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2026-05-10 - 18:19
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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 Sun May 10, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
305532218158,47sleep10-21swapper/107:08:141
306612217153,22sleep30-21swapper/307:09:363
304102200160,25sleep20-21swapper/207:06:222
305522197158,24sleep00-21swapper/007:08:130
86232570,0sleep30-21swapper/311:40:173
94522180,1sleep121-21ksoftirqd/108:40:131
30796991412,1cyclictest16740-21egrep08:55:143
30796991310,2cyclictest8282-21gzip09:30:183
30796991310,2cyclictest16358-21sensors_temp11:50:193
30796991310,2cyclictest12734-21tail08:45:163
3077499134,4cyclictest0-21swapper/009:40:000
3079699129,2cyclictest26667-21switchtime08:05:203
3079699124,7cyclictest11558-21awk11:00:203
3079699123,8cyclictest23418-21diskmemload09:50:143
30774991210,1cyclictest9-21ksoftirqd/012:05:000
30774991210,1cyclictest6302-21ssh11:37:410
3079699119,1cyclictest8060-21users07:25:213
3079699119,1cyclictest23418-21diskmemload09:13:573
3079699119,1cyclictest0-21swapper/310:00:153
3079699118,2cyclictest2050-21memory10:05:173
3079699116,4cyclictest7489-21sendmail_mailqu10:55:213
30796991110,1cyclictest5175-21apt-get12:20:113
30796991110,1cyclictest3405-21ssh12:15:553
30796991110,1cyclictest31245-21rt-features08:15:203
30796991110,1cyclictest0-21swapper/310:15:133
3079699111,9cyclictest18931-21ssh12:37:263
3079699111,9cyclictest17408-21ssh09:43:303
3079699111,5cyclictest0-21swapper/307:15:113
3079699111,1cyclictest6441-21ssh11:38:043
30787991110,1cyclictest28-21ksoftirqd/211:45:002
3077499118,2cyclictest9-21ksoftirqd/011:50:150
3077499113,4cyclictest4530-21perf10:10:000
3077499112,4cyclictest21101-21sed09:05:000
30774991110,1cyclictest9-21ksoftirqd/010:40:010
30774991110,1cyclictest9-21ksoftirqd/009:30:000
3079699109,1cyclictest0-21swapper/311:17:423
3079699109,1cyclictest0-21swapper/310:35:133
3079699109,1cyclictest0-21swapper/309:25:133
3079699108,2cyclictest0-21swapper/308:00:133
3079699103,6cyclictest465-21mailstats09:20:193
3079699103,6cyclictest0-21swapper/309:45:563
3078799100,1cyclictest0-21swapper/212:05:502
3077499109,1cyclictest9-21ksoftirqd/011:35:010
3077499109,1cyclictest9-21ksoftirqd/009:50:010
3077499108,1cyclictest9-21ksoftirqd/009:45:010
3077499108,1cyclictest9-21ksoftirqd/009:20:140
307969999,0cyclictest0-21swapper/307:50:203
307969998,1cyclictest23418-21diskmemload11:45:343
307969998,1cyclictest23418-21diskmemload09:55:163
307969998,1cyclictest0-21swapper/312:01:203
307969998,1cyclictest0-21swapper/308:30:133
307969997,1cyclictest22010-21perl09:05:153
307969997,1cyclictest0-21swapper/307:10:153
307969995,3cyclictest4296-21cat07:20:123
307969993,6cyclictest0-21swapper/311:10:213
307969992,5cyclictest23418-21diskmemload11:25:553
307969991,8cyclictest341rcuc/312:11:323
307969991,8cyclictest341rcuc/312:06:143
307969991,8cyclictest341rcuc/311:56:143
307969991,8cyclictest341rcuc/311:20:043
307969991,8cyclictest341rcuc/311:06:183
307969991,8cyclictest341rcuc/310:51:143
307969991,8cyclictest341rcuc/310:45:303
307969991,8cyclictest341rcuc/310:34:323
307969991,8cyclictest341rcuc/310:21:043
307969991,8cyclictest341rcuc/310:11:303
307969991,8cyclictest341rcuc/309:35:103
307969991,8cyclictest341rcuc/309:15:583
307969991,8cyclictest341rcuc/308:40:123
307969991,7cyclictest341rcuc/309:00:383
307969991,0cyclictest35-21ksoftirqd/312:25:263
307969991,0cyclictest35-21ksoftirqd/311:30:163
307969991,0cyclictest341rcuc/310:41:563
307969991,0cyclictest0-21swapper/310:29:403
307969990,9cyclictest35-21ksoftirqd/308:21:163
307969990,8cyclictest35-21ksoftirqd/312:31:203
307879998,1cyclictest28-21ksoftirqd/208:25:112
307749998,1cyclictest9-21ksoftirqd/011:55:130
307749998,1cyclictest9-21ksoftirqd/011:25:140
307749998,1cyclictest9-21ksoftirqd/010:00:000
307749998,1cyclictest9-21ksoftirqd/008:50:120
307749998,1cyclictest9-21ksoftirqd/008:50:010
307749998,1cyclictest561-21nscd12:05:180
307749997,1cyclictest9-21ksoftirqd/009:50:120
307749997,1cyclictest9-21ksoftirqd/009:00:000
307749997,1cyclictest9-21ksoftirqd/007:40:000
307749994,2cyclictest240-21systemd-journal07:55:000
307749991,2cyclictest23418-21diskmemload09:57:480
307749990,7cyclictest31044-21apt-get10:45:120
8801280,0sleep20-21swapper/210:57:562
7470280,0sleep20-21swapper/212:21:472
307969981,7cyclictest341rcuc/308:10:263
307969981,0cyclictest341rcuc/307:45:143
307969981,0cyclictest341rcuc/307:40:023
307969980,8cyclictest35-21ksoftirqd/308:25:023
307969980,8cyclictest35-21ksoftirqd/307:55:043
307969980,8cyclictest35-21ksoftirqd/307:35:043
307969980,8cyclictest35-21ksoftirqd/307:30:383
307969980,8cyclictest0-21swapper/308:50:023
307969980,0cyclictest35-21ksoftirqd/308:35:043
307879988,0cyclictest28-21ksoftirqd/209:55:002
307879987,1cyclictest28-21ksoftirqd/208:25:002
307879986,1cyclictest61650irq/122-eno112:13:462
307879986,1cyclictest61650irq/122-eno110:10:162
307879986,1cyclictest23530-21snmpd10:27:332
307879981,6cyclictest27266-21sh11:21:592
307799980,5cyclictest0-21swapper/109:50:131
307799980,4cyclictest0-21swapper/112:25:111
307749988,0cyclictest9-21ksoftirqd/009:20:000
307749987,1cyclictest9-21ksoftirqd/010:30:130
307749987,1cyclictest9-21ksoftirqd/010:15:120
307749987,1cyclictest10208-21ssh11:43:070
307749986,1cyclictest9-21ksoftirqd/010:40:470
307749986,1cyclictest9-21ksoftirqd/008:40:000
307749986,1cyclictest9-21ksoftirqd/008:05:000
307749986,1cyclictest9-21ksoftirqd/007:25:000
307749986,1cyclictest9-21ksoftirqd/007:15:000
307749986,1cyclictest23530-21snmpd10:24:110
307749984,4cyclictest709-21kworker/0:009:11:130
307749981,6cyclictest3532-21ssh12:16:160
307749981,6cyclictest24894-21ssh11:20:100
307749981,6cyclictest13638-21apt-get11:05:110
307749981,6cyclictest13174-21ssh11:45:550
307749980,7cyclictest15593-21ssh12:33:330
307749980,7cyclictest0-21swapper/012:10:110
23656280,0sleep10-21swapper/109:10:051
307879976,1cyclictest61650irq/122-eno112:15:142
307879976,1cyclictest61650irq/122-eno111:16:252
307879976,1cyclictest61650irq/122-eno111:02:212
307879976,1cyclictest61650irq/122-eno109:21:362
307879976,1cyclictest61650irq/122-eno108:00:002
307879976,1cyclictest32245-21ntpq10:45:182
307879976,1cyclictest30844-21ntpq10:00:172
307879976,1cyclictest28-21ksoftirqd/212:05:002
307879976,1cyclictest28-21ksoftirqd/207:25:002
307879975,1cyclictest28-21ksoftirqd/208:49:252
307879975,1cyclictest28-21ksoftirqd/208:05:132
307879975,1cyclictest23530-21snmpd10:43:292
307879975,1cyclictest23530-21snmpd08:36:112
307879975,1cyclictest12339-21ntpq11:45:182
307879970,5cyclictest0-21swapper/208:15:132
307879970,4cyclictest20201-21awk09:00:192
307879970,1cyclictest0-21swapper/209:44:492
307799976,1cyclictest0-21swapper/107:52:131
307799972,1cyclictest0-21swapper/111:50:131
307799970,6cyclictest0-21swapper/111:05:101
307799970,6cyclictest0-21swapper/110:35:321
307799970,6cyclictest0-21swapper/107:28:331
307799970,4cyclictest0-21swapper/108:35:181
307799970,1cyclictest0-21swapper/108:56:051
307749976,1cyclictest9-21ksoftirqd/012:35:120
307749976,1cyclictest9-21ksoftirqd/007:30:000
307749976,1cyclictest5467-21cat08:30:150
307749976,1cyclictest23530-21snmpd08:15:580
307749975,1cyclictest9-21ksoftirqd/008:30:000
307749975,1cyclictest9-21ksoftirqd/008:20:130
307749975,1cyclictest23530-21snmpd10:56:120
307749975,1cyclictest23530-21snmpd07:33:000
307749975,1cyclictest22189-21cat09:05:160
307749974,2cyclictest22654-21latency_hist08:00:000
307749971,6cyclictest12037-21ssh12:29:040
307749970,6cyclictest8305-21mailstats09:30:190
307749970,6cyclictest23418-21diskmemload12:20:200
307749970,6cyclictest23418-21diskmemload10:11:040
307749970,6cyclictest17894-21diskstats11:10:130
307749970,6cyclictest16712-21tune2fs10:25:150
307749970,6cyclictest15689-21sed07:45:000
307749970,6cyclictest0-21swapper/008:40:190
307749970,1cyclictest500-21sshd07:13:250
307749970,1cyclictest23418-21diskmemload10:54:460
307879966,0cyclictest61650irq/122-eno112:35:202
307879966,0cyclictest61650irq/122-eno112:32:442
307879966,0cyclictest61650irq/122-eno112:25:182
307879966,0cyclictest61650irq/122-eno111:26:212
307879966,0cyclictest61650irq/122-eno111:10:312
307879966,0cyclictest61650irq/122-eno111:05:122
307879966,0cyclictest61650irq/122-eno110:35:132
307879966,0cyclictest61650irq/122-eno110:20:362
307879966,0cyclictest61650irq/122-eno109:55:502
307879966,0cyclictest61650irq/122-eno109:45:102
307879966,0cyclictest61650irq/122-eno109:35:062
307879966,0cyclictest61650irq/122-eno109:31:292
307879966,0cyclictest61650irq/122-eno109:15:152
307879966,0cyclictest61650irq/122-eno109:11:242
307879966,0cyclictest61650irq/122-eno108:55:442
307879966,0cyclictest61650irq/122-eno108:30:132
307879966,0cyclictest61650irq/122-eno107:40:122
307879966,0cyclictest61650irq/122-eno107:13:482
307879965,1cyclictest61650irq/122-eno111:30:182
307879965,1cyclictest61650irq/122-eno110:30:112
307879965,1cyclictest61650irq/122-eno109:26:002
307879965,1cyclictest28-21ksoftirqd/208:50:022
307879965,1cyclictest1931-21cat10:05:162
307879965,1cyclictest18617-21ssh11:55:062
307879965,0cyclictest61650irq/122-eno111:35:152
307879965,0cyclictest61650irq/122-eno110:50:122
307879962,1cyclictest23418-21diskmemload11:50:192
307879961,3cyclictest8680-21/usr/sbin/munin07:30:142
307879960,6cyclictest0-21swapper/208:10:522
307879960,6cyclictest0-21swapper/207:26:392
307879960,5cyclictest0-21swapper/209:05:222
307879960,5cyclictest0-21swapper/207:52:222
307879960,3cyclictest0-21swapper/210:15:022
307879960,1cyclictest0-21swapper/208:00:112
307799961,3cyclictest0-21swapper/112:06:441
307799960,6cyclictest0-21swapper/111:44:371
307799960,6cyclictest0-21swapper/111:23:291
307799960,6cyclictest0-21swapper/111:18:101
307799960,6cyclictest0-21swapper/111:10:221
307799960,6cyclictest0-21swapper/110:04:281
307799960,6cyclictest0-21swapper/109:05:241
307799960,6cyclictest0-21swapper/108:31:561
307799960,6cyclictest0-21swapper/107:18:181
307799960,5cyclictest0-21swapper/112:33:061
307799960,5cyclictest0-21swapper/109:30:031
307799960,5cyclictest0-21swapper/109:29:211
307799960,5cyclictest0-21swapper/107:47:491
307799960,4cyclictest0-21swapper/112:19:501
307799960,3cyclictest0-21swapper/109:40:121
307799960,1cyclictest0-21swapper/110:34:531
307799960,1cyclictest0-21swapper/109:22:541
307799960,1cyclictest0-21swapper/109:17:251
307799960,0cyclictest0-21swapper/111:32:361
307749964,1cyclictest23530-21snmpd07:45:200
307749960,5cyclictest0-21swapper/008:10:120
307749960,4cyclictest240-21systemd-journal11:00:000
307749960,2cyclictest21116-21/usr/sbin/munin11:15:190
307749960,0cyclictest0-21swapper/008:05:200
25717260,0sleep10-21swapper/112:03:591
307879955,0cyclictest61650irq/122-eno107:46:252
307879954,1cyclictest61650irq/122-eno108:40:202
307879954,1cyclictest28-21ksoftirqd/207:15:002
307879951,3cyclictest11550-21diskstats07:35:152
307799955,0cyclictest0-21swapper/110:11:151
307799950,5cyclictest0-21swapper/112:21:101
307799950,5cyclictest0-21swapper/111:02:561
307799950,5cyclictest0-21swapper/109:36:251
307799950,5cyclictest0-21swapper/108:00:021
307799950,5cyclictest0-21swapper/107:58:461
307799950,3cyclictest0-21swapper/108:45:121
307799950,2cyclictest0-21swapper/112:12:191
307799950,2cyclictest0-21swapper/111:56:191
307799950,2cyclictest0-21swapper/110:51:501
307799950,2cyclictest0-21swapper/110:41:011
307799950,2cyclictest0-21swapper/109:55:531
307799950,1cyclictest0-21swapper/110:45:111
307799950,1cyclictest0-21swapper/110:21:461
307799950,1cyclictest0-21swapper/109:00:131
307799950,0cyclictest0-21swapper/111:25:371
307799950,0cyclictest0-21swapper/107:44:361
307799944,0cyclictest0-21swapper/111:39:091
307799943,1cyclictest89612sleep110:15:121
307799942,1cyclictest0-21swapper/112:35:481
307799942,1cyclictest0-21swapper/110:05:471
307799942,1cyclictest0-21swapper/109:45:321
307799942,1cyclictest0-21swapper/107:10:151
307799940,4cyclictest0-21swapper/108:24:351
307799940,3cyclictest0-21swapper/110:55:211
307799940,2cyclictest0-21swapper/111:45:121
307799940,2cyclictest0-21swapper/107:35:161
307799940,1cyclictest0-21swapper/110:25:121
307799940,1cyclictest0-21swapper/108:52:001
307799940,1cyclictest0-21swapper/108:30:001
307799940,0cyclictest0-21swapper/108:11:591
307799932,1cyclictest25188-21chrt08:05:001
307799931,1cyclictest0-21swapper/107:20:111
307799930,1cyclictest0-21swapper/108:15:141
307799930,0cyclictest0-21swapper/107:30:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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