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2026-09-07 - 03:37
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackdslot0.osadl.org (updated Mon Sep 07, 2026 00:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5595992417,4cyclictest0-21swapper/219:39:212
5590992015,3cyclictest0-21swapper/120:03:371
559099200,19cyclictest843-21systemd-network00:00:271
5586992014,5cyclictest0-21swapper/023:15:010
5586992014,4cyclictest0-21swapper/020:45:010
559599192,2cyclictest9367-21ntp_kernel_pll_00:00:192
559599192,1cyclictest0-21swapper/200:38:172
5595991917,1cyclictest0-21swapper/222:28:182
5595991913,3cyclictest3450-21gsd-color22:03:592
559599190,18cyclictest426-21systemd-udevd21:56:522
559599190,18cyclictest426-21systemd-udevd21:14:522
559599190,16cyclictest3989-21H222:10:212
5590991917,1cyclictest0-21swapper/120:50:221
559099190,18cyclictest0-21swapper/120:57:261
559099190,15cyclictest0-21swapper/119:44:221
5586991917,1cyclictest0-21swapper/020:19:050
558699190,15cyclictest0-21swapper/023:44:100
559599186,11cyclictest0-21swapper/223:07:392
559599182,15cyclictest0-21swapper/222:40:152
559599182,15cyclictest0-21swapper/221:50:172
5595991817,1cyclictest0-21swapper/222:17:132
5595991816,1cyclictest0-21swapper/221:40:352
5595991816,1cyclictest0-21swapper/220:55:172
5595991814,1cyclictest0-21swapper/223:19:552
559599181,16cyclictest6059-21cat23:55:162
559599180,3cyclictest3987-21H222:10:212
559599180,3cyclictest13400-21grep23:10:202
559599180,17cyclictest30689-21expr23:40:212
559599180,16cyclictest3976-21H222:10:212
559099183,1cyclictest21-21ksoftirqd/122:13:171
559099183,1cyclictest21-21ksoftirqd/122:13:171
5590991816,1cyclictest6270-21expr21:05:131
5590991816,1cyclictest0-21swapper/123:27:361
559099180,3cyclictest3991-21H222:10:211
559099180,2cyclictest3991-21H222:10:211
559099180,2cyclictest3976-21H222:10:211
559099180,17cyclictest15945-21lxd22:52:501
559099180,16cyclictest4035-21H222:10:211
559099180,16cyclictest23081-21cat23:30:141
559099180,15cyclictest3987-21H222:10:211
558699182,15cyclictest0-21swapper/022:34:090
5586991815,2cyclictest26474-21sed21:40:180
5586991814,3cyclictest16334-21latency_hist00:15:000
558699181,16cyclictest993-21dbus-daemon23:50:220
558699181,16cyclictest23138-21chrt20:36:310
558699181,16cyclictest12782-21seq00:06:550
558699180,2cyclictest3987-21H222:10:210
558699180,17cyclictest18047-21cat20:30:000
558699180,16cyclictest3987-21H222:10:210
5595991715,1cyclictest122882chrt20:17:512
5595991715,1cyclictest0-21swapper/222:32:112
5595991715,1cyclictest0-21swapper/221:25:172
5595991715,1cyclictest0-21swapper/200:10:002
5595991714,2cyclictest8586-21/usr/sbin/munin19:15:122
5595991714,2cyclictest426-21systemd-udevd20:08:522
5595991714,2cyclictest3991-21H222:10:212
5595991714,2cyclictest28551-21expr21:45:142
5595991714,2cyclictest22037-21apt-get19:40:012
5595991714,2cyclictest18166-21awk19:30:202
5595991714,2cyclictest14501-21snapd23:35:022
5595991714,2cyclictest12886-21pzem_power19:20:182
5595991714,2cyclictest1035-21thermald19:25:212
5595991713,3cyclictest399-20systemd-journal20:02:442
5595991713,3cyclictest22566-21ps20:35:202
5595991711,4cyclictest0-21swapper/223:30:582
559599170,2cyclictest626-21anvil19:56:162
559599170,2cyclictest4035-21H222:10:212
559599170,2cyclictest3622-21awk22:55:102
559599170,2cyclictest30863-21munin-plugin-st19:55:002
559599170,2cyclictest16816-21nfsd422:20:182
559599170,2cyclictest14668-21kernelversion00:10:172
559599170,16cyclictest7526-21sed23:00:192
559599170,16cyclictest7526-21sed23:00:192
559599170,16cyclictest4035-21H222:10:212
559599170,16cyclictest3985-21H222:10:212
559599170,16cyclictest3985-21H222:10:212
559599170,16cyclictest3985-21H222:10:212
559599170,16cyclictest29591-21dpkg22:45:012
559599170,16cyclictest25517-21ls20:40:172
559599170,16cyclictest22702-21cat00:25:142
559599170,16cyclictest19653-21awk20:30:202
559599170,16cyclictest18936-21ntp_kernel_pll_23:20:192
559599170,16cyclictest0-21swapper/221:05:302
559599170,15cyclictest3989-21H222:10:212
559599170,15cyclictest3985-21H222:10:212
5590991716,1cyclictest21-21ksoftirqd/120:20:201
5590991715,1cyclictest5714-21nfsd422:00:171
5590991715,1cyclictest21-21ksoftirqd/121:20:141
5590991715,1cyclictest16742chrt23:48:461
5590991715,1cyclictest0-21swapper/123:19:311
5590991714,2cyclictest9192-21df19:15:151
5590991714,2cyclictest8182-21threads23:00:231
5590991714,2cyclictest8182-21threads23:00:231
5590991714,2cyclictest5686-21munin-run21:05:011
5590991714,2cyclictest3987-21H222:10:211
5590991714,2cyclictest3987-21H222:10:211
5590991714,2cyclictest3981-21H222:10:211
5590991714,2cyclictest21766-21sort00:25:001
5590991714,2cyclictest18299-21timerwakeupswit00:15:221
5590991714,2cyclictest18056-21grep19:30:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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