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2026-05-02 - 07:29
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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 02, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234982900,0sleep30-21swapper/323:08:513
156862890,0sleep015687-21grep00:06:230
48502770,0sleep20-21swapper/223:26:412
89432760,1sleep22616199cyclictest00:03:052
180012750,1sleep218002-21bash23:22:162
300962640,1sleep1674-21dbus-daemon00:27:071
324812620,0sleep2311rcuc/222:27:572
324812620,0sleep2311rcuc/222:27:562
27982570,0sleep30-21swapper/322:30:553
27982570,0sleep30-21swapper/322:30:543
124062570,1sleep312405-21bash23:02:193
320472540,1sleep132048-21sshd23:37:211
12212540,0sleep30-21swapper/321:32:233
33682530,0sleep30-21swapper/321:20:413
149632510,1sleep214966-21bash00:09:112
98142500,0sleep10-21swapper/100:05:531
49562490,0sleep10-21swapper/121:38:301
320772490,0sleep10-21swapper/123:20:381
309282490,0sleep00-21swapper/022:47:130
279502490,0sleep10-21swapper/123:06:251
160872490,0sleep30-21swapper/321:36:393
125222490,0sleep00-21swapper/023:52:180
113212490,0sleep00-21swapper/000:19:580
113212490,0sleep00-21swapper/000:19:570
110292490,0sleep10-21swapper/100:17:071
110292490,0sleep10-21swapper/100:17:061
304802410,1sleep22616199cyclictest23:17:472
260402350,0sleep30-21swapper/323:47:563
216762350,0sleep20-21swapper/221:59:172
168552340,0sleep0624-13audispd22:26:350
168552340,0sleep0624-13audispd22:26:340
2588723112,7sleep00-21swapper/019:08:010
2425523018,7sleep10-21swapper/119:05:101
259402244,15sleep30-21swapper/319:08:443
242462197,7sleep20-21swapper/219:05:032
287212180,0sleep3391rcuc/322:24:533
92772170,0sleep30-21swapper/321:55:213
40342170,2sleep22616199cyclictest00:19:192
40342170,2sleep22616199cyclictest00:19:192
240262170,0sleep30-21swapper/322:57:453
26161991615,0cyclictest321ktimersoftd/221:46:382
2616199160,1cyclictest131rcu_sched22:06:262
138522160,0sleep10-21swapper/121:58:361
298272150,1sleep229808-21sshd22:47:072
28152150,0sleep00-21swapper/022:14:170
277382150,0sleep3391rcuc/300:24:093
12412150,0sleep10-21swapper/121:54:471
296302140,0sleep10-21swapper/119:15:151
2616199140,13cyclictest0-21swapper/223:14:282
32692130,0sleep00-21swapper/023:29:230
2616599130,12cyclictest14376-21id21:18:093
26161991312,0cyclictest30343-21lspci22:25:002
26161991311,1cyclictest321ktimersoftd/222:10:432
2616199130,1cyclictest0-21swapper/223:41:092
2616199130,12cyclictest674-21dbus-daemon22:00:482
2616199130,12cyclictest570-21sshd00:24:382
2615199130,1cyclictest12057-21sshd21:55:360
212972130,0sleep20-21swapper/223:03:062
270942120,0sleep00-21swapper/022:19:100
26165991211,0cyclictest75750irq/24-eno1-rx-22:17:193
2616599120,1cyclictest642-21systemd-logind00:34:393
2616199121,1cyclictest33-21ksoftirqd/223:08:242
26161991210,1cyclictest33-21ksoftirqd/222:51:282
26161991210,1cyclictest12475-21bash22:40:092
26161991210,1cyclictest12475-21bash22:40:082
26161991210,1cyclictest0-21swapper/223:58:182
2616199120,1cyclictest30520-21perf00:30:012
2616199120,11cyclictest0-21swapper/223:47:182
26155991211,0cyclictest0-21swapper/122:51:541
26155991210,1cyclictest2903-21sshd22:05:531
26155991210,1cyclictest10457-21bash21:47:131
2615599120,1cyclictest18221-21lspci23:30:331
2615599120,11cyclictest24801-21bash00:21:031
2615199120,1cyclictest1-21systemd22:21:560
127602120,0sleep212761-21bash21:39:102
26165991110,0cyclictest0-21swapper/323:37:293
2616599110,10cyclictest2323-21sshd00:38:393
2616599110,10cyclictest0-21swapper/323:43:403
2616599110,10cyclictest0-21swapper/300:19:003
2616599110,10cyclictest0-21swapper/300:18:593
2616199114,1cyclictest33-21ksoftirqd/200:35:562
2616199113,1cyclictest33-21ksoftirqd/221:43:442
2616199112,1cyclictest33-21ksoftirqd/222:36:172
26161991111,0cyclictest321ktimersoftd/219:10:322
26161991110,0cyclictest33-21ksoftirqd/222:32:042
26161991110,0cyclictest33-21ksoftirqd/222:32:042
26155991110,0cyclictest0-21swapper/123:55:341
26155991110,0cyclictest0-21swapper/121:22:041
2615599110,10cyclictest9781-21lspci22:12:031
2615599110,10cyclictest0-21swapper/123:15:241
2615599110,10cyclictest0-21swapper/123:02:141
2615199113,4cyclictest4868-21munin-run00:25:000
26151991110,0cyclictest0-21swapper/023:19:070
26151991110,0cyclictest0-21swapper/022:06:460
2615199110,10cyclictest27859-21sshd22:30:170
2615199110,10cyclictest27859-21sshd22:30:160
2615199110,10cyclictest16893-21bash21:10:270
2615199110,10cyclictest0-21swapper/023:07:360
2615199110,10cyclictest0-21swapper/023:00:360
2615199110,10cyclictest0-21swapper/000:27:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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