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2026-05-13 - 19:31
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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 rack2slot0.osadl.org (updated Wed May 13, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
80772970,2sleep3356199cyclictest11:42:443
42092950,2sleep2356099cyclictest10:44:002
27522920,1sleep1355999cyclictest09:59:371
27522920,1sleep1355999cyclictest09:59:371
244002770,0sleep20-21swapper/211:46:562
231592620,0sleep20-21swapper/210:09:392
5882570,1sleep3674-21dbus-daemon10:43:413
117872560,0sleep2311rcuc/211:23:332
108722560,0sleep010864-21sshd09:35:200
134842540,0sleep30-21swapper/312:11:053
78202520,2sleep2356099cyclictest11:12:042
28742520,0sleep10-21swapper/110:32:451
271762500,0sleep00-21swapper/010:34:520
299082490,1sleep30-21swapper/311:47:253
187832490,0sleep20-21swapper/211:15:432
148062480,0sleep00-21swapper/011:51:430
106992480,0sleep00-21swapper/011:26:110
241672460,0sleep10-21swapper/112:31:331
145402460,0sleep20-21swapper/209:24:572
118832440,1sleep2622-13audispd09:38:142
76182420,0sleep20-21swapper/212:13:242
263472420,0sleep20-21swapper/209:50:272
308652400,1sleep230866-21kworker/u8:311:08:312
325623327,3sleep20-21swapper/207:07:422
34012308,7sleep30-21swapper/307:09:283
312022515,6sleep10-21swapper/107:05:581
264732250,13sleep375750irq/24-eno1-rx-10:09:563
29172219,7sleep00-21swapper/007:05:210
137142210,1sleep313712-21sshd12:16:413
311652200,0sleep20-21swapper/209:48:122
20192200,0sleep20-21swapper/209:19:242
100442190,0sleep30-21swapper/312:02:273
54282170,1sleep0101ktimersoftd/010:44:060
264162170,1sleep2674-21dbus-daemon10:01:342
299642160,0sleep10-21swapper/109:18:511
78982150,0sleep37901-21bash11:00:543
355999150,1cyclictest660-21avahi-daemon10:50:281
324092150,0sleep00-21swapper/011:56:000
233752150,0sleep10-21swapper/111:05:061
207512150,0sleep30-21swapper/311:21:303
45402140,0sleep20-21swapper/211:36:512
45402140,0sleep20-21swapper/211:36:512
356199140,13cyclictest624-13audispd12:28:443
3560991414,0cyclictest527-40kipmi010:47:422
355699141,12cyclictest624-13audispd09:14:380
326382140,0sleep10-21swapper/110:43:391
266402140,0sleep11-21systemd10:57:001
148832140,0sleep30-21swapper/309:16:573
75622130,0sleep00-21swapper/010:52:340
70502130,0sleep20-21swapper/211:42:392
40592130,1sleep14061-21grepconf.sh09:54:111
3561991311,1cyclictest0-21swapper/309:23:143
356199130,1cyclictest13694-21sshd10:17:043
356099130,1cyclictest0-21swapper/211:53:132
3559991311,1cyclictest1026-21sshd11:37:491
3559991311,1cyclictest1026-21sshd11:37:481
355999130,11cyclictest1-21systemd12:20:581
326972130,0sleep20-21swapper/212:32:182
265642130,0sleep20-21swapper/210:59:502
67502120,0sleep06749-21grepconf.sh10:21:590
3561991210,1cyclictest1-21systemd10:49:033
3561991210,1cyclictest0-21swapper/311:35:143
3561991210,1cyclictest0-21swapper/311:35:143
356199120,1cyclictest674-21dbus-daemon12:20:183
356199120,11cyclictest674-21dbus-daemon11:05:043
3560991211,0cyclictest6417-21lspci09:27:502
3560991210,1cyclictest12907-21sshd10:53:032
3559991210,1cyclictest1-21systemd12:02:091
3559991210,1cyclictest0-21swapper/111:51:091
355699123,1cyclictest9-21ksoftirqd/009:45:180
3556991210,1cyclictest9-21ksoftirqd/011:35:090
3556991210,1cyclictest9-21ksoftirqd/011:35:080
3556991210,1cyclictest9-21ksoftirqd/011:22:380
355699120,11cyclictest5105-21sshd09:19:480
355699120,11cyclictest10735-21bash10:16:480
21272120,0sleep10-21swapper/111:17:061
356199119,1cyclictest31011-21bash11:30:443
356199119,1cyclictest31011-21bash11:30:443
356199119,1cyclictest18584-21bash11:54:543
356199119,1cyclictest16398-21sshd10:28:243
356099119,1cyclictest623-17sedispatch10:10:522
356099119,1cyclictest33-21ksoftirqd/211:03:552
356099119,1cyclictest0-21swapper/209:44:332
3560991110,0cyclictest7897-21sshd10:16:332
3560991110,0cyclictest0-21swapper/212:06:132
3560991110,0cyclictest0-21swapper/210:21:232
356099110,10cyclictest1-21systemd12:24:522
356099110,10cyclictest0-21swapper/209:14:022
355999119,1cyclictest674-21dbus-daemon11:44:291
3559991110,0cyclictest0-21swapper/112:16:291
355999110,1cyclictest5518-21lspci12:07:391
355999110,0cyclictest0-21swapper/110:22:291
355699119,1cyclictest9-21ksoftirqd/011:32:220
355699119,1cyclictest9-21ksoftirqd/011:32:210
355699111,1cyclictest9-21ksoftirqd/012:09:390
355699111,1cyclictest131rcu_sched09:44:130
355699110,1cyclictest16764-21sshd10:56:080
355699110,1cyclictest131rcu_sched10:27:230
355699110,10cyclictest19911-21sshd12:00:280
355699110,10cyclictest0-21swapper/010:11:080
356199109,0cyclictest0-21swapper/310:30:543
356199109,0cyclictest0-21swapper/310:03:143
356199109,0cyclictest0-21swapper/309:42:443
356199100,0cyclictest0-21swapper/311:25:233
356199100,0cyclictest0-21swapper/309:27:343
356099108,1cyclictest33-21ksoftirqd/212:05:012
356099108,1cyclictest33-21ksoftirqd/211:26:232
355999109,0cyclictest0-21swapper/112:13:291
355999109,0cyclictest0-21swapper/111:56:381
355999109,0cyclictest0-21swapper/110:45:591
355999109,0cyclictest0-21swapper/109:48:391
355999109,0cyclictest0-21swapper/107:50:191
355999108,1cyclictest23352-21kworker/1:110:38:571
355999108,1cyclictest1-21systemd11:23:091
355999108,1cyclictest1073-21nfsd11:28:291
355999106,2cyclictest29979-21gdbus10:26:101
355999100,0cyclictest0-21swapper/112:37:091
355699109,0cyclictest32550irq/27-ahci[00009:26:110
355699109,0cyclictest0-21swapper/011:48:170
355699109,0cyclictest0-21swapper/010:47:580
355699103,1cyclictest9-21ksoftirqd/010:05:150
355699102,1cyclictest9-21ksoftirqd/012:12:100
355699101,1cyclictest642-21systemd-logind11:09:130
355699101,1cyclictest131rcu_sched10:37:220
355699101,1cyclictest131rcu_sched10:02:040
355699100,1cyclictest131rcu_sched11:15:190
355699100,0cyclictest131rcu_sched09:51:160
355699100,0cyclictest0-21swapper/011:41:380
21152100,0sleep30-21swapper/309:48:293
127182100,1sleep312704-21bash10:50:143
35619998,0cyclictest0-21swapper/310:57:143
35619997,1cyclictest41-21ksoftirqd/311:58:153
35619997,1cyclictest21670-21bash12:09:033
35619995,3cyclictest660-21avahi-daemon09:58:423
35619995,3cyclictest660-21avahi-daemon09:58:413
35609998,0cyclictest0-21swapper/209:32:332
35609998,0cyclictest0-21swapper/208:51:032
35609997,1cyclictest33-21ksoftirqd/212:38:012
35609990,8cyclictest12025-21kworker/2:211:55:222
35609990,0cyclictest0-21swapper/208:10:022
35599998,0cyclictest0-21swapper/112:28:091
35599998,0cyclictest0-21swapper/111:32:591
35599998,0cyclictest0-21swapper/111:32:591
35569998,0cyclictest9-21ksoftirqd/009:25:000
35569998,0cyclictest0-21swapper/009:33:580
35569998,0cyclictest0-21swapper/007:46:280
35569997,1cyclictest9-21ksoftirqd/012:15:030
35569997,1cyclictest9-21ksoftirqd/009:56:130
35569997,1cyclictest9-21ksoftirqd/009:56:130
35569995,3cyclictest9-21ksoftirqd/011:10:330
35569992,1cyclictest9-21ksoftirqd/012:36:000
35569992,1cyclictest9-21ksoftirqd/012:30:270
35569991,1cyclictest131rcu_sched12:20:070
35619986,1cyclictest660-21avahi-daemon11:17:553
35619986,1cyclictest660-21avahi-daemon09:13:013
35619985,2cyclictest699-21gdbus10:21:413
35619985,2cyclictest660-21avahi-daemon12:38:073
35619985,2cyclictest660-21avahi-daemon11:10:553
35619985,2cyclictest660-21avahi-daemon10:36:113
35619985,2cyclictest660-21avahi-daemon09:35:383
35619985,2cyclictest660-21avahi-daemon09:33:003
35619985,2cyclictest11763-21sshd09:52:033
35609987,0cyclictest0-21swapper/207:40:032
35609986,1cyclictest33-21ksoftirqd/212:26:302
35609986,1cyclictest33-21ksoftirqd/211:33:522
35609986,1cyclictest33-21ksoftirqd/211:33:522
35609986,1cyclictest2327-21lspci10:27:102
35609985,2cyclictest660-21avahi-daemon10:37:142
35609985,2cyclictest660-21avahi-daemon10:31:432
35609985,2cyclictest660-21avahi-daemon09:55:532
35609985,2cyclictest660-21avahi-daemon09:55:532
35609980,7cyclictest0-21swapper/208:15:332
35609980,7cyclictest0-21swapper/208:15:332
35599987,0cyclictest25-21ksoftirqd/110:15:181
35599986,1cyclictest25-21ksoftirqd/111:49:251
35599986,1cyclictest13583-21lspci09:35:341
35599985,2cyclictest674-21dbus-daemon10:00:041
35599985,2cyclictest660-21avahi-daemon10:10:151
35599985,2cyclictest660-21avahi-daemon10:06:471
35599985,2cyclictest642-21systemd-logind09:41:581
35599984,3cyclictest674-21dbus-daemon11:01:301
35569987,0cyclictest9-21ksoftirqd/012:26:210
35569987,0cyclictest0-21swapper/008:06:480
35569980,2cyclictest9-21ksoftirqd/011:00:270
35619974,2cyclictest649-21polkitd10:10:083
35619974,2cyclictest642-21systemd-logind12:30:273
35609975,1cyclictest33-21ksoftirqd/212:15:122
35609970,6cyclictest0-21swapper/208:24:122
35599976,0cyclictest0-21swapper/108:30:191
35599976,0cyclictest0-21swapper/108:05:191
35599975,1cyclictest660-21avahi-daemon09:30:031
35599975,1cyclictest22370-21lspci09:10:031
35599974,2cyclictest660-21avahi-daemon11:10:031
35599972,2cyclictest699-21gdbus09:28:381
35599971,1cyclictest131rcu_sched09:22:411
35569976,0cyclictest0-21swapper/008:59:480
35569976,0cyclictest0-21swapper/007:10:470
35569975,1cyclictest9-21ksoftirqd/008:30:010
35569970,6cyclictest0-21swapper/008:01:070
35619964,1cyclictest674-21dbus-daemon09:09:483
35619963,2cyclictest1002-21snmpd08:46:433
35619963,2cyclictest1002-21snmpd08:41:293
35619962,2cyclictest4235-21sshd08:29:313
35619960,5cyclictest0-21swapper/308:30:023
35609964,1cyclictest699-21gdbus08:30:012
35609964,1cyclictest660-21avahi-daemon09:09:552
35609964,1cyclictest33-21ksoftirqd/207:49:592
35609963,2cyclictest1002-21snmpd09:00:002
35609963,2cyclictest1002-21snmpd08:07:342
35609963,2cyclictest1002-21snmpd07:51:222
35609960,5cyclictest0-21swapper/207:57:232
35609960,5cyclictest0-21swapper/207:28:532
35599964,1cyclictest660-21avahi-daemon07:39:551
35599964,1cyclictest642-21systemd-logind09:09:391
35599964,1cyclictest19029-21cat07:45:121
35599963,2cyclictest1002-21snmpd07:15:231
35569966,0cyclictest527-40kipmi009:04:480
35569965,0cyclictest0-21swapper/008:11:580
35569965,0cyclictest0-21swapper/007:44:480
35569965,0cyclictest0-21swapper/007:33:580
35569964,1cyclictest9-21ksoftirqd/008:45:010
35569964,1cyclictest649-21polkitd07:39:590
35569961,4cyclictest674-21dbus-daemon08:55:000
35569960,1cyclictest131rcu_sched09:09:530
35569960,0cyclictest0-21swapper/007:17:580
35619953,1cyclictest8821-21cat07:20:143
35619953,1cyclictest858-21cat08:20:143
35619953,1cyclictest699-21gdbus09:01:003
35619953,1cyclictest646-21lsmd08:50:433
35619953,1cyclictest4196-21cat07:10:153
35619953,1cyclictest29221-21cat08:10:133
35619953,1cyclictest15195-21cat08:55:123
35619953,1cyclictest10888-21cat07:25:143
35619953,1cyclictest1002-21snmpd08:38:233
35619953,1cyclictest1002-21snmpd08:15:523
35619953,1cyclictest1002-21snmpd08:15:523
35619953,1cyclictest1002-21snmpd08:01:013
35619953,1cyclictest1002-21snmpd07:50:493
35619953,1cyclictest1002-21snmpd07:40:063
35619953,1cyclictest1002-21snmpd07:36:003
35619953,1cyclictest1002-21snmpd07:16:173
35619952,2cyclictest27987-21sed08:05:183
35619952,2cyclictest1002-21snmpd07:56:493
35619950,2cyclictest18919-21hddtemp_smartct07:45:113
35609953,1cyclictest660-21avahi-daemon09:00:452
35609953,1cyclictest649-21polkitd08:45:002
35609953,1cyclictest33-21ksoftirqd/207:24:592
35609953,1cyclictest14989-21irqstats07:35:152
35609953,1cyclictest1002-21snmpd08:40:412
35609953,1cyclictest1002-21snmpd08:35:142
35609953,1cyclictest1002-21snmpd08:31:562
35609953,1cyclictest1002-21snmpd08:02:192
35609953,1cyclictest1002-21snmpd07:32:002
35609953,1cyclictest1002-21snmpd07:15:022
35609953,1cyclictest1002-21snmpd07:13:412
35599953,1cyclictest8887-21irqstats07:20:141
35599953,1cyclictest15198-21cat08:55:131
35599953,1cyclictest11177-21grep07:25:151
35599953,1cyclictest1082-21lldpd08:35:131
35599953,1cyclictest1002-21snmpd09:03:411
35599953,1cyclictest1002-21snmpd08:50:411
35599953,1cyclictest1002-21snmpd08:42:171
35599953,1cyclictest1002-21snmpd08:25:581
35599953,1cyclictest1002-21snmpd08:22:511
35599953,1cyclictest1002-21snmpd08:00:211
35599953,1cyclictest1002-21snmpd07:58:011
35599953,1cyclictest1002-21snmpd07:10:081
35599952,2cyclictest32331-21chrt08:17:171
35599952,2cyclictest32331-21chrt08:17:171
35599952,2cyclictest1002-21snmpd08:45:071
35599952,2cyclictest1002-21snmpd07:41:361
35599951,1cyclictest12806-21grep07:30:141
35599950,4cyclictest0-21swapper/108:11:091
35569954,0cyclictest0-21swapper/007:25:280
35569953,1cyclictest9-21ksoftirqd/007:55:000
35569953,1cyclictest9088-21cut07:20:150
35569953,1cyclictest12434-21sadc08:50:000
35569953,1cyclictest1088-21ntpd08:35:140
35569953,1cyclictest1002-21snmpd08:32:290
35569953,1cyclictest1002-21snmpd08:17:070
35569953,1cyclictest1002-21snmpd08:17:060
35569952,2cyclictest1002-21snmpd08:21:120
35619942,1cyclictest12615-21expr07:30:123
35569942,1cyclictest22921-21expr07:55:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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