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2026-05-07 - 15:08
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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 Thu May 07, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18029915214,71cyclictest9682-21seq12:40:340
18029914715,43cyclictest1465-21munin-node12:15:240
18029914713,73cyclictest19926-21cpu09:54:320
363212618,28sleep0451-21perl07:14:390
30037211117,15sleep030052-21munin-node10:24:540
13600210414,18sleep013647-21munin-node09:34:410
31331210114,15sleep031334-21df10:29:350
20595210114,74sleep020615-21munin-node08:15:150
1802999714,73cyclictest13338-21munin-node07:54:300
506129614,15sleep00-21swapper12:27:350
3188629614,15sleep031898-21awk08:50:110
2326529614,15sleep023266-21diskstats10:04:390
1802999615,72cyclictest3568-21runrttasks12:29:400
2964729514,68sleep029661-21sh08:44:360
2665329514,15sleep026654-21iostat_ios08:34:500
3189229413,15sleep031910-21open_files12:10:050
2195529414,16sleep021956-21memory09:59:560
1802999414,71cyclictest12431-21runrttasks07:50:100
1214529413,15sleep012161-21if_err_eth011:09:450
585129314,16sleep05856-21ntp_states09:09:590
511629314,15sleep05168-21latency_hist09:09:210
1802999315,69cyclictest596-21fschecks_time08:54:420
1802999314,69cyclictest7932-21timerwakeupswit12:35:160
1802999314,69cyclictest6850-21munin-node09:14:320
1802999314,69cyclictest20101-21df_inode11:34:360
1515329315,15sleep015156-21df_inode09:39:360
1022329314,16sleep010262-21fschecks_count07:44:400
1802999215,68cyclictest3568-21runrttasks10:14:490
1802999215,68cyclictest2129-21fschecks_count08:59:400
2537729114,15sleep025396-21ntp_states11:49:590
2228029114,15sleep022299-21munin-node11:40:080
1802999114,68cyclictest3568-21runrttasks09:27:410
1802999114,68cyclictest22974-21munin-node08:25:030
1802999114,68cyclictest19321-21chrt11:30:300
1802999114,68cyclictest16658-21munin-node11:24:470
1674229114,16sleep016771-21df_inode09:44:350
2836429015,62sleep028392-21if_eth011:59:460
2152729014,16sleep021556-21df_inode08:19:350
1802999014,66cyclictest28261-21fschecks_time10:19:420
1802999014,40cyclictest3568-21runrttasks07:39:500
1802998914,66cyclictest3568-21runrttasks11:05:060
1802998914,66cyclictest24672-21munin-node10:09:340
1802998815,64cyclictest15088-21wget11:19:300
1802998814,64cyclictest6936-21munin-node10:54:300
1802998813,66cyclictest23142-21munin-node11:44:410
248628714,15sleep02484-21ntp_states07:20:020
2466828713,15sleep024727-21cpu08:29:320
1802998715,63cyclictest18193-21munin-node09:49:310
1802998714,64cyclictest17199-21chrt08:05:070
29732860,4sleep02971-21cat12:20:140
2804528613,15sleep03303-21ntpd08:39:370
1802998615,62cyclictest30795-21runrttasks12:06:350
1802998614,63cyclictest9056-21chrt10:59:530
1802998614,63cyclictest4026-21munin-node10:44:420
1802998614,62cyclictest10270-21munin-node12:44:330
1802998613,64cyclictest13415-21munin-node11:14:310
1802998514,62cyclictest15387-21munin-node07:59:530
1802998514,61cyclictest8271-21munin-run07:39:200
951928414,57sleep03250-21snmpd09:20:330
574928414,15sleep05769-21munin-node07:29:590
1802998413,61cyclictest2962-21unixbench_singl10:40:160
1802998413,35cyclictest12543-21switchtime09:30:110
1802998314,31cyclictest6096-21sensors10:50:090
1802998114,58cyclictest3503-21munin-node07:24:290
1802998114,31cyclictest728-21munin-node10:34:460
1802998014,29cyclictest18391-21fschecks_time08:09:400
2755027914,14sleep00-21swapper11:56:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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