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2025-10-18 - 18:43
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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 Sat Oct 18, 2025 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1395921530,5sleep22219599cyclictest12:35:292
2195321220,4sleep221917-21ls07:10:012
201852650,4sleep30-21swapper/307:05:163
2847191640,5ptp4l0-21swapper/109:15:231
2847191640,17ptp4l14138-21taskset10:19:381
2847191630,4ptp4l9712-21sshd11:17:421
2847191630,3ptp4l4374-21df_inode07:40:171
2847191630,3ptp4l18369-21apt-get08:10:131
2847191630,3ptp4l18369-21apt-get08:10:131
2847191630,3ptp4l15208-21uptime08:00:271
2219699631,4cyclictest5613-21cut08:50:183
2847191620,5ptp4l0-21swapper/112:06:581
2847191620,4ptp4l25032-21hddtemp_smartct07:15:161
2847191620,4ptp4l0-21swapper/112:31:181
2847191610,4ptp4l0-21swapper/312:30:303
2847191600,4ptp4l0-21swapper/112:19:321
2847191600,4ptp4l0-21swapper/111:58:581
2847191600,4ptp4l0-21swapper/108:46:131
2847191600,4ptp4l0-21swapper/108:20:161
2847191590,4ptp4l0-21swapper/110:54:461
2847191590,4ptp4l0-21swapper/110:46:141
2847191590,4ptp4l0-21swapper/109:12:201
2847191590,4ptp4l0-21swapper/109:12:201
2847191590,4ptp4l0-21swapper/107:22:341
2847191590,3ptp4l11853-21/usr/sbin/munin11:20:321
2847191590,3ptp4l0-21swapper/309:35:223
2847191590,3ptp4l0-21swapper/111:08:171
2847191590,3ptp4l0-21swapper/109:40:311
22193995910,26cyclictest1299-21runrttasks09:51:580
2847191580,4ptp4l0-21swapper/112:23:401
2847191580,4ptp4l0-21swapper/111:49:541
2847191580,4ptp4l0-21swapper/110:59:591
2847191580,4ptp4l0-21swapper/110:29:211
2847191580,4ptp4l0-21swapper/110:11:051
2847191580,4ptp4l0-21swapper/107:54:091
2847191580,4ptp4l0-21swapper/107:11:401
2847191580,4ptp4l0-21swapper/011:45:150
2847191580,3ptp4l0-21swapper/112:26:531
2847191580,3ptp4l0-21swapper/112:00:161
2847191570,4ptp4l0-21swapper/110:00:001
2847191570,4ptp4l0-21swapper/108:36:131
2219699572,51cyclictest21756-21irqrtprio09:25:203
2219599570,21cyclictest31121-21cstates10:55:182
2847191560,4ptp4l0-21swapper/112:12:531
2847191560,4ptp4l0-21swapper/108:54:151
2847191560,4ptp4l0-21swapper/108:25:101
2847191560,3ptp4l0-21swapper/307:57:423
2847191560,3ptp4l0-21swapper/111:03:271
2847191560,3ptp4l0-21swapper/109:54:591
2847191560,3ptp4l0-21swapper/011:05:310
2219599569,44cyclictest31540-21awk07:30:012
2219599569,44cyclictest31540-21awk07:30:012
2847191550,4ptp4l0-21swapper/110:21:151
2847191550,4ptp4l0-21swapper/108:18:101
2847191550,3ptp4l0-21swapper/111:30:581
2847191540,4ptp4l0-21swapper/112:36:461
2847191540,3ptp4l23716-21apt-get10:40:161
2847191530,4ptp4l0-21swapper/109:26:401
2847191530,4ptp4l0-21swapper/108:06:401
41798520,16rtkit-daemon0-21swapper/110:36:081
2847191520,5ptp4l121rcu_preempt12:23:333
2847191520,4ptp4l0-21swapper/109:24:151
2847191520,4ptp4l0-21swapper/109:01:211
2847191520,4ptp4l0-21swapper/107:58:291
2847191520,3ptp4l0-21swapper/111:28:151
2219599510,21cyclictest16741-21/usr/sbin/munin10:25:142
2847191500,7ptp4l0-21swapper/110:02:241
2847191500,4ptp4l391rcuc/308:05:273
2847191500,4ptp4l0-21swapper/109:31:301
2847191500,4ptp4l0-21swapper/108:30:111
2847191500,4ptp4l0-21swapper/107:47:491
2847191500,4ptp4l0-21swapper/107:33:121
2847191490,9ptp4l0-21swapper/010:17:070
2847191490,4ptp4l0-21swapper/110:31:521
22196994910,19cyclictest23638-21df_abs09:30:153
2847191480,4ptp4l0-21swapper/111:14:181
2847191480,4ptp4l0-21swapper/110:09:051
2847191470,4ptp4l0-21swapper/111:37:421
2847191470,3ptp4l0-21swapper/107:28:151
2847191470,3ptp4l0-21swapper/107:28:151
2219699470,3cyclictest1299-21runrttasks08:12:203
2219699470,3cyclictest1299-21runrttasks08:12:203
2847191460,7ptp4l0-21swapper/009:01:400
2219599461,29cyclictest5428-21irqrtprio08:50:192
2847191450,4ptp4l0-21swapper/111:40:061
2847191450,2ptp4l121rcu_preempt07:10:280
2847191450,10ptp4l0-21swapper/211:37:232
2847191440,7ptp4l0-21swapper/207:20:222
2847191440,5ptp4l0-21swapper/310:45:133
2847191440,4ptp4l10192-21ls07:50:290
2847191440,4ptp4l0-21swapper/208:05:242
2849491430,10getstats0-21swapper/111:51:021
2847191430,9ptp4l0-21swapper/210:13:132
2847191430,5ptp4l26315-21irqrtprio09:35:190
2847191430,5ptp4l0-21swapper/012:10:300
2847191430,4ptp4l28498-21iostat_ios08:30:232
2847191430,4ptp4l26290-21df10:45:140
2847191430,4ptp4l1778-21gnome-shell11:27:580
2847191430,4ptp4l14447-21apt-get10:20:150
2847191430,4ptp4l1140-21df_inode11:00:180
2847191430,4ptp4l0-21swapper/010:25:360
2219599430,25cyclictest3228-21cpu11:05:152
2847191420,5ptp4l23563-21df09:30:142
2847191420,5ptp4l0-21swapper/312:37:063
2847191420,5ptp4l0-21swapper/310:56:293
2847191420,5ptp4l0-21swapper/010:50:160
2847191420,5ptp4l0-21swapper/009:40:120
2847191420,5ptp4l0-21swapper/007:40:240
2847191420,4ptp4l7439-21df_inode08:55:151
2847191420,4ptp4l30573-21df09:45:140
2847191420,4ptp4l11194-21df07:55:150
2847191420,4ptp4l0-21swapper/209:16:482
2847191420,4ptp4l0-21swapper/208:10:222
2847191420,4ptp4l0-21swapper/208:10:222
2847191420,4ptp4l0-21swapper/109:37:141
2847191420,4ptp4l0-21swapper/011:44:520
2847191420,4ptp4l0-21swapper/010:40:170
2847191420,4ptp4l0-21swapper/010:07:470
2847191420,4ptp4l0-21swapper/008:00:210
2847191420,3ptp4l9638-21meminfo07:50:222
2847191420,3ptp4l2761-21ls07:35:231
2847191420,3ptp4l26078-21apt-get10:45:122
2847191420,3ptp4l25797-21users11:50:310
2847191410,5ptp4l0-21swapper/310:38:403
2847191410,5ptp4l0-21swapper/209:10:212
2847191410,5ptp4l0-21swapper/209:10:212
2847191410,5ptp4l0-21swapper/012:00:160
2847191410,5ptp4l0-21swapper/009:25:150
2847191410,5ptp4l0-21swapper/008:53:590
2847191410,5ptp4l0-21swapper/008:35:140
2847191410,5ptp4l0-21swapper/008:05:230
2847191410,5ptp4l0-21swapper/007:45:140
2847191410,4ptp4l19274-21df10:30:160
2847191410,4ptp4l0-21swapper/312:15:243
2847191410,4ptp4l0-21swapper/312:10:253
2847191410,4ptp4l0-21swapper/312:00:223
2847191410,4ptp4l0-21swapper/311:00:273
2847191410,4ptp4l0-21swapper/307:29:353
2847191410,4ptp4l0-21swapper/307:29:353
2847191410,4ptp4l0-21swapper/212:25:272
2847191410,4ptp4l0-21swapper/212:21:232
2847191410,4ptp4l0-21swapper/212:19:412
2847191410,4ptp4l0-21swapper/212:05:562
2847191410,4ptp4l0-21swapper/211:20:422
2847191410,4ptp4l0-21swapper/211:12:002
2847191410,4ptp4l0-21swapper/210:37:342
2847191410,4ptp4l0-21swapper/210:08:262
2847191410,4ptp4l0-21swapper/209:07:572
2847191410,4ptp4l0-21swapper/208:55:482
2847191410,4ptp4l0-21swapper/208:47:302
2847191410,4ptp4l0-21swapper/208:42:232
2847191410,4ptp4l0-21swapper/208:42:232
2847191410,4ptp4l0-21swapper/208:29:062
2847191410,4ptp4l0-21swapper/208:18:192
2847191410,4ptp4l0-21swapper/207:56:522
2847191410,4ptp4l0-21swapper/207:47:442
2847191410,4ptp4l0-21swapper/207:40:472
2847191410,4ptp4l0-21swapper/207:16:262
2847191410,4ptp4l0-21swapper/108:41:141
2847191410,4ptp4l0-21swapper/108:41:141
2847191410,4ptp4l0-21swapper/012:25:330
2847191410,4ptp4l0-21swapper/012:15:160
2847191410,4ptp4l0-21swapper/011:30:130
2847191410,4ptp4l0-21swapper/011:20:290
2847191410,4ptp4l0-21swapper/011:14:150
2847191410,4ptp4l0-21swapper/010:14:440
2847191410,4ptp4l0-21swapper/009:55:220
2847191410,4ptp4l0-21swapper/009:30:210
2847191410,4ptp4l0-21swapper/008:59:200
2847191410,4ptp4l0-21swapper/008:40:140
2847191410,4ptp4l0-21swapper/008:40:140
2847191410,4ptp4l0-21swapper/007:36:390
2847191410,4ptp4l0-21swapper/007:24:040
2847191410,3ptp4l5173-21df10:00:150
2847191410,3ptp4l21587-21df10:35:170
2847191410,3ptp4l17952-21irqstats11:35:240
2847191410,3ptp4l14657-21ntp_states08:00:223
2847191410,3ptp4l13570-21meminfo12:35:240
2847191410,3ptp4l12345-21iostat09:05:210
2219699412,23cyclictest26928-21apt-get07:20:133
2847191400,5ptp4l0-21swapper/011:55:130
2847191400,4ptp4l0-21swapper/311:42:423
2847191400,4ptp4l0-21swapper/311:29:483
2847191400,4ptp4l0-21swapper/311:10:243
2847191400,4ptp4l0-21swapper/310:26:313
2847191400,4ptp4l0-21swapper/309:45:213
2847191400,4ptp4l0-21swapper/309:20:313
2847191400,4ptp4l0-21swapper/309:12:163
2847191400,4ptp4l0-21swapper/309:12:163
2847191400,4ptp4l0-21swapper/309:02:443
2847191400,4ptp4l0-21swapper/307:15:173
2847191400,4ptp4l0-21swapper/307:10:213
2847191400,4ptp4l0-21swapper/212:30:132
2847191400,4ptp4l0-21swapper/212:00:212
2847191400,4ptp4l0-21swapper/211:55:062
2847191400,4ptp4l0-21swapper/211:49:402
2847191400,4ptp4l0-21swapper/211:44:182
2847191400,4ptp4l0-21swapper/211:29:532
2847191400,4ptp4l0-21swapper/211:16:262
2847191400,4ptp4l0-21swapper/211:00:522
2847191400,4ptp4l0-21swapper/210:31:402
2847191400,4ptp4l0-21swapper/210:01:262
2847191400,4ptp4l0-21swapper/209:55:322
2847191400,4ptp4l0-21swapper/209:51:322
2847191400,4ptp4l0-21swapper/209:45:462
2847191400,4ptp4l0-21swapper/209:42:162
2847191400,4ptp4l0-21swapper/209:35:152
2847191400,4ptp4l0-21swapper/208:01:262
2847191400,4ptp4l0-21swapper/207:35:282
2847191400,4ptp4l0-21swapper/207:31:482
2847191400,4ptp4l0-21swapper/109:06:351
2847191400,4ptp4l0-21swapper/012:20:150
2847191400,4ptp4l0-21swapper/011:15:280
2847191400,4ptp4l0-21swapper/009:20:210
2847191400,4ptp4l0-21swapper/009:17:010
2847191400,4ptp4l0-21swapper/009:10:030
2847191400,4ptp4l0-21swapper/009:10:030
2847191400,4ptp4l0-21swapper/008:48:480
2847191400,4ptp4l0-21swapper/008:30:260
2847191400,4ptp4l0-21swapper/008:25:220
2847191400,4ptp4l0-21swapper/008:21:480
2847191400,4ptp4l0-21swapper/008:13:140
2847191400,4ptp4l0-21swapper/008:13:140
2847191400,4ptp4l0-21swapper/007:30:130
2847191400,4ptp4l0-21swapper/007:25:300
2847191400,4ptp4l0-21swapper/007:25:300
2847191400,4ptp4l0-21swapper/007:15:160
2847191400,3ptp4l9020-21ls12:25:243
2847191400,3ptp4l31877-21meminfo10:55:240
2847191400,3ptp4l30796-21perl09:45:171
2847191400,3ptp4l11128-21meminfo11:20:223
2847191400,3ptp4l10879-21iostat_ios12:30:190
2847191400,3ptp4l0-21swapper/210:15:202
2847191400,3ptp4l0-21swapper/012:05:290
2219699405,32cyclictest25695-21cpuspeed_turbos08:25:143
2219699403,21cyclictest0-21swapper/311:05:303
2219599404,20cyclictest11065-21grep09:00:322
2847191390,4ptp4l0-21swapper/311:35:143
2847191390,4ptp4l0-21swapper/310:51:293
2847191390,4ptp4l0-21swapper/310:20:513
2847191390,4ptp4l0-21swapper/310:11:133
2847191390,4ptp4l0-21swapper/309:53:153
2847191390,4ptp4l0-21swapper/308:56:453
2847191390,4ptp4l0-21swapper/307:53:103
2847191390,4ptp4l0-21swapper/307:38:253
2847191390,4ptp4l0-21swapper/307:34:313
2847191390,4ptp4l0-21swapper/212:10:422
2847191390,4ptp4l0-21swapper/211:30:272
2847191390,4ptp4l0-21swapper/210:42:342
2847191390,4ptp4l0-21swapper/210:23:482
2847191390,4ptp4l0-21swapper/209:22:262
2847191390,4ptp4l0-21swapper/208:20:222
2847191390,4ptp4l0-21swapper/207:10:322
2847191390,4ptp4l0-21swapper/008:15:100
2847191390,3ptp4l392-21rs:main3
2847191390,3ptp4l0-21swapper/312:09:333
2847191390,3ptp4l0-21swapper/310:08:343
2847191390,3ptp4l0-21swapper/308:20:223
2847191390,3ptp4l0-21swapper/210:50:092
2847191390,3ptp4l0-21swapper/209:25:042
2847191380,4ptp4l0-21swapper/311:59:133
2847191380,4ptp4l0-21swapper/311:19:023
2847191380,4ptp4l0-21swapper/310:15:173
2847191380,4ptp4l0-21swapper/310:03:593
2847191380,4ptp4l0-21swapper/309:59:233
2847191380,4ptp4l0-21swapper/308:37:383
2847191380,3ptp4l0-21swapper/311:30:273
2847191380,3ptp4l0-21swapper/310:44:433
2847191380,3ptp4l0-21swapper/309:06:103
2847191380,3ptp4l0-21swapper/308:47:303
2847191380,3ptp4l0-21swapper/208:37:202
2847191370,4ptp4l0-21swapper/311:52:583
2847191370,4ptp4l0-21swapper/311:48:403
2847191370,4ptp4l0-21swapper/309:17:183
2847191370,3ptp4l0-21swapper/308:30:023
2847191370,3ptp4l0-21swapper/307:43:463
2847191360,3ptp4l0-21swapper/211:52:562
2219699332,25cyclictest19067-21apt-get10:30:153
2219699321,6cyclictest1643-21Xorg07:45:263
22196993211,18cyclictest28289-21sed09:40:153
2219699292,2cyclictest0-21swapper/308:40:213
2219699292,2cyclictest0-21swapper/308:40:213
203162195,7sleep00-21swapper/007:05:190
2189321612,2sleep10-21swapper/107:09:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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