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2026-05-04 - 17:30
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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 Mon May 04, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
84222874149,374sleep08205-21kworker/0:219:10:010
8491991676,97cyclictest22855-21apt-get00:18:170
8491991646,115cyclictest7079-21apt-get23:17:080
84919916341,105cyclictest10250irq/56-4a10000023:23:140
84919916135,109cyclictest10250irq/56-4a10000000:39:280
8491991607,91cyclictest24143-21apt-get22:22:130
84919916046,94cyclictest3650irq/20-4900000023:42:130
8491991598,102cyclictest1441-21wget22:55:200
8491991597,130cyclictest1305-21snmpd22:51:220
84919915929,94cyclictest10250irq/56-4a10000022:31:170
84919915929,108cyclictest17297-21sendmail_mailqu21:50:450
84919915910,100cyclictest17802-21munin-run00:00:030
84919915836,104cyclictest10250irq/56-4a10000023:09:080
84919915731,108cyclictest10250irq/56-4a10000020:22:240
8491991566,94cyclictest23398-21ntp_states22:15:420
84919915610,123cyclictest18219-21df21:55:180
84919915539,105cyclictest32408-21runrttasks20:44:110
84919915539,105cyclictest26580-21sshd22:26:210
84919915523,108cyclictest11847-21aten_r7power_cu21:30:110
84919915520,117cyclictest20582-21wget00:10:170
84919915513,106cyclictest1408-21nginx23:53:170
8491991549,104cyclictest23746-21fw_conntrack20:10:240
8491991548,92cyclictest20824-21irqstats22:05:310
84919915429,103cyclictest1206-21runrttasks20:49:100
8491991528,128cyclictest6321-21seq21:10:010
8491991527,86cyclictest6317-21apt-get21:12:080
8491991519,87cyclictest23752-21ntp_states00:20:420
84919915055,87cyclictest17398-21aten_r7power_vo19:45:140
84919915033,105cyclictest4314-21ntpq21:00:350
84919915012,120cyclictest14520-21diskstats21:40:220
8491991498,121cyclictest25586-21sshd00:26:390
8491991498,119cyclictest1408-21nginx21:37:400
8491991497,105cyclictest11169-21wget19:20:120
84919914923,106cyclictest1305-21snmpd00:31:480
84919914917,111cyclictest16176-21wget19:40:140
8491991488,97cyclictest8458-21ntp_states21:15:420
8491991488,116cyclictest30378-21ntpq22:40:370
8491991487,105cyclictest16467-21sendmail-mta21:48:170
8491991486,123cyclictest5952-21chrt23:13:000
84919914835,101cyclictest9708-21ntpq21:20:350
84919914825,107cyclictest21346-21seq20:00:320
8491991478,97cyclictest3399-21sshd23:02:220
8491991477,86cyclictest27148-21apt-get20:27:060
84919914739,94cyclictest29721-21sshd20:32:360
8491991469,97cyclictest1305-21snmpd23:35:120
8491991466,99cyclictest1305-21snmpd22:45:160
8491991466,119cyclictest1608-21ntpd23:25:380
84919914624,86cyclictest18931-21ntp_states19:50:400
8491991456,105cyclictest22433-21cpu20:05:150
84919914528,106cyclictest25518-21apt-get20:17:070
84919914514,97cyclictest18064-21wget00:00:120
8491991449,92cyclictest19967-21df19:55:180
8491991448,95cyclictest754-21systemd-journal22:38:210
8491991448,83cyclictest1840-21ntp_states20:50:410
8491991447,95cyclictest15101-21irqstats19:35:330
8491991447,117cyclictest1305-21snmpd22:10:240
84919914443,89cyclictest14761-21latency_hist19:35:040
84919914432,100cyclictest10485-21awk23:30:450
84919914428,103cyclictest30247-21wget20:35:170
8491991439,90cyclictest3818-21munin-plugin-st21:00:010
8491991438,92cyclictest14397-21diskstats23:45:220
8491991429,120cyclictest10576-21/usr/sbin/munin21:25:270
84919914210,91cyclictest10416-21users19:15:480
8491991416,120cyclictest19403-21diskstats00:05:250
84919914120,108cyclictest8663-21runrttasks19:10:150
8491991406,116cyclictest20296-21runrttasks22:04:090
84919914038,91cyclictest12551-21seq19:25:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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