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2025-04-26 - 10:56
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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 Apr 26, 2025 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36742750,4sleep10-21swapper/122:30:091
48662710,5sleep31770999cyclictest23:55:253
2847191700,4ptp4l20277-21ls20:25:282
2847191690,3ptp4l0-21swapper/220:55:192
2847191650,4ptp4l15352-21apt-get21:35:131
2847191630,4ptp4l0-21swapper/219:37:032
2847191630,3ptp4l1778-21gnome-shell20:55:581
2847191610,4ptp4l0-21swapper/200:01:292
2847191610,3ptp4l10307-21meminfo00:10:232
2847191610,3ptp4l10307-21meminfo00:10:232
2847191600,4ptp4l0-21swapper/123:28:591
2847191600,4ptp4l0-21swapper/022:41:580
2847191600,3ptp4l0-21swapper/100:09:061
2847191590,3ptp4l14906-21chrt21:32:331
2847191580,4ptp4l0-21swapper/322:05:583
1770999581,21cyclictest2849491getstats19:55:383
2847191570,5ptp4l0-21swapper/223:57:482
2847191570,4ptp4l0-21swapper/022:30:130
2847191570,4ptp4l0-21swapper/000:14:120
2847191570,4ptp4l0-21swapper/000:14:120
1770999570,28cyclictest25239-21taskset23:24:143
1770999570,28cyclictest14953-21taskset21:33:103
2847191560,4ptp4l0-21swapper/123:55:391
2847191560,4ptp4l0-21swapper/122:55:221
2847191560,3ptp4l0-21swapper/321:10:003
2847191560,3ptp4l0-21swapper/223:43:172
1770999560,28cyclictest28239-21taskset20:48:413
2847191550,4ptp4l0-21swapper/022:59:080
2847191550,4ptp4l0-21swapper/021:00:460
2847191550,3ptp4l0-21swapper/222:45:152
2847191550,3ptp4l0-21swapper/220:24:282
2847191550,3ptp4l0-21swapper/220:07:302
1770999550,30cyclictest2736-21taskset21:02:413
1770999550,28cyclictest2992-21taskset22:26:293
2847191540,4ptp4l0-21swapper/022:51:370
2847191540,4ptp4l0-21swapper/021:42:230
2847191540,4ptp4l0-21swapper/020:44:110
2847191540,3ptp4l0-21swapper/223:05:402
2847191540,13ptp4l0-21swapper/120:39:141
2847191530,5ptp4l0-21swapper/021:54:590
2847191530,4ptp4l0-21swapper/223:22:182
2847191530,4ptp4l0-21swapper/119:43:081
2847191530,3ptp4l0-21swapper/221:30:132
1770999531,26cyclictest18075-21taskset23:06:013
1770999530,28cyclictest12057-21taskset21:23:193
1770999530,28cyclictest11122-21taskset00:11:323
1770999530,28cyclictest11122-21taskset00:11:323
1770999530,28cyclictest10704-21taskset22:48:123
2847191520,4ptp4l0-21swapper/221:52:252
2847191520,4ptp4l0-21swapper/220:43:012
2847191520,4ptp4l0-21swapper/200:20:282
2847191520,4ptp4l0-21swapper/123:37:141
2847191520,4ptp4l0-21swapper/120:26:541
2847191520,4ptp4l0-21swapper/023:26:130
2847191520,3ptp4l0-21swapper/222:10:402
2847191520,3ptp4l0-21swapper/022:30:010
2847191520,3ptp4l0-21swapper/022:16:540
2847191520,3ptp4l0-21swapper/021:15:160
2847191520,16ptp4l0-21swapper/322:35:133
2847191520,11ptp4l16501-21ntp_states19:05:233
1770999520,29cyclictest5527-21seq22:34:343
1770999520,27cyclictest27430-21taskset22:04:343
2847191510,4ptp4l0-21swapper/221:46:122
2847191510,4ptp4l0-21swapper/123:53:191
2847191510,4ptp4l0-21swapper/122:52:491
2847191510,4ptp4l0-21swapper/100:11:341
2847191510,4ptp4l0-21swapper/100:11:341
2847191510,3ptp4l0-21swapper/021:20:190
2847191510,3ptp4l0-21swapper/000:06:390
1770999510,26cyclictest10676-21taskset20:03:523
152442510,3sleep30-21swapper/300:20:283
2847191500,9ptp4l0-21swapper/019:25:510
2847191500,4ptp4l0-21swapper/221:25:172
2847191500,4ptp4l0-21swapper/221:07:282
2847191500,4ptp4l0-21swapper/219:50:162
2847191500,4ptp4l0-21swapper/119:08:371
2847191500,3ptp4l0-21swapper/019:20:240
2847191500,2ptp4l0-21swapper/022:37:350
1770999501,29cyclictest11124-21seq20:06:463
1770999500,4cyclictest2847191ptp4l00:00:333
1770999500,28cyclictest28019-21seq23:32:353
1770999500,28cyclictest24900-21taskset21:56:523
1770999500,28cyclictest10215-21taskset22:44:473
1770999500,27cyclictest19674-21seq21:44:233
2847191490,9ptp4l0-21swapper/219:05:252
2847191490,4ptp4l1770799cyclictest00:35:591
2847191490,4ptp4l0-21swapper/023:12:010
2847191490,4ptp4l0-21swapper/020:54:140
2847191490,3ptp4l0-21swapper/120:07:491
1770999490,30cyclictest22556-21seq21:54:063
1770999490,28cyclictest17069-21taskset21:35:473
2847191480,4ptp4l0-21swapper/220:34:202
2847191480,4ptp4l0-21swapper/023:40:430
2847191480,4ptp4l0-21swapper/020:00:140
1770999480,44cyclictest32700-21ntpq19:40:263
2847191470,3ptp4l0-21swapper/022:21:160
2847191470,3ptp4l0-21swapper/000:39:310
2847191470,10ptp4l0-21swapper/122:10:181
1770999471,25cyclictest30250-21taskset22:13:233
1770999470,30cyclictest12553-21seq21:26:503
2847191460,9ptp4l0-21swapper/021:45:090
2847191460,5ptp4l13927-21apt-get20:15:141
2847191460,4ptp4l20694-21ls00:35:273
2847191460,4ptp4l0-21swapper/023:24:070
2847191460,3ptp4l0-21swapper/300:27:293
2847191460,3ptp4l0-21swapper/222:33:492
2847191460,3ptp4l0-21swapper/219:59:002
2847191460,2ptp4l121rcu_preempt21:59:530
1770999461,30cyclictest1778-21gnome-shell23:28:593
1770999461,30cyclictest1778-21gnome-shell22:58:593
1770999461,30cyclictest1778-21gnome-shell22:54:593
1770999460,29cyclictest3085-21seq23:51:003
1770999460,29cyclictest20276-21seq21:49:163
1770999460,25cyclictest20524-21chrt23:13:003
2847191450,4ptp4l22021-21ls20:30:263
2847191450,4ptp4l11644-21apt-get00:15:123
2847191450,4ptp4l0-21swapper/222:44:012
2847191450,10ptp4l0-21swapper/319:51:503
1770999451,29cyclictest1778-21gnome-shell22:24:593
1770999451,29cyclictest1778-21gnome-shell00:33:593
1770999451,27cyclictest20806-21runrttasks20:29:573
1770999450,30cyclictest30247-21seq23:36:363
1770999450,26cyclictest19438-21taskset19:10:323
2847191440,9ptp4l0-21swapper/020:15:050
2847191440,4ptp4l22360-21apt-get19:20:131
2847191440,4ptp4l0-21swapper/222:22:052
2847191440,4ptp4l0-21swapper/200:15:452
2847191440,4ptp4l0-21swapper/021:10:050
2847191440,4ptp4l0-21swapper/020:25:040
2847191440,10ptp4l0-21swapper/323:40:013
1770999440,30cyclictest22828-21seq23:18:033
2847191430,5ptp4l22202-21ntp_states20:30:301
2847191430,5ptp4l0-21swapper/319:15:163
2847191430,4ptp4l0-21swapper/222:35:192
2847191430,4ptp4l0-21swapper/121:24:591
2847191430,4ptp4l0-21swapper/022:02:100
1770999430,28cyclictest327-21chrt20:58:043
1770999430,28cyclictest26507-21runrttasks19:27:233
2847191420,9ptp4l0-21swapper/320:37:273
2847191420,5ptp4l15718-21apt-get23:00:132
2847191420,5ptp4l0-21swapper/223:30:092
2847191420,5ptp4l0-21swapper/219:20:152
2847191420,5ptp4l0-21swapper/021:35:130
2847191420,4ptp4l30521-21latency_hist23:40:002
2847191420,4ptp4l25249-21iostat_ios19:25:191
2847191420,4ptp4l24062-21meminfo21:55:241
2847191420,4ptp4l16827-21iostat20:20:191
2847191420,4ptp4l13055-21ls20:10:232
2847191420,4ptp4l12588-21memory20:10:180
2847191420,4ptp4l0-21swapper/223:10:372
2847191420,4ptp4l0-21swapper/220:51:452
2847191420,4ptp4l0-21swapper/200:08:112
2847191420,4ptp4l0-21swapper/121:19:311
2847191420,4ptp4l0-21swapper/121:04:441
2847191420,4ptp4l0-21swapper/119:33:021
2847191420,4ptp4l0-21swapper/023:09:170
2847191420,3ptp4l17297-21ls23:00:293
2847191420,3ptp4l17073-21python23:00:271
2847191420,3ptp4l15566-21df21:35:152
2847191420,3ptp4l0-21swapper/122:38:471
2847191420,3ptp4l0-21swapper/120:00:401
1770999422,24cyclictest0-21swapper/320:54:593
1770999422,21cyclictest0-21swapper/319:33:313
1770999420,30cyclictest8946-21seq00:08:093
1770999420,29cyclictest32614-21seq22:19:133
1770999420,27cyclictest31228-21chrt19:38:573
2847191410,7ptp4l3228-21cpuspeed21:05:140
2847191410,7ptp4l0-21swapper/321:05:583
2847191410,5ptp4l3290-21perf22:30:011
2847191410,5ptp4l0-21swapper/320:10:203
2847191410,5ptp4l0-21swapper/219:40:212
2847191410,5ptp4l0-21swapper/123:15:181
2847191410,5ptp4l0-21swapper/123:10:071
2847191410,5ptp4l0-21swapper/020:47:450
2847191410,5ptp4l0-21swapper/019:55:250
2847191410,5ptp4l0-21swapper/019:45:180
2847191410,4ptp4l8945-21ntp_states21:15:233
2847191410,4ptp4l7201-21memory00:00:231
2847191410,4ptp4l29454-21ntp_states22:10:190
2847191410,4ptp4l0-21swapper/223:50:132
2847191410,4ptp4l0-21swapper/219:10:262
2847191410,4ptp4l0-21swapper/123:32:591
2847191410,4ptp4l0-21swapper/122:40:531
2847191410,4ptp4l0-21swapper/121:10:281
2847191410,4ptp4l0-21swapper/120:53:121
2847191410,4ptp4l0-21swapper/120:13:121
2847191410,4ptp4l0-21swapper/120:00:011
2847191410,4ptp4l0-21swapper/100:15:171
2847191410,4ptp4l0-21swapper/023:37:060
2847191410,4ptp4l0-21swapper/022:46:090
2847191410,4ptp4l0-21swapper/021:34:010
2847191410,4ptp4l0-21swapper/020:58:050
2847191410,4ptp4l0-21swapper/019:40:200
2847191410,4ptp4l0-21swapper/000:33:530
2847191410,4ptp4l0-21swapper/000:28:150
2847191410,4ptp4l0-21swapper/000:16:430
2847191410,3ptp4l27179-21df19:30:172
2847191410,3ptp4l1477-21apt-get19:45:133
2847191410,3ptp4l0-21swapper/120:46:301
2847191410,2ptp4l1778-21gnome-shell21:02:582
17707994136,3cyclictest25-21ksoftirqd/122:20:001
1770799411,39cyclictest0-21swapper/121:40:501
2847191400,5ptp4l23548-21sed23:20:141
2847191400,5ptp4l0-21swapper/121:53:071
2847191400,5ptp4l0-21swapper/100:30:121
2847191400,5ptp4l0-21swapper/023:50:270
2847191400,5ptp4l0-21swapper/023:18:270
2847191400,5ptp4l0-21swapper/023:01:450
2847191400,5ptp4l0-21swapper/020:21:590
2847191400,5ptp4l0-21swapper/000:22:060
2847191400,4ptp4l21264-21ps19:15:250
2847191400,4ptp4l20860-21/usr/sbin/munin00:35:282
2847191400,4ptp4l0-21swapper/223:15:312
2847191400,4ptp4l0-21swapper/222:56:452
2847191400,4ptp4l0-21swapper/221:40:212
2847191400,4ptp4l0-21swapper/221:20:212
2847191400,4ptp4l0-21swapper/221:15:242
2847191400,4ptp4l0-21swapper/221:12:442
2847191400,4ptp4l0-21swapper/220:47:282
2847191400,4ptp4l0-21swapper/220:00:282
2847191400,4ptp4l0-21swapper/123:46:441
2847191400,4ptp4l0-21swapper/123:40:021
2847191400,4ptp4l0-21swapper/122:45:091
2847191400,4ptp4l0-21swapper/121:46:151
2847191400,4ptp4l0-21swapper/121:28:591
2847191400,4ptp4l0-21swapper/121:07:581
2847191400,4ptp4l0-21swapper/120:40:141
2847191400,4ptp4l0-21swapper/100:20:141
2847191400,4ptp4l0-21swapper/023:56:180
2847191400,4ptp4l0-21swapper/023:49:520
2847191400,4ptp4l0-21swapper/022:06:410
2847191400,4ptp4l0-21swapper/021:26:190
2847191400,4ptp4l0-21swapper/020:37:510
2847191400,4ptp4l0-21swapper/019:53:520
2847191400,4ptp4l0-21swapper/019:39:340
2847191400,4ptp4l0-21swapper/019:31:590
2847191400,3ptp4l2667-21ntp_states19:45:241
2847191400,3ptp4l21721-21users19:15:291
2847191390,5ptp4l0-21swapper/320:15:283
2847191390,5ptp4l0-21swapper/222:06:552
2847191390,5ptp4l0-21swapper/220:35:202
2847191390,5ptp4l0-21swapper/019:07:240
2847191390,4ptp4l0-21swapper/323:46:233
2847191390,4ptp4l0-21swapper/320:20:233
2847191390,4ptp4l0-21swapper/319:21:433
2847191390,4ptp4l0-21swapper/223:47:262
2847191390,4ptp4l0-21swapper/223:25:332
2847191390,4ptp4l0-21swapper/222:27:122
2847191390,4ptp4l0-21swapper/222:00:232
2847191390,4ptp4l0-21swapper/221:56:372
2847191390,4ptp4l0-21swapper/219:25:272
2847191390,4ptp4l0-21swapper/219:15:242
2847191390,4ptp4l0-21swapper/200:25:292
2847191390,4ptp4l0-21swapper/123:08:051
2847191390,4ptp4l0-21swapper/122:20:291
2847191390,4ptp4l0-21swapper/119:50:381
2847191390,4ptp4l0-21swapper/119:35:171
2847191390,4ptp4l0-21swapper/020:31:560
2847191390,4ptp4l0-21swapper/020:06:580
2847191390,4ptp4l0-21swapper/019:12:240
2847191390,4ptp4l0-21swapper/000:00:130
2847191390,3ptp4l0-21swapper/122:00:261
2847191390,3ptp4l0-21swapper/100:27:241
1770999390,25cyclictest27396-21taskset20:40:423
2847191380,5ptp4l0-21swapper/219:47:042
2847191380,4ptp4l0-21swapper/222:17:202
2847191380,4ptp4l0-21swapper/220:15:162
2847191380,4ptp4l0-21swapper/200:31:292
2847191380,4ptp4l0-21swapper/119:12:251
2847191380,3ptp4l0-21swapper/122:07:101
2847191380,3ptp4l0-21swapper/023:30:030
2847191370,3ptp4l0-21swapper/222:50:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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