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2025-11-30 - 11:58
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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 all highest latencies:
System rackaslot8.osadl.org (updated Sun Nov 30, 2025 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
253852327295,20sleep20-21swapper/219:09:382
252212277244,22sleep10-21swapper/119:07:321
254152260225,22sleep00-21swapper/019:10:000
251672258224,22sleep30-21swapper/319:07:063
156232930,0sleep10-21swapper/122:45:151
146912640,0sleep30-21swapper/321:55:373
61592620,0sleep16156-21apt-get21:50:131
98962610,0sleep00-21swapper/021:52:290
324502610,0sleep20-21swapper/200:06:332
259802600,0sleep10-21swapper/122:28:541
216842600,0sleep30-21swapper/321:37:053
240362570,0sleep30-21swapper/323:14:403
162812570,1sleep20-21swapper/221:33:242
149472230,0sleep10-21swapper/123:54:541
131822140,0sleep10-21swapper/123:30:041
326682130,0sleep30-21swapper/300:06:463
275342130,0sleep30-21swapper/322:30:123
8012110,4sleep228-21ksoftirqd/220:35:152
11452110,0sleep00-21swapper/023:20:340
255239994,3cyclictest19982-21systemd-journal19:25:012
255239994,3cyclictest19982-21systemd-journal00:04:152
255149994,3cyclictest19982-21systemd-journal20:01:020
11510290,0sleep00-21swapper/023:51:410
8509280,0sleep30-21swapper/321:51:043
255279985,2cyclictest34-21ksoftirqd/321:30:113
255279983,3cyclictest19982-21systemd-journal22:04:323
255279983,3cyclictest19982-21systemd-journal21:46:363
255279983,3cyclictest19982-21systemd-journal21:21:573
255279983,3cyclictest19982-21systemd-journal20:07:423
255279983,3cyclictest19982-21systemd-journal19:45:293
255239984,3cyclictest19982-21systemd-journal22:39:352
255239983,3cyclictest502-21systemd-logind00:33:272
255239983,3cyclictest502-21systemd-logind00:33:272
255239982,3cyclictest6874-21ls20:50:012
255189983,3cyclictest19982-21systemd-journal21:58:081
255189983,3cyclictest19982-21systemd-journal20:39:491
255189983,3cyclictest19982-21systemd-journal19:52:231
255189982,3cyclictest9950-21munin-run19:45:001
255149984,3cyclictest508-21dbus-daemon21:35:180
255149984,3cyclictest508-21dbus-daemon21:13:120
255149984,3cyclictest19982-21systemd-journal23:19:320
31510270,0sleep30-21swapper/322:55:233
26449270,0sleep20-21swapper/222:52:212
255279974,2cyclictest6195-21timerandwakeup20:45:223
255279974,2cyclictest28039-21cron00:30:003
255279974,2cyclictest11736-21in:imuxsock22:19:323
255279974,2cyclictest11736-21in:imuxsock21:05:163
255279973,3cyclictest508-21dbus-daemon23:30:003
255279973,3cyclictest30654-21snmpd23:48:263
255279973,3cyclictest0-21swapper/322:45:093
255279973,2cyclictest19982-21systemd-journal19:38:043
255279973,1cyclictest0-21swapper/323:56:333
255279973,1cyclictest0-21swapper/323:51:113
255279973,1cyclictest0-21swapper/321:15:133
255279973,1cyclictest0-21swapper/321:12:583
255279972,4cyclictest508-21dbus-daemon20:38:343
255279972,4cyclictest30654-21snmpd00:03:523
255279972,3cyclictest7661-21lldpd23:01:213
255279972,3cyclictest7661-21lldpd20:26:003
255279972,3cyclictest19982-21systemd-journal20:56:063
255279972,3cyclictest19982-21systemd-journal19:22:213
255279971,2cyclictest25853-21memory21:40:183
255239973,3cyclictest508-21dbus-daemon21:45:222
255239973,3cyclictest508-21dbus-daemon20:35:012
255239973,3cyclictest508-21dbus-daemon00:15:002
255239973,3cyclictest4144-21df_inode00:10:142
255239973,3cyclictest22324-21cat20:10:172
255239973,3cyclictest19982-21systemd-journal23:33:482
255239973,3cyclictest11736-21in:imuxsock21:29:022
255239973,3cyclictest0-21swapper/221:24:142
255239973,2cyclictest19982-21systemd-journal23:00:502
255239972,4cyclictest30654-21snmpd22:13:232
255239970,5cyclictest19982-21systemd-journal23:28:472
255189974,2cyclictest19982-21systemd-journal23:48:231
255189974,2cyclictest11736-21in:imuxsock23:40:281
255189973,3cyclictest30847-21ntpq22:55:191
255189973,3cyclictest29741-11brltty19:25:331
255189973,3cyclictest21215-21ntpq23:35:161
255189973,3cyclictest19982-21systemd-journal20:45:001
255189973,3cyclictest19982-21systemd-journal00:33:391
255189973,3cyclictest19982-21systemd-journal00:33:391
255189973,3cyclictest19116-21gdbus20:00:001
255189973,3cyclictest18844-21grep21:35:151
255189973,2cyclictest19982-21systemd-journal21:09:011
255189973,1cyclictest0-21swapper/122:51:551
255189973,1cyclictest0-21swapper/122:43:591
255189973,1cyclictest0-21swapper/121:31:071
255189972,3cyclictest23648-21idleruntime-cro20:15:011
255189970,1cyclictest24360-21ls23:15:011
255149974,2cyclictest502-21systemd-logind22:47:040
255149974,2cyclictest12-21ksoftirqd/019:15:010
255149973,3cyclictest7661-21lldpd23:42:520
255149973,3cyclictest508-21dbus-daemon20:26:530
255149973,3cyclictest508-21dbus-daemon19:46:500
255149973,3cyclictest30654-21snmpd22:09:570
255149973,3cyclictest24328-21awk00:00:230
255149973,3cyclictest16616-21cron00:20:010
255149973,3cyclictest0-21swapper/022:50:140
255149973,3cyclictest0-21swapper/022:13:210
255149973,3cyclictest0-21swapper/021:46:300
255149973,1cyclictest0-21swapper/022:31:080
255149973,1cyclictest0-21swapper/022:04:350
255149972,3cyclictest19982-21systemd-journal21:40:440
255149972,3cyclictest19982-21systemd-journal20:42:440
255149971,4cyclictest19982-21systemd-journal19:42:150
255149971,3cyclictest14563-21rm22:44:530
255149971,3cyclictest10022-21sh23:04:120
255149970,4cyclictest6868-21turbostat20:50:000
23225270,0sleep00-21swapper/023:13:540
20134270,0sleep20-21swapper/221:35:292
255279963,2cyclictest578-21smart_sda23:20:193
255279963,2cyclictest5143-21sh22:13:093
255279963,2cyclictest4029-21grep20:40:223
255279963,2cyclictest3027-21gzip22:35:223
255279963,2cyclictest2214-21uniq00:35:143
255279963,2cyclictest20202-21apt-get23:35:113
255279962,3cyclictest8673-21cut19:40:183
255279962,3cyclictest6279-21tr21:25:193
255279962,3cyclictest4152-21ntpq19:30:203
255279962,3cyclictest30654-21snmpd23:25:483
255279962,3cyclictest30654-21snmpd19:27:153
255279962,3cyclictest30654-21snmpd19:16:573
255279962,3cyclictest30654-21snmpd00:32:023
255279962,3cyclictest30654-21snmpd00:32:023
255279962,3cyclictest12283-21cat21:00:183
255279962,3cyclictest1-21systemd19:57:173
255279962,3cyclictest0-21swapper/322:41:223
255279962,1cyclictest0-21swapper/322:50:153
255279962,1cyclictest0-21swapper/322:27:463
255279962,1cyclictest0-21swapper/322:05:333
255279961,4cyclictest18409-21mailstats20:00:223
255279961,3cyclictest19982-21systemd-journal23:05:003
255279961,3cyclictest19982-21systemd-journal22:22:523
255279961,3cyclictest19982-21systemd-journal20:11:293
255279961,3cyclictest19982-21systemd-journal19:11:473
255279961,1cyclictest3757-21apt-get00:10:123
255279960,6cyclictest0-21swapper/300:20:103
255279960,5cyclictest24785-21/usr/sbin/munin23:15:153
255279960,4cyclictest19982-21systemd-journal23:40:543
255279960,3cyclictest13961-21unixbench_singl19:50:233
255239966,0cyclictest0-21swapper/222:30:342
255239963,2cyclictest4485-21ssh23:46:422
255239963,2cyclictest3987-21memory19:30:202
255239963,2cyclictest30654-21snmpd22:56:002
255239963,2cyclictest30654-21snmpd20:55:412
255239963,2cyclictest30654-21snmpd20:44:502
255239963,2cyclictest30654-21snmpd19:47:482
255239963,2cyclictest29638-21sh21:43:312
255239963,2cyclictest24048-21sh22:27:032
255239963,2cyclictest20152-21rm23:35:112
255239963,2cyclictest15145-21sh22:45:112
255239963,2cyclictest1-21systemd19:50:212
255239963,2cyclictest10767-21ssh23:50:562
255239963,2cyclictest10280-21chrt22:40:332
255239963,1cyclictest0-21swapper/223:57:402
255239963,1cyclictest0-21swapper/222:20:032
255239962,3cyclictest30654-21snmpd20:01:362
255239962,3cyclictest30654-21snmpd19:19:072
255239962,3cyclictest30654-21snmpd00:38:262
255239962,3cyclictest24802-21cat23:15:122
255239962,3cyclictest20737-21cut22:00:192
255239962,3cyclictest19982-21systemd-journal00:29:552
255239962,3cyclictest18714-21cat23:10:152
255239962,3cyclictest17817-21irqstats00:20:162
255239962,3cyclictest16226-21dpkg21:10:012
255239962,3cyclictest15227-21tail19:55:152
255239962,3cyclictest14161-21wc21:55:212
255239962,3cyclictest12269-21cat21:00:162
255239962,3cyclictest12228-21ntpq23:05:172
255239962,3cyclictest0-21swapper/223:23:122
255239962,1cyclictest0-21swapper/221:50:082
255239962,1cyclictest0-21swapper/221:18:342
255239962,1cyclictest0-21swapper/220:30:002
255239961,3cyclictest19982-21systemd-journal23:41:192
255239961,3cyclictest19982-21systemd-journal19:36:542
255239960,6cyclictest0-21swapper/222:16:142
255239960,6cyclictest0-21swapper/222:05:462
255239960,6cyclictest0-21swapper/219:43:562
255189963,2cyclictest736-21/usr/sbin/munin21:45:221
255189963,2cyclictest7280-21ssh22:15:051
255189963,2cyclictest5462-21fschecks_time21:25:151
255189963,2cyclictest5146-21expr20:45:141
255189963,2cyclictest30654-21snmpd00:38:001
255189963,2cyclictest28230-21sensors_temp19:15:021
255189963,2cyclictest26929-21ssh23:15:451
255189963,2cyclictest11736-21in:imuxsock21:00:001
255189963,2cyclictest11001-21missed_timers19:45:181
255189963,2cyclictest10046-21ssh23:27:341
255189962,3cyclictest4317-21sendmail_mailqu19:30:211
255189962,3cyclictest30654-21snmpd22:06:161
255189962,3cyclictest30654-21snmpd20:29:441
255189962,3cyclictest30654-21snmpd19:22:541
255189962,3cyclictest30654-21snmpd00:20:261
255189962,3cyclictest2394-21unixbench-2d22:10:201
255189962,3cyclictest19982-21systemd-journal20:05:281
255189962,3cyclictest18606-21taskset23:56:401
255189962,3cyclictest16322-21packagekitd21:10:011
255189962,3cyclictest1-21systemd19:15:021
255189962,3cyclictest0-21swapper/100:26:331
255189962,1cyclictest0-21swapper/122:35:091
255189962,1cyclictest0-21swapper/122:20:091
255189962,1cyclictest0-21swapper/121:40:391
255189962,1cyclictest0-21swapper/121:20:381
255189962,1cyclictest0-21swapper/121:15:301
255189962,1cyclictest0-21swapper/100:15:131
255189962,1cyclictest0-21swapper/100:10:091
255189962,1cyclictest0-21swapper/100:05:121
255189962,1cyclictest0-21swapper/100:02:011
255189961,3cyclictest19982-21systemd-journal20:16:531
255189961,2cyclictest6388-21ssh23:00:341
255189960,6cyclictest0-21swapper/123:06:471
255189960,6cyclictest0-21swapper/122:30:431
255189960,3cyclictest32606-21awk20:35:011
255189960,2cyclictest19737-21/usr/sbin/munin22:00:231
255189960,0cyclictest0-21swapper/123:20:231
255189960,0cyclictest0-21swapper/121:00:141
255189960,0cyclictest0-21swapper/120:00:201
255149963,2cyclictest31296-21users00:05:220
255149963,2cyclictest31227-21ssh00:31:540
255149963,2cyclictest31227-21ssh00:31:540
255149963,2cyclictest30654-21snmpd21:56:400
255149963,2cyclictest30654-21snmpd21:20:270
255149963,2cyclictest30654-21snmpd20:35:010
255149963,2cyclictest30654-21snmpd19:30:210
255149963,2cyclictest29741-11brltty23:31:170
255149963,2cyclictest25394-21sh22:28:200
255149963,2cyclictest25113-21grep21:15:220
255149963,2cyclictest2400-21grep22:35:140
255149963,2cyclictest19982-21systemd-journal00:28:020
255149963,2cyclictest17779-21cat00:20:160
255149963,2cyclictest1462-21apt23:45:130
255149963,2cyclictest11736-21in:imuxsock19:55:110
255149962,3cyclictest508-21dbus-daemon19:25:080
255149962,3cyclictest31820-21cat19:20:160
255149962,3cyclictest30658-21cat22:55:170
255149962,3cyclictest30654-21snmpd23:38:130
255149962,3cyclictest30654-21snmpd23:26:180
255149962,3cyclictest30654-21snmpd21:29:120
255149962,3cyclictest30654-21snmpd20:22:130
255149962,3cyclictest30654-21snmpd20:05:080
255149962,3cyclictest29867-21ntpq19:15:200
255149962,3cyclictest24253-21cat20:15:140
255149962,3cyclictest0-21swapper/000:10:040
255149962,1cyclictest0-21swapper/021:33:190
255149961,3cyclictest7661-21lldpd19:53:290
255149961,3cyclictest19982-21systemd-journal22:22:020
255149961,3cyclictest19982-21systemd-journal20:32:410
255149960,6cyclictest0-21swapper/000:35:100
255149960,5cyclictest8150-21hwlatdetect22:15:180
255149960,4cyclictest19982-21systemd-journal23:55:040
255149960,4cyclictest19982-21systemd-journal21:06:570
255149960,4cyclictest19982-21systemd-journal19:37:140
255149960,3cyclictest13939-21rm23:06:220
255279952,2cyclictest7343-21cat20:50:143
255279952,2cyclictest30812-21/usr/sbin/munin20:30:143
255279952,2cyclictest25111-21switchtime20:15:203
255279951,3cyclictest30654-21snmpd20:20:013
255279951,2cyclictest19982-21systemd-journal00:15:053
255239952,2cyclictest30654-21snmpd20:50:112
255239952,2cyclictest26212-21cpuspeed20:20:142
255239952,2cyclictest26084-21expr19:10:142
255239952,2cyclictest19450-21grep20:05:142
255239952,2cyclictest1029-21cat19:25:142
255239951,3cyclictest14212-21df21:05:162
255239950,0cyclictest0-21swapper/220:15:052
255189952,2cyclictest7982-21sed20:50:161
255189952,2cyclictest6053-21expr19:35:151
255189952,2cyclictest26846-21irqstats20:20:181
255149952,2cyclictest9811-21fschecks_time20:55:150
255149952,2cyclictest7097-21taskset20:50:070
255149952,2cyclictest30654-21snmpd20:10:050
255149952,2cyclictest11851-21expr21:00:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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