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2025-05-13 - 02:47
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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 Mon May 12, 2025 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2689521340,3sleep32099599cyclictest08:30:213
2847191630,3ptp4l24340-21df09:35:160
2847191620,3ptp4l0-21swapper/010:10:280
2847191610,4ptp4l0-21swapper/009:40:160
2847191600,3ptp4l26027-21/usr/sbin/munin08:30:161
2847191590,5ptp4l0-21swapper/310:35:083
2847191590,4ptp4l1306-21/usr/sbin/munin07:35:211
39122580,5sleep22099499cyclictest07:40:212
2847191580,4ptp4l0-21swapper/107:30:301
2847191580,4ptp4l0-21swapper/012:11:310
2847191580,3ptp4l0-21swapper/112:10:141
2847191580,3ptp4l0-21swapper/109:28:541
242752580,4sleep20-21swapper/212:35:202
2847191570,5ptp4l0-21swapper/107:09:441
2847191570,5ptp4l0-21swapper/107:09:441
2847191560,4ptp4l0-21swapper/308:05:413
2847191560,4ptp4l0-21swapper/111:51:001
2847191560,4ptp4l0-21swapper/111:20:201
20995995626,4cyclictest41-21ksoftirqd/312:16:583
20995995625,4cyclictest41-21ksoftirqd/310:34:423
20995995625,4cyclictest41-21ksoftirqd/310:34:423
2847191550,4ptp4l0-21swapper/009:25:120
2847191550,4ptp4l0-21swapper/008:29:000
2847191550,4ptp4l0-21swapper/008:16:100
2847191550,3ptp4l0-21swapper/108:57:351
2847191550,13ptp4l0-21swapper/007:55:170
20995995522,4cyclictest41-21ksoftirqd/309:01:083
2847191540,3ptp4l0-21swapper/011:16:080
20995995422,6cyclictest41-21ksoftirqd/311:55:323
2847191530,5ptp4l33-21ksoftirqd/208:40:272
2847191530,4ptp4l0-21swapper/110:02:501
2847191530,4ptp4l0-21swapper/012:28:340
2847191530,4ptp4l0-21swapper/010:48:220
2847191530,4ptp4l0-21swapper/010:24:220
2847191530,3ptp4l0-21swapper/009:05:150
2847191530,3ptp4l0-21swapper/007:25:160
20995995322,3cyclictest41-21ksoftirqd/311:04:003
20995995319,3cyclictest41-21ksoftirqd/310:07:583
34162520,5sleep125-21ksoftirqd/108:50:181
2847191520,4ptp4l0-21swapper/308:01:163
2847191520,4ptp4l0-21swapper/110:23:011
2847191520,4ptp4l0-21swapper/110:06:351
2847191520,4ptp4l0-21swapper/108:22:291
2847191520,4ptp4l0-21swapper/007:20:130
2847191520,3ptp4l0-21swapper/110:17:211
2847191510,4ptp4l0-21swapper/111:49:331
2847191510,4ptp4l0-21swapper/111:49:331
2847191510,4ptp4l0-21swapper/108:18:381
2847191510,4ptp4l0-21swapper/009:34:010
2847191510,4ptp4l0-21swapper/008:03:110
2847191510,3ptp4l0-21swapper/010:40:580
2847191510,3ptp4l0-21swapper/009:20:160
2847191510,3ptp4l0-21swapper/007:33:380
20995995122,4cyclictest41-21ksoftirqd/312:33:273
20995995122,3cyclictest41-21ksoftirqd/311:41:543
20995995120,7cyclictest41-21ksoftirqd/309:06:503
20995995120,3cyclictest41-21ksoftirqd/311:00:013
20995995118,4cyclictest41-21ksoftirqd/309:48:353
2847191500,4ptp4l0-21swapper/111:43:321
2847191500,4ptp4l0-21swapper/011:05:330
2847191500,4ptp4l0-21swapper/008:21:260
2847191500,3ptp4l0-21swapper/007:18:530
20995995023,3cyclictest41-21ksoftirqd/311:29:323
2847191490,5ptp4l0-21swapper/307:05:523
2847191490,5ptp4l0-21swapper/307:05:523
2847191490,4ptp4l0-21swapper/111:14:561
2847191490,3ptp4l0-21swapper/012:06:220
2847191490,3ptp4l0-21swapper/011:53:380
2847191490,2ptp4l0-21swapper/210:36:242
2847191490,2ptp4l0-21swapper/007:37:580
20995994920,4cyclictest41-21ksoftirqd/310:19:283
20995994919,3cyclictest41-21ksoftirqd/308:40:403
2847191480,3ptp4l0-21swapper/012:31:550
2847191480,3ptp4l0-21swapper/012:18:120
2847191480,10ptp4l19767-21ntpq07:05:232
2847191480,10ptp4l19767-21ntpq07:05:232
20995994817,3cyclictest41-21ksoftirqd/309:25:013
2847191470,4ptp4l0-21swapper/010:30:550
2847191470,4ptp4l0-21swapper/010:30:550
20995994718,6cyclictest41-21ksoftirqd/311:16:383
20995994715,3cyclictest41-21ksoftirqd/310:53:413
2847191460,9ptp4l0-21swapper/110:58:561
2847191460,9ptp4l0-21swapper/009:56:380
2847191460,8ptp4l29914-21ls08:35:282
2847191460,8ptp4l29914-21ls08:35:272
2847191460,3ptp4l0-21swapper/111:30:291
2847191460,3ptp4l0-21swapper/010:09:440
2847191460,3ptp4l0-21swapper/009:11:240
2847191460,3ptp4l0-21swapper/008:12:230
2847191460,11ptp4l0-21swapper/007:51:170
2099599468,7cyclictest41-21ksoftirqd/311:06:303
20995994617,6cyclictest41-21ksoftirqd/307:44:403
2099299460,3cyclictest16507-21basename11:00:000
2847191450,4ptp4l0-21swapper/211:33:162
2847191450,4ptp4l0-21swapper/008:53:530
2099599459,8cyclictest41-21ksoftirqd/307:28:503
20995994519,4cyclictest41-21ksoftirqd/308:25:293
20995994519,3cyclictest41-21ksoftirqd/307:35:313
20995994517,4cyclictest41-21ksoftirqd/307:10:293
20995994515,6cyclictest41-21ksoftirqd/312:35:243
2099499452,41cyclictest0-21swapper/209:55:292
2847191440,4ptp4l0-21swapper/011:27:260
2847191440,4ptp4l0-21swapper/008:45:200
2847191440,14ptp4l9-21ksoftirqd/008:42:430
20995994418,3cyclictest41-21ksoftirqd/312:22:363
20995994416,6cyclictest41-21ksoftirqd/312:05:003
20995994415,4cyclictest41-21ksoftirqd/311:45:303
20995994415,4cyclictest41-21ksoftirqd/311:45:303
20995994413,3cyclictest41-21ksoftirqd/307:15:103
20995994412,8cyclictest41-21ksoftirqd/312:10:233
2847191430,6ptp4l0-21swapper/007:05:210
2847191430,6ptp4l0-21swapper/007:05:210
2847191430,4ptp4l3530-21iostat_ios07:40:201
2847191430,4ptp4l21399-21diskstats12:30:141
2847191430,4ptp4l14956-21hddtemp_smartct08:05:202
2847191430,4ptp4l13015-21irqstats08:00:181
2847191430,4ptp4l0-21swapper/307:46:193
2847191430,4ptp4l0-21swapper/011:00:150
2847191430,3ptp4l0-21swapper/212:13:512
2847191430,3ptp4l0-21swapper/209:49:502
2099599438,7cyclictest41-21ksoftirqd/310:22:043
20995994316,7cyclictest41-21ksoftirqd/312:25:143
20995994315,7cyclictest41-21ksoftirqd/307:33:393
20995994315,3cyclictest41-21ksoftirqd/308:35:163
20995994315,3cyclictest41-21ksoftirqd/308:35:153
20995994313,3cyclictest41-21ksoftirqd/308:46:283
2847191420,5ptp4l0-21swapper/111:55:271
2847191420,5ptp4l0-21swapper/108:35:261
2847191420,5ptp4l0-21swapper/108:35:251
2847191420,4ptp4l31261-21apt-get09:50:122
2847191420,4ptp4l29277-21df_inode09:45:151
2847191420,4ptp4l0-21swapper/012:00:040
2847191420,4ptp4l0-21swapper/009:54:280
2847191420,10ptp4l0-21swapper/010:27:050
2099599428,7cyclictest41-21ksoftirqd/311:20:193
2099599424,8cyclictest41-21ksoftirqd/311:38:583
20995994210,7cyclictest41-21ksoftirqd/308:00:003
2847191410,5ptp4l19675-21cut09:25:143
2847191410,5ptp4l0-21swapper/309:53:583
2847191410,5ptp4l0-21swapper/112:25:191
2847191410,4ptp4l855-21diskstats08:45:161
2847191410,4ptp4l5114-21hddtemp_smartct11:55:190
2847191410,4ptp4l28027-21ls09:40:291
2847191410,4ptp4l0-21swapper/210:55:002
2847191410,4ptp4l0-21swapper/207:25:572
2847191410,4ptp4l0-21swapper/108:26:231
2847191410,4ptp4l0-21swapper/011:31:520
2847191410,4ptp4l0-21swapper/010:03:100
2847191410,3ptp4l9-21ksoftirqd/012:35:190
2847191410,3ptp4l3933-21ls08:50:212
2847191410,3ptp4l0-21swapper/008:55:160
2099599412,2cyclictest121rcu_preempt11:50:143
2099599412,2cyclictest121rcu_preempt10:00:393
20995994115,7cyclictest41-21ksoftirqd/309:30:293
2847191400,5ptp4l0-21swapper/112:20:191
2847191400,5ptp4l0-21swapper/112:05:161
2847191400,5ptp4l0-21swapper/010:35:150
2847191400,4ptp4l30335-21/usr/sbin/munin11:40:150
2847191400,4ptp4l0-21swapper/310:27:583
2847191400,4ptp4l0-21swapper/309:35:183
2847191400,4ptp4l0-21swapper/212:18:102
2847191400,4ptp4l0-21swapper/210:07:032
2847191400,4ptp4l0-21swapper/209:38:252
2847191400,4ptp4l0-21swapper/208:19:062
2847191400,4ptp4l0-21swapper/207:12:562
2847191400,4ptp4l0-21swapper/111:35:141
2847191400,4ptp4l0-21swapper/111:15:591
2847191400,4ptp4l0-21swapper/111:05:331
2847191400,4ptp4l0-21swapper/109:56:081
2847191400,4ptp4l0-21swapper/109:31:221
2847191400,4ptp4l0-21swapper/109:15:201
2847191400,4ptp4l0-21swapper/108:11:121
2847191400,4ptp4l0-21swapper/108:05:431
2847191400,4ptp4l0-21swapper/107:54:541
2847191400,4ptp4l0-21swapper/107:15:101
2847191400,4ptp4l0-21swapper/107:10:311
2847191400,4ptp4l0-21swapper/012:22:020
2847191400,4ptp4l0-21swapper/011:11:450
2847191400,4ptp4l0-21swapper/010:15:110
2847191400,4ptp4l0-21swapper/009:17:480
2847191400,4ptp4l0-21swapper/008:34:090
2847191400,3ptp4l965-21meminfo11:45:240
2847191400,3ptp4l965-21meminfo11:45:230
2847191400,3ptp4l3908-21meminfo07:40:200
2847191400,3ptp4l28120-21diskstats11:35:150
2847191400,3ptp4l21464-21hddtemp_smartct07:10:170
2847191400,3ptp4l12686-21apt-get10:45:011
2847191400,3ptp4l0-21swapper/309:17:213
2847191400,2ptp4l11335-21ls09:05:301
20995994014,8cyclictest41-21ksoftirqd/309:10:163
20994994014,3cyclictest26432-21/usr/sbin/munin09:40:182
2847191390,5ptp4l0-21swapper/209:15:002
2847191390,5ptp4l0-21swapper/208:00:152
2847191390,5ptp4l0-21swapper/109:00:261
2847191390,4ptp4l28333-21/usr/sbin/munin08:35:120
2847191390,4ptp4l28333-21/usr/sbin/munin08:35:110
2847191390,4ptp4l0-21swapper/310:45:033
2847191390,4ptp4l0-21swapper/308:10:263
2847191390,4ptp4l0-21swapper/211:48:552
2847191390,4ptp4l0-21swapper/211:48:542
2847191390,4ptp4l0-21swapper/211:25:562
2847191390,4ptp4l0-21swapper/209:21:142
2847191390,4ptp4l0-21swapper/209:09:042
2847191390,4ptp4l0-21swapper/208:28:062
2847191390,4ptp4l0-21swapper/207:37:452
2847191390,4ptp4l0-21swapper/112:35:151
2847191390,4ptp4l0-21swapper/112:18:101
2847191390,4ptp4l0-21swapper/111:29:361
2847191390,4ptp4l0-21swapper/110:41:311
2847191390,4ptp4l0-21swapper/110:35:211
2847191390,4ptp4l0-21swapper/110:27:361
2847191390,4ptp4l0-21swapper/110:13:371
2847191390,4ptp4l0-21swapper/109:52:291
2847191390,4ptp4l0-21swapper/109:11:321
2847191390,4ptp4l0-21swapper/107:58:111
2847191390,4ptp4l0-21swapper/107:45:011
2847191390,4ptp4l0-21swapper/107:25:181
2847191390,4ptp4l0-21swapper/107:20:271
2847191390,4ptp4l0-21swapper/009:46:500
2847191390,4ptp4l0-21swapper/009:00:010
2847191390,4ptp4l0-21swapper/008:05:280
2847191390,4ptp4l0-21swapper/007:47:140
2847191390,3ptp4l7079-21ls12:00:151
2847191390,3ptp4l14417-21apt-get10:55:082
2847191390,3ptp4l0-21swapper/211:16:172
2847191390,3ptp4l0-21swapper/109:35:231
2847191390,3ptp4l0-21swapper/010:53:180
20995993911,7cyclictest41-21ksoftirqd/309:40:163
20994993910,28cyclictest0-21swapper/207:45:302
2847191380,4ptp4l25494-21/usr/sbin/munin11:30:203
2847191380,4ptp4l0-21swapper/311:11:213
2847191380,4ptp4l0-21swapper/307:50:153
2847191380,4ptp4l0-21swapper/212:29:402
2847191380,4ptp4l0-21swapper/212:05:212
2847191380,4ptp4l0-21swapper/211:56:462
2847191380,4ptp4l0-21swapper/211:36:432
2847191380,4ptp4l0-21swapper/211:10:022
2847191380,4ptp4l0-21swapper/211:05:102
2847191380,4ptp4l0-21swapper/211:02:282
2847191380,4ptp4l0-21swapper/210:17:232
2847191380,4ptp4l0-21swapper/210:11:132
2847191380,4ptp4l0-21swapper/209:30:232
2847191380,4ptp4l0-21swapper/209:15:272
2847191380,4ptp4l0-21swapper/208:22:082
2847191380,4ptp4l0-21swapper/207:59:452
2847191380,4ptp4l0-21swapper/207:30:392
2847191380,4ptp4l0-21swapper/111:02:041
2847191380,4ptp4l0-21swapper/110:34:201
2847191380,4ptp4l0-21swapper/110:34:201
2847191380,4ptp4l0-21swapper/011:20:220
2847191380,3ptp4l0-21swapper/309:55:203
2847191380,3ptp4l0-21swapper/211:40:242
2847191380,3ptp4l0-21swapper/208:55:482
2847191380,3ptp4l0-21swapper/208:46:452
2847191380,3ptp4l0-21swapper/207:22:462
2847191380,3ptp4l0-21swapper/110:51:331
2847191380,3ptp4l0-21swapper/109:24:401
2847191380,3ptp4l0-21swapper/108:40:181
2099599387,8cyclictest41-21ksoftirqd/308:50:193
2099599387,7cyclictest41-21ksoftirqd/308:20:183
20995993813,3cyclictest41-21ksoftirqd/308:55:253
2847191370,4ptp4l0-21swapper/212:30:172
2847191370,4ptp4l0-21swapper/211:52:452
2847191370,4ptp4l0-21swapper/210:41:422
2847191370,4ptp4l0-21swapper/210:28:292
2847191370,4ptp4l0-21swapper/210:00:092
2847191370,4ptp4l0-21swapper/209:25:352
2847191370,4ptp4l0-21swapper/207:53:152
2847191370,3ptp4l0-21swapper/312:07:043
2847191370,3ptp4l0-21swapper/210:45:072
2847191370,3ptp4l0-21swapper/210:30:292
2847191370,3ptp4l0-21swapper/210:30:282
2847191370,3ptp4l0-21swapper/210:22:422
2847191370,3ptp4l0-21swapper/208:31:272
2847191370,3ptp4l0-21swapper/207:15:522
2099599373,3cyclictest121rcu_preempt08:20:003
20994993714,3cyclictest23117-21cat11:25:002
2847191360,4ptp4l17777-21mailstats12:20:252
2847191360,4ptp4l0-21swapper/310:13:123
2847191360,3ptp4l0-21swapper/310:40:313
2847191360,3ptp4l0-21swapper/307:20:063
2847191360,3ptp4l0-21swapper/208:12:302
2847191310,4ptp4l0-21swapper/212:02:052
2099499249,14cyclictest33-21ksoftirqd/209:03:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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