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2025-07-04 - 12:18
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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 Thu Jul 03, 2025 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33287212221178,32sleep00-21swapper/007:06:280
33289552218168,40sleep30-21swapper/307:09:283
33288792207183,14sleep20-21swapper/207:08:272
33286942207183,14sleep10-21swapper/107:06:091
3329238996359,2cyclictest3607174-21chrome11:45:021
3329245996256,3cyclictest3504912-31munin-html10:00:373
3329245996256,3cyclictest3504912-31munin-html10:00:373
332924599617,54cyclictest3520737-21kworker/u8:2+efi_rts_wq10:37:013
3329240995235,16cyclictest3328709-21kworker/u8:1+flush-179:007:30:332
3329238995248,3cyclictest3270330-21kworker/u8:2+events_unbound07:10:101
3329245995147,3cyclictest3434867-21kworker/u8:2+events_unbound09:10:423
3329235995148,2cyclictest40659-13Chrome_ChildIOT10:00:360
3329235995148,2cyclictest40659-13Chrome_ChildIOT10:00:360
3329235995147,3cyclictest3425147-21kworker/u8:4+flush-179:009:05:440
3329238995038,9cyclictest3460245-21kworker/u8:2+flush-179:009:25:251
3329240994946,2cyclictest3273758-1kworker/2:2H+kblockd11:45:022
3329235994944,3cyclictest3425146-21kworker/u8:3+flush-179:008:46:100
3329240994834,2cyclictest3424175-21kworker/2:2+pm09:55:332
3329238994844,3cyclictest3454888-21kworker/u8:0+events_unbound09:40:351
3329240994744,2cyclictest3617497-21kworker/u8:0+flush-179:012:10:172
332924099470,46cyclictest3333682-31munin-graph07:11:012
3329238994744,2cyclictest3520737-21kworker/u8:2+flush-179:010:50:101
3329238994742,2cyclictest3491162-21kworker/u8:4+events_unbound10:11:081
3329238994742,2cyclictest3491162-21kworker/u8:4+events_unbound10:11:081
332923599479,38cyclictest3528580-21kworker/u8:3+efi_rts_wq10:36:580
3329240994633,2cyclictest3601138-21kworker/2:2+pm12:04:372
3329238994644,2cyclictest3328709-21kworker/u8:1+events_unbound08:05:141
3329238994642,3cyclictest3399651-21kworker/u8:0+events_unbound08:16:411
3329245994542,2cyclictest3576107-21kworker/u8:4+events_unbound11:21:073
3329245994542,2cyclictest3576107-21kworker/u8:4+events_unbound11:21:073
3329240994533,11cyclictest3601138-21kworker/2:2+pm11:56:292
3329240994533,11cyclictest3601138-21kworker/2:2+pm11:56:292
3329238994543,2cyclictest3576107-21kworker/u8:4+events_unbound11:25:291
3329238994542,3cyclictest3576107-21kworker/u8:4+events_unbound11:50:071
3329238994541,3cyclictest3584550-21kworker/u8:2+events_unbound11:35:201
3329245994441,2cyclictest3425146-21kworker/u8:3+events_unbound08:45:023
3329240994439,4cyclictest40612-21ThreadPoolForeg10:20:222
3329240994431,12cyclictest3424175-21kworker/2:2+pm09:19:012
3329238994440,3cyclictest3434867-21kworker/u8:2+events_unbound09:01:371
3329245994340,2cyclictest3528580-21kworker/u8:3+flush-179:011:01:133
3329235994336,5cyclictest40614-21Chrome_ChildIOT11:00:420
3329245994238,3cyclictest3374866-21kworker/u8:2+events_unbound07:55:373
3329240994237,4cyclictest3505895-21/usr/share/muni10:05:152
3329238994239,2cyclictest3328709-21kworker/u8:1+events_unbound08:25:361
3329235994238,3cyclictest3328709-21kworker/u8:1+flush-179:008:30:280
3329245994136,3cyclictest3622538-21latency_hist12:00:003
3329245994136,3cyclictest3622538-21latency_hist12:00:003
3329240994131,9cyclictest3505418-21kworker/2:0+pm11:15:162
3329238994139,2cyclictest3576107-21kworker/u8:4+events_unbound11:41:181
3329238994138,2cyclictest3645182-21kworker/u8:2+events_unbound12:35:541
3329238994138,2cyclictest3425147-21kworker/u8:4+events_unbound09:05:371
3329240994038,1cyclictest3424175-21kworker/2:2+pm10:00:012
3329240994038,1cyclictest3424175-21kworker/2:2+pm10:00:012
3329240994037,2cyclictest3208321-21kworker/2:0+pm08:30:042
3329240994037,1cyclictest3505418-21kworker/2:0+pm10:25:212
3329238994038,2cyclictest3617497-21kworker/u8:0+flush-179:011:55:101
3329238994038,2cyclictest3617497-21kworker/u8:0+flush-179:011:55:101
3329238994038,2cyclictest3555867-21kworker/u8:1+events_unbound11:05:091
3329238994037,2cyclictest3520737-21kworker/u8:2+events_unbound10:36:181
3329238994037,2cyclictest3520737-21kworker/u8:2+events_unbound10:28:201
3329238994037,2cyclictest3454888-21kworker/u8:0+flush-179:010:05:291
3329238994037,2cyclictest3454888-21kworker/u8:0+flush-179:009:50:271
3329238994037,2cyclictest3454888-21kworker/u8:0+events_unbound09:31:571
3329238994037,2cyclictest3374866-21kworker/u8:2+flush-179:008:31:421
3329238994037,1cyclictest3027461-1kworker/1:1H+kblockd07:45:121
3329238994036,3cyclictest3425147-21kworker/u8:4+events_unbound09:21:321
3329238994035,4cyclictest3420122-21kworker/u8:0+events_unbound08:42:301
3329238994035,4cyclictest3345277-21/usr/share/muni07:25:021
3329238994035,3cyclictest3434856-31munin-html08:50:381
3329238994033,7cyclictest3328709-21kworker/u8:1+flush-179:007:20:071
3329235994036,3cyclictest3470825-21/usr/share/muni09:30:160
3329245993937,1cyclictest3591601-21kworker/3:2+pm12:22:313
3329245993936,3cyclictest3454888-21kworker/u8:0+flush-179:009:21:033
3329245993935,3cyclictest3454888-21kworker/u8:0+events_unbound09:16:133
3329245993933,5cyclictest40658-21ThreadPoolForeg11:38:213
3329240993937,1cyclictest3601138-21kworker/2:2+pm11:54:122
3329240993937,1cyclictest3505418-21kworker/2:0+pm11:22:332
3329240993937,1cyclictest3505418-21kworker/2:0+pm11:22:332
3329240993937,1cyclictest3505418-21kworker/2:0+pm10:41:032
3329240993937,1cyclictest3505418-21kworker/2:0+pm10:33:412
3329240993937,1cyclictest3424175-21kworker/2:2+pm09:41:112
3329240993937,1cyclictest3424175-21kworker/2:2+pm08:56:012
3329240993937,1cyclictest3424175-21kworker/2:2+pm08:51:542
3329240993937,1cyclictest3208321-21kworker/2:0+pm07:19:212
3329240993936,2cyclictest3637159-21kworker/2:0+pm12:16:042
3329238993937,2cyclictest3490176-21kworker/u8:1+flush-179:009:55:221
3329238993936,2cyclictest3555867-21kworker/u8:1+events_unbound10:55:251
3329238993936,2cyclictest3374866-21kworker/u8:2+events_unbound08:00:091
3329238993935,3cyclictest3637535-21kworker/u8:1+events_unbound12:16:471
332923899390,2cyclictest0-21swapper/108:20:091
3329235993935,3cyclictest3637535-21kworker/u8:1+flush-179:012:15:100
3329235993933,5cyclictest40614-21Chrome_ChildIOT08:21:070
3329235993933,5cyclictest40612-21ThreadPoolForeg09:51:110
3329245993835,3cyclictest3328709-21kworker/u8:1+events_unbound07:35:363
3329245993835,2cyclictest3520723-21kworker/3:0+pm11:19:163
3329245993835,2cyclictest1229789-1kworker/3:0H+kblockd11:46:413
3329240993837,1cyclictest3637159-21kworker/2:0+pm12:22:212
3329240993837,1cyclictest3424175-21kworker/2:2+pm09:45:322
3329240993837,1cyclictest3208321-21kworker/2:0+pm07:40:352
3329240993836,1cyclictest3637159-21kworker/2:0+pm12:32:042
3329240993836,1cyclictest3505418-21kworker/2:0+pm11:34:162
3329240993836,1cyclictest3505418-21kworker/2:0+pm11:27:302
3329240993836,1cyclictest3505418-21kworker/2:0+pm11:08:282
3329240993836,1cyclictest3424175-21kworker/2:2+pm09:31:462
3329240993836,1cyclictest3424175-21kworker/2:2+pm09:11:562
3329240993836,1cyclictest3208321-21kworker/2:0+pm07:20:342
3329240993835,2cyclictest3208321-21kworker/2:0+pm08:37:172
3329240993835,2cyclictest3208321-21kworker/2:0+pm07:36:362
3329240993834,2cyclictest3273758-1kworker/2:2H+kblockd08:45:112
332924099380,2cyclictest40661-13Compositor08:25:262
3329238993835,2cyclictest3369522-21kworker/u8:4+events_unbound07:56:121
3329238993835,2cyclictest3359959-21kworker/u8:0+events_unbound07:40:561
3329238993834,3cyclictest3460245-21kworker/u8:2+events_unbound09:17:041
3329238993822,14cyclictest3425147-21kworker/u8:4+events_unbound08:59:361
3329235993836,1cyclictest3143924-1kworker/0:0H+kblockd12:22:060
3329245993734,2cyclictest3591601-21kworker/3:2+pm11:42:493
3329245993734,2cyclictest3293643-21kworker/3:1+pm07:22:163
3329245993734,2cyclictest1229789-1kworker/3:0H+kblockd12:25:103
3329245993733,3cyclictest40657-21ThreadPoolForeg08:21:163
3329245993733,3cyclictest3349256-21kworker/u8:3+events_unbound07:46:213
3329245993724,12cyclictest3350007-21munin-update07:30:343
3329240993736,1cyclictest3505418-21kworker/2:0+pm10:47:102
3329240993735,1cyclictest3637159-21kworker/2:0+pm12:26:092
3329240993735,1cyclictest3505418-21kworker/2:0+pm11:10:062
3329240993735,1cyclictest3505418-21kworker/2:0+pm11:04:362
3329240993735,1cyclictest3505418-21kworker/2:0+pm10:55:162
3329240993735,1cyclictest3505418-21kworker/2:0+pm10:18:302
3329240993735,1cyclictest3424175-21kworker/2:2+pm09:07:332
3329240993735,1cyclictest3208321-21kworker/2:0+pm08:24:262
3329240993735,1cyclictest3208321-21kworker/2:0+pm08:01:132
3329240993734,2cyclictest3601138-21kworker/2:2+pm11:41:372
3329240993734,2cyclictest3505418-21kworker/2:0+pm10:35:022
3329240993734,2cyclictest3454888-21kworker/u8:0+flush-179:010:10:152
3329240993734,2cyclictest3454888-21kworker/u8:0+flush-179:010:10:152
3329240993714,3cyclictest40658-21ThreadPoolForeg08:06:352
3329238993735,2cyclictest3454888-21kworker/u8:0+flush-179:010:00:111
3329238993735,2cyclictest3454888-21kworker/u8:0+flush-179:010:00:111
3329238993734,2cyclictest3491162-21kworker/u8:4+events_unbound10:15:201
3329238993734,2cyclictest3027461-1kworker/1:1H+kblockd11:31:561
3329235993736,1cyclictest3365019-21kworker/0:2+pm08:28:020
3329235993734,2cyclictest3143924-1kworker/0:0H+kblockd10:16:200
3329235993734,2cyclictest3143924-1kworker/0:0H+kblockd07:45:190
3329235993733,3cyclictest3454888-21kworker/u8:0+events_unbound10:20:140
3329235993733,3cyclictest3143924-1kworker/0:0H+kblockd09:00:100
3329235993733,2cyclictest3143924-1kworker/0:0H+kblockd11:50:170
3329235993730,5cyclictest40658-21ThreadPoolForeg10:10:000
3329245993635,1cyclictest3370241-21kworker/3:2+pm08:33:363
3329245993634,1cyclictest1229789-1kworker/3:0H+kblockd12:31:273
3329245993634,1cyclictest1229789-1kworker/3:0H+kblockd09:51:533
3329245993633,2cyclictest1229789-1kworker/3:0H+kblockd11:34:073
3329245993632,3cyclictest3359959-21kworker/u8:0+flush-179:007:40:113
3329245993630,5cyclictest40658-21ThreadPoolForeg09:26:173
3329240993634,1cyclictest3424175-21kworker/2:2+pm09:53:312
3329240993634,1cyclictest3424175-21kworker/2:2+pm09:28:212
3329240993634,1cyclictest3424175-21kworker/2:2+pm09:02:012
3329240993634,1cyclictest3273758-1kworker/2:2H+kblockd08:17:262
3329240993634,1cyclictest3208321-21kworker/2:0+pm07:50:042
3329240993634,1cyclictest1260-21snmpd12:09:472
3329240993633,2cyclictest3424175-21kworker/2:2+pm09:35:332
3329240993633,2cyclictest3273758-1kworker/2:2H+kblockd07:49:442
332924099361,2cyclictest40576-13Chrome_IOThread11:36:092
3329238993635,1cyclictest3520737-21kworker/u8:2+events_unbound10:40:201
3329238993634,2cyclictest3560859-21kworker/u8:2+flush-179:011:00:161
3329238993632,3cyclictest3485765-13chrome09:45:011
3329238993632,3cyclictest3454888-21kworker/u8:0+flush-179:009:35:211
3329235993635,1cyclictest3365019-21kworker/0:2+pm08:09:120
3329235993634,1cyclictest3556054-21kworker/0:2+pm11:13:420
3329235993634,1cyclictest3470381-21kworker/0:2+pm10:27:050
3329235993633,2cyclictest3328709-21kworker/u8:1+flush-179:007:40:120
3329235993633,2cyclictest3143924-1kworker/0:0H+kblockd10:10:030
3329235993633,2cyclictest3143924-1kworker/0:0H+kblockd10:10:030
3329235993633,2cyclictest3143924-1kworker/0:0H+kblockd09:35:160
3329235993633,2cyclictest3143924-1kworker/0:0H+kblockd07:36:520
3329235993632,3cyclictest40657-21ThreadPoolForeg07:55:010
3329245993534,1cyclictest3370241-21kworker/3:2+pm07:52:513
3329245993533,1cyclictest3480596-21kworker/3:2+pm09:57:123
3329245993533,1cyclictest1229789-1kworker/3:0H+kblockd10:49:023
3329245993533,1cyclictest1229789-1kworker/3:0H+kblockd08:29:113
3329245993532,2cyclictest1229789-1kworker/3:0H+kblockd10:44:273
3329245993531,3cyclictest3522244-21cat10:20:163
3329240993534,1cyclictest3424175-21kworker/2:2+pm09:22:392
3329240993532,2cyclictest3505418-21kworker/2:0+pm10:50:282
3329240993532,2cyclictest3208321-21kworker/2:0+pm07:29:562
3329238993533,1cyclictest3027461-1kworker/1:1H+kblockd12:30:551
3329238993533,1cyclictest3027461-1kworker/1:1H+kblockd08:48:561
3329238993533,1cyclictest3027461-1kworker/1:1H+kblockd07:35:321
3329238993532,1cyclictest3027461-1kworker/1:1H+kblockd12:25:371
3329238993523,11cyclictest3515533-21kworker/u8:1+flush-179:010:22:111
3329235993534,1cyclictest3617555-21kworker/0:3+pm12:27:160
3329235993534,1cyclictest3143924-1kworker/0:0H+kblockd09:16:440
3329235993534,1cyclictest3143924-1kworker/0:0H+kblockd07:11:450
3329235993533,1cyclictest3143924-1kworker/0:0H+kblockd09:56:460
3329235993533,1cyclictest3143924-1kworker/0:0H+kblockd08:54:260
3329235993532,2cyclictest3143924-1kworker/0:0H+kblockd09:23:460
3329235993531,3cyclictest3328709-21kworker/u8:1+events_unbound09:11:410
332923599350,33cyclictest40658-21ThreadPoolForeg09:45:110
3329245993433,1cyclictest1229789-1kworker/3:0H+kblockd12:10:153
3329245993432,1cyclictest1229789-1kworker/3:0H+kblockd10:55:583
3329245993432,1cyclictest1229789-1kworker/3:0H+kblockd08:35:333
3329245993432,1cyclictest1229789-1kworker/3:0H+kblockd08:07:563
3329245993431,2cyclictest3571100-21latency_hist11:10:003
3329245993431,2cyclictest1229789-1kworker/3:0H+kblockd08:51:073
3329245993430,3cyclictest3530657-21http10:30:013
3329245993425,2cyclictest3454888-21kworker/u8:0+flush-179:009:45:083
3329245993419,14cyclictest3454888-21kworker/u8:0+flush-179:010:20:013
3329238993431,2cyclictest3027461-1kworker/1:1H+kblockd09:12:361
3329238993431,2cyclictest3027461-1kworker/1:1H+kblockd08:36:361
3329238993430,3cyclictest3546310-21chrome10:45:011
3329235993433,1cyclictest3283634-21kworker/0:1+pm07:25:000
3329235993432,1cyclictest3143924-1kworker/0:0H+kblockd11:24:470
3329235993432,1cyclictest3143924-1kworker/0:0H+kblockd11:24:470
3329235993432,1cyclictest3143924-1kworker/0:0H+kblockd08:04:060
3329235993431,2cyclictest3143924-1kworker/0:0H+kblockd11:36:290
3329235993430,3cyclictest3636730-21munin-limits12:10:320
3329235993430,3cyclictest3576107-21kworker/u8:4+flush-179:011:28:250
3329235993430,3cyclictest3555867-21kworker/u8:1+flush-179:010:58:510
3329235993430,3cyclictest3328709-21kworker/u8:1+flush-179:007:50:060
332923599340,32cyclictest40661-13Compositor10:40:360
3329245993331,1cyclictest1229789-1kworker/3:0H+kblockd09:37:323
3329245993330,3cyclictest1260-21snmpd09:41:163
3329245993330,2cyclictest3528580-21kworker/u8:3+flush-179:011:10:213
3329245993330,2cyclictest1260-21snmpd11:52:313
3329245993330,1cyclictest1260-21snmpd09:06:363
3329245993329,3cyclictest3509887-31munin-html10:05:383
3329245993328,4cyclictest3661428-21ntpq12:35:243
3329245993326,4cyclictest1260-21snmpd10:13:023
3329245993326,4cyclictest1260-21snmpd10:13:023
332924599330,32cyclictest40658-21ThreadPoolForeg07:11:033
3329240993331,1cyclictest3662041-31munin-html12:35:482
3329240993331,1cyclictest3208321-21kworker/2:0+pm08:40:112
3329240993331,1cyclictest3208321-21kworker/2:0+pm08:14:442
3329240993331,1cyclictest3208321-21kworker/2:0+pm07:55:252
3329238993331,1cyclictest3027461-1kworker/1:1H+kblockd11:18:571
3329238993330,3cyclictest3528580-21kworker/u8:3+flush-179:010:31:461
3329238993330,3cyclictest3369522-21kworker/u8:4+events_unbound07:51:431
3329238993329,3cyclictest3584550-21kworker/u8:2+flush-179:011:21:281
3329238993329,3cyclictest3584550-21kworker/u8:2+flush-179:011:21:281
3329238993329,3cyclictest3555867-21kworker/u8:1+flush-179:011:13:381
3329238993329,3cyclictest3027461-1kworker/1:1H+kblockd12:01:141
3329238993326,5cyclictest3340123-21/usr/share/muni07:20:021
3329235993331,1cyclictest3143924-1kworker/0:0H+kblockd08:40:010
3329235993331,1cyclictest3143924-1kworker/0:0H+kblockd07:17:030
3329235993330,2cyclictest3143924-1kworker/0:0H+kblockd10:30:170
3329245993230,1cyclictest1229789-1kworker/3:0H+kblockd10:35:013
3329245993229,2cyclictest1229789-1kworker/3:0H+kblockd12:01:093
3329245993229,2cyclictest1229789-1kworker/3:0H+kblockd07:27:563
3329245993228,3cyclictest3328709-21kworker/u8:1+flush-179:009:01:023
3329238993230,1cyclictest3535819-21kworker/1:0+pm12:24:061
3329238993229,2cyclictest3617497-21kworker/u8:0+events_unbound12:10:041
3329238993227,2cyclictest3611338-21kworker/u8:3+flush-179:012:05:161
3329238993225,6cyclictest40692-21ThreadPoolForeg07:35:011
3329235993230,1cyclictest3143924-1kworker/0:0H+kblockd08:16:140
3329235993230,1cyclictest105470-21isc-net-000012:07:440
3329235993230,1cyclictest105470-21isc-net-000011:41:450
3329235993229,2cyclictest3143924-1kworker/0:0H+kblockd11:45:050
3329235993229,2cyclictest3143924-1kworker/0:0H+kblockd11:05:010
3329245993130,1cyclictest1260-21snmpd12:08:553
3329245993129,1cyclictest1260-21snmpd09:31:013
3329245993129,1cyclictest1260-21snmpd08:19:583
3329245993129,1cyclictest1260-21snmpd07:16:173
3329245993126,4cyclictest3435600-21munin-update08:55:313
3329245993126,4cyclictest3428082-21cat08:45:213
3329245993122,8cyclictest0-21swapper/312:15:573
332923899310,1cyclictest3390410-21snmp_wanswitch.08:10:041
3329235993130,1cyclictest3365019-21kworker/0:2+pm08:12:420
3329235993129,1cyclictest1260-21snmpd07:28:170
3329235993125,4cyclictest3555770-31munin-html10:50:420
3329245993027,2cyclictest3374866-21kworker/u8:2+events_unbound08:10:263
3329235993028,1cyclictest1260-21snmpd08:55:590
3329235993027,2cyclictest3143924-1kworker/0:0H+kblockd08:39:570
3329245992929,0cyclictest1260-21snmpd08:03:513
3329245992926,2cyclictest3576107-21kworker/u8:4+flush-179:011:27:163
3329235992928,0cyclictest1260-21snmpd10:46:510
3329235992928,0cyclictest105470-21isc-net-000011:16:450
3329235992927,1cyclictest1260-21snmpd12:00:370
332923599290,27cyclictest40556-210851b1c9a0e90a012:35:110
3329235992827,1cyclictest3143924-1kworker/0:0H+kblockd11:56:220
3329235992827,1cyclictest3143924-1kworker/0:0H+kblockd11:56:220
3329235992824,3cyclictest3570270-21kworker/u8:0+flush-179:011:31:300
3329245992725,1cyclictest1229789-1kworker/3:0H+kblockd10:54:323
3329235992724,2cyclictest3143924-1kworker/0:0H+kblockd07:31:190
3329235992621,4cyclictest40612-21ThreadPoolForeg09:40:260
3329235992423,0cyclictest105470-21isc-net-000012:32:440
3329235992422,1cyclictest1260-21snmpd09:29:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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