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2025-12-04 - 22:52
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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 Dec 04, 2025 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
198542314283,20sleep20-21swapper/207:08:342
198552276243,21sleep30-21swapper/307:08:353
197322267200,20sleep00-21swapper/007:06:590
199422257224,21sleep10-21swapper/107:09:421
226182590,0sleep20-21swapper/210:13:212
102082590,1sleep10-21swapper/110:54:001
116772580,0sleep00-21swapper/012:30:420
178052540,0sleep20-21swapper/208:15:002
12402520,0sleep10-21swapper/110:21:181
45652440,0sleep30-21swapper/311:39:443
243292190,0sleep00-21swapper/011:53:220
9832170,0sleep30-21swapper/311:11:333
5242170,0sleep00-21swapper/010:20:360
219122170,0sleep20-21swapper/211:02:232
171792170,0sleep30-21swapper/311:24:573
217132140,0sleep00-21swapper/007:10:200
312792120,0sleep30-21swapper/310:20:143
284922120,0sleep30-21swapper/310:42:423
262342110,0sleep10-21swapper/109:22:061
200949994,3cyclictest19982-21systemd-journal12:19:312
200949994,3cyclictest19982-21systemd-journal09:43:562
200909994,1cyclictest24393-21awk10:40:011
200879992,4cyclictest23405-21idleruntime-cro12:40:000
200879992,4cyclictest11815-21munin-plugin-st10:05:010
200999983,3cyclictest19982-21systemd-journal08:14:593
200999983,3cyclictest19982-21systemd-journal07:25:233
200949986,1cyclictest11936-21sensors_temp09:10:192
200949984,3cyclictest19982-21systemd-journal12:11:262
200949984,3cyclictest19982-21systemd-journal11:35:472
200949983,3cyclictest19982-21systemd-journal09:38:292
200949983,3cyclictest19982-21systemd-journal07:37:312
200949980,6cyclictest19982-21systemd-journal07:52:232
200909987,1cyclictest22-21ksoftirqd/111:20:011
200909984,3cyclictest19982-21systemd-journal08:29:391
200909984,3cyclictest19982-21systemd-journal07:15:131
200909983,3cyclictest19982-21systemd-journal09:28:531
200879987,1cyclictest12-21ksoftirqd/011:49:590
200879986,1cyclictest2052-21cron12:25:000
200879983,3cyclictest19982-21systemd-journal09:15:070
200879982,3cyclictest16392-21munin-run09:15:010
200999975,1cyclictest0-21swapper/312:10:213
200999974,2cyclictest668-21runrttasks08:32:583
200999974,2cyclictest508-21dbus-daemon11:46:093
200999974,2cyclictest508-21dbus-daemon07:57:073
200999973,3cyclictest508-21dbus-daemon08:20:003
200999973,3cyclictest508-21dbus-daemon07:17:533
200999973,3cyclictest32541-21systemctl10:45:203
200999973,3cyclictest30654-21snmpd10:53:383
200999973,3cyclictest30654-21snmpd08:45:223
200999973,3cyclictest12956-21cron12:10:003
200999973,3cyclictest0-21swapper/310:55:193
200999973,1cyclictest0-21swapper/309:13:263
200999972,3cyclictest19982-21systemd-journal11:44:043
200999972,3cyclictest19982-21systemd-journal07:30:343
200999971,4cyclictest19982-21systemd-journal10:03:073
200999970,3cyclictest31987-21ssh09:27:233
200949974,2cyclictest508-21dbus-daemon11:09:262
200949973,3cyclictest508-21dbus-daemon12:23:412
200949973,3cyclictest508-21dbus-daemon07:16:382
200949973,3cyclictest30654-21snmpd08:42:582
200949973,3cyclictest19982-21systemd-journal10:26:012
200949973,3cyclictest19982-21systemd-journal08:52:252
200949973,3cyclictest1-21systemd08:17:072
200949973,3cyclictest0-21swapper/210:36:152
200949973,3cyclictest0-21swapper/210:03:092
200949973,1cyclictest0-21swapper/211:53:592
200949973,1cyclictest0-21swapper/211:33:412
200949972,3cyclictest19982-21systemd-journal08:55:272
200949972,3cyclictest19982-21systemd-journal07:45:092
200949971,3cyclictest10153-21munin-run09:10:002
200949970,6cyclictest24926-21cstates10:15:142
200949970,4cyclictest294492ssh09:51:242
200909974,2cyclictest7661-21lldpd12:14:561
200909974,2cyclictest668-21runrttasks10:32:151
200909974,2cyclictest508-21dbus-daemon07:21:141
200909974,2cyclictest1-21systemd09:13:011
200909974,2cyclictest11900-21sh11:20:181
200909974,2cyclictest11736-21in:imuxsock08:43:501
200909973,3cyclictest508-21dbus-daemon08:14:381
200909973,3cyclictest19982-21systemd-journal12:29:551
200909973,3cyclictest19982-21systemd-journal10:00:591
200909973,3cyclictest19982-21systemd-journal09:16:471
200909973,3cyclictest11148-21grep12:30:221
200909973,3cyclictest0-21swapper/111:46:391
200909973,3cyclictest0-21swapper/110:19:291
200909973,3cyclictest0-21swapper/109:47:261
200909973,2cyclictest19982-21systemd-journal07:58:461
200909973,1cyclictest10161-21diskmemload11:25:131
200909973,1cyclictest0-21swapper/112:37:451
200909972,3cyclictest19982-21systemd-journal11:51:241
200909971,4cyclictest19982-21systemd-journal07:52:561
200909971,1cyclictest1-21systemd07:50:011
200909971,1cyclictest11075-21cron10:30:011
200909970,7cyclictest0-21swapper/109:54:111
200909970,4cyclictest18133-21awk10:10:011
200879977,0cyclictest0-21swapper/009:08:020
200879976,1cyclictest12-21ksoftirqd/011:25:010
200879974,2cyclictest6575-21systemctl10:25:190
200879974,2cyclictest508-21dbus-daemon08:17:010
200879974,2cyclictest12-21ksoftirqd/007:40:010
200879973,3cyclictest19982-21systemd-journal12:00:430
200879973,3cyclictest10161-21diskmemload11:28:060
200879973,3cyclictest0-21swapper/012:11:110
200879973,3cyclictest0-21swapper/011:10:200
200879973,3cyclictest0-21swapper/009:55:020
200879973,1cyclictest0-21swapper/011:18:120
200879973,1cyclictest0-21swapper/010:56:570
200879972,4cyclictest19670-21unixbench-2d10:35:220
200879972,3cyclictest22167-21awk08:25:010
200879972,3cyclictest19982-21systemd-journal11:40:000
200879972,3cyclictest19982-21systemd-journal08:15:000
200879971,4cyclictest19982-21systemd-journal10:11:020
200879971,3cyclictest26628-21idleruntime-cro08:35:010
200879971,3cyclictest17666-21dump-pmu-power10:35:000
200999964,1cyclictest3018-21irqstats07:40:183
200999963,2cyclictest8815-21grep07:55:013
200999963,2cyclictest473-21expr09:55:143
200999963,2cyclictest29843-21sh12:20:453
200999963,2cyclictest27563-21cat08:35:143
200999963,2cyclictest246442sleep311:05:133
200999963,2cyclictest2410-21sh12:25:073
200999963,2cyclictest20825-21rm11:26:483
200999963,2cyclictest17623-21wc09:15:153
200999963,2cyclictest12165-21sh12:31:083
200999963,1cyclictest0-21swapper/311:31:333
200999962,3cyclictest9917-21seq09:35:553
200999962,3cyclictest6512-21expr09:00:153
200999962,3cyclictest508-21dbus-daemon09:20:323
200999962,3cyclictest30654-21snmpd12:35:123
200999962,3cyclictest30654-21snmpd12:00:183
200999962,3cyclictest30654-21snmpd10:37:553
200999962,3cyclictest30654-21snmpd09:51:063
200999962,3cyclictest30654-21snmpd09:43:303
200999962,3cyclictest29365-21expr08:40:153
200999962,3cyclictest20587-21cat09:45:153
200999962,3cyclictest19982-21systemd-journal07:45:263
200999962,3cyclictest19661-21sed10:10:183
200999962,3cyclictest19240-21expr11:00:173
200999962,3cyclictest11736-21in:imuxsock10:30:143
200999962,1cyclictest0-21swapper/311:55:083
200999962,1cyclictest0-21swapper/310:26:173
200999962,1cyclictest0-21swapper/309:32:013
200999962,1cyclictest0-21swapper/309:32:013
200999961,3cyclictest19982-21systemd-journal09:08:523
200999961,3cyclictest19982-21systemd-journal08:55:053
200999961,3cyclictest19982-21systemd-journal07:39:363
200999960,6cyclictest0-21swapper/311:18:183
200999960,6cyclictest0-21swapper/308:20:303
200999960,5cyclictest1474-21apt-get08:50:133
200999960,5cyclictest12464-21smart_sda08:00:183
200999960,3cyclictest21738-21grep07:10:203
200999960,3cyclictest20046-21cstates11:50:133
200999960,2cyclictest23455-21pmu-power08:25:163
200999960,0cyclictest0-21swapper/310:18:523
200999960,0cyclictest0-21swapper/310:05:313
200949963,2cyclictest9007-21apt-get07:55:122
200949963,2cyclictest668-21runrttasks07:42:192
200949963,2cyclictest2688-21ssh09:56:142
200949963,2cyclictest13229-21pluginstate08:05:002
200949962,3cyclictest5164-21ntpd10:51:242
200949962,3cyclictest461-21cpu12:00:132
200949962,3cyclictest30654-21snmpd10:22:402
200949962,3cyclictest30654-21snmpd08:45:282
200949962,3cyclictest30654-21snmpd08:40:012
200949962,3cyclictest30654-21snmpd08:20:562
200949962,3cyclictest30654-21snmpd08:08:172
200949962,3cyclictest26462-21grep11:55:122
200949962,3cyclictest26364-21ntpq07:20:192
200949962,3cyclictest2459-21diskstats09:30:152
200949962,3cyclictest2459-21diskstats09:30:152
200949962,3cyclictest23944-21expr09:20:152
200949962,3cyclictest20663-21expr09:45:152
200949962,3cyclictest18221-21date12:35:202
200949962,3cyclictest1-21systemd10:05:362
200949962,3cyclictest12116-21diskstats10:55:162
200949962,3cyclictest0-21swapper/210:45:432
200949962,3cyclictest0-21swapper/210:41:182
200949962,3cyclictest0-21swapper/210:33:582
200949962,3cyclictest0-21swapper/209:15:452
200949962,1cyclictest0-21swapper/211:40:542
200949962,1cyclictest0-21swapper/209:27:262
200949961,4cyclictest4681-21apt-get11:15:142
200949961,4cyclictest30807-21cpuspeed11:10:122
200949961,4cyclictest28841-21cut07:25:202
200949961,3cyclictest19982-21systemd-journal09:00:562
200949961,2cyclictest13006-21ssh11:20:262
200949960,6cyclictest0-21swapper/212:25:042
200949960,5cyclictest11710-21taskset12:30:442
200949960,3cyclictest20327-21ssh11:26:212
200949960,2cyclictest7681-21irqstats12:05:162
200949960,2cyclictest15038-21sshd11:46:022
200909966,0cyclictest0-21swapper/111:42:341
200909964,1cyclictest128372sleep108:00:261
200909963,2cyclictest508-21dbus-daemon08:50:011
200909963,2cyclictest30654-21snmpd11:10:381
200909963,2cyclictest29741-11brltty08:39:151
200909963,2cyclictest2612-21expr07:40:161
200909963,2cyclictest2295-21sh09:55:471
200909963,2cyclictest19982-21systemd-journal08:45:161
200909963,2cyclictest18979-21cat10:10:151
200909963,2cyclictest18757-21expr11:00:131
200909963,2cyclictest12993-21cat10:55:221
200909962,3cyclictest8689-21fw_packets09:05:151
200909962,3cyclictest6305-21expr09:00:121
200909962,3cyclictest4948-21cat08:55:231
200909962,3cyclictest30654-21snmpd11:36:481
200909962,3cyclictest30654-21snmpd10:45:371
200909962,3cyclictest30654-21snmpd10:40:221
200909962,3cyclictest30654-21snmpd09:35:261
200909962,3cyclictest30654-21snmpd09:30:111
200909962,3cyclictest30654-21snmpd09:30:111
200909962,3cyclictest30654-21snmpd08:24:151
200909962,3cyclictest29741-11brltty12:17:271
200909962,3cyclictest29741-11brltty08:34:141
200909962,3cyclictest28021-21expr12:20:131
200909962,3cyclictest25800-21awk11:05:191
200909962,3cyclictest18596-21cat08:15:161
200909962,3cyclictest1713-21basename12:00:191
200909962,3cyclictest15435-21awk09:40:171
200909961,3cyclictest19982-21systemd-journal08:06:171
200909961,3cyclictest19982-21systemd-journal07:10:111
200909960,6cyclictest0-21swapper/112:07:411
200909960,4cyclictest19982-21systemd-journal11:55:191
200909960,4cyclictest19982-21systemd-journal07:30:351
200909960,3cyclictest19982-21systemd-journal07:26:401
200909960,2cyclictest7661-21lldpd11:33:381
200879963,2cyclictest7988-21sensors_temp07:50:180
200879963,2cyclictest508-21dbus-daemon08:56:450
200879963,2cyclictest4522-21/usr/sbin/munin07:45:150
200879963,2cyclictest32566-21ssh11:35:210
200879963,2cyclictest29341-21taskset07:26:570
200879963,2cyclictest27384-21open_inodes11:55:170
200879963,2cyclictest23451-21sort09:20:140
200879963,2cyclictest16132-21sshd09:40:380
200879962,3cyclictest6548-21hddtemp_smartct09:00:150
200879962,3cyclictest30654-21snmpd10:51:220
200879962,3cyclictest30654-21snmpd08:48:180
200879962,3cyclictest30654-21snmpd07:20:080
200879962,3cyclictest2988-21cat07:40:170
200879962,3cyclictest29418-21expr09:25:140
200879962,3cyclictest2754-21cat09:30:170
200879962,3cyclictest2754-21cat09:30:160
200879962,3cyclictest27503-21cut09:50:160
200879962,3cyclictest23155-21awk07:15:140
200879962,3cyclictest22472-21awk08:25:120
200879962,3cyclictest2146-21cat08:50:150
200879962,3cyclictest20785-21cat12:15:130
200879962,3cyclictest20638-21cat09:45:150
200879962,3cyclictest19092-21cat11:00:160
200879962,3cyclictest11512-21cat08:00:120
200879962,3cyclictest0-21swapper/010:05:350
200879962,3cyclictest0-21swapper/009:35:330
200879962,1cyclictest0-21swapper/010:46:120
200879962,1cyclictest0-21swapper/010:15:270
200879961,4cyclictest30654-21snmpd12:29:310
200879960,5cyclictest6907-21/usr/sbin/munin12:05:170
200879960,3cyclictest29858-21rm11:09:290
200879960,3cyclictest27548-21rm10:41:420
200879960,3cyclictest26817-21rm11:31:160
200999953,1cyclictest25802-21sh07:20:153
200999952,2cyclictest20569-21dpkg12:15:123
200999952,2cyclictest13836-21expr08:05:143
200949952,2cyclictest20446-21tr07:10:122
200949951,3cyclictest30561-21df_inode07:30:142
200949951,3cyclictest25053-21grep08:30:142
200949950,4cyclictest0-21swapper/208:25:012
200909951,3cyclictest32490-21cat07:35:121
200879953,1cyclictest8981-21/usr/sbin/munin07:55:120
200879952,2cyclictest30684-21gltestperf07:30:140
200879952,2cyclictest28856-21latency_hist08:40:000
200879951,3cyclictest30654-21snmpd08:35:040
200879950,3cyclictest19982-21systemd-journal08:05:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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