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2026-07-02 - 23:56
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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 highest latencies:
System rack6slot5.osadl.org (updated Thu Jul 02, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3051899106865612,5072cyclictest24609-21kworker/0:107:12:410
305189982314135,4054cyclictest24609-21kworker/0:107:29:390
305189981864430,3741cyclictest24609-21kworker/0:108:07:320
305189980534353,3686cyclictest24609-21kworker/0:107:23:230
305189975053804,3691cyclictest24609-21kworker/0:107:49:580
305189974423732,3659cyclictest24609-21kworker/0:108:03:510
305189962843403,2870cyclictest24609-21kworker/0:107:15:510
305189962653398,2863cyclictest24609-21kworker/0:107:31:140
305189951625115,34cyclictest24609-21kworker/0:107:38:010
299962778184,204sleep00-21swapper07:06:180
305189950216,426cyclictest0-21swapper09:01:500
305189946527,424cyclictest15444-21ssh10:27:020
305189946229,247cyclictest12273-21df_abs11:30:370
305189946068,210cyclictest4345-21sendmail-mta09:11:210
305189945825,363cyclictest23564-21ssh09:35:380
305189945585,187cyclictest20464-21ssh11:48:150
305189945318,422cyclictest29769-21ssh10:58:590
305189944667,365cyclictest0-21swapper11:44:440
305189944660,201cyclictest21563-21ssh11:50:390
305189943961,365cyclictest0-21swapper11:04:040
305189943768,195cyclictest0-21swapper09:21:510
305189943487,347cyclictest0-21swapper10:19:280
305189943360,189cyclictest0-21swapper12:32:360
305189943067,179cyclictest29379-21ssh12:06:380
305189942966,178cyclictest6427-21ssh11:17:400
305189942867,300cyclictest25223-21ssh10:49:210
305189942031,375cyclictest16997-21awk10:30:460
305189941634,359cyclictest26939-21ssh10:51:380
305189941633,261cyclictest30970-21switchtime12:10:450
305189941533,374cyclictest26255-21grep08:20:540
305189941240,250cyclictest20736-21munin-node09:31:080
305189940732,361cyclictest4924-21runrttasks10:38:550
305189940536,356cyclictest4887-21munin-node12:25:520
305189940533,359cyclictest15661-21ssh09:18:420
305189940533,359cyclictest11035-21ssh11:27:330
305189940414,380cyclictest28562-21grep09:45:580
305189940333,358cyclictest1275-21fschecks_count09:56:340
305189940029,371cyclictest0-21swapper11:57:180
305189939934,351cyclictest4175-21ssh12:22:320
305189939617,365cyclictest11-21ksoftirqd/011:38:210
305189939338,355cyclictest0-21swapper09:05:480
305189939219,359cyclictest9189-21kworker/u2:112:17:280
305189939131,357cyclictest24109-21strings08:15:420
305189939114,363cyclictest4285-21lldpd08:11:550
305189939037,341cyclictest9103-21ssh10:14:460
305189939018,312cyclictest4438-21ssh10:04:380
305189938831,342cyclictest25380-21munin-node09:40:500
305189938828,347cyclictest351950irq/10-yenta12:02:010
305189938826,348cyclictest13571-21ssh10:24:030
305189938814,187cyclictest9281-21sh11:25:010
305189938631,355cyclictest0-21swapper10:41:260
305189938323,347cyclictest351950irq/10-yenta11:07:540
305189938127,294cyclictest19950-21ssh09:27:080
305189938035,345cyclictest0-21swapper11:12:120
305189938031,289cyclictest31221-21ssh09:51:190
305189937823,355cyclictest0-21swapper08:30:430
305189937726,297cyclictest897-21jbd2/sda1-812:35:060
305189937232,327cyclictest5485-21ssh10:05:510
305189936932,276cyclictest173672sleep007:57:590
30518993620,362cyclictest0-21swapper08:25:500
305189935930,270cyclictest4924-21runrttasks08:58:250
305189935687,256cyclictest11-21ksoftirqd/008:37:090
305189935281,257cyclictest11-21ksoftirqd/008:40:140
305189935116,321cyclictest0-21swapper07:43:500
305189935066,270cyclictest5474-21sshd08:52:350
305189935017,320cyclictest0-21swapper07:54:360
305189934932,257cyclictest2370-21runrttasks08:45:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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