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2026-04-10 - 18:16
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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 Fri Apr 10, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22922930,0sleep00-21swapper/012:20:410
180172830,2sleep11371299cyclictest10:47:181
240492780,2sleep11371299cyclictest11:24:071
37792590,0sleep20-21swapper/211:19:352
58672560,0sleep00-21swapper/009:56:090
283602550,0sleep20-21swapper/210:14:512
189192550,0sleep30-21swapper/310:11:113
91672540,1sleep1710-21NetworkManager11:08:531
298612540,0sleep20-21swapper/209:17:352
269662540,1sleep026964-21kworker/u8:211:07:360
161502540,0sleep11073-21nfsd09:31:351
35722520,0sleep30-21swapper/310:48:513
295102520,0sleep10-21swapper/109:58:151
266892520,0sleep30-21swapper/311:32:383
208892520,0sleep20-21swapper/210:08:372
105122520,0sleep30-21swapper/309:23:053
105122520,0sleep30-21swapper/309:23:043
303532510,0sleep00-21swapper/012:06:230
295952510,0sleep00-21swapper/012:03:350
20832510,0sleep00-21swapper/009:22:020
20832510,0sleep00-21swapper/009:22:020
151842510,0sleep30-21swapper/310:55:213
257972500,0sleep125794-21bash11:26:581
20832500,0sleep20-21swapper/210:01:252
156012500,0sleep3710-21NetworkManager12:30:183
147202500,0sleep20-21swapper/210:49:502
5652490,0sleep10-21swapper/109:17:581
313602490,0sleep30-21swapper/310:03:583
304072480,0sleep30-21swapper/310:23:213
23872480,0sleep10-21swapper/111:50:051
19692470,0sleep20-21swapper/212:26:202
263002460,2sleep01370499cyclictest10:25:420
175682420,1sleep317567-21bash10:30:293
1334724136,3sleep20-21swapper/207:06:552
1338222311,7sleep30-21swapper/307:07:203
1180322210,7sleep10-21swapper/107:05:061
132032219,7sleep00-21swapper/007:05:210
177732190,0sleep10-21swapper/110:25:031
67552180,1sleep16753-21sshd09:53:311
291342170,1sleep20-21swapper/212:23:082
155172170,1sleep315503-21sshd10:41:313
222772160,0sleep00-21swapper/011:32:150
19912160,0sleep20-21swapper/211:27:432
176412160,1sleep2311rcuc/211:01:082
238062150,0sleep20-21swapper/211:12:542
1372099150,14cyclictest0-21swapper/209:57:122
13704991513,1cyclictest1173-21kworker/0:211:38:510
134172150,0sleep20-21swapper/211:59:252
65032140,0sleep10-21swapper/109:39:371
38902140,0sleep00-21swapper/010:18:170
326452140,1sleep232643-21lspci12:37:262
200962140,0sleep10-21swapper/112:05:271
13721991413,0cyclictest0-21swapper/311:53:153
1372099140,13cyclictest0-21swapper/209:39:322
13704991413,0cyclictest101ktimersoftd/011:53:300
135482140,0sleep00-21swapper/010:49:450
84032130,0sleep10-21swapper/111:03:111
307602130,1sleep230762-21bash10:28:572
13704991312,0cyclictest32550irq/27-ahci[00011:59:230
13704991312,0cyclictest18197-21kworker/0:012:19:130
13704991311,1cyclictest31532-21kworker/0:309:51:330
307322120,0sleep20-21swapper/211:30:132
196462120,0sleep20-21swapper/210:36:182
170542120,0sleep30-21swapper/311:06:433
1372199120,1cyclictest19726-21bash09:37:563
1372199120,11cyclictest29863-21sshd11:44:063
1372199120,11cyclictest0-21swapper/310:37:063
1372099120,11cyclictest23728-21sshd12:33:512
1372099120,11cyclictest1423-21cp12:09:322
1372099120,0cyclictest0-21swapper/210:43:422
1371299120,1cyclictest25245-21grep12:39:381
13704991210,1cyclictest0-21swapper/009:42:440
246052110,1sleep224600-21sshd12:00:172
13721991110,0cyclictest0-21swapper/311:46:063
13721991110,0cyclictest0-21swapper/310:28:563
13721991110,0cyclictest0-21swapper/309:33:463
1372199110,10cyclictest0-21swapper/311:36:553
1372199110,0cyclictest0-21swapper/311:17:463
13720991110,0cyclictest0-21swapper/212:15:012
13720991110,0cyclictest0-21swapper/211:44:122
13720991110,0cyclictest0-21swapper/211:07:522
13720991110,0cyclictest0-21swapper/209:42:212
13720991110,0cyclictest0-21swapper/208:55:212
1372099110,0cyclictest0-21swapper/210:59:022
1371299119,1cyclictest25500-21sshd11:15:481
1371299119,1cyclictest11279-21sshd11:11:481
1371299119,1cyclictest0-21swapper/111:56:281
13712991110,0cyclictest0-21swapper/110:12:581
13712991110,0cyclictest0-21swapper/109:49:081
13712991110,0cyclictest0-21swapper/109:28:281
1371299110,10cyclictest0-21swapper/112:21:381
1371299110,10cyclictest0-21swapper/112:02:481
1371299110,10cyclictest0-21swapper/110:21:071
1371299110,0cyclictest0-21swapper/111:49:181
1370499119,1cyclictest9-21ksoftirqd/010:43:520
1370499119,1cyclictest0-21swapper/011:22:340
1370499111,1cyclictest8639-21bash10:38:090
13704991111,0cyclictest5576-21kworker/0:111:18:320
13704991110,0cyclictest0-21swapper/012:11:240
1370499110,1cyclictest0-21swapper/012:28:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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