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2026-01-01 - 05:54
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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 highest latencies:
System rackdslot0.osadl.org (updated Thu Jan 01, 2026 00:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21695992422,2cyclictest0-21swapper/123:30:171
2169999226,15cyclictest0-21swapper/220:21:162
2169599227,14cyclictest0-21swapper/121:31:241
2169599210,19cyclictest9975-21fschecks_time00:35:161
2169499210,18cyclictest0-21swapper/022:55:340
21699992016,3cyclictest0-21swapper/219:17:442
2169999200,19cyclictest0-21swapper/200:00:012
2169599207,11cyclictest12130-21cut20:45:191
2169599207,11cyclictest12130-21cut20:45:181
21695992016,3cyclictest23369-21munin-run00:00:011
21694992017,2cyclictest22602-21sessionclean20:09:010
21699991915,3cyclictest0-21swapper/223:10:342
2169999190,3cyclictest0-21swapper/200:33:392
2169999190,1cyclictest0-21swapper/222:55:152
2169999190,16cyclictest11200-21nfsd423:35:172
2169599192,16cyclictest11068-21missed_timers23:35:161
21695991915,3cyclictest0-21swapper/100:05:011
21695991914,4cyclictest15356-21fschecks_count21:50:121
2169599190,17cyclictest3991-21H222:10:211
2169499190,18cyclictest0-21swapper/000:39:060
21699991816,1cyclictest3331-21latency20:30:172
21699991816,1cyclictest0-21swapper/221:37:442
21699991816,1cyclictest0-21swapper/220:45:222
21699991816,1cyclictest0-21swapper/220:45:222
21699991814,3cyclictest3985-21H222:10:212
21699991814,2cyclictest30117-21pzem22:15:202
2169999180,3cyclictest30188-21anvil19:25:072
2169999180,2cyclictest3979-21H222:10:212
2169999180,16cyclictest399-20systemd-journal22:20:012
2169999180,16cyclictest3991-21H222:10:212
2169999180,16cyclictest3989-21H222:10:212
2169599182,1cyclictest14662chrt22:20:311
2169599182,15cyclictest26567-21idleruntime22:10:171
21695991815,2cyclictest5891-21ntpq23:25:171
21695991815,2cyclictest3976-21H222:10:211
2169599181,2cyclictest0-21swapper/100:20:181
2169599180,3cyclictest19505-21grep23:50:191
2169599180,2cyclictest3991-21H222:10:211
2169599180,17cyclictest4099-21H222:10:211
2169499183,14cyclictest0-21swapper/022:45:250
2169499182,1cyclictest0-21swapper/021:40:130
2169499182,15cyclictest251892sleep020:11:360
21694991816,1cyclictest0-21swapper/000:12:310
21694991815,2cyclictest3981-21H222:10:210
21694991814,3cyclictest23232-21proxymap23:58:280
21694991814,3cyclictest0-21swapper/021:05:130
21694991813,2cyclictest3979-21H222:10:210
2169499181,2cyclictest27243-21munin-run21:15:010
2169499180,3cyclictest19089-21wc21:00:140
2169499180,2cyclictest3991-21H222:10:210
2169499180,2cyclictest3981-21H222:10:210
2169499180,2cyclictest3976-21H222:10:210
21699991715,1cyclictest0-21swapper/219:30:182
21699991714,2cyclictest5227-21/usr/sbin/munin20:35:132
21699991714,2cyclictest28-21ksoftirqd/219:55:092
21699991714,2cyclictest27338-21latency_hist00:10:002
21699991714,2cyclictest24702-21sed22:05:212
21699991714,2cyclictest24702-21sed22:05:202
21699991714,2cyclictest24404-21fschecks_count00:00:152
21699991714,2cyclictest12763-21idleruntime21:45:162
21699991714,2cyclictest11506-21expr22:40:142
21699991713,3cyclictest6449-21http_loadtime22:30:162
21699991713,3cyclictest6449-21http_loadtime22:30:162
2169999171,15cyclictest3991-21H222:10:212
2169999171,15cyclictest168112chrt21:52:132
2169999170,3cyclictest0-21swapper/223:40:172
2169999170,2cyclictest3981-21H222:10:212
2169999170,2cyclictest3414-21master00:35:102
2169999170,2cyclictest28976-21ntp_states00:10:162
2169999170,2cyclictest27746-21users22:10:232
2169999170,2cyclictest24885-21latency_hist23:05:002
2169999170,2cyclictest22240-21expr21:05:142
2169999170,2cyclictest18295-21chrt23:50:022
2169999170,1cyclictest0-21swapper/222:00:072
2169999170,16cyclictest7788-21cut19:40:202
2169999170,16cyclictest530-21nfsd420:25:192
2169999170,16cyclictest3983-21H222:10:212
2169999170,16cyclictest3414-21master20:03:592
2169999170,16cyclictest32167-21grep23:15:202
2169999170,16cyclictest31485-21awk21:20:202
2169999170,16cyclictest27244-21grep21:15:012
2169999170,16cyclictest15541-21vmstat20:50:232
2169999170,16cyclictest10959-21basename22:40:002
2169999170,15cyclictest3979-21H222:10:212
21695991716,1cyclictest21-21ksoftirqd/123:07:561
21695991715,1cyclictest21-21ksoftirqd/121:13:451
21695991714,2cyclictest4126-21perf23:25:001
21695991714,2cyclictest3983-21H222:10:211
21695991714,2cyclictest24180-21chrt22:05:181
21695991714,2cyclictest24180-21chrt22:05:181
21695991714,2cyclictest22751-21perf20:10:011
21695991714,2cyclictest15446-21ntpq22:45:191
21695991714,2cyclictest14503-21cat21:50:011
21695991714,2cyclictest1377-21lxd23:46:341
2169599171,15cyclictest0-21swapper/121:25:181
2169599170,2cyclictest32285-21cut23:15:201
2169599170,2cyclictest28808-21grep00:10:151
2169599170,2cyclictest22626-21expr23:00:141
2169599170,16cyclictest5901-21cpuspeed_turbos22:30:141
2169599170,16cyclictest5901-21cpuspeed_turbos22:30:141
2169599170,16cyclictest3991-21H222:10:211
2169599170,16cyclictest32611-21cron00:20:001
2169599170,16cyclictest23311-21nfsd419:10:181
2169599170,16cyclictest19285-21sed20:00:231
2169599170,16cyclictest15945-21lxd19:16:481
2169599170,15cyclictest3985-21H222:10:211
2169599170,15cyclictest3983-21H222:10:211
2169599170,15cyclictest0-21swapper/121:16:361
21694991717,0cyclictest0-21swapper/022:35:170
21694991715,1cyclictest29283-21latency23:10:330
21694991715,1cyclictest0-21swapper/023:42:280
21694991715,1cyclictest0-21swapper/022:05:180
21694991715,1cyclictest0-21swapper/022:05:180
21694991714,2cyclictest3646-21netstat20:30:180
21694991714,2cyclictest27965-21munin-run23:10:010
21694991714,2cyclictest27721-21sed22:10:230
21694991714,2cyclictest11382-21smartctl23:35:180
21694991714,2cyclictest0-21swapper/021:59:050
21694991713,3cyclictest0-21swapper/022:31:480
21694991713,3cyclictest0-21swapper/022:31:470
2169499171,15cyclictest0-21swapper/022:30:010
2169499170,2cyclictest9040-21latency_hist21:40:010
2169499170,2cyclictest6969-21expr19:40:150
2169499170,2cyclictest3981-21H222:10:210
2169499170,2cyclictest30886-21cron22:20:010
2169499170,2cyclictest2861-21sshd21:28:410
2169499170,2cyclictest26129-21nvmesmart_nvme019:15:180
2169499170,2cyclictest23817-21wc00:00:140
2169499170,2cyclictest17503-21smtpd20:01:490
2169499170,1cyclictest0-21swapper/023:27:230
2169499170,1cyclictest0-21swapper/019:51:050
2169499170,16cyclictest4953-21awk21:30:190
2169499170,16cyclictest3872-21cut00:25:140
2169499170,16cyclictest32613-21cron00:20:000
2169499170,16cyclictest24567-21cron23:05:000
2169499170,16cyclictest17116-21perf20:00:000
2169499170,16cyclictest14918-21expr21:50:110
2169499170,16cyclictest1192-21expr00:20:140
2169499170,16cyclictest10885-21apache_volume20:45:120
2169499170,16cyclictest10885-21apache_volume20:45:110
2169499170,16cyclictest1079-21cups-browsed23:50:220
21699991614,1cyclictest0-21swapper/222:45:162
21699991614,1cyclictest0-21swapper/221:55:162
21699991614,1cyclictest0-21swapper/221:00:192
21699991613,2cyclictest8133-21/usr/sbin/munin20:40:112
21699991613,2cyclictest4228-21/usr/sbin/munin21:30:142
21699991613,2cyclictest3979-21H222:10:212
2169999160,2cyclictest0-21swapper/223:30:092
2169999160,15cyclictest4035-21H222:10:212
2169999160,15cyclictest23562-21sendmail_mailst19:10:212
2169999160,15cyclictest17530-21awk20:55:182
2169999160,15cyclictest0-21swapper/223:25:142
2169999160,15cyclictest0-21swapper/223:05:012
2169999160,15cyclictest0-21swapper/221:25:122
2169999160,15cyclictest0-21swapper/221:15:162
2169999160,15cyclictest0-21swapper/219:50:122
21695991614,1cyclictest0-21swapper/122:40:011
21695991614,1cyclictest0-21swapper/121:05:181
21695991614,1cyclictest0-21swapper/120:30:151
21695991614,1cyclictest0-21swapper/119:50:171
21695991614,1cyclictest0-21swapper/119:40:161
21695991613,2cyclictest4309-21expr00:25:141
21695991613,2cyclictest3979-21H222:10:211
2169599160,2cyclictest8795-21fschecks_count20:40:151
2169599160,2cyclictest4100-21H222:10:211
2169599160,1cyclictest0-21swapper/119:46:031
2169599160,1cyclictest0-21swapper/119:35:191
2169599160,15cyclictest7236-21fschecks_time00:30:151
2169599160,15cyclictest31582-21awk21:20:211
2169599160,15cyclictest28356-21cpuspeed_turbos23:10:281
2169599160,15cyclictest20797-21threads21:00:221
2169599160,15cyclictest14120-21expr20:50:141
2169599160,15cyclictest0-21swapper/123:40:151
2169599160,15cyclictest0-21swapper/122:55:011
2169599160,15cyclictest0-21swapper/122:15:121
2169599160,15cyclictest0-21swapper/121:35:131
2169599160,15cyclictest0-21swapper/120:39:011
2169599160,15cyclictest0-21swapper/120:25:131
2169599160,15cyclictest0-21swapper/120:15:011
2169599160,15cyclictest0-21swapper/119:20:221
21694991615,1cyclictest9-21ksoftirqd/023:22:520
21694991614,1cyclictest6862-21ls00:30:130
21694991614,1cyclictest16885-21awk23:45:180
21694991614,1cyclictest0-21swapper/021:15:180
21694991614,1cyclictest0-21swapper/020:55:170
21694991614,1cyclictest0-21swapper/020:15:030
21694991614,1cyclictest0-21swapper/019:45:170
21694991614,1cyclictest0-21swapper/019:20:150
2169499160,2cyclictest5694-21expr20:35:160
2169499160,2cyclictest1458-21cat19:30:160
2169499160,1cyclictest0-21swapper/022:41:050
2169499160,1cyclictest0-21swapper/019:35:170
2169499160,16cyclictest0-21swapper/022:52:530
2169499160,15cyclictest31629-21awk19:25:210
2169499160,15cyclictest31016-21python322:20:020
2169499160,15cyclictest22016-21apt-get19:10:130
2169499160,15cyclictest0-21swapper/023:18:410
2169499160,15cyclictest0-21swapper/020:40:170
2169499160,15cyclictest0-21swapper/020:25:150
2169999150,15cyclictest0-21swapper/219:20:332
2169599150,1cyclictest0-21swapper/121:55:141
2169599150,1cyclictest0-21swapper/119:25:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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