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2025-11-26 - 04:39
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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 Nov 26, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2772921050,2sleep31845099cyclictest23:50:313
2476121050,0sleep00-21swapper/000:24:200
264522940,0sleep326450-21lspci21:18:523
123502940,2sleep21844999cyclictest23:55:312
305942670,0sleep01095-21nfsd23:30:290
170002660,0sleep10-21swapper/100:19:451
103942660,0sleep10-21swapper/122:41:241
266842620,0sleep10-21swapper/122:29:431
40542610,0sleep10-21swapper/100:11:251
224142600,0sleep20-21swapper/223:33:082
177762600,0sleep30-21swapper/321:14:393
231392590,0sleep20-21swapper/221:11:212
241502580,0sleep2311rcuc/221:42:062
62492560,0sleep10-21swapper/123:04:271
30512550,0sleep20-21swapper/200:32:522
294902550,8sleep375550irq/24-eno1-rx-22:16:243
227652550,0sleep3391rcuc/300:00:003
83962540,0sleep30-21swapper/322:51:073
78462520,0sleep30-21swapper/323:21:243
289882520,1sleep328970-21sshd22:12:583
175342510,0sleep30-21swapper/323:25:443
168772510,0sleep30-21swapper/322:55:213
292482500,0sleep30-21swapper/321:29:103
290122500,0sleep3391rcuc/322:29:573
90512490,1sleep29050-21tty22:24:322
320412490,0sleep032033-21lspci21:29:260
302572490,0sleep20-21swapper/200:00:402
199762490,0sleep30-21swapper/323:02:253
142672490,0sleep00-21swapper/021:34:230
116212490,1sleep1241ktimersoftd/121:14:011
278342480,0sleep20-21swapper/222:49:542
18292470,1sleep09-21ksoftirqd/023:03:580
111922450,0sleep30-21swapper/321:34:013
307202400,0sleep20-21swapper/222:53:312
181132308,7sleep30-21swapper/319:07:083
1800722918,7sleep00-21swapper/019:05:480
183182287,7sleep10-21swapper/119:09:411
299772250,1sleep229976-21sshd23:06:522
18445992220,1cyclictest0-21swapper/121:52:031
1828022210,7sleep20-21swapper/219:09:142
175272220,0sleep0646-21dbus-daemon00:34:260
282622180,0sleep328261-21sshd00:32:003
4082170,1sleep0393-21sshd22:37:030
275982170,1sleep0111rcuc/023:57:090
233012170,0sleep00-21swapper/022:29:220
1844999160,15cyclictest19125-21grep22:39:002
11252160,0sleep20-21swapper/221:53:152
87482150,0sleep2321ktimersoftd/221:16:592
57422150,0sleep10-21swapper/122:50:491
282312150,0sleep30-21swapper/322:02:493
1845099150,0cyclictest0-21swapper/323:12:073
1844999152,5cyclictest29445-21grep23:13:362
18449991513,1cyclictest649-21avahi-daemon21:26:302
139212150,0sleep10-21swapper/122:18:091
131032150,0sleep313106-21bash00:37:303
126392150,1sleep341-21ksoftirqd/322:21:243
124612150,1sleep112456-21bash21:57:511
99072140,0sleep10-21swapper/122:10:561
66722140,0sleep10-21swapper/100:36:471
21882140,0sleep00-21swapper/000:36:180
1844999140,1cyclictest17884-21lspci21:55:002
1844999140,10cyclictest20686-21cp21:38:262
1844999140,0cyclictest0-21swapper/221:47:402
1844999140,0cyclictest0-21swapper/200:25:522
1844599140,1cyclictest12671-21bash23:32:041
274562130,0sleep00-21swapper/022:56:250
247832130,0sleep00-21swapper/022:12:310
18450991311,1cyclictest619-17sedispatch22:36:373
1845099130,11cyclictest24974-21sshd23:16:273
1844999134,6cyclictest7990-21sshd00:08:252
18449991310,2cyclictest0-21swapper/223:53:312
1844999130,0cyclictest0-21swapper/200:11:322
1844599130,12cyclictest26612-21sshd23:23:251
1843899130,12cyclictest10101-21sshd00:26:160
135402130,0sleep0111rcuc/022:48:250
292432120,0sleep20-21swapper/219:35:002
292162120,0sleep30-21swapper/321:42:403
289542120,0sleep00-21swapper/023:16:520
18450991210,1cyclictest28372-21id22:06:083
1844999129,2cyclictest0-21swapper/222:18:302
1844999124,5cyclictest2386-21sshd23:37:492
1844999122,5cyclictest592-21grepconf.sh22:13:242
1844999120,8cyclictest11180-21grep23:28:352
1844999120,6cyclictest646-21dbus-daemon23:23:012
1844999120,5cyclictest3295-21bash00:21:502
1844999120,5cyclictest29125-21tty22:02:542
1844999120,5cyclictest25113-21sshd22:29:332
1844999120,11cyclictest4675-21sshd22:34:112
1844999120,11cyclictest0-21swapper/223:02:112
1844999120,11cyclictest0-21swapper/221:32:312
1844999120,11cyclictest0-21swapper/200:35:522
1844999120,0cyclictest0-21swapper/220:55:142
1844599120,1cyclictest0-21swapper/123:07:531
1844599120,11cyclictest7486-21df_inode21:30:141
1844599120,11cyclictest4982-21bash23:54:541
1844599120,11cyclictest0-21swapper/123:59:141
18438991210,1cyclictest670-21packagekitd23:51:260
1843899120,11cyclictest6665-21sshd22:30:540
1843899120,11cyclictest648-21systemd-logind21:35:140
1843899120,11cyclictest0-21swapper/023:13:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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