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2026-05-13 - 22:46
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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 Wed May 13, 2026 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
75812231157,24sleep00-21swapper/007:07:480
74442218147,56sleep20-21swapper/207:06:022
76372204159,26sleep10-21swapper/107:08:341
75372202140,49sleep30-21swapper/307:07:153
199132680,0sleep10-21swapper/111:42:081
45992650,0sleep30-21swapper/309:55:163
7887991615,1cyclictest28-21ksoftirqd/209:15:192
7887991614,1cyclictest15595-21perf07:24:592
7869991412,1cyclictest22814-21sed08:45:150
7869991411,2cyclictest9273-21pmu-power07:10:190
7887991313,0cyclictest28-21ksoftirqd/210:34:432
7887991310,1cyclictest28-21ksoftirqd/212:39:592
7869991311,1cyclictest9-21ksoftirqd/008:45:010
7869991311,1cyclictest22478-21/usr/sbin/munin12:30:130
7869991310,2cyclictest8047-21ssh10:44:090
788799125,7cyclictest61650irq/122-eno111:03:412
7887991212,0cyclictest28-21ksoftirqd/212:29:182
7887991212,0cyclictest28-21ksoftirqd/209:51:052
7887991211,1cyclictest28-21ksoftirqd/208:40:122
786999129,2cyclictest21803-21cut07:35:200
786999129,2cyclictest15577-21ssh11:35:270
7869991211,1cyclictest0-21swapper/011:25:200
7869991210,2cyclictest1091-21diskmemload11:51:260
7869991210,2cyclictest0-21swapper/010:05:160
7869991210,1cyclictest17598-21fschecks_count08:35:130
7869991210,1cyclictest10885-21awk08:20:180
7895991110,1cyclictest35-21ksoftirqd/307:20:003
788799119,1cyclictest28-21ksoftirqd/211:55:142
788799119,1cyclictest28-21ksoftirqd/207:30:012
7887991110,1cyclictest28-21ksoftirqd/208:35:182
7887991110,1cyclictest28-21ksoftirqd/208:09:592
788799110,10cyclictest10203-21munin-node09:59:442
786999119,1cyclictest7862-21cstates12:10:140
786999119,1cyclictest4474-21fschecks_time12:05:130
786999119,1cyclictest1091-21diskmemload09:49:480
786999119,1cyclictest0-21swapper/007:40:190
786999119,1cyclictest0-21swapper/007:40:190
786999118,2cyclictest9761-21strings10:45:170
786999118,2cyclictest4160-21cat11:20:200
786999118,2cyclictest29273-21chrt10:29:180
786999118,2cyclictest24493-21ssh11:49:300
786999118,2cyclictest15512-21sshd07:24:180
786999118,2cyclictest0-21swapper/009:00:130
786999112,6cyclictest21050-21apt-get09:35:130
786999112,0cyclictest9-21ksoftirqd/011:32:180
7869991111,0cyclictest9-21ksoftirqd/008:32:010
7869991110,1cyclictest1091-21diskmemload10:51:350
7869991110,1cyclictest0-21swapper/010:55:420
786999111,9cyclictest11785-21ssh09:22:070
788799109,1cyclictest28-21ksoftirqd/211:35:002
788799109,1cyclictest28-21ksoftirqd/210:00:162
788799109,1cyclictest28-21ksoftirqd/209:45:122
788799109,1cyclictest28-21ksoftirqd/208:25:142
788799109,1cyclictest0-21swapper/208:50:172
788799109,0cyclictest28-21ksoftirqd/209:25:152
788799108,1cyclictest28-21ksoftirqd/212:15:012
788799108,1cyclictest28-21ksoftirqd/207:35:012
788799108,1cyclictest28-21ksoftirqd/207:19:592
788799107,2cyclictest28-21ksoftirqd/211:05:112
788799107,1cyclictest28-21ksoftirqd/210:20:002
788799106,3cyclictest28-21ksoftirqd/212:20:002
788799100,7cyclictest23530-21snmpd09:35:112
786999109,1cyclictest1091-21diskmemload12:35:110
786999109,1cyclictest1091-21diskmemload10:35:460
786999109,1cyclictest1091-21diskmemload10:14:230
786999109,1cyclictest1091-21diskmemload09:29:380
786999109,1cyclictest0-21swapper/012:26:280
786999109,1cyclictest0-21swapper/012:15:120
786999109,1cyclictest0-21swapper/011:55:540
786999109,1cyclictest0-21swapper/009:31:410
786999109,1cyclictest0-21swapper/009:10:120
786999109,1cyclictest0-21swapper/009:05:140
786999108,1cyclictest693-21runrttasks09:19:250
786999108,1cyclictest1091-21diskmemload11:42:370
786999108,1cyclictest1091-21diskmemload11:11:060
786999105,5cyclictest0-21swapper/011:01:510
786999105,4cyclictest1021-21latency12:00:140
786999104,5cyclictest18604-21/usr/sbin/munin10:15:150
786999103,6cyclictest7091-21ssh09:59:570
786999102,7cyclictest32191-21gpgv08:00:000
786999102,7cyclictest15050-21cut12:20:120
78879999,0cyclictest28-21ksoftirqd/212:20:392
78879998,1cyclictest28-21ksoftirqd/212:31:132
78879998,1cyclictest28-21ksoftirqd/210:24:472
78879998,1cyclictest28-21ksoftirqd/209:40:142
78879998,1cyclictest28-21ksoftirqd/209:10:152
78879998,1cyclictest28-21ksoftirqd/208:15:152
78879998,1cyclictest28-21ksoftirqd/207:10:192
78879997,1cyclictest28-21ksoftirqd/208:55:142
78879997,1cyclictest28-21ksoftirqd/208:10:112
78879993,3cyclictest28-21ksoftirqd/208:20:162
78879990,7cyclictest5423-21kworker/2:110:48:012
78879990,2cyclictest0-21swapper/207:35:112
78879990,1cyclictest20676-21sh11:44:162
78879990,0cyclictest0-21swapper/211:12:282
78819998,1cyclictest21-21ksoftirqd/109:58:541
78819990,3cyclictest0-21swapper/111:20:111
78819990,3cyclictest0-21swapper/111:10:141
78699999,0cyclictest9-21ksoftirqd/009:54:080
78699999,0cyclictest9-21ksoftirqd/008:56:060
78699999,0cyclictest9-21ksoftirqd/008:06:550
78699999,0cyclictest9-21ksoftirqd/007:47:380
78699999,0cyclictest9-21ksoftirqd/007:26:030
78699998,1cyclictest1091-21diskmemload11:15:540
78699998,1cyclictest1091-21diskmemload10:20:270
78699998,1cyclictest0-21swapper/010:00:110
78699998,1cyclictest0-21swapper/009:40:170
78699991,7cyclictest1091-21diskmemload10:30:110
6420290,0sleep30-21swapper/308:10:203
78959987,1cyclictest35-21ksoftirqd/307:55:013
78959986,1cyclictest23530-21snmpd10:30:113
78959981,5cyclictest13226-21/usr/sbin/munin09:25:193
78959980,6cyclictest0-21swapper/312:20:163
78959980,3cyclictest22275-21/usr/sbin/munin09:35:203
78879988,0cyclictest28-21ksoftirqd/212:00:252
78879988,0cyclictest28-21ksoftirqd/209:30:172
78879987,1cyclictest61650irq/122-eno111:26:002
78879987,1cyclictest28-21ksoftirqd/211:50:192
78879987,1cyclictest28-21ksoftirqd/211:20:152
78879987,1cyclictest28-21ksoftirqd/210:50:132
78879987,1cyclictest28-21ksoftirqd/210:07:092
78879987,1cyclictest28-21ksoftirqd/209:23:182
78879987,1cyclictest28-21ksoftirqd/209:00:142
78879987,1cyclictest28-21ksoftirqd/208:35:012
78879987,1cyclictest28-21ksoftirqd/207:45:122
78879986,1cyclictest61650irq/122-eno110:40:102
78879986,1cyclictest32147-21grep09:05:112
78879986,1cyclictest28-21ksoftirqd/210:55:122
78879986,1cyclictest28-21ksoftirqd/210:26:222
78879986,1cyclictest28-21ksoftirqd/208:45:122
78879980,8cyclictest28-21ksoftirqd/207:40:122
78879980,8cyclictest28-21ksoftirqd/207:40:112
78879980,6cyclictest11291-21kworker/u8:210:38:082
78819980,5cyclictest0-21swapper/111:50:031
78819980,5cyclictest0-21swapper/107:15:121
78819980,4cyclictest0-21swapper/112:10:121
78819980,2cyclictest0-21swapper/110:35:111
78699988,0cyclictest9-21ksoftirqd/008:50:070
78699988,0cyclictest9-21ksoftirqd/008:25:030
78699988,0cyclictest9-21ksoftirqd/008:15:040
78699988,0cyclictest9-21ksoftirqd/008:10:050
78699988,0cyclictest9-21ksoftirqd/008:00:040
78699988,0cyclictest9-21ksoftirqd/007:50:030
78699983,2cyclictest240-21systemd-journal07:15:010
78699980,8cyclictest9-21ksoftirqd/011:05:030
78699980,8cyclictest9-21ksoftirqd/007:30:010
78959976,1cyclictest23530-21snmpd11:26:313
78959976,1cyclictest23530-21snmpd11:19:573
78959976,1cyclictest23530-21snmpd11:09:313
78959976,1cyclictest23530-21snmpd10:05:373
78959976,1cyclictest23530-21snmpd08:25:083
78959976,1cyclictest23378-21cat12:30:143
78959975,1cyclictest943-21cat12:00:143
78959975,1cyclictest25801-21cat09:40:163
78959975,1cyclictest2031-21cat10:35:143
78959972,3cyclictest0-21swapper/309:13:283
78959971,4cyclictest26099-21apt-get10:25:113
78959971,3cyclictest28264-21sh11:54:383
78959971,3cyclictest16019-21perf10:55:003
78959970,3cyclictest0-21swapper/310:02:353
78959970,1cyclictest0-21swapper/308:20:113
78879977,0cyclictest28-21ksoftirqd/211:45:092
78879976,1cyclictest28-21ksoftirqd/212:08:472
78879976,1cyclictest28-21ksoftirqd/207:55:212
78879976,0cyclictest61650irq/122-eno111:15:132
78879976,0cyclictest28-21ksoftirqd/210:11:402
78879974,2cyclictest271rcuc/211:35:152
78879970,0cyclictest0-21swapper/207:50:132
78819971,4cyclictest0-21swapper/112:32:351
78819971,1cyclictest0-21swapper/107:50:091
78819970,6cyclictest0-21swapper/110:49:471
78819970,6cyclictest0-21swapper/108:15:151
78819970,4cyclictest0-21swapper/112:05:101
78819970,4cyclictest0-21swapper/112:01:531
78819970,4cyclictest0-21swapper/111:15:111
78819970,4cyclictest0-21swapper/110:50:161
78819970,4cyclictest0-21swapper/110:11:051
78819970,4cyclictest0-21swapper/109:27:571
78819970,4cyclictest0-21swapper/109:15:091
78819970,1cyclictest0-21swapper/110:30:111
78959965,1cyclictest8271-21cat08:15:153
78959965,1cyclictest35-21ksoftirqd/308:35:433
78959965,1cyclictest31261-21ssh11:57:313
78959965,1cyclictest29643-21ssh11:11:223
78959965,1cyclictest23530-21snmpd12:05:223
78959965,1cyclictest23530-21snmpd07:13:523
78959965,1cyclictest19300-21ssh11:40:223
78959965,1cyclictest18544-21ssh10:56:403
78959963,1cyclictest240-21systemd-journal09:09:543
78959962,3cyclictest5207-21sh09:15:093
78959961,4cyclictest15589-1kworker/u9:011:03:033
78959961,3cyclictest1091-21diskmemload12:10:133
78959961,2cyclictest10740-21taskset09:20:213
78959961,1cyclictest28807-21perf08:59:593
78959961,1cyclictest22897-21apt-get07:40:123
78959961,1cyclictest22897-21apt-get07:40:113
78959961,1cyclictest0-21swapper/309:50:093
78959960,6cyclictest30367-21/usr/sbin/munin09:00:193
78959960,6cyclictest21595-21ssh10:18:443
78959960,5cyclictest7849-21cyclictest10:47:443
78959960,3cyclictest11868-21fschecks_count12:15:143
78959960,2cyclictest0-21swapper/312:35:113
78959960,2cyclictest0-21swapper/312:25:543
78959960,1cyclictest0-21swapper/309:31:083
78879960,6cyclictest0-21swapper/208:04:372
78819963,1cyclictest0-21swapper/111:55:161
78819961,2cyclictest0-21swapper/109:30:151
78819960,6cyclictest0-21swapper/112:22:051
78819960,6cyclictest0-21swapper/111:06:571
78819960,6cyclictest0-21swapper/110:56:391
78819960,6cyclictest0-21swapper/110:06:161
78819960,6cyclictest0-21swapper/109:40:161
78819960,6cyclictest0-21swapper/109:36:541
78819960,6cyclictest0-21swapper/109:24:151
78819960,6cyclictest0-21swapper/107:30:081
78819960,6cyclictest0-21swapper/107:13:521
78819960,5cyclictest0-21swapper/111:46:331
78819960,4cyclictest0-21swapper/110:21:001
78819960,4cyclictest0-21swapper/110:16:331
78819960,3cyclictest0-21swapper/111:31:051
78819960,3cyclictest0-21swapper/108:55:101
78819960,0cyclictest0-21swapper/112:37:481
78959955,0cyclictest23387-21ssh11:46:233
78959955,0cyclictest18221-21ssh10:14:453
78959954,1cyclictest35-21ksoftirqd/308:30:113
78959954,1cyclictest35-21ksoftirqd/307:27:263
78959954,1cyclictest23530-21snmpd07:47:123
78959954,1cyclictest23530-21snmpd07:30:083
78959953,1cyclictest23530-21snmpd10:20:103
78959953,1cyclictest23530-21snmpd08:49:533
78959952,2cyclictest0-21swapper/311:20:153
78959951,2cyclictest0-21swapper/310:40:103
78959951,1cyclictest2466-21apt-get08:05:113
78959950,3cyclictest15610-21ssh11:35:323
78959950,2cyclictest0-21swapper/311:30:253
78959950,1cyclictest226822grep07:40:013
78959950,1cyclictest0-21swapper/309:46:013
78819955,0cyclictest0-21swapper/107:35:211
78819951,3cyclictest0-21swapper/109:45:171
78819951,2cyclictest0-21swapper/108:25:111
78819950,5cyclictest0-21swapper/112:25:191
78819950,5cyclictest0-21swapper/107:47:111
78819950,4cyclictest3252-21taskset09:10:481
78819950,4cyclictest0-21swapper/111:01:121
78819950,3cyclictest0-21swapper/111:35:141
78819950,3cyclictest0-21swapper/110:29:131
78819950,2cyclictest16465-21chrt08:33:361
78819950,2cyclictest0-21swapper/111:28:131
78819950,2cyclictest0-21swapper/108:50:011
78819950,1cyclictest0-21swapper/110:40:101
78959943,1cyclictest20525-21ntp_kernel_err08:40:183
78959942,1cyclictest30488-21cut07:55:133
78959941,2cyclictest25267-21ntp_states08:50:173
78959940,3cyclictest13465-21apt-get07:20:123
78959940,2cyclictest0-21swapper/308:00:003
78819942,1cyclictest73822sleep110:00:031
78819942,1cyclictest179532sleep107:30:001
78819941,2cyclictest0-21swapper/108:20:141
78819940,3cyclictest0-21swapper/109:51:461
78819940,3cyclictest0-21swapper/107:20:121
78819940,2cyclictest0-21swapper/112:15:131
78819940,2cyclictest0-21swapper/108:50:121
78819940,2cyclictest0-21swapper/108:40:111
78819940,2cyclictest0-21swapper/108:35:001
78819940,2cyclictest0-21swapper/108:10:011
78819940,2cyclictest0-21swapper/108:05:111
78819940,1cyclictest0-21swapper/107:40:121
78819940,1cyclictest0-21swapper/107:40:111
78819940,0cyclictest0-21swapper/109:00:121
78819931,1cyclictest0-21swapper/109:05:091
78819931,1cyclictest0-21swapper/108:00:131
78819930,1cyclictest0-21swapper/107:55:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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