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2026-08-29 - 03:55
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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 rack3slot0.osadl.org (updated Sat Aug 29, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
190432950,1sleep125-21ksoftirqd/122:38:151
83312570,1sleep6758-21runrttasks23:05:196
12762520,0sleep00-21swapper/022:20:440
336425026,8sleep10-21swapper/119:02:501
194622490,0sleep219459-21systemd-cgroups21:43:132
194622490,0sleep219459-21systemd-cgroups21:43:132
14782490,0sleep40-21swapper/400:25:584
142302490,0sleep60-21swapper/621:26:276
270962480,11sleep685150irq/25-em1-rx-000:27:286
65192470,0sleep60-21swapper/600:33:376
65192470,0sleep60-21swapper/600:33:376
341024725,8sleep20-21swapper/219:03:312
221532460,1sleep522152-21sshd00:05:095
221072460,0sleep00-21swapper/023:15:140
275782450,1sleep125-21ksoftirqd/122:15:001
241772450,0sleep00-21swapper/021:27:010
138632450,0sleep20-21swapper/222:03:162
62972440,0sleep40-21swapper/400:04:114
62372440,0sleep60-21swapper/621:59:116
280732440,0sleep30-21swapper/321:38:103
236082440,0sleep123609-21sshd23:26:201
14602440,0sleep70-21swapper/722:02:327
6212430,0sleep20-21swapper/200:27:482
295072430,0sleep20-21swapper/222:29:432
259822430,0sleep00-21swapper/000:01:350
224092430,0sleep70-21swapper/723:20:417
156312430,0sleep70-21swapper/722:12:267
230692420,0sleep00-21swapper/022:45:420
38192410,0sleep70-21swapper/721:49:437
38192410,0sleep70-21swapper/721:49:437
344624129,8sleep70-21swapper/719:04:007
325924129,8sleep30-21swapper/319:01:243
267342410,0sleep40-21swapper/422:57:004
206372410,0sleep420632-21sshd22:34:414
161422410,0sleep20-21swapper/222:08:522
343624028,8sleep60-21swapper/619:03:516
320924027,9sleep40-21swapper/419:00:444
175962400,0sleep20-21swapper/223:40:472
325223927,9sleep50-21swapper/519:01:185
322023926,9sleep00-21swapper/019:00:480
251822390,0sleep30-21swapper/322:51:223
191872390,0sleep60-21swapper/600:21:286
191872390,0sleep60-21swapper/600:21:286
95822380,0sleep00-21swapper/023:49:420
122482380,0sleep50-21swapper/523:42:265
112892370,0sleep20-21swapper/222:50:332
266912330,0sleep6631rcuc/621:41:416
266912330,0sleep6631rcuc/621:41:416
157572270,0sleep40-21swapper/423:48:104
189092260,0sleep70-21swapper/723:48:217
373499240,10cyclictest16489-21bash22:45:251
50862230,0sleep40-21swapper/422:08:144
373699225,1cyclictest41-21ksoftirqd/321:55:253
373499220,7cyclictest4810-21grep22:26:251
373499220,7cyclictest0-21swapper/122:42:231
373499220,7cyclictest0-21swapper/122:42:231
172302220,1sleep617228-21sshd21:48:386
172302220,1sleep617228-21sshd21:48:386
373699215,3cyclictest41-21ksoftirqd/323:56:103
373699212,2cyclictest41-21ksoftirqd/322:40:123
373699212,2cyclictest41-21ksoftirqd/322:40:123
3736992111,1cyclictest41-21ksoftirqd/300:15:473
3736992110,3cyclictest41-21ksoftirqd/322:35:113
373499210,9cyclictest31512-21id00:13:011
373499210,9cyclictest31512-21id00:13:011
373499210,9cyclictest13183-21grepconf.sh23:40:311
373499210,8cyclictest15377-21grep23:12:591
373499210,7cyclictest1-21systemd21:23:041
373499210,7cyclictest0-21swapper/123:54:091
373499210,7cyclictest0-21swapper/122:54:291
373499210,10cyclictest594-21sd-pam21:36:351
373499210,10cyclictest4610-21bash21:53:251
373499210,10cyclictest31637-21bash23:56:251
373699206,1cyclictest41-21ksoftirqd/321:46:523
373699206,1cyclictest41-21ksoftirqd/321:46:523
3736992017,1cyclictest41-21ksoftirqd/321:24:213
373499203,7cyclictest721-21dbus-daemon00:20:551
373499203,7cyclictest721-21dbus-daemon00:20:551
373499200,9cyclictest4825-21sshd00:02:141
373499200,9cyclictest18010-21sshd23:37:121
373499200,9cyclictest18010-21sshd23:37:121
373499200,9cyclictest14510-21grepconf.sh21:31:561
373499200,8cyclictest859-21gdbus22:23:571
373499200,8cyclictest20059-21id00:08:391
373499200,12cyclictest30533-21kill22:02:211
373499200,10cyclictest4085-21sshd21:47:521
373499200,10cyclictest4085-21sshd21:47:521
373499200,10cyclictest22752-21bash21:41:281
373499200,10cyclictest22752-21bash21:41:281
373499200,10cyclictest13260-21grep00:34:011
373499200,10cyclictest13260-21grep00:34:011
3745991914,3cyclictest73-21ksoftirqd/722:07:587
373699194,2cyclictest41-21ksoftirqd/321:10:493
3736991914,3cyclictest41-21ksoftirqd/322:28:393
373499193,9cyclictest25222-21grep22:56:541
373499191,7cyclictest1-21systemd22:09:301
373499190,9cyclictest721-21dbus-daemon21:56:121
373499190,9cyclictest721-21dbus-daemon21:06:141
373499190,9cyclictest15981-21grepconf.sh00:17:401
373499190,8cyclictest24629-21grep21:28:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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