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2024-05-21 - 19:30
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Tue May 21, 2024 14:45:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12352212170,12sleep012351-21/usr/sbin/munin07:05:330
134729917657,16cyclictest29399-21apt-config12:15:170
13472991738,18cyclictest16449-21fw_conntrack07:20:470
134729917348,28cyclictest3650irq/20-4900000010:21:500
134729917149,13cyclictest8950irq/40-mmc110:56:440
134729916942,15cyclictest10150irq/55-4a10000007:53:570
134729916810,18cyclictest30762-21nodejs12:19:510
134729916735,30cyclictest10183-21nodejs11:01:400
134729916733,31cyclictest25738-21nodejs10:00:200
134729916728,30cyclictest6180-21users10:46:550
134729916643,15cyclictest10150irq/55-4a10000008:54:380
134729916630,28cyclictest17035-21nodejs11:27:410
134729916535,29cyclictest18583-21nodejs11:34:220
13472991649,18cyclictest29704-21nodejs10:15:340
134729916435,30cyclictest358-21nodejs10:26:270
134729916433,30cyclictest29550-21sshd08:10:460
134729916348,13cyclictest10150irq/55-4a10000010:50:470
134729916345,18cyclictest3017-21df_inode10:35:290
134729916329,30cyclictest13460-21nodejs11:15:120
134729916326,29cyclictest30762-21nodejs12:22:110
13472991628,18cyclictest762-21systemd-journal08:22:300
134729916243,19cyclictest13386-21find09:11:440
134729916228,31cyclictest12821-21nodejs11:11:490
13472991618,21cyclictest29328-21nodejs10:12:540
134729916144,29cyclictest28217-21seq10:08:530
134729916133,27cyclictest15552-21nodejs11:22:040
13472991607,17cyclictest1210-21df_inode12:30:360
134729916056,16cyclictest20011-21latency_hist07:35:050
134729916045,15cyclictest10150irq/55-4a10000009:32:490
134729916044,21cyclictest18042-21/usr/sbin/munin07:26:440
134729916044,18cyclictest1621-21sendmail_mailtr08:26:500
134729915945,12cyclictest10150irq/55-4a10000007:46:440
134729915848,14cyclictest10150irq/55-4a10000009:21:330
134729915848,13cyclictest10150irq/55-4a10000008:06:020
134729915750,14cyclictest10150irq/55-4a10000011:51:180
134729915742,13cyclictest10150irq/55-4a10000008:38:580
134729915653,17cyclictest25791-21latency_hist10:00:060
134729915647,19cyclictest10735-21/usr/sbin/munin09:01:470
134729915623,29cyclictest11917-21nodejs11:08:260
134729915547,18cyclictest21820-21nodejs09:44:570
134729915547,14cyclictest10150irq/55-4a10000008:43:530
134729915544,19cyclictest31112-21apt-key08:15:440
134729915544,19cyclictest14679-21/usr/sbin/munin09:16:400
134729915543,19cyclictest2473-21runrttasks08:30:260
134729915543,18cyclictest27855-21latency_hist08:05:070
134729915462,12cyclictest101ktimersoftd/007:10:260
134729915450,13cyclictest10150irq/55-4a10000009:50:290
134729915349,15cyclictest22640-21mailstats09:46:480
134729915349,14cyclictest26798-21basename12:05:150
134729915347,14cyclictest10150irq/55-4a10000007:59:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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