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2025-06-14 - 22:27
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot7.osadl.org (updated Sat Jun 14, 2025 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29741224342190,95sleep00-21swapper05:47:330
299159916917,121cyclictest15111-21apt-get09:19:100
299159916618,120cyclictest13065-21ntp_states07:14:540
299159916516,108cyclictest18986-21apt-get11:09:120
299159916513,126cyclictest20460-21/usr/sbin/munin09:35:200
299159916416,122cyclictest13513-21apt-get09:14:150
299159916415,126cyclictest31725-21ssh10:10:240
299159916415,126cyclictest26241-21apt-get09:54:130
299159916415,121cyclictest811-21apt-get08:34:090
299159916412,108cyclictest18923-21apt-get07:49:120
299159916318,121cyclictest18293-21apt-get09:29:140
299159916317,121cyclictest24744-21wget09:49:240
299159916316,122cyclictest8683-21munin-run08:58:500
299159916315,123cyclictest7065-21apt-get10:34:110
299159916312,124cyclictest31646-21/usr/sbin/munin08:29:520
299159916217,106cyclictest29438-21apt-get10:04:110
299159916215,123cyclictest3664-21/usr/sbin/munin10:25:180
299159916215,120cyclictest20694-21apt-get11:14:140
299159916118,120cyclictest32765-21apt-get10:14:090
299159916117,120cyclictest20468-21apt-get07:54:150
299159916116,120cyclictest28673-21df08:19:320
299159916116,120cyclictest2468-21apt-get08:39:140
299159916113,124cyclictest8780-21apt-get10:39:110
299159916112,126cyclictest27110-21df_abs08:14:400
299159916112,124cyclictest13883-21/usr/sbin/munin10:55:360
299159916016,119cyclictest16685-21apt-get09:24:150
299159916016,104cyclictest10830-21ssh10:44:460
299159916015,104cyclictest4071-21apt-get08:44:090
299159916014,120cyclictest21700-21ls09:39:320
29915991598,126cyclictest6294-21wc08:50:280
299159915919,114cyclictest5363-21apt-get10:29:130
299159915917,118cyclictest17125-21ssh11:03:390
299159915913,103cyclictest11088-21/usr/sbin/munin09:05:420
299159915910,125cyclictest12177-21ssh09:09:310
299159915910,124cyclictest25734-21missed_timers08:10:110
299159915813,120cyclictest1994-21/usr/sbin/munin10:19:470
299159915813,105cyclictest7890-21wc06:44:570
29915991579,121cyclictest28255-21irqstats09:59:560
299159915717,116cyclictest23080-21apt-get09:44:210
299159915717,116cyclictest17299-21apt-get11:04:110
299159915636,101cyclictest17353-21df07:39:240
299159915618,115cyclictest3804-21df06:24:220
299159915616,116cyclictest23569-21ssh08:03:570
299159915616,102cyclictest18799-21munin-run07:48:510
299159915615,119cyclictest12175-21/usr/sbin/munin10:49:030
299159915615,117cyclictest22137-21/usr/sbin/munin07:59:210
299159915610,121cyclictest30132-21grep08:24:210
299159915517,116cyclictest8813-21/usr/sbin/munin08:59:500
299159915439,94cyclictest3333-21switchtime06:19:530
299159915412,117cyclictest7048-21head06:39:570
299159915410,102cyclictest729-21grep06:04:560
299159915333,101cyclictest15372-21grep07:29:130
299159915318,112cyclictest16985-21munin-run07:38:500
299159915317,96cyclictest6183-21munin-run06:38:500
299159915315,114cyclictest1995-21df06:14:220
299159915315,114cyclictest14431-21tr07:24:130
299159915312,115cyclictest31029-21wc05:54:010
299159915311,103cyclictest32266-21grep05:59:580
299159915216,97cyclictest11009-21df07:04:200
299159915216,112cyclictest869-21apt-get06:09:050
299159915216,111cyclictest4487-21apt-get06:29:080
299159915212,100cyclictest30906-21munin-node05:53:550
299159915210,119cyclictest22272-21snmpd07:19:120
299159915116,111cyclictest11692-21apt-get07:09:080
299159915110,115cyclictest8083-21/usr/sbin/munin06:49:510
299159915016,111cyclictest8984-21apt-get06:54:120
29915991499,117cyclictest10368-21ntp_kernel_pll_06:59:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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