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2025-09-16 - 18:35
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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 rackcslot2.osadl.org (updated Tue Sep 16, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1972127447,22sleep10-21swapper/107:06:361
1965527362,7sleep00-21swapper/007:05:520
15232720,0sleep00-21swapper/010:32:130
162572670,0sleep016256-21vmstat10:07:350
19962993837,0cyclictest7-21ksoftirqd/009:47:140
1996299300,29cyclictest0-21swapper/012:00:170
1996299300,24cyclictest1111-21runrttasks09:35:490
19963992827,0cyclictest24-21ksoftirqd/108:12:141
19963992811,10cyclictest0-21swapper/109:50:031
1996399280,2cyclictest21292-21ssh12:24:351
19962992810,17cyclictest0-21swapper/009:14:130
19962992726,1cyclictest0-21swapper/011:55:380
1996299270,4cyclictest0-21swapper/011:17:230
19963992610,1cyclictest0-21swapper/110:00:141
19963992610,15cyclictest0-21swapper/109:33:241
19962992626,0cyclictest0-21swapper/010:24:390
19962992626,0cyclictest0-21swapper/010:13:420
19962992621,3cyclictest0-21swapper/011:23:330
19962992619,5cyclictest29803-21apache212:25:340
1996299261,24cyclictest29933-21sshd11:08:520
19962992610,3cyclictest0-21swapper/011:32:570
1996299260,4cyclictest0-21swapper/011:28:100
1996399252,4cyclictest0-21swapper/109:42:521
19963992510,2cyclictest0-21swapper/108:52:341
19963992510,1cyclictest0-21swapper/110:15:331
19962992510,0cyclictest0-21swapper/010:43:150
19963992421,2cyclictest24-21ksoftirqd/107:07:261
19963992413,4cyclictest19960-21cyclictest10:50:461
19963992411,11cyclictest1462-21diskmemload10:56:191
19963992410,8cyclictest0-21swapper/112:12:291
19963992410,2cyclictest0-21swapper/110:41:281
1996399240,2cyclictest0-21swapper/111:57:131
1996399240,23cyclictest0-21swapper/110:43:211
19962992422,2cyclictest29779-21apache212:15:360
1996299240,3cyclictest0-21swapper/010:33:390
1996299240,2cyclictest0-21swapper/009:40:170
1996299240,23cyclictest0-21swapper/008:03:340
19963992322,1cyclictest231ktimersoftd/107:17:261
19963992320,1cyclictest24-21ksoftirqd/109:13:471
19962992322,1cyclictest1462-21diskmemload11:48:420
1996299232,20cyclictest0-21swapper/012:02:260
1996299231,1cyclictest0-21swapper/011:16:540
19963992222,0cyclictest24-21ksoftirqd/112:17:331
19963992218,4cyclictest29803-21apache209:05:321
1996399221,6cyclictest0-21swapper/111:42:481
19963992212,4cyclictest24-21ksoftirqd/112:08:071
19963992211,10cyclictest0-21swapper/109:54:181
19963992210,9cyclictest0-21swapper/110:27:261
19963992210,6cyclictest0-21swapper/108:27:361
19963992210,10cyclictest0-21swapper/111:28:481
1996399220,2cyclictest0-21swapper/109:25:031
1996399220,19cyclictest1462-21diskmemload12:30:371
1996299222,15cyclictest0-21swapper/012:32:370
19962992220,1cyclictest81ktimersoftd/011:39:480
19962992217,1cyclictest7-21ksoftirqd/007:12:410
1996299220,4cyclictest0-21swapper/011:05:040
1996399212,13cyclictest0-21swapper/109:17:261
19963992119,1cyclictest29803-21apache210:24:381
19963992116,3cyclictest0-21swapper/111:57:271
19963992114,5cyclictest29779-21apache211:52:061
19963992111,2cyclictest0-21swapper/112:05:221
19963992110,5cyclictest0-21swapper/112:34:171
19963992110,3cyclictest0-21swapper/111:02:311
1996399210,20cyclictest0-21swapper/111:40:041
19962992118,2cyclictest29803-21apache210:41:110
1996299211,1cyclictest1462-21diskmemload09:28:070
19962992110,9cyclictest0-21swapper/010:04:200
19962992110,8cyclictest0-21swapper/008:43:090
19962992110,5cyclictest0-21swapper/010:56:480
1996299210,17cyclictest0-21swapper/009:10:400
1996299210,0cyclictest0-21swapper/012:20:440
1996399205,8cyclictest0-21swapper/109:27:341
19963992019,0cyclictest24-21ksoftirqd/108:12:311
19963992019,0cyclictest24-21ksoftirqd/107:42:301
1996399201,4cyclictest0-21swapper/110:03:071
19963992012,3cyclictest0-21swapper/108:04:481
1996399201,0cyclictest231ktimersoftd/107:26:461
19963992010,0cyclictest0-21swapper/110:37:021
1996399200,4cyclictest0-21swapper/110:18:191
1996399200,16cyclictest0-21swapper/109:38:191
1996299203,4cyclictest91rcu_preempt11:45:270
19962992019,0cyclictest7-21ksoftirqd/007:27:140
1996299201,6cyclictest0-21swapper/009:54:490
1996299201,2cyclictest1462-21diskmemload12:08:420
1996299201,18cyclictest16124-21ssh09:25:430
1996299201,12cyclictest17559-21runrttasks08:22:330
19962992010,5cyclictest0-21swapper/007:42:280
19962992010,3cyclictest0-21swapper/009:18:330
160692200,4sleep10-21swapper/110:07:351
5232190,0sleep00-21swapper/009:02:450
1996399194,5cyclictest1462-21diskmemload11:15:291
1996399193,10cyclictest0-21swapper/111:17:261
19963991917,1cyclictest24-21ksoftirqd/108:42:131
1996399191,2cyclictest0-21swapper/111:22:571
19963991910,3cyclictest0-21swapper/111:32:461
19962991916,2cyclictest19960-21cyclictest12:31:380
19962991914,3cyclictest23425-21memory10:17:310
1996299191,17cyclictest0-21swapper/010:49:040
19962991910,3cyclictest0-21swapper/008:48:460
1996399185,9cyclictest0-21swapper/107:52:311
1996399184,6cyclictest29872-21apache_volume07:32:231
19963991816,1cyclictest0-21swapper/108:42:311
19963991813,4cyclictest1379-21kworker/u4:007:48:011
19963991812,4cyclictest12462-21kworker/u4:008:34:121
19963991810,5cyclictest0-21swapper/109:10:091
19963991810,4cyclictest0-21swapper/111:07:311
19963991810,3cyclictest0-21swapper/107:12:291
1996299189,4cyclictest6926-21sendmail07:57:140
19962991814,3cyclictest29779-21apache209:57:240
19962991810,5cyclictest0-21swapper/010:59:500
19962991810,4cyclictest0-21swapper/008:57:370
19962991810,4cyclictest0-21swapper/008:27:350
19962991810,4cyclictest0-21swapper/007:07:300
3190521710,0sleep10-21swapper/109:02:071
1996399172,14cyclictest0-21swapper/108:47:341
19963991715,1cyclictest23029-21ssh11:00:011
19963991710,5cyclictest0-21swapper/107:57:271
19962991713,1cyclictest7-21ksoftirqd/008:12:310
19962991712,3cyclictest1111-21runrttasks08:33:010
19962991710,2cyclictest0-21swapper/007:47:340
1996299170,8cyclictest0-21swapper/008:52:260
1996399166,8cyclictest0-21swapper/108:22:251
1996399162,8cyclictest0-21swapper/107:37:281
1996399161,9cyclictest0-21swapper/107:27:321
19963991610,1cyclictest0-21swapper/108:17:301
1996299165,7cyclictest0-21swapper/007:57:340
1996299165,7cyclictest0-21swapper/007:27:270
1996299164,6cyclictest0-21swapper/007:17:260
1996299161,8cyclictest0-21swapper/007:32:230
1996299161,10cyclictest0-21swapper/007:37:300
1996299160,8cyclictest0-21swapper/009:47:240
1996299153,6cyclictest0-21swapper/008:37:250
19962991515,0cyclictest0-21swapper/008:17:330
19962991510,0cyclictest0-21swapper/008:07:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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