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2025-11-21 - 05:26
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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 all highest latencies:
System rack4slot2.osadl.org (updated Fri Nov 21, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502120,0irq/45-4a10000016192-21kworker/0:319:03:340
181809910670,0cyclictest12184-21/usr/sbin/munin20:23:370
181809910669,0cyclictest20229-21users22:19:300
181809910668,0cyclictest30305-21mailstats22:49:260
181809910568,0cyclictest28663-21users21:09:280
181809910567,0cyclictest26281-21fw_conntrack19:29:350
181809910279,0cyclictest23056-21meminfo20:54:120
181809910271,0cyclictest25975-21apt00:13:190
181809910266,0cyclictest22745-21/usr/sbin/munin22:28:400
181809910165,0cyclictest25295-21runrttasks19:25:460
181809910165,0cyclictest19894-21latencyplot19:13:210
181809910079,0cyclictest31839-21ntp_states21:20:080
181809910079,0cyclictest2465-21meminfo19:54:060
181809910077,0cyclictest32204-21users22:54:280
181809910077,0cyclictest30903-21apt-get19:43:340
181809910077,0cyclictest1499-21runrttasks21:25:350
181809910077,0cyclictest10669-21df20:18:460
181809910072,0cyclictest5732-21grep20:03:540
18180999980,0cyclictest7126-21/usr/sbin/munin21:44:280
18180999979,0cyclictest11469-21/usr/sbin/munin23:30:040
18180999977,0cyclictest29879-21diskstats00:23:510
18180999977,0cyclictest18045-21interrupts23:49:020
18180999975,0cyclictest8583-21apt-get20:14:480
18180999973,0cyclictest17773-21fw_forwarded_lo20:38:590
18180999968,0cyclictest17953-21sed22:14:030
18180999878,0cyclictest29049-21munin-run19:38:210
18180999877,0cyclictest31578-21diskstats00:28:500
18180999877,0cyclictest24588-21df_inode22:33:490
18180999877,0cyclictest24365-21cstates20:58:410
18180999877,0cyclictest22690-21apt-get00:03:340
18180999877,0cyclictest19638-21meminfo20:44:090
18180999877,0cyclictest12586-21diskstats21:58:480
18180999876,0cyclictest29185-21apt-get19:38:310
18180999876,0cyclictest2571-21fw_forwarded_lo23:04:000
18180999875,0cyclictest15572-21apt-get20:33:320
18180999874,0cyclictest6981-21runrttasks23:17:270
18180999864,0cyclictest21166-21irqstats19:14:200
18180999776,0cyclictest4221-21irqstats21:34:020
18180999776,0cyclictest28929-21users00:19:310
18180999776,0cyclictest26430-21diskstats00:13:520
18180999776,0cyclictest21195-21fw_forwarded_lo20:48:590
18180999775,0cyclictest9425-21fw_conntrack23:23:540
18180999775,0cyclictest7654-21fschecks_time23:18:540
18180999775,0cyclictest20859-21apt-get22:23:360
18180999774,0cyclictest29832-21irqstats21:14:030
18180999774,0cyclictest1015-21if_eth000:34:000
18180999773,0cyclictest10937-21fschecks_time21:53:550
18180999772,0cyclictest8590-21/usr/sbin/munin20:13:230
18180999772,0cyclictest14414-21df_inode23:38:460
18180999765,0cyclictest13915-21sshd23:38:130
18180999763,0cyclictest15815-21dpkg23:43:290
18180999676,0cyclictest5174-21munin-run20:03:200
18180999676,0cyclictest29285-21munin-run22:48:210
18180999676,0cyclictest20981-21apt-get23:58:320
18180999675,0cyclictest2299-21diskstats21:28:520
18180999675,0cyclictest19855-21memory23:54:080
18180999674,0cyclictest32606-21apt-get19:48:340
18180999674,0cyclictest26014-21runrttasks22:38:350
18180999674,0cyclictest22647-21diskstats19:18:470
18180999674,0cyclictest1932-21sshd23:03:120
18180999674,0cyclictest14591-21meminfo22:04:070
18180999671,0cyclictest3802-21/usr/sbin/munin23:08:510
18180999579,0cyclictest15469-1kworker/u3:122:12:090
18180999576,0cyclictest8832-21apt-get21:48:330
18180999575,0cyclictest13870-21apt-get20:28:400
18180999571,0cyclictest5723-21df_inode21:38:470
18180999370,0cyclictest25951-21/usr/sbin/munin21:03:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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