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2026-09-15 - 15:04
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot8.osadl.org (updated Tue Sep 15, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24645212740,10sleep024643-21fw_conntrack19:05:250
255959917226,16cyclictest7091-21wget20:05:150
255959916640,107cyclictest3650irq/20-4900000000:22:110
255959916529,15cyclictest10250irq/56-4a10000022:08:070
255959916245,107cyclictest11637-21runrttasks20:23:140
255959916220,121cyclictest787-21haveged00:30:040
255959916219,16cyclictest13238-21wget20:30:140
255959916123,118cyclictest6837-21gpgv00:20:060
255959916046,94cyclictest10150irq/55-4a10000022:25:410
255959915911,19cyclictest1408-21nginx19:21:170
25595991588,35cyclictest1305-21snmpd20:11:310
255959915814,122cyclictest1-21systemd00:00:010
255959915732,113cyclictest23832-21apt-get23:17:070
255959915716,16cyclictest32168-21latency_hist21:45:030
25595991567,39cyclictest1305-21snmpd20:28:140
255959915628,111cyclictest3650irq/20-4900000000:10:190
255959915623,15cyclictest4240-21diskstats22:00:350
25595991559,18cyclictest2447-21wc19:45:430
255959915551,94cyclictest3370-21/usr/sbin/munin00:05:270
255959915539,103cyclictest19364-21ntpq23:00:420
25595991548,22cyclictest16451-21/usr/sbin/munin22:50:470
255959915446,90cyclictest22983-21latency_hist23:15:040
255959915439,102cyclictest801-21dbus-daemon21:40:020
255959915438,104cyclictest519-21latency_hist23:55:030
255959915433,108cyclictest16706-21seq20:44:010
25595991538,18cyclictest28064-21munin-run19:20:010
25595991538,18cyclictest27228-21uname23:30:430
255959915331,111cyclictest754-21systemd-journal00:32:330
255959915322,21cyclictest1305-21snmpd21:23:260
255959915310,17cyclictest567-21apt19:40:000
25595991526,17cyclictest16830-21apt-get20:47:070
255959915242,93cyclictest10150irq/55-4a10000020:55:400
255959915241,98cyclictest24746-21runrttasks23:21:020
255959915235,105cyclictest26645-21seq23:29:330
255959915223,13cyclictest10250irq/56-4a10000023:05:160
255959915221,13cyclictest0-21swapper/021:13:260
255959915218,14cyclictest31507-21sshd19:32:380
255959915122,22cyclictest1305-21snmpd21:48:310
25595991508,20cyclictest29192-21munin-plugin-st23:40:020
255959915036,101cyclictest5793-21wget20:00:140
255959915030,103cyclictest10250irq/56-4a10000019:10:130
255959915029,108cyclictest15360-21runrttasks20:38:170
25595991498,18cyclictest11558-21wget00:35:340
25595991497,16cyclictest4681-21diskstats19:55:210
255959914929,108cyclictest9661-21diskstats20:15:200
25595991489,19cyclictest6535-21wget22:10:140
255959914843,94cyclictest31648-21runrttasks23:49:460
25595991477,28cyclictest1305-21snmpd21:33:290
255959914730,105cyclictest22808-21seq21:05:440
255959914728,107cyclictest754-21systemd-journal22:23:110
255959914727,109cyclictest2010-21node19:41:190
255959914632,96cyclictest3650irq/20-4900000021:50:170
255959914630,104cyclictest14675-21sshd22:41:310
255959914627,11cyclictest0-21swapper/019:52:420
255959914623,21cyclictest12798-21grep22:35:140
255959914611,26cyclictest29363-21wget23:40:200
255959914610,19cyclictest801-21dbus-daemon23:00:010
255959914534,100cyclictest2747-21ntp_states21:55:410
255959914532,100cyclictest28131-21sshd21:27:320
255959914530,16cyclictest15558-21ntp_kernel_err22:45:360
255959914513,22cyclictest21157-21wget21:00:140
255959914429,104cyclictest18693-21cpu20:50:150
255959914335,97cyclictest24820-21aten_r7power_en21:15:100
25595991419,17cyclictest7716-21/usr/sbin/munin22:15:430
255959914139,90cyclictest12657-21latency_hist22:35:030
25595991399,22cyclictest30623-21cat19:30:030
25595991379,21cyclictest2128-21diskstats00:00:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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