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2026-08-16 - 13:04
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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 Sat Aug 15, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111362835139,353sleep03568-21kworker/0:207:09:540
11225991786,14cyclictest18064-21apt-get09:42:120
11225991678,19cyclictest8763-21df11:10:180
11225991669,118cyclictest20430-21users09:45:500
11225991668,102cyclictest27511-21fw_forwarded_lo12:20:480
112259916341,106cyclictest10250irq/56-4a10000008:15:530
11225991627,113cyclictest1276-21runrttasks07:35:170
11225991627,112cyclictest24796-21/usr/sbin/munin10:05:120
112259916134,108cyclictest24212-21munin-plugin-st12:10:010
112259916130,109cyclictest809-21systemd-logind12:35:370
11225991606,133cyclictest18096-21apt-get09:40:050
11225991606,132cyclictest1-21systemd12:20:010
11225991598,112cyclictest11965-21fw_conntrack07:10:440
112259915927,112cyclictest1408-21nginx11:41:340
11225991579,110cyclictest1305-21snmpd11:51:230
11225991577,132cyclictest14080-21apt-get07:18:150
112259915730,105cyclictest1305-21snmpd10:36:020
11225991569,107cyclictest2672-21df_inode08:40:200
11225991568,90cyclictest28345-21apt-get12:27:100
11225991559,110cyclictest1434-21fw_forwarded_lo08:35:280
11225991558,125cyclictest26038-21/usr/sbin/munin10:10:410
11225991557,127cyclictest1305-21snmpd09:55:520
11225991547,109cyclictest1305-21snmpd09:10:360
11225991545,18cyclictest30644-21apt-get08:27:120
112259915420,114cyclictest4862-21wget10:55:140
11225991537,125cyclictest20557-21/usr/sbin/munin11:55:140
112259915316,116cyclictest754-21systemd-journal08:55:310
11225991529,98cyclictest19795-21fw_forwarded_lo07:40:280
11225991529,109cyclictest31423-21ntp_states10:30:410
11225991528,124cyclictest12320-21awk09:15:370
11225991518,14cyclictest7315-21apt-get09:02:110
11225991518,124cyclictest1305-21snmpd10:45:140
11225991509,104cyclictest1305-21snmpd07:24:540
11225991509,100cyclictest27121-21wget08:10:140
11225991508,121cyclictest1305-21snmpd08:05:080
11225991508,121cyclictest10196-21latency_hist09:10:060
11225991507,103cyclictest17964-21fw_conntrack11:45:410
11225991506,17cyclictest1305-21snmpd07:52:070
112259915048,88cyclictest10150irq/55-4a10000007:25:440
11225991498,121cyclictest14456-21/usr/sbin/munin09:25:110
11225991498,120cyclictest14528-21sshd11:33:400
11225991497,18cyclictest30475-21ntp_states12:30:410
11225991496,15cyclictest10582-21apt-get11:17:060
11225991489,94cyclictest30646-21munin-run08:25:020
11225991489,120cyclictest32384-21/usr/sbin/munin08:30:170
11225991487,122cyclictest14811-21/usr/sbin/munin11:35:320
11225991486,18cyclictest4008-21open_files10:50:420
11225991486,126cyclictest28581-21wget10:20:140
11225991486,123cyclictest13944-21seq09:21:400
11225991477,122cyclictest1305-21snmpd07:50:040
112259914733,101cyclictest5328-21ntpq08:50:380
11225991468,105cyclictest7541-21diskstats11:05:220
11225991465,12cyclictest10250irq/56-4a10000008:00:470
112259914636,98cyclictest3921-21diskstats08:45:230
11225991458,124cyclictest1305-21snmpd10:15:570
11225991457,17cyclictest23270-21/usr/sbin/munin07:55:120
11225991457,12cyclictest17451-21sshd07:30:390
11225991457,119cyclictest1608-21ntpd10:00:380
11225991456,119cyclictest22025-21seq12:00:220
11225991447,117cyclictest16042-21nfs4_client09:30:360
11225991437,120cyclictest6115-21aten_r7power_cu11:00:140
112259914323,100cyclictest1083-21/usr/sbin/munin10:40:140
11225991426,115cyclictest12692-21ntpq11:25:370
112259914249,81cyclictest24936-21/usr/sbin/munin12:10:510
11225991418,96cyclictest21120-21wget09:50:150
112259914139,90cyclictest29980-21seq10:25:180
11225991407,91cyclictest11475-21ntp_states11:20:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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