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2025-12-21 - 07:17
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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
Characteristics of the 100 highest latencies:
System rack2slot0.osadl.org (updated Sun Dec 21, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1402821150,0sleep20-21swapper/223:16:542
2506621050,1sleep0101ktimersoftd/022:34:340
112322710,0sleep00-21swapper/023:46:280
22372620,0sleep00-21swapper/022:38:030
16012600,1sleep341-21ksoftirqd/323:02:223
77992590,1sleep3674-21dbus-daemon22:54:483
130762570,1sleep213074-21lspci23:08:452
200832560,1sleep120071-21sshd00:30:391
183492540,0sleep30-21swapper/322:20:203
36542500,0sleep2311rcuc/200:34:482
206052500,0sleep00-21swapper/023:20:120
204952500,0sleep30-21swapper/300:30:413
308432490,0sleep20-21swapper/223:10:142
308432490,0sleep20-21swapper/223:10:132
248672490,0sleep20-21swapper/223:04:212
222932490,0sleep10-21swapper/122:03:401
218702480,0sleep20-21swapper/221:18:262
241062460,0sleep00-21swapper/022:48:000
103342460,1sleep010337-21id23:13:560
103342460,1sleep010337-21id23:13:550
1891223418,11sleep30-21swapper/319:06:203
1899423013,6sleep20-21swapper/219:07:192
124782260,0sleep00-21swapper/023:30:180
1887122514,7sleep10-21swapper/119:05:501
1899722110,7sleep00-21swapper/019:07:200
41272200,0sleep00-21swapper/023:59:300
133972200,1sleep313392-21lspci23:30:213
302172190,0sleep00-21swapper/000:36:590
273632180,1sleep10-21swapper/121:46:581
141782180,1sleep114172-21grepconf.sh23:54:541
199452170,1sleep1674-21dbus-daemon23:22:511
96012160,0sleep10-21swapper/123:38:171
308332160,1sleep330837-21proc_pri21:25:213
308332160,1sleep330837-21proc_pri21:25:203
241182160,1sleep2674-21dbus-daemon21:32:562
19315991615,0cyclictest9392-21lspci00:35:151
18922160,0sleep20-21swapper/223:43:012
145322160,0sleep30-21swapper/321:35:173
141292160,0sleep10-21swapper/123:27:461
51702150,0sleep30-21swapper/321:48:043
105072150,1sleep310509-21bash00:08:103
102272150,0sleep00-21swapper/023:38:200
326932140,0sleep10-21swapper/121:44:091
205392140,0sleep0111rcuc/022:20:320
19321991412,1cyclictest30858-21sshd22:35:042
1931599145,3cyclictest25-21ksoftirqd/122:45:011
19315991411,1cyclictest25-21ksoftirqd/123:05:181
174412140,0sleep00-21swapper/000:05:580
172392140,0sleep20-21swapper/222:13:262
122232140,0sleep10-21swapper/122:22:381
119552140,1sleep30-21swapper/322:57:483
40902130,0sleep20-21swapper/200:29:242
270842130,0sleep20-21swapper/222:29:202
230422130,0sleep30-21swapper/322:17:273
1932499130,12cyclictest710-21NetworkManager00:20:593
1932199130,12cyclictest1906-21sshd22:59:432
1931599135,1cyclictest25-21ksoftirqd/100:08:041
19315991311,1cyclictest12757-21grepconf.sh22:19:511
1931599130,12cyclictest18345-21lspci23:11:521
1931599130,12cyclictest18345-21lspci23:11:511
50202120,0sleep10-21swapper/121:30:511
19324991210,1cyclictest660-21avahi-daemon00:19:083
19324991210,1cyclictest30620-21bash22:43:083
19324991210,1cyclictest0-21swapper/300:00:183
1932499120,1cyclictest623-17sedispatch22:47:193
1932499120,1cyclictest31693-21sshd22:37:493
1932499120,11cyclictest642-21systemd-logind23:09:183
1932499120,11cyclictest620-17auditd23:39:483
19321991210,1cyclictest1-21systemd23:56:332
19321991210,1cyclictest0-21swapper/221:14:042
1932199120,1cyclictest16659-21grepconf.sh23:22:342
1931599123,1cyclictest25-21ksoftirqd/123:04:161
1931599123,1cyclictest25-21ksoftirqd/122:54:161
1931599121,2cyclictest25-21ksoftirqd/122:43:341
19315991210,1cyclictest17575-21sshd22:55:311
1931599120,11cyclictest23563-21sshd23:47:321
1931599120,11cyclictest0-21swapper/100:24:311
19311991210,1cyclictest7785-21sshd21:41:260
19311991210,1cyclictest674-21dbus-daemon22:50:070
1931199120,1cyclictest2544-21cp21:58:060
1931199120,11cyclictest20573-21bash22:28:470
1931199120,11cyclictest0-21swapper/022:18:360
9432110,1sleep248-21kauditd00:18:142
30162110,0sleep2311rcuc/223:35:002
1932499119,1cyclictest620-17auditd21:23:283
1932499119,1cyclictest12453-21lspci22:05:583
1932499119,1cyclictest0-21swapper/323:18:283
1932499110,10cyclictest0-21swapper/323:50:383
1932499110,10cyclictest0-21swapper/300:39:393
1932499110,0cyclictest0-21swapper/322:28:383
1932499110,0cyclictest0-21swapper/300:29:483
1932199119,1cyclictest29393-21sshd00:20:332
19321991110,0cyclictest0-21swapper/223:47:142
19321991110,0cyclictest0-21swapper/223:25:332
1932199110,10cyclictest0-21swapper/222:18:232
1931599119,1cyclictest0-21swapper/122:35:021
1931599113,2cyclictest25-21ksoftirqd/123:56:041
1931599113,1cyclictest649-21polkitd23:40:471
1931599113,1cyclictest25-21ksoftirqd/100:13:131
1931599113,1cyclictest25-21ksoftirqd/100:04:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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