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2026-03-19 - 07:23
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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 Thu Mar 19, 2026 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12596210340,9sleep012595-21/usr/sbin/munin19:05:170
135859916829,118cyclictest17678-21apt-get19:26:360
135859916344,107cyclictest21294-21runrttasks23:50:370
135859916323,119cyclictest1285-21lldpd23:27:100
13585991617,119cyclictest4212-21sh22:45:010
135859915942,106cyclictest31766-21/usr/sbin/munin22:25:450
13585991587,99cyclictest862-21df20:25:150
13585991576,96cyclictest7199-21ntp_states22:55:400
135859915637,100cyclictest24121-21runrttasks00:01:150
135859915634,106cyclictest10250irq/56-4a10000023:18:500
13585991558,99cyclictest32341-21df00:35:150
13585991558,109cyclictest21043-21ntp_states19:35:390
13585991557,110cyclictest16413-21cron19:20:010
13585991548,91cyclictest15551-21apt-get21:27:080
13585991548,124cyclictest1305-21snmpd22:47:360
13585991547,90cyclictest17914-21apt-get23:42:100
13585991547,89cyclictest13518-21apt-get19:12:040
135859915419,116cyclictest26044-21wget00:10:160
135859915417,118cyclictest19698-21wget23:45:130
13585991538,123cyclictest24770-21/usr/sbin/munin22:00:430
135859915335,103cyclictest10250irq/56-4a10000023:10:110
135859915326,108cyclictest1305-21snmpd20:14:140
13585991527,87cyclictest29641-21apt-get22:18:160
13585991527,106cyclictest754-21systemd-journal20:55:280
13585991519,123cyclictest16785-21/usr/sbin/munin23:35:120
13585991517,125cyclictest7137-21diskstats20:50:200
13585991516,85cyclictest30011-21apt-get22:22:100
13585991509,104cyclictest1305-21snmpd00:31:270
13585991509,103cyclictest28373-21munin-run22:15:040
13585991507,123cyclictest13764-21seq21:15:480
13585991507,103cyclictest26753-21cron20:00:000
135859915042,97cyclictest22476-21runrttasks23:55:360
135859915036,102cyclictest2010-21node22:36:000
13585991497,124cyclictest17712-21https19:25:060
13585991497,106cyclictest1305-21snmpd00:20:310
13585991496,107cyclictest3396-21seq20:35:210
135859914936,101cyclictest801-21dbus-daemon22:35:010
13585991488,122cyclictest5601-21grep22:50:110
13585991487,107cyclictest23740-21fw_conntrack21:55:240
13585991487,105cyclictest1305-21snmpd19:44:090
135859914831,97cyclictest15576-21grep23:30:120
135859914824,106cyclictest26950-21wget20:00:120
13585991479,100cyclictest4537-21wget20:40:130
13585991478,101cyclictest19979-21df21:40:150
135859914726,110cyclictest19649-21seq19:30:230
13585991468,119cyclictest22787-21seq21:50:450
13585991466,119cyclictest1305-21snmpd21:04:250
135859914626,102cyclictest23211-21wget19:45:130
135859914621,89cyclictest1408-21nginx23:08:070
135859914550,84cyclictest535-21cron20:25:000
135859914523,109cyclictest28162-21wget20:05:130
13585991447,85cyclictest11399-21chrt21:06:430
13585991439,92cyclictest25005-21memory00:05:350
13585991439,113cyclictest17753-21/usr/sbin/munin21:30:430
13585991437,122cyclictest27934-21apt-get00:17:080
13585991436,118cyclictest1305-21snmpd20:34:190
13585991429,120cyclictest18844-21memory21:35:330
13585991427,96cyclictest1351-21lldpd19:51:340
135859914251,74cyclictest10150irq/55-4a10000021:10:250
135859914210,91cyclictest13671-21users23:20:480
13585991417,90cyclictest30995-21ntp_states20:15:380
135859913940,88cyclictest14983-21sendmail_mailtr21:20:470
135859913931,96cyclictest30348-21seq00:26:140
13585991389,117cyclictest8310-21fw_forwarded_lo23:00:270
135859913826,100cyclictest26751-21runrttasks22:06:500
13585991379,115cyclictest5991-21irqstats20:45:310
135859913335,87cyclictest1276-21runrttasks21:45:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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