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2026-08-26 - 20:58
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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 Wed Aug 26, 2026 02:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1064199137112,14cyclictest0-21swapper/019:10:030
10287213542,58sleep00-21swapper/019:07:350
106419910931,24cyclictest3052-21irqstats20:45:300
106419910843,46cyclictest1305-21snmpd19:46:330
106419910758,39cyclictest13728-21runrttasks21:25:490
106419910747,46cyclictest30709-21runrttasks00:39:190
106419910732,35cyclictest13681-21df_inode23:35:200
106419910643,44cyclictest5677-21wget20:55:140
106419910632,22cyclictest30450-21if_err_eth020:25:300
106419910562,33cyclictest6921-21aten_r7power_en21:00:120
106419910560,34cyclictest21704-21munin-run22:00:020
106419910526,22cyclictest24748-21apt-get20:02:130
106419910521,24cyclictest19588-21apt-get00:02:160
106419910442,43cyclictest1408-21nginx22:41:560
106419910327,37cyclictest5209-21ps23:00:420
106419910234,32cyclictest28493-21wget00:30:120
106419910230,34cyclictest1305-21snmpd19:53:170
106419910230,21cyclictest22518-21apt-get00:12:110
106419910159,32cyclictest26567-21runrttasks00:24:180
106419910149,39cyclictest6394-21ntp_states23:05:430
106419910149,33cyclictest8950irq/40-mmc122:52:120
106419910132,50cyclictest18004-21runrttasks21:45:030
106419910131,50cyclictest26528-21wget20:10:160
106419910034,46cyclictest16025-21wget23:45:210
10641999940,40cyclictest1408-21nginx19:56:180
10641999935,34cyclictest11770-21sendmail-msp21:20:020
10641999928,33cyclictest25411-21diskstats20:05:250
10641999926,34cyclictest14556-21df21:30:200
10641999923,36cyclictest24197-21munin-run22:10:020
10641999820,20cyclictest15597-21apt-get19:32:100
10641999756,31cyclictest2010-21node22:56:550
10641999754,33cyclictest27887-21sshd00:28:030
10641999751,28cyclictest1408-21nginx19:41:180
10641999743,36cyclictest13007-21munin-run21:25:020
10641999736,22cyclictest4546-21df20:50:240
10641999644,41cyclictest24468-21diskstats00:15:230
10641999639,41cyclictest22953-21latency_hist22:05:020
10641999629,50cyclictest32040-21users20:30:510
10641999628,32cyclictest1305-21snmpd23:54:090
10641999627,54cyclictest12123-21latency_hist23:30:040
10641999627,51cyclictest1276-21runrttasks19:20:370
10641999626,31cyclictest1375-21seq20:40:020
10641999567,20cyclictest12154-21runrttasks19:15:190
10641999528,34cyclictest30928-21ntp_states22:35:400
10641999523,35cyclictest29241-21/usr/sbin/munin20:20:270
10641999449,12cyclictest101ktimersoftd/023:30:240
10641999448,36cyclictest8680-21sh23:15:180
10641999425,50cyclictest9847-21wget23:20:160
10641999360,22cyclictest10488-21latency_hist21:15:020
10641999326,33cyclictest21580-21diskstats00:05:240
10641999252,29cyclictest754-21systemd-journal21:50:590
10641999251,31cyclictest26418-21runrttasks22:17:480
10641999245,36cyclictest15994-21ntp_states21:35:410
10641999234,45cyclictest1522-21sshd22:48:100
10641999231,46cyclictest1305-21snmpd21:08:330
10641999227,50cyclictest28183-21seq22:25:160
10641999226,30cyclictest29498-21df22:30:200
10641999223,19cyclictest15140-21ntp_states23:40:410
10641999147,34cyclictest27867-21df20:15:170
10641999135,39cyclictest18829-21grep23:55:370
10641999128,45cyclictest15719-21dpkg19:30:080
10641999043,35cyclictest24765-21ps22:10:450
10641998920,49cyclictest18437-21/usr/sbin/munin21:45:350
10641998856,22cyclictest8231-21runrttasks23:13:560
10641998836,35cyclictest1305-21snmpd22:23:490
10641998551,21cyclictest101ktimersoftd/020:40:350
10641998545,30cyclictest17340-21/usr/sbin/munin19:35:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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