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2025-08-30 - 15:45
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Sat Aug 30, 2025 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151649916725,122cyclictest1424-21nginx22:43:240
151649916641,110cyclictest26754-21runrttasks00:05:370
15164991658,136cyclictest1424-21nginx00:29:210
15164991658,113cyclictest30528-21/usr/sbin/munin22:15:130
15164991646,99cyclictest32528-21apt-get00:32:150
151649916429,117cyclictest28915-21wget00:15:150
15164991628,107cyclictest15304-21wget19:10:120
151649916240,104cyclictest10250irq/56-4a10000019:52:220
151649916227,105cyclictest1356-21snmpd21:03:310
151649916035,103cyclictest19296-21awk23:35:450
15164991598,92cyclictest18886-21apt-get19:27:080
15164991597,92cyclictest458-21apt-get22:27:090
15164991597,134cyclictest929-21/usr/sbin/munin20:20:040
15164991596,93cyclictest924-21apt-get20:22:100
14776215952,75sleep00-21swapper/019:07:190
15164991587,89cyclictest8366-21apt-get22:57:160
15164991587,114cyclictest1356-21snmpd21:46:130
151649915736,104cyclictest10250irq/56-4a10000020:42:290
15164991569,92cyclictest32205-21ntp_states22:20:450
15164991568,128cyclictest1336-21runrttasks19:58:070
151649915610,118cyclictest1424-21nginx23:03:260
15164991557,110cyclictest24510-21diskstats21:50:230
15164991547,93cyclictest17953-21df19:20:190
15164991546,107cyclictest6330-21munin-run20:40:020
15164991538,93cyclictest2509-21mailstats00:35:510
15164991538,125cyclictest24991-21sendmail00:00:030
15164991537,88cyclictest22172-21irqstats19:35:310
15164991537,126cyclictest28453-21ntpq22:05:470
15164991526,105cyclictest8391-21gpgv22:55:050
151649915224,109cyclictest1424-21nginx20:52:340
151649915222,108cyclictest11412-21wget23:05:130
151649915217,115cyclictest1356-21snmpd21:15:480
15164991508,104cyclictest21018-21ntp_states19:30:400
15164991506,105cyclictest23215-21users23:50:510
151649915041,97cyclictest14759-21runrttasks23:18:050
15164991499,105cyclictest1356-21snmpd20:28:230
151649914948,89cyclictest31352-21runrttasks20:11:000
15164991488,107cyclictest800-21avahi-daemon19:45:370
15164991488,104cyclictest12938-21memory23:10:350
15164991487,85cyclictest21833-21ntp_states21:40:430
15164991487,123cyclictest16473-21wget23:25:170
151649914834,102cyclictest1801-21node20:03:120
151649914822,109cyclictest1356-21snmpd20:33:240
15164991478,92cyclictest17254-21apt-get19:17:100
15164991478,86cyclictest14328-21ntp_states21:10:420
151649914737,99cyclictest26311-21seq21:57:040
15164991467,121cyclictest800-21avahi-daemon00:05:040
151649914636,99cyclictest6074-21aten_r7power_po22:45:190
151649914627,108cyclictest29656-21seq22:10:400
15164991459,98cyclictest21484-21wget23:45:180
15164991458,100cyclictest18993-21wget21:30:140
15164991457,117cyclictest800-21avahi-daemon23:40:430
15164991456,103cyclictest800-21avahi-daemon23:20:220
151649914544,89cyclictest27965-21runrttasks00:10:370
15164991448,93cyclictest10388-21df_inode20:55:240
15164991447,117cyclictest27085-21sshd22:00:300
15164991447,105cyclictest1356-21snmpd22:31:270
15164991447,100cyclictest800-21avahi-daemon21:05:180
15164991438,102cyclictest1356-21snmpd20:45:360
15164991437,84cyclictest17066-21users21:20:530
15164991437,122cyclictest1356-21snmpd20:05:180
15164991426,96cyclictest4103-21users22:35:510
151649914240,90cyclictest10250irq/56-4a10000021:35:340
15164991418,120cyclictest30368-21chrt00:20:220
15164991417,104cyclictest1356-21snmpd23:31:410
151649914138,84cyclictest10150irq/55-4a10000021:25:150
15164991399,117cyclictest1356-21snmpd19:40:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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