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2026-03-11 - 09:46
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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 11, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
269632760,1sleep21364999cyclictest23:04:222
186272720,1sleep318629-21bash23:22:503
190162560,0sleep219011-21sshd22:36:062
252752550,1sleep2321ktimersoftd/223:06:552
249822550,0sleep30-21swapper/320:55:113
216542550,0sleep20-21swapper/223:31:142
128462550,0sleep00-21swapper/021:33:410
291892530,1sleep229158-21sshd00:02:022
318562510,0sleep20-21swapper/222:13:592
31252510,1sleep13122-21lspci22:29:201
234322510,1sleep2311rcuc/200:31:492
171692510,0sleep20-21swapper/222:08:552
3262500,0sleep30-21swapper/321:32:193
297232500,0sleep30-21swapper/323:29:143
286832500,0sleep20-21swapper/200:07:302
250452500,1sleep325044-21sshd23:31:313
248312500,2sleep21364999cyclictest21:45:152
191322500,0sleep2311rcuc/221:34:232
166012500,0sleep20-21swapper/221:51:212
301102490,0sleep00-21swapper/023:56:340
282112490,1sleep3660-21avahi-daemon23:12:413
184292490,0sleep10-21swapper/123:36:261
169582490,0sleep1241ktimersoftd/122:49:441
44782480,0sleep30-21swapper/322:00:273
199192480,1sleep0101ktimersoftd/022:05:370
134502480,0sleep3391rcuc/321:12:293
52252470,0sleep10-21swapper/122:24:001
262652470,0sleep30-21swapper/300:01:473
306142440,0sleep20-21swapper/221:20:562
134622319,7sleep20-21swapper/219:09:042
134402308,7sleep00-21swapper/019:08:460
135652290,0sleep10-21swapper/123:22:241
133202287,7sleep30-21swapper/319:07:183
1317322514,7sleep10-21swapper/119:05:261
168592240,0sleep116856-21consoletype23:25:201
311032200,1sleep031096-21bash22:50:500
171702180,0sleep10-21swapper/121:34:101
137142180,2sleep01364699cyclictest00:06:130
112782180,0sleep10-21swapper/122:01:131
172002160,0sleep20-21swapper/222:46:562
167472160,0sleep30-21swapper/321:51:223
136642160,0sleep30-21swapper/323:44:163
84062150,0sleep10-21swapper/123:49:191
82232150,0sleep08219-21lspci23:16:250
63322150,0sleep10-21swapper/100:19:271
25052150,1sleep12503-21lspci22:42:591
232762150,0sleep20-21swapper/221:41:402
208272150,0sleep30-21swapper/322:44:333
13649991513,1cyclictest20387-21lspci22:50:002
12342150,0sleep00-21swapper/000:13:300
39892140,0sleep10-21swapper/121:53:321
298752140,0sleep00-21swapper/000:26:550
254462140,1sleep225444-21lspci22:55:532
154652140,0sleep20-21swapper/221:37:232
135072140,0sleep20-21swapper/223:55:132
180252130,0sleep018012-21sshd22:15:540
177472130,0sleep00-21swapper/023:39:090
142102130,0sleep114208-21bash00:20:071
1364699130,1cyclictest28604-21lspci21:45:390
1364699130,12cyclictest23289-21sshd00:31:490
120032130,0sleep311993-21bash23:38:403
307722120,0sleep10-21swapper/100:07:421
279292120,0sleep00-21swapper/021:20:270
13650991210,1cyclictest0-21swapper/322:22:113
1365099120,1cyclictest8585-21grepconf.sh23:57:323
1365099120,1cyclictest21163-21bash23:09:223
1365099120,11cyclictest642-21systemd-logind22:51:223
1365099120,11cyclictest0-21swapper/323:15:523
13649991210,1cyclictest9705-21sshd23:24:512
1364899120,1cyclictest28401-21lspci22:34:151
1364699120,1cyclictest0-21swapper/022:12:390
13650991110,0cyclictest0-21swapper/322:47:323
1365099110,10cyclictest0-21swapper/322:27:323
1365099110,10cyclictest0-21swapper/300:07:513
13649991110,0cyclictest0-21swapper/223:45:512
1364999110,10cyclictest0-21swapper/223:53:312
1364899119,1cyclictest674-21dbus-daemon21:16:051
1364899119,1cyclictest0-21swapper/122:51:341
1364899110,1cyclictest17270-21sshd21:37:351
1364899110,10cyclictest0-21swapper/121:43:151
1364899110,0cyclictest0-21swapper/122:05:151
1364699110,1cyclictest0-21swapper/022:43:390
1364699110,10cyclictest0-21swapper/023:13:090
1364699110,10cyclictest0-21swapper/022:38:390
1364699110,10cyclictest0-21swapper/021:13:380
1364699110,0cyclictest0-21swapper/022:56:190
1365099109,0cyclictest0-21swapper/321:26:223
1365099100,0cyclictest0-21swapper/323:02:513
1365099100,0cyclictest0-21swapper/321:40:223
1364999109,0cyclictest0-21swapper/223:42:002
1364999109,0cyclictest0-21swapper/221:19:212
1364999109,0cyclictest0-21swapper/200:19:312
1364999109,0cyclictest0-21swapper/200:10:212
1364999100,0cyclictest0-21swapper/223:27:312
1364999100,0cyclictest0-21swapper/223:15:402
1364899109,0cyclictest0-21swapper/123:09:351
1364899109,0cyclictest0-21swapper/122:14:241
1364899109,0cyclictest0-21swapper/121:00:151
1364899108,1cyclictest11103-21lspci23:57:441
1364899100,9cyclictest0-21swapper/123:18:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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