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2026-03-20 - 03:45
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Fri Mar 20, 2026 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29589224150,59sleep00-21swapper/019:05:080
307889911853,46cyclictest3862-21awk19:30:430
307889910757,33cyclictest13851-21sshd22:18:240
307889910560,36cyclictest14270-21/usr/sbin/munin00:25:190
307889910329,35cyclictest2763-21fw_forwarded_lo23:40:500
307889910246,37cyclictest1305-21snmpd23:25:460
307889910227,36cyclictest11096-21apt-get00:15:440
307889910040,42cyclictest787-21haveged22:57:500
307889910028,51cyclictest4072-21cron21:40:020
307889910028,35cyclictest30192-21chrt21:15:210
307889910025,21cyclictest12360-21df_inode20:05:180
307889910024,22cyclictest6542-21threads19:40:470
30788999955,32cyclictest2118-21date19:25:020
30788999937,47cyclictest6804-21wget21:50:140
30788999928,32cyclictest18981-21users22:36:340
30788999923,23cyclictest15125-21chrt22:23:310
30788999829,53cyclictest29914-21ntp_states23:20:420
30788999829,33cyclictest21751-21ntp_states20:41:220
30788999825,36cyclictest8328-21ntp_states21:55:430
30788999759,29cyclictest6485-21chrt23:55:570
30788999738,41cyclictest0-21swapper/021:02:210
30788999725,36cyclictest10063-21ntp_states19:55:420
30788999724,54cyclictest21909-21latency_hist22:50:030
30788999724,19cyclictest14950-21memory20:15:310
30788999723,36cyclictest10637-21diskstats22:05:210
30788999720,22cyclictest409-21apt-get19:17:110
30788999648,32cyclictest3650irq/20-4900000023:50:200
30788999625,33cyclictest8826-21ntp_states19:50:430
30788999549,36cyclictest31075-21diskstats19:10:210
30788999529,50cyclictest29376-21cron23:20:020
30788999517,21cyclictest32384-21apt-get21:27:100
30788999437,43cyclictest2593-21ntpq19:25:400
30788999424,36cyclictest24963-21seq23:00:460
30788999424,19cyclictest7395-21diskstats19:45:210
30788999423,32cyclictest10083-21wget00:10:260
136672940,7sleep013665-21if_eth020:10:290
30788999360,22cyclictest25865-21/usr/sbin/munin23:05:130
30788999350,33cyclictest4609-21seq21:40:380
30788999228,48cyclictest7556-21wget00:00:160
30788999223,34cyclictest1305-21snmpd20:37:150
30788999223,17cyclictest27697-21df_inode21:05:190
30788999222,51cyclictest4717-21wget19:35:110
30788999222,32cyclictest32089-21wget23:30:140
30788999221,35cyclictest15409-21/usr/sbin/munin00:31:090
30788999151,27cyclictest754-21systemd-journal20:45:380
30788999148,32cyclictest13865-21runrttasks00:24:020
30788999146,29cyclictest101ktimersoftd/020:27:140
30788999145,36cyclictest25017-21aten_r7power_cu20:55:120
30788999129,22cyclictest1954-21munin-run23:40:060
30788999122,49cyclictest12089-21open_inodes22:10:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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