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2025-09-11 - 18:10
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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 Thu Sep 11, 2025 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
66762316283,21sleep20-21swapper/207:07:012
65922267234,20sleep00-21swapper/007:05:540
67822264229,22sleep30-21swapper/307:08:223
49312258223,23sleep10-21swapper/107:05:111
162322630,0sleep30-21swapper/310:24:273
28342610,0sleep20-21swapper/210:11:322
280802590,0sleep10-21swapper/110:05:191
253852570,0sleep00-21swapper/011:56:100
240152570,0sleep10-21swapper/109:32:351
68022560,0sleep00-21swapper/009:45:190
8352540,0sleep30-21swapper/308:05:163
50992190,0sleep00-21swapper/010:14:150
272332190,0sleep10-21swapper/111:02:371
208412190,3sleep228-21ksoftirqd/211:52:552
143282170,0sleep00-21swapper/009:53:080
38682160,0sleep30-21swapper/312:31:003
53142150,0sleep20-21swapper/210:43:202
700099130,3cyclictest11454-21ssh09:20:480
700099130,2cyclictest9928-21ssh10:18:050
700099121,2cyclictest27071-21apt-get12:25:130
700099121,1cyclictest0-21swapper/011:43:150
700099120,2cyclictest19982-21systemd-journal08:05:000
700099120,2cyclictest12396-21tr08:30:150
700099112,2cyclictest19982-21systemd-journal08:25:530
700099110,2cyclictest8136-21ssh09:18:380
700099110,2cyclictest21931-21munin-run10:30:010
700099110,2cyclictest13640-21latency10:50:160
700099110,1cyclictest31746-21chrt12:01:260
700099110,1cyclictest2932-21sed12:30:180
700099110,1cyclictest24077-21sh09:32:390
28482110,1sleep0131rcuc/011:38:120
700099101,1cyclictest30370-21apt-get09:10:020
700099101,1cyclictest26511-21apt-get09:35:020
700099101,1cyclictest18898-21sshd12:18:150
700099100,9cyclictest4710-21sshd11:10:560
700099100,4cyclictest19982-21systemd-journal11:26:110
700099100,3cyclictest9231-21awk07:15:010
700099100,3cyclictest32221-21ssh10:10:010
700099100,3cyclictest19982-21systemd-journal11:23:140
700099100,3cyclictest19982-21systemd-journal09:05:500
700099100,3cyclictest19982-21systemd-journal08:35:420
700099100,3cyclictest19982-21systemd-journal07:15:230
700099100,2cyclictest29816-21diskmemload10:01:200
700099100,2cyclictest25881-21ssh11:00:520
700099100,2cyclictest20533-21sshd08:45:480
700099100,2cyclictest19982-21systemd-journal11:10:010
700099100,2cyclictest19982-21systemd-journal11:10:010
700099100,2cyclictest19982-21systemd-journal10:40:380
700099100,2cyclictest19982-21systemd-journal07:41:150
700099100,2cyclictest19982-21systemd-journal07:30:010
700099100,2cyclictest17642-21ssh09:55:250
700099100,2cyclictest17067-21sshd08:40:120
700099100,1cyclictest9169-21sshd10:45:560
700099100,1cyclictest11145-21chrt12:11:150
700099100,1cyclictest0-21swapper/009:42:320
300862100,0sleep30-21swapper/309:37:453
70149994,3cyclictest19982-21systemd-journal11:31:333
70009992,2cyclictest8285-21tail11:15:130
70009991,3cyclictest8808-21/usr/sbin/munin12:35:140
70009991,3cyclictest15615-21grep07:25:190
70009991,1cyclictest10933-21apt-get11:45:120
70009990,4cyclictest20578-21apt-get12:20:110
70009990,3cyclictest4190-21ntpq08:10:170
70009990,3cyclictest26007-21dpkg07:50:000
70009990,3cyclictest25370-21idleruntime-cro09:00:010
70009990,3cyclictest21663-21tail08:50:110
70009990,3cyclictest19982-21systemd-journal11:33:380
70009990,2cyclictest8708-21ntp_states08:20:170
70009990,2cyclictest27603-21awk09:05:010
70009990,2cyclictest26318-21dpkg07:50:000
70009990,2cyclictest19982-21systemd-journal12:05:470
70009990,2cyclictest19982-21systemd-journal10:39:240
70009990,2cyclictest19982-21systemd-journal07:55:310
70009990,2cyclictest19858-21head07:35:150
70009990,2cyclictest18166-21ssh10:55:130
70009990,2cyclictest14904-21acpi09:25:110
70009990,2cyclictest13161-21sort07:20:160
70009990,2cyclictest12544-21head10:20:180
70009990,2cyclictest1241-21fw_packets08:05:170
70009990,2cyclictest1-21systemd08:19:380
70009990,1cyclictest22808-21perl10:30:160
5017290,0sleep10-21swapper/111:11:261
20637290,0sleep20-21swapper/207:35:202
70149984,3cyclictest508-21dbus-daemon10:57:203
70149984,2cyclictest19982-21systemd-journal11:10:233
70149983,3cyclictest19982-21systemd-journal10:25:123
70109984,3cyclictest19982-21systemd-journal11:56:592
70109984,2cyclictest19982-21systemd-journal10:08:572
70109983,3cyclictest19982-21systemd-journal12:24:552
70109983,3cyclictest19982-21systemd-journal09:33:032
70069985,2cyclictest22-21ksoftirqd/107:55:001
70069984,3cyclictest11736-21in:imuxsock12:36:381
70069980,1cyclictest30736-21users12:00:201
70009980,2cyclictest29816-21diskmemload11:50:070
70149976,1cyclictest34-21ksoftirqd/309:15:013
70149974,2cyclictest9719-21cron08:25:003
70149974,2cyclictest19982-21systemd-journal11:05:593
70149974,2cyclictest19982-21systemd-journal11:05:593
70149974,2cyclictest11736-21in:imuxsock10:36:043
70149974,2cyclictest11736-21in:imuxsock08:37:593
70149973,3cyclictest508-21dbus-daemon11:59:553
70149973,3cyclictest26564-21ntpq09:00:173
70149973,3cyclictest20012-21cat07:35:153
70149973,3cyclictest14135-21smart_sda10:50:193
70149973,3cyclictest0-21swapper/309:51:343
70149972,3cyclictest19982-21systemd-journal08:44:403
70149972,2cyclictest20065-21ssh09:58:423
70149971,2cyclictest19982-21systemd-journal09:48:053
70149970,6cyclictest0-21swapper/310:15:243
70149970,2cyclictest21718-21/usr/sbin/munin10:00:203
70109974,2cyclictest15030-21hddtemp_smartct08:35:152
70109973,3cyclictest508-21dbus-daemon09:51:512
70109973,3cyclictest19982-21systemd-journal11:21:112
70109973,3cyclictest1-21systemd07:15:012
70109973,1cyclictest0-21swapper/212:00:572
70109972,4cyclictest9950-21date12:35:212
70109972,4cyclictest30654-21snmpd11:31:102
70109972,3cyclictest19982-21systemd-journal07:50:012
70069974,2cyclictest508-21dbus-daemon12:19:321
70069974,2cyclictest508-21dbus-daemon10:13:071
70069974,2cyclictest19982-21systemd-journal08:42:341
70069974,2cyclictest11736-21in:imuxsock11:35:001
70069973,3cyclictest508-21dbus-daemon11:52:001
70069973,3cyclictest508-21dbus-daemon11:40:431
70069973,3cyclictest30654-21snmpd12:11:441
70069973,3cyclictest30654-21snmpd09:40:241
70069973,3cyclictest30654-21snmpd08:06:181
70069973,3cyclictest19982-21systemd-journal10:04:461
70069973,3cyclictest19982-21systemd-journal08:35:261
70069973,3cyclictest0-21swapper/112:22:571
70069973,1cyclictest0-21swapper/109:21:031
70069972,3cyclictest19982-21systemd-journal10:20:011
70069972,3cyclictest19982-21systemd-journal09:05:051
70069972,3cyclictest19982-21systemd-journal08:46:451
70069971,5cyclictest31458-21head08:00:121
70069971,3cyclictest9216-21basename07:15:001
70069970,2cyclictest24869-21ntp_states07:45:171
70149964,1cyclictest8656-21grep11:15:143
70149963,2cyclictest7442-21sh11:41:243
70149963,2cyclictest508-21dbus-daemon08:10:033
70149963,2cyclictest3137-21cpuspeed_turbos12:05:133
70149963,2cyclictest24835-21ntpq07:45:173
70149963,2cyclictest24137-21ssh09:32:433
70149963,2cyclictest19178-21apt-get11:25:123
70149963,2cyclictest17628-21basename11:50:153
70149963,2cyclictest15688-21sed09:25:143
70149963,2cyclictest10519-21ssh12:10:313
70149962,3cyclictest9132-21sshd10:45:543
70149962,3cyclictest30654-21snmpd12:15:073
70149962,3cyclictest30654-21snmpd10:09:103
70149962,3cyclictest30654-21snmpd07:55:483
70149962,3cyclictest30654-21snmpd07:40:473
70149962,3cyclictest30654-21snmpd07:27:473
70149962,3cyclictest30654-21snmpd07:23:233
70149962,3cyclictest30654-21snmpd07:17:413
70149962,3cyclictest30654-21snmpd07:11:593
70149962,3cyclictest30085-21ntpq12:00:173
70149962,3cyclictest27764-21if_enp4s012:25:163
70149962,3cyclictest27393-21ntpq07:50:163
70149962,3cyclictest19982-21systemd-journal12:35:503
70149962,3cyclictest19982-21systemd-journal08:25:383
70149962,3cyclictest1164-21ntpq10:10:183
70149962,3cyclictest10008-21gltestperf09:20:143
70149962,2cyclictest19982-21systemd-journal08:50:053
70149962,1cyclictest0-21swapper/312:20:083
70149962,1cyclictest0-21swapper/311:47:063
70149962,1cyclictest0-21swapper/310:33:123
70149961,3cyclictest502-21systemd-logind07:30:243
70149961,3cyclictest19982-21systemd-journal11:21:573
70149961,3cyclictest19982-21systemd-journal08:58:013
70149960,5cyclictest29441-21sshd09:05:423
70149960,5cyclictest20466-21users08:45:213
70149960,5cyclictest13000-21expr08:30:173
70149960,5cyclictest1205-21seq11:36:163
70149960,3cyclictest32271-21/usr/sbin/munin09:40:133
70149960,2cyclictest24844-21ntpq11:00:173
70109963,2cyclictest9656-21ssh11:15:372
70109963,2cyclictest5939-21grep08:15:112
70109963,2cyclictest508-21dbus-daemon10:49:252
70109963,2cyclictest4794-21/usr/sbin/munin11:40:182
70109963,2cyclictest458-21taskset11:35:262
70109963,2cyclictest28359-21gltestperf09:05:172
70109963,2cyclictest23284-21unixbench-2d10:00:202
70109963,2cyclictest12875-21grep10:20:202
70109963,2cyclictest1-21systemd12:15:012
70109962,3cyclictest5741-21expr09:45:132
70109962,3cyclictest4450-21fw_packets09:15:132
70109962,3cyclictest32519-21cat09:40:142
70109962,3cyclictest32022-21gdbus09:13:262
70109962,3cyclictest31321-21cat08:00:132
70109962,3cyclictest30654-21snmpd12:10:022
70109962,3cyclictest30654-21snmpd09:36:352
70109962,3cyclictest30654-21snmpd09:26:502
70109962,3cyclictest30654-21snmpd09:20:162
70109962,3cyclictest30654-21snmpd08:10:152
70109962,3cyclictest30654-21snmpd07:45:452
70109962,3cyclictest3011-21apt-get12:05:122
70109962,3cyclictest29349-21cat07:55:172
70109962,3cyclictest22798-21sshd08:51:142
70109962,3cyclictest15000-21tune2fs07:25:152
70109962,3cyclictest11475-21grep11:45:142
70109962,3cyclictest10767-21cat07:15:162
70109962,3cyclictest0-21swapper/211:00:252
70109962,3cyclictest0-21swapper/210:25:152
70109962,2cyclictest27596-21munin-run09:05:012
70109962,2cyclictest19982-21systemd-journal08:20:142
70109962,1cyclictest24049-1kworker/u9:009:55:152
70109962,1cyclictest0-21swapper/211:07:012
70109962,1cyclictest0-21swapper/211:07:012
70109962,1cyclictest0-21swapper/210:30:162
70109961,4cyclictest30134-21sshd10:36:042
70109961,3cyclictest19982-21systemd-journal12:25:222
70109961,3cyclictest19982-21systemd-journal11:26:082
70109961,3cyclictest19982-21systemd-journal10:56:052
70109961,3cyclictest19982-21systemd-journal08:27:582
70109961,2cyclictest7256-21ssh12:34:202
70109960,6cyclictest0-21swapper/210:54:362
70109960,3cyclictest8558-21rm10:16:222
70109960,2cyclictest19079-21munin-run07:35:012
70109960,0cyclictest0-21swapper/211:10:502
70069964,1cyclictest11736-21in:imuxsock07:55:141
70069963,2cyclictest9919-21sh11:16:031
70069963,2cyclictest707-21sh11:35:411
70069963,2cyclictest28228-21rm11:59:331
70069963,2cyclictest15490-21gltestperf09:25:141
70069963,2cyclictest13895-21awk07:20:201
70069963,2cyclictest13859-21tune2fs11:20:151
70069963,2cyclictest11736-21in:imuxsock10:31:531
70069963,2cyclictest11736-21in:imuxsock08:50:501
70069963,2cyclictest11736-21in:imuxsock08:25:001
70069963,2cyclictest11063-21ntp_states07:15:181
70069962,3cyclictest3976-21netstat12:05:161
70069962,3cyclictest30654-21snmpd12:25:111
70069962,3cyclictest30654-21snmpd10:44:081
70069962,3cyclictest30654-21snmpd09:35:351
70069962,3cyclictest30654-21snmpd08:34:191
70069962,3cyclictest23752-21df_inode08:55:141
70069962,3cyclictest22358-21cat07:40:161
70069962,3cyclictest15524-21cat07:25:181
70069962,3cyclictest10240-21expr08:25:131
70069962,1cyclictest24049-1kworker/u9:010:50:141
70069962,1cyclictest0-21swapper/112:32:421
70069962,1cyclictest0-21swapper/110:35:011
70069962,1cyclictest0-21swapper/109:49:031
70069962,1cyclictest0-21swapper/109:19:231
70069961,3cyclictest19982-21systemd-journal11:49:531
70069961,3cyclictest19982-21systemd-journal09:53:311
70069961,3cyclictest19982-21systemd-journal07:30:241
70069961,2cyclictest16344-21ssh09:55:161
70069960,6cyclictest0-21swapper/110:20:161
70069960,5cyclictest5461-21/usr/sbin/munin08:15:121
70069960,5cyclictest29741-11brltty10:55:151
70069960,5cyclictest19089-21ssh11:25:081
70069960,4cyclictest32247-21sh11:06:411
70069960,4cyclictest32247-21sh11:06:411
70069960,3cyclictest9677-21rm10:46:331
70069960,3cyclictest30669-21grep09:10:101
70149952,2cyclictest4895-21ntp_kernel_err09:15:173
70149952,2cyclictest30969-21cpu08:00:113
70149952,2cyclictest1-21systemd08:15:033
70149951,3cyclictest1022-21ssh10:40:023
70109952,2cyclictest796-21cat08:05:162
70109952,2cyclictest23535-21tr08:55:142
70109952,2cyclictest21739-21cpuspeed07:40:132
70109952,2cyclictest16648-21date08:40:012
70109952,2cyclictest13213-21date07:20:152
70109952,2cyclictest12216-21apt08:30:152
70109950,4cyclictest30654-21snmpd08:45:142
70069952,2cyclictest25688-21cat09:00:121
70069952,2cyclictest19648-21expr07:35:131
70069952,2cyclictest17150-21tr10:25:121
70069950,4cyclictest3958-21cut08:10:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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