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2026-04-11 - 05:49
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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 Sat Apr 11, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
210442730,0sleep00-21swapper/023:41:270
282202660,0sleep30-21swapper/322:40:183
268772570,0sleep126865-21sshd21:58:181
216782570,1sleep321677-21sshd23:33:053
125782560,0sleep20-21swapper/223:29:312
277162550,0sleep30-21swapper/300:04:373
199292530,1sleep1674-21dbus-daemon22:53:371
5292520,0sleep3528-21grep00:05:053
318502520,2sleep1946199cyclictest23:31:071
207512520,1sleep120742-21sshd22:11:391
14302520,1sleep1231rcuc/123:08:521
60932510,1sleep2311rcuc/223:48:382
216612510,0sleep20-21swapper/222:11:442
115562510,0sleep00-21swapper/000:08:510
305622500,0sleep10-21swapper/123:11:201
178572500,0sleep30-21swapper/323:35:293
172312500,0sleep20-21swapper/222:28:112
262722490,0sleep00-21swapper/021:47:080
89802480,0sleep00-21swapper/023:01:020
63432480,0sleep36345-21sshd22:18:513
236682480,1sleep09-21ksoftirqd/022:28:440
118342480,0sleep3391rcuc/323:01:163
268852460,0sleep10-21swapper/122:26:101
150042380,0sleep30-21swapper/322:53:113
91282308,7sleep30-21swapper/319:07:143
91002288,6sleep20-21swapper/219:06:532
904822616,6sleep10-21swapper/119:06:161
89782209,7sleep00-21swapper/019:05:230
276362200,1sleep3674-21dbus-daemon21:33:243
52162190,1sleep15215-21sshd23:40:071
324642170,0sleep20-21swapper/221:14:332
12262170,0sleep20-21swapper/200:05:072
305932160,1sleep230529-21sshd22:35:002
251852160,0sleep20-21swapper/200:21:142
163172160,1sleep316315-21kernelversion22:25:163
162692160,0sleep00-21swapper/000:26:050
90272150,0sleep30-21swapper/323:15:103
9466991412,1cyclictest674-21dbus-daemon23:13:092
51522140,1sleep125-21ksoftirqd/100:36:231
322992140,0sleep0642-21systemd-logind00:21:510
29842140,0sleep2946699cyclictest00:13:452
251842140,0sleep20-21swapper/221:38:452
947299130,12cyclictest642-21systemd-logind20:00:003
947299130,11cyclictest18258-21sshd21:16:403
9461991311,1cyclictest698-21gdbus21:11:281
9461991311,1cyclictest22555-21lspci21:49:371
9461991311,1cyclictest0-21swapper/100:31:081
945599130,1cyclictest25938-21bash22:00:560
945599130,12cyclictest674-21dbus-daemon23:21:070
213862130,0sleep221388-21bash21:46:412
166672130,0sleep10-21swapper/123:52:211
97442120,0sleep30-21swapper/321:48:313
9472991210,1cyclictest75750irq/24-eno1-rx-23:21:303
9472991210,1cyclictest11842-21sshd00:25:403
9472991210,1cyclictest0-21swapper/323:45:303
947299120,1cyclictest26317-21sshd23:13:503
947299120,1cyclictest12852-21sshd21:20:003
947299120,11cyclictest0-21swapper/320:20:203
9466991210,1cyclictest32167-21sshd23:39:392
9466991210,1cyclictest10277-21bash23:20:492
946699120,1cyclictest15463-21sshd22:19:392
946699120,11cyclictest458-21sshd22:09:592
946699120,11cyclictest1-21systemd22:46:592
9461991210,1cyclictest25124-21lspci22:48:281
9455991211,0cyclictest12448-21lspci00:39:550
9455991210,1cyclictest6929-21lspci22:44:070
9455991210,1cyclictest29979-21gdbus23:37:570
42162120,0sleep30-21swapper/321:11:023
291102120,0sleep00-21swapper/000:13:110
110992120,0sleep20-21swapper/200:31:152
947299119,1cyclictest623-17sedispatch00:24:303
947299110,10cyclictest0-21swapper/322:22:593
947299110,10cyclictest0-21swapper/300:11:103
9466991110,0cyclictest0-21swapper/221:57:092
9466991110,0cyclictest0-21swapper/221:54:492
946699110,10cyclictest0-21swapper/222:57:192
946699110,10cyclictest0-21swapper/221:20:282
946699110,0cyclictest0-21swapper/221:05:182
9461991110,0cyclictest0-21swapper/122:22:381
946199110,10cyclictest30780-21ps22:15:181
946199110,10cyclictest0-21swapper/121:22:571
946199110,10cyclictest0-21swapper/121:19:381
945599119,1cyclictest27222-21sshd23:27:570
945599119,1cyclictest0-21swapper/022:56:270
9455991110,0cyclictest2580-21lspci00:02:230
945599110,10cyclictest0-21swapper/023:45:070
945599110,10cyclictest0-21swapper/021:38:460
945599110,10cyclictest0-21swapper/019:31:570
945599110,0cyclictest0-21swapper/023:31:560
55102110,1sleep10-21swapper/122:41:081
947299109,0cyclictest0-21swapper/322:47:403
947299109,0cyclictest0-21swapper/321:40:403
947299109,0cyclictest0-21swapper/320:47:303
947299109,0cyclictest0-21swapper/320:47:293
947299109,0cyclictest0-21swapper/300:16:393
947299108,1cyclictest29715-21lspci22:37:393
946699109,0cyclictest0-21swapper/223:59:292
946699109,0cyclictest0-21swapper/223:00:282
946699109,0cyclictest0-21swapper/222:02:592
946699109,0cyclictest0-21swapper/221:17:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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