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2025-12-30 - 23:41
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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 792 highest latencies:
System rackbslot1.osadl.org (updated Tue Dec 30, 2025 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26500532195171,14sleep30-21swapper/307:09:213
26499632188152,26sleep00-21swapper/007:08:140
26500102184161,13sleep20-21swapper/207:08:522
26500512183159,14sleep10-21swapper/107:09:191
2650323991009,16cyclictest2873673-21ChromeDriver00:55:190
2650328999285,6cyclictest2780332-21munin-limits09:10:351
2650328999285,6cyclictest2780332-21munin-limits09:10:351
265032899874,80cyclictest2873916-21BatteryStatusNo10:45:031
265032899739,63cyclictest2945271-21kworker/u8:1+efi_rts_wq12:14:581
2650323997064,4cyclictest2987263-21/usr/share/muni12:35:120
2650328996554,9cyclictest2842204-21kworker/u8:2+flush-179:010:25:291
2650330996458,5cyclictest2966211-21cp12:15:002
2650323996460,3cyclictest2965688-21kworker/u8:3+flush-179:012:30:120
2650323996157,3cyclictest2649777-21kworker/u8:4+flush-179:007:15:000
2650323996155,5cyclictest2775920-21latency_hist09:10:010
2650333996056,3cyclictest2671664-21kworker/u8:1+flush-179:007:40:303
2650328996049,10cyclictest2814151-21kworker/u8:1+flush-179:010:15:261
265032399583,54cyclictest2945271-21kworker/u8:1+efi_rts_wq12:15:010
2650323995742,14cyclictest2791670-21kworker/u8:2+events_unbound09:25:230
2650330995649,6cyclictest2751381-21Chrome_ChildIOT08:45:142
2650328995652,3cyclictest2772598-21kworker/u8:5+flush-179:009:15:151
2650333995547,6cyclictest2944924-31munin-html11:50:363
2650328995449,4cyclictest2899054-21kworker/u8:0+flush-179:011:15:291
2650323995350,2cyclictest2644634-21kworker/u8:0+events_unbound07:50:300
2650323995349,3cyclictest2909465-21kworker/u8:2+flush-179:012:01:260
2650323995349,3cyclictest2847505-21kworker/u8:3+events_unbound10:51:430
2650323995349,3cyclictest2733658-21kworker/u8:1+events_unbound09:30:150
2650323995349,3cyclictest2673608-21kworker/u8:5+events_unbound07:30:160
2650323995349,2cyclictest2713243-21kworker/u8:4+events_unbound08:25:350
2650323995347,5cyclictest247560-21ThreadPoolForeg07:45:000
2650323995248,3cyclictest2733658-21kworker/u8:1+flush-179:008:45:370
2650323995245,5cyclictest2894579-21/usr/share/muni11:05:130
2650328995147,3cyclictest2644634-21kworker/u8:0+flush-179:007:40:001
2650328995146,4cyclictest2707684-21kworker/u8:0+flush-179:008:20:151
2650328995145,4cyclictest2791670-21kworker/u8:2+flush-179:009:25:361
2650328995047,2cyclictest2965149-21kworker/u8:2+flush-179:012:35:161
2650323995045,4cyclictest2965688-21kworker/u8:3+events_unbound12:21:180
2650323994946,2cyclictest2707685-21kworker/u8:2+flush-179:008:55:140
2650330994845,2cyclictest2899054-21kworker/u8:0+flush-179:012:25:002
2650330994845,2cyclictest2692414-21kworker/2:0+pm08:24:202
2650330994842,4cyclictest2854657-21ntpq10:25:182
2650328994845,2cyclictest2888877-21kworker/u8:4+flush-179:011:05:151
2650328994844,3cyclictest2909465-21kworker/u8:2+flush-179:011:20:301
2650328994843,4cyclictest2957402-21apt-get12:05:161
2650328994843,4cyclictest2847505-21kworker/u8:3+flush-179:010:20:101
2650328994842,4cyclictest2965149-21kworker/u8:2+events_unbound12:29:191
2650328994842,4cyclictest2965149-21kworker/u8:2+events_unbound12:29:181
2650328994837,10cyclictest2644634-21kworker/u8:0+flush-179:007:46:251
2650328994831,15cyclictest2888877-21kworker/u8:4+flush-179:011:31:301
2650323994845,2cyclictest2929808-21kworker/u8:5+flush-179:011:39:590
2650323994843,4cyclictest2929808-21kworker/u8:5+flush-179:012:15:170
2650323994843,4cyclictest2738840-21kworker/u8:0+flush-179:008:40:320
2650333994742,4cyclictest2644634-21kworker/u8:0+flush-179:007:15:563
2650333994731,4cyclictest2888877-21kworker/u8:4+flush-179:011:25:363
2650333994711,35cyclictest247563-13Compositor08:42:213
2650330994732,14cyclictest2847505-21kworker/u8:3+flush-179:010:30:542
2650328994744,2cyclictest2707685-21kworker/u8:2+flush-179:008:25:281
2650328994743,3cyclictest2814151-21kworker/u8:1+events_unbound09:50:311
2650328994742,4cyclictest2745177-21/usr/share/muni08:40:071
2650328994741,5cyclictest2827518-21/usr/share/muni10:00:031
2650328994732,3cyclictest2772598-21kworker/u8:5+events_unbound09:21:151
2650328994732,13cyclictest2945271-21kworker/u8:1+flush-179:012:04:351
2650323994743,3cyclictest2847505-21kworker/u8:3+events_unbound10:25:340
2650323994743,3cyclictest2780372-21kworker/u8:0+flush-179:009:20:210
2650323994743,3cyclictest2671664-21kworker/u8:1+events_unbound07:50:000
2650333994643,2cyclictest2888877-21kworker/u8:4+flush-179:011:01:533
2650330994622,22cyclictest0-21swapper/212:15:182
2650328994642,3cyclictest2867769-21kworker/u8:1+events_unbound10:55:321
2650328994642,3cyclictest2733658-21kworker/u8:1+flush-179:008:48:201
2650323994644,2cyclictest2801258-21kworker/u8:3+flush-179:009:40:320
2650323994643,3cyclictest2733658-21kworker/u8:1+flush-179:009:17:000
2650323994643,2cyclictest2899054-21kworker/u8:0+flush-179:011:30:120
2650323994643,2cyclictest2842204-21kworker/u8:2+flush-179:010:12:540
2650323994642,3cyclictest2814151-21kworker/u8:1+events_unbound10:05:340
2650323994642,3cyclictest2707685-21kworker/u8:2+flush-179:008:35:160
2650323994641,3cyclictest2658067-21kworker/u8:3+events_unbound07:35:230
2650333994539,5cyclictest2677388-21/usr/share/muni07:35:033
2650330994540,4cyclictest2916229-21apt-get11:25:132
2650330994539,5cyclictest2920165-21/usr/share/muni11:30:042
2650330994524,20cyclictest2644634-21kworker/u8:0+flush-179:007:54:342
2650330994521,23cyclictest247560-21ThreadPoolForeg07:35:172
2650328994542,2cyclictest2888877-21kworker/u8:4+flush-179:011:35:291
2650328994541,3cyclictest2814151-21kworker/u8:1+flush-179:010:05:371
2650328994540,4cyclictest2899054-21kworker/u8:0+flush-179:011:25:281
2650328994540,4cyclictest2814151-21kworker/u8:1+flush-179:009:45:361
2650328994540,4cyclictest2644634-21kworker/u8:0+flush-179:007:40:061
2650323994542,2cyclictest2909465-21kworker/u8:2+events_unbound11:51:210
2650323994541,3cyclictest2888877-21kworker/u8:4+events_unbound11:00:150
2650323994541,3cyclictest2842204-21kworker/u8:2+flush-179:010:20:230
2650323994539,5cyclictest2667073-21/usr/share/muni07:25:230
2650333994438,5cyclictest2885030-21ntpq10:55:113
2650330994442,1cyclictest1887563-1kworker/2:1H+kblockd09:58:592
2650330994432,11cyclictest2633407-21kworker/2:1+pm07:18:552
2650328994439,3cyclictest2760435-21kworker/u8:0+flush-179:008:55:101
2650328994429,14cyclictest2847505-21kworker/u8:3+flush-179:010:42:341
2650323994441,3cyclictest2772598-21kworker/u8:5+flush-179:009:35:310
2650323994440,3cyclictest2888877-21kworker/u8:4+events_unbound10:58:320
2650323994438,4cyclictest2718891-21/usr/share/muni08:15:080
2650323994426,17cyclictest1260-21snmpd09:56:230
2650330994339,3cyclictest2890704-21apt-get11:00:132
2650328994339,3cyclictest2733658-21kworker/u8:1+flush-179:008:50:281
2650328994338,4cyclictest2822402-21/usr/share/muni09:55:051
265032899432,40cyclictest3125684-21Chrome_DevTools11:53:061
2650323994340,2cyclictest2671664-21kworker/u8:1+flush-179:008:05:150
2650323994340,2cyclictest2644634-21kworker/u8:0+flush-179:007:18:160
2650323994339,3cyclictest2857051-21kworker/u8:0+flush-179:010:32:450
2650323994339,3cyclictest2780372-21kworker/u8:0+flush-179:009:53:470
2650333994238,3cyclictest2644634-21kworker/u8:0+flush-179:007:45:293
2650333994237,4cyclictest2977062-21/usr/share/muni12:25:133
2650333994237,4cyclictest2977062-21/usr/share/muni12:25:123
2650328994239,2cyclictest2493733-1kworker/1:0H+kblockd08:11:151
2650328994238,3cyclictest2733663-21kworker/u8:3+flush-179:008:35:311
2650328994238,3cyclictest2733658-21kworker/u8:1+flush-179:009:05:331
2650328994237,4cyclictest76405-21systemd-journal09:45:001
2650328994237,4cyclictest2945903-21/usr/share/muni11:55:041
2650328994237,4cyclictest2713243-21kworker/u8:4+flush-179:008:30:311
2650328994237,3cyclictest2899054-21kworker/u8:0+events_unbound12:20:001
2650328994237,3cyclictest2801258-21kworker/u8:3+flush-179:009:35:371
2650328994237,3cyclictest2644634-21kworker/u8:0+flush-179:007:15:311
2650323994240,2cyclictest2707685-21kworker/u8:2+flush-179:008:50:330
2650323994239,3cyclictest2899054-21kworker/u8:0+flush-179:011:55:330
2650323994239,2cyclictest2899054-21kworker/u8:0+flush-179:012:25:230
2650323994239,2cyclictest2899054-21kworker/u8:0+flush-179:012:25:230
2650323994239,2cyclictest2857051-21kworker/u8:0+flush-179:010:35:310
2650323994239,2cyclictest2842204-21kworker/u8:2+events_unbound10:43:100
2650323994238,3cyclictest2945271-21kworker/u8:1+flush-179:012:06:200
2650323994238,3cyclictest2707684-21kworker/u8:0+flush-179:008:20:160
2650333994137,3cyclictest2644634-21kworker/u8:0+flush-179:007:20:333
2650333994136,4cyclictest2812013-21CacheThread_Blo09:45:023
2650333994136,4cyclictest2715017-21apt-get08:10:133
2650333994136,4cyclictest247560-21ThreadPoolForeg09:02:493
2650330994137,3cyclictest2909465-21kworker/u8:2+flush-179:011:46:242
2650330994137,3cyclictest2692414-21kworker/2:0+pm09:02:142
2650330994136,4cyclictest2801758-21/usr/share/muni09:35:172
2650330994128,12cyclictest1260-21snmpd12:07:122
2650330994120,20cyclictest3125627-21ChromeDriver00:55:192
2650328994138,2cyclictest2842204-21kworker/u8:2+flush-179:010:30:151
2650328994137,3cyclictest2888877-21kworker/u8:4+events_unbound11:00:181
2650328994137,3cyclictest2644634-21kworker/u8:0+flush-179:007:21:461
2650328994134,2cyclictest2780372-21kworker/u8:0+flush-179:010:10:301
2650323994138,3cyclictest2888877-21kworker/u8:4+flush-179:011:16:510
2650323994138,2cyclictest191rcuc/008:10:400
2650323994137,3cyclictest2909465-21kworker/u8:2+flush-179:011:45:410
2650323994137,3cyclictest2772598-21kworker/u8:5+events_unbound09:11:040
2650323994137,3cyclictest2772598-21kworker/u8:5+events_unbound09:11:040
2650323994137,3cyclictest2713243-21kworker/u8:4+events_unbound08:31:170
2650323994137,3cyclictest2644634-21kworker/u8:0+flush-179:007:21:520
2650333994037,2cyclictest2772598-21kworker/u8:5+events_unbound09:15:183
2650333994034,5cyclictest2982141-21/usr/share/muni12:30:043
265033099408,13cyclictest3125709-13VizCompositorTh08:50:122
265033099404,17cyclictest3125630-13chrome08:35:392
2650330994038,1cyclictest2884157-21kworker/2:0+pm11:35:062
2650330994038,1cyclictest2794884-21kworker/2:1+pm09:40:202
2650330994038,1cyclictest2633407-21kworker/2:1+pm07:11:322
2650330994037,2cyclictest2884157-21kworker/2:0+pm12:04:062
2650330994037,2cyclictest2692414-21kworker/2:0+pm09:11:292
2650330994037,2cyclictest2692414-21kworker/2:0+pm09:11:282
2650330994037,2cyclictest2692414-21kworker/2:0+pm07:48:102
2650330994037,2cyclictest2666898-21kworker/2:2+pm07:30:352
2650330994037,2cyclictest1887563-1kworker/2:1H+kblockd11:08:422
2650330994036,2cyclictest2884157-21kworker/2:0+pm11:10:032
2650330994036,2cyclictest2692414-21kworker/2:0+pm07:57:392
2650330994028,1cyclictest1260-21snmpd07:44:162
2650330994019,21cyclictest2644634-21kworker/u8:0+flush-179:007:20:192
265033099401,38cyclictest2733360-31munin-html08:25:512
2650328994035,3cyclictest2671664-21kworker/u8:1+flush-179:008:04:021
2650323994037,2cyclictest2671664-21kworker/u8:1+events_unbound08:00:290
2650323994036,2cyclictest2811928-13chrome09:45:020
2650323994034,5cyclictest3125725-21ThreadPoolForeg07:55:150
2650333993936,2cyclictest2796478-21kworker/3:1+pm11:09:183
2650333993935,3cyclictest2772598-21kworker/u8:5+flush-179:009:35:293
2650333993934,4cyclictest2692986-21/usr/share/muni07:50:033
2650333993931,7cyclictest2671642-1kworker/3:1H+kblockd09:05:323
2650330993937,1cyclictest2884157-21kworker/2:0+pm11:41:502
2650330993937,1cyclictest2884157-21kworker/2:0+pm11:15:272
2650330993937,1cyclictest2884157-21kworker/2:0+pm10:58:192
2650330993937,1cyclictest2794884-21kworker/2:1+pm10:23:332
2650330993937,1cyclictest2692414-21kworker/2:0+pm09:20:332
2650330993937,1cyclictest2692414-21kworker/2:0+pm08:43:052
2650330993937,1cyclictest2692414-21kworker/2:0+pm08:12:442
2650330993936,2cyclictest2884157-21kworker/2:0+pm11:50:042
2650330993936,2cyclictest2794884-21kworker/2:1+pm10:51:422
2650330993936,2cyclictest2794884-21kworker/2:1+pm10:00:112
2650330993936,2cyclictest2692414-21kworker/2:0+pm09:26:042
2650330993936,2cyclictest2692414-21kworker/2:0+pm09:15:102
2650330993936,2cyclictest2692414-21kworker/2:0+pm08:18:112
2650330993936,2cyclictest2692414-21kworker/2:0+pm08:04:442
2650330993935,3cyclictest2909465-21kworker/u8:2+flush-179:011:25:002
2650328993936,2cyclictest2733658-21kworker/u8:1+flush-179:009:00:261
2650328993935,3cyclictest2649777-21kworker/u8:4+flush-179:007:10:261
2650328993933,5cyclictest2733658-21kworker/u8:1+flush-179:009:30:201
2650328993932,5cyclictest2986279-31munin-html12:30:371
2650323993936,2cyclictest2888877-21kworker/u8:4+events_unbound11:20:200
2650323993935,3cyclictest2765958-21/usr/share/muni09:00:020
2650333993835,2cyclictest2671642-1kworker/3:1H+kblockd11:45:243
2650333993834,3cyclictest2671642-1kworker/3:1H+kblockd08:29:163
2650333993834,2cyclictest2671642-1kworker/3:1H+kblockd11:18:053
2650333993834,2cyclictest2671642-1kworker/3:1H+kblockd08:03:263
2650333993832,4cyclictest2857587-31munin-graph10:25:583
2650333993832,4cyclictest2658067-21kworker/u8:3+flush-179:007:55:263
2650333993831,5cyclictest3125724-21ThreadPoolForeg08:35:153
2650333993829,8cyclictest2671642-1kworker/3:1H+kblockd09:21:443
2650333993819,17cyclictest247560-21ThreadPoolForeg08:54:253
2650330993837,1cyclictest2884157-21kworker/2:0+pm11:56:202
2650330993836,1cyclictest2794884-21kworker/2:1+pm10:40:282
2650330993836,1cyclictest2794884-21kworker/2:1+pm10:06:192
2650330993836,1cyclictest2692414-21kworker/2:0+pm09:05:372
2650330993835,2cyclictest2794884-21kworker/2:1+pm10:35:132
2650330993835,2cyclictest2794884-21kworker/2:1+pm10:10:042
2650330993835,2cyclictest2794884-21kworker/2:1+pm09:45:132
2650330993835,2cyclictest2794884-21kworker/2:1+pm09:30:202
2650330993835,2cyclictest2692414-21kworker/2:0+pm08:57:162
2650330993835,2cyclictest2666898-21kworker/2:2+pm07:26:192
2650330993835,1cyclictest2692414-21kworker/2:0+pm08:30:552
2650330993810,27cyclictest3125721-21chrome09:51:142
2650328993836,2cyclictest2899054-21kworker/u8:0+flush-179:011:11:261
2650328993834,3cyclictest2863313-21/usr/share/muni10:35:021
2650328993833,4cyclictest2899054-21kworker/u8:0+flush-179:011:41:511
2650323993835,2cyclictest2899054-21kworker/u8:0+flush-179:011:25:160
2650333993734,2cyclictest2671642-1kworker/3:1H+kblockd12:36:013
2650333993734,2cyclictest2671642-1kworker/3:1H+kblockd12:24:453
2650333993734,2cyclictest2671642-1kworker/3:1H+kblockd11:36:503
2650333993734,2cyclictest2671642-1kworker/3:1H+kblockd11:14:023
2650333993734,2cyclictest2671642-1kworker/3:1H+kblockd10:49:383
2650333993734,2cyclictest2671642-1kworker/3:1H+kblockd10:19:333
2650333993734,2cyclictest2671642-1kworker/3:1H+kblockd10:11:453
2650333993734,2cyclictest2671642-1kworker/3:1H+kblockd10:02:113
2650333993734,2cyclictest2671642-1kworker/3:1H+kblockd09:32:343
2650333993734,2cyclictest2671642-1kworker/3:1H+kblockd08:33:353
2650333993733,2cyclictest2671642-1kworker/3:1H+kblockd11:34:443
2650333993730,5cyclictest2791540-21/usr/share/muni09:25:173
2650333993714,22cyclictest247563-13Compositor07:25:193
2650330993735,1cyclictest2976595-21kworker/2:1+pm12:25:182
2650330993735,1cyclictest2976595-21kworker/2:1+pm12:25:182
2650330993735,1cyclictest2794884-21kworker/2:1+pm10:45:012
2650330993734,2cyclictest2976595-21kworker/2:1+pm12:33:312
2650328993734,2cyclictest2867769-21kworker/u8:1+flush-179:010:50:381
2650328993734,2cyclictest2671664-21kworker/u8:1+flush-179:007:56:291
2650328993734,2cyclictest2493733-1kworker/1:0H+kblockd11:48:471
2650328993732,3cyclictest2965688-21kworker/u8:3+flush-179:012:21:521
2650328993731,4cyclictest2708562-21/usr/share/muni08:05:021
2650333993634,1cyclictest2671642-1kworker/3:1H+kblockd10:50:273
2650333993634,1cyclictest2671642-1kworker/3:1H+kblockd09:56:313
2650333993633,2cyclictest2671642-1kworker/3:1H+kblockd12:08:403
2650333993633,2cyclictest2671642-1kworker/3:1H+kblockd10:38:193
2650333993633,2cyclictest2671642-1kworker/3:1H+kblockd10:21:463
2650333993633,2cyclictest2671642-1kworker/3:1H+kblockd09:50:163
2650333993633,2cyclictest2671642-1kworker/3:1H+kblockd09:48:293
2650333993633,2cyclictest2671642-1kworker/3:1H+kblockd07:34:333
2650333993633,2cyclictest2619252-21kworker/3:0+pm08:19:183
2650333993633,2cyclictest247560-21ThreadPoolForeg11:55:283
2650333993632,3cyclictest2961291-21snmp_wanpowerct12:10:053
2650333993631,4cyclictest76405-21systemd-journal11:45:013
265033099362,33cyclictest247563-13Compositor12:36:292
2650323993632,3cyclictest2847301-31munin-graph10:16:150
2650333993533,1cyclictest2671642-1kworker/3:1H+kblockd12:03:253
2650333993533,1cyclictest2671642-1kworker/3:1H+kblockd08:20:313
2650333993533,1cyclictest2671642-1kworker/3:1H+kblockd08:05:293
2650333993532,2cyclictest2671642-1kworker/3:1H+kblockd11:20:023
2650333993532,2cyclictest1297500-1kworker/3:0H+kblockd07:12:113
2650333993531,3cyclictest2671642-1kworker/3:1H+kblockd10:41:413
2650333993530,3cyclictest2899054-21kworker/u8:0+flush-179:012:19:003
2650333993530,3cyclictest1260-21snmpd10:08:573
2650333993529,4cyclictest2750466-21CompositorTileW08:45:013
2650330993533,1cyclictest1887563-1kworker/2:1H+kblockd10:18:052
2650328993531,3cyclictest2644634-21kworker/u8:0+flush-179:007:50:231
2650323993533,1cyclictest2821980-1kworker/0:1H+kblockd11:41:230
2650333993431,2cyclictest3125724-21ThreadPoolForeg08:55:113
2650333993429,4cyclictest3125629-21e21169fc69a4c6710:32:393
2650328993432,1cyclictest2493733-1kworker/1:0H+kblockd07:26:181
2650328993428,2cyclictest2707684-21kworker/u8:0+events_unbound08:15:201
2650333993330,2cyclictest2671642-1kworker/3:1H+kblockd09:11:573
2650333993330,2cyclictest2671642-1kworker/3:1H+kblockd09:11:563
2650328993330,2cyclictest2493733-1kworker/1:0H+kblockd07:33:451
2650323993331,1cyclictest2821980-1kworker/0:1H+kblockd11:12:060
2650323993330,2cyclictest2821776-21kworker/u8:3+events_unbound10:01:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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