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2026-04-10 - 06:28
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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 792 highest latencies:
System rack1slot3.osadl.org (updated Fri Apr 10, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
277009991312,0cyclictest0-21swapper/320:55:123
27700999130,1cyclictest0-21swapper/319:35:123
27700999130,11cyclictest0-21swapper/322:55:103
277009991211,0cyclictest0-21swapper/321:05:003
27700999120,1cyclictest0-21swapper/322:05:123
27700999120,1cyclictest0-21swapper/319:50:103
27700999120,11cyclictest0-21swapper/322:40:013
27700999120,11cyclictest0-21swapper/321:45:123
27700999120,11cyclictest0-21swapper/319:30:193
27700999120,11cyclictest0-21swapper/319:20:123
27700999120,10cyclictest0-21swapper/300:10:013
277009991111,0cyclictest0-21swapper/323:15:193
277009991111,0cyclictest0-21swapper/320:50:193
277009991110,0cyclictest0-21swapper/322:45:153
27700999110,10cyclictest0-21swapper/323:10:183
27700999110,10cyclictest0-21swapper/322:15:193
27700999110,10cyclictest0-21swapper/321:20:133
27700999110,10cyclictest0-21swapper/300:10:023
27700999110,0cyclictest0-21swapper/321:40:123
27700999109,0cyclictest0-21swapper/320:35:123
27700999109,0cyclictest0-21swapper/320:15:123
277009991010,0cyclictest0-21swapper/322:25:123
277009991010,0cyclictest0-21swapper/322:25:013
277009991010,0cyclictest0-21swapper/321:35:123
27700999100,0cyclictest0-21swapper/323:45:113
27700999100,0cyclictest0-21swapper/322:50:173
27700999100,0cyclictest0-21swapper/300:00:003
2770099999,0cyclictest0-21swapper/321:35:003
2770099998,0cyclictest0-21swapper/323:30:163
2770099998,0cyclictest0-21swapper/322:10:153
2770099997,1cyclictest0-21swapper/320:00:123
2770099997,1cyclictest0-21swapper/319:10:103
2770099988,0cyclictest0-21swapper/323:22:393
2770099988,0cyclictest0-21swapper/322:30:133
2770099988,0cyclictest0-21swapper/321:50:143
2770099988,0cyclictest0-21swapper/300:00:183
2770099987,0cyclictest0-21swapper/323:35:143
2770099980,0cyclictest0-21swapper/320:40:113
2770099980,0cyclictest0-21swapper/300:35:023
2770099977,0cyclictest0-21swapper/323:41:283
2770099977,0cyclictest0-21swapper/322:01:433
2770099977,0cyclictest0-21swapper/320:30:123
2770099977,0cyclictest0-21swapper/320:20:123
2770099977,0cyclictest0-21swapper/320:10:103
2770099977,0cyclictest0-21swapper/319:55:123
2770099977,0cyclictest0-21swapper/319:55:123
2770099977,0cyclictest0-21swapper/319:45:133
2770099977,0cyclictest0-21swapper/300:35:143
2770099977,0cyclictest0-21swapper/300:25:123
2770099976,0cyclictest0-21swapper/319:15:153
275890271,4sleep30-21swapper/319:05:163
2770099966,0cyclictest0-21swapper/323:00:183
2770099966,0cyclictest0-21swapper/320:05:103
2770099965,0cyclictest0-21swapper/321:15:133
2770099960,0cyclictest0-21swapper/300:15:153
2770099960,0cyclictest0-21swapper/300:15:153
2770099955,0cyclictest0-21swapper/321:30:003
2770099955,0cyclictest0-21swapper/319:30:013
2770099954,1cyclictest0-21swapper/321:10:143
2770099954,0cyclictest0-21swapper/323:25:053
2770099954,0cyclictest0-21swapper/321:05:163
14039850,2rtkit-daemon766-21snmpd19:07:111
2770099944,0cyclictest0-21swapper/323:51:293
2770099944,0cyclictest0-21swapper/320:45:573
2770099944,0cyclictest0-21swapper/319:40:453
2770099944,0cyclictest0-21swapper/300:21:163
2770099943,0cyclictest0-21swapper/322:40:013
2770099940,3cyclictest345034-21chrt21:55:303
2770099940,3cyclictest308208-21chrt20:25:233
2770099940,3cyclictest0-21swapper/323:05:183
275437241,1sleep00-21swapper/019:05:130
275173241,1sleep20-21swapper/219:05:112
14039840,2rtkit-daemon772-21lldpd21:57:431
14039840,2rtkit-daemon766-21snmpd23:56:002
14039840,2rtkit-daemon766-21snmpd23:50:252
14039840,2rtkit-daemon766-21snmpd22:53:552
14039840,2rtkit-daemon766-21snmpd22:16:391
14039840,2rtkit-daemon372674-21cat23:04:562
14039840,2rtkit-daemon1-21systemd22:43:381
14039840,2rtkit-daemon1-21systemd00:33:562
14039840,2rtkit-daemon1-21systemd00:01:212
14039840,1rtkit-daemon772-21lldpd00:38:362
14039840,1rtkit-daemon328-21plymouthd21:44:511
14039840,1rtkit-daemon1-21systemd00:10:542
335098230,1sleep1335124-21apt-get21:35:111
318658230,0sleep00-21swapper/020:55:120
14039830,2rtkit-daemon772-21lldpd22:35:591
14039830,2rtkit-daemon766-21snmpd23:49:202
14039830,2rtkit-daemon279033-21munin-node20:40:141
14039830,2rtkit-daemon1-21systemd19:17:041
14039830,1rtkit-daemon769-21ntpd20:59:211
14039830,1rtkit-daemon769-21ntpd20:52:481
14039830,1rtkit-daemon769-21ntpd19:57:331
14039830,1rtkit-daemon769-21ntpd19:57:331
14039830,1rtkit-daemon766-21snmpd22:34:151
14039830,1rtkit-daemon766-21snmpd22:25:511
14039830,1rtkit-daemon766-21snmpd21:50:011
14039830,1rtkit-daemon766-21snmpd00:05:202
14039830,1rtkit-daemon691-21gmain00:17:212
14039830,1rtkit-daemon691-21gmain00:17:212
14039830,1rtkit-daemon622-21wpa_supplicant22:24:371
14039830,1rtkit-daemon328-21plymouthd23:35:132
14039830,1rtkit-daemon328-21plymouthd21:10:151
14039830,1rtkit-daemon328-21plymouthd19:40:141
14039830,1rtkit-daemon328-21plymouthd19:25:121
14039830,1rtkit-daemon328-21plymouthd00:24:512
14039830,1rtkit-daemon294631-21cron19:55:011
14039830,1rtkit-daemon279033-21munin-node23:07:082
14039830,1rtkit-daemon279033-21munin-node21:48:211
14039830,1rtkit-daemon279033-21munin-node20:45:061
14039830,1rtkit-daemon1410-21sendmail-mta23:20:522
14039830,1rtkit-daemon1-21systemd23:30:122
14039830,1rtkit-daemon1-21systemd23:15:262
14039830,1rtkit-daemon1-21systemd22:49:292
14039830,1rtkit-daemon1-21systemd22:00:291
14039830,1rtkit-daemon1-21systemd21:32:521
14039830,1rtkit-daemon1-21systemd20:39:571
14039830,1rtkit-daemon1-21systemd20:25:241
14039830,1rtkit-daemon1-21systemd20:07:481
14039830,1rtkit-daemon1-21systemd00:26:092
14039830,0rtkit-daemon328-21plymouthd21:16:331
14039830,0rtkit-daemon0-21swapper/223:11:542
411305220,1sleep1411410-21aten2.4-expect00:35:101
400348220,1sleep1400474-21apt-config00:10:011
389728220,0sleep10-21swapper/123:43:281
386157220,1sleep0386410-21diskstats23:35:130
381033220,0sleep0381050-21apt-get23:25:020
379921220,1sleep0380001-21/usr/sbin/munin23:20:170
360559220,1sleep0360829-21df22:35:140
360405220,0sleep2360431-21apt-get22:35:122
356243220,2sleep00-21swapper/022:25:140
343153220,1sleep00-21swapper/021:52:200
336007220,1sleep0336227-21sed21:35:190
319432220,1sleep2319585-21mailstats20:55:182
312391220,0sleep20-21swapper/220:40:012
299384220,1sleep2299657-21df_inode20:05:112
282429220,0sleep00-21swapper/019:20:180
14039820,1rtkit-daemon772-21lldpd21:00:041
14039820,1rtkit-daemon769-21ntpd19:31:571
14039820,1rtkit-daemon766-21snmpd21:20:181
14039820,1rtkit-daemon622-21wpa_supplicant19:45:091
14039820,1rtkit-daemon1410-21sendmail-mta23:40:172
14039820,1rtkit-daemon1410-21sendmail-mta22:10:121
14039820,1rtkit-daemon1-21systemd20:12:231
14039820,0rtkit-daemon328-21plymouthd23:25:292
14039820,0rtkit-daemon328-21plymouthd22:55:132
14039820,0rtkit-daemon328-21plymouthd20:32:021
14039820,0rtkit-daemon328-21plymouthd20:23:201
14039820,0rtkit-daemon0-21swapper/122:46:031
14039820,0rtkit-daemon0-21swapper/122:06:041
14039820,0rtkit-daemon0-21swapper/121:25:271
14039820,0rtkit-daemon0-21swapper/121:05:071
14039820,0rtkit-daemon0-21swapper/120:15:151
14039820,0rtkit-daemon0-21swapper/120:01:161
14039820,0rtkit-daemon0-21swapper/119:37:361
14039820,0rtkit-daemon0-21swapper/119:20:121
14039820,0rtkit-daemon0-21swapper/119:10:141
412963210,0sleep00-21swapper/000:38:340
409538210,0sleep10-21swapper/100:30:151
408966210,0sleep00-21swapper/000:30:020
408308210,0sleep00-21swapper/000:25:210
406882210,0sleep10-21swapper/100:25:021
405044210,0sleep00-21swapper/000:20:090
402943210,0sleep00-21swapper/000:15:130
402943210,0sleep00-21swapper/000:15:120
402694210,0sleep10-21swapper/100:15:021
402694210,0sleep10-21swapper/100:15:021
402180210,0sleep10-21swapper/100:10:291
400860210,0sleep00-21swapper/000:10:120
399629210,0sleep00-21swapper/000:05:200
397849210,0sleep00-21swapper/000:01:200
396436210,0sleep10-21swapper/100:00:121
395001210,0sleep10-21swapper/123:55:161
394317210,0sleep00-21swapper/023:55:110
393989210,1sleep00-21swapper/023:54:190
393176210,0sleep10-21swapper/123:50:201
390957210,0sleep00-21swapper/023:45:190
390600210,0sleep10-21swapper/123:45:161
388800210,0sleep00-21swapper/023:40:190
387472210,0sleep10-21swapper/123:37:071
385213210,0sleep10-21swapper/123:30:311
384758210,0sleep00-21swapper/023:30:180
382329210,0sleep10-21swapper/123:25:191
380002210,0sleep10-21swapper/123:20:171
378504210,0sleep00-21swapper/023:16:170
377622210,0sleep10-21swapper/123:15:181
375765210,0sleep10-21swapper/123:10:181
375017210,0sleep00-21swapper/023:10:130
373004210,0sleep10-21swapper/123:05:131
372933210,1sleep00-21swapper/023:05:120
372025210,0sleep00-21swapper/023:00:200
369548210,0sleep10-21swapper/122:55:171
369470210,0sleep00-21swapper/022:55:150
368150210,0sleep00-21swapper/022:51:550
366672210,0sleep10-21swapper/122:50:121
364597210,0sleep00-21swapper/022:45:150
363375210,0sleep00-21swapper/022:40:190
363091210,0sleep20-21swapper/222:40:162
359726210,0sleep00-21swapper/022:31:140
358821210,0sleep20-21swapper/222:30:162
357091210,0sleep20-21swapper/222:25:202
354578210,0sleep20-21swapper/222:20:152
352242210,0sleep20-21swapper/222:15:152
352056210,0sleep00-21swapper/022:15:120
351692210,0sleep20-21swapper/222:14:032
349722210,0sleep00-21swapper/022:10:010
349509211,0sleep016-21ksoftirqd/022:08:090
349318210,0sleep20-21swapper/222:06:272
346258210,0sleep00-21swapper/022:00:160
345875210,0sleep20-21swapper/222:00:132
344211210,0sleep20-21swapper/221:55:182
343700210,0sleep00-21swapper/021:55:080
343041210,0sleep20-21swapper/221:51:182
340325210,0sleep00-21swapper/021:45:190
339032210,0sleep20-21swapper/221:45:012
338692210,0sleep20-21swapper/221:42:012
338142210,0sleep00-21swapper/021:40:190
335750210,0sleep20-21swapper/221:35:172
333483210,0sleep20-21swapper/221:30:162
332116210,0sleep00-21swapper/021:26:060
328999210,0sleep20-21swapper/221:20:152
328734210,0sleep00-21swapper/021:20:140
328158210,0sleep20-21swapper/221:16:592
326194210,0sleep00-21swapper/021:15:010
326004210,0sleep20-21swapper/221:13:152
324862210,0sleep00-21swapper/021:10:170
322603210,0sleep00-21swapper/021:05:130
322499210,0sleep20-21swapper/221:05:112
321410210,0sleep20-21swapper/221:00:182
320322210,0sleep00-21swapper/021:00:000
317521210,0sleep20-21swapper/220:50:182
316747210,0sleep0316773-21apt-get20:50:120
315807210,0sleep00-21swapper/020:45:200
314325210,0sleep20-21swapper/220:45:022
314266210,1sleep00-21swapper/020:44:150
311661210,0sleep00-21swapper/020:35:190
310451210,0sleep00-21swapper/020:34:390
308814210,0sleep20-21swapper/220:30:132
308225210,1sleep00-21swapper/020:25:380
305859210,0sleep00-21swapper/020:20:180
304991210,0sleep20-21swapper/220:20:122
302216210,0sleep00-21swapper/020:10:170
301911210,0sleep20-21swapper/220:10:152
300551210,0sleep00-21swapper/020:05:330
297492210,0sleep20-21swapper/220:00:142
297091210,0sleep00-21swapper/020:00:130
294546210,0sleep20-21swapper/219:54:062
292630210,0sleep20-21swapper/219:49:022
292369210,0sleep00-21swapper/019:45:400
290699210,1sleep20-21swapper/219:43:462
289129210,1sleep00-21swapper/019:40:070
288863210,1sleep00-21swapper/019:40:000
287292210,0sleep20-21swapper/219:35:132
286832210,1sleep20-21swapper/219:33:292
283819210,0sleep00-21swapper/019:25:150
281494210,0sleep20-21swapper/219:20:122
280043210,0sleep2280235-21strings19:15:162
279685210,0sleep00-21swapper/019:15:140
278639210,0sleep00-21swapper/019:12:420
404780200,0sleep10-21swapper/100:20:021
370842200,0sleep10-21swapper/123:00:051
353883200,0sleep00-21swapper/022:20:010
333030200,0sleep00-21swapper/021:30:020
330724200,0sleep20-21swapper/221:25:042
312651200,0sleep20-21swapper/220:40:042
306892200,0sleep20-21swapper/220:25:042
303045200,0sleep20-21swapper/220:15:042
302811200,0sleep00-21swapper/020:15:010
295118200,0sleep00-21swapper/019:55:040
295118200,0sleep00-21swapper/019:55:040
295115200,0sleep20-21swapper/219:55:022
295115200,0sleep20-21swapper/219:55:022
292944200,0sleep00-21swapper/019:50:040
285275200,0sleep00-21swapper/019:30:030
283365200,0sleep20-21swapper/219:25:052
277144200,0sleep20-21swapper/219:10:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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