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2026-04-22 - 08:13
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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 Apr 22, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
177392990,2sleep175850irq/25-eno1-tx-23:56:441
275942960,2sleep12139299cyclictest00:36:461
261092690,0sleep10-21swapper/100:31:021
311762630,1sleep031166-21sshd21:35:330
96042620,0sleep20-21swapper/221:50:202
31992570,0sleep10-21swapper/123:41:311
228052570,1sleep2311rcuc/223:26:252
160472570,0sleep216046-21bash23:14:432
158702560,2sleep22139799cyclictest22:30:012
92492550,0sleep20-21swapper/222:40:312
4252550,0sleep1426-21sshd23:10:301
265542550,2sleep12139299cyclictest00:00:171
306102540,1sleep230563-21sshd22:03:222
51702510,0sleep00-21swapper/021:13:420
314402510,0sleep20-21swapper/222:45:162
163492500,0sleep10-21swapper/100:24:401
114212500,0sleep00-21swapper/021:33:560
78952490,1sleep1231rcuc/121:41:541
57562490,0sleep00-21swapper/000:29:200
56232490,2sleep32140199cyclictest21:44:323
46052490,0sleep00-21swapper/022:03:570
39452490,0sleep10-21swapper/122:06:371
288232490,0sleep10-21swapper/122:00:201
191572490,0sleep30-21swapper/323:00:563
154542490,1sleep09-21ksoftirqd/000:38:330
109792490,0sleep30-21swapper/322:43:323
297252480,0sleep10-21swapper/123:32:371
216132450,0sleep20-21swapper/223:51:292
93242410,1sleep29327-21grep22:35:032
1949624023,11sleep30-21swapper/319:05:123
317082370,1sleep231661-21sshd23:18:522
231362370,1sleep323135-21sshd23:15:173
137432370,1sleep09-21ksoftirqd/022:07:280
98322360,1sleep09834-21bash21:58:470
210862287,6sleep20-21swapper/219:07:312
1948422817,7sleep10-21swapper/119:05:021
2099822210,7sleep00-21swapper/019:06:250
82612200,0sleep30-21swapper/322:04:153
58222200,0sleep20-21swapper/223:47:202
305732200,0sleep00-21swapper/023:13:090
23262180,0sleep20-21swapper/221:44:152
277432170,0sleep10-21swapper/123:54:521
224622170,1sleep3674-21dbus-daemon23:40:203
2138599170,1cyclictest6356-21lspci23:02:390
144262170,0sleep30-21swapper/323:39:443
136182170,1sleep313616-21sshd22:35:203
81902160,0sleep30-21swapper/323:50:183
2138599168,4cyclictest674-21dbus-daemon19:25:000
133362160,1sleep213335-21sshd22:07:262
58712150,0sleep20-21swapper/200:20:522
2138599150,1cyclictest699-21gdbus21:44:580
147882150,0sleep00-21swapper/022:21:300
138022150,0sleep00-21swapper/021:53:350
124352150,0sleep20-21swapper/221:39:352
91272140,0sleep00-21swapper/022:48:580
297772140,0sleep00-21swapper/021:24:390
21401991411,2cyclictest699-21gdbus22:10:433
21397991412,1cyclictest0-21swapper/221:45:572
2138599149,4cyclictest21005-21lspci22:55:290
9072130,0sleep00-21swapper/023:35:400
246342130,0sleep30-21swapper/322:47:293
21401991311,1cyclictest710-21NetworkManager21:32:233
21401991311,1cyclictest29341-21sshd23:46:333
2138599139,3cyclictest0-21swapper/023:50:390
18272130,0sleep30-21swapper/321:13:163
299022120,0sleep20-21swapper/222:11:402
21401991210,1cyclictest18670-21smartctl20:20:133
2140199120,11cyclictest16660-21lspci23:28:443
2140199120,11cyclictest0-21swapper/322:31:533
21397991211,0cyclictest0-21swapper/221:55:562
21397991210,1cyclictest19853-21sshd23:34:362
2139799120,1cyclictest1073-21nfsd00:03:462
2139799120,1cyclictest0-21swapper/222:22:062
2139299120,1cyclictest674-21dbus-daemon23:00:501
2139299120,1cyclictest370-21jbd2/sda1-800:25:201
2138599128,3cyclictest0-21swapper/023:18:290
2138599126,1cyclictest674-21dbus-daemon23:30:090
2138599126,1cyclictest660-21avahi-daemon00:00:420
2138599125,2cyclictest660-21avahi-daemon21:27:400
2138599120,7cyclictest5970-21sshd00:20:530
2138599120,1cyclictest6838-21sshd22:12:290
180542120,0sleep018056-21lspci22:30:110
2140199119,1cyclictest32240-21sshd21:28:533
2140199119,1cyclictest12027-21bash23:31:033
21401991110,0cyclictest0-21swapper/323:06:233
2140199110,1cyclictest32635-21sshd00:12:033
2140199110,10cyclictest5083-21sshd22:17:533
2140199110,10cyclictest0-21swapper/322:55:133
21397991110,0cyclictest0-21swapper/200:06:262
21392991110,0cyclictest0-21swapper/100:11:201
2139299110,10cyclictest0-21swapper/122:56:501
2139299110,10cyclictest0-21swapper/121:49:001
2138599119,1cyclictest0-21swapper/023:25:290
2138599118,2cyclictest0-21swapper/023:24:190
2138599115,1cyclictest660-21avahi-daemon22:52:560
2138599115,1cyclictest660-21avahi-daemon22:28:510
2138599114,2cyclictest674-21dbus-daemon21:48:430
2138599114,2cyclictest660-21avahi-daemon23:41:210
2138599114,1cyclictest674-21dbus-daemon23:45:390
2138599114,1cyclictest660-21avahi-daemon23:09:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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