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2026-07-17 - 17:24
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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 all highest latencies:
System rackeslot2.osadl.org (updated Fri Jul 17, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
335716321040,2sleep30-21swapper/311:21:163
33072062780,1sleep03307208-21kthreadcore10:46:180
32717552730,1sleep03271746-21ssh10:21:250
32862002310,1sleep30-21swapper/310:31:183
32668432260,2sleep30-21swapper/310:21:123
3012880992320,2cyclictest3142781-21latency_hist08:55:001
1157598230,8rtkit-daemon1309-21mta-sts-daemon09:26:141
3012880992219,2cyclictest3012877-21cyclictest11:10:011
3012880992216,2cyclictest0-21swapper/112:10:031
3012879992219,2cyclictest3198406-21apt-key09:35:010
3012879992219,2cyclictest0-21swapper/010:06:140
3012881992119,0cyclictest0-21swapper/209:40:012
3012881992118,1cyclictest0-21swapper/211:10:012
3012880992118,2cyclictest3377620-21idleruntime-cro11:35:011
3012880992118,2cyclictest3020084-21systemd07:15:021
3012880992118,2cyclictest1-21systemd09:20:021
3012880992115,4cyclictest1-21systemd11:30:011
3012880992115,2cyclictest69250irq/121-eno111:45:291
3012879992113,7cyclictest0-21swapper/007:40:010
3012881992017,1cyclictest0-21swapper/207:30:002
301288099205,9cyclictest664-21dbus-daemon09:15:011
3012880992017,2cyclictest3213703-21/usr/sbin/munin09:45:031
3012879992017,2cyclictest3318278-21systemd10:55:020
3012879992016,3cyclictest838-21gmain11:10:020
3012879992015,1cyclictest191rcu_preempt10:00:020
301287999201,14cyclictest3074415-21tr07:56:190
3012879992010,6cyclictest0-21swapper/010:05:020
1157598200,4rtkit-daemon1307-21mta-sts-daemon09:09:181
3012881991917,1cyclictest0-21swapper/211:20:022
3012881991917,1cyclictest0-21swapper/209:50:022
3012881991917,1cyclictest0-21swapper/207:55:012
3012881991916,1cyclictest0-21swapper/210:46:242
3012880991916,2cyclictest3318113-21idleruntime-cro10:55:011
3012880991916,2cyclictest3251153-21systemd-run10:10:021
3012880991916,2cyclictest3228585-21gpgv09:55:011
301287999199,5cyclictest0-21swapper/011:31:140
3012879991916,2cyclictest3332996-21unin-run11:05:010
3012879991913,5cyclictest3300383-21kthreadcore10:41:170
301287999190,2cyclictest3407797-21/usr/sbin/munin11:56:240
1157598190,2rtkit-daemon11574-21rtkit-daemon07:18:451
3012881991816,1cyclictest0-21swapper/210:25:012
3012881991816,1cyclictest0-21swapper/210:20:002
3012881991815,1cyclictest0-21swapper/211:36:112
3012880991815,2cyclictest3348046-21gpgconf11:15:011
3012880991815,2cyclictest3348046-21gpgconf11:15:011
3012880991815,2cyclictest3181787-21grep09:21:211
3012880991815,2cyclictest3148832-21latency_hist09:00:001
3012880991811,3cyclictest3386592-21irqcore11:41:161
301287999189,5cyclictest0-21swapper/012:26:220
301287999188,6cyclictest3319653-21idleruntime10:56:150
301287999181,8cyclictest3177952-21irqrtprio09:21:160
3012879991815,2cyclictest664-21dbus-daemon09:16:240
3012879991815,2cyclictest3345018-21kthreadcore11:11:190
3012879991815,2cyclictest3345018-21kthreadcore11:11:190
3012879991815,2cyclictest3019078-21latency_hist07:15:010
3012879991814,1cyclictest191rcu_preempt11:21:370
3012879991812,5cyclictest3386998-21kthreadcore11:41:180
3012879991811,6cyclictest0-21swapper/010:26:280
3012879991810,4cyclictest3199437-21tail09:36:110
3240591170,2phc2sys0-21swapper/311:26:213
3240591170,1phc2sys0-21swapper/311:48:023
31864642170,2sleep20-21swapper/209:26:162
3012881991715,1cyclictest0-21swapper/211:31:252
3012881991715,1cyclictest0-21swapper/207:35:022
3012881991714,1cyclictest0-21swapper/210:40:012
301288099179,3cyclictest0-21swapper/112:12:271
301288099175,7cyclictest3265820-21awk10:20:001
3012880991714,2cyclictest688-21in:imuxsock07:50:021
3012880991714,2cyclictest3416537-21tr12:01:151
3012880991714,2cyclictest3329077-21tr11:01:171
3012880991714,2cyclictest3082142-21basename08:05:011
3012880991714,2cyclictest3058023-21cut07:45:021
3012880991714,2cyclictest3034281-21fschecks_time07:26:131
3012880991711,2cyclictest69250irq/121-eno110:31:111
301287999179,5cyclictest3289650-21cstates10:36:110
301287999177,5cyclictest0-21swapper/011:16:170
301287999177,4cyclictest0-21swapper/011:51:090
3012879991714,2cyclictest3462750-21kthreadcore12:31:160
3012879991714,2cyclictest3228803-21apt-config09:55:010
3012879991714,2cyclictest3185012-21sed09:26:130
3012879991714,2cyclictest3100395-21grep08:20:020
3012879991714,2cyclictest3012877-21cyclictest11:46:130
3012879991713,3cyclictest3384913-21systemctl11:40:010
301287999170,6cyclictest3285524-21grep10:31:180
3240591160,1phc2sys0-21swapper/310:56:493
3012881991614,1cyclictest0-21swapper/211:50:002
3012881991614,1cyclictest0-21swapper/211:45:022
3012881991614,1cyclictest0-21swapper/210:56:212
3012881991614,1cyclictest0-21swapper/210:30:012
3012881991614,1cyclictest0-21swapper/209:35:022
3012881991614,1cyclictest0-21swapper/207:20:022
3012881991613,1cyclictest0-21swapper/211:26:092
3012881991613,1cyclictest0-21swapper/210:35:012
3012881991613,1cyclictest0-21swapper/210:05:022
3012881991613,1cyclictest0-21swapper/209:55:022
3012881991613,1cyclictest0-21swapper/208:00:012
301288099169,3cyclictest3191670-21aten_repower_en09:31:101
3012880991613,2cyclictest3472159-21wc12:36:201
3012880991613,2cyclictest3310831-21sh10:50:011
3012880991613,2cyclictest3279621-21unixbench_singl10:26:281
3012880991612,3cyclictest3442980-21unixbench_multi12:16:231
3012880991611,4cyclictest3131818-21gltestperf08:46:131
301287999169,5cyclictest0-21swapper/010:16:190
301287999169,4cyclictest3143340-21tail08:56:120
301287999169,4cyclictest3082700-21head08:06:140
301287999169,1cyclictest601rcuop/307:25:230
301287999169,1cyclictest501rcuop/212:16:580
301287999169,1cyclictest501rcuop/212:05:040
301287999169,1cyclictest501rcuop/209:10:210
301287999161,5cyclictest3137133-21apt-get08:51:110
3012879991613,2cyclictest684-21systemd-logind10:15:010
3012879991613,2cyclictest684-21systemd-logind10:15:010
3012879991613,2cyclictest3449841-21head12:21:190
3012879991613,2cyclictest3124641-21latency_hist08:40:020
3012879991613,2cyclictest0-21swapper/009:50:010
3012879991613,2cyclictest0-21swapper/007:35:010
3012879991612,3cyclictest3082119-21idleruntime-cro08:05:010
3012879991610,1cyclictest501rcuop/212:01:590
3012879991610,1cyclictest501rcuop/211:30:010
3012879991610,1cyclictest501rcuop/209:40:350
3240591151,2phc2sys0-21swapper/309:41:183
3240591150,6phc2sys0-21swapper/310:54:243
3240591150,4phc2sys0-21swapper/310:13:273
3240591150,4phc2sys0-21swapper/310:13:273
3012881991513,1cyclictest0-21swapper/212:30:012
3012881991513,1cyclictest0-21swapper/211:55:012
3012881991513,1cyclictest0-21swapper/210:10:022
3012881991512,1cyclictest0-21swapper/211:15:012
3012881991512,1cyclictest0-21swapper/211:15:012
3012881991512,1cyclictest0-21swapper/210:41:182
3012881991512,1cyclictest0-21swapper/209:41:282
3012881991512,1cyclictest0-21swapper/209:21:182
3012881991512,1cyclictest0-21swapper/207:11:212
301288099159,2cyclictest1157598rtkit-daemon09:00:111
301288099158,5cyclictest268-21systemd-journal12:31:001
301288099158,3cyclictest3298677-21kthreadcore10:41:161
3012880991512,2cyclictest688-21in:imuxsock10:35:281
3012880991512,2cyclictest688-21in:imuxsock08:24:281
3012880991512,2cyclictest684-21systemd-logind07:31:221
3012880991512,2cyclictest3267307-21hddtemp_smartct10:21:141
3012880991512,2cyclictest3237996-21irqcore10:01:151
3012880991512,2cyclictest3221376-21systemctl09:50:031
3012880991512,2cyclictest3119980-21tr08:36:161
3012880991512,2cyclictest3050903-21phc2sys-jitter07:36:211
3012880991512,2cyclictest1307-21mta-sts-daemon08:31:131
301287999159,1cyclictest601rcuop/307:18:300
301287999159,1cyclictest501rcuop/212:13:050
301287999156,5cyclictest0-21swapper/009:06:100
301287999154,6cyclictest3130664-21latency_hist08:45:010
3012879991512,2cyclictest3467758-21df_inode12:36:110
3012879991512,2cyclictest3101820-21cut08:21:150
3012879991512,2cyclictest3032471-21proc_pri07:21:210
3240591140,2phc2sys0-21swapper/312:37:163
3240591140,1phc2sys0-21swapper/309:21:343
3012881991413,0cyclictest0-21swapper/207:10:012
3012881991412,1cyclictest0-21swapper/212:06:112
3012881991411,1cyclictest0-21swapper/212:32:102
3012881991411,1cyclictest0-21swapper/212:24:502
3012881991411,1cyclictest0-21swapper/212:16:112
3012881991411,1cyclictest0-21swapper/212:01:172
3012881991411,1cyclictest0-21swapper/210:11:252
3012881991411,1cyclictest0-21swapper/210:11:252
3012881991411,1cyclictest0-21swapper/209:11:102
3012881991411,1cyclictest0-21swapper/209:05:002
3012881991411,1cyclictest0-21swapper/208:56:272
3012881991411,1cyclictest0-21swapper/208:35:282
3012881991411,1cyclictest0-21swapper/208:16:182
3012881991411,1cyclictest0-21swapper/208:06:272
3012881991411,1cyclictest0-21swapper/207:40:072
301288199140,4cyclictest0-21swapper/212:40:022
301288099146,5cyclictest714-21gdbus12:30:021
3012880991412,1cyclictest1300-21mta-sts-daemon09:56:131
3012880991412,1cyclictest1300-21mta-sts-daemon08:16:231
3012880991411,2cyclictest3379853-21kthreadcore11:36:141
3012880991411,2cyclictest3350920-21kthreadcore11:16:171
3012880991411,2cyclictest3320208-21kthreadcore10:56:171
3012880991411,2cyclictest3127777-21kthreadcore08:41:181
3012880991411,2cyclictest3068623-21kthreadcore07:51:191
3012880991411,2cyclictest3028314-21gltestperf07:21:151
3012880991410,3cyclictest3411614-21kthreadcore11:56:191
3012880991410,3cyclictest3401627-21irqrtprio11:51:141
3012880991410,3cyclictest3251815-21aten_repower_po10:11:111
3012880991410,3cyclictest3251815-21aten_repower_po10:11:111
3012880991410,3cyclictest3200629-21kthreadcore09:36:171
3012880991410,3cyclictest3012877-21cyclictest11:21:171
301287999144,1cyclictest191rcu_preempt08:31:110
301287999144,1cyclictest191rcu_preempt07:41:100
301287999141,8cyclictest3106743-21/usr/sbin/munin08:26:210
3012879991411,2cyclictest684-21systemd-logind07:10:020
3012879991411,2cyclictest3136758-21systemd08:50:010
3240591135,2phc2sys0-21swapper/312:30:483
3240591131,2phc2sys0-21swapper/308:46:113
3240591130,3phc2sys0-21swapper/310:37:313
3240591130,2phc2sys0-21swapper/309:54:483
3240591130,2phc2sys0-21swapper/307:18:273
3240591130,1phc2sys0-21swapper/312:07:523
3240591130,1phc2sys0-21swapper/310:46:143
3240591130,1phc2sys0-21swapper/308:01:193
3012881991311,1cyclictest0-21swapper/212:11:132
3012881991311,1cyclictest0-21swapper/211:25:032
3012881991311,1cyclictest0-21swapper/209:57:502
3012881991311,1cyclictest0-21swapper/207:46:172
3012881991311,1cyclictest0-21swapper/207:21:142
3012881991310,1cyclictest0-21swapper/211:01:232
3012881991310,1cyclictest0-21swapper/210:51:102
3012881991310,1cyclictest0-21swapper/209:16:192
3012881991310,1cyclictest0-21swapper/209:06:122
3012881991310,1cyclictest0-21swapper/208:46:232
301288099135,3cyclictest0-21swapper/108:05:281
301288099133,5cyclictest3088745-21aten2.4-expect08:11:101
3012880991310,2cyclictest1309-21mta-sts-daemon07:56:181
3012880991310,2cyclictest1306-21mta-sts-daemon12:21:031
301287999139,3cyclictest3059263-21irqcore07:46:160
3012879991310,2cyclictest3152055-21kthreadcore09:01:170
3012879991310,2cyclictest3068181-21kthreadcore07:51:190
3012879991310,2cyclictest1300-21mta-sts-daemon08:11:100
3240591120,2phc2sys0-21swapper/312:29:523
3240591120,2phc2sys0-21swapper/312:17:453
3240591120,1phc2sys0-21swapper/312:24:433
3240591120,1phc2sys0-21swapper/312:04:023
3240591120,1phc2sys0-21swapper/311:57:163
3240591120,1phc2sys0-21swapper/309:33:203
3012881991210,1cyclictest0-21swapper/208:51:212
3012881991210,1cyclictest0-21swapper/208:31:122
3012881991210,1cyclictest0-21swapper/208:01:172
301288199120,5cyclictest0-21swapper/208:26:102
301288099129,2cyclictest3108071-21kthreadcore08:26:161
3240591113,2phc2sys0-21swapper/310:41:423
3240591111,2phc2sys0-21swapper/310:06:113
3240591111,2phc2sys0-21swapper/307:31:103
3240591110,2phc2sys0-21swapper/311:38:133
3240591110,2phc2sys0-21swapper/311:11:113
3240591110,2phc2sys0-21swapper/311:11:113
3240591110,2phc2sys0-21swapper/309:03:133
3240591110,2phc2sys0-21swapper/307:11:103
3240591110,1phc2sys0-21swapper/312:13:363
3240591110,1phc2sys0-21swapper/311:40:493
3240591110,1phc2sys0-21swapper/310:02:303
3240591110,1phc2sys0-21swapper/309:16:563
3240591110,1phc2sys0-21swapper/309:12:193
3240591110,1phc2sys0-21swapper/308:19:063
3240591110,1phc2sys0-21swapper/307:47:523
301288199119,1cyclictest0-21swapper/211:55:122
301288199119,1cyclictest0-21swapper/208:40:392
301288199119,1cyclictest0-21swapper/208:11:192
301288199119,1cyclictest0-21swapper/207:35:072
3240591102,3phc2sys0-21swapper/307:41:143
3240591100,2phc2sys0-21swapper/311:31:273
3240591100,2phc2sys0-21swapper/311:01:383
3240591100,2phc2sys0-21swapper/309:26:593
3240591100,2phc2sys0-21swapper/308:25:033
3240591100,2phc2sys0-21swapper/307:36:103
3240591100,2phc2sys0-21swapper/307:27:363
3240591100,1phc2sys0-21swapper/310:16:173
3240591100,1phc2sys0-21swapper/309:49:573
3240591100,1phc2sys0-21swapper/309:35:413
3240591100,1phc2sys0-21swapper/307:52:093
301288199108,1cyclictest0-21swapper/208:21:152
301288099106,2cyclictest0-21swapper/107:10:011
324059191,2phc2sys0-21swapper/309:10:033
324059191,2phc2sys0-21swapper/308:31:243
324059191,1phc2sys0-21swapper/311:05:463
324059190,2phc2sys0-21swapper/311:54:553
324059190,2phc2sys0-21swapper/309:56:173
324059190,2phc2sys0-21swapper/308:41:223
324059190,2phc2sys0-21swapper/308:40:023
324059190,2phc2sys0-21swapper/308:13:083
324059190,2phc2sys0-21swapper/307:59:093
324059190,2phc2sys0-21swapper/307:06:123
324059190,1phc2sys0-21swapper/311:17:333
324059190,1phc2sys0-21swapper/310:26:433
324059181,3phc2sys0-21swapper/308:56:113
324059181,3phc2sys0-21swapper/308:50:023
324059180,3phc2sys0-21swapper/308:21:093
324059180,2phc2sys0-21swapper/308:05:283
324059180,2phc2sys0-21swapper/307:21:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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