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2025-11-23 - 22:04
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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 rack2slot0.osadl.org (updated Sun Nov 23, 2025 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1462021070,2sleep32079799cyclictest11:00:173
50102910,0sleep05011-21sshd11:10:000
51732710,0sleep00-21swapper/011:02:460
175422650,0sleep30-21swapper/312:39:223
323292620,1sleep332326-21bash10:48:153
223632620,0sleep10-21swapper/111:32:361
313012590,0sleep10-21swapper/110:13:531
158282570,0sleep20-21swapper/209:58:122
307002560,0sleep20-21swapper/211:40:132
199812560,0sleep20-21swapper/211:18:302
164832560,0sleep116481-21bash10:39:481
78292550,0sleep20-21swapper/212:38:202
193432550,0sleep20-21swapper/212:23:102
35172540,0sleep10-21swapper/110:31:271
116052540,0sleep20-21swapper/212:25:352
289232530,1sleep2311rcuc/209:23:122
134332530,0sleep10-21swapper/109:17:581
117552530,2sleep32079799cyclictest11:59:133
227252520,0sleep2311rcuc/209:26:122
88082510,0sleep10-21swapper/111:41:161
301272500,0sleep30-21swapper/310:55:043
248932500,0sleep10-21swapper/111:46:221
286672490,0sleep00-21swapper/010:13:360
285862490,0sleep10-21swapper/110:40:571
2046024937,7sleep20-21swapper/207:07:182
2046024937,7sleep20-21swapper/207:07:182
210512480,0sleep30-21swapper/310:02:093
63082470,2sleep02078499cyclictest10:25:010
158542460,0sleep00-21swapper/011:42:030
132042460,0sleep20-21swapper/211:00:122
295762430,1sleep129577-21sshd10:20:381
294322400,1sleep129423-21lspci10:06:441
180572360,2sleep12078999cyclictest12:06:361
180572360,2sleep12078999cyclictest12:06:351
204462298,7sleep30-21swapper/307:07:073
204462298,7sleep30-21swapper/307:07:073
205772286,7sleep10-21swapper/107:08:461
205772286,7sleep10-21swapper/107:08:451
203102267,7sleep00-21swapper/007:05:250
203102267,7sleep00-21swapper/007:05:240
185802200,1sleep318578-21lspci09:18:323
302752170,0sleep10-21swapper/111:54:061
27072170,0sleep10-21swapper/111:13:081
264322170,0sleep3401ktimersoftd/311:26:003
218092170,1sleep2311rcuc/212:33:092
296272160,0sleep229630-21bash10:58:272
162862160,0sleep20-21swapper/210:08:572
128752160,2sleep02078499cyclictest10:53:130
56212150,0sleep30-21swapper/312:18:363
238442150,0sleep00-21swapper/012:20:200
242362140,1sleep224147-21sshd12:13:532
21692140,0sleep0111rcuc/011:54:330
47072130,0sleep30-21swapper/311:06:213
2079799130,1cyclictest0-21swapper/311:41:233
265192120,0sleep326523-21sendmail_mailqu10:20:203
20797991210,1cyclictest9976-21sshd11:34:433
20797991210,1cyclictest1863-21lspci09:56:433
20797991210,1cyclictest14352-21cp12:25:533
2079799120,1cyclictest21693-21grep09:37:133
2079799120,11cyclictest23555-21grepconf.sh10:54:243
20796991210,1cyclictest14884-21sshd10:53:272
2079699120,1cyclictest8518-21grepconf.sh09:07:572
2079699120,1cyclictest12914-21bash10:25:372
2079699120,1cyclictest0-21swapper/211:49:232
2079699120,11cyclictest20041-21sshd10:46:562
2079699120,11cyclictest0-21swapper/209:36:562
20789991210,1cyclictest25314-21grepconf.sh12:14:001
20789991210,1cyclictest18559-21sshd09:58:291
20789991210,1cyclictest11115-21lspci11:27:501
2078499129,2cyclictest29281-21sshd10:06:430
2078499120,11cyclictest13186-21sshd11:28:030
20797991110,0cyclictest0-21swapper/310:29:433
2079799110,10cyclictest0-21swapper/312:21:433
2079799110,10cyclictest0-21swapper/312:06:533
2079799110,10cyclictest0-21swapper/312:06:533
2079799110,10cyclictest0-21swapper/311:46:433
2079799110,10cyclictest0-21swapper/310:15:333
2079799110,0cyclictest0-21swapper/311:38:433
2079799110,0cyclictest0-21swapper/309:44:133
2079699119,1cyclictest19302-21bash10:15:562
20796991110,0cyclictest0-21swapper/211:10:262
20796991110,0cyclictest0-21swapper/210:39:462
20796991110,0cyclictest0-21swapper/210:00:262
20796991110,0cyclictest0-21swapper/209:45:172
2079699110,0cyclictest0-21swapper/212:01:462
2079699110,0cyclictest0-21swapper/211:07:162
2079699110,0cyclictest0-21swapper/210:21:462
2078999119,1cyclictest646-21dbus-daemon10:00:301
20789991110,0cyclictest0-21swapper/110:29:301
2078499119,1cyclictest12563-21sshd10:39:230
20784991110,0cyclictest0-21swapper/011:22:540
20784991110,0cyclictest0-21swapper/010:17:340
2078499110,10cyclictest0-21swapper/009:28:330
2078499110,0cyclictest0-21swapper/010:47:130
2079799109,0cyclictest75550irq/24-eno1-rx-10:40:433
2079699109,0cyclictest0-21swapper/210:33:562
2079699109,0cyclictest0-21swapper/209:41:162
2079699109,0cyclictest0-21swapper/209:32:362
2079699100,0cyclictest0-21swapper/207:28:252
2078999109,0cyclictest0-21swapper/109:30:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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