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2025-12-29 - 15:40
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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 100 highest latencies:
System rack7slot0.osadl.org (updated Mon Dec 29, 2025 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750660,0irq/25-eth00-21swapper/107:07:121
120650640,0irq/26-eth1-rx-0-21swapper/307:07:123
112750610,0irq/25-eth00-21swapper/207:08:412
130624721,0sleep00-21swapper/007:08:190
1535991513,0cyclictest0-21swapper/311:07:523
1535991513,0cyclictest0-21swapper/311:07:523
1534991511,0cyclictest0-21swapper/210:45:152
153499150,0cyclictest0-21swapper/207:45:202
153499150,0cyclictest0-21swapper/207:10:172
153399150,0cyclictest0-21swapper/107:30:141
153399150,0cyclictest0-21swapper/107:25:171
1533991413,0cyclictest25852-21diskmemload11:28:421
153399140,0cyclictest0-21swapper/111:40:231
41130,0ktimersoftd/08040-21bash12:17:000
271130,0ktimersoftd/20-21swapper/210:01:342
1535991312,0cyclictest27797-21sshd12:13:163
1535991312,0cyclictest0-21swapper/311:25:173
1535991312,0cyclictest0-21swapper/311:12:033
153599130,0cyclictest0-21swapper/312:30:203
1534991312,0cyclictest0-21swapper/212:26:482
1534991312,0cyclictest0-21swapper/209:36:082
153499130,0cyclictest0-21swapper/210:51:182
1533991312,0cyclictest25852-21diskmemload12:30:021
1533991311,0cyclictest0-21swapper/110:18:391
1533991311,0cyclictest0-21swapper/109:30:191
153299130,0cyclictest0-21swapper/010:48:010
271120,0ktimersoftd/20-21swapper/211:18:212
1535991212,0cyclictest810-40kipmi009:55:153
1535991212,0cyclictest0-21swapper/310:27:203
1535991211,0cyclictest0-21swapper/309:22:503
1535991211,0cyclictest0-21swapper/307:10:043
1535991210,0cyclictest0-21swapper/311:59:333
1535991210,0cyclictest0-21swapper/311:23:053
153599120,0cyclictest0-21swapper/311:16:283
153599120,0cyclictest0-21swapper/309:43:253
153599120,0cyclictest0-21swapper/309:37:363
153599120,0cyclictest0-21swapper/309:28:053
153599120,0cyclictest0-21swapper/309:13:203
1534991211,0cyclictest6386-21sshd10:39:412
1534991211,0cyclictest17948-21sshd11:11:582
1534991211,0cyclictest0-21swapper/212:09:422
153499120,0cyclictest0-21swapper/210:29:132
153499120,0cyclictest0-21swapper/209:20:002
1533991212,0cyclictest0-21swapper/112:15:111
1533991211,0cyclictest0-21swapper/112:22:291
1533991211,0cyclictest0-21swapper/112:12:431
1533991211,0cyclictest0-21swapper/110:46:031
1533991211,0cyclictest0-21swapper/110:43:101
1533991211,0cyclictest0-21swapper/109:47:511
1533991211,0cyclictest0-21swapper/109:41:501
1533991210,0cyclictest25852-21diskmemload09:14:521
1532991212,0cyclictest0-21swapper/010:09:000
1532991210,0cyclictest0-21swapper/010:33:440
153299120,0cyclictest0-21swapper/009:52:160
351110,0ktimersoftd/30-21swapper/308:00:023
153599119,0cyclictest0-21swapper/307:37:503
1535991111,0cyclictest0-21swapper/311:50:163
1535991111,0cyclictest0-21swapper/309:46:193
1535991110,0cyclictest26400-21bash10:45:173
1535991110,0cyclictest0-21swapper/310:57:383
1535991110,0cyclictest0-21swapper/310:13:583
153599110,0cyclictest0-21swapper/312:23:013
153599110,0cyclictest0-21swapper/308:56:143
153599110,0cyclictest0-21swapper/308:43:213
153599110,0cyclictest0-21swapper/308:13:023
1534991111,0cyclictest0-21swapper/212:34:202
1534991111,0cyclictest0-21swapper/212:16:472
1534991111,0cyclictest0-21swapper/212:14:212
1534991111,0cyclictest0-21swapper/212:02:372
1534991111,0cyclictest0-21swapper/210:21:112
1534991110,0cyclictest5192-21diskstats07:15:132
1534991110,0cyclictest0-21swapper/211:25:272
1534991110,0cyclictest0-21swapper/211:09:462
1534991110,0cyclictest0-21swapper/211:09:462
1534991110,0cyclictest0-21swapper/210:18:182
1534991110,0cyclictest0-21swapper/209:44:512
1534991110,0cyclictest0-21swapper/209:25:272
153499110,0cyclictest4653-21bash11:46:472
153499110,0cyclictest0-21swapper/207:25:212
1533991111,0cyclictest0-21swapper/112:38:381
1533991111,0cyclictest0-21swapper/107:35:191
1533991110,0cyclictest0-21swapper/109:19:531
153399110,0cyclictest0-21swapper/110:02:101
153299119,0cyclictest0-21swapper/012:24:400
153299119,0cyclictest0-21swapper/009:01:220
1532991110,0cyclictest0-21swapper/010:50:560
1532991110,0cyclictest0-21swapper/010:15:370
153299110,0cyclictest25852-21diskmemload11:03:280
153299110,0cyclictest0-21swapper/011:39:430
153299110,0cyclictest0-21swapper/010:39:180
112750110,0irq/25-eth016155-21id09:25:280
112750110,0irq/25-eth00-21swapper/111:13:291
112750110,0irq/25-eth00-21swapper/009:39:030
351100,0ktimersoftd/30-21swapper/307:21:483
153599109,0cyclictest5468-21bash09:50:523
153599109,0cyclictest0-21swapper/310:51:503
1535991010,0cyclictest0-21swapper/311:39:003
1535991010,0cyclictest0-21swapper/309:17:523
153599100,0cyclictest0-21swapper/311:00:473
153599100,0cyclictest0-21swapper/309:04:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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