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2025-09-15 - 11:31
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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 Sun Sep 14, 2025 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
526025870,12sleep05259-21forks07:05:210
622499142116,16cyclictest0-21swapper/007:10:050
62249911633,40cyclictest8319-21apt-get07:17:070
62249911547,30cyclictest1424-21nginx10:21:150
62249911432,29cyclictest16621-21cut09:55:140
62249911134,21cyclictest23169-21apt-get12:32:080
62249911050,41cyclictest16182-21http07:50:030
62249911030,21cyclictest12358-21apt-get09:42:110
62249910934,37cyclictest17055-21memory07:51:030
62249910637,36cyclictest1356-21snmpd12:17:110
62249910566,19cyclictest1-21systemd12:25:180
62249910536,49cyclictest27116-21chrt08:30:450
62249910436,48cyclictest815-21rs:main0
62249910336,23cyclictest30947-21fw_forwarded_lo10:50:260
62249910330,17cyclictest14707-21df11:55:200
62249910329,37cyclictest10180-21df09:30:190
62249910324,30cyclictest31523-21apt-get08:52:090
62249910266,28cyclictest18148-21sshd12:09:580
62249910264,29cyclictest25815-21sshd12:36:200
62249910251,33cyclictest8301-21/usr/sbin/munin11:30:190
62249910230,35cyclictest20532-21df10:10:180
62249910230,20cyclictest7365-21memory11:25:350
62249910228,19cyclictest9121-21irqstats07:20:300
62249910157,33cyclictest6988-21apt-get09:21:160
62249910147,34cyclictest26141-21/usr/sbin/munin10:31:060
62249910134,30cyclictest25237-21http10:30:050
62249910133,48cyclictest12550-21/usr/sbin/munin07:35:370
62249910065,25cyclictest10960-21/usr/sbin/munin11:40:160
62249910030,35cyclictest893-21sshd11:00:160
6224999930,31cyclictest29028-21munin-run08:40:020
6224999927,36cyclictest9574-21wget11:35:190
6224999927,35cyclictest22790-21wc10:20:040
6224999852,35cyclictest1424-21nginx10:41:210
6224999842,43cyclictest1356-21snmpd09:36:320
6224999828,35cyclictest1356-21snmpd09:16:240
6224999827,52cyclictest25948-21systemctl08:25:490
6224999826,34cyclictest1356-21snmpd07:56:050
6224999757,31cyclictest21881-21cpuspeed08:10:380
6224999755,31cyclictest10250irq/56-4a10000008:50:040
6224999728,50cyclictest13687-21ntp_states11:50:520
6224999725,39cyclictest29552-21ntp_states08:40:400
6224999636,47cyclictest1356-21snmpd07:30:580
6224999631,48cyclictest1356-21snmpd12:12:090
6224999626,31cyclictest21190-21ntp_states12:20:390
6224999529,20cyclictest1061-21fw_forwarded_lo08:55:280
6224999526,32cyclictest800-21avahi-daemon10:39:290
6224999524,34cyclictest2291-21fw_conntrack11:05:320
6224999524,19cyclictest32183-21diskstats10:55:310
6224999454,31cyclictest20792-21tr08:05:390
6224999430,44cyclictest3533-21fw_forwarded_lo11:10:300
6224999427,30cyclictest1356-21snmpd10:01:390
6224999347,35cyclictest24603-21pluginstate08:20:440
6224999327,49cyclictest19866-21chrt08:01:220
6224999327,49cyclictest16376-21/usr/sbin/munin12:00:570
6224999326,30cyclictest3555-21df09:05:220
6224999258,23cyclictest5206-21awk09:10:500
6224999252,30cyclictest800-21avahi-daemon11:45:500
6224999248,33cyclictest13809-21/usr/sbin/munin07:40:140
6224999247,34cyclictest10461-21ntp_states07:25:410
6224999226,49cyclictest2233-21wget09:00:160
6224999155,29cyclictest23356-21grep08:15:450
6224999134,45cyclictest1356-21snmpd09:26:290
6224999130,20cyclictest14318-21df_inode09:45:210
6224999058,22cyclictest5802-21runrttasks11:20:100
6224998958,23cyclictest20229-21munin-plugin-st10:10:010
6224998949,29cyclictest29820-21/usr/sbin/munin10:45:360
6224998924,50cyclictest15953-21awk09:50:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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