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2025-07-13 - 10:16
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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 Sat Jul 12, 2025 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40730082209185,14sleep00-21swapper/007:07:470
40728702199172,17sleep20-21swapper/207:06:092
40729222193169,14sleep30-21swapper/307:06:503
40729522190166,14sleep10-21swapper/107:07:111
4073387996157,2cyclictest164712-13chrome11:45:013
4073386995548,5cyclictest164824-21chrome11:45:012
4073387995248,3cyclictest159581-21/usr/share/muni11:40:033
4073387995047,2cyclictest4057565-21kworker/u8:0+events_unbound07:25:123
4073387995041,6cyclictest40692-21ThreadPoolForeg07:35:093
4073387994946,2cyclictest183081-21kworker/u8:0+events_unbound12:05:093
4073387994942,3cyclictest4057565-21kworker/u8:0+events_unbound07:20:143
4073386994945,3cyclictest81204-21kworker/u8:1+events_unbound10:37:582
4073386994939,9cyclictest4123633-21kworker/u8:4+flush-179:008:40:172
713192470,1chrt71311-21snmp_wanswitch.10:15:032
4073386994745,2cyclictest73926-21kworker/u8:3+events_unbound10:55:082
4073383994741,4cyclictest59987-31munin-html10:00:331
4073380994741,4cyclictest4099806-21latency_hist07:35:010
4073387994643,2cyclictest8526-21kworker/u8:2+flush-179:009:55:303
4073387994541,3cyclictest4057565-21kworker/u8:0+flush-179:007:30:283
4073380994543,1cyclictest3774500-1kworker/0:2H+kblockd08:33:510
4073387994434,9cyclictest3961715-1kworker/3:2H+kblockd11:14:363
4073386994441,3cyclictest4123633-21kworker/u8:4+events_unbound08:30:292
4073383994437,5cyclictest159571-21/usr/share/muni11:40:101
4073387994340,2cyclictest60641-21kworker/u8:1+events_unbound10:10:313
4073387994340,2cyclictest4145693-21kworker/u8:1+events_unbound08:25:093
4073387994339,3cyclictest8526-21kworker/u8:2+flush-179:009:45:313
4073387994339,3cyclictest4136336-21kworker/u8:0+flush-179:008:15:273
4073387994239,2cyclictest73926-21kworker/u8:3+flush-179:011:05:273
4073387994239,2cyclictest4176981-21kworker/u8:1+events_unbound09:31:423
407338699425,1cyclictest171rcu_preempt07:50:482
4073386994240,1cyclictest2921420-1kworker/2:1H+kblockd07:34:492
4073386994239,2cyclictest4104516-21kworker/u8:4+events_unbound07:40:152
4073386994239,2cyclictest4104516-21kworker/u8:4+events_unbound07:40:152
4073386994225,4cyclictest190313-21kworker/u8:1+events_unbound12:15:142
407338699420,41cyclictest40654-21chrome12:23:292
4073383994239,2cyclictest40659-13Chrome_ChildIOT11:01:411
4073383994238,3cyclictest144047-21/usr/share/muni11:25:051
4073387994137,3cyclictest18854-21kworker/u8:0+flush-179:009:35:323
4073387994137,2cyclictest102582-21ThreadPoolForeg10:45:013
4073386994139,1cyclictest159135-21gpgv11:40:012
4073386994129,11cyclictest154269-21kworker/2:2+pm12:35:012
4073383994135,4cyclictest43972-21ntpq09:45:251
4073387994037,2cyclictest4176981-21kworker/u8:1+flush-179:009:20:093
4073387994036,3cyclictest183081-21kworker/u8:0+flush-179:012:00:293
4073387994035,3cyclictest45550-21/usr/share/muni09:50:023
407338699405,20cyclictest171rcu_preempt11:21:192
4073386994038,1cyclictest24037-21kworker/2:0+pm10:10:322
4073386994037,2cyclictest4046996-21kworker/2:0+pm07:25:072
4073386994037,1cyclictest4160603-21kworker/2:1+pm08:36:462
4073386994037,1cyclictest4160603-21kworker/2:1+pm08:36:462
4073386994036,3cyclictest8526-21kworker/u8:2+events_unbound09:43:442
4073386994036,3cyclictest73926-21kworker/u8:3+events_unbound10:29:022
4073386994026,13cyclictest2921420-1kworker/2:1H+kblockd07:23:462
4073380994037,2cyclictest91454-21kworker/0:2+pm11:27:150
4073387993936,2cyclictest4047364-21kworker/3:1+pm07:17:363
4073387993935,3cyclictest73926-21kworker/u8:3+flush-179:010:25:313
4073387993935,3cyclictest4120364-21kworker/u8:2+events_unbound08:05:093
4073387993935,2cyclictest4110353-21chrome07:45:013
4073387993934,3cyclictest153673-21kworker/u8:1+events_unbound11:50:353
4073387993931,7cyclictest144119-1kworker/3:0H+kblockd12:23:213
4073386993937,1cyclictest24037-21kworker/2:0+pm10:03:562
4073386993937,1cyclictest154269-21kworker/2:2+pm11:41:082
4073386993936,2cyclictest76157-21kworker/2:1+pm11:16:462
4073386993936,2cyclictest4120364-21kworker/u8:2+events_unbound08:45:102
4073386993936,2cyclictest4115447-21kworker/2:0+pm08:23:472
4073386993936,2cyclictest4115447-21kworker/2:0+pm08:00:252
4073386993934,4cyclictest45207-21cp09:50:002
4073386993910,25cyclictest122737-31munin-graph11:01:232
407338699390,2cyclictest179780-31munin-graph11:55:572
4073383993936,2cyclictest18935-21kworker/1:1+pm10:22:311
4073383993936,2cyclictest18935-21kworker/1:1+pm10:22:311
4073383993936,2cyclictest18935-21kworker/1:1+pm10:09:111
4073383993925,13cyclictest1260-21snmpd09:03:051
4073380993936,2cyclictest4089320-21kworker/0:2+pm08:09:560
4073380993935,3cyclictest4057565-21kworker/u8:0+flush-179:007:30:000
4073387993836,1cyclictest4047364-21kworker/3:1+pm08:47:353
4073387993836,1cyclictest4047364-21kworker/3:1+pm08:43:063
4073387993835,2cyclictest4123633-21kworker/u8:4+flush-179:008:55:053
4073387993834,2cyclictest144119-1kworker/3:0H+kblockd12:35:043
4073386993836,1cyclictest76157-21kworker/2:1+pm11:06:412
4073386993836,1cyclictest76157-21kworker/2:1+pm10:46:252
4073386993836,1cyclictest76157-21kworker/2:1+pm10:40:332
4073386993836,1cyclictest4160603-21kworker/2:1+pm08:55:042
4073386993836,1cyclictest4115447-21kworker/2:0+pm08:11:522
4073386993836,1cyclictest4115447-21kworker/2:0+pm07:55:572
4073386993836,1cyclictest4046996-21kworker/2:0+pm07:18:022
4073386993836,1cyclictest24037-21kworker/2:0+pm09:55:312
4073386993836,1cyclictest2003-21kworker/2:0+pm09:12:072
4073386993836,1cyclictest2003-21kworker/2:0+pm09:12:072
4073386993836,1cyclictest154269-21kworker/2:2+pm12:34:462
4073386993836,1cyclictest154269-21kworker/2:2+pm12:34:462
4073386993836,1cyclictest154269-21kworker/2:2+pm12:25:292
4073386993835,2cyclictest4160603-21kworker/2:1+pm08:51:212
4073386993835,2cyclictest18854-21kworker/u8:0+events_unbound09:34:562
4073386993835,2cyclictest154269-21kworker/2:2+pm12:11:112
4073386993835,2cyclictest13628-21kworker/2:1+pm09:21:212
4073386993835,2cyclictest1260-21snmpd11:32:002
4073383993836,1cyclictest4170743-21kworker/1:1+pm08:58:161
4073383993836,1cyclictest4110024-21kworker/1:0+pm07:59:161
4073383993835,2cyclictest133225-21kworker/1:0+pm12:04:261
4073383993834,2cyclictest97346-1kworker/1:0H+kblockd12:34:211
4073383993834,2cyclictest97346-1kworker/1:0H+kblockd12:34:211
4073383993832,4cyclictest169889-21munin-update11:50:041
4073380993836,1cyclictest91454-21kworker/0:2+pm11:39:050
4073380993836,1cyclictest55396-21kworker/0:0+pm10:05:310
4073380993834,3cyclictest4094368-21kworker/u8:2+events_unbound07:35:310
4073380993834,2cyclictest8526-21kworker/u8:2+flush-179:010:20:120
4073380993834,2cyclictest8526-21kworker/u8:2+flush-179:010:20:120
4073387993735,2cyclictest4109753-21kworker/u8:1+events_unbound08:00:093
4073387993735,1cyclictest55527-21kworker/3:2+pm10:33:013
4073387993734,2cyclictest71476-21kworker/u8:0+flush-179:010:20:313
4073387993734,2cyclictest71476-21kworker/u8:0+flush-179:010:20:313
4073387993734,2cyclictest71476-21kworker/u8:0+events_unbound10:15:133
4073387993734,2cyclictest118068-21kworker/u8:2+events_unbound11:25:083
4073386993736,1cyclictest4115447-21kworker/2:0+pm08:07:562
4073386993735,1cyclictest76157-21kworker/2:1+pm11:25:012
4073386993735,1cyclictest76157-21kworker/2:1+pm10:20:052
4073386993735,1cyclictest76157-21kworker/2:1+pm10:20:052
4073386993735,1cyclictest4160603-21kworker/2:1+pm09:07:312
4073386993735,1cyclictest4160603-21kworker/2:1+pm09:03:532
4073386993735,1cyclictest4156733-1kworker/2:2H+kblockd12:01:142
4073386993735,1cyclictest4094988-21kworker/2:2+pm07:35:172
4073386993735,1cyclictest24037-21kworker/2:0+pm10:05:052
4073386993735,1cyclictest154269-21kworker/2:2+pm12:09:302
4073383993735,1cyclictest4110024-21kworker/1:0+pm08:38:361
4073383993735,1cyclictest4110024-21kworker/1:0+pm08:38:361
4073383993735,1cyclictest4110024-21kworker/1:0+pm08:06:591
4073383993735,1cyclictest18935-21kworker/1:1+pm10:34:311
4073383993734,2cyclictest4015516-1kworker/1:2H+kblockd10:12:371
4073383993734,2cyclictest4015516-1kworker/1:2H+kblockd09:52:221
4073383993733,3cyclictest4015516-1kworker/1:2H+kblockd09:39:061
4073383993733,2cyclictest4084548-21kworker/1:1+pm07:35:001
4073383993733,2cyclictest112664-21kworker/1:2+pm11:32:111
4073383993732,3cyclictest4015516-1kworker/1:2H+kblockd08:16:451
4073383993730,6cyclictest1260-21snmpd09:10:051
4073383993730,6cyclictest1260-21snmpd09:10:051
4073380993735,1cyclictest91454-21kworker/0:2+pm11:19:360
4073380993734,2cyclictest91454-21kworker/0:2+pm11:34:150
4073380993734,2cyclictest4193055-1kworker/0:0H+kblockd11:51:290
4073380993734,2cyclictest4193055-1kworker/0:0H+kblockd09:31:400
4073380993733,3cyclictest4193055-1kworker/0:0H+kblockd11:45:010
4073380993733,2cyclictest4193055-1kworker/0:0H+kblockd09:45:050
4073380993732,4cyclictest184959-31munin-graph12:01:090
4073380993731,5cyclictest86979-21/usr/share/muni10:30:020
4073380993718,17cyclictest40614-21Chrome_ChildIOT09:29:310
4073387993634,1cyclictest3961715-1kworker/3:2H+kblockd10:06:183
4073387993633,2cyclictest8526-21kworker/u8:2+flush-179:009:15:253
4073387993633,2cyclictest4120364-21kworker/u8:2+flush-179:008:10:073
4073387993633,2cyclictest3961715-1kworker/3:2H+kblockd08:50:013
4073387993633,2cyclictest144119-1kworker/3:0H+kblockd11:32:063
4073387993632,3cyclictest81204-21kworker/u8:1+flush-179:010:50:273
4073387993632,3cyclictest4120364-21kworker/u8:2+events_unbound08:35:263
4073387993632,3cyclictest4120364-21kworker/u8:2+events_unbound08:35:263
4073387993632,3cyclictest205761-21kworker/u8:3+flush-179:012:30:203
4073387993632,3cyclictest205761-21kworker/u8:3+flush-179:012:30:203
4073387993631,4cyclictest4123633-21kworker/u8:4+events_unbound08:20:083
4073387993631,3cyclictest3961715-1kworker/3:2H+kblockd10:41:083
407338699364,28cyclictest40661-13Compositor09:15:372
4073386993635,1cyclictest24037-21kworker/2:0+pm09:50:072
4073386993634,1cyclictest76157-21kworker/2:1+pm11:10:042
4073386993634,1cyclictest76157-21kworker/2:1+pm10:51:212
4073386993634,1cyclictest76157-21kworker/2:1+pm10:31:122
4073386993633,2cyclictest4115447-21kworker/2:0+pm08:25:482
4073383993634,1cyclictest97346-1kworker/1:0H+kblockd10:56:141
4073383993634,1cyclictest4015516-1kworker/1:2H+kblockd09:32:301
4073383993634,1cyclictest4015516-1kworker/1:2H+kblockd09:15:071
4073383993634,1cyclictest4015516-1kworker/1:2H+kblockd08:34:011
4073383993634,1cyclictest4015516-1kworker/1:2H+kblockd08:20:291
4073383993634,1cyclictest18935-21kworker/1:1+pm10:54:261
4073383993633,2cyclictest97346-1kworker/1:0H+kblockd11:13:001
4073383993633,2cyclictest4084548-21kworker/1:1+pm07:42:511
4073383993633,2cyclictest4084548-21kworker/1:1+pm07:42:511
4073383993633,2cyclictest4015516-1kworker/1:2H+kblockd10:25:321
4073383993633,2cyclictest4015516-1kworker/1:2H+kblockd09:58:271
4073383993633,2cyclictest4015516-1kworker/1:2H+kblockd09:22:311
4073383993633,2cyclictest4015516-1kworker/1:2H+kblockd08:14:061
4073383993633,2cyclictest4015516-1kworker/1:2H+kblockd07:52:061
4073383993633,2cyclictest4015516-1kworker/1:2H+kblockd07:10:161
4073383993632,2cyclictest97346-1kworker/1:0H+kblockd12:35:031
4073383993631,4cyclictest39764-21CacheThread_Blo09:45:011
407338399360,1cyclictest0-21swapper/112:05:071
4073380993634,1cyclictest4193055-1kworker/0:0H+kblockd11:45:080
4073380993634,1cyclictest4193055-1kworker/0:0H+kblockd10:26:210
4073380993634,1cyclictest4089320-21kworker/0:2+pm08:22:010
4073380993634,1cyclictest3774500-1kworker/0:2H+kblockd08:55:570
4073380993633,2cyclictest4193055-1kworker/0:0H+kblockd11:10:160
4073380993633,2cyclictest4193055-1kworker/0:0H+kblockd09:56:410
4073380993633,2cyclictest3774500-1kworker/0:2H+kblockd08:43:390
4073380993633,2cyclictest3774500-1kworker/0:2H+kblockd08:16:380
4073380993632,2cyclictest4193055-1kworker/0:0H+kblockd10:47:310
4073380993631,4cyclictest96738-21kworker/u8:0+flush-179:010:50:180
4073380993630,5cyclictest4089216-31munin-html07:20:440
4073387993534,1cyclictest3961715-1kworker/3:2H+kblockd09:06:203
4073387993532,2cyclictest144119-1kworker/3:0H+kblockd11:35:313
4073387993531,3cyclictest81204-21kworker/u8:1+events_unbound11:15:203
4073387993531,3cyclictest3961715-1kworker/3:2H+kblockd09:04:563
4073387993524,8cyclictest148531-21kworker/u8:4+events_unbound12:17:013
4073386993533,1cyclictest4156733-1kworker/2:2H+kblockd09:35:202
4073386993533,1cyclictest4094988-21kworker/2:2+pm07:45:152
4073386993533,1cyclictest154269-21kworker/2:2+pm11:50:322
4073386993532,2cyclictest13628-21kworker/2:1+pm09:25:402
4073386993531,3cyclictest4123633-21kworker/u8:4+events_unbound08:16:132
4073386993513,21cyclictest0-21swapper/207:11:142
4073383993534,1cyclictest4015516-1kworker/1:2H+kblockd08:51:341
4073383993533,1cyclictest97346-1kworker/1:0H+kblockd12:10:331
4073383993533,1cyclictest97346-1kworker/1:0H+kblockd10:40:041
4073383993531,3cyclictest4015516-1kworker/1:2H+kblockd07:45:061
4073383993530,3cyclictest1260-21snmpd08:01:061
4073380993534,1cyclictest4193055-1kworker/0:0H+kblockd12:14:060
4073380993534,1cyclictest4193055-1kworker/0:0H+kblockd11:22:480
4073380993533,1cyclictest91454-21kworker/0:2+pm11:09:060
4073380993533,1cyclictest4193055-1kworker/0:0H+kblockd09:05:160
4073380993532,2cyclictest4193055-1kworker/0:0H+kblockd10:11:110
4073380993532,2cyclictest3774500-1kworker/0:2H+kblockd08:47:260
4073380993531,2cyclictest4193055-1kworker/0:0H+kblockd12:30:140
4073380993531,2cyclictest4193055-1kworker/0:0H+kblockd12:30:140
4073380993531,2cyclictest3774500-1kworker/0:2H+kblockd09:04:310
4073387993432,1cyclictest144119-1kworker/3:0H+kblockd12:10:143
4073387993430,3cyclictest91544-21kworker/u8:2+flush-179:010:35:223
4073387993430,2cyclictest8526-21kworker/u8:2+flush-179:009:25:213
4073387993430,2cyclictest3961715-1kworker/3:2H+kblockd11:23:573
4073387993428,3cyclictest44594-21kworker/u8:4+events_unbound10:00:183
4073383993432,1cyclictest4110024-21kworker/1:0+pm08:40:311
4073383993432,1cyclictest4015516-1kworker/1:2H+kblockd07:38:311
4073383993431,2cyclictest4015516-1kworker/1:2H+kblockd08:50:001
4073383993429,3cyclictest158267-31munin-html11:35:331
4073380993432,1cyclictest4193055-1kworker/0:0H+kblockd10:41:310
4073380993432,1cyclictest3774500-1kworker/0:2H+kblockd07:18:010
4073380993431,2cyclictest4193055-1kworker/0:0H+kblockd12:39:360
4073380993431,2cyclictest4193055-1kworker/0:0H+kblockd10:35:130
4073380993431,2cyclictest4193055-1kworker/0:0H+kblockd09:10:520
4073380993431,2cyclictest4193055-1kworker/0:0H+kblockd09:10:520
4073380993431,2cyclictest205675-31munin-graph12:20:480
4073380993429,4cyclictest206319-21/usr/share/muni12:25:140
4073387993331,1cyclictest3961715-1kworker/3:2H+kblockd07:59:113
4073387993331,1cyclictest3961715-1kworker/3:2H+kblockd07:40:253
4073387993331,1cyclictest3961715-1kworker/3:2H+kblockd07:40:253
4073387993331,1cyclictest3961715-1kworker/3:2H+kblockd07:12:053
4073387993330,2cyclictest3961715-1kworker/3:2H+kblockd08:31:103
4073387993330,2cyclictest144119-1kworker/3:0H+kblockd12:26:563
4073387993329,3cyclictest8526-21kworker/u8:2+flush-179:009:40:043
4073383993331,1cyclictest97346-1kworker/1:0H+kblockd10:45:361
4073383993331,1cyclictest4015516-1kworker/1:2H+kblockd10:16:221
4073383993330,2cyclictest97346-1kworker/1:0H+kblockd12:25:081
4073383993330,2cyclictest97346-1kworker/1:0H+kblockd11:06:501
4073383993330,2cyclictest4015516-1kworker/1:2H+kblockd07:17:011
4073383993330,2cyclictest112664-21kworker/1:2+pm11:19:061
4073380993330,2cyclictest4193055-1kworker/0:0H+kblockd11:01:370
4073380993330,2cyclictest4193055-1kworker/0:0H+kblockd10:15:590
4073380993330,2cyclictest4193055-1kworker/0:0H+kblockd09:16:340
4073380993330,2cyclictest4129936-21kworker/u8:5+flush-179:008:00:320
4073380993330,2cyclictest4062700-21kworker/u8:3+flush-179:007:50:060
4073380993330,2cyclictest3774500-1kworker/0:2H+kblockd07:55:040
4073380993329,3cyclictest4193055-1kworker/0:0H+kblockd10:58:210
4073387993229,2cyclictest3961715-1kworker/3:2H+kblockd11:00:043
4073387993229,2cyclictest1260-21snmpd09:12:203
4073387993229,2cyclictest1260-21snmpd09:12:203
4073383993230,1cyclictest4015516-1kworker/1:2H+kblockd10:37:541
4073383993230,1cyclictest133225-21kworker/1:0+pm11:47:261
4073383993230,1cyclictest1260-21snmpd08:27:371
4073380993230,1cyclictest1260-21snmpd12:09:580
4073380993230,1cyclictest1260-21snmpd07:12:320
4073380993229,2cyclictest3774500-1kworker/0:2H+kblockd07:40:040
4073380993229,2cyclictest3774500-1kworker/0:2H+kblockd07:40:040
4073380993229,2cyclictest1260-21snmpd10:00:040
4073380993228,3cyclictest175095-21kworker/u8:2+flush-179:011:55:190
407338099321,30cyclictest40657-21ThreadPoolForeg07:45:180
4073387993129,1cyclictest1260-21snmpd10:55:353
4073387993129,1cyclictest1260-21snmpd07:55:003
4073387993126,4cyclictest153673-21kworker/u8:1+flush-179:011:55:273
4073383993129,1cyclictest1260-21snmpd12:20:021
4073383993129,1cyclictest1260-21snmpd07:28:321
4073383993129,1cyclictest105470-21isc-net-000011:58:571
4073383993128,2cyclictest97346-1kworker/1:0H+kblockd12:19:231
4073383993128,2cyclictest4123633-21kworker/u8:4+flush-179:009:05:321
4073380993129,1cyclictest1260-21snmpd09:45:000
4073380993129,1cyclictest1260-21snmpd08:54:320
4073380993128,2cyclictest4155524-21nmap08:25:320
4073380993128,2cyclictest1260-21snmpd09:53:160
4073380993123,6cyclictest4136030-21/usr/share/muni08:10:130
4073383993026,2cyclictest97346-1kworker/1:0H+kblockd11:22:261
4073380993030,0cyclictest1260-21snmpd08:38:280
4073380993030,0cyclictest1260-21snmpd08:38:280
4073380993029,1cyclictest1260-21snmpd09:24:270
4073380993029,0cyclictest1260-21snmpd09:37:390
4073383992926,2cyclictest4015516-1kworker/1:2H+kblockd09:27:531
4073383992925,3cyclictest1260-21snmpd07:20:351
4073380992927,1cyclictest91454-21kworker/0:2+pm12:17:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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