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2025-12-02 - 16:09
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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 rackdslot1.osadl.org (updated Tue Dec 02, 2025 12:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2847191670,3ptp4l13926-21/usr/sbin/munin07:15:131
2847191630,4ptp4l0-21swapper/107:25:201
2847191620,5ptp4l0-21swapper/307:05:103
2847191620,4ptp4l0-21swapper/107:20:261
2847191600,4ptp4l0-21swapper/108:05:191
2847191600,3ptp4l0-21swapper/107:58:311
2847191580,4ptp4l0-21swapper/212:20:292
2847191570,3ptp4l0-21swapper/207:27:192
2847191570,18ptp4l0-21swapper/107:08:461
2847191560,5ptp4l0-21swapper/207:06:462
2847191560,3ptp4l0-21swapper/110:20:161
2847191560,3ptp4l0-21swapper/109:12:121
2847191550,4ptp4l0-21swapper/112:08:171
2847191550,4ptp4l0-21swapper/112:08:171
2847191550,3ptp4l0-21swapper/309:49:483
2847191550,3ptp4l0-21swapper/008:49:350
2847191540,3ptp4l0-21swapper/012:30:290
2847191540,3ptp4l0-21swapper/011:14:280
2847191530,4ptp4l0-21swapper/110:59:491
2847191530,4ptp4l0-21swapper/109:03:001
2847191530,4ptp4l0-21swapper/108:41:271
2847191530,4ptp4l0-21swapper/108:12:531
2847191530,3ptp4l0-21swapper/008:55:350
2847191530,3ptp4l0-21swapper/008:18:130
2847191520,4ptp4l0-21swapper/312:15:563
2847191520,4ptp4l0-21swapper/010:46:080
2847191520,4ptp4l0-21swapper/009:37:030
2847191520,3ptp4l0-21swapper/007:20:190
2847191510,4ptp4l0-21swapper/110:19:041
2847191510,4ptp4l0-21swapper/108:49:121
2847191510,4ptp4l0-21swapper/108:27:181
2847191510,4ptp4l0-21swapper/107:12:571
2847191510,11ptp4l0-21swapper/111:34:231
2847191510,11ptp4l0-21swapper/108:01:341
2847191500,4ptp4l0-21swapper/111:38:371
2847191500,4ptp4l0-21swapper/111:14:411
2847191500,4ptp4l0-21swapper/109:26:531
2847191500,4ptp4l0-21swapper/109:23:091
2847191500,3ptp4l0-21swapper/107:46:041
2847191500,3ptp4l0-21swapper/011:28:280
2847191490,4ptp4l0-21swapper/111:58:181
2847191490,4ptp4l0-21swapper/108:20:521
2847191480,9ptp4l0-21swapper/010:36:390
2847191480,4ptp4l0-21swapper/110:30:501
2847191480,3ptp4l0-21swapper/108:36:101
2847191480,2ptp4l0-21swapper/007:35:160
2847191470,4ptp4l0-21swapper/108:59:201
2847191470,3ptp4l0-21swapper/110:08:471
2847191460,4ptp4l0-21swapper/209:02:502
2847191460,4ptp4l0-21swapper/111:15:391
2847191460,4ptp4l0-21swapper/109:54:491
2847191460,3ptp4l0-21swapper/009:59:560
2847191450,9ptp4l101ktimersoftd/008:10:270
2847191450,5ptp4l0-21swapper/312:20:143
2847191450,4ptp4l0-21swapper/009:25:330
2847191450,3ptp4l18514-21ls12:00:201
2847191450,2ptp4l0-21swapper/112:13:211
2847191450,2ptp4l0-21swapper/109:30:351
2847191440,4ptp4l18592-21apt-get07:25:130
2847191440,4ptp4l0-21swapper/109:40:021
2847191440,4ptp4l0-21swapper/109:18:431
2847191440,4ptp4l0-21swapper/109:09:051
2847191440,10ptp4l0-21swapper/211:02:592
2847191440,10ptp4l0-21swapper/208:43:462
2847191430,9ptp4l0-21swapper/208:11:272
2847191430,4ptp4l29666-21memory11:15:210
2847191430,4ptp4l24080-21apt-get11:05:143
2847191430,4ptp4l0-21swapper/107:50:021
2847191430,4ptp4l0-21swapper/007:16:270
2847191430,3ptp4l26336-21iostat07:40:180
2847191430,3ptp4l26336-21iostat07:40:180
2847191430,11ptp4l0-21swapper/107:40:551
2847191430,11ptp4l0-21swapper/107:40:551
1138199430,10cyclictest6129-21ntp_states08:05:272
2849491420,10getstats0-21swapper/107:34:501
2847191420,9ptp4l0-21swapper/009:53:350
2847191420,8ptp4l0-21swapper/309:29:203
2847191420,8ptp4l0-21swapper/209:20:382
2847191420,5ptp4l20831-21ls12:05:240
2847191420,5ptp4l20831-21ls12:05:230
2847191420,5ptp4l0-21swapper/008:20:140
2847191420,5ptp4l0-21swapper/007:08:040
2847191420,4ptp4l2682-21users11:25:271
2847191420,4ptp4l21973-21df11:00:161
2847191420,4ptp4l21701-21hddtemp_smartct08:40:170
2847191420,4ptp4l0-21swapper/112:35:051
2847191420,4ptp4l0-21swapper/010:50:220
2847191420,3ptp4l16938-21diskstats08:30:151
2847191420,3ptp4l12000-21iostat_ios07:10:170
2849491410,10getstats0-21swapper/110:41:521
2847191410,8ptp4l0-21swapper/211:47:522
2847191410,5ptp4l5881-21kernelversion08:05:230
2847191410,5ptp4l0-21swapper/310:57:243
2847191410,5ptp4l0-21swapper/209:30:122
2847191410,5ptp4l0-21swapper/207:35:142
2847191410,5ptp4l0-21swapper/012:23:190
2847191410,5ptp4l0-21swapper/007:45:180
2847191410,4ptp4l9185-21users09:20:290
2847191410,4ptp4l18257-21ntp_states10:50:231
2847191410,4ptp4l14193-21latency_hist08:25:003
2847191410,4ptp4l0-21swapper/307:50:203
2847191410,4ptp4l0-21swapper/307:45:263
2847191410,4ptp4l0-21swapper/207:24:482
2847191410,4ptp4l0-21swapper/111:46:031
2847191410,4ptp4l0-21swapper/108:15:181
2847191410,4ptp4l0-21swapper/012:15:120
2847191410,4ptp4l0-21swapper/012:00:260
2847191410,4ptp4l0-21swapper/011:39:060
2847191410,3ptp4l3355-21apt-get12:39:193
2847191410,3ptp4l32616-21ls11:20:270
2847191410,3ptp4l30033-21memory12:25:212
2847191410,3ptp4l29012-21hddtemp_smartct10:05:180
2847191410,3ptp4l27014-21ntp_states08:50:240
2847191410,3ptp4l24382-21ls07:35:221
2847191410,3ptp4l20815-21ls09:45:291
2847191410,3ptp4l20732-21ls09:45:270
2847191410,3ptp4l18935-21apt-get08:35:130
2847191410,3ptp4l13471-21memory10:40:220
2847191410,3ptp4l0-21swapper/210:20:272
2847191410,3ptp4l0-21swapper/011:31:450
2847191410,3ptp4l0-21swapper/010:22:580
2847191410,3ptp4l0-21swapper/009:44:390
2847191400,8ptp4l0-21swapper/210:02:392
2847191400,5ptp4l0-21swapper/211:30:042
2847191400,4ptp4l31827-21mailstats09:00:253
2847191400,4ptp4l21217-21/usr/sbin/munin07:30:160
2847191400,4ptp4l11297-21ntp_states10:35:252
2847191400,4ptp4l0-21swapper/312:25:493
2847191400,4ptp4l0-21swapper/311:59:163
2847191400,4ptp4l0-21swapper/310:20:253
2847191400,4ptp4l0-21swapper/308:25:293
2847191400,4ptp4l0-21swapper/211:54:012
2847191400,4ptp4l0-21swapper/211:40:162
2847191400,4ptp4l0-21swapper/211:39:042
2847191400,4ptp4l0-21swapper/211:23:182
2847191400,4ptp4l0-21swapper/211:17:412
2847191400,4ptp4l0-21swapper/210:26:082
2847191400,4ptp4l0-21swapper/210:16:562
2847191400,4ptp4l0-21swapper/210:09:002
2847191400,4ptp4l0-21swapper/209:19:302
2847191400,4ptp4l0-21swapper/208:58:542
2847191400,4ptp4l0-21swapper/208:50:022
2847191400,4ptp4l0-21swapper/208:45:462
2847191400,4ptp4l0-21swapper/208:37:362
2847191400,4ptp4l0-21swapper/208:30:422
2847191400,4ptp4l0-21swapper/208:26:432
2847191400,4ptp4l0-21swapper/208:15:172
2847191400,4ptp4l0-21swapper/208:01:562
2847191400,4ptp4l0-21swapper/207:58:142
2847191400,4ptp4l0-21swapper/207:42:292
2847191400,4ptp4l0-21swapper/207:42:292
2847191400,4ptp4l0-21swapper/207:15:502
2847191400,4ptp4l0-21swapper/112:20:041
2847191400,4ptp4l0-21swapper/112:15:301
2847191400,4ptp4l0-21swapper/111:20:161
2847191400,4ptp4l0-21swapper/110:36:001
2847191400,4ptp4l0-21swapper/108:54:201
2847191400,4ptp4l0-21swapper/012:25:230
2847191400,4ptp4l0-21swapper/011:59:230
2847191400,4ptp4l0-21swapper/010:57:030
2847191400,4ptp4l0-21swapper/010:30:210
2847191400,4ptp4l0-21swapper/010:26:180
2847191400,4ptp4l0-21swapper/010:02:250
2847191400,4ptp4l0-21swapper/009:30:220
2847191400,4ptp4l0-21swapper/009:18:320
2847191400,4ptp4l0-21swapper/009:10:010
2847191400,4ptp4l0-21swapper/009:05:460
2847191400,4ptp4l0-21swapper/008:31:230
2847191400,3ptp4l7693-21apt-get11:40:020
2847191400,3ptp4l3645-21meminfo08:00:200
2847191400,3ptp4l24661-21iostat_ios11:05:201
2847191400,3ptp4l22540-21fschecks_time12:10:173
2847191400,3ptp4l22344-21iostat11:00:190
2847191400,3ptp4l22323-21df12:10:170
2847191400,3ptp4l19620-21diskstats09:45:162
2847191400,3ptp4l15257-21hddtemp_smartct10:45:161
2847191400,3ptp4l14885-21iostat08:25:180
2847191390,5ptp4l25-21ksoftirqd/111:53:061
2847191390,4ptp4l24066-21/usr/sbin/munin11:05:170
2847191390,4ptp4l13379-21if_enp4s011:50:190
2847191390,4ptp4l1138299cyclictest11:30:573
2847191390,4ptp4l0-21swapper/312:30:033
2847191390,4ptp4l0-21swapper/312:06:173
2847191390,4ptp4l0-21swapper/312:06:173
2847191390,4ptp4l0-21swapper/310:15:213
2847191390,4ptp4l0-21swapper/309:55:223
2847191390,4ptp4l0-21swapper/309:10:223
2847191390,4ptp4l0-21swapper/309:07:363
2847191390,4ptp4l0-21swapper/308:55:443
2847191390,4ptp4l0-21swapper/308:52:183
2847191390,4ptp4l0-21swapper/308:37:323
2847191390,4ptp4l0-21swapper/307:22:363
2847191390,4ptp4l0-21swapper/212:37:082
2847191390,4ptp4l0-21swapper/212:32:312
2847191390,4ptp4l0-21swapper/212:16:422
2847191390,4ptp4l0-21swapper/212:13:102
2847191390,4ptp4l0-21swapper/212:05:202
2847191390,4ptp4l0-21swapper/212:05:192
2847191390,4ptp4l0-21swapper/212:00:312
2847191390,4ptp4l0-21swapper/211:56:172
2847191390,4ptp4l0-21swapper/211:28:272
2847191390,4ptp4l0-21swapper/211:10:252
2847191390,4ptp4l0-21swapper/211:06:322
2847191390,4ptp4l0-21swapper/210:55:172
2847191390,4ptp4l0-21swapper/210:51:272
2847191390,4ptp4l0-21swapper/210:47:302
2847191390,4ptp4l0-21swapper/210:32:142
2847191390,4ptp4l0-21swapper/210:10:032
2847191390,4ptp4l0-21swapper/209:43:182
2847191390,4ptp4l0-21swapper/209:39:382
2847191390,4ptp4l0-21swapper/209:11:062
2847191390,4ptp4l0-21swapper/208:21:342
2847191390,4ptp4l0-21swapper/207:51:392
2847191390,4ptp4l0-21swapper/207:45:162
2847191390,4ptp4l0-21swapper/207:30:492
2847191390,4ptp4l0-21swapper/112:33:371
2847191390,4ptp4l0-21swapper/111:41:591
2847191390,4ptp4l0-21swapper/110:00:141
2847191390,4ptp4l0-21swapper/109:57:491
2847191390,4ptp4l0-21swapper/109:35:201
2847191390,4ptp4l0-21swapper/010:15:000
2847191390,4ptp4l0-21swapper/010:10:150
2847191390,4ptp4l0-21swapper/009:00:160
2847191390,4ptp4l0-21swapper/007:56:290
2847191390,4ptp4l0-21swapper/007:50:050
2847191390,3ptp4l0-21swapper/311:18:193
2847191390,3ptp4l0-21swapper/209:53:332
2847191390,3ptp4l0-21swapper/207:10:342
2847191390,3ptp4l0-21swapper/012:37:180
11382993927,10cyclictest41-21ksoftirqd/310:25:183
2847191380,5ptp4l207-21systemd-journal09:20:003
2847191380,4ptp4l0-21swapper/311:48:233
2847191380,4ptp4l0-21swapper/311:43:333
2847191380,4ptp4l0-21swapper/311:35:433
2847191380,4ptp4l0-21swapper/310:10:123
2847191380,4ptp4l0-21swapper/309:39:423
2847191380,4ptp4l0-21swapper/309:20:143
2847191380,4ptp4l0-21swapper/308:30:013
2847191380,4ptp4l0-21swapper/308:13:083
2847191380,4ptp4l0-21swapper/308:02:153
2847191380,4ptp4l0-21swapper/307:59:053
2847191380,4ptp4l0-21swapper/307:29:223
2847191380,4ptp4l0-21swapper/307:13:533
2847191380,4ptp4l0-21swapper/209:55:082
2847191380,4ptp4l0-21swapper/209:27:442
2847191380,4ptp4l0-21swapper/112:25:461
2847191380,4ptp4l0-21swapper/110:26:001
2847191380,3ptp4l0-21swapper/311:10:303
2847191380,3ptp4l0-21swapper/308:15:183
2847191380,3ptp4l0-21swapper/307:40:543
2847191380,3ptp4l0-21swapper/307:40:543
2847191380,3ptp4l0-21swapper/210:43:302
2847191380,3ptp4l0-21swapper/011:45:300
2847191370,4ptp4l0-21swapper/311:23:213
2847191370,4ptp4l0-21swapper/311:01:363
2847191370,4ptp4l0-21swapper/310:39:313
2847191370,4ptp4l0-21swapper/310:30:373
2847191370,4ptp4l0-21swapper/310:08:283
2847191370,4ptp4l0-21swapper/308:43:043
2847191370,4ptp4l0-21swapper/209:06:092
2847191370,3ptp4l0-21swapper/311:52:053
2847191370,3ptp4l0-21swapper/310:50:573
2847191370,3ptp4l0-21swapper/307:35:143
2847191370,3ptp4l0-21swapper/110:10:151
41798360,4rtkit-daemon0-21swapper/312:00:333
2847191360,4ptp4l0-21swapper/307:32:243
2847191360,3ptp4l0-21swapper/310:02:423
2847191360,3ptp4l0-21swapper/309:32:463
1138299363,3cyclictest121rcu_preempt10:50:003
11382993624,10cyclictest41-21ksoftirqd/308:45:303
2847191350,4ptp4l0-21swapper/311:27:243
2847191350,3ptp4l0-21swapper/309:44:413
11382993530,3cyclictest41-21ksoftirqd/308:10:003
2847191340,3ptp4l0-21swapper/307:17:323
2847191330,3ptp4l0-21swapper/310:44:243
11382993125,3cyclictest41-21ksoftirqd/309:50:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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