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2025-12-28 - 00:46
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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 all highest latencies:
System rack4slot2.osadl.org (updated Sat Dec 27, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502290,0irq/45-4a10000016898-21kworker/0:107:05:090
190859910877,0cyclictest32733-21kworker/u2:1911:10:200
190859910784,0cyclictest22043-21/usr/sbin/munin08:50:180
190859910777,0cyclictest6834-21kernelversion11:15:320
190859910776,0cyclictest18077-21copy08:39:570
190859910686,0cyclictest32759-21/usr/sbin/munin10:56:390
190859910683,0cyclictest10809-21/usr/sbin/munin09:51:580
190859910677,0cyclictest9667-21/usr/sbin/munin08:14:590
190859910676,0cyclictest1354-21df09:25:180
190859910577,0cyclictest9271-1kworker/u3:210:14:260
190859910574,0cyclictest1548-21if_eth007:50:220
190859910485,0cyclictest23608-21df_inode08:55:110
190859910475,0cyclictest26665-21kworker/u2:507:31:040
190859910475,0cyclictest23219-21latency_hist07:19:520
190859910475,0cyclictest16419-21kworker/u2:112:31:250
190859910473,0cyclictest4813-21cat08:00:190
190859910470,0cyclictest8733-21/usr/sbin/munin11:20:510
190859910384,0cyclictest24940-21munin-node07:24:520
190859910380,0cyclictest25008-21/usr/sbin/munin09:00:010
190859910375,0cyclictest7700-1kworker/u3:108:13:230
190859910375,0cyclictest702-1kworker/u3:509:24:500
190859910375,0cyclictest30370-21/usr/sbin/munin07:40:130
190859910375,0cyclictest29202-21runrttasks12:20:440
190859910281,0cyclictest11397-21/usr/sbin/munin08:20:010
190859910278,0cyclictest15658-21awk08:30:440
190859910275,0cyclictest26659-21copy09:05:170
190859910273,0cyclictest30221-21/usr/sbin/munin10:49:580
190859910273,0cyclictest23118-21sendmail-msp07:19:440
190859910269,0cyclictest27381-21kworker/u2:1308:40:240
190859910182,0cyclictest23403-21wget10:29:590
190859910181,0cyclictest20584-21runrttasks07:13:140
190859910179,0cyclictest6752-21if_eth009:40:340
190859910178,0cyclictest14773-21/usr/sbin/munin10:05:030
190859910176,0cyclictest4209-1kworker/u3:111:08:060
190859910176,0cyclictest13846-1kworker/u3:011:36:520
190859910175,0cyclictest29687-1kworker/u3:109:17:150
190859910175,0cyclictest15483-1kworker/u3:111:45:230
190859910174,0cyclictest58-21kswapd010:34:510
190859910173,0cyclictest27013-21df_abs10:40:120
190859910170,0cyclictest1931-1kworker/u3:512:37:050
190859910083,0cyclictest20191-21sed08:45:100
190859910080,0cyclictest18731-21fw_forwarded_lo11:50:190
190859910078,0cyclictest1630-21perl11:00:270
190859910077,0cyclictest13263-21df08:25:050
190859910072,0cyclictest31893-21copy12:29:480
190859910071,0cyclictest20565-21meminfo10:20:450
19085999980,0cyclictest25428-21df_inode12:10:090
19085999980,0cyclictest20176-21cstates11:55:020
19085999979,0cyclictest27902-21users12:15:470
19085999979,0cyclictest24285-21grep12:05:460
19085999979,0cyclictest13556-21/usr/sbin/munin10:00:320
19085999979,0cyclictest12052-21ntp_offset09:55:440
19085999979,0cyclictest10411-21modprobe11:25:370
19085999978,0cyclictest29105-21/usr/sbin/munin10:45:330
19085999978,0cyclictest29056-21cat09:10:350
19085999977,0cyclictest3609-21mailstats07:55:420
19085999881,0cyclictest8631-21ntpq09:45:380
19085999881,0cyclictest22067-21perl10:25:160
19085999880,0cyclictest11892-21/usr/sbin/munin11:30:220
19085999879,0cyclictest21718-21runrttasks11:59:570
19085999879,0cyclictest14982-21/usr/sbin/munin11:40:030
19085999877,0cyclictest353-21/usr/sbin/munin07:45:470
19085999780,0cyclictest3124-21entropy09:30:150
19085999779,0cyclictest4827-21runrttasks09:35:110
19085999778,0cyclictest6185-21apt-get08:04:540
19085999777,0cyclictest28977-21memory07:35:330
19085999672,0cyclictest18233-21aten_r4power_en10:14:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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