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2026-04-12 - 16:40
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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 Apr 12, 2026 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491620,3ptp4l28850-21/usr/sbin/munin11:10:203
134491610,4ptp4l0-21swapper/012:15:030
134491600,4ptp4l0-21swapper/107:55:231
134491590,5ptp4l25161-21ps08:40:240
134491590,19ptp4l0-21swapper/008:55:210
134491580,4ptp4l0-21swapper/211:47:402
134491580,3ptp4l8560-21memory08:05:210
134491580,2ptp4l0-21swapper/009:55:290
134491570,5ptp4l0-21swapper/207:07:192
134491560,3ptp4l0-21swapper/108:50:161
134491560,3ptp4l0-21swapper/108:50:161
134491560,3ptp4l0-21swapper/107:32:021
134491550,4ptp4l0-21swapper/011:35:570
134491550,4ptp4l0-21swapper/009:00:190
134491550,4ptp4l0-21swapper/007:35:360
134491550,3ptp4l0-21swapper/009:30:290
134491540,5ptp4l0-21swapper/109:33:521
134491540,4ptp4l0-21swapper/112:05:501
134491540,4ptp4l0-21swapper/107:11:061
134491540,4ptp4l0-21swapper/011:18:250
134491520,4ptp4l5951-21if_enp4s009:10:151
134491520,3ptp4l0-21swapper/109:17:111
134491520,2ptp4l21479-21apt-get07:25:121
134491510,5ptp4l0-21swapper/307:06:093
134491510,4ptp4l0-21swapper/012:24:180
134491510,4ptp4l0-21swapper/012:01:380
134491510,3ptp4l0-21swapper/107:15:151
134491510,3ptp4l0-21swapper/007:32:530
3352500,1sleep1330-21unixbench_singl11:15:281
134491500,4ptp4l16499-21chrt08:24:090
134491500,4ptp4l0-21swapper/211:30:362
134491500,4ptp4l0-21swapper/112:16:021
134491500,4ptp4l0-21swapper/008:10:360
134491500,3ptp4l20716-21timedrift09:40:260
134491500,3ptp4l0-21swapper/011:24:580
134491500,3ptp4l0-21swapper/008:15:470
134491500,2ptp4l0-21swapper/009:50:210
134491490,4ptp4l0-21swapper/310:07:183
134491490,4ptp4l0-21swapper/109:54:201
134491490,4ptp4l0-21swapper/012:13:460
134491490,4ptp4l0-21swapper/008:48:210
134491490,14ptp4l9-21ksoftirqd/012:34:280
134491480,4ptp4l0-21swapper/209:39:152
134491480,4ptp4l0-21swapper/108:24:001
134491480,4ptp4l0-21swapper/011:55:050
134491480,4ptp4l0-21swapper/010:56:160
134491480,4ptp4l0-21swapper/010:33:260
134491480,3ptp4l1301-21snmpd10:39:332
134491480,3ptp4l0-21swapper/110:23:031
134491480,3ptp4l0-21swapper/107:50:211
134491480,3ptp4l0-21swapper/007:44:470
134491470,4ptp4l0-21swapper/310:28:183
134491470,3ptp4l0-21swapper/110:01:541
134491470,3ptp4l0-21swapper/012:38:120
134491470,3ptp4l0-21swapper/012:09:500
134491470,3ptp4l0-21swapper/011:32:000
134491470,3ptp4l0-21swapper/010:12:320
134491470,12ptp4l0-21swapper/110:35:221
134491470,11ptp4l0-21swapper/311:35:283
134491460,3ptp4l33-21ksoftirqd/210:53:442
134491460,3ptp4l0-21swapper/108:56:301
134491460,3ptp4l0-21swapper/007:18:030
134491460,2ptp4l0-21swapper/009:22:470
134491460,17ptp4l0-21swapper/211:11:352
14330994539,3cyclictest41-21ksoftirqd/308:40:013
134491450,9ptp4l0-21swapper/209:03:222
134491450,4ptp4l26704-21apt-get12:15:132
134491450,4ptp4l0-21swapper/008:35:310
134491450,3ptp4l0-21swapper/010:20:430
134491450,3ptp4l0-21swapper/009:38:100
134491450,3ptp4l0-21swapper/009:10:580
134491450,3ptp4l0-21swapper/007:45:090
134491450,11ptp4l0-21swapper/212:10:462
134491440,5ptp4l0-21swapper/209:10:102
134491440,4ptp4l29026-21apt-get12:20:121
134491440,4ptp4l0-21swapper/311:40:343
134491440,3ptp4l0-21swapper/010:43:410
134491440,3ptp4l0-21swapper/010:43:410
134491440,2ptp4l14326-21cyclictest09:24:121
134491440,11ptp4l0-21swapper/111:20:441
134491440,10ptp4l0-21swapper/212:20:022
134491440,10ptp4l0-21swapper/109:38:581
134491430,9ptp4l0-21swapper/207:59:352
134491430,4ptp4l19184-21apt-get07:20:121
134491430,4ptp4l0-21swapper/111:49:421
134491430,2ptp4l21908-21kworker/2:110:05:522
134491430,10ptp4l0-21swapper/210:04:112
134491430,10ptp4l0-21swapper/209:46:042
134491420,9ptp4l0-21swapper/210:25:092
134491420,9ptp4l0-21swapper/208:36:592
134491420,9ptp4l0-21swapper/207:23:362
134491420,6ptp4l29996-21ls10:00:260
134491420,5ptp4l23467-21apt-get08:40:012
134491420,5ptp4l23408-21users10:55:273
134491420,4ptp4l28841-21diskstats08:50:140
134491420,4ptp4l28841-21diskstats08:50:140
134491420,4ptp4l16823-21apt-get08:25:121
134491420,3ptp4l8770-21irqstats10:25:171
134491420,3ptp4l0-21swapper/011:04:040
134491420,1ptp4l0-21swapper/310:45:293
134491420,10ptp4l0-21swapper/212:03:492
14330994132,5cyclictest41-21ksoftirqd/308:20:143
134691410,11getstats0-21swapper/007:13:080
134491410,9ptp4l0-21swapper/308:44:303
134491410,9ptp4l0-21swapper/210:44:342
134491410,9ptp4l0-21swapper/210:44:342
134491410,8ptp4l0-21swapper/208:56:222
134491410,7ptp4l0-21swapper/212:05:282
134491410,5ptp4l14023-21ntp_states11:45:223
134491410,5ptp4l0-21swapper/112:30:201
134491410,5ptp4l0-21swapper/110:50:071
134491410,5ptp4l0-21swapper/010:45:240
134491410,4ptp4l5394-21apt-get09:10:113
134491410,4ptp4l4689-21ntp_states12:35:241
134491410,4ptp4l28598-21df07:40:131
134491410,4ptp4l20562-21ntp_states10:50:233
134491410,4ptp4l20137-21diskstats12:00:181
134491410,4ptp4l1301-21snmpd08:48:083
134491410,4ptp4l0-21swapper/211:53:282
134491410,4ptp4l0-21swapper/111:35:161
134491410,4ptp4l0-21swapper/111:29:131
134491410,4ptp4l0-21swapper/108:35:221
134491410,4ptp4l0-21swapper/011:45:110
134491410,4ptp4l0-21swapper/009:28:500
134491410,3ptp4l6429-21ntp_states08:00:231
134491410,3ptp4l32260-21ls12:25:191
134491410,3ptp4l32260-21ls12:25:191
134491410,3ptp4l24966-21ls08:40:211
134491410,3ptp4l24055-21apt-get11:00:122
134491410,3ptp4l12368-21apt-get09:25:121
134491410,3ptp4l12200-21apt-get08:15:121
134491410,3ptp4l12175-21ls11:40:271
14330994035,3cyclictest41-21ksoftirqd/309:55:003
14330994035,3cyclictest41-21ksoftirqd/309:20:133
14330994035,3cyclictest41-21ksoftirqd/308:35:013
134691400,9getstats0-21swapper/008:01:590
134491400,5ptp4l0-21swapper/111:05:121
134491400,5ptp4l0-21swapper/110:15:121
134491400,5ptp4l0-21swapper/012:25:120
134491400,5ptp4l0-21swapper/012:25:120
134491400,5ptp4l0-21swapper/011:40:160
134491400,4ptp4l22706-21ntp_states09:45:223
134491400,4ptp4l0-21swapper/312:05:263
134491400,4ptp4l0-21swapper/310:30:163
134491400,4ptp4l0-21swapper/210:48:092
134491400,4ptp4l0-21swapper/011:52:020
134491400,4ptp4l0-21swapper/011:11:090
134491400,4ptp4l0-21swapper/010:38:300
134491400,3ptp4l9596-21users10:25:260
134491400,3ptp4l6203-21hddtemp_smartct11:30:131
134491400,3ptp4l2806-21apt-get10:15:020
134491400,3ptp4l26178-21apt-get09:55:111
134491400,3ptp4l20401-21ntp_states09:40:221
14329993933,4cyclictest33-21ksoftirqd/208:06:102
134491390,9ptp4l0-21swapper/210:11:042
134491390,5ptp4l0-21swapper/212:37:352
134491390,5ptp4l0-21swapper/207:40:042
134491390,5ptp4l0-21swapper/009:07:020
134491390,4ptp4l6278-21sed08:00:212
134491390,4ptp4l25436-21/usr/sbin/munin12:10:201
134491390,4ptp4l19428-21/usr/sbin/munin10:50:200
134491390,4ptp4l0-21swapper/312:02:283
134491390,4ptp4l0-21swapper/309:16:483
134491390,4ptp4l0-21swapper/308:55:183
134491390,4ptp4l0-21swapper/308:29:123
134491390,4ptp4l0-21swapper/308:06:433
134491390,4ptp4l0-21swapper/307:47:593
134491390,4ptp4l0-21swapper/212:26:002
134491390,4ptp4l0-21swapper/212:26:002
134491390,4ptp4l0-21swapper/211:35:302
134491390,4ptp4l0-21swapper/211:28:202
134491390,4ptp4l0-21swapper/210:15:422
134491390,4ptp4l0-21swapper/209:41:212
134491390,4ptp4l0-21swapper/209:26:522
134491390,4ptp4l0-21swapper/209:24:212
134491390,4ptp4l0-21swapper/209:15:592
134491390,4ptp4l0-21swapper/208:50:592
134491390,4ptp4l0-21swapper/208:50:592
134491390,4ptp4l0-21swapper/208:47:442
134491390,4ptp4l0-21swapper/208:25:182
134491390,4ptp4l0-21swapper/208:16:052
134491390,4ptp4l0-21swapper/111:10:451
134491390,4ptp4l0-21swapper/110:45:081
134491390,4ptp4l0-21swapper/110:40:301
134491390,4ptp4l0-21swapper/110:40:301
134491390,4ptp4l0-21swapper/108:10:141
134491390,4ptp4l0-21swapper/107:45:171
134491390,4ptp4l0-21swapper/107:35:251
134491390,4ptp4l0-21swapper/011:05:160
134491390,4ptp4l0-21swapper/009:45:200
134491390,4ptp4l0-21swapper/009:17:220
134491390,4ptp4l0-21swapper/007:55:170
134491390,4ptp4l0-21swapper/007:54:090
134491390,4ptp4l0-21swapper/007:24:490
134491390,3ptp4l5101-21users11:25:260
134491390,3ptp4l22164-21hddtemp_smartct10:55:152
134491390,3ptp4l15504-21df_inode11:50:141
134491390,3ptp4l0-21swapper/211:55:242
134491390,3ptp4l0-21swapper/207:27:472
134491390,3ptp4l0-21swapper/010:05:260
134491380,5ptp4l24545-21cut12:10:133
134491380,4ptp4l7828-21df_abs08:05:141
134491380,4ptp4l17796-21sed11:55:143
134491380,4ptp4l0-21swapper/312:38:073
134491380,4ptp4l0-21swapper/312:30:533
134491380,4ptp4l0-21swapper/312:26:423
134491380,4ptp4l0-21swapper/312:26:423
134491380,4ptp4l0-21swapper/312:17:093
134491380,4ptp4l0-21swapper/311:30:143
134491380,4ptp4l0-21swapper/311:06:053
134491380,4ptp4l0-21swapper/310:43:353
134491380,4ptp4l0-21swapper/310:43:343
134491380,4ptp4l0-21swapper/310:35:163
134491380,4ptp4l0-21swapper/309:03:253
134491380,4ptp4l0-21swapper/308:15:523
134491380,4ptp4l0-21swapper/307:41:093
134491380,4ptp4l0-21swapper/307:38:033
134491380,4ptp4l0-21swapper/307:25:213
134491380,4ptp4l0-21swapper/307:17:213
134491380,4ptp4l0-21swapper/307:10:213
134491380,4ptp4l0-21swapper/212:31:192
134491380,4ptp4l0-21swapper/211:20:572
134491380,4ptp4l0-21swapper/211:06:562
134491380,4ptp4l0-21swapper/210:32:032
134491380,4ptp4l0-21swapper/209:53:032
134491380,4ptp4l0-21swapper/209:08:022
134491380,4ptp4l0-21swapper/208:30:012
134491380,4ptp4l0-21swapper/208:21:472
134491380,4ptp4l0-21swapper/208:14:532
134491380,4ptp4l0-21swapper/207:48:332
134491380,4ptp4l0-21swapper/207:36:382
134491380,4ptp4l0-21swapper/207:31:012
134491380,4ptp4l0-21swapper/111:55:221
134491380,4ptp4l0-21swapper/111:01:131
134491380,4ptp4l0-21swapper/110:55:351
134491380,4ptp4l0-21swapper/110:30:181
134491380,4ptp4l0-21swapper/110:10:121
134491380,4ptp4l0-21swapper/110:05:261
134491380,4ptp4l0-21swapper/109:45:141
134491380,4ptp4l0-21swapper/109:05:201
134491380,4ptp4l0-21swapper/109:03:281
134491380,4ptp4l0-21swapper/108:33:501
134491380,4ptp4l0-21swapper/008:30:250
134491380,4ptp4l0-21swapper/007:25:110
134491380,3ptp4l41-21ksoftirqd/307:55:073
134491380,3ptp4l14096-21ls07:10:010
134491380,3ptp4l0-21swapper/311:52:133
134491380,3ptp4l0-21swapper/311:00:113
134491380,3ptp4l0-21swapper/211:41:152
134491380,3ptp4l0-21swapper/210:22:482
134491380,3ptp4l0-21swapper/108:45:231
134491380,3ptp4l0-21swapper/008:25:280
134491370,4ptp4l0-21swapper/311:15:563
134491370,4ptp4l0-21swapper/310:22:503
134491370,4ptp4l0-21swapper/310:12:203
134491370,4ptp4l0-21swapper/308:00:113
134491370,4ptp4l0-21swapper/211:15:442
134491370,4ptp4l0-21swapper/209:55:432
134491370,4ptp4l0-21swapper/209:33:172
134491370,4ptp4l0-21swapper/207:50:402
134491370,4ptp4l0-21swapper/207:15:022
134491370,4ptp4l0-21swapper/107:09:551
134491370,3ptp4l0-21swapper/312:20:233
134491370,3ptp4l0-21swapper/310:15:163
134491370,3ptp4l0-21swapper/310:02:013
134491370,3ptp4l0-21swapper/309:58:203
134491370,3ptp4l0-21swapper/309:38:063
134491370,3ptp4l0-21swapper/308:50:173
134491370,3ptp4l0-21swapper/308:50:173
134491370,3ptp4l0-21swapper/308:10:103
134491370,3ptp4l0-21swapper/307:31:413
134491370,3ptp4l0-21swapper/207:10:082
134491360,5ptp4l0-21swapper/309:26:243
134491360,4ptp4l0-21swapper/311:29:183
134491360,3ptp4l0-21swapper/307:52:403
134491350,4ptp4l0-21swapper/311:20:463
134491350,4ptp4l0-21swapper/309:40:543
134491350,4ptp4l0-21swapper/309:09:413
134491350,3ptp4l0-21swapper/309:34:463
134491350,3ptp4l0-21swapper/307:24:403
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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