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2026-05-02 - 13:45
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Sat May 02, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6394224630,14sleep04094-1kworker/u3:119:02:160
75989917018,126cyclictest31128-21apt-get22:47:140
75989917015,112cyclictest30787-21apt-get21:12:130
75989916818,126cyclictest12475-21apt-get23:27:150
75989916719,122cyclictest7308-21apt-get23:12:160
75989916716,124cyclictest9043-21/usr/sbin/munin23:18:020
75989916714,127cyclictest7034-21ssh21:37:230
75989916618,106cyclictest22019-21users23:53:470
75989916514,112cyclictest22982-21ssh22:23:070
75989916419,120cyclictest25102-21memory00:03:260
75989916417,122cyclictest25964-21apt-get22:32:200
75989916318,118cyclictest14195-21apt-get23:32:120
75989916318,102cyclictest2395-21apt-get00:32:130
75989916218,120cyclictest24237-21apt-get22:27:200
75989916218,119cyclictest30647-21users00:18:470
75989916218,101cyclictest29049-21apt-get21:07:160
75989916216,123cyclictest2153-21apt-get22:57:190
75989916216,121cyclictest17605-21df22:07:390
75989916118,117cyclictest13905-21apt-get21:57:160
75989916117,120cyclictest22813-21apt-get23:57:130
75989916116,104cyclictest27961-21apt-get00:12:190
75989916114,123cyclictest17645-21/usr/sbin/munin23:43:350
75989916113,124cyclictest4325-21ssh23:03:080
75989916016,119cyclictest16072-21irqstats22:03:040
75989916016,119cyclictest10792-21df_inode21:47:480
75989915920,117cyclictest11214-21irqstats23:23:050
75989915917,120cyclictest2156-21df_inode21:22:450
75989915916,122cyclictest8453-21users19:08:050
75989915916,121cyclictest12169-21apt-get21:52:130
75989915916,118cyclictest19357-21apt-get23:47:140
75989915915,119cyclictest5577-21apt-get23:07:140
75989915914,120cyclictest21245-21irqstats22:18:020
75989915913,124cyclictest1608-21users00:28:400
75989915913,122cyclictest31414-21/usr/sbin/munin00:22:350
75989915910,124cyclictest17044-21ssh23:39:320
75989915832,105cyclictest14837-21grep19:47:260
75989915822,110cyclictest24742-21df20:42:260
75989915813,122cyclictest27024-21/usr/sbin/munin00:08:370
75989915813,120cyclictest16316-21munin-run19:56:550
75989915812,103cyclictest28661-21vmstat22:38:480
75989915716,99cyclictest8727-21apt-get21:42:220
75989915715,102cyclictest29415-21apt-get22:42:120
75989915617,97cyclictest23521-21munin-run20:36:560
75989915616,101cyclictest5252-21/usr/sbin/munin21:32:590
75989915614,117cyclictest3531-21apt-get21:27:160
75989915614,103cyclictest19589-21memory22:13:120
75989915611,121cyclictest10132-21apt-get19:22:090
75989915519,97cyclictest13309-21ntp_states19:37:500
75989915514,117cyclictest32570-21ssh21:17:210
7598991549,120cyclictest25868-21ntpdc20:47:450
75989915435,94cyclictest19727-21grep20:12:560
75989915434,98cyclictest26907-21find20:52:550
75989915417,112cyclictest16639-21df19:57:260
75989915413,99cyclictest778-21fw_conntrack22:52:590
75989915412,105cyclictest17584-21df_abs20:02:270
75989915411,103cyclictest28385-21sed21:02:260
75989915312,116cyclictest18676-21ntp_kernel_pll_20:07:480
75989915216,95cyclictest9637-21memory19:17:410
75989915212,118cyclictest24328-21cat20:37:580
75989915212,114cyclictest11075-21wget19:27:160
75989915118,107cyclictest13730-21apt-get19:42:080
75989915116,110cyclictest20936-21apt-get20:22:110
75989915115,114cyclictest20037-21apt-get20:17:080
75989915112,116cyclictest22571-21grep20:28:000
75989915016,110cyclictest11919-21apt-get19:32:090
75989914915,110cyclictest8683-21munin-node19:12:160
75989914912,114cyclictest28059-21grep21:01:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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