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2026-07-15 - 23:05
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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 Wed Jul 15, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
386508522090,2sleep30-21swapper/312:18:453
358501321260,2sleep30-21swapper/309:11:203
35162382320,2sleep13516241-21aten_repower_fr08:16:161
3434321992421,2cyclictest3552820-21grep08:45:021
3434320992414,6cyclictest3630724-21kthreadcore09:41:230
3434322992322,0cyclictest0-21swapper/209:55:012
3434322992219,1cyclictest0-21swapper/209:40:002
3434320992217,4cyclictest3539977-21latency_hist08:35:010
3434321992118,2cyclictest664-21dbus-daemon12:05:021
3434321992118,2cyclictest3627736-21sh09:40:001
3434321992017,2cyclictest662-21avahi-daemon07:20:011
3434321992017,2cyclictest3769086-21/usr/sbin/munin11:15:011
3434321992017,2cyclictest3739464-21cron10:55:001
3434321992017,2cyclictest0-21swapper/112:15:031
3434321992014,4cyclictest1-21systemd10:45:011
3434320992014,5cyclictest3586695-21kthreadcore09:11:220
3434320992014,1cyclictest35938402cut09:16:220
3434320992013,6cyclictest0-21swapper/012:05:010
3434320992010,5cyclictest0-21swapper/011:05:000
3434322991917,1cyclictest0-21swapper/210:37:262
3434322991916,1cyclictest0-21swapper/208:35:012
343432199199,3cyclictest0-21swapper/111:07:411
3434321991916,2cyclictest664-21dbus-daemon08:55:011
3434321991914,3cyclictest3796311-21kthreadcore11:31:251
343432199190,1cyclictest0-21swapper/110:11:181
343432099199,5cyclictest0-21swapper/010:23:420
3434320991916,2cyclictest662-21avahi-daemon09:00:010
3434320991913,5cyclictest1307-21mta-sts-daemon10:26:040
3434320991913,2cyclictest17750irq/127-ahci[0000:00:17.0]11:15:000
3434320991913,1cyclictest1157598rtkit-daemon08:50:490
343432099191,1cyclictest0-21swapper/009:56:140
3434322991816,1cyclictest0-21swapper/211:15:012
3434322991816,1cyclictest0-21swapper/210:20:022
3434322991816,1cyclictest0-21swapper/209:10:032
3434322991816,1cyclictest0-21swapper/207:15:032
3434322991815,1cyclictest0-21swapper/208:40:012
343432199188,3cyclictest0-21swapper/109:46:411
343432199188,2cyclictest69250irq/121-eno112:16:421
3434321991815,2cyclictest684-21systemd-logind08:05:001
3434321991815,2cyclictest1-21systemd07:15:021
3434321991814,3cyclictest3479628-21cpuspeed07:46:161
3434321991814,3cyclictest3459506-21kthreadcore07:26:231
3434321991814,3cyclictest1306-21mta-sts-daemon07:21:171
3434321991813,4cyclictest1-21systemd09:05:021
343432099189,2cyclictest0-21swapper/011:36:290
343432099184,5cyclictest3574190-21tr09:01:230
3434320991815,2cyclictest759-1atopacctd08:49:430
3434320991815,2cyclictest759-1atopacctd07:13:420
3434320991815,2cyclictest688-21in:imuxsock08:45:010
3434320991815,2cyclictest664-21dbus-daemon11:45:020
3434320991815,2cyclictest3889695-21kthreadcore12:36:230
3434320991815,2cyclictest3819559-21mailstats11:46:280
3434320991811,6cyclictest0-21swapper/010:15:010
3434320991810,4cyclictest3834404-21/usr/sbin/munin11:56:280
3240591181,2phc2sys0-21swapper/309:00:023
3240591180,4phc2sys0-21swapper/309:23:083
38385812170,2sleep30-21swapper/312:01:223
3434322991715,1cyclictest0-21swapper/211:45:022
3434322991715,1cyclictest0-21swapper/211:30:022
3434322991715,1cyclictest0-21swapper/210:21:282
3434322991715,1cyclictest0-21swapper/209:11:142
3434322991715,1cyclictest0-21swapper/208:45:012
3434322991715,1cyclictest0-21swapper/208:21:222
3434322991715,1cyclictest0-21swapper/207:56:542
3434322991715,1cyclictest0-21swapper/207:36:272
3434322991714,1cyclictest0-21swapper/212:26:562
3434321991714,2cyclictest664-21dbus-daemon09:20:031
3434321991714,2cyclictest3874989-21kthreadcore12:26:221
3434321991714,2cyclictest3726111-21grep10:46:181
3434321991714,2cyclictest3710437-21aten_repower_fr10:36:161
3434321991714,2cyclictest3614423-21sh09:31:181
3434321991714,2cyclictest3524997-21kthreadcore08:21:231
3434321991714,2cyclictest11561-21sendmail-mta11:36:181
3434321991714,2cyclictest0-21swapper/112:10:031
3434321991712,3cyclictest3814416-21runrttasks11:46:081
343432199170,9cyclictest3791369-21cat11:30:011
343432099179,7cyclictest3776836-21sshd11:20:140
343432099179,4cyclictest0-21swapper/010:46:220
343432099178,5cyclictest1-21systemd12:10:030
343432099173,5cyclictest171ktimers/007:41:150
3434320991714,2cyclictest3717132-21apt-key10:40:010
3434320991714,2cyclictest3447854-21pmu-power07:16:260
3434320991714,2cyclictest0-21swapper/011:51:160
3434320991713,3cyclictest3759243-21kthreadcore11:06:260
3434320991713,2cyclictest0-21swapper/008:00:000
3434320991712,3cyclictest0-21swapper/008:30:030
3434320991712,1cyclictest69250irq/121-eno110:01:240
3434320991712,1cyclictest191rcu_preempt10:16:090
3434320991711,5cyclictest0-21swapper/010:06:220
3434322991614,1cyclictest0-21swapper/212:30:022
3434322991614,1cyclictest0-21swapper/210:31:222
3434322991614,1cyclictest0-21swapper/210:30:032
3434322991614,1cyclictest0-21swapper/208:10:012
3434322991614,1cyclictest0-21swapper/207:20:012
3434322991613,1cyclictest0-21swapper/211:21:182
3434322991613,1cyclictest0-21swapper/211:00:532
3434322991613,1cyclictest0-21swapper/211:00:012
343432199162,12cyclictest664-21dbus-daemon07:35:021
3434321991613,2cyclictest3822081-21cpuspeed11:51:151
3434321991613,2cyclictest3778044-21if_enp1s0.811:21:201
3434321991613,2cyclictest3754487-21cut11:05:021
3434321991613,2cyclictest3648137-21phc2sys09:51:261
3434321991613,2cyclictest3599720-21if_enp1s0.809:21:211
3434321991613,2cyclictest3565851-21fschecks_time08:56:181
3434321991613,2cyclictest3515879-21systemd-run08:15:011
3434321991613,2cyclictest1-21systemd12:40:011
3434321991613,2cyclictest0-21swapper/109:15:031
3434321991612,3cyclictest3486421-21irqcore07:51:211
3434321991610,4cyclictest664-21dbus-daemon10:30:021
343432099169,6cyclictest0-21swapper/011:26:130
343432099169,6cyclictest0-21swapper/009:31:130
343432099168,7cyclictest0-21swapper/009:36:240
343432099166,5cyclictest759-1atopacctd11:35:020
3434320991614,1cyclictest1034-21runrttasks09:26:590
3434320991613,2cyclictest662-21avahi-daemon12:30:010
3434320991613,2cyclictest3859622-21gltestperf12:16:190
3434320991613,2cyclictest3739577-21systemd10:55:010
3434320991613,2cyclictest3705005-21kthreadcore10:31:200
3434320991613,2cyclictest3637364-21kthreadcore09:46:220
3434320991613,2cyclictest3500056-21kthreadcore08:01:220
3434320991613,2cyclictest3449852-21gltestperf07:21:190
3434320991613,2cyclictest1-21systemd12:25:010
3240591169,2phc2sys0-21swapper/311:26:273
3240591160,1phc2sys0-21swapper/309:39:083
343432299159,3cyclictest3564742-21chrt08:54:322
3434322991513,1cyclictest0-21swapper/211:40:022
3434322991513,1cyclictest0-21swapper/210:41:002
3434322991513,1cyclictest0-21swapper/209:30:112
3434322991513,1cyclictest0-21swapper/209:16:212
3434322991513,1cyclictest0-21swapper/208:26:192
3434322991513,1cyclictest0-21swapper/207:50:022
3434322991513,0cyclictest0-21swapper/212:20:022
3434322991512,1cyclictest0-21swapper/212:06:162
3434322991512,1cyclictest0-21swapper/210:01:242
3434322991512,1cyclictest0-21swapper/209:25:282
3434322991512,1cyclictest0-21swapper/209:01:232
3434322991512,1cyclictest0-21swapper/208:46:422
343432199153,6cyclictest3665653-21aten_repower_vo10:06:171
3434321991513,1cyclictest3882118-21grep12:31:191
3434321991512,2cyclictest684-21systemd-logind12:25:021
3434321991512,2cyclictest3832149-21kthreadcore11:56:231
3434321991512,2cyclictest3771488-21kthreadcore11:16:211
3434321991512,2cyclictest3663211-21mailstats10:01:271
3434321991512,2cyclictest3581153-21kthreadcore09:06:251
3434321991511,3cyclictest3808129-21kthreadcore11:41:221
3434321991511,3cyclictest3535623-21kthreadcore08:31:191
3434321991511,3cyclictest3492890-21kthreadcore07:56:241
3434321991510,4cyclictest11574-21rtkit-daemon08:06:331
3434321991510,3cyclictest3540742-21tail08:36:161
343432099158,2cyclictest1157598rtkit-daemon12:33:030
343432099154,7cyclictest3488415-21cut07:51:230
343432099153,7cyclictest3522253-21aten2.4-expect08:21:160
3434320991512,2cyclictest686-21udisksd10:58:410
3434320991512,2cyclictest3772141-21kthreadcore11:16:210
3434320991512,2cyclictest3599407-21sh09:21:180
3434320991512,2cyclictest3479570-21aten_repower_vo07:46:160
3434320991512,2cyclictest1300-21mta-sts-daemon09:51:210
343432099150,5cyclictest3577772-21aten2.4-expect09:06:190
3240591150,2phc2sys0-21swapper/311:21:153
3240591150,2phc2sys0-21swapper/310:13:453
3240591150,2phc2sys0-21swapper/309:54:013
3240591150,2phc2sys0-21swapper/309:01:133
3240591150,1phc2sys0-21swapper/310:06:293
343432299144,7cyclictest3485453-21chrt07:50:332
3434322991412,1cyclictest0-21swapper/211:51:182
3434322991412,1cyclictest0-21swapper/211:31:302
3434322991412,1cyclictest0-21swapper/211:06:422
3434322991412,1cyclictest0-21swapper/210:06:182
3434322991412,1cyclictest0-21swapper/209:21:272
3434322991412,1cyclictest0-21swapper/207:26:212
3434322991411,1cyclictest0-21swapper/212:35:402
3434322991411,1cyclictest0-21swapper/212:01:212
3434322991411,1cyclictest0-21swapper/211:45:512
3434322991411,1cyclictest0-21swapper/210:51:222
3434322991411,1cyclictest0-21swapper/210:46:042
3434322991411,1cyclictest0-21swapper/209:41:222
3434322991411,1cyclictest0-21swapper/208:10:362
3434322991411,1cyclictest0-21swapper/207:45:012
3434321991411,2cyclictest3741074-21if_err_eno110:56:221
3434321991411,2cyclictest3706876-21kthreadcore10:31:211
3434321991411,2cyclictest3653129-21kthreadcore09:56:221
3434321991411,2cyclictest3629253-21sed09:41:201
3434321991411,2cyclictest3611067-21needreboot09:26:241
3434321991411,2cyclictest3533951-21sh08:30:011
3434321991411,2cyclictest0-21swapper/110:20:011
3434321991410,3cyclictest3689218-21kthreadcore10:21:221
3434321991410,3cyclictest3473620-21cpuspeed_turbos07:41:161
3434321991410,3cyclictest3471053-21kthreadcore07:36:231
343432099149,1cyclictest1157598rtkit-daemon12:11:350
343432099146,4cyclictest3540740-21aten2.4-expect08:36:160
343432099146,4cyclictest3461314-21aten2.4-expect07:31:170
343432099145,7cyclictest3514403-21tr08:11:230
343432099144,2cyclictest3718121-21aten2.4-expect10:41:160
3240591140,2phc2sys0-21swapper/311:16:143
3240591140,2phc2sys0-21swapper/308:43:073
3240591140,1phc2sys0-21swapper/311:45:403
3240591140,1phc2sys0-21swapper/310:00:473
3434322991311,1cyclictest0-21swapper/212:21:232
3434322991311,1cyclictest0-21swapper/212:11:202
3434322991311,1cyclictest0-21swapper/211:16:142
3434322991311,1cyclictest0-21swapper/210:11:222
3434322991311,1cyclictest0-21swapper/209:59:412
3434322991311,1cyclictest0-21swapper/209:46:262
3434322991311,1cyclictest0-21swapper/208:56:172
3434322991311,1cyclictest0-21swapper/208:16:522
3434322991311,1cyclictest0-21swapper/208:01:192
3434322991311,1cyclictest0-21swapper/207:10:022
3434322991310,1cyclictest0-21swapper/211:55:382
3434322991310,1cyclictest0-21swapper/207:31:282
3434322991310,1cyclictest0-21swapper/207:23:472
343432099134,5cyclictest3455321-21aten2.4-expect07:26:150
343432099131,8cyclictest3503866-21aten2.4-expect08:06:170
3434320991310,2cyclictest3518920-21kthreadcore08:16:230
3240591130,4phc2sys0-21swapper/310:58:403
3240591130,1phc2sys0-21swapper/312:31:163
3240591130,1phc2sys0-21swapper/307:21:253
343432199128,3cyclictest1300-21mta-sts-daemon08:46:151
343432099128,2cyclictest0-21swapper/007:10:020
343432099127,1cyclictest69250irq/121-eno107:36:160
3240591122,2phc2sys0-21swapper/309:16:143
3240591120,2phc2sys0-21swapper/309:42:083
3240591120,1phc2sys0-21swapper/312:05:323
3240591120,1phc2sys0-21swapper/310:45:493
343432199119,1cyclictest617-21hwrng07:10:011
3240591112,2phc2sys0-21swapper/311:10:013
3240591112,2phc2sys0-21swapper/308:46:253
3240591111,2phc2sys0-21swapper/308:36:153
3240591111,2phc2sys0-21swapper/307:56:163
3240591110,2phc2sys0-21swapper/311:31:103
3240591110,2phc2sys0-21swapper/307:50:073
3240591110,2phc2sys0-21swapper/307:31:163
3240591110,1phc2sys0-21swapper/311:56:303
3240591110,1phc2sys0-21swapper/311:12:333
3240591110,1phc2sys0-21swapper/309:58:473
3240591110,1phc2sys0-21swapper/309:45:293
3240591110,1phc2sys0-21swapper/308:33:423
3240591110,1phc2sys0-21swapper/308:05:303
3240591110,1phc2sys0-21swapper/308:00:573
37015602107,1sleep30-21swapper/310:28:533
3240591102,1phc2sys0-21swapper/310:37:073
3240591101,2phc2sys0-21swapper/307:20:023
3240591101,2phc2sys0-21swapper/307:11:203
3240591100,3phc2sys0-21swapper/310:21:483
3240591100,2phc2sys0-21swapper/312:11:213
3240591100,2phc2sys0-21swapper/308:11:193
3240591100,1phc2sys0-21swapper/311:39:313
3240591100,1phc2sys0-21swapper/309:33:493
3240591100,1phc2sys0-21swapper/308:52:023
324059191,2phc2sys0-21swapper/312:26:253
324059191,2phc2sys0-21swapper/310:41:363
324059191,2phc2sys0-21swapper/310:30:583
324059191,2phc2sys0-21swapper/308:16:243
324059191,2phc2sys0-21swapper/307:36:173
324059191,1phc2sys0-21swapper/307:46:143
324059190,3phc2sys0-21swapper/307:44:303
324059190,3phc2sys0-21swapper/307:26:223
324059190,2phc2sys0-21swapper/312:21:163
324059190,2phc2sys0-21swapper/311:51:133
324059190,2phc2sys0-21swapper/310:53:423
324059190,2phc2sys0-21swapper/310:16:233
324059190,2phc2sys0-21swapper/308:30:023
324059190,1phc2sys0-21swapper/312:36:233
324059190,1phc2sys0-21swapper/311:40:273
324059190,1phc2sys0-21swapper/311:00:113
324059190,1phc2sys0-21swapper/309:27:083
324059190,1phc2sys0-21swapper/307:09:103
324059184,1phc2sys0-21swapper/309:06:253
324059181,2phc2sys0-21swapper/308:21:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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