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2026-07-06 - 10:42
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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 Mon Jul 06, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
140602225159,26sleep10-21swapper/119:08:221
139852211160,25sleep30-21swapper/319:07:233
139202211157,41sleep00-21swapper/019:06:320
140862199160,26sleep20-21swapper/219:08:432
56932710,0sleep00-21swapper/021:05:150
40462660,0sleep10-21swapper/122:31:541
247652660,0sleep121-21ksoftirqd/119:30:001
14268991311,1cyclictest9-21ksoftirqd/023:40:000
14268991311,1cyclictest9-21ksoftirqd/022:40:000
253622120,0sleep20-21swapper/222:16:292
14283991211,1cyclictest28-21ksoftirqd/223:10:002
1426899122,5cyclictest31601-21perf23:55:000
14268991210,1cyclictest9-21ksoftirqd/021:00:000
1428399119,1cyclictest28-21ksoftirqd/220:35:002
1426899119,1cyclictest9-21ksoftirqd/022:05:010
1426899113,4cyclictest15473-21sed22:05:000
14268991110,1cyclictest9-21ksoftirqd/023:25:000
14268991110,1cyclictest9-21ksoftirqd/021:45:210
14268991110,1cyclictest9-21ksoftirqd/000:35:150
14268991110,1cyclictest9-21ksoftirqd/000:00:000
14291991010,0cyclictest35-21ksoftirqd/323:11:213
1429199100,7cyclictest31286-21/usr/sbin/munin22:25:163
1428399109,1cyclictest28-21ksoftirqd/223:25:002
1428399109,1cyclictest23777-21apt-get23:00:112
1428399108,1cyclictest28-21ksoftirqd/221:04:592
1428399100,9cyclictest0-21swapper/223:40:152
1428399100,5cyclictest30334-21apt-get20:50:132
1426899109,1cyclictest9-21ksoftirqd/022:40:130
1426899109,1cyclictest9-21ksoftirqd/021:55:000
1426899108,1cyclictest9-21ksoftirqd/020:55:010
1426899104,5cyclictest20703-21latency_hist20:30:000
19235290,1sleep30-21swapper/322:09:553
18651290,0sleep30-21swapper/322:51:323
18651290,0sleep30-21swapper/322:51:323
142919998,1cyclictest26456-21ssh00:30:183
142839997,1cyclictest30092-21sh20:50:002
142839996,2cyclictest5469-21cut21:50:152
142839990,8cyclictest0-21swapper/200:20:122
142759990,5cyclictest0-21swapper/121:30:011
142689999,0cyclictest9-21ksoftirqd/022:15:210
142689998,1cyclictest9-21ksoftirqd/021:25:130
142689991,5cyclictest20921-21apt-get23:40:130
142689991,4cyclictest31705-21perf19:45:000
142689990,3cyclictest0-21swapper/020:30:110
142919986,1cyclictest35-21ksoftirqd/320:20:003
142919983,2cyclictest15915-21/usr/sbin/munin00:15:213
142919982,2cyclictest31881-21apt-get19:45:093
142919980,5cyclictest26333-21apt-get21:35:113
142839986,1cyclictest61650irq/122-eno123:10:142
142839986,1cyclictest61650irq/122-eno122:00:222
142839986,1cyclictest61650irq/122-eno121:22:382
142839986,1cyclictest28-21ksoftirqd/220:45:002
142839986,1cyclictest28-21ksoftirqd/220:20:002
142839981,6cyclictest26249-21kworker/u8:022:30:002
142839981,6cyclictest10658-21sensors_temp22:40:202
142839980,7cyclictest0-21swapper/222:45:492
142689988,0cyclictest0-21swapper/022:21:050
142689988,0cyclictest0-21swapper/000:04:190
142689987,1cyclictest9-21ksoftirqd/023:15:120
142689987,0cyclictest9-21ksoftirqd/022:50:000
142689986,1cyclictest9-21ksoftirqd/019:50:000
142689985,1cyclictest240-21systemd-journal00:15:000
142689984,4cyclictest0-21swapper/023:29:320
142689983,2cyclictest240-21systemd-journal22:28:260
142689983,2cyclictest240-21systemd-journal20:12:090
142689981,5cyclictest9-21ksoftirqd/022:55:500
142689980,7cyclictest10876-21sh21:15:080
142689980,6cyclictest240-21systemd-journal23:50:000
142689980,4cyclictest10416-21latency_hist00:10:000
142919976,1cyclictest4454-21ntpq00:00:183
142919976,1cyclictest22373-21cat00:25:163
142919971,4cyclictest12456-21taskset00:10:413
142919971,2cyclictest0-21swapper/322:45:343
142919970,4cyclictest4994-21apt-get21:05:113
142919970,3cyclictest0-21swapper/322:21:543
142919970,3cyclictest0-21swapper/321:40:163
142919970,2cyclictest0-21swapper/323:40:123
142919970,2cyclictest0-21swapper/319:40:143
142839976,1cyclictest61650irq/122-eno123:45:112
142839976,1cyclictest61650irq/122-eno123:30:172
142839976,1cyclictest61650irq/122-eno122:10:122
142839976,1cyclictest61650irq/122-eno122:05:202
142839976,1cyclictest61650irq/122-eno121:40:172
142839976,1cyclictest61650irq/122-eno121:28:112
142839976,1cyclictest61650irq/122-eno121:14:192
142839976,1cyclictest61650irq/122-eno100:10:102
142839976,0cyclictest61650irq/122-eno123:51:312
142839975,1cyclictest61650irq/122-eno122:25:002
142839975,1cyclictest61650irq/122-eno121:35:132
142839975,1cyclictest61650irq/122-eno100:35:132
142839975,1cyclictest61650irq/122-eno100:30:192
142839975,1cyclictest28-21ksoftirqd/220:24:562
142839974,1cyclictest240-21systemd-journal19:40:012
142839973,1cyclictest1879-21/usr/sbin/munin19:50:132
142839971,3cyclictest4168-21apt-get19:55:112
142839971,2cyclictest0-21swapper/222:50:182
142839971,2cyclictest0-21swapper/222:50:172
142839970,6cyclictest23197-21ssh22:59:112
142839970,5cyclictest693-21runrttasks22:35:522
142839970,5cyclictest29531-21apt-get19:40:132
142839970,4cyclictest0-21swapper/200:25:312
142839970,3cyclictest19449-21users19:15:202
142839970,1cyclictest0-21swapper/220:55:102
142759970,6cyclictest0-21swapper/119:35:171
142689976,1cyclictest9-21ksoftirqd/022:50:150
142689976,1cyclictest9-21ksoftirqd/022:50:140
142689976,1cyclictest9-21ksoftirqd/019:10:130
142689975,1cyclictest9-21ksoftirqd/021:20:150
142689970,6cyclictest9972-21ssh21:13:130
142689970,6cyclictest7114-21diskmemload23:00:100
142689970,6cyclictest693-21runrttasks00:31:130
142689970,6cyclictest32095-21which23:10:160
142689970,6cyclictest26853-21diskstats21:35:140
142689970,6cyclictest24751-21ssh21:31:350
142689970,6cyclictest22573-21needreboot00:25:170
142689970,6cyclictest16636-21perl20:20:160
142689970,6cyclictest14148-21ssh00:15:050
142689970,6cyclictest0-21swapper/021:00:170
142689970,6cyclictest0-21swapper/019:25:160
142689970,5cyclictest0-21swapper/000:20:040
142689970,1cyclictest7114-21diskmemload21:40:360
142689970,1cyclictest28342-21sh23:05:170
142689970,1cyclictest2255-21ssh22:30:150
142689970,1cyclictest0-21swapper/022:12:460
142919965,1cyclictest7209-21ssh23:20:193
142919965,1cyclictest7015-21ssh21:51:433
142919965,1cyclictest5346-21ssh23:18:353
142919965,1cyclictest4460-21ssh22:33:083
142919965,1cyclictest3297-21ssh21:46:243
142919965,1cyclictest31397-21ssh00:38:013
142919965,1cyclictest2703-21cat19:50:163
142919965,1cyclictest25863-21ssh22:17:593
142919965,1cyclictest10238-21ssh21:55:283
142919965,1cyclictest10085-21ssh21:13:323
142919964,1cyclictest7114-21diskmemload21:30:163
142919964,1cyclictest20676-21perf20:30:013
142919964,0cyclictest7114-21diskmemload23:56:353
142919963,2cyclictest693-21runrttasks23:00:353
142919963,1cyclictest7114-21diskmemload00:06:193
142919963,1cyclictest240-21systemd-journal20:36:393
142919963,1cyclictest240-21systemd-journal19:57:253
142919962,3cyclictest20094-21apt-get19:20:113
142919962,3cyclictest12080-21/usr/sbin/munin22:00:173
142919962,2cyclictest240-21systemd-journal19:35:533
142919962,2cyclictest240-21systemd-journal19:13:393
142919961,3cyclictest20775-21ntpq22:10:213
142919961,3cyclictest0-21swapper/323:31:443
142919961,2cyclictest0-21swapper/323:27:173
142919960,6cyclictest7114-21diskmemload21:23:213
142919960,4cyclictest0-21swapper/323:45:173
142919960,4cyclictest0-21swapper/321:18:223
142919960,3cyclictest0-21swapper/322:39:123
142919960,2cyclictest0-21swapper/323:36:543
142919960,1cyclictest0-21swapper/322:41:583
142839966,0cyclictest61650irq/122-eno123:55:342
142839966,0cyclictest61650irq/122-eno123:25:552
142839966,0cyclictest61650irq/122-eno122:30:132
142839966,0cyclictest61650irq/122-eno121:56:442
142839966,0cyclictest61650irq/122-eno121:05:192
142839966,0cyclictest61650irq/122-eno120:35:132
142839966,0cyclictest61650irq/122-eno119:34:332
142839966,0cyclictest61650irq/122-eno119:21:182
142839966,0cyclictest61650irq/122-eno100:15:112
142839966,0cyclictest61650irq/122-eno100:05:232
142839966,0cyclictest61650irq/122-eno100:00:102
142839966,0cyclictest28-21ksoftirqd/219:12:162
142839965,1cyclictest61650irq/122-eno123:15:172
142839965,1cyclictest24486-21ssh21:30:512
142839965,1cyclictest10834-21ssh21:15:012
142839965,0cyclictest61650irq/122-eno123:35:132
142839964,1cyclictest7312-21cut20:00:152
142839964,1cyclictest61650irq/122-eno121:45:042
142839964,1cyclictest61650irq/122-eno119:25:162
142839962,3cyclictest0-21swapper/220:25:162
142839960,1cyclictest0-21swapper/220:10:122
142839960,1cyclictest0-21swapper/219:45:092
142759965,1cyclictest176282sleep121:23:151
142759961,2cyclictest0-21swapper/122:10:131
142759960,5cyclictest0-21swapper/123:55:151
142759960,5cyclictest0-21swapper/100:30:151
142759960,4cyclictest0-21swapper/123:00:151
142759960,4cyclictest0-21swapper/122:50:121
142759960,4cyclictest0-21swapper/122:50:121
142759960,4cyclictest0-21swapper/122:47:331
142759960,4cyclictest0-21swapper/100:10:121
142759960,3cyclictest0-21swapper/121:37:391
142759960,3cyclictest0-21swapper/121:30:001
142759960,2cyclictest0-21swapper/122:35:121
142759960,2cyclictest0-21swapper/122:25:121
142759960,2cyclictest0-21swapper/100:20:121
142759960,1cyclictest0-21swapper/123:46:071
142759960,1cyclictest0-21swapper/122:44:461
142759960,1cyclictest0-21swapper/121:55:171
142759960,0cyclictest0-21swapper/122:20:201
142689966,0cyclictest0-21swapper/020:41:190
142689964,1cyclictest9-21ksoftirqd/019:15:000
142689964,1cyclictest7114-21diskmemload21:55:120
142689963,1cyclictest240-21systemd-journal20:38:250
142689961,5cyclictest733-21sshd20:01:200
142689960,5cyclictest13613-21ssh23:30:120
142689960,5cyclictest0-21swapper/019:20:110
142689960,3cyclictest0-21swapper/020:45:110
142689960,1cyclictest0-21swapper/019:35:120
142689960,0cyclictest0-21swapper/020:16:510
31926250,0sleep10-21swapper/119:45:111
142919954,1cyclictest35-21ksoftirqd/323:05:113
142919954,1cyclictest35-21ksoftirqd/320:47:163
142919954,1cyclictest35-21ksoftirqd/319:33:173
142919954,0cyclictest7114-21diskmemload00:21:273
142919953,1cyclictest7114-21diskmemload22:55:103
142919953,1cyclictest31005-21sort20:50:153
142919952,1cyclictest0-21swapper/323:51:263
142919951,2cyclictest240-21systemd-journal20:02:243
142919951,1cyclictest0-21swapper/320:30:123
142919950,3cyclictest0-21swapper/321:00:003
142919950,1cyclictest240-21systemd-journal19:29:243
142919950,0cyclictest0-21swapper/321:25:143
142839951,1cyclictest8895-21apt-get20:05:112
142759955,0cyclictest0-21swapper/123:40:341
142759955,0cyclictest0-21swapper/121:43:501
142759955,0cyclictest0-21swapper/120:10:551
142759951,2cyclictest0-21swapper/121:45:111
142759951,2cyclictest0-21swapper/121:10:111
142759951,2cyclictest0-21swapper/119:10:111
142759951,1cyclictest0-21swapper/119:50:111
142759951,1cyclictest0-21swapper/119:40:131
142759950,5cyclictest0-21swapper/122:15:081
142759950,5cyclictest0-21swapper/121:19:201
142759950,5cyclictest0-21swapper/100:35:441
142759950,4cyclictest0-21swapper/123:50:121
142759950,3cyclictest0-21swapper/123:30:121
142759950,3cyclictest0-21swapper/123:28:011
142759950,3cyclictest0-21swapper/123:10:221
142759950,3cyclictest0-21swapper/123:05:131
142759950,2cyclictest0-21swapper/121:50:181
142759950,2cyclictest0-21swapper/120:31:211
142759950,2cyclictest0-21swapper/119:15:111
142759950,2cyclictest0-21swapper/100:00:441
142759950,1cyclictest0-21swapper/122:55:111
142759950,1cyclictest0-21swapper/121:04:591
142759950,1cyclictest0-21swapper/120:55:111
142759950,1cyclictest0-21swapper/100:19:031
142759950,0cyclictest0-21swapper/122:06:381
142759950,0cyclictest0-21swapper/122:00:121
142689954,1cyclictest9-21ksoftirqd/019:55:010
142689952,1cyclictest240-21systemd-journal20:05:010
142689951,2cyclictest0-21swapper/019:30:120
142689950,0cyclictest0-21swapper/019:55:110
10630250,1sleep121-21ksoftirqd/120:05:201
142919943,1cyclictest9686-21sed20:05:143
142919942,1cyclictest561-21nscd20:20:143
142919942,1cyclictest25624-21apt-get20:40:123
142919942,1cyclictest12043-21cut20:10:173
142919941,2cyclictest2641-21apt-get21:00:123
142919941,1cyclictest17674-21hddtemp_smartct19:15:003
142759941,1cyclictest0-21swapper/120:15:131
142759940,4cyclictest0-21swapper/119:58:471
142759940,3cyclictest0-21swapper/123:37:181
142759940,2cyclictest0-21swapper/123:20:181
142759940,2cyclictest0-21swapper/121:05:141
142759940,2cyclictest0-21swapper/120:50:121
142759940,2cyclictest0-21swapper/120:40:181
142759940,2cyclictest0-21swapper/100:25:221
142759940,1cyclictest0-21swapper/123:15:181
142759940,1cyclictest0-21swapper/120:40:001
142759940,1cyclictest0-21swapper/100:06:281
142759940,0cyclictest0-21swapper/120:45:191
142759931,1cyclictest0-21swapper/120:20:151
142759931,1cyclictest0-21swapper/120:00:111
142759931,1cyclictest0-21swapper/119:30:121
142759931,1cyclictest0-21swapper/119:20:111
142759930,2cyclictest0-21swapper/120:25:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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