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2026-05-18 - 23:24
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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 Mon May 18, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2021928320,4sleep020217-21df07:15:430
2777921070,4sleep027780-21awk12:36:280
3014221030,4sleep030143-21sed11:05:480
2868929613,16sleep028716-21if_err_eth011:00:530
21675999620,66cyclictest18334-21seq12:08:380
21675999618,69cyclictest15706-21sh08:40:570
21675999615,72cyclictest3568-21runrttasks12:35:240
21675999615,72cyclictest3568-21runrttasks10:07:530
21675999614,72cyclictest4868-21which11:26:170
110529615,16sleep01106-21iostat_ios09:35:570
2882529514,16sleep028843-21open_files07:41:130
21675999515,71cyclictest18730-21seq08:50:470
21675999514,71cyclictest23994-21munin-node09:06:080
21675999514,71cyclictest10334-21seq10:05:100
21675999419,65cyclictest23701-21if_eth007:25:550
21675999414,71cyclictest3639-21sshd09:43:230
21675999414,71cyclictest21734-21latency_hist09:00:300
21675999414,71cyclictest14540-21munin-node10:16:200
21675999414,70cyclictest3568-21runrttasks12:17:230
3000329314,16sleep030006-21diskstats07:45:460
21675999317,66cyclictest27490-21sendmail_mailst10:56:180
21675999315,68cyclictest11058-21ntpq08:26:100
21675999314,70cyclictest9714-21sendmail_mailqu11:41:170
21675999314,70cyclictest7286-21latency_hist11:35:300
281529214,16sleep02839-21iostat11:20:560
2551629214,16sleep025522-21load09:11:030
21675999219,63cyclictest18408-21pluginstate08:50:290
21675999214,68cyclictest30582-21ls12:46:070
3007529114,16sleep030079-21df_inode09:25:460
21675999119,62cyclictest27251-21seq09:16:090
21675999118,64cyclictest13933-21fschecks_count08:35:490
21675999115,67cyclictest755-21munin-node11:15:420
21675999115,67cyclictest3926-21munin-node08:06:230
21675999114,68cyclictest630-21latency_hist09:35:300
21675999114,68cyclictest3568-21runrttasks09:46:030
21675999114,68cyclictest26808-21fschecks_count07:35:490
21675999114,68cyclictest25561-21munin-node07:31:080
21675999114,68cyclictest18677-21munin-node12:10:400
21675999114,68cyclictest12761-21processes08:31:160
21675999114,67cyclictest21877-21munin-node10:40:400
21675999114,67cyclictest16991-21munin-node10:25:400
1255129115,16sleep03303-21ntpd10:11:010
827529014,16sleep08263-40yum-updatesd-he08:17:080
2552629014,16sleep025528-21irqstats10:51:000
21675999014,67cyclictest6289-21open_files09:51:130
21675999014,67cyclictest31798-21if_err_eth007:50:540
21675999014,67cyclictest23907-21runrttasks10:46:010
21675999014,67cyclictest22599-21munin-node12:21:140
21675999014,67cyclictest20799-21netstat10:36:060
21675998915,65cyclictest15370-21aten_r4power_cu10:20:400
21675998914,66cyclictest23548-21munin-node12:25:420
21675998914,40cyclictest3568-21runrttasks12:01:170
794528814,16sleep07963-21ntp_states11:36:070
21675998814,66cyclictest23324-21latency_hist09:05:290
21675998814,65cyclictest8798-21munin-node08:21:000
21675998724,54cyclictest21956-21fschecks_count07:20:500
21675998720,58cyclictest31957-21cat11:10:550
21675998716,61cyclictest198402sleep010:33:170
21675998714,64cyclictest12832-21munin-node11:51:090
21675998714,63cyclictest5563-21aten_r4power_cu08:10:390
21675998614,63cyclictest2442-21sed08:00:440
21675998613,37cyclictest7394-21cpu09:55:420
21675998530,46cyclictest41ktimersoftd/011:55:500
21675998314,60cyclictest28934-21open_inodes09:21:140
21675998313,61cyclictest10769-21df_abs11:45:450
21675998226,47cyclictest3250-21snmpd07:56:260
21675998215,58cyclictest28863-21munin-node12:41:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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