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2026-08-28 - 04:30
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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 Fri Aug 28, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750690,0irq/25-eth00-21swapper/119:05:181
120650630,0irq/26-eth1-rx-0-21swapper/319:06:133
9950530,0irq/24-0000:00:0-21swapper/019:06:060
120650450,0irq/26-eth1-rx-0-21swapper/219:05:462
872699180,0cyclictest19632-21sshd22:36:571
8728991615,0cyclictest0-21swapper/321:49:103
872599160,0cyclictest576-21diskmemload23:11:410
872799150,0cyclictest576-21diskmemload22:00:212
8726991511,0cyclictest576-21diskmemload22:34:231
872699150,0cyclictest0-21swapper/100:26:441
191150,0ktimersoftd/16198-21bash00:19:181
8727991413,0cyclictest0-21swapper/223:10:482
8727991413,0cyclictest0-21swapper/219:10:132
872799140,0cyclictest0-21swapper/220:00:142
872599141,0cyclictest0-21swapper/022:00:410
872599140,0cyclictest12501-21fw_conntrack22:10:130
351140,0ktimersoftd/30-21swapper/300:38:263
112750140,0irq/25-eth00-21swapper/021:30:220
8728991313,0cyclictest0-21swapper/323:07:363
8728991313,0cyclictest0-21swapper/323:07:353
8728991312,0cyclictest0-21swapper/322:14:163
8728991312,0cyclictest0-21swapper/321:41:573
8727991312,0cyclictest20927-21bash21:12:122
8727991312,0cyclictest0-21swapper/200:39:582
8727991312,0cyclictest0-21swapper/200:21:402
872799130,0cyclictest0-21swapper/223:53:192
872799130,0cyclictest0-21swapper/222:32:492
8726991312,0cyclictest7523-21sshd00:08:151
8726991312,0cyclictest32352-21sshd23:30:161
8726991312,0cyclictest19351-21bash00:31:511
8726991312,0cyclictest0-21swapper/122:19:381
8726991312,0cyclictest0-21swapper/121:28:531
8726991311,0cyclictest0-21swapper/123:02:311
872699130,0cyclictest576-21diskmemload00:23:001
8725991312,0cyclictest18613-21sshd21:22:550
8725991311,0cyclictest1522-21snmpd22:05:270
8725991311,0cyclictest0-21swapper/000:22:310
8725991310,0cyclictest30969-21sshd23:19:060
872599130,0cyclictest18774-21sshd00:28:060
872599130,0cyclictest0-21swapper/022:54:070
872599130,0cyclictest0-21swapper/021:55:550
872599130,0cyclictest0-21swapper/000:35:040
872599130,0cyclictest0-21swapper/000:04:030
41130,0ktimersoftd/00-21swapper/023:30:320
112750130,0irq/25-eth09318-21sshd22:46:580
112750130,0irq/25-eth022627-21sshd22:33:403
112750130,0irq/25-eth022618-21sshd00:10:023
112750130,0irq/25-eth020493-21sshd21:23:093
112750130,0irq/25-eth00-21swapper/322:24:363
112750130,0irq/25-eth00-21swapper/023:27:580
8728991211,0cyclictest15935-21sshd23:43:153
8728991211,0cyclictest0-21swapper/323:46:593
8728991211,0cyclictest0-21swapper/322:57:563
8728991211,0cyclictest0-21swapper/300:34:493
8728991210,0cyclictest0-21swapper/323:22:283
8728991210,0cyclictest0-21swapper/322:19:023
8728991210,0cyclictest0-21swapper/322:07:383
872899120,0cyclictest0-21swapper/322:37:513
872899120,0cyclictest0-21swapper/322:01:013
872899120,0cyclictest0-21swapper/321:30:213
872899120,0cyclictest0-21swapper/321:12:493
872899120,0cyclictest0-21swapper/320:00:133
872899120,0cyclictest0-21swapper/300:06:563
8727991212,0cyclictest112750irq/25-eth000:32:212
8727991211,0cyclictest18890-21sshd22:18:252
8727991211,0cyclictest11187-21bash23:02:002
8727991211,0cyclictest0-21swapper/223:40:052
8727991211,0cyclictest0-21swapper/222:22:502
8727991211,0cyclictest0-21swapper/221:53:132
8727991210,0cyclictest4481-21sshd23:38:142
872799120,0cyclictest29786-21sshd22:08:332
872799120,0cyclictest0-21swapper/222:35:192
872799120,0cyclictest0-21swapper/221:31:502
872799120,0cyclictest0-21swapper/219:50:192
872799120,0cyclictest0-21swapper/219:50:182
8726991212,0cyclictest0-21swapper/122:14:531
8726991211,0cyclictest28516-21sshd00:14:241
8726991210,0cyclictest0-21swapper/122:24:251
8726991210,0cyclictest0-21swapper/121:52:071
872699120,0cyclictest0-21swapper/121:56:521
872699120,0cyclictest0-21swapper/121:12:091
8725991211,0cyclictest5525-21sshd23:56:510
8725991211,0cyclictest21044-21sshd23:55:000
8725991211,0cyclictest0-21swapper/023:06:540
8725991211,0cyclictest0-21swapper/023:06:540
8725991211,0cyclictest0-21swapper/022:27:240
872599120,0cyclictest0-21swapper/023:45:420
872599120,0cyclictest0-21swapper/022:58:040
872599120,0cyclictest0-21swapper/021:38:160
41120,0ktimersoftd/00-21swapper/021:18:100
351120,0ktimersoftd/30-21swapper/321:36:513
112750120,0irq/25-eth00-21swapper/323:55:403
112750120,0irq/25-eth00-21swapper/223:28:002
872899119,0cyclictest0-21swapper/320:30:533
8728991111,0cyclictest0-21swapper/319:15:293
8728991110,0cyclictest28018-21sshd23:29:523
8728991110,0cyclictest0-21swapper/320:49:283
8728991110,0cyclictest0-21swapper/319:45:003
872899110,0cyclictest0-21swapper/323:52:323
872899110,0cyclictest0-21swapper/322:28:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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