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2025-12-02 - 06:21
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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 all highest latencies:
System rack7slot8.osadl.org (updated Tue Dec 02, 2025 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12811219326,49sleep012865-21/usr/sbin/munin19:05:180
13926991699,16cyclictest1071-21ntp_states20:25:410
139269916750,99cyclictest3650irq/20-4900000020:45:250
139269916728,16cyclictest10250irq/56-4a10000023:44:010
139269916322,27cyclictest3464-21apt-get20:37:080
139269916228,17cyclictest10250irq/56-4a10000022:58:020
13926991617,41cyclictest27608-21ntp_states22:05:440
139269916127,16cyclictest1356-21snmpd23:13:060
139269916034,109cyclictest10250irq/56-4a10000000:07:550
139269915914,16cyclictest1356-21snmpd21:00:180
139269915911,18cyclictest2193-21wget20:30:130
139269915826,18cyclictest1356-21snmpd23:08:060
139269915821,117cyclictest792-21haveged22:20:050
139269915749,92cyclictest10150irq/55-4a10000020:40:240
139269915741,103cyclictest29304-21ntpq00:20:380
139269915725,15cyclictest10250irq/56-4a10000019:42:200
139269915636,108cyclictest22136-21apt-get23:56:070
139269915635,108cyclictest1424-21nginx19:32:010
139269915621,29cyclictest1424-21nginx19:23:040
139269915536,106cyclictest21065-21pluginstate19:35:440
139269915438,105cyclictest24938-21runrttasks21:55:260
139269915436,106cyclictest802-21dbus-daemon00:40:010
139269915434,107cyclictest26529-21sshd19:58:150
139269915426,19cyclictest19334-21/usr/sbin/munin21:35:130
13926991538,16cyclictest17640-21ntp_states23:35:410
13926991537,16cyclictest760-21systemd-journal20:58:180
139269915320,19cyclictest29367-21/usr/sbin/munin20:10:270
139269915314,126cyclictest2666-21ntpq22:35:400
139269915239,102cyclictest20753-21cpu21:40:160
139269915234,12cyclictest10150irq/55-4a10000021:27:440
139269915226,17cyclictest15549-21runrttasks19:15:310
139269915226,17cyclictest14012-21sshd21:13:220
13926991518,33cyclictest1356-21snmpd22:22:550
139269915138,101cyclictest31392-21seq20:17:100
139269915136,104cyclictest22239-21latency_hist23:55:080
139269915134,17cyclictest283352chrt00:16:210
139269915117,33cyclictest1424-21nginx23:28:590
13926991508,35cyclictest1356-21snmpd20:04:160
139269915042,93cyclictest10150irq/55-4a10000021:32:440
139269915037,11cyclictest10150irq/55-4a10000021:17:400
139269915037,103cyclictest1634-21runrttasks22:30:500
139269915021,112cyclictest7829-21wget20:50:150
13926991497,27cyclictest320522chrt00:30:580
139269914945,92cyclictest12965-21cron21:10:010
139269914935,9cyclictest0-21swapper/023:48:130
139269914926,17cyclictest30850-21seq00:26:200
139269914833,106cyclictest7182-21ls22:55:020
139269914751,86cyclictest13411-21tr23:20:020
139269914745,90cyclictest8739-21runrttasks23:00:220
139269914731,18cyclictest1801-21node19:48:020
139269914730,10cyclictest0-21swapper/022:40:370
139269914729,17cyclictest28487-21ntpq20:05:360
139269914724,21cyclictest31942-21wget20:20:140
139269914714,17cyclictest1356-21snmpd19:52:050
13926991466,19cyclictest24163-21chrt21:51:360
139269914640,94cyclictest24313-21/usr/sbin/munin00:00:400
139269914629,18cyclictest220002chrt21:45:170
139269914531,16cyclictest28621-21sort22:10:160
139269914526,23cyclictest1356-21snmpd23:33:110
13926991447,27cyclictest14420-21seq23:23:080
139269914439,93cyclictest934-21date22:30:020
139269914438,93cyclictest15814-21df_inode21:20:210
139269914415,26cyclictest18347-21df19:25:200
139269914335,16cyclictest56822chrt22:48:130
139269914323,21cyclictest25968-21/usr/sbin/munin22:00:170
13926991427,17cyclictest14011-21/usr/sbin/munin19:10:350
139269914022,12cyclictest10250irq/56-4a10000000:12:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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