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2026-01-12 - 08:10
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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 Mon Jan 12, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
157192840,0sleep2642-21systemd-logind21:26:402
246622740,1sleep3674-21dbus-daemon22:10:403
16382600,0sleep20-21swapper/222:41:062
317182570,0sleep00-21swapper/022:15:000
257032570,0sleep20-21swapper/221:11:422
157932560,0sleep20-21swapper/223:12:512
24532540,0sleep00-21swapper/023:42:160
99242530,0sleep20-21swapper/222:58:282
45742520,0sleep10-21swapper/100:18:351
220342520,0sleep00-21swapper/023:49:340
138122520,0sleep10-21swapper/123:54:231
242962510,0sleep30-21swapper/323:16:193
191782510,1sleep319173-21sshd23:57:343
266512500,0sleep20-21swapper/223:27:402
194702490,0sleep10-21swapper/123:15:541
281822480,1sleep3391rcuc/322:46:083
227202480,1sleep222723-21grep21:42:352
100112480,0sleep110014-21bash22:47:231
255582470,0sleep30-21swapper/323:22:013
255582470,0sleep30-21swapper/323:22:013
136042470,0sleep00-21swapper/023:54:230
265202460,0sleep30-21swapper/321:11:513
126762460,0sleep10-21swapper/122:44:531
19212420,0sleep10-21swapper/123:03:211
35382380,0sleep30-21swapper/300:01:463
120092380,0sleep00-21swapper/000:19:140
224272360,2sleep13010299cyclictest23:13:261
45262340,0sleep10-21swapper/123:25:431
297482297,7sleep20-21swapper/219:06:502
2970822914,10sleep10-21swapper/119:06:211
296382297,7sleep30-21swapper/319:05:313
296652287,7sleep00-21swapper/019:05:490
234612250,0sleep00-21swapper/022:43:010
132442230,3sleep3674-21dbus-daemon22:02:293
297512180,0sleep129757-21nfsd420:25:171
163022180,0sleep10-21swapper/100:36:091
43092170,0sleep20-21swapper/223:09:052
264312170,0sleep20-21swapper/200:09:222
75022160,0sleep10-21swapper/123:37:091
327002160,0sleep30-21swapper/300:18:123
298942160,0sleep10-21swapper/121:43:211
206702160,0sleep10-21swapper/123:49:271
173352160,0sleep10-21swapper/122:16:531
73062150,1sleep0111rcuc/023:23:140
73062150,1sleep0111rcuc/023:23:130
52002150,0sleep00-21swapper/021:37:120
32942150,0sleep20-21swapper/223:00:372
326222150,0sleep00-21swapper/000:04:200
30108991514,0cyclictest9854-21lspci00:32:512
16732150,0sleep00-21swapper/023:03:200
3552140,0sleep00-21swapper/022:49:210
30682140,0sleep30-21swapper/323:11:443
3010899144,1cyclictest33-21ksoftirqd/200:15:132
30108991413,0cyclictest27513-21lspci23:58:182
3010899140,12cyclictest29900-21sshd23:33:332
136772140,1sleep013679-21bash22:55:580
5342130,1sleep3530-21lspci23:30:583
3011199130,1cyclictest0-21swapper/322:23:363
30108991312,0cyclictest27996-21lspci21:32:432
30108991312,0cyclictest1448-21lspci00:21:012
30108991311,1cyclictest0-21swapper/223:36:432
3010899130,12cyclictest29493-21bash00:01:132
3010299130,12cyclictest0-21swapper/122:38:121
118802130,0sleep20-21swapper/221:48:242
104192130,0sleep00-21swapper/023:17:580
3011199120,1cyclictest302-21sshd00:37:363
3011199120,11cyclictest0-21swapper/300:25:063
3010899121,1cyclictest33-21ksoftirqd/222:35:112
30108991211,0cyclictest321ktimersoftd/222:11:592
30108991211,0cyclictest24061-21lspci22:20:572
30108991210,1cyclictest22802-21sshd22:51:132
3010899120,1cyclictest18170-21sshd00:28:032
3010899120,1cyclictest0-21swapper/221:55:432
3010899120,11cyclictest0-21swapper/222:28:332
30102991210,1cyclictest15808-21systemd-cgroups21:26:401
3010299120,1cyclictest21767-21bash00:14:321
3010299120,1cyclictest13280-21sshd22:20:021
3010299120,11cyclictest642-21systemd-logind23:55:411
3010299120,11cyclictest642-21systemd-logind21:20:011
30098991210,1cyclictest620-17auditd22:37:300
30098991210,1cyclictest0-21swapper/000:13:500
3009899120,1cyclictest16753-21grep21:55:500
3009899120,11cyclictest0-21swapper/000:33:590
179552120,0sleep20-21swapper/221:52:312
30111991110,0cyclictest0-21swapper/323:37:363
30111991110,0cyclictest0-21swapper/323:28:053
3011199110,10cyclictest0-21swapper/300:21:163
3011199110,0cyclictest0-21swapper/321:30:463
3010899119,1cyclictest33-21ksoftirqd/221:39:592
3010899119,1cyclictest15154-21sshd23:18:232
3010899119,1cyclictest0-21swapper/222:31:522
30108991110,0cyclictest5765-21lspci23:42:332
30108991110,0cyclictest19166-21lspci23:24:172
30108991110,0cyclictest19166-21lspci23:24:162
30108991110,0cyclictest0-21swapper/222:01:022
30108991110,0cyclictest0-21swapper/200:36:232
3010899110,10cyclictest4853-21kworker/2:023:50:222
3010299119,1cyclictest27395-21rm00:26:021
30102991110,0cyclictest0-21swapper/123:44:511
3010299110,10cyclictest0-21swapper/121:19:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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