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2025-12-23 - 03:30
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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
Characteristics of the highest latencies:
System rack2slot0.osadl.org (updated Tue Dec 23, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17852610,0sleep31781-21sshd22:49:463
140192610,1sleep014014-21lspci22:31:500
218412590,0sleep021832-21sshd23:31:540
90842570,7sleep3845999cyclictest23:22:433
134222570,0sleep20-21swapper/221:36:252
207652550,0sleep20-21swapper/222:26:592
63382530,0sleep10-21swapper/122:52:491
53542520,0sleep35355-21kworker/u8:022:58:073
306392520,0sleep00-21swapper/022:52:080
197632520,0sleep019746-21sshd21:47:230
219432510,0sleep10-21swapper/122:04:511
187482510,2sleep0844099cyclictest23:45:120
125812510,1sleep20-21swapper/200:27:542
314492500,0sleep30-21swapper/322:35:573
264872500,1sleep326483-21sendmail_mailqu19:50:173
160252500,0sleep016027-21id23:04:250
120842500,1sleep312082-21sshd23:12:093
93792480,0sleep10-21swapper/123:52:291
275882480,0sleep30-21swapper/321:48:153
252602480,0sleep1231rcuc/100:18:081
18312480,0sleep20-21swapper/223:22:062
292252470,0sleep00-21swapper/022:22:160
3722460,0sleep10-21swapper/121:48:481
66312450,0sleep10-21swapper/122:16:531
222382410,0sleep00-21swapper/022:56:490
822123323,6sleep10-21swapper/119:08:371
797922710,6sleep20-21swapper/219:05:382
826822412,7sleep30-21swapper/319:09:153
803422110,7sleep00-21swapper/019:06:190
63012210,1sleep3391rcuc/321:23:113
58092180,1sleep30-21swapper/321:52:473
310492180,1sleep329977-21packagekitd22:05:413
8451991716,0cyclictest24407-21lspci00:31:352
844099174,3cyclictest674-21dbus-daemon00:36:430
62492170,2sleep3845999cyclictest00:11:053
144602170,0sleep20-21swapper/221:24:382
845999164,6cyclictest649-21polkitd22:40:183
845999160,15cyclictest0-21swapper/323:02:593
8447991613,2cyclictest32535-21lspci00:02:311
844099164,3cyclictest29640-21bash23:56:530
844099164,2cyclictest27378-21bash22:19:080
844099163,5cyclictest674-21dbus-daemon23:29:360
844099163,5cyclictest674-21dbus-daemon23:06:040
844099163,5cyclictest3517-21bash00:27:090
8440991614,1cyclictest13068-21sshd23:39:180
149342160,0sleep30-21swapper/321:19:123
845999158,3cyclictest0-21swapper/300:34:193
844099153,5cyclictest29979-21gdbus21:58:560
844099153,3cyclictest674-21dbus-daemon00:12:310
844099153,3cyclictest642-21systemd-logind22:48:580
844099153,3cyclictest31786-21grepconf.sh00:07:510
844099153,3cyclictest31417-21bash22:41:230
844099152,3cyclictest27352-21bash00:23:460
844099152,12cyclictest1026-21sshd21:36:480
8440991513,1cyclictest6923-21lspci22:36:380
180092150,0sleep118010-21sshd22:37:351
110672150,0sleep20-21swapper/222:17:222
845199141,1cyclictest32648-21sshd21:31:372
845199141,1cyclictest32648-21sshd21:31:362
844099144,3cyclictest674-21dbus-daemon22:27:160
844099144,3cyclictest674-21dbus-daemon21:28:050
844099144,3cyclictest20869-21sshd00:15:050
844099143,5cyclictest674-21dbus-daemon21:16:160
844099143,5cyclictest1-21systemd21:51:240
844099143,3cyclictest674-21dbus-daemon23:12:460
844099143,3cyclictest674-21dbus-daemon00:30:100
844099143,3cyclictest674-21dbus-daemon00:00:460
844099143,3cyclictest13932-21sshd23:17:430
844099143,2cyclictest3143-21id23:51:570
844099142,3cyclictest649-21polkitd21:31:140
844099142,3cyclictest649-21polkitd21:31:130
844099142,2cyclictest6222-21bash23:41:230
844099142,11cyclictest18768-21lspci22:14:480
309952140,0sleep20-21swapper/221:58:552
144942140,0sleep20-21swapper/223:50:132
845999134,6cyclictest6112-21sshd23:52:133
845999130,2cyclictest699-21gdbus22:52:343
845999130,2cyclictest674-21dbus-daemon00:01:173
845999130,1cyclictest9564-21sshd23:30:503
845999130,1cyclictest15961-21id00:20:063
845199130,1cyclictest28747-21systemd-cgroups00:10:162
845199130,1cyclictest0-21swapper/222:39:362
844099134,3cyclictest674-21dbus-daemon21:22:040
844099133,5cyclictest14179-21grep22:07:240
844099133,3cyclictest674-21dbus-daemon21:10:500
844099133,2cyclictest649-21polkitd22:00:350
844099132,2cyclictest674-21dbus-daemon21:40:070
844099132,1cyclictest27943-21lspci23:21:340
6882130,0sleep10-21swapper/122:05:551
320932130,0sleep10-21swapper/121:59:021
281122130,0sleep30-21swapper/321:55:113
260202130,0sleep30-21swapper/300:29:033
254312130,1sleep125428-21lspci23:21:211
845999124,7cyclictest649-21polkitd22:22:533
845999120,2cyclictest674-21dbus-daemon00:35:173
845999120,2cyclictest674-21dbus-daemon00:05:433
845999120,2cyclictest642-21systemd-logind22:31:293
845999120,2cyclictest29979-21gdbus22:28:263
845999120,1cyclictest9520-21systemd-cgroups22:03:303
845999120,1cyclictest6812-21tty22:16:543
845999120,1cyclictest674-21dbus-daemon22:14:583
845999120,1cyclictest674-21dbus-daemon00:16:133
845999120,1cyclictest23774-21grep23:18:343
845999120,1cyclictest1-21systemd23:05:293
845999120,1cyclictest0-21swapper/323:36:283
8451991210,1cyclictest29930-21rm21:45:062
8451991210,1cyclictest0-21swapper/222:24:362
8451991210,1cyclictest0-21swapper/200:20:072
845199120,11cyclictest0-21swapper/223:10:162
845199120,0cyclictest0-21swapper/220:35:162
844799129,2cyclictest623-17sedispatch23:38:061
8447991210,1cyclictest0-21swapper/121:22:361
844799120,11cyclictest31002-21bash22:33:171
844799120,11cyclictest21936-21sshd00:12:271
844799120,11cyclictest0-21swapper/121:11:561
270032120,0sleep3391rcuc/321:37:543
225582120,0sleep20-21swapper/221:25:502
845999115,5cyclictest660-21avahi-daemon21:41:273
845999114,6cyclictest699-21gdbus21:30:403
845999114,6cyclictest699-21gdbus21:30:403
845999114,6cyclictest674-21dbus-daemon21:10:353
845999114,6cyclictest26684-21sshd23:45:463
845999110,1cyclictest7795-21sshd23:55:063
845999110,1cyclictest29986-21bash23:40:383
845999110,1cyclictest1-21systemd23:25:223
845999110,1cyclictest10459-21sensors_fan20:30:173
845999110,1cyclictest0-21swapper/321:25:343
8451991110,0cyclictest0-21swapper/200:06:472
845199110,10cyclictest0-21swapper/221:18:172
845199110,10cyclictest0-21swapper/221:00:062
844799119,1cyclictest19976-21sshd00:25:461
844799118,2cyclictest25-21ksoftirqd/123:55:161
844799111,1cyclictest18240-21bash22:40:171
8447991110,0cyclictest0-21swapper/122:57:071
844799110,8cyclictest1495-21kworker/1:200:08:261
844799110,0cyclictest0-21swapper/123:27:261
844799110,0cyclictest0-21swapper/121:44:261
844099113,3cyclictest642-21systemd-logind19:40:000
150442110,0sleep20-21swapper/200:03:472
845999100,1cyclictest21105-21chrt19:39:373
845999100,1cyclictest21105-21chrt19:39:363
845199109,0cyclictest1898-21lspci00:16:082
845199109,0cyclictest0-21swapper/223:15:172
845199109,0cyclictest0-21swapper/222:58:062
845199109,0cyclictest0-21swapper/222:47:262
845199109,0cyclictest0-21swapper/220:34:562
845199108,1cyclictest7535-21lspci22:42:072
845199108,1cyclictest33-21ksoftirqd/222:34:092
845199100,1cyclictest642-21systemd-logind23:32:102
845199100,0cyclictest0-21swapper/221:05:072
845199100,0cyclictest0-21swapper/220:41:372
844799109,0cyclictest0-21swapper/121:19:471
844799108,1cyclictest29979-21gdbus22:48:561
844799108,1cyclictest25-21ksoftirqd/100:35:001
844799108,1cyclictest0-21swapper/100:22:171
844799101,1cyclictest131rcu_sched22:11:571
844799100,1cyclictest131rcu_sched21:30:591
844799100,1cyclictest131rcu_sched21:30:581
844799100,0cyclictest0-21swapper/123:40:561
844099109,0cyclictest0-21swapper/020:25:190
844099103,4cyclictest674-21dbus-daemon20:14:540
844099103,4cyclictest29306-21munin-run20:00:000
844099102,5cyclictest9712-21wc19:10:190
844099102,5cyclictest9689-21entropy20:30:130
844099102,5cyclictest3385-21expr20:15:120
844099102,5cyclictest25508-21awk19:50:120
223282100,0sleep20-21swapper/221:44:172
84599993,5cyclictest7817-21cat20:25:133
84599993,5cyclictest32068-21cat20:05:153
84599993,5cyclictest1002-21snmpd21:08:033
84599993,5cyclictest1002-21snmpd20:40:323
84599993,5cyclictest1002-21snmpd19:30:013
84599992,2cyclictest11491-21cat19:15:133
84519998,0cyclictest0-21swapper/223:07:472
84519998,0cyclictest0-21swapper/220:55:262
84519998,0cyclictest0-21swapper/219:36:372
84519998,0cyclictest0-21swapper/219:36:362
84519997,1cyclictest8892-21bash23:41:372
84519997,1cyclictest0-21swapper/223:58:172
84519991,3cyclictest131rcu_sched23:25:022
84519991,1cyclictest131rcu_sched23:02:072
84519990,2cyclictest131rcu_sched23:45:142
84519990,2cyclictest131rcu_sched00:36:122
84479998,0cyclictest0-21swapper/122:28:161
84479998,0cyclictest0-21swapper/121:54:571
84479997,1cyclictest25-21ksoftirqd/123:45:461
84479997,1cyclictest25-21ksoftirqd/123:30:101
84479997,1cyclictest25-21ksoftirqd/123:15:291
84479997,1cyclictest25-21ksoftirqd/122:20:581
84479991,1cyclictest11692-21kworker/1:300:35:081
84479990,1cyclictest131rcu_sched21:35:171
84479990,1cyclictest0-21swapper/123:00:541
84409993,2cyclictest32233-21wc20:05:170
84409992,4cyclictest22322-21grep21:00:150
84409992,4cyclictest17634-21sort20:50:130
84409992,4cyclictest13691-21ls20:40:130
84409992,4cyclictest13457-21sed20:40:000
84409992,4cyclictest11490-21/usr/sbin/munin19:15:120
84409992,3cyclictest6464-21sed20:20:180
84409992,3cyclictest19482-21cut19:35:140
84409992,3cyclictest19482-21cut19:35:130
84409992,2cyclictest19632-21grep20:55:140
84599983,4cyclictest1705-21sendmail21:00:023
84599983,4cyclictest1002-21snmpd20:20:223
84599983,4cyclictest1002-21snmpd20:04:503
84599982,2cyclictest1002-21snmpd19:32:543
84599982,1cyclictest28579-21switchtime19:55:213
84599982,1cyclictest23462-21grep19:45:113
84599982,1cyclictest15055-21ls19:25:013
84599982,1cyclictest15055-21ls19:25:003
84599982,1cyclictest1002-21snmpd20:45:383
84599980,7cyclictest4160-21ntp_states20:15:153
84599980,3cyclictest19810-21ls20:55:133
84599980,3cyclictest19357-21ls20:55:013
84599980,2cyclictest699-21gdbus19:44:553
84599980,2cyclictest11782-21grep20:35:133
84599980,1cyclictest8889-21df19:10:123
84519987,0cyclictest0-21swapper/223:36:162
84519987,0cyclictest0-21swapper/221:10:262
84519987,0cyclictest0-21swapper/219:45:372
84519986,1cyclictest6096-21lspci22:03:082
84519983,4cyclictest33-21ksoftirqd/222:10:302
84519981,1cyclictest131rcu_sched22:06:182
84519980,1cyclictest14765-21sshd22:50:472
84479986,1cyclictest25-21ksoftirqd/121:05:001
84479986,1cyclictest21570-21lspci23:10:151
84479983,1cyclictest32118-21sshd23:05:421
84479982,1cyclictest131rcu_sched21:25:131
84409982,2cyclictest674-21dbus-daemon19:20:010
84409982,2cyclictest674-21dbus-daemon19:20:000
84409982,2cyclictest29613-21cut20:00:120
84409982,2cyclictest24336-21pmu-power19:45:150
84409982,2cyclictest18336-21gunzip19:30:190
84409982,2cyclictest16018-21cat20:45:140
84409982,2cyclictest15433-21ls19:25:110
84599970,2cyclictest1398-21cat20:10:143
84519976,0cyclictest0-21swapper/220:20:062
84519976,0cyclictest0-21swapper/220:04:572
84519975,1cyclictest33-21ksoftirqd/221:50:152
84519971,1cyclictest131rcu_sched20:19:592
84409972,2cyclictest23717-21ls21:05:120
84519965,0cyclictest0-21swapper/219:18:462
84519963,2cyclictest1002-21snmpd20:29:532
84479964,1cyclictest25-21ksoftirqd/121:00:001
84479964,1cyclictest25-21ksoftirqd/119:40:011
84479964,1cyclictest25-21ksoftirqd/119:40:001
84519953,1cyclictest21876-21cat19:40:122
84519953,1cyclictest1088-21ntpd20:45:162
84519953,1cyclictest1002-21snmpd20:51:062
84519953,1cyclictest1002-21snmpd20:12:022
84519953,1cyclictest1002-21snmpd19:56:182
84519953,1cyclictest1002-21snmpd19:31:182
84519953,1cyclictest1002-21snmpd19:25:222
84519953,1cyclictest1002-21snmpd19:21:312
84519953,1cyclictest1002-21snmpd19:21:302
84519952,2cyclictest1002-21snmpd20:05:462
84519952,2cyclictest1002-21snmpd19:10:352
84479953,1cyclictest699-21gdbus19:15:001
84479953,1cyclictest2749-21sshd20:11:171
84479953,1cyclictest23908-21cat19:45:121
84479953,1cyclictest18009-21cat20:50:161
84479953,1cyclictest1002-21snmpd20:39:291
84479953,1cyclictest1002-21snmpd20:25:051
84479953,1cyclictest1002-21snmpd20:21:131
84479953,1cyclictest1002-21snmpd20:06:311
84479953,1cyclictest1002-21snmpd19:50:401
84479953,1cyclictest1002-21snmpd19:40:031
84479953,1cyclictest1002-21snmpd19:29:001
84479953,1cyclictest1002-21snmpd19:12:591
84479952,2cyclictest9842-21basename20:30:131
84479952,2cyclictest17807-21cat19:30:151
84479952,2cyclictest16726-21grep20:45:191
84479952,2cyclictest1002-21snmpd20:03:531
84479952,2cyclictest1002-21snmpd19:58:551
84479952,2cyclictest0-21swapper/120:41:161
84479951,1cyclictest0-21swapper/119:22:321
84479951,1cyclictest0-21swapper/119:22:311
84479950,0cyclictest0-21swapper/121:06:171
84479950,0cyclictest0-21swapper/120:19:271
84519942,1cyclictest0-21swapper/219:50:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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