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2026-05-09 - 04:25
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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 May 09, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
183642780,0sleep0111rcuc/022:04:510
250822620,0sleep125079-21bash21:51:261
149462620,0sleep00-21swapper/000:01:390
319282580,0sleep10-21swapper/122:17:101
92672540,0sleep29261-21lspci00:26:172
160202540,1sleep316012-21lspci23:36:423
108152540,0sleep010813-21sshd23:16:410
108152540,0sleep010813-21sshd23:16:410
99832510,1sleep3674-21dbus-daemon23:27:493
7532500,0sleep0755-21sshd00:36:390
54312500,0sleep10-21swapper/122:23:141
202592500,0sleep30-21swapper/322:16:083
157052500,0sleep20-21swapper/223:17:082
157052500,0sleep20-21swapper/223:17:072
8102490,0sleep00-21swapper/022:17:180
49022490,0sleep00-21swapper/000:09:120
290482490,0sleep30-21swapper/320:35:163
247072490,0sleep10-21swapper/122:08:081
197582480,1sleep219757-21sshd22:38:262
220792460,0sleep00-21swapper/000:19:060
199372460,0sleep00-21swapper/023:28:430
107692440,0sleep20-21swapper/222:09:462
177132390,0sleep017712-21bash22:07:310
28542370,1sleep02852-21grep21:24:460
96122360,1sleep29608-21bash00:37:252
249472287,7sleep10-21swapper/119:09:101
249112276,7sleep00-21swapper/019:08:410
2479022310,9sleep20-21swapper/219:07:112
181882230,2sleep12512599cyclictest23:39:461
2479822210,7sleep30-21swapper/319:07:163
320972180,2sleep22513299cyclictest22:33:532
202322180,1sleep3674-21dbus-daemon23:20:173
52482170,0sleep30-21swapper/300:28:463
120702170,0sleep0642-21systemd-logind21:33:400
120702170,0sleep0642-21systemd-logind21:33:390
109692170,1sleep010966-21sshd23:36:150
319172160,0sleep0111rcuc/022:28:180
264872160,0sleep233-21ksoftirqd/221:31:332
264872160,0sleep233-21ksoftirqd/221:31:332
2513699160,15cyclictest0-21swapper/322:03:403
268762150,0sleep2311rcuc/222:52:562
25132991514,0cyclictest4252-21lspci22:23:082
211972150,0sleep20-21swapper/223:51:032
25136991412,1cyclictest0-21swapper/322:27:003
25132991413,0cyclictest29434-21lspci23:09:572
2512599140,13cyclictest0-21swapper/123:48:561
2511999140,13cyclictest14800-21bash23:05:490
2511999140,13cyclictest10831-21rm23:30:380
227172140,0sleep3401ktimersoftd/321:11:193
289352130,0sleep10-21swapper/121:23:591
27062130,0sleep30-21swapper/322:45:153
259192130,0sleep10-21swapper/121:27:311
25136991311,1cyclictest1051-21lspci23:40:593
2513699130,1cyclictest27519-21df_inode19:15:003
25132991312,0cyclictest13107-21lspci21:50:222
25132991311,1cyclictest23344-21lspci23:00:582
25132991311,1cyclictest0-21swapper/223:40:392
2512599130,1cyclictest0-21swapper/100:02:171
25119991310,2cyclictest710-21NetworkManager00:26:280
2513699120,1cyclictest30485-21hddtemp_smartct21:20:103
2513699120,1cyclictest26746-21bash00:02:413
2513699120,11cyclictest28867-21sshd22:08:303
25132991210,1cyclictest30359-21id21:24:092
25132991210,1cyclictest16320-21lspci22:43:422
25132991210,1cyclictest0-21swapper/200:12:492
25125991210,1cyclictest674-21dbus-daemon23:44:361
2512599120,1cyclictest9191-21grepconf.sh00:17:581
2512599120,11cyclictest1979-21systemd-cgroups23:10:161
2512599120,11cyclictest14609-21lspci00:35:071
25119991210,1cyclictest8313-21lspci22:51:180
25119991210,1cyclictest24634-21lspci23:20:380
2511999120,11cyclictest0-21swapper/023:49:380
2513699119,1cyclictest5698-21systemd-cgroups00:34:213
2513699110,1cyclictest6595-21bash23:10:403
2513699110,10cyclictest0-21swapper/321:30:503
2513699110,10cyclictest0-21swapper/321:30:503
2513699110,0cyclictest0-21swapper/322:37:113
2513699110,0cyclictest0-21swapper/321:52:203
2512599119,1cyclictest674-21dbus-daemon23:08:161
2512599119,1cyclictest3195-21rm22:25:471
2512599119,1cyclictest26652-21sshd23:59:561
25125991110,0cyclictest0-21swapper/121:47:261
2512599110,1cyclictest27347-21lspci21:15:471
2512599110,1cyclictest23055-21sshd21:42:561
2512599110,10cyclictest0-21swapper/100:23:271
2512599110,10cyclictest0-21swapper/100:10:061
2511999119,1cyclictest23374-21bash23:03:480
25119991110,0cyclictest0-21swapper/021:35:580
25119991110,0cyclictest0-21swapper/000:20:580
25119991110,0cyclictest0-21swapper/000:13:080
2511999110,10cyclictest21988-21lspci23:53:590
2511999110,10cyclictest0-21swapper/022:39:580
2511999110,0cyclictest0-21swapper/021:45:480
264042100,1sleep326399-21lspci23:57:053
2513699109,0cyclictest0-21swapper/323:08:403
2513699109,0cyclictest0-21swapper/322:30:403
2513699109,0cyclictest0-21swapper/321:17:003
2513699108,1cyclictest20142-21bash23:17:313
2513699108,1cyclictest20142-21bash23:17:313
2513699108,1cyclictest0-21swapper/323:34:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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