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2025-11-28 - 07:04
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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 Fri Nov 28, 2025 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
79779917527,126cyclictest1356-21snmpd20:48:180
7977991655,18cyclictest31654-21ntp_states22:45:420
79779916531,114cyclictest1424-21nginx19:32:380
79779916435,111cyclictest10250irq/56-4a10000022:43:140
79779916435,110cyclictest10250irq/56-4a10000021:27:580
7489216427,108sleep00-21swapper/019:06:280
79779916324,22cyclictest1356-21snmpd23:53:570
79779916022,15cyclictest10250irq/56-4a10000000:09:120
79779916015,114cyclictest1336-21runrttasks19:38:070
7977991598,17cyclictest29546-21apt-get20:37:080
7977991597,21cyclictest25041-21sh22:20:430
79779915826,110cyclictest1356-21snmpd00:29:040
7977991577,129cyclictest1356-21snmpd22:09:350
79779915630,108cyclictest2447-21cron23:00:010
79779915610,20cyclictest19476-21df19:55:180
7977991559,126cyclictest11927-21sshd23:35:270
7977991558,20cyclictest17870-21apt-get21:57:090
79779915526,110cyclictest2723-21apt-key20:55:120
79779915516,19cyclictest1424-21nginx00:03:330
79779915512,14cyclictest1424-21nginx20:32:480
79779915451,93cyclictest5108-21/usr/sbin/munin23:10:140
79779915440,102cyclictest14672-21ntpq21:40:420
7977991538,20cyclictest22286-21seq00:15:170
79779915343,92cyclictest10150irq/55-4a10000021:13:240
7977991528,18cyclictest25761-21apt-get22:27:100
79779915225,19cyclictest1356-21snmpd22:38:410
79779915219,23cyclictest11907-21wget19:25:150
7977991519,19cyclictest26331-21ntp_states20:20:420
79779915148,90cyclictest22488-21/usr/sbin/munin22:10:370
79779915137,100cyclictest802-21dbus-daemon21:35:010
79779915117,114cyclictest17714-21sshd21:53:450
79779915039,99cyclictest802-21dbus-daemon21:20:030
79779915035,102cyclictest5912-21ntpq21:05:420
79779915035,102cyclictest15733-21forks21:45:250
79779915027,15cyclictest28108-21sshd20:28:260
79779915024,114cyclictest13024-21grep23:40:150
79779915019,14cyclictest1356-21snmpd21:38:290
79779914938,98cyclictest27442-21awk00:35:350
79779914937,102cyclictest9519-21runrttasks21:20:260
79779914929,97cyclictest7589-21/usr/sbin/munin23:20:320
7977991489,18cyclictest17883-21seq00:00:060
7977991488,16cyclictest1801-21node23:19:040
7977991488,15cyclictest1356-21snmpd19:23:000
7977991486,22cyclictest1356-21snmpd20:18:120
79779914824,113cyclictest4192-21ntpq23:05:350
7977991478,18cyclictest2508-21/usr/sbin/munin20:55:040
7977991478,115cyclictest22082-21/usr/sbin/munin20:05:140
79779914736,101cyclictest14303-21aten_r7power_vo23:45:150
79779914735,100cyclictest3271-21runrttasks23:01:210
79779914732,104cyclictest20356-21apt-get00:11:260
79779914727,107cyclictest26053-21df00:30:200
7977991469,26cyclictest23579-21df_inode00:20:240
79779914637,98cyclictest10064-21cron19:17:000
79779914635,99cyclictest8890-21runrttasks19:12:360
79779914627,108cyclictest32619-21seq22:50:190
79779914620,102cyclictest1336-21runrttasks23:31:370
7977991457,16cyclictest15953-21seq19:40:390
7977991446,17cyclictest21766-21apt-config20:05:070
79779914441,91cyclictest1336-21runrttasks21:00:160
79779914431,102cyclictest27705-21df_inode22:30:190
79779914424,109cyclictest20069-21/usr/sbin/munin22:00:440
79779914420,17cyclictest16921-21tr19:45:150
7977991428,18cyclictest10150irq/55-4a10000022:17:060
7977991428,113cyclictest18048-21/usr/sbin/munin19:50:510
79779914232,95cyclictest3650irq/20-4900000023:29:090
79779914140,88cyclictest760-21systemd-journal20:40:220
79779913940,88cyclictest23980-21mailstats20:10:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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