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2025-12-27 - 12:11
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Sat Dec 27, 2025 00:45:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
254812216151,22sleep20-21swapper/219:09:142
252012209173,24sleep30-21swapper/319:05:343
254692205172,21sleep00-21swapper/019:09:050
253412204149,41sleep10-21swapper/119:07:251
306842630,0sleep30-21swapper/319:15:203
2563799155,7cyclictest35-21ksoftirqd/319:55:143
25637991514,1cyclictest35-21ksoftirqd/323:45:003
25637991514,1cyclictest35-21ksoftirqd/321:05:133
25637991514,0cyclictest35-21ksoftirqd/319:10:213
25637991513,1cyclictest35-21ksoftirqd/321:40:183
25637991413,1cyclictest35-21ksoftirqd/322:10:013
25637991412,1cyclictest35-21ksoftirqd/300:25:193
25637991412,1cyclictest35-21ksoftirqd/300:25:003
25616991412,1cyclictest9-21ksoftirqd/000:00:010
25637991312,1cyclictest35-21ksoftirqd/320:10:123
25637991311,1cyclictest35-21ksoftirqd/321:55:133
25637991311,1cyclictest35-21ksoftirqd/319:40:003
25621991311,1cyclictest28-21ksoftirqd/220:20:012
25621991311,1cyclictest28-21ksoftirqd/220:10:012
25616991312,1cyclictest9-21ksoftirqd/020:40:130
2561699130,12cyclictest0-21swapper/023:10:120
2563799124,5cyclictest35-21ksoftirqd/323:05:113
25637991212,0cyclictest35-21ksoftirqd/323:10:143
25637991211,1cyclictest35-21ksoftirqd/322:35:183
25637991211,1cyclictest35-21ksoftirqd/322:00:183
25637991211,0cyclictest35-21ksoftirqd/322:20:143
25637991210,1cyclictest35-21ksoftirqd/323:49:593
25621991211,1cyclictest28-21ksoftirqd/200:39:592
25621991210,1cyclictest28-21ksoftirqd/219:19:592
25616991211,1cyclictest9-21ksoftirqd/022:55:000
25616991211,1cyclictest9-21ksoftirqd/022:05:000
25616991210,1cyclictest9-21ksoftirqd/022:30:000
25616991210,1cyclictest9-21ksoftirqd/020:39:590
2563799119,1cyclictest35-21ksoftirqd/322:40:163
2563799119,1cyclictest35-21ksoftirqd/300:05:153
25637991111,0cyclictest35-21ksoftirqd/323:35:133
25637991111,0cyclictest35-21ksoftirqd/323:00:173
25637991111,0cyclictest35-21ksoftirqd/319:20:123
25637991111,0cyclictest35-21ksoftirqd/300:35:193
25637991110,1cyclictest35-21ksoftirqd/322:15:013
25637991110,1cyclictest35-21ksoftirqd/319:40:153
25637991110,1cyclictest35-21ksoftirqd/300:15:003
2562199119,1cyclictest28-21ksoftirqd/221:35:002
2562199119,1cyclictest28-21ksoftirqd/219:15:002
25621991110,1cyclictest28-21ksoftirqd/223:05:012
25621991110,1cyclictest28-21ksoftirqd/220:29:592
2561699119,1cyclictest9-21ksoftirqd/021:55:010
2561699111,5cyclictest13997-21perf21:00:010
2563799109,1cyclictest35-21ksoftirqd/323:30:003
2563799109,1cyclictest35-21ksoftirqd/321:50:173
2563799109,1cyclictest35-21ksoftirqd/320:50:003
2563799109,1cyclictest35-21ksoftirqd/300:20:003
2563799109,0cyclictest35-21ksoftirqd/322:30:133
2563799108,1cyclictest35-21ksoftirqd/322:20:013
2563799108,1cyclictest35-21ksoftirqd/300:00:003
2563799107,1cyclictest35-21ksoftirqd/322:49:593
2563799107,1cyclictest35-21ksoftirqd/321:16:593
2563799101,6cyclictest2490-21kworker/3:020:15:213
2562199108,1cyclictest28-21ksoftirqd/222:55:142
2562199108,1cyclictest28-21ksoftirqd/221:40:122
2562199108,1cyclictest28-21ksoftirqd/220:45:112
2562199108,1cyclictest28-21ksoftirqd/220:20:102
2562199100,9cyclictest0-21swapper/220:55:182
2561699109,1cyclictest9-21ksoftirqd/023:20:010
2561699109,1cyclictest9-21ksoftirqd/020:20:010
2561699109,1cyclictest9-21ksoftirqd/000:10:000
2561699108,1cyclictest9-21ksoftirqd/000:10:150
2561699103,6cyclictest11307-21perf00:20:000
2561699102,5cyclictest240-21systemd-journal19:29:590
25616991010,0cyclictest0-21swapper/019:52:540
256379999,0cyclictest35-21ksoftirqd/321:00:213
256379998,1cyclictest35-21ksoftirqd/323:20:103
256379998,1cyclictest35-21ksoftirqd/322:50:163
256379998,1cyclictest35-21ksoftirqd/321:25:203
256379998,1cyclictest35-21ksoftirqd/320:55:173
256379998,1cyclictest35-21ksoftirqd/319:25:173
256379997,1cyclictest35-21ksoftirqd/322:55:113
256379997,1cyclictest35-21ksoftirqd/321:20:153
256379997,1cyclictest35-21ksoftirqd/321:10:163
256379997,1cyclictest35-21ksoftirqd/320:50:193
256379997,1cyclictest35-21ksoftirqd/320:35:133
256379997,1cyclictest35-21ksoftirqd/320:30:193
256379997,1cyclictest35-21ksoftirqd/320:25:153
256379997,1cyclictest35-21ksoftirqd/320:20:153
256379997,1cyclictest35-21ksoftirqd/320:05:113
256379997,1cyclictest35-21ksoftirqd/319:50:183
256379997,1cyclictest35-21ksoftirqd/319:45:163
256379997,1cyclictest35-21ksoftirqd/300:30:123
256379997,1cyclictest35-21ksoftirqd/300:00:133
256219998,1cyclictest28-21ksoftirqd/219:45:162
256219998,1cyclictest28-21ksoftirqd/200:00:182
256219997,1cyclictest28-21ksoftirqd/219:40:142
256219997,1cyclictest28-21ksoftirqd/200:35:002
256219997,1cyclictest28-21ksoftirqd/200:25:002
256219990,8cyclictest14189-21apt-get21:00:132
256169998,1cyclictest9-21ksoftirqd/023:25:000
256169998,1cyclictest9-21ksoftirqd/021:55:100
256169998,0cyclictest9-21ksoftirqd/020:50:010
256169991,4cyclictest1991-21cat20:34:590
256379987,1cyclictest35-21ksoftirqd/323:30:153
256379987,1cyclictest35-21ksoftirqd/321:45:123
256379987,1cyclictest35-21ksoftirqd/321:35:193
256379987,1cyclictest35-21ksoftirqd/321:30:113
256379987,1cyclictest35-21ksoftirqd/320:40:193
256379986,1cyclictest35-21ksoftirqd/323:50:133
256379986,1cyclictest35-21ksoftirqd/322:25:183
256379986,1cyclictest35-21ksoftirqd/320:00:113
256379986,1cyclictest35-21ksoftirqd/319:30:123
256219987,1cyclictest28-21ksoftirqd/223:50:142
256219987,1cyclictest28-21ksoftirqd/222:55:012
256219987,1cyclictest28-21ksoftirqd/222:20:222
256219987,1cyclictest28-21ksoftirqd/200:05:192
256219986,1cyclictest707-21snmpd23:48:562
256219986,1cyclictest707-21snmpd23:43:142
256219986,1cyclictest707-21snmpd20:30:582
256219986,1cyclictest61650irq/122-eno121:05:202
256219986,1cyclictest28-21ksoftirqd/222:40:002
256219986,1cyclictest28-21ksoftirqd/221:10:172
256219986,1cyclictest28-21ksoftirqd/220:00:152
256219986,1cyclictest28-21ksoftirqd/219:55:002
256219986,1cyclictest0-21swapper/222:25:162
256219981,5cyclictest28-21ksoftirqd/221:55:192
256169988,0cyclictest101rcuc/022:10:130
256169987,1cyclictest9-21ksoftirqd/023:05:010
256169987,1cyclictest9-21ksoftirqd/020:25:130
256169986,1cyclictest9-21ksoftirqd/020:24:590
256169985,1cyclictest9-21ksoftirqd/021:25:000
256169984,0cyclictest0-21swapper/021:05:130
256169983,4cyclictest9-21ksoftirqd/021:30:150
256379975,1cyclictest35-21ksoftirqd/323:15:123
256219977,0cyclictest28-21ksoftirqd/222:15:172
256219977,0cyclictest28-21ksoftirqd/221:35:172
256219976,1cyclictest707-21snmpd23:11:192
256219976,1cyclictest28-21ksoftirqd/220:55:012
256219976,1cyclictest28-21ksoftirqd/220:39:592
256219976,1cyclictest28-21ksoftirqd/219:30:192
256219975,1cyclictest707-21snmpd23:18:552
256219975,1cyclictest707-21snmpd22:11:222
256219975,1cyclictest28-21ksoftirqd/223:10:012
256219975,1cyclictest28-21ksoftirqd/222:45:172
256219975,1cyclictest28-21ksoftirqd/221:15:112
256219975,1cyclictest28-21ksoftirqd/219:55:152
256219973,2cyclictest28-21ksoftirqd/220:10:202
256219971,4cyclictest22658-21apt-get23:35:082
256219971,1cyclictest10078-21/usr/sbin/munin22:00:142
256179971,1cyclictest0-21swapper/122:25:031
256179970,6cyclictest0-21swapper/121:55:581
256179970,3cyclictest0-21swapper/120:20:181
256179970,1cyclictest0-21swapper/122:21:051
256179970,1cyclictest0-21swapper/120:30:131
256169976,1cyclictest9-21ksoftirqd/022:20:000
256169976,1cyclictest9-21ksoftirqd/021:40:000
256169976,1cyclictest9-21ksoftirqd/019:35:000
256169976,1cyclictest9-21ksoftirqd/019:15:000
256169975,1cyclictest707-21snmpd00:01:360
256169973,3cyclictest9-21ksoftirqd/022:05:150
256169971,5cyclictest733-21sshd19:56:300
256169970,6cyclictest0-21swapper/022:40:140
256169970,6cyclictest0-21swapper/021:20:010
256169970,6cyclictest0-21swapper/020:45:110
256169970,6cyclictest0-21swapper/000:30:120
256169970,3cyclictest0-21swapper/022:20:140
256169970,3cyclictest0-21swapper/000:35:100
256169970,2cyclictest0-21swapper/021:40:100
256169970,2cyclictest0-21swapper/000:25:120
256169970,1cyclictest26910-21cstates22:35:140
256169970,1cyclictest0-21swapper/022:55:210
256169970,0cyclictest0-21swapper/023:45:120
256219966,0cyclictest61650irq/122-eno123:20:112
256219966,0cyclictest61650irq/122-eno120:41:292
256219966,0cyclictest61650irq/122-eno100:10:132
256219966,0cyclictest28-21ksoftirqd/223:28:052
256219965,1cyclictest707-21snmpd23:31:462
256219965,1cyclictest28-21ksoftirqd/222:45:002
256219965,1cyclictest28-21ksoftirqd/221:25:152
256219965,1cyclictest28-21ksoftirqd/219:25:142
256219965,1cyclictest28-21ksoftirqd/200:15:182
256219965,1cyclictest24603-21sed21:20:142
256219964,1cyclictest817-21ntpq23:55:182
256219964,1cyclictest28-21ksoftirqd/222:30:142
256219964,1cyclictest28-21ksoftirqd/219:35:152
256219961,5cyclictest0-21swapper/221:52:552
256219961,2cyclictest240-21systemd-journal00:30:002
256219960,4cyclictest0-21swapper/219:20:162
256179960,6cyclictest0-21swapper/122:16:081
256179960,6cyclictest0-21swapper/121:42:361
256179960,6cyclictest0-21swapper/120:57:231
256179960,6cyclictest0-21swapper/120:03:181
256179960,6cyclictest0-21swapper/100:32:061
256179960,6cyclictest0-21swapper/100:18:181
256179960,2cyclictest0-21swapper/123:00:131
256169965,1cyclictest9-21ksoftirqd/023:25:130
256169965,1cyclictest27183-21ntpq19:10:170
256169965,1cyclictest27116-21ntpq21:25:190
256169964,1cyclictest707-21snmpd22:47:210
256169964,1cyclictest707-21snmpd21:00:360
256169964,1cyclictest11808-21wc00:20:110
256169960,6cyclictest0-21swapper/023:50:170
256169960,6cyclictest0-21swapper/019:20:200
256169960,5cyclictest19053-21ntp_states20:00:180
256169960,5cyclictest0-21swapper/020:05:100
256169960,5cyclictest0-21swapper/019:45:140
256169960,0cyclictest0-21swapper/023:36:400
256169960,0cyclictest0-21swapper/023:05:190
256169960,0cyclictest0-21swapper/022:32:450
256169960,0cyclictest0-21swapper/021:46:020
256169960,0cyclictest0-21swapper/021:10:270
256169960,0cyclictest0-21swapper/019:40:450
256219955,0cyclictest61650irq/122-eno122:05:122
256219951,0cyclictest0-21swapper/221:45:122
256179955,0cyclictest0-21swapper/123:05:131
256179953,1cyclictest0-21swapper/123:50:121
256179953,1cyclictest0-21swapper/119:55:111
256179951,1cyclictest0-21swapper/121:15:001
256179950,5cyclictest0-21swapper/121:08:101
256179950,5cyclictest0-21swapper/120:27:591
256179950,5cyclictest0-21swapper/119:16:141
256179950,5cyclictest0-21swapper/100:07:191
256179950,4cyclictest0-21swapper/123:26:261
256179950,4cyclictest0-21swapper/119:54:391
256179950,2cyclictest0-21swapper/119:40:121
256179950,2cyclictest0-21swapper/119:25:121
256179950,1cyclictest0-21swapper/123:15:211
256179950,1cyclictest0-21swapper/120:10:091
256179950,0cyclictest0-21swapper/123:43:561
256179950,0cyclictest0-21swapper/123:38:531
256179950,0cyclictest0-21swapper/122:34:091
256179950,0cyclictest0-21swapper/120:15:121
256169953,1cyclictest6400-21taskset19:35:120
256169953,1cyclictest24724-21idleruntime-cro20:15:010
256169950,5cyclictest0-21swapper/023:30:220
256169950,4cyclictest25032-21/usr/sbin/munin23:40:130
256179944,0cyclictest0-21swapper/122:05:021
256179943,1cyclictest30992-21chrt22:44:061
256179940,4cyclictest0-21swapper/120:45:201
256179940,4cyclictest0-21swapper/119:35:191
256179940,3cyclictest108032sleep119:45:011
256179940,3cyclictest0-21swapper/123:55:121
256179940,3cyclictest0-21swapper/123:10:211
256179940,3cyclictest0-21swapper/122:50:131
256179940,3cyclictest0-21swapper/122:35:111
256179940,3cyclictest0-21swapper/121:05:001
256179940,3cyclictest0-21swapper/120:35:151
256179940,3cyclictest0-21swapper/100:29:591
256179940,2cyclictest0-21swapper/123:30:121
256179940,2cyclictest0-21swapper/122:45:171
256179940,2cyclictest0-21swapper/121:15:161
256179940,2cyclictest0-21swapper/120:50:141
256179940,2cyclictest0-21swapper/120:45:001
256179940,1cyclictest0-21swapper/123:20:101
256179940,1cyclictest0-21swapper/122:55:001
256179940,1cyclictest0-21swapper/121:50:091
256179940,1cyclictest0-21swapper/121:25:091
256179940,1cyclictest0-21swapper/119:10:021
256179940,1cyclictest0-21swapper/100:35:181
256179940,1cyclictest0-21swapper/100:20:181
256179940,1cyclictest0-21swapper/100:10:121
256179940,0cyclictest0-21swapper/122:14:371
256179940,0cyclictest0-21swapper/121:30:111
256179940,0cyclictest0-21swapper/100:03:431
256179932,1cyclictest32493-21chrt21:36:021
256179932,1cyclictest10076-21chrt22:00:101
256179931,1cyclictest0-21swapper/123:45:141
256179931,1cyclictest0-21swapper/120:05:101
256179931,1cyclictest0-21swapper/119:20:111
256179930,2cyclictest0-21swapper/121:45:121
256179930,1cyclictest0-21swapper/121:20:081
256179930,1cyclictest0-21swapper/119:30:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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