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2025-06-13 - 00:17
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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 Jun 12, 2025 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
318342301267,21sleep20-21swapper/207:06:442
317652265207,19sleep10-21swapper/107:05:521
317502256221,22sleep30-21swapper/307:05:413
318422255222,22sleep00-21swapper/007:06:510
305802540,0sleep00-21swapper/009:42:560
297552250,1sleep129600-21cstates09:15:121
98222200,0sleep30-21swapper/309:25:493
32201991817,1cyclictest20623-21lspci09:02:251
176482160,0sleep20-21swapper/211:19:402
3220599121,4cyclictest502-21systemd-logind09:02:462
3220599113,2cyclictest19982-21systemd-journal07:20:222
3220599112,3cyclictest508-21dbus-daemon09:40:002
3220599111,3cyclictest19982-21systemd-journal08:40:472
3220599110,3cyclictest19982-21systemd-journal11:15:002
3220599110,3cyclictest19982-21systemd-journal09:50:012
3220599103,3cyclictest30654-21snmpd08:17:022
3220599102,3cyclictest30654-21snmpd09:21:522
3220599102,2cyclictest6063-21gdbus11:35:002
3220599102,2cyclictest19982-21systemd-journal09:10:512
3220599102,1cyclictest0-21swapper/211:33:292
3220599100,3cyclictest19982-21systemd-journal11:53:392
7784290,0sleep00-21swapper/011:58:380
322059993,2cyclictest21136-21sh10:01:052
322059993,1cyclictest0-21swapper/212:10:472
322059993,1cyclictest0-21swapper/212:09:462
322059992,2cyclictest9415-21awk09:25:222
322059992,2cyclictest11417-21sshd07:30:232
322059992,1cyclictest0-21swapper/209:43:042
322059990,2cyclictest28975-21rm11:01:042
322019994,3cyclictest502-21systemd-logind10:06:251
321999995,3cyclictest19982-21systemd-journal09:20:000
321999994,2cyclictest5541-21apt-get11:35:010
5858280,0sleep20-21swapper/211:09:562
322119986,1cyclictest5678-21hddtemp_smartct07:20:163
322119986,1cyclictest23595-21diskmemload11:22:163
322059983,3cyclictest19982-21systemd-journal10:21:062
322059983,3cyclictest19982-21systemd-journal09:15:062
322059983,1cyclictest668-21runrttasks10:16:012
322059982,2cyclictest347-21rm10:38:142
322059982,2cyclictest23222-21ssh10:56:152
322059982,2cyclictest0-21swapper/210:49:312
322059980,3cyclictest19982-21systemd-journal07:27:212
322059980,2cyclictest6514-21cron08:35:002
322059980,2cyclictest27143-21ssh11:25:492
322019986,1cyclictest18382-21ssh09:59:471
322019984,3cyclictest19982-21systemd-journal07:10:201
322019983,3cyclictest19982-21systemd-journal10:56:551
322019983,3cyclictest19982-21systemd-journal09:43:051
322019983,3cyclictest19982-21systemd-journal08:44:141
322019983,2cyclictest17467-21awk12:05:001
322019980,7cyclictest23595-21diskmemload10:20:131
321999986,1cyclictest0-21swapper/010:15:170
321999984,3cyclictest28729-21sshd12:11:240
321999984,3cyclictest19982-21systemd-journal11:20:420
321999983,3cyclictest19982-21systemd-journal12:02:240
22365280,0sleep30-21swapper/311:45:313
322119973,3cyclictest508-21dbus-daemon12:33:413
322119973,3cyclictest508-21dbus-daemon12:33:413
322119973,3cyclictest22014-21ntp_states07:55:183
322119973,3cyclictest19982-21systemd-journal10:20:363
322119973,3cyclictest19982-21systemd-journal09:02:393
322119973,3cyclictest19982-21systemd-journal08:43:203
322119973,3cyclictest19116-21gdbus08:40:003
322119973,3cyclictest19116-21gdbus08:20:013
322119973,3cyclictest14480-21ntpq11:40:163
322119973,3cyclictest13722-21sed08:50:003
322119973,3cyclictest0-21swapper/312:26:593
322119973,3cyclictest0-21swapper/311:25:553
322119973,1cyclictest0-21swapper/312:13:163
322119972,4cyclictest9946-21grep07:30:143
322119972,4cyclictest30654-21snmpd07:50:163
322119972,4cyclictest0-21swapper/309:15:133
322119972,3cyclictest508-21dbus-daemon10:15:373
322119972,3cyclictest19982-21systemd-journal11:07:463
322119971,4cyclictest19982-21systemd-journal12:23:163
322119970,6cyclictest1-21systemd07:48:453
322119970,6cyclictest1065-21ssh10:11:263
322059974,2cyclictest508-21dbus-daemon10:09:472
322059973,3cyclictest508-21dbus-daemon08:20:192
322059973,3cyclictest19982-21systemd-journal09:31:472
322059973,3cyclictest19982-21systemd-journal08:10:382
322059973,3cyclictest18840-21apt07:50:122
322059973,3cyclictest0-21swapper/211:20:082
322059973,3cyclictest0-21swapper/210:42:192
322059973,1cyclictest0-21swapper/212:35:192
322059973,1cyclictest0-21swapper/212:23:372
322059973,1cyclictest0-21swapper/211:55:582
322059973,1cyclictest0-21swapper/211:49:102
322059970,4cyclictest18586-21munin-run07:50:002
322019975,1cyclictest22-21ksoftirqd/111:40:011
322019974,2cyclictest6751-21sshd07:21:221
322019974,2cyclictest32316-21ssh10:37:421
322019974,2cyclictest32259-21cron08:20:001
322019974,2cyclictest29741-11brltty11:53:381
322019974,2cyclictest11736-21in:imuxsock08:26:181
322019973,3cyclictest508-21dbus-daemon09:29:591
322019973,3cyclictest508-21dbus-daemon08:33:491
322019973,3cyclictest30654-21snmpd11:17:141
322019973,3cyclictest19982-21systemd-journal12:08:221
322019973,3cyclictest17141-21apt-get12:25:121
322019973,3cyclictest0-21swapper/111:32:231
322019973,1cyclictest0-21swapper/112:16:161
322019973,1cyclictest0-21swapper/110:25:411
322019973,1cyclictest0-21swapper/110:13:121
322019972,3cyclictest19982-21systemd-journal09:21:211
322019972,3cyclictest19982-21systemd-journal08:20:401
322019972,3cyclictest19982-21systemd-journal07:35:001
322019972,1cyclictest10260-21systemctl10:20:001
321999974,2cyclictest508-21dbus-daemon10:26:280
321999973,3cyclictest30654-21snmpd07:46:260
321999973,3cyclictest29741-11brltty12:17:260
321999973,3cyclictest19982-21systemd-journal10:10:110
321999973,3cyclictest1-21systemd09:02:340
321999973,1cyclictest0-21swapper/012:28:000
321999972,3cyclictest19982-21systemd-journal08:58:490
321999972,3cyclictest19982-21systemd-journal07:42:550
321999971,3cyclictest28847-21rm11:50:360
321999971,3cyclictest19982-21systemd-journal09:27:220
25084270,0sleep00-21swapper/010:05:140
21973270,0sleep30-21swapper/309:05:143
14340270,0sleep00-21swapper/011:40:160
322119964,1cyclictest282402sleep311:50:223
322119964,1cyclictest27425-21grep11:00:173
322119964,1cyclictest20723-21apt-get10:55:133
322119963,3cyclictest13309-21kworker/3:009:40:553
322119963,2cyclictest30654-21snmpd11:14:063
322119963,2cyclictest30654-21snmpd08:00:093
322119963,2cyclictest29741-11brltty09:47:393
322119963,2cyclictest2206-21cat12:35:193
322119963,2cyclictest1676-21ssh12:15:163
322119963,2cyclictest12628-21cpu11:15:143
322119963,2cyclictest0-21swapper/308:50:143
322119962,3cyclictest8751-21ls10:45:143
322119962,3cyclictest7210-21cat09:50:133
322119962,3cyclictest6423-21grep11:35:133
322119962,3cyclictest508-21dbus-daemon09:20:073
322119962,3cyclictest508-21dbus-daemon08:25:193
322119962,3cyclictest30654-21snmpd08:56:063
322119962,3cyclictest30654-21snmpd08:30:063
322119962,3cyclictest30654-21snmpd08:21:233
322119962,3cyclictest30654-21snmpd07:28:263
322119962,3cyclictest27847-21sort08:10:153
322119962,3cyclictest2238-21seq11:55:143
322119962,3cyclictest21054-21cut09:35:153
322119962,3cyclictest17114-21cat10:25:153
322119962,3cyclictest15318-21ntpq07:40:153
322119962,3cyclictest0-21swapper/309:10:493
322119962,2cyclictest19982-21systemd-journal09:30:593
322119962,1cyclictest0-21swapper/310:35:353
322119961,4cyclictest14129-21munin-run07:40:003
322119961,4cyclictest0-21swapper/309:57:113
322119961,3cyclictest19982-21systemd-journal10:51:123
322119961,3cyclictest19982-21systemd-journal10:40:223
322119961,1cyclictest9968-21apt-get12:00:143
322119960,6cyclictest0-21swapper/311:31:463
322119960,6cyclictest0-21swapper/310:30:183
322119960,5cyclictest19977-21rm12:05:373
322119960,3cyclictest26810-21ssh10:05:513
322059963,2cyclictest4520-21ssh12:16:392
322059963,2cyclictest31683-21uname10:10:162
322059963,2cyclictest12785-21rm09:55:122
322059963,2cyclictest1-21systemd08:51:202
322059963,2cyclictest10101-21cpuspeed_turbos12:00:142
322059962,3cyclictest508-21dbus-daemon09:06:462
322059962,3cyclictest30654-21snmpd11:40:222
322059962,3cyclictest2966-21cat08:25:152
322059962,3cyclictest23974-21switchtime10:30:232
322059962,3cyclictest19982-21systemd-journal08:07:072
322059962,3cyclictest17648-21sshd08:55:522
322059962,3cyclictest16129-21awk10:50:202
322059962,3cyclictest15071-21cat07:40:132
322059962,3cyclictest1458-21tail07:10:212
322059962,3cyclictest12789-21cat08:45:212
322059962,2cyclictest19982-21systemd-journal09:50:352
322059962,2cyclictest19982-21systemd-journal07:59:112
322059962,1cyclictest0-21swapper/212:30:032
322059962,1cyclictest0-21swapper/212:30:022
322059962,1cyclictest0-21swapper/212:25:192
322059961,3cyclictest19982-21systemd-journal08:38:232
322059961,3cyclictest19982-21systemd-journal07:37:042
322059960,3cyclictest17951-21ssh10:25:212
322019964,1cyclictest0-21swapper/112:10:021
322019963,2cyclictest7661-21lldpd07:26:281
322019963,2cyclictest30654-21snmpd08:39:341
322019963,2cyclictest16701-21ssh09:31:121
322019963,2cyclictest16483-21fschecks_time08:55:151
322019963,2cyclictest14972-21sed07:40:141
322019963,2cyclictest14195-21df_inode08:50:141
322019963,2cyclictest1309-21grep09:45:161
322019963,2cyclictest0-21swapper/111:25:121
322019962,3cyclictest9647-21cut12:20:151
322019962,3cyclictest7082-21cat11:10:141
322019962,3cyclictest508-21dbus-daemon11:40:011
322019962,3cyclictest508-21dbus-daemon10:40:021
322019962,3cyclictest508-21dbus-daemon09:35:331
322019962,3cyclictest508-21dbus-daemon08:11:411
322019962,3cyclictest3595-21seq12:36:111
322019962,3cyclictest30654-21snmpd09:12:371
322019962,3cyclictest30654-21snmpd09:07:521
322019962,3cyclictest2269-21expr11:55:131
322019962,3cyclictest19088-21cat07:50:131
322019962,3cyclictest15274-21irqstats10:50:151
322019962,3cyclictest1-21systemd08:05:261
322019962,1cyclictest0-21swapper/111:45:151
322019962,1cyclictest0-21swapper/111:23:341
322019962,1cyclictest0-21swapper/111:05:041
322019962,1cyclictest0-21swapper/111:00:431
322019962,1cyclictest0-21swapper/109:50:401
322019961,3cyclictest19982-21systemd-journal10:46:121
322019961,3cyclictest19982-21systemd-journal08:47:351
322019960,3cyclictest4399-21sshd07:15:211
322019960,2cyclictest7661-21lldpd10:34:171
322019960,2cyclictest19943-21cat10:00:161
322019960,0cyclictest0-21swapper/112:33:081
322019960,0cyclictest0-21swapper/112:33:081
321999966,0cyclictest0-21swapper/007:10:010
321999963,2cyclictest925-21fschecks_time09:45:140
321999963,2cyclictest6779-21df11:10:120
321999963,2cyclictest668-21runrttasks09:12:030
321999963,2cyclictest668-21runrttasks07:50:310
321999963,2cyclictest30654-21snmpd12:35:430
321999963,2cyclictest30654-21snmpd09:06:300
321999963,2cyclictest30654-21snmpd07:25:530
321999963,2cyclictest19982-21systemd-journal07:56:410
321999963,2cyclictest19982-21systemd-journal07:25:000
321999963,2cyclictest1220-21awk11:05:170
321999963,2cyclictest11266-21sed07:30:220
321999962,3cyclictest5391-21wc08:30:170
321999962,3cyclictest5164-21ntpd07:15:180
321999962,3cyclictest508-21dbus-daemon11:28:380
321999962,3cyclictest474-21forks08:20:150
321999962,3cyclictest30654-21snmpd12:21:230
321999962,3cyclictest30654-21snmpd10:56:320
321999962,3cyclictest30654-21snmpd10:45:070
321999962,3cyclictest30654-21snmpd10:30:230
321999962,3cyclictest30654-21snmpd09:55:240
321999962,3cyclictest30654-21snmpd08:25:060
321999962,3cyclictest30654-21snmpd08:14:260
321999962,3cyclictest30654-21snmpd08:00:260
321999962,3cyclictest30654-21snmpd07:36:380
321999962,3cyclictest30157-21readlink08:15:020
321999962,3cyclictest3005-21diskstats09:20:140
321999962,3cyclictest26477-21ntpq08:05:170
321999962,3cyclictest21586-21sed11:45:170
321999962,3cyclictest20909-21expr09:35:150
321999962,3cyclictest19982-21systemd-journal08:37:090
321999962,3cyclictest18970-21ntpq12:05:170
321999962,3cyclictest14959-21cat08:50:190
321999962,3cyclictest12486-21awk08:45:170
321999962,3cyclictest10994-21expr10:20:140
321999962,3cyclictest0-21swapper/011:35:250
321999962,3cyclictest0-21swapper/011:17:160
321999962,3cyclictest0-21swapper/010:50:110
321999962,1cyclictest0-21swapper/012:32:310
321999962,1cyclictest0-21swapper/012:32:300
321999961,3cyclictest19982-21systemd-journal10:00:010
321999961,3cyclictest19982-21systemd-journal09:50:090
321999961,2cyclictest5208-21ssh10:41:360
321999961,2cyclictest16401-21ssh09:30:530
321999960,3cyclictest30948-21sshd10:36:120
321999960,0cyclictest0-21swapper/011:02:110
321999960,0cyclictest0-21swapper/008:40:220
20029260,1sleep323595-21diskmemload10:00:173
322119953,2cyclictest22991-21kworker/3:207:10:113
322119952,2cyclictest25791-21expr08:05:143
322119951,3cyclictest2352-21ntp_states07:15:023
322059952,2cyclictest3150-21expr07:15:152
322059951,3cyclictest23671-21cat08:00:132
322019952,2cyclictest23476-21expr08:00:121
322019952,2cyclictest22466-21cat07:55:221
322019952,2cyclictest16953-21expr07:45:141
322019951,2cyclictest19982-21systemd-journal07:35:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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