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2026-04-22 - 02:29
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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 Apr 22, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
235659915514,75cyclictest6029-21aten_r4power_en23:22:560
6142211814,91sleep06169-21fw_packets20:03:060
22859211414,87sleep022863-21open_files00:13:300
188721130,4sleep01888-21wc21:28:400
18848210214,75sleep018857-21latency_hist00:02:440
235659910115,76cyclictest21116-21ntpdc22:28:240
13812210113,16sleep013817-21sadc20:27:430
23565999914,75cyclictest14603-21munin-node20:28:280
2202029915,19sleep022101-21df19:12:550
297029814,15sleep02971-21iostat_ios19:53:120
1672229714,15sleep016723-21sshd20:34:580
360529614,16sleep03148-40yum-updatesd-he23:13:390
3019429614,15sleep030238-21munin-node21:17:580
23565999615,44cyclictest3568-21runrttasks21:00:270
23565999614,73cyclictest3568-21runrttasks23:18:500
23565999614,73cyclictest3568-21runrttasks23:08:060
23565999614,72cyclictest25682-21munin-node22:43:060
924129513,15sleep09295-21aten_r4power_po23:32:560
23565999514,72cyclictest4705-21iostat21:38:090
788029414,16sleep07881-21iostat_ios20:08:130
2755129414,15sleep027547-21ntp_states21:08:280
2742829414,16sleep027475-21cat22:48:170
2527129414,16sleep025324-21cpu19:22:560
23565999414,70cyclictest6334-21runrttasks21:43:120
1093629415,15sleep010966-21df_inode21:58:000
2916329314,15sleep029168-21ntp_states21:13:250
2571829314,16sleep025719-21irqstats21:03:150
23565999215,67cyclictest32457-21munin-node21:23:300
23565999214,68cyclictest17533-21munin-node20:38:080
2276529214,15sleep022763-21ntp_states22:33:280
1931029214,15sleep019311-21irqstats22:23:140
23565999114,68cyclictest24632-21munin-node19:17:520
23565999114,42cyclictest27774-21proc_pri00:28:300
23565999114,40cyclictest15464-21chrt23:51:380
2214429114,16sleep022194-21df20:52:560
2110829114,15sleep021109-21memory00:08:230
1311729114,63sleep013115-21ntp_states23:43:290
2768629014,15sleep027706-21munin-node19:28:360
2418829013,16sleep024195-21ls00:18:100
23565999014,67cyclictest3568-21runrttasks00:06:170
23565998915,65cyclictest3568-21runrttasks20:01:100
23565998915,65cyclictest30564-21fschecks_time22:58:040
23565998915,64cyclictest2604-21munin-node21:32:540
23565998915,38cyclictest12131-21runrttasks23:40:530
23565998914,66cyclictest3268-21sshd23:54:590
23565998914,66cyclictest18703-21chrt22:22:150
23565998914,65cyclictest28821-21runrttasks22:53:030
23565998914,65cyclictest24185-21munin-node22:38:150
1387128914,15sleep03321-21lldpd22:07:340
3265128814,16sleep032653-21smartctl23:03:360
23565998815,64cyclictest308362sleep000:38:190
23565998814,65cyclictest3568-21runrttasks00:43:330
23565998814,38cyclictest19138-21munin-node20:43:070
23565998715,63cyclictest15692-21aten_r4power_po22:12:570
23565998715,36cyclictest11135-21munin-node20:18:150
23565998714,65cyclictest9069-21munin-node20:13:330
1004928714,15sleep010052-21timerwakeupswit21:53:390
2668928614,15sleep00-21swapper00:25:320
23565998615,62cyclictest31690-21munin-node19:42:560
23565998614,63cyclictest14719-21processes22:08:300
23565998514,62cyclictest3568-21runrttasks23:29:410
886028419,14sleep00-21swapper21:51:190
23565998414,61cyclictest3568-21runrttasks19:33:330
2121728314,56sleep021218-21smart_hda20:48:350
3065128014,52sleep030683-21grep19:38:220
23565998015,56cyclictest1058-21df_abs19:47:580
23565997614,53cyclictest29177-21cat00:33:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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