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2026-03-25 - 12:57
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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 rack5slot0.osadl.org (updated Wed Mar 25, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2262121430,0sleep022620-21sshd00:10:450
1426721380,3sleep12547399cyclictest23:48:461
1247421210,1sleep22547499cyclictest21:27:212
1550421190,2sleep30-21swapper/300:13:403
1485121030,2sleep10-21swapper/123:38:111
25200210232,40sleep10-21swapper/119:09:501
131822990,1sleep02024-21nfsd21:13:370
78162980,0sleep00-21swapper/022:57:310
37432940,1sleep30-21swapper/322:46:243
157702920,1sleep30-21swapper/300:24:433
32242900,3sleep10-21swapper/123:16:031
247962880,3sleep20-21swapper/222:30:042
244132870,3sleep32547599cyclictest23:39:233
128342870,1sleep30-21swapper/319:50:213
291882860,2sleep129186-21sshd21:11:331
84342850,1sleep08-21rcu_preempt22:06:020
314272850,0sleep00-21swapper/021:19:140
281962840,2sleep228178-21sshd21:22:122
261122840,1sleep226116-21cpuspeed_turbos21:15:112
2496028332,47sleep30-21swapper/319:06:473
19452830,2sleep30-21swapper/323:26:193
154942820,1sleep30-21swapper/323:17:263
86012800,0sleep00-21swapper/021:38:130
19802800,0sleep00-21swapper/023:43:590
196622780,1sleep30-21swapper/321:46:293
94192770,2sleep19418-21sshd00:27:291
9322760,1sleep0931-21sshd21:33:240
212722750,0sleep00-21swapper/021:50:100
244682730,1sleep00-21swapper/023:35:380
48742720,1sleep20-21swapper/223:01:062
24752720,2sleep10-21swapper/121:26:161
265172690,4sleep32547599cyclictest00:15:053
292042680,5sleep32547599cyclictest22:01:243
15842670,1sleep00-21swapper/021:44:420
2485425432,9sleep20-21swapper/219:05:382
2509524632,11sleep00-21swapper/019:08:280
278662350,2sleep30-21swapper/322:22:243
282232340,2sleep10-21swapper/122:11:361
147862320,2sleep20-21swapper/200:31:312
55352270,3sleep20-21swapper/221:30:052
109472260,2sleep210949-21needreboot23:55:192
323782250,2sleep132374-21sshd23:12:191
145242240,4sleep30-21swapper/322:50:573
121932240,0sleep00-21swapper/022:32:270
277832230,3sleep20-21swapper/223:36:012
212172230,2sleep00-21swapper/023:28:300
178302230,2sleep32512-21runrttasks21:10:153
142062230,1sleep00-21swapper/021:59:530
103262230,2sleep10-21swapper/122:36:081
72042221,19sleep3144650irq/27-eth023:05:253
262652221,19sleep1144650irq/27-eth022:52:161
25475992220,1cyclictest0-21swapper/300:37:483
233492220,3sleep20-21swapper/222:51:572
147672221,19sleep128950irq/26-ahci[00022:24:551
61552210,3sleep20-21swapper/221:58:552
286472210,2sleep128645-21sshd22:45:341
245552210,1sleep20-21swapper/200:36:242
227942210,2sleep12512-21runrttasks00:32:261
212772210,2sleep30-21swapper/321:35:433
56442200,2sleep35645-21sshd23:58:183
305532200,1sleep20-21swapper/222:05:042
268032200,1sleep10-21swapper/122:08:031
2547599205,13cyclictest9625-21aten_r5power_fr22:40:123
2547599200,4cyclictest24077-21bash22:14:403
89732190,0sleep38972-21sort19:45:003
190912190,2sleep119093-21sshd00:35:471
25475991812,5cyclictest26519-21bash21:43:523
202592180,16sleep1144650irq/27-eth022:33:301
197532180,16sleep1144650irq/27-eth021:24:481
25475991712,4cyclictest21341-21sshd22:25:313
2547599170,4cyclictest467-21sshd21:15:533
2547599170,15cyclictest1743-21sshd22:35:123
2547399178,4cyclictest10525-21sshd23:23:521
2547399177,5cyclictest25195-21sshd00:21:511
25473991714,2cyclictest0-21swapper/121:51:401
25473991712,4cyclictest4740-21bash21:45:011
2547399170,11cyclictest28401-21hddtemp_smartct23:50:141
2547299170,16cyclictest30220-21sshd23:08:230
2547299170,16cyclictest0-21swapper/000:32:040
237102170,15sleep3144650irq/27-eth021:32:113
12262170,15sleep1144650irq/27-eth021:37:191
321352162,12sleep3144650irq/27-eth023:00:283
304372160,14sleep3144650irq/27-eth023:53:583
2547599167,4cyclictest10950irq/23-ehci_hcd23:12:463
2547599166,8cyclictest0-21swapper/300:30:153
2547599166,5cyclictest0-21swapper/321:50:293
25475991612,3cyclictest0-21swapper/322:58:033
25475991611,4cyclictest1475-21rm22:08:493
2547599160,7cyclictest0-21swapper/320:50:123
2547599160,14cyclictest0-21swapper/321:26:113
2547599160,11cyclictest0-21swapper/321:23:463
2547499162,13cyclictest17159-21sshd00:24:532
25474991613,2cyclictest0-21swapper/223:05:362
25474991612,3cyclictest6691-21bash21:48:382
2547499160,3cyclictest24945-21sshd22:11:142
2547499160,15cyclictest14290-21sshd23:13:542
2547399168,3cyclictest0-21swapper/122:18:481
2547399166,0cyclictest0-21swapper/121:58:291
2547399161,11cyclictest0-21swapper/100:19:211
2547399160,12cyclictest0-21swapper/121:15:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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