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2025-12-17 - 17:14
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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 Wed Dec 17, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48232910,0sleep34822-21sshd11:44:583
192582760,0sleep3391rcuc/311:46:113
273552600,1sleep127349-21sshd10:45:341
273552600,1sleep127349-21sshd10:45:331
210032580,0sleep00-21swapper/009:54:530
120172560,1sleep3391rcuc/310:35:213
212252540,0sleep30-21swapper/310:50:513
212252540,0sleep30-21swapper/310:50:513
315072520,0sleep30-21swapper/312:36:573
296402520,0sleep20-21swapper/210:51:382
296402520,0sleep20-21swapper/210:51:382
326642510,0sleep00-21swapper/011:09:310
292862510,0sleep20-21swapper/210:22:192
202492510,0sleep00-21swapper/011:49:160
92642500,1sleep1241ktimersoftd/110:44:001
72422500,0sleep2311rcuc/211:24:472
316022500,0sleep10-21swapper/110:54:501
316022500,0sleep10-21swapper/110:54:501
268392500,0sleep10-21swapper/112:13:081
301772490,0sleep30-21swapper/310:11:223
261432480,0sleep226144-21lspci10:07:062
184122480,0sleep30-21swapper/310:59:283
138632480,0sleep30-21swapper/311:31:093
188352470,0sleep00-21swapper/012:24:080
226522460,0sleep20-21swapper/211:37:482
221122460,0sleep10-21swapper/110:14:211
122082460,0sleep00-21swapper/010:35:220
266312450,1sleep09-21ksoftirqd/009:21:290
238222450,0sleep10-21swapper/111:02:511
138512450,0sleep00-21swapper/010:26:450
132102450,0sleep30-21swapper/309:49:593
141172430,1sleep114115-21lspci12:06:081
1480723219,7sleep30-21swapper/307:05:273
1480723219,7sleep30-21swapper/307:05:273
1596723126,3sleep00-21swapper/007:08:560
1596723126,3sleep00-21swapper/007:08:560
159432309,7sleep10-21swapper/107:08:371
159432309,7sleep10-21swapper/107:08:371
142612219,7sleep20-21swapper/207:05:062
142612219,7sleep20-21swapper/207:05:062
282992200,0sleep00-21swapper/009:59:420
207692200,1sleep020765-21sshd11:58:010
302842170,0sleep00-21swapper/012:33:580
300462170,0sleep10-21swapper/109:55:501
94552160,0sleep30-21swapper/310:16:353
76492160,0sleep30-21swapper/312:20:113
39172160,0sleep33915-21sshd09:23:323
1616699164,3cyclictest723-21gdbus12:15:351
1616699163,3cyclictest674-21dbus-daemon11:17:511
48152150,1sleep14818-21grep09:45:051
259382150,0sleep20-21swapper/207:30:162
215322150,0sleep30-21swapper/311:52:163
189752150,0sleep00-21swapper/012:38:460
163072150,0sleep00-21swapper/011:43:040
1616699154,3cyclictest674-21dbus-daemon10:57:231
1616699154,2cyclictest674-21dbus-daemon10:28:181
1616699153,3cyclictest7375-21df12:20:101
1616699153,3cyclictest674-21dbus-daemon12:33:181
1616699153,3cyclictest674-21dbus-daemon10:30:121
1616699153,3cyclictest29979-21gdbus11:13:111
1616699153,2cyclictest1-21systemd12:02:281
1616699152,3cyclictest9225-21grepconf.sh11:54:061
68032140,0sleep10-21swapper/109:17:331
326302140,0sleep00-21swapper/011:53:160
316952140,0sleep00-21swapper/012:13:350
227302140,0sleep10-21swapper/110:06:401
16172991413,0cyclictest0-21swapper/310:21:083
1616799141,12cyclictest26449-21sshd09:59:282
1616699144,3cyclictest674-21dbus-daemon11:34:031
1616699144,3cyclictest674-21dbus-daemon10:18:141
1616699144,3cyclictest29979-21gdbus11:56:501
1616699144,3cyclictest22138-21bash12:36:051
1616699143,3cyclictest674-21dbus-daemon11:29:051
1616699143,3cyclictest674-21dbus-daemon10:35:471
1616699143,3cyclictest1-21systemd11:23:101
1616699143,3cyclictest0-21swapper/111:44:081
1616699143,2cyclictest12612-21id11:45:331
1616699142,5cyclictest674-21dbus-daemon10:24:481
1616699142,5cyclictest4151-21bash09:45:001
1616699142,3cyclictest23218-21grep09:35:381
315832130,0sleep2311rcuc/211:15:132
289082130,0sleep3391rcuc/309:51:483
232442130,0sleep00-21swapper/009:39:350
211182130,0sleep20-21swapper/211:55:112
1616799134,2cyclictest33-21ksoftirqd/210:25:162
16167991312,0cyclictest11145-21lspci11:30:532
16167991311,1cyclictest33-21ksoftirqd/211:26:292
1616799130,12cyclictest0-21swapper/211:07:382
1616699134,3cyclictest674-21dbus-daemon11:07:301
1616699134,2cyclictest649-21polkitd09:14:021
1616699133,3cyclictest649-21polkitd11:35:451
1616699133,3cyclictest649-21polkitd09:33:271
1616699133,2cyclictest9194-21sshd12:26:071
1616699133,2cyclictest15171-21bash09:50:111
1616699132,4cyclictest1-21systemd09:28:581
16162991311,1cyclictest21105-21lspci11:11:190
1616299130,1cyclictest370-21jbd2/sda1-810:56:390
16172991210,1cyclictest674-21dbus-daemon09:42:283
1617299120,11cyclictest28997-21bash09:59:483
1616799124,3cyclictest33-21ksoftirqd/212:24:462
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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