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2026-03-26 - 15:33
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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 (updated Thu Mar 26, 2026 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12793221830,45sleep00-21swapper/007:07:300
13154991707,48cyclictest30962-21apt-get08:17:010
131549916848,102cyclictest5900-21seq08:45:330
131549916636,110cyclictest16185-21sshd07:20:430
131549916628,120cyclictest28455-21ntp_states10:15:400
131549916527,98cyclictest1408-21nginx08:31:030
13154991628,18cyclictest10327-21df11:10:190
13154991619,131cyclictest4280-21http10:50:040
13154991609,15cyclictest7140-21apt-get11:01:310
131549915924,115cyclictest27578-21ls12:20:080
13154991589,21cyclictest27607-21sshd10:12:080
13154991586,20cyclictest4268-21apt-get10:52:110
13154991586,18cyclictest20320-21kworker/u2:012:32:120
13154991577,15cyclictest23174-21wget09:55:130
13154991568,16cyclictest27466-21apt-get12:22:130
131549915644,94cyclictest23433-21seq07:50:230
131549915635,107cyclictest754-21systemd-journal07:12:430
13154991559,19cyclictest25998-21ntp_states10:05:480
13154991557,17cyclictest26829-21apt-get08:07:090
13154991556,19cyclictest31912-21seq08:20:430
131549915538,107cyclictest11766-21munin-plugin-st09:10:010
131549915538,104cyclictest17818-21df11:40:170
131549915433,109cyclictest18755-21awk07:30:450
131549915429,109cyclictest10250irq/56-4a10000007:44:340
131549915428,108cyclictest10250irq/56-4a10000011:16:360
13154991538,16cyclictest5183-21gpgv08:45:050
131549915324,113cyclictest10250irq/56-4a10000009:49:590
131549915322,111cyclictest1762-21latency_hist10:40:040
131549915244,97cyclictest16582-21runrttasks11:35:230
131549915216,124cyclictest2010-21node12:06:390
13154991518,16cyclictest22604-21sshd12:00:090
13154991518,15cyclictest2510-21users10:40:480
13154991517,15cyclictest28454-21apt-get08:12:070
131549915136,104cyclictest14275-21ntp_offset11:25:370
131549915134,104cyclictest6986-21wget08:50:140
131549915121,118cyclictest13893-21apt-get09:17:020
131549915118,95cyclictest21840-21runrttasks09:50:060
131549915036,102cyclictest6418-21ntpq10:55:410
131549915027,113cyclictest10021-21seq09:00:500
131549915024,108cyclictest1305-21snmpd09:34:450
131549915021,15cyclictest20066-21awk07:35:470
131549915018,14cyclictest10250irq/56-4a10000012:36:500
13154991499,18cyclictest10021-21munin-run11:10:030
13154991498,16cyclictest15121-21sshd11:30:080
13154991497,18cyclictest14865-21ntp_states07:15:400
131549914939,98cyclictest3143-21ntp_offset08:35:340
131549914922,15cyclictest1305-21snmpd10:24:510
131549914912,13cyclictest10250irq/56-4a10000008:29:380
13154991489,15cyclictest10150irq/55-4a10000009:20:410
13154991488,119cyclictest25747-21cut08:00:110
131549914838,96cyclictest801-21dbus-daemon12:00:010
131549914832,101cyclictest20489-21ntpq11:50:370
13154991476,19cyclictest12353-21processes09:10:430
131549914735,102cyclictest24425-21aten_r7power_po10:00:150
131549914711,27cyclictest18875-21/usr/sbin/munin11:45:460
13154991468,14cyclictest24959-21sendmail_mailst07:55:440
13154991466,17cyclictest1312-21sshd11:22:070
131549914553,82cyclictest29531-21/usr/sbin/munin12:25:310
13154991446,17cyclictest19716-21seq09:40:340
13154991446,14cyclictest30981-21ntp_states10:25:440
131549914438,95cyclictest32081-21cat10:30:290
131549914425,107cyclictest22272-21memory07:45:300
131549914412,13cyclictest17075-21wget07:25:140
131549914211,15cyclictest10250irq/56-4a10000009:26:050
13154991419,18cyclictest787-21haveged09:37:150
13154991407,16cyclictest25084-21sshd12:10:090
131549914017,11cyclictest10250irq/56-4a10000008:55:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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