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2025-06-14 - 21:47
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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 Sat Jun 14, 2025 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137332920,0sleep01215999cyclictest10:17:540
25862890,0sleep20-21swapper/209:34:112
8182800,1sleep1816-21lspci10:06:381
8182800,1sleep1816-21lspci10:06:371
114312640,1sleep00-21swapper/011:45:330
61062580,0sleep20-21swapper/209:27:572
58712580,0sleep10-21swapper/110:33:581
30132580,0sleep10-21swapper/111:56:121
238422580,1sleep123830-21sshd10:42:261
19152570,0sleep10-21swapper/109:10:021
283352560,0sleep10-21swapper/112:32:241
280682530,1sleep028067-21grep09:19:580
246352520,0sleep30-21swapper/311:40:553
276632510,0sleep00-21swapper/012:01:120
209622510,0sleep2311rcuc/210:05:182
209622510,0sleep2311rcuc/210:05:182
105812510,0sleep20-21swapper/212:02:332
117482500,0sleep00-21swapper/011:11:060
4032490,0sleep30-21swapper/310:33:233
265462490,0sleep30-21swapper/311:46:573
207822490,0sleep20-21swapper/212:28:572
168482490,0sleep00-21swapper/010:21:300
54892470,0sleep21-21systemd11:45:082
285602470,0sleep20-21swapper/209:59:382
174062470,2sleep01215999cyclictest09:29:070
171642460,0sleep10-21swapper/109:35:331
113212460,0sleep00-21swapper/010:51:100
1175723934,3sleep10-21swapper/107:06:181
316872380,2sleep11216699cyclictest11:23:281
109502380,1sleep010948-21bash09:21:470
281862350,0sleep31218299cyclictest11:19:453
116852297,7sleep00-21swapper/007:05:250
118602287,7sleep30-21swapper/307:07:363
21332240,0sleep32136-21bash11:50:253
18722230,1sleep1646-21dbus-daemon09:17:111
149282230,0sleep30-21swapper/312:11:253
286022210,0sleep20-21swapper/212:09:502
118522219,7sleep20-21swapper/207:07:312
70482190,1sleep17046-21lspci10:17:111
203242190,0sleep00-21swapper/010:42:050
12159991817,0cyclictest12921-21lspci11:18:090
296722170,0sleep30-21swapper/310:09:363
296722170,0sleep30-21swapper/310:09:353
259702170,0sleep00-21swapper/010:02:360
157332170,0sleep1231rcuc/111:51:391
87572160,0sleep00-21swapper/011:56:430
62282160,1sleep06222-21lspci09:57:150
312382160,1sleep131240-21bash11:06:331
182452160,0sleep30-21swapper/312:37:123
258442150,0sleep10-21swapper/110:49:231
209592150,0sleep0111rcuc/010:08:410
209592150,0sleep0111rcuc/010:08:400
190842150,1sleep319086-21bash09:42:213
173152150,1sleep00-21swapper/012:22:580
3032140,0sleep332767-21lspci11:38:473
275632140,0sleep027566-21bash09:39:570
27242140,0sleep30-21swapper/309:37:233
221632140,0sleep00-21swapper/010:28:550
215552140,0sleep3391rcuc/309:55:313
211712140,0sleep3401ktimersoftd/311:55:023
287642130,0sleep10-21swapper/110:52:591
285742130,0sleep128580-21timerandwakeup09:05:221
12159991312,0cyclictest523-40kipmi012:36:020
12159991312,0cyclictest24492-21lspci10:59:160
205092120,0sleep30-21swapper/309:29:263
12182991210,1cyclictest2407-21lspci10:00:143
1218299120,1cyclictest8371-21lspci11:33:253
12173991210,1cyclictest616-17auditd10:02:522
1217399120,11cyclictest5367-21sshd11:07:122
1217399120,11cyclictest23958-21lspci12:17:522
1217399120,11cyclictest0-21swapper/209:24:522
12166991210,1cyclictest618-13audispd12:01:281
1216699120,1cyclictest17490-21lspci10:11:371
1216699120,11cyclictest646-21dbus-daemon12:10:371
1216699120,11cyclictest26476-21lspci12:23:471
1216699120,11cyclictest10510-21bash11:10:571
1215999121,3cyclictest131rcu_sched09:43:260
12159991211,0cyclictest1956-21lspci09:10:020
12159991210,1cyclictest1-21systemd12:15:170
1215999120,3cyclictest131rcu_sched12:11:110
1215999120,1cyclictest26224-21lspci09:49:370
1215999120,11cyclictest18035-21bash11:28:170
1215999120,11cyclictest0-21swapper/011:37:380
1218299119,1cyclictest12816-21lspci09:18:193
1218299110,0cyclictest0-21swapper/311:05:053
12173991110,0cyclictest0-21swapper/209:12:422
1217399110,0cyclictest0-21swapper/212:34:522
1216699119,1cyclictest700-21gdbus09:45:181
12166991110,0cyclictest0-21swapper/112:07:471
12166991110,0cyclictest0-21swapper/109:33:281
1216699110,0cyclictest0-21swapper/111:49:481
1216699110,0cyclictest0-21swapper/109:25:071
1216699110,0cyclictest0-21swapper/108:15:171
12159991110,0cyclictest9664-21lspci10:10:480
12159991110,0cyclictest19555-21lspci10:38:430
1215999110,10cyclictest0-21swapper/012:32:170
77972100,0sleep20-21swapper/211:50:562
1218299109,0cyclictest0-21swapper/312:28:343
1218299108,1cyclictest16598-21sshd12:22:543
1218299100,9cyclictest12454-21sshd10:17:473
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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