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2026-04-06 - 18:07
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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 Mon Apr 06, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7575210813,82sleep07597-21if_err_eth012:31:330
5945210414,16sleep05946-21munin-node10:46:360
17121210414,21sleep017127-21iostat_ios08:01:340
11877210415,17sleep011881-21crond11:06:070
10273210414,21sleep010328-21cpu07:41:180
4090210314,16sleep04139-21df12:21:220
11961210314,16sleep011971-21munin-run12:46:070
630210214,16sleep0644-21aten_r4power_cu12:11:180
28962210214,19sleep028209-21munin-node11:56:550
27072210214,16sleep03303-21ntpd08:31:480
2649210214,16sleep02675-21ls08:56:420
2565229914,16sleep025668-21munin-node08:26:580
1917929914,16sleep019215-21date08:07:000
1251529914,16sleep012527-21missed_timers11:06:420
732529814,16sleep07329-21hddtemp_smartct07:31:300
587929814,16sleep05902-21wc07:26:440
3009229814,16sleep030098-21iostat_ios08:41:330
2851729813,15sleep028135-21munin-node10:16:330
2722729814,15sleep027228-21ntp_states11:51:490
1410129814,15sleep014128-21netstat09:31:450
432029714,16sleep04323-21iostat_ios10:41:360
120429615,16sleep01207-21ntp_states10:31:490
3188329514,15sleep031884-21iostat_ios12:06:370
2013999514,72cyclictest16876-21aten_r4power_cu11:21:180
2013999514,71cyclictest19949-21munin-node08:11:180
2013999514,71cyclictest11932-21aten_r4power_cu09:26:170
1414129514,15sleep014152-21ls11:11:430
1240029515,16sleep012418-21netstat07:46:440
89929415,16sleep0902-21iostat_ios08:51:360
2013999415,70cyclictest3568-21runrttasks07:53:260
2013999415,68cyclictest9152-21tune2fs12:36:280
2013999414,71cyclictest22564-21munin-node08:17:020
1950429414,16sleep03321-21lldpd09:47:470
1523729414,16sleep015300-21cpu09:36:190
1545529313,16sleep015456-21munin-node11:16:260
441429214,15sleep04438-21ps07:21:540
2540729214,65sleep025415-21kernelversion11:46:380
2013999215,68cyclictest203062sleep011:31:230
2013999215,39cyclictest3834-21grep09:01:180
2013999214,67cyclictest2292-21aten_r4power_vo10:36:190
2013999214,42cyclictest21787-21cut11:36:190
918529114,16sleep03321-21lldpd10:56:360
887929114,15sleep08883-21diskstats09:16:220
248129114,16sleep02484-21iostat07:16:350
2013999115,67cyclictest61172sleep012:26:430
2013999115,66cyclictest31910-21ntp_kernel_pll_08:46:450
2013999114,68cyclictest7291-21cut09:11:280
2013999114,67cyclictest29861-21munin-node12:01:200
2013999114,42cyclictest312692sleep010:26:070
1093429114,16sleep010932-21ntp_states09:21:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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