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2026-03-15 - 08:40
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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 Sun Mar 15, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
176782840,0sleep117679-21sshd22:40:301
198112610,1sleep3649-21polkitd21:33:323
48432600,0sleep00-21swapper/000:24:030
197362550,0sleep20-21swapper/223:13:442
127422550,0sleep20-21swapper/222:48:242
64072540,0sleep20-21swapper/222:36:512
231432540,1sleep023135-21sshd23:41:290
199282520,0sleep10-21swapper/123:08:141
170292520,1sleep233-21ksoftirqd/223:07:592
26022510,0sleep00-21swapper/021:59:240
30482500,0sleep33032-21sshd21:59:273
263802500,0sleep10-21swapper/123:50:031
219622500,0sleep00-21swapper/022:43:420
43722490,0sleep04367-21bash22:20:150
299652490,0sleep30-21swapper/322:22:263
157032490,0sleep20-21swapper/222:00:422
244142480,0sleep024406-21bash00:14:430
232622480,0sleep20-21swapper/221:54:412
181832480,0sleep30-21swapper/321:47:093
79282470,0sleep10-21swapper/122:13:511
54622470,0sleep2321ktimersoftd/223:56:302
318112470,0sleep30-21swapper/323:58:483
107152470,0sleep00-21swapper/021:39:290
317672460,0sleep20-21swapper/221:41:412
159202460,0sleep20-21swapper/222:26:412
111322460,0sleep20-21swapper/223:35:022
312832440,0sleep20-21swapper/223:22:582
187652440,0sleep00-21swapper/023:10:500
2156024331,7sleep30-21swapper/319:06:373
284812400,1sleep0710-21NetworkManager22:35:570
2147224028,7sleep00-21swapper/019:05:340
60972350,0sleep10-21swapper/123:40:061
209382340,1sleep220939-21bash23:49:362
209382340,1sleep220939-21bash23:49:362
161072260,0sleep20-21swapper/200:25:012
2173622419,3sleep10-21swapper/119:08:521
198602240,0sleep319851-21sshd22:49:013
142492240,18sleep375750irq/24-eno1-rx-00:00:033
71012220,0sleep10-21swapper/122:17:111
20172220,1sleep02014-21lspci22:33:440
209272218,7sleep20-21swapper/219:05:162
279542190,0sleep10-21swapper/121:37:501
201802180,0sleep30-21swapper/300:08:483
183082180,0sleep30-21swapper/323:21:513
170652170,1sleep217061-21sshd22:40:272
164442170,2sleep02193899cyclictest22:04:210
61852160,0sleep20-21swapper/223:18:042
225632160,1sleep322547-21sshd22:40:563
19772160,1sleep31976-21gltestperf22:50:143
164932160,1sleep016489-21lspci00:08:290
315022150,0sleep30-21swapper/322:05:533
21938991514,0cyclictest1045-21lspci22:47:230
110472150,0sleep30-21swapper/323:07:283
304912140,1sleep0111rcuc/020:46:190
21938991414,0cyclictest527-40kipmi023:27:350
215852140,0sleep20-21swapper/200:06:072
184022140,1sleep2311rcuc/221:33:232
166292140,0sleep0111rcuc/023:05:130
111762140,0sleep00-21swapper/022:17:380
244222130,0sleep30-21swapper/322:38:243
2194799130,11cyclictest0-21swapper/223:27:012
21944991311,1cyclictest28238-21lspci23:17:101
21938991312,0cyclictest14815-21lspci21:28:000
21938991312,0cyclictest1002-21snmpd21:19:570
2193899130,12cyclictest0-21swapper/000:00:150
176202130,2sleep22194799cyclictest21:17:212
11792130,0sleep00-21swapper/023:58:560
21948991210,1cyclictest23152-21sshd23:44:183
21948991210,1cyclictest0-21swapper/321:18:193
2194899120,1cyclictest4530-21sshd23:28:583
21947991210,1cyclictest19355-21lspci22:51:412
2194799120,1cyclictest860-21cstates20:55:112
2194799120,1cyclictest27021-21lspci23:03:212
2194499120,1cyclictest642-21systemd-logind00:17:541
2193899120,1cyclictest710-21NetworkManager23:22:250
2193899120,11cyclictest0-21swapper/022:25:050
2194899119,1cyclictest30833-21sshd23:33:583
2194899110,10cyclictest0-21swapper/323:49:393
2194899110,10cyclictest0-21swapper/323:49:383
2194799119,1cyclictest6089-21lspci22:58:522
2194799110,10cyclictest0-21swapper/200:33:412
2194799110,0cyclictest0-21swapper/221:47:412
2194799110,0cyclictest0-21swapper/200:23:512
2194499119,1cyclictest0-21swapper/122:20:351
2194499110,10cyclictest1-21systemd23:45:341
2194499110,10cyclictest1-21systemd23:45:341
2194499110,10cyclictest0-21swapper/123:32:341
2194499110,10cyclictest0-21swapper/119:40:141
2194499110,10cyclictest0-21swapper/100:30:241
21938991110,0cyclictest21555-21strings20:25:150
21938991110,0cyclictest0-21swapper/000:30:150
2193899110,10cyclictest0-21swapper/022:57:450
2193899110,10cyclictest0-21swapper/022:50:350
2194899109,0cyclictest0-21swapper/323:37:483
2194899109,0cyclictest0-21swapper/322:33:293
2194899109,0cyclictest0-21swapper/321:53:183
2194899109,0cyclictest0-21swapper/300:27:383
2194899109,0cyclictest0-21swapper/300:16:383
2194899109,0cyclictest0-21swapper/300:11:183
2194899108,1cyclictest20057-21sshd21:36:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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