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2026-05-13 - 11:51
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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 100 highest latencies:
System rack4slot3.osadl.org (updated Wed May 13, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18538210714,80sleep018570-21netstat19:50:290
2966321040,4sleep029664-21expr22:05:150
14824210314,16sleep014853-21munin-node21:20:090
13982210314,17sleep013993-21sensors_volt21:15:430
7399210214,75sleep07416-21ntpq22:35:340
1002210214,75sleep01007-21munin-node22:15:430
3181529914,16sleep031830-21sensors22:10:450
2611929914,15sleep026174-21munin-node20:15:050
1018129914,16sleep010250-21tune2fs21:05:150
8241999814,74cyclictest28271-21if_eth023:40:210
533529814,71sleep05352-21df_abs22:30:100
2494229814,24sleep024624-21munin-node23:30:170
8241999714,74cyclictest16136-21seq23:02:450
8241999614,73cyclictest17921-21latency_hist19:49:550
3151429614,15sleep031523-21needreboot20:30:310
2815829614,15sleep028171-21kernelversion20:20:280
2668329614,16sleep026245-21munin-node23:35:270
2467829614,17sleep024679-21entropy20:10:120
1200629614,16sleep012007-21iostat_ios21:10:250
8241999516,70cyclictest32725-21munin-node23:55:390
270329514,16sleep02729-21sensors_temp00:00:440
1685829514,16sleep016911-21perl00:45:170
1375329514,15sleep013760-21ntp_states19:35:350
913929415,16sleep09150-21munin-node21:00:460
740129415,17sleep07447-21ls19:15:320
367529419,16sleep03699-21fschecks_count20:45:130
1561829413,16sleep015616-21ntp_states00:40:380
1383529414,15sleep013853-21netstat22:55:330
8241999315,68cyclictest13657-21tune2fs00:35:180
8241999314,69cyclictest3639-21munin-node22:25:060
2363729314,16sleep023643-21ntp_states23:25:360
1206329314,16sleep012075-21iostat22:50:230
846429214,16sleep08467-21diskstats19:20:120
2196829215,16sleep022002-21ntp_kernel_pll_23:20:350
1737729214,15sleep017413-21date23:05:500
1067429214,16sleep010677-21ntp_states22:45:380
1008529213,16sleep010088-21diskstats19:25:120
8241999115,66cyclictest25552-21munin-node21:50:530
8241999115,66cyclictest16598-21munin-node21:25:080
8241999114,68cyclictest29341-21aten_r4power_cu20:25:050
675229114,16sleep06759-21munin-run00:14:560
3268129113,15sleep032737-21df20:35:080
2873629114,15sleep028770-21unixbench_singl22:00:530
8241999014,67cyclictest8379-21latency_hist00:19:560
3230229014,15sleep00-21swapper23:52:230
8241998916,63cyclictest20273-21munin-node19:55:380
8241998914,65cyclictest10673-21grep00:25:320
8241998914,37cyclictest9554-21seq22:41:560
2088728914,15sleep00-21swapper23:16:470
8241998814,65cyclictest27008-21switchtime21:55:470
8241998814,65cyclictest23068-21cpu21:45:080
8241998814,65cyclictest21512-21fschecks_time20:00:150
8241998714,64cyclictest2165-21fschecks_time22:20:170
8241998713,66cyclictest1876-21cpu20:40:050
462728713,15sleep00-21swapper00:05:550
8241998614,63cyclictest3568-21runrttasks20:05:290
8241998614,63cyclictest18830-21proc_pri23:10:450
8241998614,63cyclictest11735-21munin-node00:30:410
8241998515,60cyclictest19986-21cut21:35:170
8241998514,62cyclictest29553-21munin-node23:45:070
2152028513,15sleep021533-21forks21:40:150
1149628514,15sleep00-21swapper19:30:030
8241998314,60cyclictest7024-21munin-node20:55:160
8241998314,60cyclictest3568-21runrttasks20:50:470
8241998314,60cyclictest14741-21munin-node19:40:260
8241998215,58cyclictest8499-21munin-node00:20:590
1916328014,15sleep00-21swapper21:31:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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