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2025-07-12 - 13:05
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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 rackbslot1.osadl.org (updated Fri Jul 11, 2025 12:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25738352229200,19sleep10-21swapper/107:08:101
25737962213185,18sleep00-21swapper/007:07:390
25738222205176,19sleep30-21swapper/307:07:583
25737562205182,13sleep20-21swapper/207:07:092
28490252640,1chrt2849020-21/usr/share/muni11:35:022
2574178996310,52cyclictest2683774-21kworker/u8:0+efi_rts_wq09:00:022
257417899620,2cyclictest2673975-21/usr/share/muni08:45:022
257417599624,57cyclictest2683774-21kworker/u8:0+efi_rts_wq09:00:030
2574178996138,2cyclictest2735886-21chrome09:45:022
2574176995956,2cyclictest2714091-21kworker/u8:2+events_unbound11:15:291
2574176995956,2cyclictest2674007-21snmp_ryswitch.c08:45:011
2574176995648,3cyclictest2836861-21kworker/u8:1+events_unbound11:30:301
2574175995249,3cyclictest2642400-21kworker/u8:1+flush-179:008:45:150
2574175995249,2cyclictest2683774-21kworker/u8:0+events_unbound08:55:090
2574175995249,2cyclictest2611572-21/usr/share/muni07:45:010
2574176995147,3cyclictest2836861-21kworker/u8:1+events_unbound11:55:001
257418199504,45cyclictest2683774-21kworker/u8:0+efi_rts_wq09:00:033
2574181994934,14cyclictest2859748-21awk11:45:013
2574176994943,4cyclictest2813148-21/usr/share/muni11:00:101
2574175994943,5cyclictest2756248-21latency_hist10:05:000
257417599481,45cyclictest40654-21chrome12:00:010
2574178994735,11cyclictest2553425-21kworker/2:1+pm07:54:122
2574175994743,3cyclictest2836861-21kworker/u8:1+flush-179:011:45:310
2574176994643,2cyclictest2657674-21kworker/u8:4+events_unbound10:45:201
26117572450,1sleep12611724-21snmp_wlanswitch07:45:041
2574175994541,3cyclictest2836861-21kworker/u8:1+flush-179:011:40:260
2574175994541,3cyclictest2636720-21kworker/u8:3+flush-179:008:15:150
2574175994540,4cyclictest2657674-21kworker/u8:4+flush-179:009:15:060
2574181994430,13cyclictest2558937-1kworker/3:1H+kblockd07:27:563
2574176994441,2cyclictest2714091-21kworker/u8:2+events_unbound11:00:011
2574175994441,2cyclictest2720398-21kworker/u8:1+flush-179:009:45:320
2574175994440,3cyclictest2714091-21kworker/u8:2+flush-179:010:20:290
2574178994341,1cyclictest1412658-1kworker/2:0H+kblockd11:07:522
2574178994341,1cyclictest1412658-1kworker/2:0H+kblockd10:21:342
2574178994340,2cyclictest1412658-1kworker/2:0H+kblockd11:21:252
2574176994340,2cyclictest2621738-21kworker/u8:2+events_unbound08:10:131
2574175994340,2cyclictest2797609-21chrome10:45:010
2574175994340,2cyclictest2584958-21kworker/u8:0+flush-179:007:30:100
2574175994339,3cyclictest2836862-21kworker/u8:3+events_unbound11:30:000
2574178994235,1cyclictest2553425-21kworker/2:1+pm08:18:422
2574178994233,8cyclictest2703864-21kworker/2:2+pm09:25:152
2574178994233,8cyclictest2703864-21kworker/2:2+pm09:25:152
2574176994240,2cyclictest2657674-21kworker/u8:4+events_unbound09:55:311
2574176994238,3cyclictest2874982-21kworker/u8:2+flush-179:012:00:081
2574176994238,3cyclictest2863997-21kworker/u8:3+events_unbound12:28:221
2574175994236,4cyclictest2616677-21/usr/share/muni07:50:100
2574181994134,4cyclictest2558937-1kworker/3:1H+kblockd11:15:323
2574178994139,1cyclictest2668217-21kworker/2:0+pm08:51:052
2574178994137,3cyclictest2843846-21/usr/share/muni11:30:162
257417899411,15cyclictest40654-21chrome09:50:552
2574176994139,1cyclictest2755955-1kworker/1:2H+kblockd11:11:111
2574176994138,2cyclictest2836862-21kworker/u8:3+events_unbound11:28:231
2574176994127,13cyclictest2657674-21kworker/u8:4+events_unbound10:24:581
2574175994139,2cyclictest2657674-21kworker/u8:4+events_unbound10:40:140
2574175994139,2cyclictest2657674-21kworker/u8:4+events_unbound10:40:140
2574175994138,2cyclictest2584958-21kworker/u8:0+events_unbound07:25:100
2574181994037,2cyclictest2802724-21kworker/3:1+pm10:54:553
2574181994037,2cyclictest2558937-1kworker/3:1H+kblockd07:47:513
2574178994036,2cyclictest2885247-21kworker/2:0+pm12:19:162
2574178994035,3cyclictest40654-21chrome11:01:222
2574176994037,2cyclictest2836862-21kworker/u8:3+events_unbound11:37:541
2574176994037,2cyclictest2568149-21kworker/u8:3+flush-179:007:20:011
2574176994032,2cyclictest2548618-1kworker/1:1H+kblockd09:46:331
2574175994036,3cyclictest2714091-21kworker/u8:2+flush-179:011:15:200
2574175994034,2cyclictest2827908-21kworker/u8:4+flush-179:011:20:080
2574181993934,3cyclictest2797606-21CacheThread_Blo10:45:013
2574181993934,3cyclictest2797606-21CacheThread_Blo10:45:013
2574178993937,1cyclictest2885247-21kworker/2:0+pm12:23:262
2574178993937,1cyclictest2755931-21kworker/2:1+pm10:56:312
2574178993937,1cyclictest2703864-21kworker/2:2+pm10:03:422
2574178993937,1cyclictest2668217-21kworker/2:0+pm09:05:592
2574178993937,1cyclictest2668217-21kworker/2:0+pm08:42:372
2574178993937,1cyclictest2668217-21kworker/2:0+pm08:42:372
2574178993936,2cyclictest2838307-21kworker/2:2+pm11:25:402
2574178993936,2cyclictest2755931-21kworker/2:1+pm10:51:102
2574178993936,2cyclictest2703864-21kworker/2:2+pm09:47:172
2574178993936,1cyclictest2755931-21kworker/2:1+pm10:19:122
2574178993935,3cyclictest2685561-21ntpq08:55:122
2574178993933,1cyclictest1412658-1kworker/2:0H+kblockd08:30:562
257417899391,12cyclictest351rcuc/209:16:062
2574176993937,2cyclictest2657674-21kworker/u8:4+events_unbound09:17:011
2574176993936,2cyclictest2657674-21kworker/u8:4+events_unbound09:42:181
2574176993935,3cyclictest2896020-21/usr/share/muni12:20:151
2574175993936,2cyclictest2714091-21kworker/u8:2+events_unbound10:35:280
2574175993935,2cyclictest105470-21isc-net-000008:30:550
2574175993934,3cyclictest2668270-21kworker/u8:2+events_unbound08:40:330
2574175993934,3cyclictest2668270-21kworker/u8:2+events_unbound08:40:330
257417599390,38cyclictest40654-21chrome08:25:080
2574181993836,1cyclictest2730167-21kworker/3:0+pm10:37:163
2574181993834,3cyclictest2558937-1kworker/3:1H+kblockd08:30:273
2574181993830,7cyclictest2558937-1kworker/3:1H+kblockd11:10:303
2574181993830,7cyclictest1260-21snmpd09:10:203
2574178993837,1cyclictest2755931-21kworker/2:1+pm10:36:182
2574178993837,1cyclictest2703864-21kworker/2:2+pm09:56:142
2574178993836,1cyclictest2838307-21kworker/2:2+pm12:09:492
2574178993836,1cyclictest2838307-21kworker/2:2+pm11:46:292
2574178993836,1cyclictest2827537-21kworker/2:0+pm11:17:142
2574178993836,1cyclictest2827537-21kworker/2:0+pm11:12:222
2574178993836,1cyclictest2755931-21kworker/2:1+pm10:45:322
2574178993836,1cyclictest2755931-21kworker/2:1+pm10:05:222
2574178993836,1cyclictest2703864-21kworker/2:2+pm09:36:552
2574178993836,1cyclictest2662493-21kworker/2:2+pm08:35:052
2574178993836,1cyclictest2553425-21kworker/2:1+pm07:55:052
2574178993836,1cyclictest2553425-21kworker/2:1+pm07:20:162
2574178993835,2cyclictest2553425-21kworker/2:1+pm07:35:022
2574178993835,2cyclictest2553425-21kworker/2:1+pm07:18:512
2574178993832,1cyclictest2553425-21kworker/2:1+pm08:28:222
2574176993836,1cyclictest2842944-1kworker/1:0H+kblockd11:43:201
2574176993835,2cyclictest2874738-21kworker/u8:0+events_unbound12:15:301
2574176993834,3cyclictest2755955-1kworker/1:2H+kblockd10:28:561
2574176993834,2cyclictest2548618-1kworker/1:1H+kblockd10:00:561
2574175993836,1cyclictest2688857-21kworker/0:0+pm09:14:100
2574175993834,3cyclictest2668270-21kworker/u8:2+events_unbound08:50:200
2574175993834,3cyclictest2621738-21kworker/u8:2+flush-179:008:10:260
2574175993833,4cyclictest2791861-21kworker/u8:1+events_unbound11:10:090
2574181993734,2cyclictest2558937-1kworker/3:1H+kblockd12:14:263
2574181993734,2cyclictest2558937-1kworker/3:1H+kblockd11:03:313
2574181993734,2cyclictest2558937-1kworker/3:1H+kblockd10:08:303
2574181993734,2cyclictest2558937-1kworker/3:1H+kblockd09:52:213
2574181993734,2cyclictest2558937-1kworker/3:1H+kblockd09:45:113
2574181993734,2cyclictest2558937-1kworker/3:1H+kblockd09:33:563
2574181993734,2cyclictest2558937-1kworker/3:1H+kblockd08:59:523
2574181993734,2cyclictest2558937-1kworker/3:1H+kblockd07:58:163
2574181993734,2cyclictest2558937-1kworker/3:1H+kblockd07:16:273
2574181993733,3cyclictest2558937-1kworker/3:1H+kblockd09:16:033
2574181993733,2cyclictest2558937-1kworker/3:1H+kblockd11:50:173
2574181993733,2cyclictest2558937-1kworker/3:1H+kblockd10:33:363
2574181993733,2cyclictest2558937-1kworker/3:1H+kblockd08:45:073
2574181993733,2cyclictest2558937-1kworker/3:1H+kblockd07:30:213
2574181993732,4cyclictest2558937-1kworker/3:1H+kblockd10:58:183
2574181993731,4cyclictest2590425-21latency_hist07:25:013
2574181993727,7cyclictest2632150-21/usr/share/muni08:05:163
2574181993727,1cyclictest1260-21snmpd11:34:413
2574181993726,9cyclictest40661-13Compositor11:20:453
2574181993721,7cyclictest40692-21ThreadPoolForeg12:04:493
2574178993735,1cyclictest2838307-21kworker/2:2+pm11:54:262
2574178993735,1cyclictest2838307-21kworker/2:2+pm11:43:322
2574178993735,1cyclictest2755931-21kworker/2:1+pm10:30:322
2574178993735,1cyclictest2755931-21kworker/2:1+pm10:14:422
2574178993735,1cyclictest2703864-21kworker/2:2+pm09:34:082
2574178993735,1cyclictest2553425-21kworker/2:1+pm08:21:502
2574178993735,1cyclictest2553425-21kworker/2:1+pm08:10:352
2574178993735,1cyclictest2553425-21kworker/2:1+pm07:30:042
2574178993735,1cyclictest2553425-21kworker/2:1+pm07:12:212
2574178993734,2cyclictest2703864-21kworker/2:2+pm09:23:542
2574178993724,12cyclictest2553425-21kworker/2:1+pm08:06:222
257417899371,3cyclictest2631543-31munin-graph08:00:592
257417899370,13cyclictest40658-21ThreadPoolForeg12:11:112
2574176993735,2cyclictest2657674-21kworker/u8:4+events_unbound10:05:211
2574176993734,2cyclictest2863997-21kworker/u8:3+events_unbound11:47:241
2574176993734,2cyclictest2842944-1kworker/1:0H+kblockd11:58:151
2574176993734,2cyclictest2714091-21kworker/u8:2+events_unbound09:52:571
2574176993734,2cyclictest2548618-1kworker/1:1H+kblockd07:56:201
2574176993728,9cyclictest2657674-21kworker/u8:4+events_unbound08:51:531
2574175993735,1cyclictest2688857-21kworker/0:0+pm09:42:350
2574175993735,1cyclictest2543236-21kworker/0:1+pm07:16:460
2574175993735,1cyclictest2291691-1kworker/0:2H+kblockd12:38:370
2574175993734,2cyclictest2688857-21kworker/0:0+pm09:22:070
2574175993734,2cyclictest2657674-21kworker/u8:4+flush-179:009:30:040
2574175993734,2cyclictest2291691-1kworker/0:2H+kblockd12:08:260
2574175993733,3cyclictest2720398-21kworker/u8:1+flush-179:009:35:110
2574175993731,4cyclictest40612-21ThreadPoolForeg12:10:060
2574175993729,6cyclictest40692-21ThreadPoolForeg10:26:120
2574181993634,1cyclictest2558937-1kworker/3:1H+kblockd07:39:473
2574181993633,2cyclictest2558937-1kworker/3:1H+kblockd12:17:543
2574181993633,2cyclictest2558937-1kworker/3:1H+kblockd10:20:283
2574181993633,2cyclictest2558937-1kworker/3:1H+kblockd10:15:163
2574181993633,2cyclictest2558937-1kworker/3:1H+kblockd10:10:033
2574181993633,2cyclictest2558937-1kworker/3:1H+kblockd08:35:193
2574181993633,2cyclictest2558937-1kworker/3:1H+kblockd08:02:213
2574181993632,2cyclictest2558937-1kworker/3:1H+kblockd11:35:153
2574181993632,2cyclictest2558937-1kworker/3:1H+kblockd11:08:223
2574181993632,2cyclictest2558937-1kworker/3:1H+kblockd08:11:313
2574181993628,6cyclictest2653457-21/usr/share/muni08:25:123
2574178993634,1cyclictest2885247-21kworker/2:0+pm12:26:142
2574178993634,1cyclictest2553425-21kworker/2:1+pm07:26:302
2574178993634,1cyclictest1412658-1kworker/2:0H+kblockd12:00:062
2574178993633,2cyclictest2885247-21kworker/2:0+pm12:30:012
2574178993633,2cyclictest1412658-1kworker/2:0H+kblockd10:25:152
2574178993633,2cyclictest1412658-1kworker/2:0H+kblockd09:10:122
2574178993633,1cyclictest2838307-21kworker/2:2+pm11:55:142
2574178993632,3cyclictest1412658-1kworker/2:0H+kblockd10:40:052
2574178993632,3cyclictest1412658-1kworker/2:0H+kblockd10:40:052
257417899362,33cyclictest37-21ksoftirqd/207:49:432
2574176993634,2cyclictest2874738-21kworker/u8:0+events_unbound12:05:091
2574176993634,1cyclictest2755955-1kworker/1:2H+kblockd10:37:471
2574176993634,1cyclictest2755955-1kworker/1:2H+kblockd10:13:171
2574176993634,1cyclictest2548618-1kworker/1:1H+kblockd09:39:021
2574176993634,1cyclictest2548618-1kworker/1:1H+kblockd09:21:221
2574176993634,1cyclictest2548618-1kworker/1:1H+kblockd07:14:171
2574176993633,3cyclictest2657674-21kworker/u8:4+events_unbound09:02:441
2574176993633,2cyclictest2503605-21kworker/u8:5+flush-179:007:28:341
2574176993632,3cyclictest2693923-21kworker/u8:3+events_unbound09:05:451
257417699360,35cyclictest40654-21chrome10:40:181
257417699360,35cyclictest40654-21chrome10:40:181
2574175993635,1cyclictest2734668-21kworker/0:1+pm09:59:360
2574175993634,1cyclictest2885107-21kworker/0:0+pm12:22:270
2574175993634,1cyclictest2786795-21kworker/0:2+pm11:38:560
2574175993634,1cyclictest2786795-21kworker/0:2+pm11:32:310
2574175993634,1cyclictest2734668-21kworker/0:1+pm10:33:060
2574175993634,1cyclictest2291691-1kworker/0:2H+kblockd12:30:170
2574175993634,1cyclictest2291691-1kworker/0:2H+kblockd11:07:360
2574175993634,1cyclictest2291691-1kworker/0:2H+kblockd08:21:180
2574175993634,1cyclictest2291691-1kworker/0:2H+kblockd07:56:080
2574175993633,2cyclictest2291691-1kworker/0:2H+kblockd12:27:560
2574175993633,2cyclictest2291691-1kworker/0:2H+kblockd07:45:020
2574175993632,3cyclictest2858211-21kworker/u8:4+flush-179:011:50:160
2574175993632,3cyclictest2626484-21kworker/u8:4+flush-179:008:00:060
2574175993630,3cyclictest2714091-21kworker/u8:2+flush-179:009:50:110
257417599360,35cyclictest40518-21python309:25:100
257417599360,35cyclictest40518-21python309:25:100
2574181993534,1cyclictest2558937-1kworker/3:1H+kblockd10:45:103
2574181993533,1cyclictest2558937-1kworker/3:1H+kblockd09:07:383
2574181993532,2cyclictest2864946-21kworker/3:0+pm12:23:223
2574181993532,2cyclictest2558937-1kworker/3:1H+kblockd09:43:263
2574181993532,2cyclictest2558760-21kworker/3:2+pm07:12:063
2574181993530,4cyclictest2648337-21/usr/share/muni08:20:083
2574181993525,9cyclictest2558937-1kworker/3:1H+kblockd11:29:423
2574176993533,1cyclictest2548618-1kworker/1:1H+kblockd08:38:371
2574176993533,1cyclictest2548618-1kworker/1:1H+kblockd08:34:061
2574176993532,2cyclictest2836862-21kworker/u8:3+events_unbound11:23:551
2574176993532,2cyclictest2642400-21kworker/u8:1+events_unbound08:25:591
2574176993521,14cyclictest2584958-21kworker/u8:0+flush-179:008:16:541
2574176993520,14cyclictest2791861-21kworker/u8:1+events_unbound11:07:581
2574175993533,2cyclictest2714091-21kworker/u8:2+flush-179:011:00:310
2574175993532,2cyclictest2874738-21kworker/u8:0+flush-179:012:15:210
2574181993431,2cyclictest2864946-21kworker/3:0+pm12:09:073
2574181993431,2cyclictest2558937-1kworker/3:1H+kblockd10:01:103
2574181993430,3cyclictest2558937-1kworker/3:1H+kblockd08:42:213
2574181993430,3cyclictest2558937-1kworker/3:1H+kblockd08:42:213
2574178993433,1cyclictest2553425-21kworker/2:1+pm07:40:312
2574176993432,2cyclictest2503605-21kworker/u8:5+events_unbound07:30:291
2574176993432,1cyclictest2842944-1kworker/1:0H+kblockd12:10:561
2574176993432,1cyclictest2755955-1kworker/1:2H+kblockd10:17:321
2574176993432,1cyclictest2548618-1kworker/1:1H+kblockd07:41:151
2574176993430,1cyclictest2584958-21kworker/u8:0+events_unbound08:00:341
2574175993432,2cyclictest2291691-1kworker/0:2H+kblockd10:54:510
2574175993431,2cyclictest2874738-21kworker/u8:0+flush-179:012:00:170
2574175993429,3cyclictest2756642-21/usr/share/muni10:05:130
257417599340,33cyclictest1-21systemd10:15:000
2574181993331,1cyclictest2558760-21kworker/3:2+pm07:43:063
2574181993330,2cyclictest2864946-21kworker/3:0+pm11:59:173
2574181993330,2cyclictest2558937-1kworker/3:1H+kblockd11:49:113
2574181993330,2cyclictest2558937-1kworker/3:1H+kblockd10:25:223
2574181993330,2cyclictest2558937-1kworker/3:1H+kblockd09:56:333
2574181993330,2cyclictest2558937-1kworker/3:1H+kblockd09:22:523
2574181993329,3cyclictest2558937-1kworker/3:1H+kblockd12:37:483
2574181993329,3cyclictest2558937-1kworker/3:1H+kblockd12:33:573
2574181993329,3cyclictest1260-21snmpd12:29:583
2574181993328,3cyclictest2558937-1kworker/3:1H+kblockd09:35:043
2574181993320,2cyclictest107350-21ntpd07:53:233
2574181993310,13cyclictest40614-21Chrome_ChildIOT08:54:323
2574178993331,1cyclictest2885247-21kworker/2:0+pm12:36:272
2574176993332,1cyclictest2781643-21kworker/1:1+pm10:33:171
2574176993331,1cyclictest2842944-1kworker/1:0H+kblockd12:30:311
2574176993331,1cyclictest2548618-1kworker/1:1H+kblockd09:25:331
2574176993331,1cyclictest2548618-1kworker/1:1H+kblockd09:25:331
2574176993330,3cyclictest2568149-21kworker/u8:3+events_unbound07:21:091
2574176993330,2cyclictest2693923-21kworker/u8:3+events_unbound09:10:201
2574176993329,3cyclictest2720398-21kworker/u8:1+flush-179:009:33:471
2574176993327,6cyclictest2657674-21kworker/u8:4+events_unbound10:51:291
2574176993320,2cyclictest2642400-21kworker/u8:1+events_unbound08:40:251
2574176993320,2cyclictest2642400-21kworker/u8:1+events_unbound08:40:251
257417599334,28cyclictest40654-21chrome10:57:060
2574175993330,2cyclictest2291691-1kworker/0:2H+kblockd09:09:070
2574175993330,2cyclictest2291691-1kworker/0:2H+kblockd08:05:110
2574175993330,2cyclictest2291691-1kworker/0:2H+kblockd07:37:330
2574181993224,5cyclictest2719173-21munin-limits09:25:313
2574181993224,5cyclictest2719173-21munin-limits09:25:313
2574181993222,1cyclictest1260-21snmpd08:16:483
2574176993230,1cyclictest2548618-1kworker/1:1H+kblockd07:52:161
2574176993217,14cyclictest2636720-21kworker/u8:3+events_unbound08:07:481
2574175993230,1cyclictest2291691-1kworker/0:2H+kblockd08:36:290
2574175993230,1cyclictest105470-21isc-net-000007:21:550
2574176993129,2cyclictest2636720-21kworker/u8:3+events_unbound08:20:261
2574176993129,1cyclictest2548618-1kworker/1:1H+kblockd07:35:151
2574176993128,2cyclictest2863997-21kworker/u8:3+events_unbound12:36:151
2574176993028,1cyclictest1260-21snmpd08:55:591
2574175993027,2cyclictest2291691-1kworker/0:2H+kblockd10:15:010
2574175993024,2cyclictest2568149-21kworker/u8:3+flush-179:007:10:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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