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2025-02-18 - 23:11
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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 376 highest latencies:
System rackdslot0.osadl.org (updated Tue Feb 18, 2025 12:46:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20415992616,3cyclictest0-21swapper/110:37:401
2041599230,22cyclictest0-21swapper/111:14:001
20414992317,5cyclictest0-21swapper/010:00:000
2041599210,18cyclictest0-21swapper/112:23:201
20415992017,2cyclictest3350-21master08:57:351
2041999193,16cyclictest0-21swapper/210:01:262
20419991917,1cyclictest28-21ksoftirqd/208:13:222
20419991914,3cyclictest0-21swapper/210:25:002
2041999190,18cyclictest414-20systemd-journal08:58:382
2041999190,16cyclictest4532-21H212:26:332
20415991916,1cyclictest0-21swapper/109:04:181
2041599190,18cyclictest0-21swapper/109:48:391
20414991914,3cyclictest0-21swapper/011:46:030
2041499191,16cyclictest0-21swapper/008:55:170
2041499190,18cyclictest0-21swapper/011:55:000
2041499190,15cyclictest0-21swapper/011:12:470
2041999182,2cyclictest970-21dbus-daemon07:10:232
2041999182,1cyclictest0-21swapper/207:21:462
2041999182,15cyclictest1972-21chrt10:43:142
20419991815,2cyclictest20572-21nfsd408:05:192
2041999181,16cyclictest2625-21nfsd408:30:212
2041999181,16cyclictest0-21swapper/211:26:352
2041999180,3cyclictest1845-21systemd-journal09:08:212
2041999180,17cyclictest26273-21nfsd411:35:192
2041999180,15cyclictest4523-21H212:26:332
20415991816,1cyclictest20166-21ntp_kernel_pll_11:20:201
20415991816,1cyclictest0-21swapper/112:39:461
20415991816,1cyclictest0-21swapper/108:00:151
20415991815,2cyclictest9146-21timerwakeupswit08:40:231
20415991814,3cyclictest1555-21lxd12:02:471
2041599181,2cyclictest21408-21chrt08:06:471
2041599181,16cyclictest5587-21grep08:35:191
20414991815,2cyclictest12982-21nfsd412:15:190
20414991814,3cyclictest0-21swapper/010:43:560
20414991814,3cyclictest0-21swapper/010:29:140
20414991814,3cyclictest0-21swapper/010:00:130
20414991814,3cyclictest0-21swapper/008:00:170
2041499180,3cyclictest27536-21lxd11:07:010
2041499180,18cyclictest0-21swapper/010:20:240
2041499180,17cyclictest3707-21lxd07:41:010
2041999172,1cyclictest4514-21cpuspeed_turbos09:40:142
20419991715,1cyclictest0-21swapper/209:15:192
20419991715,1cyclictest0-21swapper/209:15:192
20419991714,2cyclictest8487-21sort12:09:002
20419991714,2cyclictest7330-21grep08:40:152
20419991714,2cyclictest1967-21awk09:35:142
20419991714,2cyclictest18929-21timerwakeupswit10:10:222
20419991714,2cyclictest16171-21switchtime12:20:182
20419991714,2cyclictest1356-21lxd11:34:462
20419991714,2cyclictest13150-21latency_hist10:00:002
20419991714,2cyclictest10174-21missed_timers12:10:142
2041999171,15cyclictest1949-21cpuspeed_turbos11:55:132
2041999170,2cyclictest881-21avahi-daemon12:15:222
2041999170,2cyclictest7515-21needreboot10:55:192
2041999170,2cyclictest21237-21expr12:35:142
2041999170,2cyclictest12689-21pzem_energy07:50:262
2041999170,1cyclictest4528-21H212:26:332
2041999170,1cyclictest17223-21timerandwakeup11:15:222
2041999170,16cyclictest5627-21fschecks_time12:00:162
2041999170,16cyclictest31394-21/usr/sbin/munin11:50:162
2041999170,16cyclictest24154-21fschecks_time07:15:162
2041999170,16cyclictest18940-21awk12:30:122
2041999170,16cyclictest16516-21php7.010:09:012
2041999170,16cyclictest1555-21lxd10:33:012
2041999170,16cyclictest1134-21snapd12:26:302
2041999170,16cyclictest0-21swapper/210:45:302
2041599179,3cyclictest0-21swapper/107:32:401
2041599179,3cyclictest0-21swapper/107:32:401
20415991715,1cyclictest21-21ksoftirqd/108:13:331
20415991715,1cyclictest0-21swapper/109:30:301
20415991715,1cyclictest0-21swapper/107:25:011
20415991714,2cyclictest8433-21apache_accesses07:45:121
20415991714,2cyclictest4526-21H212:26:331
20415991714,2cyclictest4462-21grep12:00:001
20415991714,2cyclictest3692-21master11:28:411
20415991714,2cyclictest20888-21fschecks_time10:15:151
20415991714,2cyclictest20728-21apache_accesses07:10:141
20415991714,2cyclictest1374-21munin-node11:49:251
20415991714,2cyclictest11382-21cpuspeed_turbos07:50:171
2041599170,2cyclictest9627-21switchtime09:50:171
2041599170,2cyclictest32205-21awk08:25:191
2041599170,2cyclictest26734-21ntp_kernel_err08:15:191
2041599170,2cyclictest19588-21munin-plugin-st10:15:011
2041599170,2cyclictest15470-21/usr/sbin/munin11:15:121
2041599170,2cyclictest14698-21/usr/sbin/munin07:55:171
2041599170,2cyclictest14698-21/usr/sbin/munin07:55:171
2041599170,1cyclictest4523-21H212:26:331
2041599170,1cyclictest0-21swapper/112:27:211
2041599170,16cyclictest7241-21sed07:40:211
2041599170,16cyclictest454-21plymouthd11:40:141
2041599170,16cyclictest3726-21sed07:35:181
2041599170,16cyclictest3656-21cpuspeed_turbos10:50:101
2041599170,16cyclictest3075-21in:imuxsock09:22:521
2041599170,16cyclictest28766-21fschecks_count08:20:151
2041599170,16cyclictest25944-21chrt10:28:471
2041599170,16cyclictest23369-21expr10:20:161
2041599170,16cyclictest22446-21fschecks_count09:10:111
2041599170,16cyclictest12371-21perf11:10:011
2041599170,16cyclictest10127-21cpuspeed_turbos08:45:121
2041599170,16cyclictest0-21swapper/111:36:431
2041499172,15cyclictest4537-21H212:26:330
20414991715,1cyclictest20251-21chrt09:02:210
20414991715,1cyclictest0-21swapper/008:10:210
20414991714,2cyclictest9651-21grep07:45:190
20414991714,2cyclictest881-21avahi-daemon07:55:250
20414991714,2cyclictest881-21avahi-daemon07:55:250
20414991714,2cyclictest3707-21lxd10:47:010
20414991714,2cyclictest20522-21sed12:35:010
20414991714,2cyclictest1147-21snapd11:26:130
20414991714,2cyclictest0-21swapper/008:25:190
2041499171,15cyclictest4528-21H212:26:330
2041499170,2cyclictest4689-21expr08:35:150
2041499170,2cyclictest3692-21master11:38:410
2041499170,2cyclictest2457-21apache_processe07:35:120
2041499170,2cyclictest1555-21lxd11:56:470
2041499170,16cyclictest5567-21cut12:00:150
2041499170,16cyclictest4526-21H212:26:330
2041499170,16cyclictest3066-21systemd-logind07:31:070
2041499170,16cyclictest3066-21systemd-logind07:31:070
2041499170,16cyclictest29802-21/usr/sbin/munin10:35:150
2041499170,16cyclictest28544-21expr08:20:140
2041499170,16cyclictest27726-21processes07:20:220
2041499170,16cyclictest25355-21find08:15:120
2041499170,16cyclictest24692-21expr09:15:150
2041499170,16cyclictest24692-21expr09:15:150
2041499170,16cyclictest23045-21ls11:30:110
2041499170,16cyclictest21057-21expr07:10:160
2041499170,16cyclictest17420-21awk11:15:220
2041499170,16cyclictest16558-21taskset12:21:240
2041499170,16cyclictest1653-21expr09:35:120
2041499170,16cyclictest10295-21grep12:10:140
2041499170,15cyclictest4536-21H212:26:330
2041499170,15cyclictest3441-21gsd-color09:09:240
20419991614,1cyclictest18492chrt07:33:172
20419991614,1cyclictest18492chrt07:33:172
20419991614,1cyclictest0-21swapper/211:20:142
20419991614,1cyclictest0-21swapper/209:00:122
20419991614,1cyclictest0-21swapper/208:45:142
20419991614,1cyclictest0-21swapper/208:35:152
20419991614,1cyclictest0-21swapper/208:16:542
20419991614,1cyclictest0-21swapper/208:00:182
20419991614,1cyclictest0-21swapper/207:35:152
20419991614,1cyclictest0-21swapper/207:25:162
20419991613,2cyclictest12787-21cpuspeed_turbos08:50:162
20419991612,3cyclictest1155-21snapd09:26:132
2041999160,1cyclictest4532-21H212:26:332
2041999160,1cyclictest4526-21H212:26:332
2041999160,1cyclictest0-21swapper/211:40:152
2041999160,1cyclictest0-21swapper/211:10:102
2041999160,1cyclictest0-21swapper/211:00:162
2041999160,1cyclictest0-21swapper/211:00:162
2041999160,1cyclictest0-21swapper/209:50:142
2041999160,1cyclictest0-21swapper/208:25:142
2041999160,15cyclictest29182-21missed_timers08:20:172
2041999160,15cyclictest0-21swapper/210:50:092
2041999160,15cyclictest0-21swapper/209:50:022
2041999160,15cyclictest0-21swapper/209:35:012
2041999160,15cyclictest0-21swapper/209:20:222
2041999160,15cyclictest0-21swapper/209:10:102
2041999160,15cyclictest0-21swapper/207:55:152
2041999160,15cyclictest0-21swapper/207:55:152
2041999160,15cyclictest0-21swapper/207:45:142
20415991614,1cyclictest7959-21appstreamcli12:05:011
20415991614,1cyclictest18018-21/usr/sbin/munin12:30:091
20415991614,1cyclictest0-21swapper/112:15:181
20415991614,1cyclictest0-21swapper/111:00:151
20415991614,1cyclictest0-21swapper/111:00:151
20415991614,1cyclictest0-21swapper/110:40:111
20415991614,1cyclictest0-21swapper/110:30:131
20415991614,1cyclictest0-21swapper/110:00:131
20415991614,1cyclictest0-21swapper/109:30:011
20415991614,1cyclictest0-21swapper/108:50:161
20415991614,1cyclictest0-21swapper/107:25:161
2041599160,1cyclictest0-21swapper/109:55:141
2041599160,1cyclictest0-21swapper/109:40:141
2041599160,1cyclictest0-21swapper/109:09:011
2041599160,1cyclictest0-21swapper/108:30:171
2041599160,15cyclictest31802-21expr11:50:091
2041599160,15cyclictest2804-21pzem_voltage09:35:191
2041599160,15cyclictest24577-21cpu09:15:151
2041599160,15cyclictest24577-21cpu09:15:151
2041599160,15cyclictest0-21swapper/111:30:161
2041599160,15cyclictest0-21swapper/110:55:161
2041599160,15cyclictest0-21swapper/110:06:291
2041599160,15cyclictest0-21swapper/107:15:151
20414991614,1cyclictest0-21swapper/012:25:560
20414991614,1cyclictest0-21swapper/012:10:000
20414991614,1cyclictest0-21swapper/009:50:090
20414991614,1cyclictest0-21swapper/009:26:100
20414991614,1cyclictest0-21swapper/008:45:120
20414991614,1cyclictest0-21swapper/008:30:140
2041499160,2cyclictest28250-21cat11:40:140
2041499160,1cyclictest30465-21nfsd407:25:170
2041499160,1cyclictest0-21swapper/009:48:220
2041499160,1cyclictest0-21swapper/008:05:190
2041499160,15cyclictest7174-21if_enp1s010:55:180
2041499160,15cyclictest20081-21cnf-update-db10:15:040
2041499160,15cyclictest11269-21cpuspeed_turbos07:50:170
2041499160,15cyclictest0-21swapper/012:35:140
2041499160,15cyclictest0-21swapper/011:00:220
2041499160,15cyclictest0-21swapper/011:00:220
2041499160,15cyclictest0-21swapper/010:50:100
2041499160,15cyclictest0-21swapper/009:40:140
2041499160,15cyclictest0-21swapper/009:30:100
2041499160,15cyclictest0-21swapper/009:20:160
2041499160,15cyclictest0-21swapper/008:50:240
2041499160,15cyclictest0-21swapper/007:15:190
2041999150,15cyclictest0-21swapper/210:25:082
20414991514,1cyclictest0-21swapper/010:09:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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