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2024-11-22 - 02:29
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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 all highest latencies:
System rackdslot0.osadl.org (updated Thu Nov 21, 2024 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16208992625,0cyclictest0-21swapper/110:45:151
1621599236,13cyclictest0-21swapper/209:27:222
1621599230,17cyclictest454-21plymouthd08:30:222
1620299230,3cyclictest19761-21cut09:10:010
1620299230,22cyclictest8485-21cat08:50:140
1620299230,22cyclictest18987-21expr11:05:140
1620299230,21cyclictest24601-21logrotate07:25:010
16215992216,5cyclictest17715-21nfsd407:10:172
16215992215,6cyclictest15332-21ntpq09:00:182
16215992214,7cyclictest4523-21H212:26:332
1621599221,2cyclictest8685-21latency_hist11:45:012
1621599221,15cyclictest26315-21if_lxdbr009:20:162
1621599220,2cyclictest23376-21ntp_states07:20:192
1621599220,2cyclictest17073-21grep11:00:182
1621599220,21cyclictest4538-21H212:26:332
1621599220,21cyclictest4134-21/usr/sbin/munin09:40:172
1621599220,21cyclictest20970-21awk12:05:172
1621599220,21cyclictest0-21swapper/208:18:212
1621599220,1cyclictest0-21swapper/208:40:122
1621599220,1cyclictest0-21swapper/207:25:162
1621599220,16cyclictest9067-21grep09:50:172
1621599220,16cyclictest2439-21perf11:35:002
1621599220,16cyclictest2084-21latency_hist08:40:012
1621599220,15cyclictest11182-21dpkg09:55:122
1620899222,17cyclictest0-21swapper/111:42:271
16202992215,6cyclictest19807-21cpuspeed_turbos12:05:120
16202992212,5cyclictest17421-21cut07:10:160
1620299220,7cyclictest32020-21awk12:25:180
1620299220,7cyclictest28124-21expr10:25:120
1620299220,3cyclictest9936-21cut11:45:180
1620299220,2cyclictest20799-21cpu08:15:150
1620299220,2cyclictest12226-21latency_hist08:00:010
1620299220,21cyclictest16590-21apt-config09:05:010
1620299220,21cyclictest12246-21sort08:55:170
1620299220,21cyclictest1215-21cpuspeed_turbos07:40:140
1620299220,1cyclictest0-21swapper/010:55:010
1620299220,1cyclictest0-21swapper/007:45:200
1620299220,16cyclictest23538-21cpu08:20:170
1621599212,1cyclictest0-21swapper/207:35:202
16215992114,6cyclictest6380-21memory08:45:172
16215992114,6cyclictest0-21swapper/212:39:142
16215992114,6cyclictest0-21swapper/211:45:172
16215992114,6cyclictest0-21swapper/210:34:562
16215992112,8cyclictest1405-21lxd11:09:012
1621599210,20cyclictest29711-21switchtime12:20:232
1621599210,20cyclictest0-21swapper/212:25:222
1621599210,20cyclictest0-21swapper/208:03:102
1621599210,20cyclictest0-21swapper/207:33:272
1621599210,1cyclictest0-21swapper/210:45:222
1621599210,1cyclictest0-21swapper/208:30:012
1621599210,16cyclictest4523-21H212:26:332
1621599210,16cyclictest4523-21H212:26:332
1621599210,16cyclictest28679-21grep10:25:152
1621599210,16cyclictest28011-21ls11:20:162
1621599210,16cyclictest14499-21df10:00:132
1621599210,16cyclictest13255-21timerandwakeup11:50:292
1621599210,16cyclictest12564-21taskset10:53:312
1621599210,15cyclictest0-21swapper/212:14:032
1621599210,15cyclictest0-21swapper/210:05:182
16208992112,0cyclictest0-21swapper/112:35:141
16202992114,6cyclictest11500-21/usr/sbin/munin11:50:180
1620299210,2cyclictest4596-21ls12:35:120
1620299210,2cyclictest2983-21expr09:40:120
1620299210,2cyclictest13647-21latency_hist10:00:010
1620299210,20cyclictest3515-21expr11:35:140
1620299210,20cyclictest28624-21munin-run09:30:010
1620299210,20cyclictest27232-21expr11:20:130
1620299210,20cyclictest21670-21grep07:20:010
1620299210,20cyclictest0-21swapper/011:55:170
1620299210,20cyclictest0-21swapper/010:00:120
1620299210,20cyclictest0-21swapper/009:10:120
1620299210,20cyclictest0-21swapper/008:05:190
1620299210,20cyclictest0-21swapper/007:28:460
1620299210,1cyclictest0-21swapper/012:10:190
1620299210,1cyclictest0-21swapper/011:20:010
1620299210,1cyclictest0-21swapper/010:49:540
1620299210,1cyclictest0-21swapper/008:40:130
1620299210,1cyclictest0-21swapper/008:25:130
1620299210,19cyclictest297622chrt07:31:220
1620299210,19cyclictest0-21swapper/010:35:120
1620299210,16cyclictest25418-21/usr/sbin/munin09:20:200
1620299210,15cyclictest7438-21awk11:40:180
16215992014,5cyclictest4581-21H212:26:332
16215992014,5cyclictest18030-21apt-get08:10:132
16215992014,5cyclictest0-21swapper/212:30:182
16215992014,5cyclictest0-21swapper/209:45:422
16215992014,5cyclictest0-21swapper/209:35:132
16215992013,6cyclictest15578-21grep11:55:172
16215992012,7cyclictest9452-21ntp_states08:50:192
16215992012,7cyclictest14983-21timerwakeupswit10:55:212
1621599200,1cyclictest0-21swapper/211:27:432
1621599200,1cyclictest0-21swapper/208:20:192
1621599200,1cyclictest0-21swapper/207:50:172
1621599200,19cyclictest1889-21df10:35:132
1621599200,19cyclictest0-21swapper/211:15:172
1621599200,19cyclictest0-21swapper/209:15:012
1621599200,16cyclictest21544-21cpuspeed_turbos11:10:182
1621599200,15cyclictest28930-21apache_accesses09:30:092
1621599200,15cyclictest0-21swapper/212:15:152
1621599200,15cyclictest0-21swapper/211:36:112
1621599200,15cyclictest0-21swapper/210:15:312
16208992016,1cyclictest0-21swapper/107:34:401
16208992014,5cyclictest0-21swapper/110:50:171
1620899200,17cyclictest0-21swapper/110:39:321
16202992014,5cyclictest5998-21grep08:45:140
16202992014,5cyclictest15612sleep008:38:340
16202992014,5cyclictest0-21swapper/010:40:500
16202992013,6cyclictest0-21swapper/012:15:230
16202992013,6cyclictest0-21swapper/007:35:120
1620299200,2cyclictest31274-21expr10:30:130
1620299200,2cyclictest2032-21find09:38:590
1620299200,1cyclictest0-21swapper/011:10:160
1620299200,1cyclictest0-21swapper/011:00:000
1620299200,1cyclictest0-21swapper/010:10:150
1620299200,1cyclictest0-21swapper/009:50:160
1620299200,1cyclictest0-21swapper/008:00:170
1620299200,19cyclictest1355-21lxd11:25:010
1620299200,19cyclictest0-21swapper/012:00:160
1620299200,19cyclictest0-21swapper/012:00:160
1620299200,19cyclictest0-21swapper/010:15:190
1620299200,19cyclictest0-21swapper/009:30:110
1620299200,19cyclictest0-21swapper/008:10:130
1620299200,16cyclictest4593-21H212:26:330
1620299200,15cyclictest30223-21awk08:30:180
1620299200,0cyclictest0-21swapper/010:06:530
16215991913,5cyclictest0-21swapper/208:55:492
16215991913,5cyclictest0-21swapper/207:42:082
16215991912,6cyclictest16597-21ps08:05:212
1621599190,1cyclictest0-21swapper/210:10:212
1621599190,18cyclictest0-21swapper/207:58:522
1621599190,18cyclictest0-21swapper/207:45:142
1621599190,16cyclictest4593-21H212:26:332
1621599190,15cyclictest17664-21/usr/sbin/munin09:05:142
1620899192,16cyclictest0-21swapper/109:39:411
16208991917,1cyclictest0-21swapper/110:31:311
16208991916,2cyclictest4581-21H212:26:331
16208991916,1cyclictest0-21swapper/108:09:311
16208991914,2cyclictest4526-21H212:26:331
1620899190,2cyclictest24928-21munin-run07:25:021
1620899190,16cyclictest4523-21H212:26:331
16202991913,5cyclictest1525-21open_files11:30:190
1620299190,1cyclictest0-21swapper/012:30:240
1620299190,1cyclictest0-21swapper/007:50:130
1620299190,15cyclictest1355-21lxd09:45:010
1620299190,0cyclictest0-21swapper/012:20:230
1620299190,0cyclictest0-21swapper/011:02:030
16208991816,1cyclictest21-21ksoftirqd/111:58:121
16208991816,1cyclictest0-21swapper/108:46:321
16208991814,3cyclictest21296-21cron07:17:011
16208991814,3cyclictest0-21swapper/107:56:581
1620899181,1cyclictest4528-21H212:26:331
1620899181,11cyclictest6858-21perf10:45:011
1620899180,3cyclictest4530-21H212:26:331
1620899180,17cyclictest4593-21H212:26:331
1620899180,17cyclictest4581-21H212:26:331
1620899180,17cyclictest4530-21H212:26:331
1620899180,15cyclictest4593-21H212:26:331
1620299180,17cyclictest0-21swapper/009:15:240
16208991715,1cyclictest0-21swapper/108:54:161
16208991715,1cyclictest0-21swapper/108:15:201
16208991714,2cyclictest7287-21run-parts09:45:211
16208991714,2cyclictest4530-21H212:26:331
16208991714,2cyclictest4526-21H212:26:331
16208991714,2cyclictest30473-21apt07:35:121
16208991714,2cyclictest27906-21ls11:20:171
16208991714,2cyclictest27723-21chrt09:24:551
16208991714,2cyclictest25592-21cstates12:15:141
16208991714,2cyclictest23478-21/usr/sbin/munin08:20:221
16208991714,2cyclictest13233-21proxymap09:56:481
16208991714,2cyclictest0-21swapper/109:50:141
16208991713,3cyclictest4538-21H212:26:331
16208991713,3cyclictest4523-21H212:26:331
16208991713,3cyclictest0-21swapper/112:01:011
16208991713,3cyclictest0-21swapper/112:01:011
1620899170,2cyclictest4593-21H212:26:331
1620899170,2cyclictest4526-21H212:26:331
1620899170,2cyclictest28282-21cstates10:25:121
1620899170,2cyclictest1891-21if_eno107:40:161
1620899170,1cyclictest0-21swapper/112:10:391
1620899170,1cyclictest0-21swapper/107:46:001
1620899170,16cyclictest4538-21H212:26:331
1620899170,16cyclictest4532-21H212:26:331
1620899170,16cyclictest4526-21H212:26:331
1620899170,16cyclictest4500-21VM12:26:331
1620899170,16cyclictest3176-21expr09:40:121
1620899170,16cyclictest30503-21latency_hist12:25:001
1620899170,16cyclictest2855-21/usr/sbin/munin11:35:231
1620899170,16cyclictest17029-21cstates10:05:131
1620899170,15cyclictest4526-21H212:26:331
16208991614,1cyclictest20714-21sort09:10:141
16208991614,1cyclictest0-21swapper/110:00:341
16208991614,1cyclictest0-21swapper/107:50:131
16208991613,2cyclictest30078-21grep09:30:161
1620899161,1cyclictest0-21swapper/107:10:171
1620899160,2cyclictest12873-21expr08:00:171
1620899160,1cyclictest0-21swapper/111:10:191
1620899160,15cyclictest24165-21postgres11:15:061
1620899160,15cyclictest16326-21cstates11:00:131
1620899160,15cyclictest0-21swapper/111:25:201
1620899160,15cyclictest0-21swapper/110:55:161
1620899160,0cyclictest0-21swapper/109:26:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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