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2026-05-15 - 01:46
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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 May 14, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27185212110,13sleep027184-21/usr/sbin/munin19:05:310
278459916910,107cyclictest2688-21df21:45:190
27845991678,105cyclictest22170-21diskstats23:00:270
278459916426,94cyclictest1408-21nginx00:29:150
278459916127,119cyclictest14477-21apt-get20:26:330
278459916039,109cyclictest5476-21awk21:55:430
27845991577,128cyclictest1305-21snmpd19:44:220
278459915739,106cyclictest12824-21ntpq00:30:360
278459915737,110cyclictest14816-21latency_hist00:40:000
278459915648,96cyclictest224342sleep020:55:130
278459915526,88cyclictest5864-21/usr/sbin/munin19:50:130
27845991546,90cyclictest18952-21apt-get22:52:090
27845991546,107cyclictest18967-21apt-get22:50:050
27845991538,88cyclictest13588-21apt-get22:32:070
27845991536,125cyclictest754-21systemd-journal20:33:430
27845991527,91cyclictest331-21apt-get19:30:340
278459915242,94cyclictest3650irq/20-4900000022:15:210
27845991519,106cyclictest334-21/usr/sbin/munin19:30:030
27845991518,106cyclictest29933-21apt-get19:17:080
27845991516,105cyclictest13060-21sshd20:18:430
27845991506,124cyclictest8072-21sshd19:58:430
278459915046,94cyclictest705-21/usr/sbin/munin23:45:100
278459915034,104cyclictest26429-21sshd23:16:560
278459915025,114cyclictest7852-21ntp_states22:05:390
27845991499,100cyclictest13960-21users20:20:480
27845991497,104cyclictest2520-21ntp_states19:35:410
278459914937,101cyclictest1305-21snmpd22:10:170
278459914921,109cyclictest4711-21wget19:45:140
27845991489,95cyclictest17662-21diskstats20:35:220
27845991488,100cyclictest2010-21node22:37:270
27845991487,122cyclictest1305-21snmpd20:04:260
27845991487,121cyclictest1312-21sshd21:43:440
278459914815,114cyclictest1305-21snmpd23:44:010
27845991479,101cyclictest25050-21users23:10:530
27845991477,86cyclictest23905-21diskstats21:00:230
278459914733,102cyclictest26017-21sshd21:09:430
278459914646,89cyclictest7145-21runrttasks22:03:170
278459914642,93cyclictest30049-21runrttasks21:25:140
278459914637,96cyclictest11591-21ntpq22:20:350
278459914613,113cyclictest27006-21wget23:20:120
27845991458,99cyclictest29820-21munin-run21:25:020
27845991458,120cyclictest23405-21seq23:05:240
27845991457,94cyclictest19159-21/usr/sbin/munin20:40:420
27845991457,85cyclictest2418-21open_inodes23:50:390
27845991457,120cyclictest29667-21seq23:30:250
27845991457,120cyclictest1305-21snmpd21:39:460
27845991456,122cyclictest9582-21aten_r7power_cu00:20:130
27845991456,122cyclictest30875-21chrt23:35:190
27845991447,98cyclictest20817-21seq20:47:490
27845991447,94cyclictest31401-21sshd19:23:430
27845991447,104cyclictest21826-21munin-run23:00:020
278459914437,96cyclictest31963-21runrttasks21:32:160
278459914436,94cyclictest4552-21wget00:00:120
278459914428,97cyclictest7902-21sshd00:12:550
27845991437,112cyclictest28847-21seq23:26:050
278459914316,115cyclictest4365-21munin-run00:00:020
27845991428,91cyclictest3933-21seq21:50:200
27845991427,116cyclictest1305-21snmpd21:12:260
278459914242,89cyclictest9664-21runrttasks20:05:130
278459914238,94cyclictest8891-21runrttasks00:15:520
278459914141,90cyclictest13112-21runrttasks22:26:050
27845991409,118cyclictest6147-21ntp_states00:05:390
278459913942,87cyclictest28884-21runrttasks19:13:400
27845991388,90cyclictest16934-21chrt22:40:350
27845991388,118cyclictest28206-21seq21:17:100
278459913738,88cyclictest11199-21ntpq20:10:350
278459913613,105cyclictest21280-21wget20:50:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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