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2026-03-31 - 16:07
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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 376 highest latencies:
System rackdslot1.osadl.org (updated Tue Mar 31, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
176612700,5sleep00-21swapper/011:15:150
134491630,4ptp4l2318-21gnome-shell10:52:581
134491610,5ptp4l0-21swapper/210:10:172
134491610,3ptp4l0-21swapper/110:10:121
134491590,4ptp4l0-21swapper/210:20:062
134491570,4ptp4l15857-21ls12:20:193
134491570,3ptp4l8314-21/usr/sbin/munin12:05:152
134491570,3ptp4l23005-21ls07:55:282
134491570,3ptp4l0-21swapper/210:44:582
134491560,5ptp4l0-21swapper/209:04:402
297842540,4sleep10-21swapper/110:30:231
134491540,3ptp4l0-21swapper/007:10:410
134491530,3ptp4l0-21swapper/211:02:592
134491530,3ptp4l0-21swapper/208:30:382
134491530,3ptp4l0-21swapper/011:40:220
152242520,5sleep30-21swapper/308:50:163
134491520,4ptp4l0-21swapper/210:55:332
134491520,4ptp4l0-21swapper/112:27:271
134491520,4ptp4l0-21swapper/008:20:210
134491520,3ptp4l0-21swapper/310:40:143
134491520,3ptp4l0-21swapper/111:23:011
134491510,4ptp4l0-21swapper/311:34:473
134491510,4ptp4l0-21swapper/309:21:223
134491510,4ptp4l0-21swapper/309:21:223
134491510,4ptp4l0-21swapper/012:36:140
134491510,3ptp4l0-21swapper/210:04:552
134491500,4ptp4l0-21swapper/311:23:173
134491500,4ptp4l0-21swapper/310:12:473
134491500,4ptp4l0-21swapper/212:22:242
134491500,4ptp4l0-21swapper/208:24:162
134491500,4ptp4l0-21swapper/111:59:261
134491500,4ptp4l0-21swapper/111:08:311
134491500,4ptp4l0-21swapper/110:58:411
134491500,3ptp4l0-21swapper/211:09:282
134491500,3ptp4l0-21swapper/210:48:072
134491500,11ptp4l0-21swapper/211:51:382
134491490,5ptp4l0-21swapper/007:09:560
134491490,4ptp4l0-21swapper/207:40:392
134491490,4ptp4l0-21swapper/109:01:031
134491490,4ptp4l0-21swapper/107:38:071
134491490,4ptp4l0-21swapper/107:38:071
134491490,4ptp4l0-21swapper/009:48:250
134491490,4ptp4l0-21swapper/008:37:050
134491490,3ptp4l0-21swapper/209:59:442
134491490,3ptp4l0-21swapper/111:04:181
134691480,4getstats0-21swapper/008:30:290
134491480,9ptp4l0-21swapper/207:05:212
134491480,5ptp4l0-21swapper/107:09:561
134491480,4ptp4l0-21swapper/311:11:563
134491480,4ptp4l0-21swapper/307:26:063
134491480,4ptp4l0-21swapper/207:27:342
134491480,4ptp4l0-21swapper/111:13:131
134491480,4ptp4l0-21swapper/012:00:250
134491480,3ptp4l0-21swapper/211:45:132
134491480,3ptp4l0-21swapper/208:26:512
134491480,3ptp4l0-21swapper/207:18:532
221432470,3sleep2321ktimersoftd/212:35:122
134491470,4ptp4l53499cyclictest07:37:530
134491470,4ptp4l53499cyclictest07:37:530
134491470,4ptp4l0-21swapper/310:56:133
134491470,4ptp4l0-21swapper/310:46:353
134491470,4ptp4l0-21swapper/212:15:192
134491470,4ptp4l0-21swapper/209:53:042
134491470,4ptp4l0-21swapper/208:35:452
134491470,4ptp4l0-21swapper/207:50:212
134491470,4ptp4l0-21swapper/112:18:411
134491470,4ptp4l0-21swapper/112:14:571
134491470,4ptp4l0-21swapper/011:47:510
134491470,3ptp4l0-21swapper/211:40:262
134491470,3ptp4l0-21swapper/207:45:252
134491460,4ptp4l570-21apt-get07:10:103
134491460,4ptp4l53499cyclictest07:58:200
134491460,4ptp4l0-21swapper/111:54:211
134491460,3ptp4l0-21swapper/212:10:252
134491460,3ptp4l0-21swapper/209:13:162
134491460,3ptp4l0-21swapper/108:33:151
134491460,12ptp4l16113-21open_inodes12:20:230
134491460,11ptp4l0-21swapper/308:44:293
134491450,7ptp4l0-21swapper/307:05:143
134491450,5ptp4l27388-21ls10:25:203
134491450,5ptp4l0-21swapper/312:00:283
134491450,4ptp4l0-21swapper/011:01:470
134491450,4ptp4l0-21swapper/008:09:510
134491450,3ptp4l0-21swapper/209:46:252
134491450,11ptp4l0-21swapper/007:25:270
134491450,10ptp4l0-21swapper/010:09:560
134491440,9ptp4l0-21swapper/010:27:340
134491440,9ptp4l0-21swapper/010:10:480
134491440,6ptp4l0-21swapper/309:45:133
134491440,4ptp4l0-21swapper/309:43:283
134491440,4ptp4l0-21swapper/107:23:461
134491440,3ptp4l25095-21ls10:20:203
134491440,3ptp4l0-21swapper/210:50:082
134491440,3ptp4l0-21swapper/208:15:112
134491440,3ptp4l0-21swapper/007:40:460
134491430,5ptp4l0-21swapper/310:05:273
134491430,4ptp4l17700-21hddtemp_smartct12:25:163
134491430,4ptp4l0-21swapper/210:25:402
134491430,3ptp4l1011-21apt-get11:50:113
134491430,3ptp4l0-21swapper/112:09:511
134491430,16ptp4l0-21swapper/010:15:210
134491420,8ptp4l10377-21awk07:30:172
134491420,5ptp4l9-21ksoftirqd/007:30:140
134491420,5ptp4l0-21swapper/311:45:203
134491420,5ptp4l0-21swapper/310:35:223
134491420,5ptp4l0-21swapper/308:00:133
134491420,5ptp4l0-21swapper/211:10:212
134491420,5ptp4l0-21swapper/010:35:210
134491420,5ptp4l0-21swapper/009:40:130
134491420,5ptp4l0-21swapper/007:45:270
134491420,4ptp4l6560-21ntp_states08:30:253
134491420,4ptp4l3537-21iostat_ios07:15:190
134491420,4ptp4l31981-21meminfo09:25:202
134491420,4ptp4l29095-21hddtemp_smartct10:30:160
134491420,4ptp4l28734-21apt-get09:20:131
134491420,4ptp4l28734-21apt-get09:20:131
134491420,4ptp4l26717-21df_inode09:15:140
134491420,4ptp4l24120-21apt-get09:10:113
134491420,4ptp4l15211-21iostat_ios08:50:150
134491420,4ptp4l0-21swapper/012:19:560
134491420,3ptp4l0-21swapper/311:35:213
134491420,3ptp4l0-21swapper/208:58:152
134491420,2ptp4l0-21swapper/208:07:222
53699413,3cyclictest0-21swapper/210:08:572
134491410,5ptp4l0-21swapper/312:05:233
134491410,5ptp4l0-21swapper/310:50:113
134491410,5ptp4l0-21swapper/309:35:143
134491410,5ptp4l0-21swapper/308:25:283
134491410,5ptp4l0-21swapper/307:15:283
134491410,4ptp4l8680-21irqstats10:55:200
134491410,4ptp4l3957-21iostat_ios11:55:170
134491410,4ptp4l3599-21df11:55:132
134491410,4ptp4l25172-21memory11:30:190
134491410,4ptp4l1685-21ntp_states08:20:231
134491410,4ptp4l16538-21users10:00:291
134491410,4ptp4l12351-21apt-get08:45:143
134491410,4ptp4l11138-21ls09:50:203
134491410,4ptp4l0-21swapper/307:40:263
134491410,4ptp4l0-21swapper/307:20:253
134491410,4ptp4l0-21swapper/211:25:482
134491410,4ptp4l0-21swapper/210:33:382
134491410,4ptp4l0-21swapper/112:20:111
134491410,4ptp4l0-21swapper/109:39:551
134491410,4ptp4l0-21swapper/011:29:430
134491410,4ptp4l0-21swapper/010:00:570
134491410,3ptp4l4358-21ntp_states10:45:240
134491410,3ptp4l25334-21ntp_states11:30:211
134491410,3ptp4l13598-21ls07:35:263
134491410,3ptp4l13598-21ls07:35:263
134491410,3ptp4l0-21swapper/308:23:003
134491400,6ptp4l0-21swapper/007:51:310
134491400,5ptp4l3863-21/usr/sbin/munin09:35:192
134491400,5ptp4l22164-21/usr/sbin/munin09:05:182
134491400,5ptp4l10997-21ntp_states07:30:223
134491400,5ptp4l0-21swapper/312:30:103
134491400,5ptp4l0-21swapper/309:25:133
134491400,5ptp4l0-21swapper/309:00:143
134491400,5ptp4l0-21swapper/210:35:252
134491400,5ptp4l0-21swapper/108:35:231
134491400,4ptp4l33-21ksoftirqd/207:38:092
134491400,4ptp4l33-21ksoftirqd/207:38:092
134491400,4ptp4l30236-21sshd08:13:100
134491400,4ptp4l22636-21irqrtprio12:35:173
134491400,4ptp4l21913-21/usr/sbin/munin11:25:193
134491400,4ptp4l21612-21apt-get09:05:133
134491400,4ptp4l19886-21/usr/sbin/munin12:30:142
134491400,4ptp4l0-21swapper/312:15:243
134491400,4ptp4l0-21swapper/311:15:263
134491400,4ptp4l0-21swapper/310:30:183
134491400,4ptp4l0-21swapper/310:00:123
134491400,4ptp4l0-21swapper/309:56:433
134491400,4ptp4l0-21swapper/309:30:173
134491400,4ptp4l0-21swapper/309:15:293
134491400,4ptp4l0-21swapper/308:05:173
134491400,4ptp4l0-21swapper/211:20:332
134491400,4ptp4l0-21swapper/207:20:112
134491400,4ptp4l0-21swapper/110:25:211
134491400,4ptp4l0-21swapper/108:40:231
134491400,4ptp4l0-21swapper/107:48:501
134491400,4ptp4l0-21swapper/012:30:270
134491400,4ptp4l0-21swapper/012:25:130
134491400,4ptp4l0-21swapper/012:13:570
134491400,4ptp4l0-21swapper/012:05:300
134491400,4ptp4l0-21swapper/011:50:390
134491400,4ptp4l0-21swapper/011:09:340
134491400,4ptp4l0-21swapper/010:40:280
134491400,4ptp4l0-21swapper/009:10:130
134491400,4ptp4l0-21swapper/009:05:290
134491400,4ptp4l0-21swapper/009:04:490
134491400,4ptp4l0-21swapper/008:44:100
134491400,4ptp4l0-21swapper/008:15:140
134491400,3ptp4l31218-21iostat_ios08:15:193
134491400,3ptp4l21761-21apt-get10:15:132
134491400,3ptp4l1119-21df09:30:131
134491400,3ptp4l0-21swapper/010:51:560
134491400,3ptp4l0-21swapper/009:59:250
134491400,3ptp4l0-21swapper/009:20:280
134491400,3ptp4l0-21swapper/009:20:280
134491390,6ptp4l0-21swapper/211:36:072
134491390,5ptp4l29703-21swap08:10:261
134491390,5ptp4l0-21swapper/307:48:243
134491390,5ptp4l0-21swapper/111:40:221
134491390,5ptp4l0-21swapper/008:00:250
134491390,4ptp4l0-21swapper/312:10:353
134491390,4ptp4l0-21swapper/311:57:143
134491390,4ptp4l0-21swapper/311:40:243
134491390,4ptp4l0-21swapper/311:05:253
134491390,4ptp4l0-21swapper/310:17:373
134491390,4ptp4l0-21swapper/308:59:503
134491390,4ptp4l0-21swapper/308:35:253
134491390,4ptp4l0-21swapper/308:10:163
134491390,4ptp4l0-21swapper/307:55:223
134491390,4ptp4l0-21swapper/307:50:143
134491390,4ptp4l0-21swapper/212:25:192
134491390,4ptp4l0-21swapper/212:01:272
134491390,4ptp4l0-21swapper/209:20:412
134491390,4ptp4l0-21swapper/209:20:412
134491390,4ptp4l0-21swapper/209:15:042
134491390,4ptp4l0-21swapper/208:50:092
134491390,4ptp4l0-21swapper/208:45:162
134491390,4ptp4l0-21swapper/208:11:102
134491390,4ptp4l0-21swapper/112:35:141
134491390,4ptp4l0-21swapper/111:45:271
134491390,4ptp4l0-21swapper/111:35:491
134491390,4ptp4l0-21swapper/109:47:481
134491390,4ptp4l0-21swapper/109:42:581
134491390,4ptp4l0-21swapper/107:56:461
134491390,4ptp4l0-21swapper/107:41:011
134491390,4ptp4l0-21swapper/107:30:001
134491390,4ptp4l0-21swapper/011:35:170
134491390,4ptp4l0-21swapper/011:20:470
134491390,4ptp4l0-21swapper/011:10:220
134491390,4ptp4l0-21swapper/009:53:070
134491390,4ptp4l0-21swapper/009:35:140
134491390,4ptp4l0-21swapper/009:30:300
134491390,4ptp4l0-21swapper/009:25:270
134491390,4ptp4l0-21swapper/008:57:390
134491390,4ptp4l0-21swapper/008:25:220
134491390,3ptp4l9-21ksoftirqd/010:20:050
134491390,3ptp4l18260-21meminfo11:15:192
134491390,3ptp4l13430-21ntpq08:45:230
134491390,3ptp4l0-21swapper/311:00:143
134491390,3ptp4l0-21swapper/211:33:052
134491390,3ptp4l0-21swapper/209:40:272
134491390,3ptp4l0-21swapper/110:15:271
134491390,3ptp4l0-21swapper/007:21:080
134491380,4ptp4l0-21swapper/209:31:542
134491380,4ptp4l0-21swapper/207:10:062
134491380,4ptp4l0-21swapper/112:30:191
134491380,4ptp4l0-21swapper/112:02:511
134491380,4ptp4l0-21swapper/111:16:261
134491380,4ptp4l0-21swapper/110:35:071
134491380,4ptp4l0-21swapper/110:05:261
134491380,4ptp4l0-21swapper/109:55:091
134491380,4ptp4l0-21swapper/109:50:151
134491380,4ptp4l0-21swapper/109:07:081
134491380,4ptp4l0-21swapper/108:54:021
134491380,4ptp4l0-21swapper/108:27:141
134491380,4ptp4l0-21swapper/108:00:261
134491380,4ptp4l0-21swapper/107:51:181
134491380,3ptp4l30646-21apt-get08:15:131
134491380,3ptp4l0-21swapper/208:40:052
134491380,3ptp4l0-21swapper/111:25:141
134491380,3ptp4l0-21swapper/110:48:271
134491380,3ptp4l0-21swapper/110:20:471
134491380,3ptp4l0-21swapper/109:27:591
134491380,3ptp4l0-21swapper/109:18:371
134491380,3ptp4l0-21swapper/109:10:561
134491380,3ptp4l0-21swapper/108:57:491
134491380,3ptp4l0-21swapper/107:10:391
134491370,4ptp4l0-21swapper/108:46:331
134491370,4ptp4l0-21swapper/107:29:081
134491370,3ptp4l0-21swapper/208:00:492
134491370,3ptp4l0-21swapper/110:41:261
134491370,3ptp4l0-21swapper/108:09:051
134491360,3ptp4l0-21swapper/107:17:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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