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2026-03-24 - 04:11
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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 highest latencies:
System rack1slot1.osadl.org (updated Tue Mar 24, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112862229156,23sleep20-21swapper/219:06:182
115292213150,20sleep00-21swapper/019:09:250
113462212148,22sleep30-21swapper/319:07:033
113542198158,26sleep10-21swapper/119:07:091
189312680,0sleep218937-21switchtime19:20:202
309052660,0sleep00-21swapper/000:26:520
40542630,0sleep10-21swapper/123:52:331
193702610,0sleep10-21swapper/122:49:531
30822600,0sleep10-21swapper/123:10:111
208282580,0sleep30-21swapper/322:09:543
78412180,0sleep20-21swapper/221:51:222
219542140,0sleep30-21swapper/323:35:003
11645991412,1cyclictest9-21ksoftirqd/020:25:000
11645991410,2cyclictest240-21systemd-journal20:55:000
1164599132,5cyclictest13398-21latency_hist21:20:010
1164599130,12cyclictest5111-21diskmemload23:05:110
11645991210,1cyclictest9-21ksoftirqd/019:45:000
85722110,0sleep20-21swapper/223:15:512
1164599113,4cyclictest1760-21latency_hist19:55:000
11645991110,1cyclictest9-21ksoftirqd/000:40:000
1166799109,1cyclictest35-21ksoftirqd/320:40:003
1165999108,1cyclictest18150-21sh23:30:082
1165999100,5cyclictest61650irq/122-eno100:30:212
1164599108,1cyclictest9-21ksoftirqd/022:25:130
1164599108,1cyclictest9-21ksoftirqd/022:15:140
20520290,1sleep20-21swapper/222:09:052
116679998,1cyclictest35-21ksoftirqd/322:35:003
116679997,1cyclictest3183-21ssh00:34:033
116679990,5cyclictest11159-21munin-run20:15:003
116459998,1cyclictest9-21ksoftirqd/022:20:150
116459998,1cyclictest9-21ksoftirqd/021:45:200
116459998,1cyclictest9-21ksoftirqd/000:20:000
116459997,1cyclictest9-21ksoftirqd/023:00:010
116459997,1cyclictest9-21ksoftirqd/019:40:000
116459997,1cyclictest9-21ksoftirqd/000:05:000
116459993,5cyclictest4165-21wc20:00:000
116459991,4cyclictest14075-21perf23:25:000
20454280,1sleep10-21swapper/100:15:011
11935280,0sleep10-21swapper/123:20:201
116679987,1cyclictest707-21snmpd19:14:383
116679986,1cyclictest707-21snmpd22:51:433
116679986,1cyclictest707-21snmpd22:12:153
116679986,1cyclictest707-21snmpd20:16:503
116679986,1cyclictest707-21snmpd19:28:423
116679983,4cyclictest27876-21nscd23:21:553
116679981,6cyclictest2333-21ssh22:25:473
116679981,6cyclictest16917-21apt-get00:10:143
116679981,2cyclictest0-21swapper/320:40:093
116679980,6cyclictest13766-21kworker/u8:121:36:383
116679980,2cyclictest0-21swapper/321:30:123
116599987,1cyclictest28-21ksoftirqd/200:35:042
116599986,2cyclictest707-21snmpd20:24:342
116599986,1cyclictest61650irq/122-eno123:45:122
116599986,1cyclictest61650irq/122-eno121:55:172
116599986,1cyclictest61650irq/122-eno100:20:112
116599986,1cyclictest61650irq/122-eno100:05:132
116599986,1cyclictest28-21ksoftirqd/223:22:342
116599986,1cyclictest28-21ksoftirqd/221:31:162
116599986,1cyclictest28-21ksoftirqd/219:30:002
116599984,2cyclictest240-21systemd-journal22:40:002
116539980,6cyclictest203-21jbd2/sda2-821:10:051
116539980,5cyclictest0-21swapper/123:25:121
116459988,0cyclictest9-21ksoftirqd/019:25:150
116459987,1cyclictest9-21ksoftirqd/022:10:000
116459987,1cyclictest9-21ksoftirqd/019:45:140
116459987,1cyclictest9-21ksoftirqd/000:10:150
116459986,1cyclictest707-21snmpd21:13:020
116459986,1cyclictest707-21snmpd19:21:500
116459984,3cyclictest5111-21diskmemload21:25:020
116459984,3cyclictest10726-21ntp_states21:55:160
116459981,1cyclictest0-21swapper/023:28:560
116459980,7cyclictest5761-21ssh23:13:320
116459980,4cyclictest0-21swapper/020:45:130
116679976,1cyclictest35-21ksoftirqd/319:35:013
116679975,1cyclictest707-21snmpd22:18:523
116679975,1cyclictest707-21snmpd21:07:083
116679975,1cyclictest707-21snmpd19:47:303
116679975,1cyclictest707-21snmpd19:40:033
116679975,1cyclictest6999-21ssh00:38:563
116679975,1cyclictest25552-21cat00:20:153
116679973,2cyclictest0-21swapper/321:42:163
116679971,2cyclictest0-21swapper/323:00:123
116679970,6cyclictest17474-21ssh23:28:573
116679970,3cyclictest0-21swapper/323:40:363
116679970,3cyclictest0-21swapper/319:50:103
116679970,1cyclictest240-21systemd-journal21:49:563
116599976,1cyclictest61650irq/122-eno123:40:132
116599976,1cyclictest61650irq/122-eno122:59:542
116599976,1cyclictest61650irq/122-eno122:33:342
116599976,1cyclictest61650irq/122-eno122:14:292
116599976,1cyclictest61650irq/122-eno122:00:112
116599976,0cyclictest61650irq/122-eno123:25:122
116599976,0cyclictest61650irq/122-eno100:00:132
116599975,1cyclictest707-21snmpd22:50:342
116599975,1cyclictest707-21snmpd22:17:222
116599975,1cyclictest707-21snmpd21:40:152
116599975,1cyclictest61650irq/122-eno120:33:512
116599975,1cyclictest28-21ksoftirqd/219:15:002
116599975,0cyclictest61650irq/122-eno121:21:172
116599973,3cyclictest31340-21apt-get23:05:112
116599973,2cyclictest240-21systemd-journal20:59:552
116599970,6cyclictest0-21swapper/220:10:162
116599970,6cyclictest0-21swapper/220:00:062
116599970,5cyclictest20244-21sh21:26:262
116599970,5cyclictest16341-21apt-get20:25:122
116599970,2cyclictest0-21swapper/219:35:122
116599970,2cyclictest0-21swapper/200:16:262
116599970,1cyclictest0-21swapper/223:50:322
116539970,4cyclictest0-21swapper/122:00:161
116539970,4cyclictest0-21swapper/121:45:221
116539970,3cyclictest0-21swapper/123:45:111
116539970,0cyclictest0-21swapper/122:25:151
116459976,1cyclictest9-21ksoftirqd/023:40:170
116459976,1cyclictest9-21ksoftirqd/022:10:140
116459976,1cyclictest9-21ksoftirqd/021:30:120
116459976,1cyclictest9-21ksoftirqd/019:30:130
116459976,1cyclictest9-21ksoftirqd/000:30:120
116459976,1cyclictest707-21snmpd23:02:110
116459976,1cyclictest707-21snmpd20:13:210
116459976,0cyclictest9-21ksoftirqd/019:10:110
116459975,1cyclictest9-21ksoftirqd/021:40:140
116459975,1cyclictest707-21snmpd21:03:140
116459975,1cyclictest707-21snmpd00:06:360
116459975,1cyclictest0-21swapper/023:50:510
116459972,1cyclictest11394-21/usr/sbin/munin20:15:160
116459971,6cyclictest32286-21ssh23:47:130
116459971,5cyclictest13953-21ssh22:00:140
116459970,6cyclictest27966-21users21:35:210
116459970,6cyclictest26797-1kworker/u9:223:30:110
116459970,6cyclictest25144-21users20:40:180
116459970,6cyclictest24093-1kworker/u9:121:50:120
116459970,6cyclictest20669-21kernelversion22:50:160
116459970,6cyclictest19604-21cut20:30:170
116459970,6cyclictest18460-21ssh22:47:280
116459970,6cyclictest14014-21kworker/0:022:35:180
116459970,6cyclictest0-21swapper/019:20:000
116459970,1cyclictest6375-21ssh22:31:140
116459970,1cyclictest6154-21idleruntime23:55:150
116459970,1cyclictest28057-21ssh00:24:340
116459970,1cyclictest24775-21ssh23:37:510
116459970,1cyclictest15523-21ssh21:20:230
116459970,1cyclictest0-21swapper/023:17:570
116459970,1cyclictest0-21swapper/022:40:140
116459970,1cyclictest0-21swapper/022:40:130
116679965,1cyclictest9478-21ssh21:55:013
116679965,1cyclictest9232-21ssh23:17:353
116679965,1cyclictest7791-21ssh21:11:583
116679965,1cyclictest707-21snmpd22:42:313
116679965,1cyclictest707-21snmpd22:42:313
116679965,1cyclictest707-21snmpd20:56:533
116679965,1cyclictest707-21snmpd20:02:333
116679965,1cyclictest31089-21ssh00:27:203
116679965,1cyclictest26570-21ssh22:58:263
116679965,1cyclictest19222-21ssh22:49:303
116679965,1cyclictest16042-21sshd20:24:223
116679965,1cyclictest15136-21ssh00:06:073
116679965,1cyclictest11392-21ssh00:01:253
116679964,1cyclictest707-21snmpd20:31:433
116679963,1cyclictest240-21systemd-journal23:55:003
116679962,3cyclictest13692-21apt-get21:20:133
116679962,1cyclictest5111-21diskmemload23:48:223
116679962,1cyclictest23059-21/usr/sbin/munin23:35:153
116679961,4cyclictest14437-21latency22:00:163
116679961,4cyclictest0-21swapper/300:15:153
116679961,3cyclictest1355-21ssh23:50:023
116679961,1cyclictest2124-21grep21:00:223
116679960,6cyclictest5111-21diskmemload22:20:283
116679960,5cyclictest0-21swapper/323:11:553
116679960,4cyclictest8268-21aten_r1power_vo22:35:133
116679960,3cyclictest0-21swapper/321:25:203
116679960,3cyclictest0-21swapper/321:15:323
116599966,0cyclictest61650irq/122-eno123:55:082
116599966,0cyclictest61650irq/122-eno123:35:142
116599966,0cyclictest61650irq/122-eno123:00:112
116599966,0cyclictest61650irq/122-eno122:40:132
116599966,0cyclictest61650irq/122-eno122:40:122
116599966,0cyclictest61650irq/122-eno122:25:182
116599966,0cyclictest61650irq/122-eno122:20:352
116599966,0cyclictest61650irq/122-eno121:35:162
116599966,0cyclictest61650irq/122-eno121:16:222
116599966,0cyclictest61650irq/122-eno121:12:102
116599966,0cyclictest61650irq/122-eno121:05:582
116599966,0cyclictest61650irq/122-eno120:38:052
116599966,0cyclictest61650irq/122-eno120:15:222
116599966,0cyclictest61650irq/122-eno119:55:172
116599966,0cyclictest61650irq/122-eno119:42:222
116599966,0cyclictest61650irq/122-eno119:15:182
116599966,0cyclictest61650irq/122-eno100:10:182
116599965,1cyclictest61650irq/122-eno119:50:012
116599965,1cyclictest461-21cat19:50:142
116599964,1cyclictest61650irq/122-eno122:45:172
116599961,4cyclictest0-21swapper/220:05:112
116599960,6cyclictest0-21swapper/220:45:312
116599960,5cyclictest0-21swapper/219:33:152
116599960,3cyclictest0-21swapper/223:10:062
116599960,3cyclictest0-21swapper/221:45:132
116599960,1cyclictest0-21swapper/200:25:012
116539961,3cyclictest0-21swapper/123:41:521
116539960,6cyclictest0-21swapper/123:55:121
116539960,6cyclictest0-21swapper/123:00:261
116539960,6cyclictest0-21swapper/122:58:561
116539960,6cyclictest0-21swapper/122:30:051
116539960,6cyclictest0-21swapper/122:10:141
116539960,6cyclictest0-21swapper/121:21:121
116539960,6cyclictest0-21swapper/120:48:041
116539960,6cyclictest0-21swapper/120:10:201
116539960,6cyclictest0-21swapper/119:40:421
116539960,6cyclictest0-21swapper/119:38:541
116539960,4cyclictest0-21swapper/123:16:181
116539960,1cyclictest0-21swapper/121:15:121
116539960,1cyclictest0-21swapper/119:10:471
116459965,1cyclictest9-21ksoftirqd/020:25:140
116459960,6cyclictest0-21swapper/020:35:140
116459960,6cyclictest0-21swapper/020:05:350
116459960,5cyclictest0-21swapper/020:55:110
116459960,0cyclictest0-21swapper/020:04:420
116679954,1cyclictest707-21snmpd19:20:323
116679953,1cyclictest7565-21cat20:05:153
116679953,1cyclictest707-21snmpd21:50:213
116679953,1cyclictest31303-21ssh23:05:053
116679953,1cyclictest25015-21cpuspeed_turbos19:35:133
116679953,1cyclictest2029-21/usr/sbin/munin19:55:133
116679950,5cyclictest0-21swapper/320:27:583
116679950,5cyclictest0-21swapper/319:18:013
116679950,4cyclictest28098-21munin-run20:50:003
116679950,2cyclictest28332-21apt-get20:50:133
116599955,0cyclictest61650irq/122-eno120:50:162
116599950,2cyclictest240-21systemd-journal20:40:002
116539955,0cyclictest0-21swapper/122:15:071
116539955,0cyclictest0-21swapper/121:56:111
116539955,0cyclictest0-21swapper/121:40:201
116539955,0cyclictest0-21swapper/121:30:471
116539955,0cyclictest0-21swapper/120:44:481
116539952,2cyclictest0-21swapper/122:09:131
116539952,2cyclictest0-21swapper/100:10:191
116539952,2cyclictest0-21swapper/100:00:101
116539951,1cyclictest0-21swapper/122:43:471
116539951,1cyclictest0-21swapper/122:43:471
116539951,1cyclictest0-21swapper/120:25:121
116539950,5cyclictest0-21swapper/123:39:171
116539950,5cyclictest0-21swapper/123:05:151
116539950,5cyclictest0-21swapper/122:35:141
116539950,5cyclictest0-21swapper/120:21:051
116539950,5cyclictest0-21swapper/119:26:351
116539950,5cyclictest0-21swapper/100:07:341
116539950,3cyclictest0-21swapper/120:10:001
116539950,2cyclictest0-21swapper/100:30:101
116539950,1cyclictest0-21swapper/122:20:021
116539950,1cyclictest0-21swapper/121:05:131
116539950,1cyclictest0-21swapper/100:36:191
116539950,0cyclictest0-21swapper/120:56:001
116539950,0cyclictest0-21swapper/119:30:151
116459950,5cyclictest0-21swapper/021:05:000
116599941,1cyclictest623-21apt-get21:00:122
116539944,0cyclictest0-21swapper/119:20:531
116539941,2cyclictest0-21swapper/120:50:131
116539941,2cyclictest0-21swapper/120:34:111
116539941,2cyclictest0-21swapper/119:15:201
116539941,1cyclictest0-21swapper/121:00:121
116539940,4cyclictest0-21swapper/121:35:071
116539940,4cyclictest0-21swapper/120:01:191
116539940,4cyclictest0-21swapper/119:50:041
116539940,3cyclictest0-21swapper/119:55:141
116539940,2cyclictest0-21swapper/122:52:241
116539940,2cyclictest0-21swapper/121:26:131
116539940,2cyclictest0-21swapper/120:15:161
116539940,1cyclictest0-21swapper/123:30:101
116539940,0cyclictest0-21swapper/121:51:501
116539940,0cyclictest0-21swapper/119:49:441
116539940,0cyclictest0-21swapper/100:25:221
116539940,0cyclictest0-21swapper/100:20:541
116539931,1cyclictest0-21swapper/120:35:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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