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2026-06-07 - 16:05
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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 rackdslot1.osadl.org (updated Sun Jun 07, 2026 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
561721460,7sleep32293499cyclictest11:10:173
2293399842,79cyclictest0-21swapper/208:25:292
2293399792,2cyclictest0-21swapper/210:20:282
22933997716,59cyclictest0-21swapper/210:05:282
134491680,4ptp4l0-21swapper/209:45:172
134491680,4ptp4l0-21swapper/209:45:172
134491650,22ptp4l0-21swapper/210:35:002
134491610,4ptp4l8198-21basename11:15:173
134491610,4ptp4l0-21swapper/210:18:012
134491610,4ptp4l0-21swapper/008:25:200
103832600,4sleep30-21swapper/311:20:163
178282590,5sleep30-21swapper/310:25:253
134491590,4ptp4l0-21swapper/007:30:200
134491590,3ptp4l7437-21hddtemp_smartct07:45:170
134491580,3ptp4l0-21swapper/310:56:023
134491570,4ptp4l30574-21vmstat12:00:293
134491570,4ptp4l0-21swapper/112:33:491
134491570,4ptp4l0-21swapper/107:19:181
134491570,4ptp4l0-21swapper/107:19:181
134491570,3ptp4l121rcu_preempt07:55:001
134491570,3ptp4l0-21swapper/207:23:352
134491570,3ptp4l0-21swapper/109:45:351
134491570,3ptp4l0-21swapper/109:45:351
134491560,5ptp4l0-21swapper/111:10:011
265742550,5sleep00-21swapper/011:55:150
134491550,4ptp4l0-21swapper/010:44:150
134491550,3ptp4l0-21swapper/110:24:561
134491550,3ptp4l0-21swapper/008:23:060
134491540,4ptp4l0-21swapper/207:46:412
134491540,3ptp4l29041-21ntpq08:30:220
134491540,3ptp4l0-21swapper/010:59:230
134491530,6ptp4l0-21swapper/107:09:401
134491520,7ptp4l0-21swapper/211:16:352
134491520,4ptp4l0-21swapper/307:23:273
134491520,4ptp4l0-21swapper/208:00:272
134491520,4ptp4l0-21swapper/012:24:050
134491520,4ptp4l0-21swapper/011:34:100
134491520,3ptp4l0-21swapper/008:15:300
134491520,3ptp4l0-21swapper/007:50:260
134491520,11ptp4l21539-21load07:05:180
134491520,10ptp4l0-21swapper/007:59:010
134491510,4ptp4l0-21swapper/307:19:553
134491510,4ptp4l0-21swapper/307:19:543
134491510,4ptp4l0-21swapper/209:13:052
134491510,4ptp4l0-21swapper/209:01:212
134491510,4ptp4l0-21swapper/208:40:402
134491510,4ptp4l0-21swapper/012:08:170
134491510,4ptp4l0-21swapper/010:08:400
134491510,4ptp4l0-21swapper/009:10:360
134491510,4ptp4l0-21swapper/008:08:460
134491510,4ptp4l0-21swapper/008:08:460
134491500,4ptp4l0-21swapper/309:29:533
134491500,4ptp4l0-21swapper/210:36:322
134491500,4ptp4l0-21swapper/208:52:342
134491500,4ptp4l0-21swapper/207:27:342
134491500,4ptp4l0-21swapper/012:39:380
134491500,3ptp4l0-21swapper/007:41:150
134491500,2ptp4l0-21swapper/209:39:022
134491490,4ptp4l0-21swapper/210:58:022
134491490,4ptp4l0-21swapper/209:16:592
134491490,4ptp4l0-21swapper/207:33:082
134491490,4ptp4l0-21swapper/012:13:370
134491490,3ptp4l0-21swapper/209:57:002
134491490,3ptp4l0-21swapper/207:57:462
134491480,4ptp4l0-21swapper/308:09:483
134491480,4ptp4l0-21swapper/308:09:483
134491480,4ptp4l0-21swapper/211:34:032
134491480,4ptp4l0-21swapper/011:51:240
134491480,4ptp4l0-21swapper/009:22:070
134491480,3ptp4l0-21swapper/211:09:102
134491480,3ptp4l0-21swapper/011:12:350
134491480,10ptp4l0-21swapper/111:50:141
134491470,4ptp4l0-21swapper/309:10:253
134491470,4ptp4l0-21swapper/010:51:140
134491470,3ptp4l0-21swapper/112:14:191
134491470,3ptp4l0-21swapper/012:28:530
134491470,3ptp4l0-21swapper/008:59:560
2293399462,42cyclictest0-21swapper/211:40:192
134491460,7ptp4l25-21ksoftirqd/110:52:351
134491460,4ptp4l0-21swapper/009:58:180
134491460,2ptp4l121rcu_preempt10:31:311
134491460,12ptp4l0-21swapper/011:10:010
2293399452,41cyclictest0-21swapper/208:59:292
134491450,5ptp4l0-21swapper/109:20:211
134491450,4ptp4l10478-21irqstats10:10:161
134491450,4ptp4l0-21swapper/009:08:110
134491450,3ptp4l0-21swapper/308:26:113
134491450,3ptp4l0-21swapper/112:24:271
134491450,3ptp4l0-21swapper/009:49:240
134491450,3ptp4l0-21swapper/009:49:240
134491450,1ptp4l0-21swapper/210:46:452
134491450,10ptp4l0-21swapper/010:11:540
134491440,9ptp4l0-21swapper/012:16:370
134491440,5ptp4l18983-21apt-get11:40:030
134491440,4ptp4l0-21swapper/008:50:100
134491440,10ptp4l0-21swapper/211:59:452
134491440,10ptp4l0-21swapper/011:24:020
134491430,9ptp4l0-21swapper/208:13:032
134491430,4ptp4l680-21meminfo07:30:181
134491430,4ptp4l3761-21ls07:35:261
134491430,4ptp4l10402-21apt-get12:30:130
134491430,4ptp4l0-21swapper/109:40:251
134491430,4ptp4l0-21swapper/007:39:570
134491430,3ptp4l7165-21apt-get08:55:113
134491430,3ptp4l0-21swapper/109:59:591
134491430,3ptp4l0-21swapper/010:21:140
134491430,22ptp4l25-21ksoftirqd/111:36:271
134491420,9ptp4l0-21swapper/311:08:473
134491420,6ptp4l0-21swapper/009:25:160
134491420,6ptp4l0-21swapper/008:45:140
134491420,5ptp4l19147-21df_inode10:30:120
134491420,5ptp4l0-21swapper/308:30:263
134491420,5ptp4l0-21swapper/212:35:212
134491420,5ptp4l0-21swapper/111:00:261
134491420,5ptp4l0-21swapper/108:05:231
134491420,5ptp4l0-21swapper/108:05:231
134491420,5ptp4l0-21swapper/007:25:140
134491420,4ptp4l9692-21df09:00:140
134491420,4ptp4l5665-21memory07:40:201
134491420,4ptp4l3455-21ls08:45:193
134491420,4ptp4l21764-21apt-get11:45:130
134491420,4ptp4l20989-21apt-get09:25:102
134491420,4ptp4l19575-21irqstats08:10:190
134491420,4ptp4l19302-21iostat_ios08:10:191
134491420,4ptp4l12764-21meminfo07:55:201
134491420,4ptp4l1255-21ntp_states08:40:223
134491420,4ptp4l0-21swapper/307:50:343
134491420,3ptp4l416-21df11:00:132
134491420,3ptp4l30245-21apt-get08:35:122
134491420,3ptp4l2513-21apt-get08:45:132
134491420,3ptp4l0-21swapper/112:17:451
134491420,2ptp4l0-21swapper/309:36:193
134491420,2ptp4l0-21swapper/112:08:301
22933994111,28cyclictest0-21swapper/210:10:182
134491410,8ptp4l0-21swapper/212:29:502
134491410,6ptp4l0-21swapper/009:15:230
134491410,5ptp4l17585-21ps09:15:251
134491410,5ptp4l0-21swapper/310:30:213
134491410,5ptp4l0-21swapper/310:10:253
134491410,5ptp4l0-21swapper/208:19:342
134491410,4ptp4l7003-21apt-get11:12:062
134491410,4ptp4l5039-21apt-get10:00:103
134491410,4ptp4l486-21hddtemp_smartct09:50:151
134491410,4ptp4l28408-21apt-get12:00:030
134491410,4ptp4l24309-21memory08:20:221
134491410,4ptp4l15765-21ntp_states11:30:231
134491410,4ptp4l0-21swapper/309:05:163
134491410,4ptp4l0-21swapper/307:42:163
134491410,4ptp4l0-21swapper/208:30:112
134491410,4ptp4l0-21swapper/208:06:152
134491410,4ptp4l0-21swapper/208:06:152
134491410,4ptp4l0-21swapper/207:13:382
134491410,4ptp4l0-21swapper/109:30:141
134491410,4ptp4l0-21swapper/107:25:121
134491410,4ptp4l0-21swapper/009:40:410
134491410,4ptp4l0-21swapper/009:30:150
134491410,4ptp4l0-21swapper/008:35:280
134491410,4ptp4l0-21swapper/007:10:190
134491410,3ptp4l6214-21python08:50:251
134491410,3ptp4l25830-21iostat_ios07:15:190
134491410,3ptp4l25830-21iostat_ios07:15:190
134491410,3ptp4l15071-21ls08:00:200
134491410,2ptp4l31668-21ls08:35:253
22933994035,3cyclictest33-21ksoftirqd/211:20:132
134691400,9getstats0-21swapper/307:57:473
134491400,5ptp4l7320-21/usr/sbin/munin07:45:141
134491400,5ptp4l0-21swapper/210:00:122
134491400,5ptp4l0-21swapper/109:10:161
134491400,5ptp4l0-21swapper/108:00:201
134491400,4ptp4l8841-21ntpq11:15:240
134491400,4ptp4l28164-21irqrtprio07:20:171
134491400,4ptp4l26075-21/usr/sbin/munin10:45:160
134491400,4ptp4l26006-21df_abs10:45:161
134491400,4ptp4l25-21ksoftirqd/108:30:231
134491400,4ptp4l21530-21/usr/sbin/munin08:15:191
134491400,4ptp4l10625-21/usr/sbin/munin11:20:191
134491400,4ptp4l0-21swapper/312:30:593
134491400,4ptp4l0-21swapper/311:55:153
134491400,4ptp4l0-21swapper/310:50:203
134491400,4ptp4l0-21swapper/307:30:483
134491400,4ptp4l0-21swapper/307:13:453
134491400,4ptp4l0-21swapper/212:05:462
134491400,4ptp4l0-21swapper/209:05:162
134491400,4ptp4l0-21swapper/207:50:182
134491400,4ptp4l0-21swapper/207:16:362
134491400,4ptp4l0-21swapper/207:16:362
134491400,4ptp4l0-21swapper/112:35:261
134491400,4ptp4l0-21swapper/112:28:451
134491400,4ptp4l0-21swapper/111:25:201
134491400,4ptp4l0-21swapper/011:35:250
134491400,4ptp4l0-21swapper/011:25:140
134491400,4ptp4l0-21swapper/011:00:550
134491400,4ptp4l0-21swapper/010:26:580
134491400,4ptp4l0-21swapper/009:37:060
134491400,3ptp4l29200-21diskstats12:00:151
134491400,3ptp4l26777-21ls10:45:223
134491400,3ptp4l24807-21python10:40:261
134491400,3ptp4l21705-21iostat10:35:191
134491400,3ptp4l13353-21ls10:15:250
134491400,3ptp4l1092-21memory08:40:210
134491400,3ptp4l0-21swapper/311:29:473
134491400,3ptp4l0-21swapper/310:42:103
134491400,3ptp4l0-21swapper/208:21:312
134491400,3ptp4l0-21swapper/207:35:342
22934993934,3cyclictest41-21ksoftirqd/307:25:103
22932993910,28cyclictest16287-21kworker/1:011:16:181
134491390,5ptp4l3295-21wc07:35:213
134491390,5ptp4l0-21swapper/010:35:160
134491390,4ptp4l31437-21pluginstate08:35:231
134491390,4ptp4l30351-21apt-get10:55:121
134491390,4ptp4l28361-21diskstats10:50:152
134491390,4ptp4l0-21swapper/312:28:413
134491390,4ptp4l0-21swapper/312:20:193
134491390,4ptp4l0-21swapper/311:43:193
134491390,4ptp4l0-21swapper/311:31:303
134491390,4ptp4l0-21swapper/311:00:233
134491390,4ptp4l0-21swapper/310:35:233
134491390,4ptp4l0-21swapper/310:07:193
134491390,4ptp4l0-21swapper/309:47:123
134491390,4ptp4l0-21swapper/309:47:123
134491390,4ptp4l0-21swapper/309:00:043
134491390,4ptp4l0-21swapper/308:54:103
134491390,4ptp4l0-21swapper/308:22:103
134491390,4ptp4l0-21swapper/307:46:483
134491390,4ptp4l0-21swapper/212:34:042
134491390,4ptp4l0-21swapper/211:51:132
134491390,4ptp4l0-21swapper/211:35:152
134491390,4ptp4l0-21swapper/211:26:532
134491390,4ptp4l0-21swapper/210:25:402
134491390,4ptp4l0-21swapper/207:42:272
134491390,4ptp4l0-21swapper/111:45:471
134491390,4ptp4l0-21swapper/111:40:101
134491390,4ptp4l0-21swapper/108:46:491
134491390,4ptp4l0-21swapper/108:42:551
134491390,4ptp4l0-21swapper/010:00:280
134491390,4ptp4l0-21swapper/007:20:190
134491390,3ptp4l27490-21ntp_states11:55:241
134491390,3ptp4l25939-21fschecks_count09:35:151
134491390,3ptp4l0-21swapper/308:19:063
134491390,3ptp4l0-21swapper/308:11:573
134491390,3ptp4l0-21swapper/212:20:182
134491390,3ptp4l0-21swapper/110:05:181
134491390,3ptp4l0-21swapper/109:25:191
134491390,3ptp4l0-21swapper/107:10:211
134491390,2ptp4l2140-21strings12:10:222
46198380,1rtkit-daemon460-21rtkit-daemon09:31:323
134491380,5ptp4l0-21swapper/309:50:133
134491380,4ptp4l0-21swapper/312:38:333
134491380,4ptp4l0-21swapper/312:19:003
134491380,4ptp4l0-21swapper/312:10:213
134491380,4ptp4l0-21swapper/312:09:593
134491380,4ptp4l0-21swapper/311:39:043
134491380,4ptp4l0-21swapper/310:20:213
134491380,4ptp4l0-21swapper/310:17:053
134491380,4ptp4l0-21swapper/309:57:163
134491380,4ptp4l0-21swapper/309:40:133
134491380,4ptp4l0-21swapper/309:23:583
134491380,4ptp4l0-21swapper/308:01:003
134491380,4ptp4l0-21swapper/212:18:302
134491380,4ptp4l0-21swapper/211:47:112
134491380,4ptp4l0-21swapper/210:40:182
134491380,4ptp4l0-21swapper/209:52:042
134491380,4ptp4l0-21swapper/209:41:422
134491380,4ptp4l0-21swapper/209:30:112
134491380,4ptp4l0-21swapper/111:05:161
134491380,4ptp4l0-21swapper/110:25:591
134491380,4ptp4l0-21swapper/109:07:511
134491380,4ptp4l0-21swapper/009:50:180
134491380,3ptp4l0-21swapper/311:50:493
134491380,3ptp4l0-21swapper/309:15:193
134491380,3ptp4l0-21swapper/108:57:321
134491380,3ptp4l0-21swapper/108:25:191
134491370,4ptp4l0-21swapper/212:00:512
134491370,4ptp4l0-21swapper/110:00:041
134491370,3ptp4l0-21swapper/209:21:182
134491370,3ptp4l0-21swapper/110:15:221
134491370,3ptp4l0-21swapper/109:03:101
134491360,4ptp4l0-21swapper/311:47:203
226392331,26sleep322644-21cron07:10:003
137891197,6phc2sys0-21swapper/207:08:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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