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2023-12-10 - 13:51
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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 (updated Sun Dec 10, 2023 01:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5747221430,52sleep00-21swapper/019:05:510
63129914875,18cyclictest29135-21ntp_states20:35:520
63129914854,52cyclictest25421-21/usr/sbin/munin20:20:490
63129914762,35cyclictest14880-21apt-get21:52:070
63129914658,33cyclictest10482-21cat23:36:060
63129914266,23cyclictest16623-21aten_r7power_en00:00:230
63129914067,54cyclictest3706-21ntp_states23:10:550
63129913967,22cyclictest16445-40gzip00:00:090
63129913966,35cyclictest4396-21apt-get23:16:330
63129913764,39cyclictest16739-21ntp_states19:46:250
63129913763,20cyclictest24428-21irqstats22:25:420
63129913565,17cyclictest20208-21df20:00:230
63129913564,51cyclictest18975-21runrttasks19:55:320
63129913563,36cyclictest23193-21ntp_states00:25:490
63129913561,54cyclictest1370-21snmpd21:02:340
63129913559,59cyclictest12233-21awk23:41:450
63129913462,39cyclictest16843-21diskstats21:55:310
63129913458,34cyclictest25576-21diskstats22:30:310
63129913366,21cyclictest27006-21ntp_states22:35:540
63129913363,35cyclictest28268-21ntp_states22:40:550
63129913362,50cyclictest822-21rs:main0
63129913362,36cyclictest23295-21ntp_states22:20:550
63129913358,37cyclictest19249-21wget22:05:240
63129913268,22cyclictest29950-21ntp_states22:46:220
63129913261,51cyclictest1177-21chrt23:00:520
63129913260,36cyclictest25684-21ntp_states00:35:560
63129913260,36cyclictest18708-21runrttasks00:08:210
63129913068,21cyclictest23934-21/usr/sbin/munin20:15:260
63129913066,48cyclictest23302-21seq20:12:280
63129913062,34cyclictest11376-21ntp_states19:26:190
63129913059,35cyclictest8773-21munin-run19:20:040
63129913058,35cyclictest1370-21snmpd20:27:320
63129913056,54cyclictest21795-21fw_packets00:20:320
63129912966,44cyclictest17945-21wget22:00:190
63129912959,32cyclictest14777-21runrttasks23:52:050
63129912958,35cyclictest1370-21snmpd21:17:420
63129912955,55cyclictest1370-21snmpd20:08:330
63129912869,19cyclictest21908-21irqstats22:15:390
63129912867,40cyclictest3798-21/usr/sbin/munin21:05:380
63129912866,42cyclictest1370-21snmpd23:30:250
63129912865,42cyclictest19300-21if_eth000:10:330
63129912861,50cyclictest30974-21/usr/sbin/munin22:50:390
63129912859,33cyclictest20418-21chrt22:10:210
63129912777,37cyclictest762-21systemd-journal20:33:130
63129912771,36cyclictest8761-21cron19:20:100
63129912770,40cyclictest32337-21latency_hist20:50:040
63129912661,29cyclictest1328-21wget20:55:210
63129912660,24cyclictest1351-21runrttasks23:45:060
63129912575,37cyclictest15514-21sshd19:42:520
63129912557,33cyclictest8987-21df21:25:270
63129912472,40cyclictest387-21ntp_states20:50:460
63129912470,39cyclictest13609-21diskstats19:35:300
63129912458,49cyclictest30051-21wget20:40:210
63129912456,37cyclictest1370-21snmpd19:12:160
63129912377,36cyclictest7661-21seq23:25:370
63129912377,34cyclictest2147-21node00:18:540
63129912372,39cyclictest1-21systemd00:31:060
63129912369,37cyclictest7837-21if_eth021:20:380
63129912366,36cyclictest10027-21chrt21:30:150
63129912365,40cyclictest13799-21grep21:45:190
63129912167,43cyclictest12462-21seq21:40:040
63129912065,43cyclictest12915-21ntpq21:40:450
63129912063,38cyclictest2374-21load23:05:470
63129911970,37cyclictest12532-21awk19:30:450
63129911968,39cyclictest1370-21snmpd23:20:370
63129911961,19cyclictest32154-21df22:55:260
63129911876,32cyclictest17523-21/usr/sbin/munin19:50:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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