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2026-11-11 - 01:17
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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 Nov 10, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3448211314,35sleep03486-21interrupts12:49:100
29553210723,17sleep029585-21proc_pri10:49:320
7234210614,79sleep07251-21timerwakeupswit12:59:390
8168210418,16sleep08182-21awk13:04:050
19240210113,16sleep019305-21munin-node10:18:560
3195210014,16sleep03212-21grep11:09:040
804229914,24sleep08060-21munin-node11:23:580
1297429815,16sleep013023-21fschecks_time11:39:070
2877829713,16sleep028846-21date10:48:470
2145229714,16sleep021477-21ps10:24:310
20108999714,74cyclictest32413-21chrt09:08:440
1175929714,16sleep011757-21ntp_states11:34:260
179629614,16sleep03321-21lldpd09:21:370
855629513,16sleep08585-21mailstats09:44:320
20108999514,72cyclictest3568-21runrttasks09:24:350
2885129413,15sleep028869-21latency_hist12:28:470
20108999414,71cyclictest14889-21missed_timers11:44:210
20108999414,71cyclictest11414-21if_err_eth009:54:100
1642629414,21sleep016442-21missed_timers10:09:210
651429314,15sleep06516-21hddtemp_smartct09:39:040
3263229314,15sleep032633-21iostat_ios12:39:140
2282129314,15sleep022824-21iostat_ios10:29:120
20108999315,69cyclictest19668-21munin-node11:59:150
20108999215,68cyclictest1847-21ls11:04:200
20108999214,69cyclictest6651-21if_eth011:19:110
20108999214,69cyclictest4969-21fschecks_time11:14:060
2943929114,16sleep03250-21snmpd08:46:560
2289729114,16sleep022900-21iostat12:09:120
20108999115,67cyclictest22392-21chrt07:55:350
20108999115,66cyclictest16101-21munin-node11:48:570
20108999114,68cyclictest17711-21aten_r4power_vo11:53:560
20108999015,66cyclictest18528-21vmstat10:14:420
20108999014,66cyclictest1599-21munin-node12:44:020
2646928913,15sleep00-21swapper12:19:320
20108998914,66cyclictest32125-21munin-node10:59:160
20108998914,66cyclictest22444-21latency_hist12:08:460
20108998814,36cyclictest10517-21yum11:29:440
2445628714,16sleep024457-21iostat_ios10:34:180
20108998714,63cyclictest27424-21seq08:32:200
2578928614,15sleep025809-21df10:39:010
20108998615,62cyclictest3568-21runrttasks10:00:290
20108998615,62cyclictest31353-21munin-node12:34:320
20108998614,63cyclictest5817-21seq09:36:460
20108998614,63cyclictest3568-21runrttasks08:49:460
20108998614,62cyclictest24092-21munin-node12:14:370
2838728514,14sleep00-21swapper08:38:510
2474828514,19sleep00-21swapper08:13:010
2305028513,19sleep00-21swapper08:00:190
2081128514,19sleep00-21swapper07:43:530
20108998514,62cyclictest20701-21crond07:43:440
20108998514,61cyclictest3909-21timerwakeupswit09:30:130
20108998514,61cyclictest29304-21munin-node12:29:070
1945128514,15sleep00-21swapper07:34:130
3175528313,19sleep00-21swapper10:56:410
3060128314,19sleep00-21swapper08:55:050
20108998316,56cyclictest26908-21munin-run08:28:440
20108998314,60cyclictest3568-21runrttasks08:38:050
1448728314,15sleep00-21swapper10:04:020
90028213,15sleep00-21swapper09:14:590
470128214,15sleep00-21swapper12:53:520
2186628214,15sleep00-21swapper07:51:580
1045028214,15sleep00-21swapper09:49:490
33728113,15sleep00-21swapper09:11:150
3122428114,15sleep00-21swapper08:59:320
2565228114,15sleep00-21swapper08:19:010
2549128114,15sleep00-21swapper08:18:280
2379928113,15sleep00-21swapper08:05:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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