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2026-03-18 - 05:59
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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 Wed Mar 18, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112862930,0sleep20-21swapper/200:17:232
49232720,2sleep03164799cyclictest22:43:530
31482590,0sleep30-21swapper/322:35:273
104572590,1sleep010454-21sshd23:58:100
250442570,1sleep025046-21bash22:53:470
256632560,0sleep20-21swapper/222:26:292
201962560,0sleep30-21swapper/323:56:133
95112540,0sleep00-21swapper/022:55:100
318432540,1sleep122459-21kworker/1:100:16:221
233592540,0sleep3391rcuc/300:04:473
233592540,0sleep3391rcuc/300:04:463
276402530,0sleep10-21swapper/121:33:221
24892530,1sleep3391rcuc/300:30:183
282562520,0sleep30-21swapper/323:40:273
266082520,0sleep10-21swapper/100:35:091
99562510,0sleep30-21swapper/322:09:243
85022500,0sleep18504-21gltestperf23:25:121
75482490,1sleep37550-21bash21:14:003
207182490,0sleep20-21swapper/222:56:042
108162490,0sleep2311rcuc/223:00:422
45812480,0sleep20-21swapper/200:03:102
45812480,0sleep20-21swapper/200:03:092
298112480,0sleep129814-21bash21:17:481
273602480,1sleep227363-21sshd21:36:422
226672480,0sleep00-21swapper/021:16:310
218462470,0sleep30-21swapper/323:09:553
77282430,0sleep30-21swapper/300:08:553
76672390,0sleep30-21swapper/321:19:383
66992350,0sleep2321ktimersoftd/221:41:242
83722340,0sleep10-21swapper/121:58:531
312882308,7sleep30-21swapper/319:07:013
312332297,7sleep10-21swapper/119:06:351
193962260,1sleep00-21swapper/000:18:050
3123922210,7sleep20-21swapper/219:06:402
3118822110,7sleep00-21swapper/019:06:020
151292200,1sleep215128-21sshd00:06:462
291582190,1sleep329141-21cp00:16:083
17072180,0sleep10-21swapper/123:38:171
156612180,0sleep20-21swapper/221:52:452
51992170,1sleep2674-21dbus-daemon22:52:042
25212170,0sleep20-21swapper/223:41:022
274662160,0sleep20-21swapper/200:24:172
31651991515,0cyclictest11369-21kworker/1:119:17:261
193282150,0sleep30-21swapper/321:27:073
90462140,0sleep20-21swapper/222:35:582
89882140,1sleep09-21ksoftirqd/023:00:320
81802140,0sleep1241ktimersoftd/100:14:271
65972140,0sleep10-21swapper/122:35:461
31651991413,0cyclictest23487-21kworker/1:123:33:471
312862140,1sleep331285-21needreboot20:25:163
257942140,0sleep1241ktimersoftd/100:29:371
58192130,1sleep20-21swapper/221:34:302
4202130,1sleep0101ktimersoftd/023:51:510
3165299130,11cyclictest25182-21sshd21:46:492
3164799130,12cyclictest32574-21sshd00:24:420
312982130,0sleep20-21swapper/222:15:072
26682130,0sleep10-21swapper/122:32:451
81862120,0sleep30-21swapper/321:45:043
31657991210,1cyclictest1026-21sshd22:58:483
3165799120,1cyclictest16408-21sshd23:23:073
3165299120,11cyclictest1-21systemd23:20:092
3165299120,11cyclictest12156-21sshd00:12:002
31651991210,1cyclictest0-21swapper/122:08:351
3165199120,11cyclictest16303-21lspci22:10:041
31647991211,0cyclictest1002-21snmpd22:10:180
3164799120,11cyclictest0-21swapper/022:01:120
3164799120,11cyclictest0-21swapper/021:14:020
3165799110,10cyclictest0-21swapper/323:35:583
3165799110,10cyclictest0-21swapper/322:54:573
3165799110,10cyclictest0-21swapper/322:15:283
3165799110,0cyclictest0-21swapper/321:51:183
31652991110,0cyclictest0-21swapper/223:37:102
31652991110,0cyclictest0-21swapper/221:15:502
3165299110,0cyclictest0-21swapper/221:12:092
3165199119,1cyclictest1-21systemd22:51:241
3165199119,1cyclictest0-21swapper/123:23:241
3165199119,1cyclictest0-21swapper/121:51:341
31651991110,0cyclictest0-21swapper/100:24:141
31651991110,0cyclictest0-21swapper/100:05:241
3165199110,10cyclictest0-21swapper/122:59:041
31647991110,0cyclictest0-21swapper/000:10:030
31647991110,0cyclictest0-21swapper/000:01:230
31647991110,0cyclictest0-21swapper/000:01:220
3164799110,10cyclictest0-21swapper/023:42:030
3164799110,10cyclictest0-21swapper/023:30:420
3164799110,10cyclictest0-21swapper/023:19:230
3164799110,10cyclictest0-21swapper/023:08:220
3164799110,10cyclictest0-21swapper/022:26:020
3164799110,10cyclictest0-21swapper/021:51:220
3164799110,10cyclictest0-21swapper/000:35:130
3164799110,0cyclictest0-21swapper/022:21:330
3164799110,0cyclictest0-21swapper/021:21:420
159472110,1sleep3391rcuc/323:34:023
96582100,1sleep00-21swapper/022:38:490
3165799109,0cyclictest0-21swapper/321:55:273
3165799109,0cyclictest0-21swapper/321:44:083
3165799108,1cyclictest14306-21bash21:31:473
3165799100,0cyclictest0-21swapper/323:28:483
3165799100,0cyclictest0-21swapper/322:31:583
3165299109,0cyclictest0-21swapper/223:57:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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