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2026-04-14 - 21:01
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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 Apr 14, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17957210916,20sleep018036-21cpu07:12:080
21684210614,16sleep021685-21memory07:22:290
10417210614,29sleep010444-21latency10:07:300
31501210514,78sleep031517-21missed_timers09:32:340
30042210214,16sleep030067-21munin-node09:27:440
25071210114,17sleep025077-21iostat_ios12:32:260
32558210014,16sleep032564-21munin-run11:16:580
21886210014,15sleep03347-21lldpd09:02:390
195339910015,75cyclictest1960-21tune2fs08:02:170
195339910014,76cyclictest7305-21runrttasks08:17:400
282572990,4sleep028258-21basename12:42:250
93529814,15sleep0966-21cat07:57:500
2817929814,15sleep028195-21munin-node07:42:330
19533999814,74cyclictest18272-21munin-node12:12:110
1842329815,16sleep018426-21iostat08:52:240
2638529714,16sleep026389-21hddtemp_smartct07:37:200
2450629715,17sleep024550-40yum-updatesd09:12:090
2322829615,16sleep023229-21irqstats07:27:270
19533999615,71cyclictest5149-21cpu08:12:090
1828129614,16sleep018284-21df_inode10:32:140
1555129615,16sleep015547-21ntp_states12:02:380
701129514,16sleep07017-21diskstats11:37:140
2999329514,16sleep030034-21awk11:07:350
2026629514,16sleep03321-21lldpd08:57:390
2021729514,16sleep020220-21irqstats12:17:270
19533999514,71cyclictest15221-21munin-node10:22:230
737129414,16sleep07369-21ntp_states09:57:380
19533999415,70cyclictest3568-21runrttasks08:24:030
19533999414,71cyclictest1097-21threads11:17:510
1185729415,15sleep011862-21hddtemp_smartct08:32:180
2477329314,16sleep024776-21diskstats10:52:150
1321029314,16sleep013261-21egrep08:37:110
3008029214,15sleep030091-21swap07:47:470
2014429215,16sleep020147-21irqstats10:37:300
19533999214,69cyclictest23120-21fschecks_count09:07:160
19533999214,68cyclictest5210-21munin-node09:52:100
1416329214,16sleep014175-21sed10:17:550
2691029114,16sleep026908-21ntp_states12:37:400
230629115,16sleep02311-21iostat_ios11:22:270
19533999114,68cyclictest22970-21cut10:47:090
19533999114,68cyclictest15413-21munin-node08:42:420
19533999114,68cyclictest12209-21missed_timers11:52:330
19533999113,69cyclictest8802-21munin-node11:42:250
393729013,15sleep03977-21if_eth011:27:250
19533999015,66cyclictest23282-21munin-node12:27:190
19533999014,66cyclictest17169-21munin-node08:47:450
19533998914,69cyclictest9873-21latency_hist10:06:570
19533998914,68cyclictest32412-21latency_hist07:56:560
19533998914,66cyclictest11841-21fschecks_count10:12:170
19533998914,40cyclictest26188-21munin-node10:57:170
19533998815,64cyclictest16627-21aten_r4power_vo12:07:090
19533998814,65cyclictest19575-21aten_r4power_cu07:17:060
19533998715,63cyclictest27757-21hostname09:22:080
19533998714,64cyclictest5323-21cpu11:32:120
19533998714,36cyclictest10501-21munin-node08:27:350
19533998614,62cyclictest3568-21runrttasks10:44:060
19533998613,64cyclictest4380-21timerandwakeup09:47:530
301028513,19sleep00-21swapper09:44:190
2916528513,19sleep00-21swapper11:05:460
19533998514,62cyclictest21743-21fschecks_time12:22:200
137628514,15sleep00-21swapper09:39:300
475728414,14sleep00-21swapper08:10:380
19533998414,61cyclictest26115-21munin-node09:17:070
1126228414,15sleep00-21swapper11:49:330
2554928314,15sleep03250-21snmpd07:33:540
19533998314,34cyclictest13643-21hddtemp_smartct11:57:210
1750128314,15sleep00-21swapper10:28:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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