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2025-11-18 - 19:12
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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 rackbslot1.osadl.org (updated Tue Nov 18, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30252592207163,34sleep30-21swapper/307:06:293
30252782201170,23sleep20-21swapper/207:06:452
30254172195171,14sleep10-21swapper/107:08:241
30255052188163,15sleep00-21swapper/007:09:310
3025719996966,2cyclictest3202180-21kworker/u8:0+events_unbound10:15:192
3025713996764,2cyclictest3340975-21kworker/u8:2+flush-179:012:15:360
3025713996763,2cyclictest3125627-21ChromeDriver00:55:190
3025719996256,4cyclictest3063146-21chrome07:45:012
3025719996051,3cyclictest3103583-21kworker/u8:5+events_unbound10:45:102
302571999603,56cyclictest3222658-21kworker/u8:4+efi_rts_wq10:39:172
302571399609,51cyclictest3222658-21kworker/u8:4+efi_rts_wq10:39:170
3025718995952,5cyclictest3320896-21latency_hist11:55:001
3025719995855,2cyclictest3222658-21kworker/u8:4+flush-179:010:55:132
3025719995854,3cyclictest3032190-21kworker/u8:4+flush-179:007:25:112
3025719995833,24cyclictest3025575-21munin-update07:10:052
3025719995833,23cyclictest3192205-21munin-update09:50:062
3025720995751,5cyclictest247560-21ThreadPoolForeg12:00:353
3025719995751,5cyclictest247560-21ThreadPoolForeg09:10:002
3025713995753,3cyclictest3202180-21kworker/u8:0+events_unbound10:15:140
3025719995652,3cyclictest3340975-21kworker/u8:2+events_unbound12:20:302
3025719995652,3cyclictest3176539-21kworker/u8:3+events_unbound09:35:312
3025713995653,2cyclictest3284078-21kworker/u8:4+flush-179:011:20:210
3025713995653,2cyclictest3103583-21kworker/u8:5+events_unbound11:00:130
3025713995640,14cyclictest3124689-21ThreadPoolForeg08:45:020
3025719995551,3cyclictest3052296-21kworker/u8:4+flush-179:008:40:222
3025713995551,2cyclictest3320674-21kworker/u8:3+events_unbound12:00:200
3025720995443,10cyclictest3103583-21kworker/u8:5+events_unbound09:20:093
3025719995450,3cyclictest3067901-21kworker/u8:3+events_unbound07:55:012
3025713995450,3cyclictest3052296-21kworker/u8:4+flush-179:008:10:040
3025713995450,3cyclictest3052296-21kworker/u8:4+flush-179:008:10:040
3025719995349,3cyclictest3315484-21kworker/u8:1+events_unbound12:10:132
3025719995349,3cyclictest3273967-21kworker/u8:1+flush-179:011:36:382
3025719995349,3cyclictest3125725-21ThreadPoolForeg08:50:002
3025719995348,4cyclictest3099121-21/usr/share/muni08:20:142
3025713995350,2cyclictest3032190-21kworker/u8:4+events_unbound07:25:000
3025713995349,3cyclictest3051845-21munin-limits07:30:340
3025713995347,4cyclictest3062844-21latency_hist07:45:020
3025719995246,2cyclictest3284078-21kworker/u8:4+flush-179:011:20:182
302571399522,49cyclictest3125630-13chrome10:05:150
3025719995147,3cyclictest3134932-21kworker/u8:1+events_unbound09:00:352
3025718995144,5cyclictest3361416-31munin-graph12:31:281
3025713995148,2cyclictest3222658-21kworker/u8:4+events_unbound10:31:070
3025713995148,2cyclictest3052296-21kworker/u8:4+events_unbound08:55:180
3025713995147,3cyclictest3340975-21kworker/u8:2+events_unbound12:35:390
3025713995146,4cyclictest3103583-21kworker/u8:5+flush-179:010:00:230
3025713995146,4cyclictest3103583-21kworker/u8:5+flush-179:010:00:230
3025720995047,2cyclictest3134932-21kworker/u8:1+flush-179:009:25:043
3025720995044,5cyclictest3300494-21/usr/share/muni11:35:143
3025719995047,2cyclictest3103580-21kworker/u8:0+flush-179:008:51:332
3025719995045,4cyclictest3103583-21kworker/u8:5+flush-179:010:00:172
3025719995045,4cyclictest3103583-21kworker/u8:5+flush-179:010:00:162
3025713995047,2cyclictest3134932-21kworker/u8:1+flush-179:009:15:210
3025720994945,3cyclictest3103583-21kworker/u8:5+flush-179:009:12:593
3025719994946,2cyclictest3320674-21kworker/u8:3+flush-179:011:55:272
3025719994945,3cyclictest3361041-21kworker/u8:0+flush-179:012:35:202
3025719994945,3cyclictest3057405-21kworker/u8:1+flush-179:008:15:012
3025719994945,3cyclictest3057405-21kworker/u8:1+flush-179:008:15:012
3025718994944,4cyclictest3171256-21kworker/u8:2+flush-179:009:55:111
3025713994946,2cyclictest3222658-21kworker/u8:4+events_unbound10:55:080
3025713994946,2cyclictest3103583-21kworker/u8:5+events_unbound09:55:210
3025713994946,1cyclictest3361839-21munin-run12:35:000
3025713994945,3cyclictest3294805-21kworker/u8:0+flush-179:012:05:390
3025713994945,3cyclictest3134932-21kworker/u8:1+flush-179:009:20:570
3025713994945,3cyclictest3103580-21kworker/u8:0+flush-179:008:24:240
3025713994945,3cyclictest2896793-21kworker/u8:2+events_unbound07:15:340
3025720994844,3cyclictest76405-21systemd-journal11:55:213
3025720994843,3cyclictest3197696-21/usr/share/muni09:55:053
3025720994842,5cyclictest3078630-21/usr/share/muni08:00:063
3025719994846,2cyclictest3229735-21kworker/u8:2+flush-179:011:10:172
3025719994844,3cyclictest3103583-21kworker/u8:5+flush-179:009:30:182
3025719994844,3cyclictest2988461-21kworker/u8:0+events_unbound07:20:142
3025719994834,13cyclictest3297007-21kworker/u8:3+flush-179:011:30:222
3025719994833,13cyclictest3067901-21kworker/u8:3+flush-179:007:58:052
3025718994842,4cyclictest247560-21ThreadPoolForeg09:30:291
3025713994844,3cyclictest3103583-21kworker/u8:5+flush-179:008:32:100
3025720994745,2cyclictest2896793-21kworker/u8:2+flush-179:007:40:273
3025720994744,2cyclictest3213047-21kworker/u8:1+flush-179:010:10:113
3025720994743,3cyclictest3202180-21kworker/u8:0+flush-179:010:15:283
3025719994744,2cyclictest3222658-21kworker/u8:4+flush-179:010:25:072
3025719994744,2cyclictest3052296-21kworker/u8:4+events_unbound08:05:302
3025713994744,3cyclictest3340975-21kworker/u8:2+flush-179:012:20:300
3025713994744,2cyclictest3047089-21kworker/u8:3+flush-179:007:26:220
3025720994643,2cyclictest3103583-21kworker/u8:5+flush-179:009:15:063
3025720994643,2cyclictest3052296-21kworker/u8:4+flush-179:007:45:153
3025720994642,3cyclictest3229735-21kworker/u8:2+flush-179:010:50:283
3025720994639,5cyclictest76405-21systemd-journal12:40:003
3025719994644,2cyclictest2896793-21kworker/u8:2+flush-179:007:40:252
3025719994643,2cyclictest3057405-21kworker/u8:1+flush-179:008:25:012
3025719994642,3cyclictest3297007-21kworker/u8:3+flush-179:011:40:072
3025719994642,3cyclictest3103583-21kworker/u8:5+flush-179:009:55:262
3025719994642,3cyclictest3057405-21kworker/u8:1+events_unbound08:00:302
3025718994642,3cyclictest3103583-21kworker/u8:5+flush-179:010:00:311
3025718994642,3cyclictest3103583-21kworker/u8:5+flush-179:010:00:311
3025718994642,3cyclictest2896793-21kworker/u8:2+flush-179:007:10:191
3025713994643,2cyclictest3222658-21kworker/u8:4+flush-179:010:25:010
3025713994643,2cyclictest3222658-21kworker/u8:4+flush-179:010:25:010
3025713994642,3cyclictest3294805-21kworker/u8:0+events_unbound11:35:360
3025713994641,4cyclictest3229735-21kworker/u8:2+flush-179:010:40:400
3025713994641,4cyclictest3140702-21/usr/share/muni09:00:020
3025713994633,12cyclictest2989125-1kworker/0:2H+kblockd08:36:180
3025720994540,3cyclictest3361041-21kworker/u8:0+events_unbound12:33:513
3025720994539,2cyclictest3315484-21kworker/u8:1+flush-179:011:50:113
3025720994538,5cyclictest3125724-21ThreadPoolForeg09:50:273
3025719994542,2cyclictest3315484-21kworker/u8:1+flush-179:012:00:592
3025719994541,3cyclictest3103583-21kworker/u8:5+events_unbound11:00:282
3025719994540,2cyclictest3171256-21kworker/u8:2+events_unbound09:48:332
3025713994541,3cyclictest3103580-21kworker/u8:0+events_unbound08:40:150
3025713994541,3cyclictest3103580-21kworker/u8:0+events_unbound08:27:220
3025713994540,4cyclictest3083737-21/usr/share/muni08:05:100
3025713994540,3cyclictest3294805-21kworker/u8:0+events_unbound11:59:300
3025720994441,2cyclictest3103580-21kworker/u8:0+flush-179:008:25:053
3025719994442,2cyclictest3103583-21kworker/u8:5+flush-179:010:20:152
3025719994442,2cyclictest3103583-21kworker/u8:5+flush-179:010:20:152
3025719994441,2cyclictest3284077-21kworker/u8:2+events_unbound11:17:012
3025719994441,2cyclictest3103580-21kworker/u8:0+flush-179:009:25:242
3025719994440,3cyclictest3057405-21kworker/u8:1+events_unbound08:15:382
3025719994431,12cyclictest3305118-21kworker/2:0+pm12:07:512
3025713994442,2cyclictest3176539-21kworker/u8:3+flush-179:009:35:050
3025713994440,3cyclictest3273967-21kworker/u8:1+events_unbound11:30:160
3025713994440,3cyclictest3067901-21kworker/u8:3+flush-179:008:00:330
3025713994440,3cyclictest3067901-21kworker/u8:3+flush-179:007:55:260
302571399440,43cyclictest3125630-13chrome09:25:500
3025720994340,2cyclictest3268839-21kworker/u8:0+flush-179:011:05:233
3025720994339,3cyclictest3284078-21kworker/u8:4+flush-179:011:30:103
3025720994339,3cyclictest3176539-21kworker/u8:3+flush-179:009:45:263
3025720994339,3cyclictest3103583-21kworker/u8:5+events_unbound10:25:193
3025720994339,3cyclictest3047089-21kworker/u8:3+flush-179:007:25:573
3025720994339,3cyclictest2896793-21kworker/u8:2+flush-179:007:35:143
3025720994338,3cyclictest3268839-21kworker/u8:0+events_unbound11:10:013
3025719994339,3cyclictest3315484-21kworker/u8:1+flush-179:012:25:232
3025719994339,3cyclictest3229735-21kworker/u8:2+events_unbound11:08:422
3025719994339,3cyclictest2988461-21kworker/u8:0+flush-179:007:37:302
3025718994337,4cyclictest3264040-21latency_hist11:00:011
3025713994340,2cyclictest3284077-21kworker/u8:2+events_unbound11:16:250
3025713994340,2cyclictest3176539-21kworker/u8:3+events_unbound09:42:320
3025713994339,3cyclictest3171256-21kworker/u8:2+flush-179:009:34:240
3025713994339,3cyclictest2896793-21kworker/u8:2+events_unbound07:14:540
3025719994239,2cyclictest3222658-21kworker/u8:4+flush-179:010:50:172
3025719994239,2cyclictest3032190-21kworker/u8:4+events_unbound07:16:312
3025719994238,3cyclictest3315484-21kworker/u8:1+flush-179:011:50:162
3025719994238,3cyclictest3229735-21kworker/u8:2+flush-179:010:30:152
3025719994238,3cyclictest3213047-21kworker/u8:1+flush-179:010:10:122
3025719994238,3cyclictest2988461-21kworker/u8:0+events_unbound07:30:172
3025718994237,3cyclictest3047089-21kworker/u8:3+flush-179:007:35:301
3025718994227,3cyclictest3255388-21apt-get10:50:141
3025718994226,15cyclictest1885829-1kworker/1:1H+kblockd11:04:141
3025713994240,2cyclictest3171256-21kworker/u8:2+events_unbound09:45:350
3025713994239,2cyclictest3222658-21kworker/u8:4+flush-179:010:26:490
3025713994239,2cyclictest3103583-21kworker/u8:5+flush-179:010:50:070
3025713994239,2cyclictest3103583-21kworker/u8:5+flush-179:008:50:370
3025713994238,3cyclictest3103583-21kworker/u8:5+events_unbound09:13:480
3025713994238,3cyclictest3057330-31munin-graph07:36:160
3025720994138,2cyclictest3229735-21kworker/u8:2+flush-179:010:30:203
3025720994137,3cyclictest3052296-21kworker/u8:4+flush-179:008:10:093
3025720994137,3cyclictest3052296-21kworker/u8:4+flush-179:008:10:093
3025720994136,4cyclictest3183266-21apt-get09:40:143
3025720994134,3cyclictest3268839-21kworker/u8:0+flush-179:011:15:233
3025719994138,2cyclictest3134932-21kworker/u8:1+events_unbound09:10:172
3025719994137,3cyclictest3134932-21kworker/u8:1+flush-179:009:15:402
3025719994120,20cyclictest3057405-21kworker/u8:1+flush-179:008:30:352
3025718994135,4cyclictest247560-21ThreadPoolForeg07:15:191
3025713994138,2cyclictest3067901-21kworker/u8:3+events_unbound08:15:180
3025713994137,3cyclictest3103583-21kworker/u8:5+events_unbound09:50:290
3025713994136,4cyclictest3315484-21kworker/u8:1+events_unbound11:48:020
302571399410,2cyclictest171rcu_preempt11:40:250
3025720994037,3cyclictest3229735-21kworker/u8:2+flush-179:010:35:163
3025720994037,2cyclictest3297007-21kworker/u8:3+events_unbound11:43:143
3025720994036,3cyclictest3229735-21kworker/u8:2+flush-179:010:40:143
3025720994036,3cyclictest3103583-21kworker/u8:5+flush-179:010:00:193
3025720994036,3cyclictest3103583-21kworker/u8:5+flush-179:010:00:193
3025720994036,3cyclictest3057405-21kworker/u8:1+flush-179:008:15:213
3025720994036,3cyclictest3052296-21kworker/u8:4+flush-179:007:50:023
3025720994036,3cyclictest3032190-21kworker/u8:4+flush-179:007:22:353
3025720994035,4cyclictest3052296-21kworker/u8:4+flush-179:008:53:463
3025720994034,4cyclictest3227369-21munin-limits10:20:363
3025720994034,4cyclictest3227369-21munin-limits10:20:353
3025719994037,2cyclictest3340975-21kworker/u8:2+flush-179:012:15:352
3025719994037,2cyclictest3103583-21kworker/u8:5+flush-179:008:35:202
3025719994036,3cyclictest3171256-21kworker/u8:2+events_unbound09:43:322
3025718994035,4cyclictest3309688-31munin-html11:40:341
3025718994034,4cyclictest3103583-21kworker/u8:5+flush-179:010:25:291
3025713994037,2cyclictest3134932-21kworker/u8:1+flush-179:009:05:310
3025720993935,3cyclictest3229735-21kworker/u8:2+events_unbound11:00:073
3025720993934,4cyclictest3335256-21ntpq12:05:333
3025719993936,2cyclictest3284077-21kworker/u8:2+flush-179:011:45:152
3025719993935,3cyclictest3222658-21kworker/u8:4+events_unbound10:41:552
3025718993934,4cyclictest3103583-21kworker/u8:5+flush-179:008:32:081
3025718993934,4cyclictest3041986-21munin-update07:25:351
3025713993936,2cyclictest3103583-21kworker/u8:5+events_unbound11:05:310
3025713993935,3cyclictest3284078-21kworker/u8:4+events_unbound11:25:320
3025713993934,4cyclictest3243041-21kworker/u8:0+events_unbound10:48:010
3025720993835,2cyclictest3330334-21kworker/u8:5+flush-179:012:10:093
3025720993834,3cyclictest3315484-21kworker/u8:1+flush-179:012:25:273
3025720993834,3cyclictest3297007-21kworker/u8:3+flush-179:011:45:263
3025720993834,3cyclictest3103583-21kworker/u8:5+events_unbound10:05:353
3025720993834,3cyclictest3103580-21kworker/u8:0+flush-179:009:30:303
3025720993834,3cyclictest3067901-21kworker/u8:3+flush-179:008:10:013
3025720993833,3cyclictest3103583-21kworker/u8:5+flush-179:008:45:173
3025719993836,1cyclictest3150313-21kworker/2:0+pm09:22:062
3025719993835,2cyclictest3230033-21kworker/2:1+pm11:25:212
3025719993835,2cyclictest3166481-21kworker/2:3+pm10:05:252
3025719993834,3cyclictest3052296-21kworker/u8:4+flush-179:008:55:282
3025718993837,1cyclictest1260-21snmpd11:35:311
3025718993835,2cyclictest3057405-21kworker/u8:1+flush-179:007:58:561
3025718993834,3cyclictest3222658-21kworker/u8:4+flush-179:010:40:191
3025718993832,5cyclictest3125724-21ThreadPoolForeg08:17:011
3025718993831,6cyclictest247560-21ThreadPoolForeg08:58:281
3025718993830,7cyclictest3052296-21kworker/u8:4+flush-179:008:10:061
3025718993830,7cyclictest3052296-21kworker/u8:4+flush-179:008:10:061
3025720993734,2cyclictest3057044-1kworker/3:0H+kblockd08:35:363
3025720993734,2cyclictest3057044-1kworker/3:0H+kblockd08:24:583
3025720993732,3cyclictest3052296-21kworker/u8:4+flush-179:008:56:063
3025719993734,2cyclictest3305118-21kworker/2:0+pm12:31:122
3025718993734,2cyclictest3103583-21kworker/u8:5+flush-179:008:42:291
3025718993734,2cyclictest1885829-1kworker/1:1H+kblockd09:50:311
3025718993734,2cyclictest1885829-1kworker/1:1H+kblockd09:15:101
3025718993734,2cyclictest1885829-1kworker/1:1H+kblockd09:10:041
3025718993734,2cyclictest1885829-1kworker/1:1H+kblockd08:46:021
3025718993733,3cyclictest3103580-21kworker/u8:0+flush-179:009:05:171
3025718993733,3cyclictest1885829-1kworker/1:1H+kblockd07:54:591
3025713993734,3cyclictest3340975-21kworker/u8:2+flush-179:012:12:030
3025713993734,2cyclictest3315484-21kworker/u8:1+flush-179:012:25:190
3025713993732,4cyclictest247560-21ThreadPoolForeg11:51:310
32852602360,2sleep13285251-21snmp_areswitch.11:20:041
3025720993633,2cyclictest3057044-1kworker/3:0H+kblockd10:49:063
3025720993633,2cyclictest2825848-1kworker/3:2H+kblockd07:13:433
3025720993632,3cyclictest3134932-21kworker/u8:1+flush-179:009:35:313
3025720993632,3cyclictest3103583-21kworker/u8:5+flush-179:009:05:093
3025720993632,3cyclictest2825848-1kworker/3:2H+kblockd07:15:063
3025720993631,4cyclictest3222658-21kworker/u8:4+events_unbound10:59:163
3025720993631,4cyclictest3141883-21apt-get09:00:133
3025718993634,1cyclictest3030776-21kworker/1:3+pm08:03:101
3025718993634,1cyclictest1885829-1kworker/1:1H+kblockd09:46:481
3025718993633,2cyclictest1885829-1kworker/1:1H+kblockd10:45:051
3025718993632,3cyclictest3103583-21kworker/u8:5+flush-179:008:35:171
3025718993630,4cyclictest3321135-21/usr/share/muni11:55:081
3025718993629,5cyclictest3269392-21/usr/share/muni11:05:011
3025718993629,5cyclictest3125687-21ThreadPoolForeg07:43:501
3025720993533,1cyclictest3057044-1kworker/3:0H+kblockd11:25:533
3025720993533,1cyclictest3057044-1kworker/3:0H+kblockd07:57:113
302571899356,28cyclictest247557-21chrome10:35:251
3025718993533,1cyclictest1885829-1kworker/1:1H+kblockd12:39:281
3025718993532,2cyclictest247562-13Chrome_ChildIOT10:08:521
3025718993532,2cyclictest1885829-1kworker/1:1H+kblockd12:16:121
3025718993532,2cyclictest1885829-1kworker/1:1H+kblockd12:05:231
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3025718993532,1cyclictest1885829-1kworker/1:1H+kblockd12:25:591
3025718993531,3cyclictest1885829-1kworker/1:1H+kblockd08:28:281
3025718993530,4cyclictest2896793-21kworker/u8:2+flush-179:007:45:361
3025718993520,14cyclictest3125708-13Chrome_ChildIOT08:06:451
3025713993532,2cyclictest3268839-21kworker/u8:0+events_unbound11:13:130
3025713993532,2cyclictest3052296-21kworker/u8:4+events_unbound07:51:120
3025720993431,2cyclictest3057044-1kworker/3:0H+kblockd08:33:283
3025720993430,3cyclictest3052296-21kworker/u8:4+flush-179:008:40:303
3025720993428,5cyclictest3047740-21/usr/share/muni07:30:073
3025720993427,3cyclictest3294805-21kworker/u8:0+flush-179:012:20:073
3025720993417,16cyclictest3125688-21Chrome_ChildIOT12:16:563
3025718993432,1cyclictest1885829-1kworker/1:1H+kblockd09:39:261
3025718993432,1cyclictest1885829-1kworker/1:1H+kblockd09:20:191
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3025718993431,2cyclictest1885829-1kworker/1:1H+kblockd12:10:341
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3025713993431,2cyclictest3103583-21kworker/u8:5+flush-179:010:12:220
3025720993330,2cyclictest3057044-1kworker/3:0H+kblockd11:21:483
3025718993331,1cyclictest1885829-1kworker/1:1H+kblockd08:22:491
3025718993330,2cyclictest3125627-21ChromeDriver00:55:191
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3025718993329,3cyclictest3297007-21kworker/u8:3+flush-179:011:30:261
3025718993329,3cyclictest3134932-21kworker/u8:1+flush-179:009:40:161
3025718993229,2cyclictest1885829-1kworker/1:1H+kblockd11:15:061
3025718993229,2cyclictest1885829-1kworker/1:1H+kblockd10:11:201
3025718993229,2cyclictest1260-21snmpd11:13:311
3025718993212,19cyclictest0-21swapper/109:25:361
3025718993128,2cyclictest3052296-21kworker/u8:4+flush-179:008:50:411
3025718993128,2cyclictest3030776-21kworker/1:3+pm07:34:581
3025718993117,4cyclictest3346748-21/usr/share/muni12:20:011
3025718993025,4cyclictest3310471-21agora-tariff2.s11:45:211
3025718992928,0cyclictest105470-21isc-net-000010:22:121
3025718992928,0cyclictest105470-21isc-net-000010:22:111
3025718992926,3cyclictest3330334-21kworker/u8:5+flush-179:012:02:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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