7365-21aten_r4power_vo09:25:530
5849913914,66cyclictest21596-21runrttasks08:30:070
5849911514,66cyclictest2562-21fschecks_time07:31:020
2729721060,4sleep027298-21grep12:06:150
2182210315,15sleep02183-21sshd12:29:090
584999615,72cyclictest22215-21munin-node11:51:000
3104529614,16sleep031046-21users12:16:410
415129514,16sleep04152-21diskstats07:35:590
2242329514,15sleep022421-21ntp_states08:31:220
628629414,16sleep06284-21ntp_states09:21:220
584999414,71cyclictest18698-21munin-node10:00:530
584999414,70cyclictest3083-21date12:31:200
1250029413,15sleep012554-21perl11:21:040
945629314,15sleep09454-21ntp_states07:51:250
584999314,69cyclictest19393-21expr08:21:330
193332930,53sleep019334-21ntpq11:41:210
1712729314,15sleep017134-21entropy08:16:000
752529215,15sleep07539-21hddtemp_smartct07:46:060
584999214,69cyclictest5561-21munin-node07:40:510
584999214,69cyclictest2537-21munin-node09:10:560
1554329213,15sleep015572-21df_inode09:50:570
584999114,68cyclictest27551-21timerwakeupswit08:46:370
584999114,68cyclictest20607-21fschecks_time11:46:030
2391429113,15sleep023915-21iostat_ios10:16:120
584999015,66cyclictest32585-21timerwakeupswit12:21:360
584999015,66cyclictest13881-21runrttasks08:05:580
584999014,68cyclictest3568-21runrttasks12:11:540
584999014,68cyclictest32209-21proc_pri09:01:310
584999014,67cyclictest694-21basename07:25:530
584999014,67cyclictest29777-21runrttasks10:35:070
584999014,66cyclictest7289-21latency_hist11:05:430
584999013,68cyclictest7356-21munin-node11:05:510
584998914,66cyclictest20747-21munin-node10:06:150
584998914,65cyclictest4101-21munin-node10:55:510
584998913,67cyclictest5803-21munin-node12:41:420
584998814,65cyclictest7468-21aten_r4power_en12:45:540
584998814,65cyclictest30572-21munin-node08:56:270
584998814,65cyclictest26016-21uptime08:41:390
584998814,65cyclictest24715-21sshd08:39:070
584998814,65cyclictest12287-21cpu09:40:550
584998814,37cyclictest464-21chrt10:44:210
1040328815,61sleep010395-21latency_hist09:35:420
584998715,63cyclictest16315-21chrt08:11:420
584998715,62cyclictest24306-21munin-node11:56:280
584998714,64cyclictest8968-21munin-node11:11:220
584998714,64cyclictest15776-21fschecks_time11:31:040
584998614,63cyclictest31531-21latency_hist10:40:420
584998614,63cyclictest26732-21cut10:25:530
584998613,64cyclictest13972-21munin-node09:46:010
584998414,34cyclictest12640-21netstat08:01:190
2539428415,56sleep025402-21munin-node12:01:010
1734828414,15sleep017352-21smartctl09:56:050
1106928413,60sleep011067-21ntp_states07:56:220
584998315,59cyclictest10554-21runrttasks12:55:410
584998315,58cyclictest25115-21aten_r4power_cu10:20:520
584998024,47cyclictest3568-21runrttasks09:07:120
584997915,25cyclictest10953-21irqstats09:36:130
2316127914,14sleep00-21swapper10:14:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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