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2026-04-09 - 06:23
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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 376 highest latencies:
System rack1slot3.osadl.org (updated Thu Apr 09, 2026 00:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25076899140,12cyclictest0-21swapper/322:20:103
25076899140,11cyclictest0-21swapper/320:25:133
250768991211,0cyclictest0-21swapper/322:15:123
25076899120,8cyclictest0-21swapper/300:20:113
25076899120,11cyclictest0-21swapper/323:19:583
25076899120,11cyclictest0-21swapper/322:50:123
25076899119,1cyclictest0-21swapper/323:50:123
25076899119,1cyclictest0-21swapper/320:20:113
250768991110,0cyclictest0-21swapper/323:05:123
25076899110,1cyclictest0-21swapper/321:10:013
25076899110,11cyclictest0-21swapper/323:20:023
25076899110,10cyclictest0-21swapper/323:10:173
25076899110,10cyclictest0-21swapper/322:10:163
25076899110,10cyclictest0-21swapper/320:09:293
25076899110,10cyclictest0-21swapper/319:17:003
25076899110,0cyclictest0-21swapper/321:55:183
25076899110,0cyclictest0-21swapper/321:10:183
25076899109,0cyclictest0-21swapper/322:40:193
25076899109,0cyclictest0-21swapper/321:45:133
250768991010,0cyclictest0-21swapper/323:25:163
250768991010,0cyclictest0-21swapper/322:00:183
250768991010,0cyclictest0-21swapper/320:50:103
250768991010,0cyclictest0-21swapper/320:40:183
250768991010,0cyclictest0-21swapper/300:00:173
25076899100,9cyclictest0-21swapper/319:30:163
25076899100,0cyclictest0-21swapper/323:40:013
25076899100,0cyclictest0-21swapper/322:35:183
2507689999,0cyclictest0-21swapper/323:59:593
2507689999,0cyclictest0-21swapper/323:30:163
2507689999,0cyclictest0-21swapper/321:35:163
2507689999,0cyclictest0-21swapper/321:15:163
2507689999,0cyclictest0-21swapper/319:55:113
2507689999,0cyclictest0-21swapper/300:05:123
2507689998,0cyclictest0-21swapper/321:25:163
2507689998,0cyclictest0-21swapper/320:15:113
2507689990,8cyclictest0-21swapper/300:25:143
2507689990,0cyclictest0-21swapper/320:50:013
249435291,5sleep30-21swapper/319:05:153
2507689988,0cyclictest0-21swapper/323:45:133
2507689988,0cyclictest0-21swapper/323:40:303
2507689988,0cyclictest0-21swapper/322:50:023
2507689988,0cyclictest0-21swapper/320:55:193
2507689980,7cyclictest0-21swapper/319:20:183
2507689980,7cyclictest0-21swapper/300:15:183
303868270,0sleep1304129-21diskstats21:25:141
2507689977,0cyclictest0-21swapper/323:04:493
2507689977,0cyclictest0-21swapper/322:31:183
2507689977,0cyclictest0-21swapper/321:52:323
2507689977,0cyclictest0-21swapper/321:04:283
2507689976,0cyclictest0-21swapper/321:30:103
2507689970,6cyclictest0-21swapper/300:35:123
2507689970,0cyclictest0-21swapper/319:45:163
2507689970,0cyclictest0-21swapper/319:40:163
2507689966,0cyclictest0-21swapper/319:15:003
250332260,1sleep20-21swapper/219:06:292
2507689955,0cyclictest0-21swapper/322:58:333
2507689955,0cyclictest0-21swapper/322:05:113
2507689951,2cyclictest0-21swapper/320:35:113
2507689951,2cyclictest0-21swapper/300:10:103
2507689950,0cyclictest0-21swapper/300:30:183
14039850,2rtkit-daemon328-21plymouthd19:05:141
363039240,2sleep2363112-21cat23:45:152
349824240,2sleep2349870-21ls23:15:022
2507689944,0cyclictest0-21swapper/321:20:133
2507689944,0cyclictest0-21swapper/320:10:163
2507689944,0cyclictest0-21swapper/319:50:013
2507689942,2cyclictest281842-21turbostat20:34:563
2507689940,3cyclictest329998-21chrt22:25:233
2507689940,3cyclictest309941-21chrt21:40:113
2507689940,2cyclictest0-21swapper/320:00:113
2507689940,2cyclictest0-21swapper/319:35:123
250185241,1sleep00-21swapper/019:05:190
14039840,2rtkit-daemon766-21snmpd22:58:231
14039840,2rtkit-daemon621-21systemd-logind22:53:581
14039840,2rtkit-daemon356836-21if_eno123:30:141
14039840,2rtkit-daemon269128-21awk19:55:141
14039840,2rtkit-daemon252834-21munin-node21:45:231
14039840,2rtkit-daemon2117-21packagekitd00:10:191
14039840,1rtkit-daemon691-21gmain21:41:141
14039840,1rtkit-daemon1-21systemd00:28:441
347994230,1sleep0348020-21apt-get23:10:120
337851230,1sleep2338064-21awk22:45:242
333476230,2sleep0333629-21ntp_states22:35:170
2507689930,2cyclictest0-21swapper/319:25:123
14039830,2rtkit-daemon766-21snmpd00:02:481
14039830,2rtkit-daemon252834-21munin-node23:35:111
14039830,2rtkit-daemon1-21systemd22:00:131
14039830,1rtkit-daemon834-21udisksd20:20:221
14039830,1rtkit-daemon766-21snmpd23:45:111
14039830,1rtkit-daemon766-21snmpd22:36:061
14039830,1rtkit-daemon766-21snmpd22:20:521
14039830,1rtkit-daemon766-21snmpd22:09:061
14039830,1rtkit-daemon766-21snmpd21:30:251
14039830,1rtkit-daemon622-21wpa_supplicant22:14:191
14039830,1rtkit-daemon328-21plymouthd23:26:161
14039830,1rtkit-daemon328-21plymouthd23:16:321
14039830,1rtkit-daemon328-21plymouthd22:48:061
14039830,1rtkit-daemon328-21plymouthd22:25:121
14039830,1rtkit-daemon328-21plymouthd21:50:411
14039830,1rtkit-daemon328-21plymouthd21:12:591
14039830,1rtkit-daemon328-21plymouthd19:35:041
14039830,1rtkit-daemon328-21plymouthd19:20:151
14039830,1rtkit-daemon328-21plymouthd00:30:421
14039830,1rtkit-daemon328-21plymouthd00:08:131
14039830,1rtkit-daemon292612-21strings20:55:171
14039830,1rtkit-daemon254586-21users19:15:191
14039830,1rtkit-daemon252834-21munin-node20:52:311
14039830,1rtkit-daemon2117-21packagekitd00:36:301
14039830,1rtkit-daemon1410-21sendmail-mta22:42:161
14039830,1rtkit-daemon1410-21sendmail-mta21:15:211
14039830,1rtkit-daemon1410-21sendmail-mta20:35:271
14039830,1rtkit-daemon1-21systemd23:43:031
14039830,1rtkit-daemon1-21systemd23:10:421
14039830,1rtkit-daemon1-21systemd23:02:401
14039830,1rtkit-daemon1-21systemd22:17:091
14039830,1rtkit-daemon1-21systemd21:35:091
14039830,1rtkit-daemon1-21systemd21:05:311
14039830,1rtkit-daemon1-21systemd00:22:351
14039830,0rtkit-daemon0-21swapper/121:59:391
373055220,1sleep0328-21plymouthd00:10:100
372456220,0sleep2441rcuc/200:06:572
370722220,1sleep2370738-21munin-plugin-st00:05:012
366317220,0sleep00-21swapper/023:53:100
364310220,0sleep00-21swapper/023:48:490
355846220,1sleep0355850-21ssh23:27:490
333230220,1sleep2333307-21grep22:35:142
331273220,1sleep00-21swapper/022:30:170
329270220,1sleep20-21swapper/222:25:182
328047220,0sleep20-21swapper/222:21:342
321957220,0sleep00-21swapper/022:08:120
309912220,1sleep2309938-21apt-get21:40:122
305924220,1sleep00-21swapper/021:30:120
303728220,1sleep0303866-21basename21:25:130
297663220,0sleep00-21swapper/021:10:120
296364220,1sleep00-21swapper/021:05:150
288547220,1sleep0288699-21memory20:45:140
280947220,1sleep2281119-21python320:25:182
272482220,1sleep0272508-21apt-get20:05:120
263942220,1sleep0264192-21users19:40:190
256278220,1sleep2256523-21users19:20:192
251347220,1sleep1250923-21/usr/sbin/munin19:10:141
250922220,1sleep2250948-21apt-get19:10:112
14039820,1rtkit-daemon769-21ntpd19:25:081
14039820,1rtkit-daemon691-21gmain23:55:051
14039820,1rtkit-daemon691-21gmain20:10:081
14039820,1rtkit-daemon592-21rpcbind19:51:181
14039820,1rtkit-daemon1-21systemd20:25:521
14039820,1rtkit-daemon1-21systemd20:00:101
14039820,1rtkit-daemon1-21systemd19:45:071
14039820,1rtkit-daemon1-21systemd00:15:311
14039820,0rtkit-daemon328-21plymouthd23:50:101
14039820,0rtkit-daemon328-21plymouthd20:45:121
14039820,0rtkit-daemon328-21plymouthd20:40:301
14039820,0rtkit-daemon0-21swapper/123:22:351
14039820,0rtkit-daemon0-21swapper/123:05:011
14039820,0rtkit-daemon0-21swapper/122:30:251
14039820,0rtkit-daemon0-21swapper/121:20:511
14039820,0rtkit-daemon0-21swapper/121:00:041
14039820,0rtkit-daemon0-21swapper/120:30:191
14039820,0rtkit-daemon0-21swapper/120:15:141
14039820,0rtkit-daemon0-21swapper/120:05:191
14039820,0rtkit-daemon0-21swapper/119:40:051
14039820,0rtkit-daemon0-21swapper/119:30:171
383989210,0sleep20-21swapper/200:35:142
383752210,0sleep00-21swapper/000:35:130
382112210,0sleep00-21swapper/000:30:170
380986210,0sleep00-21swapper/000:26:110
380212210,0sleep20-21swapper/200:25:172
377510210,0sleep00-21swapper/000:20:120
377235210,0sleep20-21swapper/200:20:022
375914210,0sleep00-21swapper/000:15:160
374885210,0sleep20-21swapper/200:15:022
373208210,1sleep20-21swapper/200:10:122
371398210,0sleep00-21swapper/000:05:150
369325210,0sleep00-21swapper/000:00:140
368155210,0sleep00-21swapper/023:56:020
366776210,0sleep20-21swapper/223:55:112
366184210,0sleep20-21swapper/223:52:002
362306210,0sleep00-21swapper/023:44:300
362135210,0sleep20-21swapper/223:43:002
358871210,0sleep20-21swapper/223:35:152
358182210,0sleep00-21swapper/023:35:010
357831210,0sleep20-21swapper/223:31:542
354651210,0sleep20-21swapper/223:25:142
353768210,1sleep00-21swapper/023:22:470
352243210,0sleep20-21swapper/223:20:142
351738210,0sleep20-21swapper/223:18:292
350787210,0sleep00-21swapper/023:15:160
346096210,0sleep00-21swapper/023:05:140
345714210,0sleep20-21swapper/223:05:122
344190210,0sleep00-21swapper/023:00:190
343839210,0sleep20-21swapper/223:00:172
341481210,0sleep20-21swapper/222:55:212
341456210,0sleep00-21swapper/022:55:060
339481210,0sleep00-21swapper/022:50:130
336788210,0sleep00-21swapper/022:45:020
336127210,0sleep20-21swapper/222:40:202
335194210,0sleep00-21swapper/022:40:130
331563210,0sleep20-21swapper/222:30:192
329561210,0sleep00-21swapper/022:25:200
327315210,0sleep00-21swapper/022:20:160
325669210,0sleep00-21swapper/022:15:200
324682210,0sleep20-21swapper/222:15:142
324006210,0sleep20-21swapper/222:12:532
322853210,0sleep00-21swapper/022:10:150
321127210,0sleep20-21swapper/222:05:172
318691210,0sleep00-21swapper/022:00:140
318285210,0sleep20-21swapper/222:00:132
316418210,0sleep00-21swapper/021:55:150
316154210,0sleep20-21swapper/221:55:122
314260210,0sleep00-21swapper/021:50:140
314071210,0sleep20-21swapper/221:50:122
313351210,0sleep20-21swapper/221:45:512
312053210,1sleep00-21swapper/021:45:130
309636210,0sleep00-21swapper/021:40:020
307796210,0sleep20-21swapper/221:35:082
307557210,0sleep00-21swapper/021:35:010
305758210,0sleep20-21swapper/221:30:102
304670210,0sleep20-21swapper/221:25:192
302998210,0sleep20-21swapper/221:20:232
301038210,0sleep20-21swapper/221:16:012
299642210,1sleep00-21swapper/021:15:040
297930210,0sleep20-21swapper/221:10:142
295502210,0sleep20-21swapper/221:05:012
293910210,1sleep2294096-21ls21:00:132
293240210,1sleep00-21swapper/020:55:460
290973210,0sleep00-21swapper/020:50:180
290739210,0sleep20-21swapper/220:50:162
285339210,1sleep00-21swapper/020:36:100
285263210,0sleep20-21swapper/220:35:192
283686210,0sleep00-21swapper/020:34:300
282063210,0sleep20-21swapper/220:30:122
280153210,0sleep00-21swapper/020:25:120
278982210,0sleep00-21swapper/020:20:170
278679210,0sleep20-21swapper/220:20:152
277770210,0sleep00-21swapper/020:17:280
276731210,0sleep20-21swapper/220:15:152
274394210,0sleep00-21swapper/020:10:110
272616210,0sleep20-21swapper/220:05:142
271421210,0sleep20-21swapper/220:00:182
269118210,0sleep00-21swapper/019:55:150
268760210,0sleep20-21swapper/219:55:122
266728210,0sleep00-21swapper/019:50:110
265787210,0sleep00-21swapper/019:45:180
261126210,0sleep00-21swapper/019:35:130
260972210,0sleep20-21swapper/219:35:122
260678210,0sleep20-21swapper/219:34:272
259495210,0sleep00-21swapper/019:30:130
254967210,0sleep00-21swapper/019:20:000
252589210,0sleep00-21swapper/019:15:010
251057210,0sleep00-21swapper/019:10:130
381652200,0sleep20-21swapper/200:30:032
356337200,0sleep00-21swapper/023:30:040
339370200,0sleep20-21swapper/222:50:032
301682200,0sleep00-21swapper/021:20:040
293828200,0sleep00-21swapper/021:00:030
291897200,0sleep20-21swapper/220:55:052
288075200,0sleep20-21swapper/220:45:042
286165200,0sleep20-21swapper/220:40:042
286162200,0sleep00-21swapper/020:40:010
274380200,0sleep20-21swapper/220:10:012
270561200,0sleep00-21swapper/020:00:030
266481200,0sleep20-21swapper/219:50:012
264570200,0sleep20-21swapper/219:45:002
262896200,0sleep20-21swapper/219:40:042
257137200,0sleep20-21swapper/219:25:042
257033200,0sleep00-21swapper/019:25:020
253287200,0sleep20-21swapper/219:15:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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