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2025-12-26 - 10:40
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackaslot8.osadl.org (updated Fri Dec 26, 2025 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
230922315285,19sleep20-21swapper/219:07:262
229752280254,17sleep10-21swapper/119:05:571
231062274206,22sleep00-21swapper/019:07:320
229832254226,18sleep30-21swapper/319:06:023
297702690,0sleep029773-21munin-run20:35:000
305432640,0sleep10-21swapper/123:39:581
181212610,0sleep30-21swapper/322:05:023
246032600,0sleep30-21swapper/323:18:413
148182600,0sleep10-21swapper/123:48:531
56352590,0sleep20-21swapper/222:15:172
271842590,0sleep00-21swapper/000:30:330
90452570,0sleep20-21swapper/222:52:062
194832570,0sleep20-21swapper/220:10:162
178112570,0sleep00-21swapper/022:04:580
108122550,0sleep10-21swapper/100:04:391
172492540,0sleep10-21swapper/121:46:301
9142200,0sleep20-21swapper/223:05:192
235212180,0sleep10-21swapper/122:42:201
92332170,0sleep20-21swapper/223:10:142
66432160,0sleep00-21swapper/022:50:260
321462160,0sleep10-21swapper/100:33:591
206252160,0sleep10-21swapper/122:58:441
157532150,0sleep30-21swapper/322:20:233
242652130,0sleep00-21swapper/023:35:390
296682120,1sleep00-21swapper/021:18:480
25642100,1sleep20-21swapper/222:48:532
2341499108,2cyclictest34-21ksoftirqd/321:10:003
3355290,0sleep00-21swapper/023:06:360
22854290,0sleep30-21swapper/321:32:213
29523280,0sleep10-21swapper/121:53:311
234149983,3cyclictest275-21systemd-journal22:29:553
234059984,3cyclictest275-21systemd-journal20:32:471
234059980,1cyclictest26909-21apt-key21:35:001
233979983,3cyclictest275-21systemd-journal20:16:350
233979980,7cyclictest12373-21ssh21:44:260
22329280,0sleep20-21swapper/221:31:592
9374270,0sleep30-21swapper/322:52:193
234149974,2cyclictest8596-21sshd00:03:083
234149973,1cyclictest0-21swapper/322:33:553
234149970,1cyclictest0-21swapper/323:03:263
234099975,2cyclictest30379-21ssh22:11:002
234099974,2cyclictest28-21ksoftirqd/200:25:002
234099974,2cyclictest21014-21apt-get00:10:132
234099973,3cyclictest560-21gdbus21:00:002
234099973,3cyclictest504-21dbus-daemon23:35:192
234059974,2cyclictest275-21systemd-journal23:44:561
234059973,3cyclictest658-21snmpd22:17:411
234059973,3cyclictest275-21systemd-journal23:02:521
234059973,3cyclictest21764-21cat20:15:191
234059971,3cyclictest27150-21grep22:10:001
234059970,4cyclictest31475-21dump-pmu-power21:20:011
233979974,2cyclictest17135-21ntpq00:25:170
233979973,3cyclictest275-21systemd-journal20:53:380
233979973,3cyclictest11580-21sshd22:35:390
233979972,3cyclictest275-21systemd-journal23:48:580
17152270,0sleep10-21swapper/122:04:321
13603270,0sleep30-21swapper/321:10:143
29768260,0sleep10-21swapper/123:20:591
29610260,0sleep30-21swapper/319:20:173
29610260,0sleep30-21swapper/319:20:163
234149966,0cyclictest0-21swapper/323:30:073
234149966,0cyclictest0-21swapper/322:35:453
234149964,1cyclictest22466-21diskstats23:35:133
234149963,2cyclictest8714-21ssh23:10:073
234149963,2cyclictest8433-21ssh21:41:453
234149963,2cyclictest658-21snmpd22:01:393
234149963,2cyclictest658-21snmpd20:52:113
234149963,2cyclictest4855-21ntpq23:25:183
234149963,2cyclictest4855-21ntpq23:25:183
234149963,2cyclictest3550-21ssh21:56:363
234149963,2cyclictest32317-21sh00:34:043
234149963,2cyclictest32068-21ssh22:12:083
234149963,2cyclictest31570-21expr23:40:133
234149963,2cyclictest31524-21ssh23:22:113
234149963,2cyclictest31327-21ssh23:57:463
234149963,2cyclictest2723-21rm23:06:103
234149963,2cyclictest17640-21grep23:50:173
234149963,1cyclictest0-21swapper/300:24:573
234149962,3cyclictest658-21snmpd23:45:303
234149962,3cyclictest658-21snmpd21:35:283
234149962,3cyclictest658-21snmpd21:15:093
234149962,3cyclictest658-21snmpd20:59:183
234149962,3cyclictest658-21snmpd20:30:483
234149962,3cyclictest658-21snmpd20:23:033
234149962,3cyclictest658-21snmpd20:15:143
234149962,3cyclictest658-21snmpd20:09:073
234149962,3cyclictest658-21snmpd19:35:443
234149962,3cyclictest658-21snmpd00:25:503
234149962,3cyclictest5745-21cat22:15:183
234149962,3cyclictest472-21cat20:40:163
234149962,3cyclictest30321-21cat20:35:163
234149962,3cyclictest23812-21cat21:50:153
234149962,3cyclictest14805-21ssh00:06:103
234149962,1cyclictest0-21swapper/322:56:473
234149962,1cyclictest0-21swapper/321:45:173
234149962,1cyclictest0-21swapper/321:24:243
234149962,1cyclictest0-21swapper/300:11:153
234149961,4cyclictest504-11dbus-daemon19:45:403
234149960,6cyclictest0-21swapper/322:45:083
234149960,6cyclictest0-21swapper/321:25:453
234149960,6cyclictest0-21swapper/300:17:163
234149960,5cyclictest19354-21fschecks_time22:40:123
234149960,2cyclictest504-21dbus-daemon00:35:003
234149960,0cyclictest0-21swapper/319:26:393
234099964,1cyclictest465-21grep21:55:162
234099963,3cyclictest27660-21apt-get21:35:112
234099963,2cyclictest504-21dbus-daemon21:25:012
234099963,2cyclictest4955-21cat20:50:152
234099963,2cyclictest4420-21grep23:25:152
234099963,2cyclictest4420-21grep23:25:152
234099963,2cyclictest3597-21awk20:45:232
234099963,2cyclictest30240-21chrt22:28:582
234099963,2cyclictest28476-21sh23:55:472
234099963,2cyclictest18169-21sh00:25:362
234099963,2cyclictest17411-21latency20:05:152
234099962,3cyclictest8835-21cat23:45:172
234099962,3cyclictest658-21snmpd23:18:462
234099962,3cyclictest658-21snmpd22:42:522
234099962,3cyclictest658-21snmpd21:52:382
234099962,3cyclictest658-21snmpd20:37:362
234099962,3cyclictest658-21snmpd20:00:222
234099962,3cyclictest658-21snmpd19:52:052
234099962,3cyclictest658-21snmpd19:41:352
234099962,3cyclictest658-21snmpd19:13:222
234099962,3cyclictest658-21snmpd00:39:042
234099962,3cyclictest3864-21grep19:35:172
234099962,3cyclictest28702-21grep23:20:202
234099962,3cyclictest275-21systemd-journal22:08:082
234099962,3cyclictest2700-21seq19:30:592
234099962,3cyclictest22502-21cat20:15:242
234099962,3cyclictest20824-11brltty20:26:122
234099962,3cyclictest15054-21ntp_states22:20:182
234099962,3cyclictest14998-21awk21:45:192
234099962,1cyclictest0-21swapper/223:53:502
234099962,1cyclictest0-21swapper/200:15:142
234099961,4cyclictest1-21systemd00:00:002
234099961,4cyclictest0-21swapper/200:05:212
234099960,6cyclictest0-21swapper/223:40:172
234099960,6cyclictest0-21swapper/221:26:172
234099960,6cyclictest0-21swapper/219:25:232
234099960,0cyclictest0-21swapper/223:01:052
234099960,0cyclictest0-21swapper/222:35:272
234099960,0cyclictest0-21swapper/222:33:532
234059966,0cyclictest0-21swapper/123:55:161
234059966,0cyclictest0-21swapper/123:34:431
234059966,0cyclictest0-21swapper/123:11:291
234059963,2cyclictest658-21snmpd22:50:541
234059963,2cyclictest32124-21cat22:30:011
234059963,2cyclictest31169-21systemctl20:35:201
234059963,2cyclictest30352-21ssh22:45:431
234059963,2cyclictest30286-21uptime19:20:211
234059963,2cyclictest30286-21uptime19:20:201
234059963,2cyclictest275-21systemd-journal19:42:441
234059963,2cyclictest23655-21ls20:20:121
234059963,2cyclictest23102-21sh22:25:121
234059963,2cyclictest13502-21sh22:36:581
234059963,2cyclictest11570-21ssh00:22:301
234059963,2cyclictest0-21swapper/122:22:211
234059963,2cyclictest0-21swapper/100:05:461
234059963,1cyclictest0-21swapper/121:11:421
234059962,3cyclictest665-21cat21:55:171
234059962,3cyclictest658-21snmpd23:54:561
234059962,3cyclictest658-21snmpd23:18:131
234059962,3cyclictest658-21snmpd22:10:591
234059962,3cyclictest658-21snmpd21:10:011
234059962,3cyclictest658-21snmpd21:00:131
234059962,3cyclictest658-21snmpd20:42:441
234059962,3cyclictest658-21snmpd19:55:071
234059962,3cyclictest658-21snmpd19:54:191
234059962,3cyclictest658-21snmpd00:37:221
234059962,3cyclictest5218-21ntp_kernel_pll_20:50:181
234059962,3cyclictest32650-21smartctl21:20:141
234059962,3cyclictest275-21systemd-journal21:40:001
234059962,3cyclictest26252-21cat20:25:151
234059962,3cyclictest21437-21diskstats00:10:151
234059961,3cyclictest275-21systemd-journal19:30:021
234059960,6cyclictest0-21swapper/121:40:321
234059960,6cyclictest0-21swapper/121:28:301
234059960,1cyclictest9732-21munin-run19:50:001
234059960,0cyclictest0-21swapper/100:16:341
233979966,0cyclictest0-21swapper/023:00:190
233979966,0cyclictest0-21swapper/000:21:450
233979965,1cyclictest0-21swapper/023:40:070
233979964,1cyclictest503-21rs:main0
233979963,2cyclictest8088-21ssh23:27:060
233979963,2cyclictest8088-21ssh23:27:060
233979963,2cyclictest7015-21rm00:02:040
233979963,2cyclictest658-21snmpd21:30:400
233979963,2cyclictest658-21snmpd00:07:000
233979963,2cyclictest4924-21ssh00:36:060
233979963,2cyclictest30708-21sh21:36:120
233979963,2cyclictest30146-21ssh22:10:500
233979963,2cyclictest275-21systemd-journal20:22:460
233979963,2cyclictest17883-21ssh22:56:530
233979963,2cyclictest10218-21sendmail_mailqu23:10:210
233979962,3cyclictest658-21snmpd23:55:410
233979962,3cyclictest658-21snmpd23:32:050
233979962,3cyclictest658-21snmpd22:34:400
233979962,3cyclictest658-21snmpd22:20:420
233979962,3cyclictest658-21snmpd20:46:570
233979962,3cyclictest658-21snmpd20:27:500
233979962,3cyclictest658-21snmpd20:04:590
233979962,3cyclictest658-21snmpd19:39:280
233979962,3cyclictest658-21snmpd19:24:470
233979962,3cyclictest658-21snmpd19:24:470
233979962,3cyclictest658-21snmpd19:11:000
233979962,3cyclictest5098-21expr22:15:150
233979962,3cyclictest31889-21ntpq19:25:180
233979962,3cyclictest275-21systemd-journal20:57:280
233979962,3cyclictest275-21systemd-journal19:45:390
233979962,3cyclictest18704-21cat23:15:160
233979962,1cyclictest0-21swapper/023:20:200
233979962,1cyclictest0-21swapper/021:11:240
233979962,1cyclictest0-21swapper/000:16:320
233979961,3cyclictest275-21systemd-journal22:45:060
233979960,6cyclictest0-21swapper/022:41:260
233979960,6cyclictest0-21swapper/022:27:510
233979960,6cyclictest0-21swapper/021:26:500
10267260,0sleep00-21swapper/019:50:120
234149955,0cyclictest0-21swapper/319:10:193
234149953,1cyclictest5528-21/usr/sbin/munin19:40:153
234149952,2cyclictest9170-21fschecks_count21:00:143
234149952,2cyclictest658-21snmpd20:27:393
234149952,2cyclictest312-11brltty19:55:163
234149952,2cyclictest2859-21/usr/sbin/munin20:45:203
234149952,2cyclictest16077-21chrt20:01:163
234149951,3cyclictest658-21snmpd19:15:103
234149951,3cyclictest19555-21cat20:10:163
234149951,3cyclictest1043-21gdbus19:30:013
234149950,4cyclictest0-21swapper/319:50:123
234099953,1cyclictest29323-21cut19:20:142
234099953,1cyclictest29323-21cut19:20:142
234099953,1cyclictest28-21ksoftirqd/219:15:012
234099953,1cyclictest22607-21sh21:15:102
234099953,1cyclictest13340-21ssh21:10:102
234099952,2cyclictest9257-21/usr/sbin/munin22:00:132
234099952,2cyclictest8437-21cat19:45:152
234099952,2cyclictest674-21lldpd21:06:482
234099952,2cyclictest658-21snmpd23:30:042
234099952,2cyclictest658-21snmpd22:55:042
234099952,2cyclictest4347-21ssh21:40:042
234099952,2cyclictest28172-21expr20:30:152
234099952,2cyclictest25190-21cat00:30:122
234099952,2cyclictest12529-21expr19:55:112
234099951,3cyclictest9362-21ls21:00:152
234099951,3cyclictest24790-21sed20:20:202
234099950,3cyclictest658-21snmpd20:40:012
234059953,1cyclictest4002-21irqstats19:35:181
234059953,1cyclictest3357-21xargs20:45:231
234059952,2cyclictest658-21snmpd19:10:331
234059952,2cyclictest6238-21cron20:59:561
234059952,2cyclictest4524-21ssh23:25:171
234059952,2cyclictest4524-21ssh23:25:171
234059952,2cyclictest32519-21cat23:05:131
234059952,2cyclictest19060-21tr20:10:141
234059951,3cyclictest674-21lldpd20:00:011
234059951,3cyclictest658-21snmpd19:30:351
234059951,3cyclictest26598-21cat19:15:131
234059951,3cyclictest17779-21/usr/sbin/munin20:05:191
234059950,3cyclictest275-21systemd-journal00:25:011
233979955,0cyclictest0-21swapper/021:55:070
233979953,1cyclictest20741-21sh00:10:040
233979952,2cyclictest658-21snmpd20:05:050
233979952,2cyclictest32725-21cat21:20:140
233979952,2cyclictest322-21expr20:40:150
233979952,2cyclictest26021-21ntpq19:15:020
233979952,2cyclictest22804-21sh21:50:040
233979952,2cyclictest2051-21uname19:30:170
233979952,2cyclictest13533-21sh21:45:040
233979952,2cyclictest13480-21date19:55:180
233979952,2cyclictest11890-21ntpq21:05:160
233979952,1cyclictest0-21swapper/023:50:150
233979951,3cyclictest658-21snmpd20:10:150
233979951,3cyclictest30528-21fw_packets20:35:160
233979951,3cyclictest10261-21grep21:00:220
233979951,3cyclictest0-21swapper/022:05:110
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