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2026-04-19 - 02:24
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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 rack7slot0.osadl.org (updated Sun Apr 19, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650680,0irq/26-eth1-rx-0-21swapper/319:05:243
112750590,0irq/25-eth00-21swapper/119:08:041
120650580,0irq/26-eth1-rx-0-21swapper/219:08:312
1757723722,0sleep00-21swapper/019:06:510
17907991716,0cyclictest29032-21sshd23:08:051
17909991514,0cyclictest0-21swapper/322:58:373
17909991411,0cyclictest0-21swapper/322:29:013
17907991413,0cyclictest0-21swapper/122:27:321
17907991413,0cyclictest0-21swapper/100:03:351
1790799140,0cyclictest0-21swapper/100:10:121
17909991313,0cyclictest7325-21sshd22:47:563
17909991312,0cyclictest0-21swapper/323:53:283
17909991312,0cyclictest0-21swapper/300:34:073
17909991311,0cyclictest0-21swapper/300:13:473
17908991312,0cyclictest0-21swapper/200:03:392
1790899130,0cyclictest0-21swapper/223:59:572
1790899130,0cyclictest0-21swapper/223:25:472
1790899130,0cyclictest0-21swapper/200:07:222
17907991312,0cyclictest9813-21diskmemload00:16:291
17907991312,0cyclictest0-21swapper/122:03:211
17907991310,0cyclictest9813-21diskmemload22:06:521
1790799130,0cyclictest9813-21diskmemload23:39:181
1790799130,0cyclictest17806-21sshd22:53:401
1790799130,0cyclictest1643-21sshd23:56:101
1790799130,0cyclictest0-21swapper/121:28:031
17906991312,0cyclictest17580-21sshd22:10:260
17906991312,0cyclictest17580-21sshd22:10:260
17906991312,0cyclictest0-21swapper/000:19:150
1790699130,0cyclictest4514-21sshd22:17:250
1790699130,0cyclictest0-21swapper/023:49:180
1790699130,0cyclictest0-21swapper/021:26:110
1790699130,0cyclictest0-21swapper/000:32:240
112750130,0irq/25-eth00-21swapper/123:01:051
41120,0ktimersoftd/00-21swapper/023:16:250
2599120,0migration/25363-21bash00:18:242
17909991212,0cyclictest0-21swapper/323:36:363
17909991211,0cyclictest0-21swapper/323:18:163
17909991211,0cyclictest0-21swapper/300:26:403
17909991210,0cyclictest0-21swapper/300:00:533
1790999120,0cyclictest27621-21bash00:08:203
1790999120,0cyclictest22816-21bash23:46:013
1790999120,0cyclictest0-21swapper/321:36:583
1790999120,0cyclictest0-21swapper/321:26:163
17908991211,0cyclictest21982-21sshd00:20:312
17908991211,0cyclictest0-21swapper/223:09:382
17908991211,0cyclictest0-21swapper/200:33:382
1790899120,0cyclictest19422-21id23:02:262
1790899120,0cyclictest0-21swapper/223:15:072
1790899120,0cyclictest0-21swapper/222:56:592
1790899120,0cyclictest0-21swapper/222:04:422
1790899120,0cyclictest0-21swapper/221:57:442
1790899120,0cyclictest0-21swapper/200:26:112
17907991211,0cyclictest21476-21sshd22:24:021
17907991211,0cyclictest0-21swapper/100:20:131
17907991210,0cyclictest19745-21sshd00:33:201
1790799120,0cyclictest0-21swapper/121:51:101
1790799120,0cyclictest0-21swapper/100:37:031
17906991211,0cyclictest0-21swapper/021:56:300
17906991210,0cyclictest0-21swapper/022:55:440
17906991210,0cyclictest0-21swapper/000:11:500
1790699120,0cyclictest17277-21sshd00:28:410
1790699120,0cyclictest0-21swapper/023:43:360
1790699120,0cyclictest0-21swapper/023:12:070
1790699120,0cyclictest0-21swapper/021:54:450
1790699120,0cyclictest0-21swapper/021:35:070
1790699120,0cyclictest0-21swapper/021:15:430
1790699120,0cyclictest0-21swapper/020:31:560
112750120,0irq/25-eth00-21swapper/323:20:483
41110,0ktimersoftd/03755-21sshd00:35:220
41110,0ktimersoftd/032695-21sshd23:55:580
41110,0ktimersoftd/020904-21sshd23:32:520
271110,0ktimersoftd/29813-21diskmemload22:14:282
271110,0ktimersoftd/29813-21diskmemload22:14:282
17909991111,0cyclictest11064-21sshd23:27:133
17909991111,0cyclictest0-21swapper/322:10:053
17909991111,0cyclictest0-21swapper/322:10:043
17909991111,0cyclictest0-21swapper/321:40:273
17909991110,0cyclictest0-21swapper/300:22:583
17909991110,0cyclictest0-21swapper/300:19:153
1790899119,0cyclictest0-21swapper/222:25:242
17908991111,0cyclictest0-21swapper/223:37:102
17908991111,0cyclictest0-21swapper/221:29:102
17908991110,0cyclictest9813-21diskmemload22:23:382
17908991110,0cyclictest30278-21sshd21:38:062
17908991110,0cyclictest22366-21bash21:11:302
17908991110,0cyclictest0-21swapper/221:30:542
17908991110,0cyclictest0-21swapper/220:21:402
1790899110,0cyclictest0-21swapper/220:49:402
1790899110,0cyclictest0-21swapper/219:44:092
17907991111,0cyclictest0-21swapper/119:40:151
17907991110,0cyclictest0-21swapper/123:50:271
17907991110,0cyclictest0-21swapper/123:46:451
17907991110,0cyclictest0-21swapper/123:31:391
17907991110,0cyclictest0-21swapper/123:25:571
17907991110,0cyclictest0-21swapper/121:56:231
17907991110,0cyclictest0-21swapper/121:40:281
17907991110,0cyclictest0-21swapper/121:31:321
17906991111,0cyclictest9813-21diskmemload23:06:400
17906991111,0cyclictest0-21swapper/023:37:540
17906991111,0cyclictest0-21swapper/022:34:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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