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2025-12-23 - 10:40
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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 100 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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