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2026-05-08 - 05:16
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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 Fri May 08, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2983921030,0sleep4471rcuc/423:32:224
2983921030,0sleep4471rcuc/423:32:224
61762600,1sleep06173-21systemd-cgroups00:16:470
306112520,0sleep71-21systemd22:05:117
71082510,0sleep70-21swapper/700:01:327
183242500,0sleep20-21swapper/222:42:222
164852500,0sleep30-21swapper/323:29:403
164852500,0sleep30-21swapper/323:29:403
143992480,0sleep40-21swapper/423:44:394
163752470,1sleep416371-21sshd21:26:314
126892470,1sleep112686-21sshd23:58:061
304682460,0sleep40-21swapper/422:20:134
255842460,1sleep449-21ksoftirqd/421:30:484
259452450,0sleep70-21swapper/719:24:237
239642450,7sleep125-21ksoftirqd/122:54:061
146542450,0sleep40-21swapper/421:19:024
285492440,0sleep40-21swapper/422:31:354
230382440,0sleep60-21swapper/622:57:486
9742430,1sleep2977-21grep21:16:202
60002430,1sleep45998-21sshd23:25:174
52392420,0sleep30-21swapper/322:03:463
288222420,0sleep30-21swapper/323:05:383
187862420,0sleep70-21swapper/721:32:197
1696424129,9sleep30-21swapper/319:06:343
1695224129,8sleep60-21swapper/619:06:296
134112410,0sleep00-21swapper/023:35:060
55892400,0sleep00-21swapper/021:31:320
298692400,0sleep00-21swapper/023:45:390
1712724027,9sleep00-21swapper/019:08:470
1708224027,9sleep50-21swapper/519:08:125
1686924028,8sleep20-21swapper/219:05:212
16122400,0sleep30-21swapper/320:34:333
127462400,0sleep0111rcuc/023:23:530
259892390,0sleep60-21swapper/622:01:096
1715523927,9sleep10-21swapper/119:09:121
1696523927,8sleep40-21swapper/419:06:354
1694223926,9sleep70-21swapper/719:06:227
101332390,0sleep30-21swapper/321:54:333
140792370,0sleep6631rcuc/623:58:116
213462350,0sleep50-21swapper/521:30:335
210192320,0sleep3391rcuc/323:35:333
1731099243,5cyclictest30183-21bash23:07:404
17298992415,4cyclictest25-21ksoftirqd/123:19:311
282852230,10sleep213550irq/24-ahci[00022:03:132
1731099233,4cyclictest859-21gdbus00:15:164
1731099233,4cyclictest22726-21grepconf.sh00:23:244
1731099233,4cyclictest22726-21grepconf.sh00:23:244
1731099232,4cyclictest25700-21sshd22:35:144
1731099232,4cyclictest25700-21sshd22:35:144
1731099232,4cyclictest1-21systemd23:39:394
17311992211,5cyclictest28789-21sshd23:01:565
1731099224,4cyclictest32198-21bash22:09:084
1731099223,5cyclictest3883-21bash22:14:544
1731099221,4cyclictest709-21systemd-logind21:40:484
17290992216,5cyclictest1-21systemd00:20:500
17290992216,5cyclictest1-21systemd00:20:500
1731199214,5cyclictest0-21swapper/522:46:485
1731099212,7cyclictest10316-21sshd00:13:174
1731099211,3cyclictest7732-21sshd22:28:314
1729899216,2cyclictest25-21ksoftirqd/121:56:141
17298992110,4cyclictest25-21ksoftirqd/121:45:341
163682210,0sleep20-21swapper/222:15:392
215532200,1sleep121555-21kworker/u16:522:44:291
1731199209,0cyclictest0-21swapper/522:55:565
1731099204,6cyclictest709-21systemd-logind23:09:354
1731099203,6cyclictest2589-21sshd00:37:314
1731099203,5cyclictest19484-21bash21:51:164
1731099203,4cyclictest18311-21bash23:14:384
1731099202,5cyclictest1-21systemd23:20:554
1729899207,1cyclictest25-21ksoftirqd/121:25:041
1729899207,1cyclictest25-21ksoftirqd/121:23:011
1729899206,2cyclictest25-21ksoftirqd/121:34:021
1729899206,2cyclictest25-21ksoftirqd/100:38:521
1729899205,1cyclictest25-21ksoftirqd/121:17:181
1729899203,1cyclictest25-21ksoftirqd/100:05:181
17298992016,3cyclictest25-21ksoftirqd/123:29:401
17298992016,3cyclictest25-21ksoftirqd/123:29:401
1729099200,8cyclictest0-21swapper/020:28:280
60162190,0sleep70-21swapper/700:13:017
1731199198,5cyclictest0-21swapper/521:21:545
1731199198,5cyclictest0-21swapper/521:19:165
1731199198,5cyclictest0-21swapper/521:05:565
1731199198,5cyclictest0-21swapper/500:00:565
1731199198,0cyclictest0-21swapper/523:17:525
1731199198,0cyclictest0-21swapper/520:39:485
1731199198,0cyclictest0-21swapper/520:37:045
1731199198,0cyclictest0-21swapper/519:28:345
1731199192,5cyclictest0-21swapper/520:57:125
1731099193,5cyclictest26086-21grep22:52:174
1731099193,5cyclictest1545-21systemd23:38:144
1731099193,4cyclictest24964-21bash23:51:024
1731099192,4cyclictest464-21systemd-journal21:14:114
1731099192,3cyclictest1-21systemd00:33:414
1729899198,1cyclictest25-21ksoftirqd/123:14:401
1729899198,1cyclictest25-21ksoftirqd/123:04:071
1729899196,1cyclictest25-21ksoftirqd/122:21:521
17298991918,1cyclictest27897-21kworker/1:300:10:181
17298991915,1cyclictest25-21ksoftirqd/121:54:191
17298991914,3cyclictest25-21ksoftirqd/123:28:041
17298991914,3cyclictest25-21ksoftirqd/123:04:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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