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2025-09-03 - 20:49
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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 Wed Sep 03, 2025 12:44:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
231782303270,21sleep20-21swapper/207:09:592
231792274244,19sleep30-21swapper/307:09:593
231602265231,22sleep10-21swapper/107:09:461
228702265231,22sleep00-21swapper/007:06:230
49342670,0sleep20-21swapper/210:24:462
222872620,0sleep20-21swapper/209:16:062
257102610,0sleep20-21swapper/209:45:412
155442610,0sleep10-21swapper/111:28:361
240982590,0sleep30-21swapper/307:10:153
255072280,0sleep20-21swapper/208:25:002
196312170,0sleep20-21swapper/209:40:502
178412150,0sleep10-21swapper/111:52:071
132172150,0sleep10-21swapper/110:30:261
285802120,0sleep30-21swapper/310:15:453
37032110,0sleep20-21swapper/209:28:312
232719995,3cyclictest508-21dbus-daemon12:15:011
232719993,4cyclictest7661-21lldpd10:40:151
232719993,4cyclictest7661-21lldpd10:40:151
26061280,0sleep30-21swapper/311:57:203
232839986,1cyclictest14726-21smart_sda11:00:193
232839983,3cyclictest19982-21systemd-journal12:13:593
232839983,3cyclictest19982-21systemd-journal10:47:323
232769984,3cyclictest25456-21cron07:15:012
232769984,3cyclictest21289-21sshd11:32:312
232769984,3cyclictest19982-21systemd-journal11:17:152
232769982,3cyclictest7661-21lldpd09:37:582
232719984,3cyclictest508-21dbus-daemon12:08:341
232679984,3cyclictest508-21dbus-daemon12:25:000
232679984,3cyclictest19982-21systemd-journal08:40:310
232679984,3cyclictest11736-21in:imuxsock09:18:450
232679982,5cyclictest19222-21awk11:05:010
232679982,5cyclictest15285-21cat09:10:210
232679981,4cyclictest25473-21awk07:15:000
3883270,0sleep30-21swapper/309:28:433
232839974,2cyclictest8894-21cron10:00:013
232839974,2cyclictest6849-21systemctl10:25:223
232839974,2cyclictest508-21dbus-daemon07:31:333
232839973,3cyclictest508-21dbus-daemon09:01:393
232839973,3cyclictest508-21dbus-daemon08:49:083
232839973,3cyclictest508-21dbus-daemon08:49:083
232839973,3cyclictest30580-21cron07:25:013
232839973,3cyclictest24447-21cat09:45:183
232839973,3cyclictest19982-21systemd-journal11:33:563
232839973,3cyclictest19982-21systemd-journal09:44:053
232839973,3cyclictest19982-21systemd-journal08:25:203
232839973,2cyclictest19982-21systemd-journal09:07:303
232839973,1cyclictest0-21swapper/311:48:353
232839973,1cyclictest0-21swapper/311:37:303
232839973,1cyclictest0-21swapper/309:12:563
232839972,3cyclictest19982-21systemd-journal10:44:133
232839972,3cyclictest19982-21systemd-journal10:44:133
232839972,3cyclictest19982-21systemd-journal10:33:023
232839972,3cyclictest19982-21systemd-journal08:25:013
232839971,3cyclictest18142-21rm10:07:113
232839971,2cyclictest34-21ksoftirqd/309:18:443
232769974,2cyclictest6345-21cron08:55:012
232769973,3cyclictest508-21dbus-daemon08:49:332
232769973,3cyclictest508-21dbus-daemon08:49:332
232769973,3cyclictest19982-21systemd-journal10:44:132
232769973,3cyclictest19982-21systemd-journal10:44:132
232769973,3cyclictest19982-21systemd-journal10:04:552
232769973,3cyclictest14155-21sshd10:31:322
232769973,3cyclictest11628-21perl11:25:152
232769973,3cyclictest0-21swapper/212:19:122
232769973,1cyclictest0-21swapper/212:27:382
232769973,1cyclictest0-21swapper/211:35:402
232769973,1cyclictest0-21swapper/209:58:352
232769972,4cyclictest29741-11brltty11:50:372
232769972,3cyclictest19982-21systemd-journal11:59:262
232769972,3cyclictest19982-21systemd-journal10:26:322
232769972,3cyclictest19982-21systemd-journal07:55:322
232719974,2cyclictest29741-11brltty11:21:001
232719974,2cyclictest19982-21systemd-journal10:08:251
232719974,2cyclictest19982-21systemd-journal09:36:311
232719973,3cyclictest5537-21apt-get07:40:141
232719973,3cyclictest23413-21sshd09:17:311
232719973,3cyclictest19982-21systemd-journal11:57:431
232719973,1cyclictest0-21swapper/112:18:091
232719973,1cyclictest0-21swapper/110:04:201
232719973,1cyclictest0-21swapper/109:58:101
232719972,3cyclictest19982-21systemd-journal12:31:051
232719972,3cyclictest19982-21systemd-journal09:30:511
232719972,3cyclictest19982-21systemd-journal09:27:311
232719972,3cyclictest19982-21systemd-journal07:37:361
232719971,2cyclictest26130-21ssh09:20:121
232719970,2cyclictest1-21systemd07:10:161
232679974,2cyclictest508-21dbus-daemon12:39:510
232679974,2cyclictest508-21dbus-daemon12:39:510
232679974,2cyclictest508-21dbus-daemon10:55:330
232679974,2cyclictest30654-21snmpd11:38:520
232679974,2cyclictest11736-21in:imuxsock10:40:000
232679974,2cyclictest11736-21in:imuxsock08:17:510
232679973,3cyclictest508-21dbus-daemon09:24:360
232679973,3cyclictest30654-21snmpd08:12:270
232679973,3cyclictest29607-21sed07:20:170
232679973,3cyclictest28193-21sshd07:18:400
232679973,3cyclictest2633-21memory10:50:140
232679973,3cyclictest19982-21systemd-journal12:16:030
232679973,3cyclictest19982-21systemd-journal08:55:490
232679973,2cyclictest32694-21sshd07:28:420
232679973,1cyclictest0-21swapper/011:50:220
232679972,3cyclictest7661-21lldpd09:54:340
232679972,3cyclictest19982-21systemd-journal09:44:370
232679972,3cyclictest19982-21systemd-journal09:08:590
232679972,3cyclictest19982-21systemd-journal08:35:220
232679971,3cyclictest19982-21systemd-journal11:55:130
232679971,1cyclictest19982-21systemd-journal09:36:410
232679970,3cyclictest5511-21/usr/sbin/munin07:40:210
232839966,0cyclictest0-21swapper/308:15:173
232839964,1cyclictest8969-21smart_sda07:45:183
232839964,1cyclictest7660-21sh10:55:123
232839963,2cyclictest7125-21grep08:55:143
232839963,2cyclictest6674-21tr12:05:193
232839963,2cyclictest6173-21cat09:30:153
232839963,2cyclictest5958-21seq08:50:263
232839963,2cyclictest508-21dbus-daemon11:20:183
232839963,2cyclictest5057-21cat12:25:143
232839963,2cyclictest473-21cat11:15:143
232839963,2cyclictest30654-21snmpd07:40:563
232839963,2cyclictest29944-21rm09:23:143
232839963,2cyclictest29741-11brltty09:36:173
232839963,2cyclictest19470-21gltestperf08:10:143
232839962,3cyclictest32689-21ls08:40:143
232839962,3cyclictest31298-21tr08:35:193
232839962,3cyclictest30654-21snmpd12:20:253
232839962,3cyclictest30654-21snmpd12:01:113
232839962,3cyclictest30654-21snmpd08:32:103
232839962,3cyclictest30654-21snmpd07:26:303
232839962,3cyclictest27124-21netstat11:10:163
232839962,3cyclictest13454-21cat07:55:193
232839962,3cyclictest11150-21sh10:00:553
232839962,3cyclictest0-21swapper/312:30:543
232839962,3cyclictest0-21swapper/311:27:103
232839962,3cyclictest0-21swapper/310:20:063
232839962,2cyclictest19982-21systemd-journal11:06:313
232839962,1cyclictest0-21swapper/312:35:313
232839962,1cyclictest0-21swapper/312:35:313
232839962,1cyclictest0-21swapper/312:15:413
232839962,1cyclictest0-21swapper/311:51:053
232839962,1cyclictest0-21swapper/311:42:353
232839962,1cyclictest0-21swapper/310:50:153
232839962,1cyclictest0-21swapper/310:36:523
232839961,4cyclictest29803-21apt-get09:50:133
232839961,4cyclictest14477-21apt-get08:00:153
232839961,3cyclictest19982-21systemd-journal10:14:083
232839961,3cyclictest19982-21systemd-journal07:35:423
232839960,4cyclictest19982-21systemd-journal07:17:473
232769965,1cyclictest0-21swapper/209:12:252
232769964,1cyclictest30591-21irqstats12:00:172
232769964,1cyclictest13374-21diskmemload11:06:492
232769964,1cyclictest12956-21users09:05:222
232769963,2cyclictest508-21dbus-daemon10:55:322
232769963,2cyclictest28966-21sh09:22:002
232769963,2cyclictest11736-21in:imuxsock09:03:182
232769962,3cyclictest6445-21ls11:45:112
232769962,3cyclictest6315-21expr09:30:162
232769962,3cyclictest5754-21df12:05:142
232769962,3cyclictest31851-21seq08:37:362
232769962,3cyclictest30654-21snmpd12:35:002
232769962,3cyclictest30654-21snmpd12:35:002
232769962,3cyclictest30654-21snmpd11:20:142
232769962,3cyclictest30654-21snmpd11:01:212
232769962,3cyclictest30654-21snmpd10:05:232
232769962,3cyclictest30654-21snmpd08:30:222
232769962,3cyclictest27286-21awk11:10:192
232769962,3cyclictest19982-21systemd-journal07:48:482
232769962,3cyclictest1574-21ssh11:41:462
232769962,3cyclictest15329-21cat08:00:192
232769962,3cyclictest13577-21ls12:10:142
232769962,3cyclictest0-21swapper/212:30:412
232769962,2cyclictest19982-21systemd-journal07:26:072
232769962,1cyclictest0-21swapper/212:20:262
232769962,1cyclictest0-21swapper/210:11:072
232769961,4cyclictest0-21swapper/210:45:042
232769961,3cyclictest7661-21lldpd08:29:552
232769961,3cyclictest19982-21systemd-journal10:15:052
232769961,3cyclictest19982-21systemd-journal08:05:202
232769961,3cyclictest19982-21systemd-journal07:24:272
232769960,6cyclictest0-21swapper/210:51:182
232769960,0cyclictest0-21swapper/207:15:032
232719966,0cyclictest0-21swapper/112:35:151
232719966,0cyclictest0-21swapper/112:35:141
232719966,0cyclictest0-21swapper/111:12:451
232719964,1cyclictest18750irq/134-ahci[0011:10:001
232719963,2cyclictest508-21dbus-daemon08:40:231
232719963,2cyclictest4904-21head08:50:131
232719963,2cyclictest32423-21sh10:20:091
232719963,2cyclictest31348-21tune2fs07:25:141
232719963,2cyclictest30654-21snmpd12:27:421
232719963,2cyclictest30654-21snmpd08:56:531
232719963,2cyclictest30654-21snmpd08:29:291
232719963,2cyclictest30497-21cat09:50:151
232719963,2cyclictest29904-21irqstats12:20:141
232719963,2cyclictest28410-21sh10:15:331
232719963,2cyclictest18343-21taskset08:06:271
232719963,2cyclictest14477-21cat09:10:161
232719962,3cyclictest7655-21ssh10:55:121
232719962,3cyclictest6480-21expr11:45:121
232719962,3cyclictest508-21dbus-daemon07:15:011
232719962,3cyclictest30654-21snmpd11:30:011
232719962,3cyclictest30654-21snmpd10:36:161
232719962,3cyclictest30654-21snmpd09:48:161
232719962,3cyclictest30654-21snmpd09:42:431
232719962,3cyclictest30654-21snmpd08:21:341
232719962,3cyclictest30654-21snmpd07:34:451
232719962,3cyclictest30476-21cat08:35:131
232719962,3cyclictest30074-21expr12:00:141
232719962,3cyclictest29755-21cat10:45:191
232719962,3cyclictest24371-21expr11:35:161
232719962,3cyclictest20126-21smart_sda08:10:181
232719962,2cyclictest7661-21lldpd07:45:091
232719961,3cyclictest19982-21systemd-journal11:15:101
232719961,3cyclictest19982-21systemd-journal10:25:061
232719960,6cyclictest0-21swapper/111:40:311
232719960,4cyclictest19982-21systemd-journal08:45:231
232719960,4cyclictest19982-21systemd-journal08:45:221
232679964,1cyclictest625-21/usr/sbin/munin07:30:190
232679964,1cyclictest3892-21grep09:55:170
232679963,2cyclictest7435-21sh12:05:390
232679963,2cyclictest508-21dbus-daemon08:25:010
232679963,2cyclictest4142-21ntp_states07:35:160
232679963,2cyclictest356-21sh11:40:470
232679963,2cyclictest29741-11brltty09:03:190
232679963,2cyclictest14412-21grep12:10:180
232679963,2cyclictest13787-21taskset07:55:220
232679963,2cyclictest13627-21uname12:30:160
232679963,2cyclictest12867-21threads10:30:210
232679963,2cyclictest11736-21in:imuxsock08:26:120
232679963,2cyclictest11502-21unixbench_singl07:50:180
232679962,3cyclictest7330-21sh10:25:260
232679962,3cyclictest6871-21ssh11:20:360
232679962,3cyclictest5783-21expr09:30:120
232679962,3cyclictest32714-21expr10:20:120
232679962,3cyclictest30654-21snmpd09:47:470
232679962,3cyclictest30654-21snmpd08:51:280
232679962,3cyclictest30654-21snmpd08:01:270
232679962,3cyclictest30654-21snmpd07:49:280
232679962,3cyclictest27337-21kernelversion10:15:160
232679962,3cyclictest25999-21sh11:10:050
232679962,3cyclictest23811-21ntpq10:40:210
232679962,3cyclictest23811-21ntpq10:40:210
232679962,3cyclictest18139-21sed08:05:190
232679962,3cyclictest0-21swapper/012:26:040
232679962,3cyclictest0-21swapper/011:30:280
232679962,3cyclictest0-21swapper/011:28:400
232679962,2cyclictest19982-21systemd-journal12:00:010
232679962,1cyclictest0-21swapper/011:45:330
232679962,1cyclictest0-21swapper/010:01:110
232679961,3cyclictest19982-21systemd-journal10:45:320
232679961,3cyclictest19982-21systemd-journal10:05:550
232679960,5cyclictest0-21swapper/009:25:120
232679960,3cyclictest668-21runrttasks11:05:130
232679960,0cyclictest0-21swapper/010:10:100
1842265,0sleep20-21swapper/208:44:322
232839952,2cyclictest9998-21grep07:50:093
232839951,3cyclictest30654-21snmpd08:05:103
232769952,2cyclictest6749-21grep08:55:132
232769952,2cyclictest613-21seq07:30:052
232769952,2cyclictest30654-21snmpd09:50:072
232769952,2cyclictest30654-21snmpd08:15:032
232769952,2cyclictest17712-21expr10:35:112
232769952,2cyclictest10093-21grep07:50:102
232769951,3cyclictest6209-21cat07:40:172
232769951,3cyclictest3568-21/usr/sbin/munin07:35:112
232769950,1cyclictest18898-21/usr/sbin/munin08:10:122
232719953,1cyclictest21720-21head08:15:131
232719952,3cyclictest28533-21kworker/1:008:00:031
232719952,2cyclictest52050irq/138-enp4s0-10:10:011
232719952,2cyclictest30654-21snmpd08:30:141
232719952,2cyclictest29187-21cut07:20:131
232719952,2cyclictest13717-21expr11:00:141
232719952,2cyclictest12209-21cat07:55:121
232719952,2cyclictest11948-21head09:05:171
232719952,2cyclictest10164-21expr07:50:101
232719951,3cyclictest9126-21appstreamcli09:00:001
232719951,3cyclictest1630-21latency_hist10:50:011
232679952,2cyclictest32285-21cut11:15:110
232679952,2cyclictest30654-21snmpd08:45:100
232679952,2cyclictest30654-21snmpd08:45:100
232679951,3cyclictest28093-21cat08:30:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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