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2026-05-22 - 22:14
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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 Fri May 22, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7603224460,14sleep01065-1kworker/u3:607:01:170
88899917320,127cyclictest14196-21apt-get09:51:180
88899917016,128cyclictest29702-21apt-get10:36:180
88899916922,103cyclictest1327-21users09:12:470
88899916718,126cyclictest3639-21ssh10:54:100
88899916718,124cyclictest26789-21memory10:27:210
88899916618,124cyclictest21459-21fw_conntrack10:12:000
88899916519,103cyclictest8501-21users11:07:450
88899916518,121cyclictest4992-21ntp_states12:32:330
88899916516,125cyclictest19356-21apt-get10:06:190
88899916515,124cyclictest23037-21/usr/sbin/munin11:52:390
88899916418,121cyclictest1047-21fw_conntrack10:47:000
88899916416,122cyclictest908-21apt-get12:21:140
88899916416,107cyclictest30450-21memory12:12:200
88899916319,104cyclictest26493-21apt-get12:01:190
88899916318,102cyclictest31515-21fw_packets09:07:030
88899916317,120cyclictest18173-21memory10:02:130
88899916316,122cyclictest21213-21munin-run11:45:580
88899916217,104cyclictest32361-21ssh10:42:450
88899916216,122cyclictest9293-21apt-get11:11:180
88899916216,107cyclictest25169-21fw_conntrack11:57:030
88899916215,122cyclictest6209-21ntp_states09:27:280
88899916214,124cyclictest2637-21apt-get12:26:180
88899916214,105cyclictest13981-21/usr/sbin/munin07:31:200
88899916120,118cyclictest22854-21users08:17:040
88899916120,115cyclictest5859-21apt-get11:01:190
88899916118,118cyclictest10762-21apt-get09:41:150
88899916117,119cyclictest7751-21irqstats09:32:070
88899916040,100cyclictest18562-21open_inodes11:37:310
88899916035,90cyclictest4441-21missed_timers09:22:210
88899916018,103cyclictest32593-21users12:17:450
88899916017,120cyclictest28207-21apt-get12:06:130
88899916017,118cyclictest9041-21apt-get09:36:220
88899916015,121cyclictest16546-21fw_conntrack11:31:560
88899916013,122cyclictest23882-21/usr/sbin/munin08:27:030
88899916013,103cyclictest23161-21df_inode10:16:470
88899915921,115cyclictest12741-21apt-get11:21:170
88899915915,122cyclictest2149-21apt-get09:16:160
88899915913,121cyclictest25724-21wget08:36:180
88899915819,109cyclictest20682-21memory08:06:470
88899915816,117cyclictest5814-21ssh11:01:040
88899915815,121cyclictest11294-21df11:16:400
88899915813,122cyclictest14459-21apt-get11:26:170
88899915716,99cyclictest12818-21/usr/sbin/munin09:46:460
88899915710,123cyclictest1700-21sendmail-mta08:58:560
88899915616,98cyclictest15923-21apt-get09:56:210
88899915615,100cyclictest28418-21irqstats10:32:050
88899915613,118cyclictest9996-21df07:11:110
88899915611,121cyclictest21481-21wget11:46:310
88899915515,97cyclictest28238-21users08:47:030
88899915514,115cyclictest15652-21users07:37:040
88899915513,118cyclictest24552-21ssh10:21:130
88899915416,99cyclictest9745-21users07:07:040
88899915410,121cyclictest23688-21grep08:22:020
8889991538,120cyclictest30987-21diskmemload09:05:570
88899915321,107cyclictest13086-21apt-get07:26:120
88899915317,110cyclictest26595-21apt-get08:41:120
88899915310,120cyclictest16792-21grep07:46:210
88899915310,100cyclictest25260-21ntp_states08:31:550
8889991528,120cyclictest17991-21cat07:51:470
88899915243,91cyclictest11884-21sendmail_mailqu07:16:570
88899915239,93cyclictest29045-21timerandwakeup08:51:590
88899915220,109cyclictest21982-21munin-run08:15:570
88899915214,115cyclictest19354-21latency_hist08:01:000
88899915211,117cyclictest12916-21grep07:22:000
8889991499,117cyclictest16443-21sort07:42:000
88899914813,96cyclictest19423-21aten_r5power_en08:01:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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