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2026-03-13 - 00:10
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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 Mar 12, 2026 12:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1109899300,27cyclictest0-21swapper/008:35:290
1109899270,2cyclictest31675-21cpuspeed_turbos08:40:140
1109899240,22cyclictest20008-21man-db07:25:000
11098992316,6cyclictest7289-21cut11:45:010
1109899230,22cyclictest843-21systemd-network12:21:220
1109899230,16cyclictest9845-21sed09:55:010
1110799225,4cyclictest0-21swapper/210:11:432
1109899222,1cyclictest0-21swapper/011:20:180
11098992214,7cyclictest4056-21if_enp1s012:35:140
1109899221,16cyclictest6343-21latency07:55:160
1109899220,2cyclictest19598-21grep09:15:110
1109899220,2cyclictest11910-21cat08:05:130
1109899220,1cyclictest0-21swapper/012:25:120
1109899220,1cyclictest0-21swapper/011:10:010
1109899220,1cyclictest0-21swapper/010:09:480
1109899220,1cyclictest0-21swapper/010:09:470
1109899220,15cyclictest0-21swapper/012:10:140
11107992114,4cyclictest14562-21fschecks_count11:00:122
1110299214,1cyclictest0-21swapper/112:02:011
11102992121,0cyclictest0-21swapper/107:10:151
11102992118,2cyclictest3225-21mailstats09:40:211
11098992114,6cyclictest3120-21hddtemp_smartct07:50:140
1109899211,1cyclictest0-21swapper/008:55:010
1109899210,2cyclictest9304-21nfsd408:55:190
1109899210,2cyclictest815-21grep10:35:170
1109899210,2cyclictest6589-21chrt09:46:060
1109899210,2cyclictest4190-21perf11:40:000
1109899210,2cyclictest30567-21cat11:30:000
1109899210,2cyclictest1079-21cups-browsed08:20:200
1109899210,20cyclictest26741-21/usr/sbin/munin08:30:130
1109899210,20cyclictest20178-21cat10:10:200
1109899210,20cyclictest19844-21readlink12:05:200
1109899210,1cyclictest0-21swapper/011:15:120
1109899210,1cyclictest0-21swapper/009:40:210
1109899210,1cyclictest0-21swapper/009:09:230
1109899210,16cyclictest30025-21hddtemp_smartct10:30:140
1109899210,16cyclictest0-21swapper/007:35:060
1109899210,15cyclictest9828-21grep10:50:180
1109899210,15cyclictest5286-21latency_hist08:50:010
1109899210,15cyclictest0-21swapper/012:30:170
1109899210,15cyclictest0-21swapper/010:16:210
1110299202,1cyclictest0-21swapper/109:22:391
11102992016,3cyclictest0-21swapper/109:45:171
1110299200,19cyclictest843-21systemd-network11:19:021
11098992014,5cyclictest0-21swapper/011:55:120
11098992014,5cyclictest0-21swapper/011:10:190
11098992014,5cyclictest0-21swapper/009:57:240
11098992014,5cyclictest0-21swapper/009:00:120
1109899200,1cyclictest17970-21tr08:15:150
1109899200,19cyclictest149382chrt10:03:030
1109899200,19cyclictest0-21swapper/011:45:260
1109899200,19cyclictest0-21swapper/010:50:000
1109899200,15cyclictest30174-21seq09:30:520
1109899200,15cyclictest0-21swapper/011:00:010
1109899200,15cyclictest0-21swapper/007:40:170
1109899200,14cyclictest0-21swapper/009:20:130
1109899200,14cyclictest0-21swapper/008:02:020
1110799192,16cyclictest0-21swapper/207:53:272
11107991916,2cyclictest13516-21tr11:00:002
11107991915,3cyclictest399-20systemd-journal08:55:012
11107991915,2cyclictest32039-21tr07:45:132
1110799191,17cyclictest1481-21snapd07:35:102
1110799190,5cyclictest0-21swapper/210:49:232
1110799190,17cyclictest0-21swapper/208:54:372
1110299192,16cyclictest14965-21latency09:05:161
11102991915,3cyclictest26786-21munin-plugin-st12:20:001
11098991914,4cyclictest0-21swapper/012:15:440
11098991914,4cyclictest0-21swapper/009:35:200
11098991914,4cyclictest0-21swapper/007:45:150
11098991913,6cyclictest0-21swapper/009:25:190
11098991913,5cyclictest24498-21timerandwakeup08:25:220
11098991913,5cyclictest0-21swapper/010:20:170
11098991912,6cyclictest15736-21nfsd407:15:170
1109899190,1cyclictest0-21swapper/010:40:110
1109899190,18cyclictest0-21swapper/011:50:130
1109899190,18cyclictest0-21swapper/011:50:120
1109899190,18cyclictest0-21swapper/007:31:130
1109899190,18cyclictest0-21swapper/007:11:050
1109899190,0cyclictest0-21swapper/011:02:290
1109899190,0cyclictest0-21swapper/008:10:120
1110799182,15cyclictest231062sleep212:10:392
1110799182,15cyclictest11785-21expr08:05:132
11107991814,3cyclictest0-21swapper/209:15:122
11107991813,4cyclictest870-21systemd-logind08:16:522
1110299182,1cyclictest32581-21http_loadtime07:45:151
11102991816,1cyclictest13003-21expr11:55:141
11102991816,1cyclictest0-21swapper/111:28:461
11102991815,2cyclictest0-21swapper/110:45:181
1110299181,2cyclictest5399-21if_eno111:40:151
1110299181,2cyclictest30474-21chrt09:34:521
1110299181,16cyclictest3550-21vmstat11:35:221
1110299181,11cyclictest25180-21latency_hist08:30:011
1110299180,17cyclictest0-21swapper/108:55:131
11098991814,3cyclictest0-21swapper/009:10:150
11098991814,3cyclictest0-21swapper/007:25:160
11098991813,4cyclictest0-21swapper/010:25:140
11107991715,1cyclictest21855-21cat07:25:172
11107991715,1cyclictest0-21swapper/212:25:002
11107991714,2cyclictest7478-21cpuspeed_turbos09:50:132
11107991714,2cyclictest27300-21perl10:25:142
11107991714,2cyclictest24676-21vmstat11:15:202
11107991714,2cyclictest1906-21expr11:35:132
11107991714,2cyclictest15912-21ntpq07:15:172
11107991711,4cyclictest1166-21latency_hist09:40:012
1110799170,2cyclictest5208-21fschecks_count11:40:142
1110799170,2cyclictest3414-21master12:09:392
1110799170,2cyclictest30558-21if_enp1s012:25:152
1110799170,2cyclictest21834-21hddtemp_smartct10:15:142
1110799170,2cyclictest2007-21systemd-journal11:06:522
1110799170,2cyclictest1484-21snapd10:37:382
1110799170,1cyclictest3989-21H222:10:212
1110799170,16cyclictest8835-21pzem_current11:45:192
1110799170,16cyclictest5601-21lxd08:38:422
1110799170,16cyclictest510-21processes08:40:192
1110799170,16cyclictest3414-21master09:46:342
1110799170,16cyclictest3194-21pzem09:40:192
1110799170,16cyclictest29618-21expr10:30:122
1110799170,16cyclictest27880-21grep09:30:012
1110799170,16cyclictest24247-21/usr/sbin/munin12:15:152
1110799170,16cyclictest23490-21/usr/sbin/munin07:30:192
1110799170,16cyclictest2311-21/usr/sbin/munin08:45:192
1110799170,16cyclictest20268-21expr08:20:122
1110799170,16cyclictest17150-21switchtime12:00:202
1110799170,16cyclictest13548-21cron09:09:552
1110799170,16cyclictest13394-21cut10:00:132
1110799170,16cyclictest11248-21nfsd409:55:182
1110799170,16cyclictest1079-21cups-browsed08:00:202
11102991714,2cyclictest27054-21nfsd408:30:151
11102991714,2cyclictest26810-21expr07:35:131
11102991714,2cyclictest1515-21lxd09:02:421
11102991714,2cyclictest11436-21ntp_offset11:50:181
11102991714,2cyclictest11436-21ntp_offset11:50:171
11102991713,3cyclictest23237-21anvil10:17:231
1110299171,15cyclictest257612chrt07:34:311
1110299170,2cyclictest3058-21rs:main1
1110299170,2cyclictest28906-21expr08:35:141
1110299170,2cyclictest22013-21python309:20:011
1110299170,2cyclictest20691-21fschecks_time11:10:131
1110299170,2cyclictest14446-21sed07:15:031
1110299170,2cyclictest0-21swapper/111:45:141
1110299170,16cyclictest8331-21appstreamcli08:00:011
1110299170,16cyclictest8184-21if_lxdbr009:50:161
1110299170,16cyclictest6866-21pzem_current07:55:201
1110299170,16cyclictest4213-21grep07:50:201
1110299170,16cyclictest31012-21cpuspeed_turbos09:35:121
1110299170,16cyclictest29450-21expr07:40:141
1110299170,16cyclictest20205-21expr08:20:121
1110299170,16cyclictest1526-21lxd12:20:431
1110299170,16cyclictest1523-21lxd10:06:421
1110299170,16cyclictest1523-21lxd10:06:421
1110299170,16cyclictest13903-21awk11:00:091
1110299170,16cyclictest12375-21munin-run10:00:001
1110299170,16cyclictest11528-21gpgconf08:05:011
1110299170,16cyclictest1085-21gdbus12:25:201
1110299170,16cyclictest1035-21thermald08:50:211
1110299170,16cyclictest0-21swapper/112:35:161
1110299170,16cyclictest0-21swapper/111:30:161
11098991714,2cyclictest0-21swapper/012:00:110
11107991615,0cyclictest0-21swapper/212:35:132
11107991614,1cyclictest8651-21cpuspeed_turbos10:50:132
11107991614,1cyclictest1521-21lxd08:26:422
11107991614,1cyclictest0-21swapper/211:30:132
11107991614,1cyclictest0-21swapper/209:20:022
11107991614,1cyclictest0-21swapper/209:10:152
11107991614,1cyclictest0-21swapper/209:00:182
11107991614,1cyclictest0-21swapper/207:55:132
11107991614,1cyclictest0-21swapper/207:42:542
11107991613,2cyclictest21087-21missed_timers11:10:162
1110799160,2cyclictest15881-21expr10:05:142
1110799160,2cyclictest15881-21expr10:05:132
1110799160,1cyclictest0-21swapper/211:55:102
1110799160,1cyclictest0-21swapper/211:20:132
1110799160,15cyclictest3707-21master07:20:032
1110799160,15cyclictest3438-21fschecks_count10:40:132
1110799160,15cyclictest28325-21grep09:30:122
1110799160,15cyclictest26111-21cstates08:30:122
1110799160,15cyclictest0-21swapper/212:30:152
1110799160,15cyclictest0-21swapper/211:50:152
1110799160,15cyclictest0-21swapper/211:50:152
1110799160,15cyclictest0-21swapper/211:25:202
1110799160,15cyclictest0-21swapper/210:20:152
1110799160,15cyclictest0-21swapper/208:10:162
11102991614,1cyclictest0-21swapper/112:05:181
11102991614,1cyclictest0-21swapper/111:20:151
11102991614,1cyclictest0-21swapper/110:04:311
11102991614,1cyclictest0-21swapper/109:10:141
11102991614,1cyclictest0-21swapper/108:45:011
11102991614,1cyclictest0-21swapper/108:40:131
11102991613,2cyclictest18688-21expr10:10:131
1110299161,1cyclictest0-21swapper/110:20:131
1110299160,2cyclictest17607-21expr08:15:151
1110299160,1cyclictest3632-21smartctl10:40:131
1110299160,15cyclictest17094-21acpi11:05:101
1110299160,15cyclictest14496-21/usr/sbin/munin08:10:121
1110299160,15cyclictest0-21swapper/112:30:151
1110299160,15cyclictest0-21swapper/112:10:131
1110299160,15cyclictest0-21swapper/110:55:161
1110299160,15cyclictest0-21swapper/110:25:171
1110299160,15cyclictest0-21swapper/107:20:131
11102991513,1cyclictest25972-21expr09:25:141
11102991512,2cyclictest29929-21fschecks_count10:30:131
1110299150,1cyclictest0-21swapper/110:35:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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