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2026-03-29 - 00:05
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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 highest latencies:
System rackeslot2.osadl.org (updated Sat Mar 28, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
366344821560,2sleep30-21swapper/312:16:113
36554532980,1sleep03655454-21expr12:11:150
319207899263,4cyclictest1329-21rs:main0
3192078992613,7cyclictest0-21swapper/011:35:010
3192078992516,5cyclictest3541742-21/usr/sbin/munin11:06:210
319207899248,5cyclictest3692521-21kthreadcore12:31:230
3192078992414,6cyclictest1288-1atopacctd09:36:270
319207899237,7cyclictest0-21swapper/010:21:230
3192078992313,2cyclictest3540888-21latency_hist11:05:020
3192078992313,2cyclictest3471984-21cpu10:26:150
3192078992312,3cyclictest3206405-21perf07:20:010
3192078992312,2cyclictest3581045-21kthreadcore11:26:230
3192078992312,2cyclictest3418072-21apt-key09:55:000
319207899231,13cyclictest3672236-21apt-get12:21:160
319207899231,12cyclictest3357013-21munin-run09:20:010
3192078992311,2cyclictest3232285-21irqrtprio07:41:200
3192078992310,4cyclictest3511188-21kthreadcore10:46:220
33930822220,2sleep20-21swapper/209:41:162
3192080992216,2cyclictest134050irq/121-eno111:00:001
3192080992215,3cyclictest3431117-21kthreadcore10:01:221
319207899227,4cyclictest0-21swapper/009:56:190
319207899226,5cyclictest0-21swapper/009:31:550
3192078992213,2cyclictest3267316-21wc08:10:010
3192078992212,2cyclictest3671414-21runrttasks12:20:010
3192078992212,2cyclictest3406772-21mailstats09:46:270
3192078992212,2cyclictest3289112-21kthreadcore08:26:190
3192078992210,4cyclictest0-21swapper/008:35:010
3192084992118,1cyclictest0-21swapper/212:30:002
319207899213,5cyclictest3454665-21expr10:16:160
3192078992113,2cyclictest3333838-21kworker/u16:2-events_unbound09:14:130
3192078992111,2cyclictest3651274-21mailstats12:06:260
3192078992111,2cyclictest3603038-21tr11:41:150
3192078992111,2cyclictest3525256-21irqrtprio10:56:200
319207899210,5cyclictest3627663-21munin-run11:55:000
35653352200,2sleep1341rcuc/111:17:381
32920692200,2sleep136-21ksoftirqd/108:31:181
3192080992011,3cyclictest0-21swapper/109:50:011
319207899201,6cyclictest1290-21dbus-daemon09:05:010
3192078992012,2cyclictest3567010-21systemd-run11:20:020
3192078992011,5cyclictest3515329-21/usr/sbin/munin10:51:200
3192078992011,2cyclictest3326844-21mailstats08:56:270
3192080991916,2cyclictest3267062-21gpgconf08:10:001
319207899196,5cyclictest3337199-21tr09:06:220
3192078991912,6cyclictest3498254-21cpuspeed_turbos10:41:170
3192078991910,5cyclictest3699091-21idleruntime12:36:200
3192078991910,2cyclictest3249842-21gltestperf07:56:190
2649091190,2phc2sys0-21swapper/309:31:533
3192084991816,1cyclictest0-21swapper/211:05:012
319208099189,4cyclictest0-21swapper/110:45:011
3192080991816,1cyclictest0-21swapper/111:46:311
3192080991815,2cyclictest3636539-21cut12:00:011
3192080991815,2cyclictest1286-21avahi-daemon10:15:001
319207899188,5cyclictest0-21swapper/010:06:220
319207899185,5cyclictest3314059-21tr08:46:220
319207899181,5cyclictest0-21swapper/009:26:250
3192078991814,3cyclictest3430250-21kthreadcore10:01:220
3192078991812,5cyclictest3551064-21cut11:11:180
3192078991811,4cyclictest3567940-21aten_repower_cu11:21:150
2649091180,5phc2sys0-21swapper/310:46:353
2649091180,2phc2sys0-21swapper/310:59:413
2649091180,2phc2sys0-21swapper/307:51:183
3192084991714,1cyclictest0-21swapper/212:20:002
3192084991714,1cyclictest0-21swapper/209:40:022
3192084991713,2cyclictest0-21swapper/210:45:012
319208099178,4cyclictest0-21swapper/109:25:011
319208099171,4cyclictest0-21swapper/109:51:131
3192080991714,2cyclictest1326-21systemd-logind12:05:011
3192080991714,2cyclictest0-21swapper/109:40:001
3192080991713,3cyclictest3180282-21kworker/u16:4+nfsiod09:30:021
3192080991710,3cyclictest3212896-21aten2.4-expect07:26:161
3192080991710,3cyclictest3212896-21aten2.4-expect07:26:161
319207899178,4cyclictest0-21swapper/012:01:240
319207899176,6cyclictest0-21swapper/011:36:160
3192078991714,2cyclictest3285319-21systemd-run08:25:000
3192078991714,2cyclictest1286-21avahi-daemon10:15:000
2649091171,2phc2sys0-21swapper/307:46:333
2649091170,4phc2sys0-21swapper/309:26:123
2649091170,2phc2sys0-21swapper/312:38:453
2649091170,2phc2sys0-21swapper/311:31:403
2649091170,2phc2sys0-21swapper/310:41:383
2649091170,2phc2sys0-21swapper/310:32:293
3192084991613,2cyclictest0-21swapper/210:21:242
3192084991613,1cyclictest0-21swapper/212:00:002
3192084991613,1cyclictest0-21swapper/211:55:012
3192084991613,1cyclictest0-21swapper/211:10:012
3192084991613,1cyclictest0-21swapper/210:51:282
3192084991613,1cyclictest0-21swapper/210:36:202
3192084991613,1cyclictest0-21swapper/210:34:242
3192084991613,1cyclictest0-21swapper/210:05:012
3192084991613,1cyclictest0-21swapper/209:55:002
3192084991613,1cyclictest0-21swapper/207:20:022
3192084991612,2cyclictest0-21swapper/211:16:222
319208499160,8cyclictest0-21swapper/210:10:012
3192080991613,2cyclictest3299109-21kthreadcore08:36:201
3192080991613,2cyclictest3286782-21cut08:26:181
3192080991613,2cyclictest1286-21avahi-daemon12:35:021
3192080991612,3cyclictest1327-21in:imuxsock09:15:011
319208099160,3cyclictest0-21swapper/110:24:291
319207899168,7cyclictest3306546-21tr08:41:220
319207899162,9cyclictest0-21swapper/008:51:230
319207899161,7cyclictest3269135-21grep08:11:240
319207899161,7cyclictest3269135-21grep08:11:240
3192078991613,2cyclictest3224531-21perf07:35:000
3192078991613,2cyclictest3212971-21aten_repower_vo07:26:170
3192078991613,2cyclictest3212971-21aten_repower_vo07:26:170
3192078991613,2cyclictest3192737-21cpuspeed_turbos07:11:160
2649091160,3phc2sys0-21swapper/310:09:043
2649091160,2phc2sys0-21swapper/311:45:573
2649091160,2phc2sys0-21swapper/311:41:053
2649091160,2phc2sys0-21swapper/309:57:413
319208499155,5cyclictest0-21swapper/208:31:162
319208499151,8cyclictest0-21swapper/210:20:012
319208499151,6cyclictest0-21swapper/207:36:142
3192084991513,1cyclictest0-21swapper/209:26:162
3192084991513,1cyclictest0-21swapper/208:10:022
3192084991512,1cyclictest0-21swapper/212:05:002
3192084991512,1cyclictest0-21swapper/211:46:222
3192084991512,1cyclictest0-21swapper/211:45:002
3192084991512,1cyclictest0-21swapper/211:36:192
3192084991512,1cyclictest0-21swapper/211:34:562
3192084991512,1cyclictest0-21swapper/208:36:202
319208499150,9cyclictest0-21swapper/209:20:012
319208099159,2cyclictest134050irq/121-eno109:41:011
319208099157,1cyclictest134050irq/121-eno110:06:431
319208099156,4cyclictest0-21swapper/112:20:001
319208099154,5cyclictest3180282-21kworker/u16:4-xprtiod10:46:171
3192080991512,2cyclictest3494334-21mailstats10:36:261
3192080991512,2cyclictest3274161-21fschecks_count08:16:171
3192080991512,2cyclictest3256049-21irqcore08:01:211
3192080991512,2cyclictest3254357-21unixbench_multi07:56:291
3192080991512,2cyclictest3192072-21cyclictest10:26:161
3192080991512,2cyclictest3192072-21cyclictest09:01:171
3192080991511,3cyclictest3671231-21kworker/u16:1+nfsiod12:29:261
3192080991511,3cyclictest3645315-21kworker/u16:2+nfsiod12:12:091
3192080991511,3cyclictest3364938-21kworker/u16:0+nfsiod10:18:201
3192080991511,3cyclictest3180282-21kworker/u16:4+nfsiod11:42:031
319207899153,7cyclictest3297798-21aten_repower_cu08:36:140
3192078991512,2cyclictest3612782-21tr11:46:210
3192078991512,2cyclictest3365658-21cron09:25:000
3192078991512,2cyclictest3242920-21cut07:50:020
3192078991511,3cyclictest3683245-21kthreadcore12:26:210
3192078991511,3cyclictest3226235-21kthreadcore07:36:210
3192078991511,2cyclictest1296-21polkitd08:20:010
319207899151,10cyclictest3339607-21diskmemload10:32:490
2649091150,4phc2sys0-21swapper/310:03:383
2649091150,2phc2sys0-21swapper/312:25:373
2649091150,2phc2sys0-21swapper/311:28:273
2649091150,1phc2sys0-21swapper/312:31:053
2649091150,1phc2sys0-21swapper/310:54:123
319208499141,7cyclictest0-21swapper/210:46:222
3192084991411,1cyclictest0-21swapper/212:12:472
3192084991411,1cyclictest0-21swapper/211:20:232
3192084991411,1cyclictest0-21swapper/210:56:212
3192084991411,1cyclictest0-21swapper/210:14:572
3192084991411,1cyclictest0-21swapper/209:46:282
3192084991411,1cyclictest0-21swapper/209:24:272
3192084991411,1cyclictest0-21swapper/209:00:002
3192084991411,1cyclictest0-21swapper/208:16:202
3192084991411,1cyclictest0-21swapper/208:11:252
3192084991411,1cyclictest0-21swapper/208:11:252
3192084991411,1cyclictest0-21swapper/207:50:002
3192084991410,2cyclictest0-21swapper/212:39:212
3192084991410,2cyclictest0-21swapper/207:41:202
319208099149,4cyclictest3594214-21ssh11:36:161
319208099148,3cyclictest134050irq/121-eno107:36:231
319208099147,3cyclictest0-21swapper/110:35:001
319208099143,6cyclictest3523041-21kworker/u16:2+xprtiod11:00:361
319208099141,4cyclictest3306643-21cut08:41:221
3192080991411,2cyclictest3672530-21cpuspeed_turbos12:21:181
3192080991411,2cyclictest3624581-21kthreadcore11:51:211
3192080991411,2cyclictest3590221-21pmu-power11:31:241
3192080991411,2cyclictest3568049-21aten_repower_po11:21:161
3192080991411,2cyclictest3367130-21cstates09:26:131
3192080991411,2cyclictest3354626-21grep09:16:291
3192080991411,2cyclictest3267407-21kworker/u16:1-events_unbound08:50:011
3192080991411,2cyclictest3238589-21kthreadcore07:46:181
3192080991411,2cyclictest3202364-21kthreadcore07:16:211
3192080991411,2cyclictest3192072-21cyclictest08:11:231
3192080991411,2cyclictest3192072-21cyclictest08:11:231
3192080991411,2cyclictest1-21systemd09:59:191
3192080991410,3cyclictest3647448-21kernelversion12:06:201
3192080991410,3cyclictest3488228-21kworker/u16:1+nfsiod10:51:151
3192080991410,3cyclictest3233782-21kthreadcore07:41:211
319207899145,1cyclictest0-21swapper/009:41:150
3192078991411,2cyclictest3629387-21fschecks_count11:56:170
3192078991411,2cyclictest3248694-21sh07:55:000
2649091140,2phc2sys0-21swapper/312:01:093
2649091140,2phc2sys0-21swapper/310:18:553
2649091140,2phc2sys0-21swapper/309:38:033
2649091140,2phc2sys0-21swapper/308:10:133
2649091140,2phc2sys0-21swapper/308:10:133
319208499138,3cyclictest3286132-21taskset08:26:142
319208499133,5cyclictest0-21swapper/210:00:012
319208499131,7cyclictest0-21swapper/208:51:152
319208499131,6cyclictest0-21swapper/210:26:142
319208499131,5cyclictest0-21swapper/208:00:012
3192084991311,1cyclictest0-21swapper/207:16:202
3192084991311,1cyclictest0-21swapper/207:15:022
3192084991310,1cyclictest0-21swapper/212:31:262
3192084991310,1cyclictest0-21swapper/212:21:232
3192084991310,1cyclictest0-21swapper/211:30:012
3192084991310,1cyclictest0-21swapper/209:31:152
3192084991310,1cyclictest0-21swapper/209:11:252
3192084991310,1cyclictest0-21swapper/209:06:212
3192084991310,1cyclictest0-21swapper/208:21:192
3192084991310,1cyclictest0-21swapper/208:01:212
3192084991310,1cyclictest0-21swapper/207:31:232
319208499130,6cyclictest0-21swapper/211:10:282
319208099139,3cyclictest3317168-21kthreadcore08:51:221
319208099133,6cyclictest3699015-21expr12:36:191
319208099133,6cyclictest0-21swapper/111:11:151
3192080991310,2cyclictest3577266-21fschecks_time11:26:181
3192080991310,2cyclictest3542393-21uniq11:06:191
3192080991310,2cyclictest3280883-21irqrtprio08:21:211
3192080991310,2cyclictest3244577-21kthreadcore07:51:221
3192080991310,2cyclictest3212451-21latency_hist07:25:001
3192080991310,2cyclictest0-21swapper/109:00:001
3192078991310,2cyclictest3258069-21kthreadcore08:01:230
3192078991310,2cyclictest3207977-21irqrtprio07:21:210
2649091132,2phc2sys0-21swapper/311:39:253
2649091130,2phc2sys0-21swapper/311:54:203
2649091130,2phc2sys0-21swapper/311:18:253
2649091130,2phc2sys0-21swapper/310:40:023
2649091130,2phc2sys0-21swapper/309:46:123
319208499129,1cyclictest0-21swapper/212:06:212
319208499129,1cyclictest0-21swapper/209:01:222
319208499129,1cyclictest0-21swapper/208:45:162
319208499129,1cyclictest0-21swapper/207:51:162
3192084991210,1cyclictest0-21swapper/208:41:162
319208099129,2cyclictest3198414-21sh07:15:021
319208099123,8cyclictest3333990-1awk09:06:141
2649091123,2phc2sys0-21swapper/311:01:223
2649091121,2phc2sys0-21swapper/310:26:513
2649091120,4phc2sys0-21swapper/307:21:153
2649091120,3phc2sys0-21swapper/311:06:153
2649091120,3phc2sys0-21swapper/309:21:023
2649091120,2phc2sys0-21swapper/312:07:453
2649091120,2phc2sys0-21swapper/308:51:173
2649091120,1phc2sys0-21swapper/308:23:443
319208499119,1cyclictest0-21swapper/207:25:242
319208499119,1cyclictest0-21swapper/207:25:242
319208099112,3cyclictest3219142-21cpuspeed_turbos07:31:181
2649091112,2phc2sys0-21swapper/311:55:283
2649091111,4phc2sys0-21swapper/309:06:143
2649091111,2phc2sys0-21swapper/310:11:213
2649091110,5phc2sys0-21swapper/308:06:153
2649091110,1phc2sys0-21swapper/308:56:013
2649091110,1phc2sys0-21swapper/307:18:003
319208499108,1cyclictest0-21swapper/207:10:022
319208099108,1cyclictest3192186-21latency_hist07:10:021
2902298100,5rtkit-daemon1288-1atopacctd07:06:220
2649091101,2phc2sys0-21swapper/311:10:563
2649091100,3phc2sys0-21swapper/307:56:153
2649091100,2phc2sys0-21swapper/312:21:343
2649091100,2phc2sys0-21swapper/310:20:543
2649091100,2phc2sys0-21swapper/309:50:293
2649091100,2phc2sys0-21swapper/309:40:513
2649091100,2phc2sys0-21swapper/309:11:203
2649091100,2phc2sys0-21swapper/308:50:003
2649091100,2phc2sys0-21swapper/308:16:143
2649091100,2phc2sys0-21swapper/307:41:283
2649091100,2phc2sys0-21swapper/307:13:353
264909190,3phc2sys0-21swapper/307:31:163
264909190,3phc2sys0-21swapper/307:06:133
264909190,2phc2sys0-21swapper/312:10:243
264909190,2phc2sys0-21swapper/311:21:263
264909190,2phc2sys0-21swapper/309:15:343
264909190,2phc2sys0-21swapper/308:40:353
264909190,2phc2sys0-21swapper/308:36:143
264909190,2phc2sys0-21swapper/308:31:173
264909190,2phc2sys0-21swapper/308:25:323
264909190,2phc2sys0-21swapper/308:01:283
264909190,2phc2sys0-21swapper/307:39:553
264909180,2phc2sys0-21swapper/309:00:023
264909180,2phc2sys0-21swapper/307:26:173
264909180,2phc2sys0-21swapper/307:26:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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