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2025-07-13 - 07:39
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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 Sun Jul 13, 2025 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122962296263,21sleep20-21swapper/219:09:182
119902284218,23sleep00-21swapper/019:05:340
120502275242,21sleep30-21swapper/319:06:223
123492267235,20sleep10-21swapper/119:09:571
18522620,0sleep30-21swapper/323:35:193
10602590,0sleep10-21swapper/121:05:161
313842570,0sleep10-21swapper/122:20:251
248042550,0sleep00-21swapper/023:05:080
66252200,1sleep30-21swapper/322:26:393
32352180,1sleep20-21swapper/223:12:312
142962180,0sleep10-21swapper/122:32:421
146002170,0sleep2271rcuc/222:33:032
259222150,0sleep10-21swapper/121:52:061
170452150,0sleep20-21swapper/223:22:282
113872150,1sleep0131rcuc/022:30:220
29952140,0sleep00-21swapper/021:10:120
321042100,0sleep00-21swapper/021:56:410
1246199108,1cyclictest22-21ksoftirqd/100:40:001
21372290,0sleep30-21swapper/322:37:483
124699996,2cyclictest34-21ksoftirqd/320:00:003
124699994,3cyclictest19982-21systemd-journal21:42:373
124659995,3cyclictest19982-21systemd-journal00:22:242
124619997,1cyclictest22-21ksoftirqd/122:50:021
124699984,3cyclictest11736-21in:imuxsock23:30:153
124699983,3cyclictest19982-21systemd-journal23:10:013
124699983,3cyclictest19982-21systemd-journal21:49:183
124699983,3cyclictest19982-21systemd-journal20:10:003
124699983,3cyclictest19982-21systemd-journal19:42:523
124659986,1cyclictest16418-21ssh22:58:482
124659985,2cyclictest508-21dbus-daemon21:55:082
124659983,3cyclictest19982-21systemd-journal21:21:452
124659983,1cyclictest0-21swapper/223:05:232
124659982,3cyclictest28966-21idleruntime-cro19:45:002
124659981,4cyclictest26191-21dump-pmu-power00:20:002
124659980,5cyclictest9373-21run-parts21:40:022
124619987,1cyclictest22-21ksoftirqd/121:25:011
124619986,2cyclictest22-21ksoftirqd/120:45:011
124619983,3cyclictest19982-21systemd-journal20:51:431
124579985,2cyclictest11736-21in:imuxsock20:10:250
124579984,3cyclictest508-21dbus-daemon21:45:010
124579984,3cyclictest508-21dbus-daemon19:48:180
124579984,3cyclictest19982-21systemd-journal22:22:410
124579984,3cyclictest19982-21systemd-journal21:28:500
124579983,3cyclictest19982-21systemd-journal22:09:440
124579983,3cyclictest19982-21systemd-journal19:44:580
7312270,0sleep20-21swapper/222:02:362
30729270,0sleep30-21swapper/319:45:233
124699974,2cyclictest508-21dbus-daemon21:21:453
124699974,2cyclictest16257-21cron00:40:003
124699973,3cyclictest508-21dbus-daemon23:21:303
124699973,3cyclictest3837-21cstates22:00:173
124699973,3cyclictest30654-21snmpd21:16:533
124699973,3cyclictest19982-21systemd-journal21:08:423
124699973,3cyclictest19982-21systemd-journal20:22:533
124699973,3cyclictest19982-21systemd-journal19:32:323
124699973,3cyclictest16977-21df22:10:143
124699973,2cyclictest19982-21systemd-journal20:42:433
124699973,1cyclictest0-21swapper/323:55:393
124699973,1cyclictest0-21swapper/322:57:163
124699973,1cyclictest0-21swapper/321:55:453
124699972,3cyclictest19982-21systemd-journal00:01:333
124699971,2cyclictest23187-21ssh22:15:153
124659974,2cyclictest508-21dbus-daemon20:38:472
124659974,2cyclictest28-21ksoftirqd/223:55:012
124659974,2cyclictest10610-21irqstats21:40:202
124659973,3cyclictest7471-21sshd00:30:422
124659973,3cyclictest508-21dbus-daemon22:38:062
124659973,3cyclictest19982-21systemd-journal22:45:012
124659973,1cyclictest0-21swapper/223:33:052
124659972,3cyclictest7661-21lldpd20:44:282
124659972,3cyclictest19982-21systemd-journal23:46:312
124659970,7cyclictest0-21swapper/222:50:442
124619974,2cyclictest19982-21systemd-journal23:16:041
124619974,2cyclictest1-21systemd20:08:451
124619973,3cyclictest30654-21snmpd19:34:471
124619973,3cyclictest19982-21systemd-journal21:00:001
124619973,3cyclictest16909-21sed21:45:151
124619973,3cyclictest16619-21ls20:30:011
124619973,1cyclictest0-21swapper/123:09:161
124619973,1cyclictest0-21swapper/122:50:081
124619973,1cyclictest0-21swapper/122:36:051
124619971,5cyclictest3046-21idleruntime-cro22:00:011
124579974,2cyclictest9732-21sh22:05:010
124579974,2cyclictest11738-21rs:main0
124579973,3cyclictest508-21dbus-daemon21:33:510
124579973,3cyclictest508-21dbus-daemon20:32:310
124579973,3cyclictest3481-21apt-get20:00:160
124579973,3cyclictest3079-21sshd19:58:430
124579973,3cyclictest27677-21ntpq00:20:200
124579973,3cyclictest19982-21systemd-journal23:20:400
124579973,3cyclictest19982-21systemd-journal00:34:310
124579973,3cyclictest0-21swapper/023:18:140
124579973,3cyclictest0-21swapper/000:05:480
124579972,3cyclictest508-21dbus-daemon19:17:510
124579972,3cyclictest19982-21systemd-journal23:00:130
124579972,3cyclictest19982-21systemd-journal21:46:480
124579971,5cyclictest21256-21tail23:50:150
124579971,3cyclictest32074-21rm23:58:340
124579970,6cyclictest2608-21diskmemload21:10:010
11207270,0sleep20-21swapper/222:05:202
27711260,0sleep10-21swapper/119:40:191
124699966,0cyclictest0-21swapper/300:10:143
124699965,1cyclictest29741-11brltty20:35:023
124699964,1cyclictest31432-21hddtemp_smartct21:00:173
124699964,1cyclictest171792sleep319:16:363
124699963,3cyclictest11733-21sed22:30:233
124699963,2cyclictest7015-21sshd21:12:463
124699963,2cyclictest508-21dbus-daemon19:53:443
124699963,2cyclictest27173-21cut00:20:173
124699963,2cyclictest23493-21sh21:25:143
124699963,2cyclictest12906-21sh22:06:303
124699963,2cyclictest1-21systemd19:20:223
124699963,2cyclictest10302-21ssh00:06:093
124699963,1cyclictest0-21swapper/323:28:533
124699962,3cyclictest7820-21cat23:40:143
124699962,3cyclictest7112-21cat23:15:173
124699962,3cyclictest5758-21cat00:30:153
124699962,3cyclictest508-21dbus-daemon23:01:033
124699962,3cyclictest31519-21cat22:45:153
124699962,3cyclictest30922-21sendmail_mailqu22:20:223
124699962,3cyclictest30654-21snmpd22:50:273
124699962,3cyclictest25106-21expr19:35:153
124699962,3cyclictest24626-21cut20:45:163
124699962,3cyclictest15297-21cat20:25:163
124699962,3cyclictest13593-21ntp_kernel_err19:10:203
124699962,3cyclictest1-21systemd23:12:203
124699962,3cyclictest1-21systemd21:35:563
124699962,2cyclictest7661-21lldpd23:50:043
124699962,1cyclictest0-21swapper/323:45:053
124699962,1cyclictest0-21swapper/321:52:173
124699961,3cyclictest19982-21systemd-journal22:40:063
124699961,3cyclictest19982-21systemd-journal21:30:053
124699961,3cyclictest19982-21systemd-journal20:55:283
124699961,3cyclictest19982-21systemd-journal20:31:413
124699961,3cyclictest19982-21systemd-journal20:13:453
124699960,0cyclictest0-21swapper/300:25:293
124659966,0cyclictest0-21swapper/223:42:482
124659963,2cyclictest642-21taskset19:51:152
124659963,2cyclictest508-21dbus-daemon22:18:052
124659963,2cyclictest5038-21sh21:10:412
124659963,2cyclictest3069-21sh23:35:482
124659963,2cyclictest30654-21snmpd19:56:512
124659963,2cyclictest30654-21snmpd19:23:202
124659963,2cyclictest29741-11brltty21:01:182
124659963,2cyclictest27051-21interrupts20:50:162
124659963,2cyclictest11736-21in:imuxsock22:25:352
124659963,2cyclictest11736-21in:imuxsock19:37:032
124659963,2cyclictest1014-21df_inode21:05:152
124659963,2cyclictest0-21swapper/200:27:102
124659962,3cyclictest508-21dbus-daemon19:15:462
124659962,3cyclictest30654-21snmpd22:46:122
124659962,3cyclictest30654-21snmpd21:46:052
124659962,3cyclictest30654-21snmpd00:01:332
124659962,3cyclictest29758-21cstates21:30:122
124659962,3cyclictest29683-21tune2fs19:45:162
124659962,3cyclictest29525-21ntpq20:55:192
124659962,3cyclictest27336-21cpu23:55:152
124659962,3cyclictest24180-21ls19:35:012
124659962,3cyclictest20650-21cat19:25:172
124659962,3cyclictest19982-21systemd-journal20:07:362
124659962,3cyclictest14068-21seq20:21:432
124659962,3cyclictest13006-21expr19:10:162
124659962,1cyclictest141rcu_preempt00:05:132
124659962,1cyclictest0-21swapper/223:25:262
124659962,1cyclictest0-21swapper/223:17:172
124659962,1cyclictest0-21swapper/222:20:032
124659962,1cyclictest0-21swapper/222:10:072
124659962,1cyclictest0-21swapper/221:26:312
124659961,4cyclictest28-21ksoftirqd/220:47:552
124659961,3cyclictest19982-21systemd-journal21:51:232
124659961,2cyclictest13683-21ssh00:36:432
124659961,2cyclictest13447-21ssh21:17:292
124659960,5cyclictest11346-21sensors_temp20:15:212
124659960,3cyclictest17989-21ssh23:00:062
124659960,0cyclictest0-21swapper/200:12:092
124619963,2cyclictest6989-21seq22:27:041
124619963,2cyclictest32443-21pmu-power19:50:201
124619963,2cyclictest30654-21snmpd23:51:051
124619963,2cyclictest30654-21snmpd20:16:251
124619963,2cyclictest2875-21taskset21:10:031
124619963,2cyclictest26128-21sh21:26:501
124619963,2cyclictest21394-21grep00:15:161
124619963,2cyclictest16982-21df_inode22:10:141
124619963,2cyclictest14034-21ssh23:45:131
124619963,2cyclictest12899-21sh21:41:431
124619962,3cyclictest508-21dbus-daemon20:45:021
124619962,3cyclictest30945-21sed21:30:201
124619962,3cyclictest30654-21snmpd22:55:541
124619962,3cyclictest30654-21snmpd21:01:441
124619962,3cyclictest30654-21snmpd20:10:161
124619962,3cyclictest30654-21snmpd20:03:361
124619962,3cyclictest30654-21snmpd19:55:121
124619962,3cyclictest30654-21snmpd19:39:321
124619962,3cyclictest30654-21snmpd00:32:151
124619962,3cyclictest30654-21snmpd00:12:501
124619962,3cyclictest28870-21seq22:43:311
124619962,3cyclictest27983-21grep23:55:161
124619962,3cyclictest27447-21cut23:30:171
124619962,3cyclictest21155-21ntpq23:25:191
124619962,3cyclictest19982-21systemd-journal20:39:371
124619962,3cyclictest13559-21seq21:17:361
124619962,3cyclictest12379-21find20:20:131
124619962,3cyclictest1-21systemd19:14:061
124619962,3cyclictest0-21swapper/122:15:361
124619962,1cyclictest0-21swapper/123:41:441
124619962,1cyclictest0-21swapper/123:35:081
124619962,1cyclictest0-21swapper/123:20:121
124619962,1cyclictest0-21swapper/123:11:511
124619962,1cyclictest0-21swapper/123:00:211
124619962,1cyclictest0-21swapper/121:36:281
124619962,1cyclictest0-21swapper/100:25:051
124619962,1cyclictest0-21swapper/100:08:421
124619961,4cyclictest26671-21ssh00:20:151
124619961,3cyclictest19982-21systemd-journal22:05:091
124619960,6cyclictest0-21swapper/122:01:391
124619960,6cyclictest0-21swapper/100:00:151
124619960,4cyclictest19982-21systemd-journal19:49:331
124619960,2cyclictest16820-21/usr/sbin/munin20:30:181
124579966,0cyclictest0-21swapper/022:50:440
124579964,1cyclictest11736-21in:imuxsock23:26:310
124579963,2cyclictest9646-21cat21:15:120
124579963,2cyclictest31068-21expr21:00:160
124579963,2cyclictest26863-21tune2fs20:50:150
124579963,2cyclictest22035-21cut20:40:160
124579963,2cyclictest14282-21tr23:45:160
124579963,2cyclictest11736-21in:imuxsock00:15:440
124579962,3cyclictest30654-21snmpd23:41:310
124579962,3cyclictest30654-21snmpd21:51:370
124579962,3cyclictest30654-21snmpd20:26:250
124579962,3cyclictest30654-21snmpd19:54:570
124579962,3cyclictest30654-21snmpd19:30:050
124579962,3cyclictest30654-21snmpd19:25:050
124579962,3cyclictest19982-21systemd-journal23:35:010
124579962,3cyclictest19749-21cat20:35:160
124579962,3cyclictest17268-21if_enp4s022:10:150
124579962,3cyclictest14623-21expr00:10:140
124579962,3cyclictest13270-21smartctl19:10:180
124579962,3cyclictest1-21systemd23:35:160
124579962,3cyclictest1-21systemd20:22:560
124579962,3cyclictest10819-21cat20:15:180
124579962,3cyclictest0-21swapper/023:10:470
124579962,3cyclictest0-21swapper/022:49:350
124579962,3cyclictest0-21swapper/022:36:010
124579962,3cyclictest0-21swapper/022:19:240
124579962,1cyclictest0-21swapper/022:41:100
124579962,1cyclictest0-21swapper/000:37:050
124579962,1cyclictest0-21swapper/000:25:360
124579961,4cyclictest25298-21head19:35:170
124579961,4cyclictest0-21swapper/021:20:150
124579960,5cyclictest2995-21unixbench_multi00:00:210
124579960,2cyclictest3405-21cpuspeed_turbos21:35:140
124699952,2cyclictest3706-21expr20:00:153
124699952,2cyclictest26509-21cut20:50:143
124699952,2cyclictest20780-21dpkg00:15:143
124699952,2cyclictest20636-21if_enp4s019:25:163
124699952,2cyclictest10129-21acpi20:15:143
124659952,2cyclictest8227-21expr20:10:162
124659952,2cyclictest508-21dbus-daemon20:25:022
124659952,2cyclictest4156-21cat20:00:182
124659951,3cyclictest17074-21cat20:30:142
124619952,2cyclictest17866-21grep19:20:171
124619952,2cyclictest14898-21ntpq19:15:021
124619951,3cyclictest20437-21tune2fs19:25:151
124579952,2cyclictest6333-21basename20:05:180
124579952,2cyclictest29518-21grep20:55:190
124579952,2cyclictest18440-21cat19:20:180
124579951,3cyclictest24075-21apt-key20:45:010
124579951,3cyclictest0-21swapper/022:55:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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