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2025-11-21 - 13:41
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack4slot3.osadl.org (updated Fri Nov 21, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2178421380,4sleep021785-21wc19:13:040
218679910314,79cyclictest17727-21munin-node23:58:280
30869210214,20sleep030894-21sendmail_mailqu21:18:520
19173210114,31sleep019194-21df_abs00:03:200
218679910025,65cyclictest25310-21munin-node21:03:150
513929814,16sleep05145-21users19:59:020
21867999815,73cyclictest1184-21munin-node23:08:220
702129715,16sleep07022-21users23:24:060
21867999626,61cyclictest20763-21if_err_eth020:48:310
21867999623,64cyclictest3533-21runrttasks21:11:370
21867999615,72cyclictest22914-21open_files00:13:520
21867999520,66cyclictest10870-21forks20:18:250
21867999515,71cyclictest10732-21latency_hist21:58:040
21867999515,70cyclictest14210-21aten_r4power_vo23:48:150
21867999514,72cyclictest19004-21grep20:43:270
21867999425,60cyclictest28963-21kernelversion21:13:360
21867999414,70cyclictest25690-21seq19:23:390
858429314,16sleep08635-21uptime23:29:040
473329314,16sleep04738-21hddtemp_smartct23:18:260
21867999314,70cyclictest30722-21processes19:38:510
21867999314,70cyclictest29059-21fschecks_time00:33:260
21867999222,61cyclictest1759-21unixbench_singl19:48:590
21867999222,33cyclictest27719-21netstat00:28:410
21867999219,63cyclictest8035-21munin-node21:48:400
1952729214,16sleep019525-21ntp_states22:23:490
21867999129,16cyclictest41ktimersoftd/021:28:520
21867999123,58cyclictest5899-21aten_r4power_cu21:43:140
21867999119,62cyclictest17711-21munin-node20:38:410
21867999115,67cyclictest24698-21unixbench_singl22:39:020
21867999114,68cyclictest3533-21runrttasks20:30:100
21867999114,68cyclictest24350-21munin-node20:58:570
21867999016,64cyclictest23226-21sshd20:55:440
21867999016,64cyclictest16441-21munin-node22:14:020
21867999015,68cyclictest24425-21missed_timers00:18:430
21867999015,66cyclictest11777-21timerandwakeup23:39:010
21867999015,66cyclictest10093-21switchtime23:33:560
21867999014,68cyclictest11218-21sed21:58:370
21867999014,67cyclictest13339-21sshd23:43:570
21867999014,41cyclictest16316-21munin-node20:33:580
3206228914,16sleep032124-21grep19:43:330
2593928913,15sleep025940-21irqstats00:23:350
21867998915,65cyclictest32162-21runrttasks21:23:320
21867998914,66cyclictest3533-21runrttasks19:14:330
21867998914,66cyclictest28808-21df_abs22:53:190
21867998914,66cyclictest18187-21timerwakeupswit22:19:000
21867998914,65cyclictest3475-21head19:54:020
21867998819,33cyclictest3391-21rt-features21:33:560
21867998814,65cyclictest25376-21munin-node22:43:420
1438028813,16sleep014414-21cat22:08:290
21867998733,16cyclictest41ktimersoftd/022:35:560
21867998725,16cyclictest41ktimersoftd/021:38:280
21867998715,63cyclictest7393-21runrttasks20:08:130
21867998715,63cyclictest12263-21chrt20:23:120
21867998714,63cyclictest17245-21sshd23:57:560
21867998634,43cyclictest41ktimersoftd/022:06:560
21867998631,46cyclictest41ktimersoftd/020:03:210
21867998614,63cyclictest24344-21switchtime19:18:560
21867998613,64cyclictest21292-21munin-node22:28:540
3123428514,16sleep031264-21timerandwakeup00:38:590
21867998532,16cyclictest41ktimersoftd/023:03:560
21867998531,45cyclictest41ktimersoftd/023:13:410
21867998531,45cyclictest41ktimersoftd/022:48:180
21867998530,16cyclictest41ktimersoftd/020:13:440
21867998431,16cyclictest41ktimersoftd/022:58:440
21867998431,16cyclictest41ktimersoftd/019:28:160
21867998329,16cyclictest41ktimersoftd/000:08:450
21867998228,16cyclictest41ktimersoftd/019:33:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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