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2026-07-22 - 03:06
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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 rackaslot0.osadl.org (updated Wed Jul 22, 2026 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1221521020,2sleep11734-21runrttasks19:08:291
82062850,1sleep31734-21runrttasks23:36:073
90162600,0sleep30-21swapper/322:50:033
253172600,0sleep20-21swapper/222:28:242
76672590,0sleep30-21swapper/322:29:443
251672590,0sleep20-21swapper/223:55:092
168702590,0sleep20-21swapper/222:50:392
51632570,0sleep00-21swapper/021:14:250
115672570,0sleep00-21swapper/023:24:590
269022560,1sleep226891-21sshd23:52:202
195242560,0sleep30-21swapper/322:16:153
152682560,0sleep30-21swapper/321:52:463
281332550,0sleep30-21swapper/323:03:173
164282550,0sleep216424-21sshd23:16:402
316492540,0sleep30-21swapper/322:43:223
295202540,0sleep30-21swapper/323:12:033
274262540,6sleep121-21ksoftirqd/122:19:571
21192540,0sleep20-21swapper/221:42:562
1225225425,25sleep00-21swapper/019:08:410
44972530,1sleep228-21rcuc/221:54:462
293412530,2sleep01277099cyclictest00:38:590
219602530,0sleep10-21swapper/100:23:481
11272530,0sleep00-21swapper/019:42:360
111482530,1sleep111144-21sshd22:30:021
51632510,0sleep20-21swapper/221:49:012
235482510,1sleep323531-21sshd00:29:483
65832500,0sleep30-21swapper/322:35:213
306012500,1sleep1489-21jbd2/dm-0-800:18:481
25262500,0sleep20-21swapper/221:34:232
25262500,0sleep20-21swapper/221:34:232
81982490,0sleep00-21swapper/021:31:560
81982490,0sleep00-21swapper/021:31:560
237452490,0sleep00-21swapper/000:29:490
1168424927,18sleep20-21swapper/219:05:512
1167424926,19sleep30-21swapper/319:05:473
8082480,0sleep30-21swapper/322:31:573
305952480,0sleep11734-21runrttasks21:57:011
52572470,0sleep00-21swapper/000:10:380
281092470,0sleep128110-21bash23:32:091
156012460,2sleep11277199cyclictest00:02:581
145122450,0sleep10-21swapper/121:49:521
221702440,0sleep30-21swapper/322:05:013
1277099327,23cyclictest0-21swapper/019:28:040
12770992419,3cyclictest7349-21kworker/0:000:31:410
1277099236,9cyclictest29320-21kworker/0:020:51:410
1277099233,10cyclictest0-21swapper/019:30:440
1277099226,12cyclictest17976-21kworker/0:222:14:390
1277099223,15cyclictest29320-21kworker/0:020:19:370
182322210,1sleep018228-21sshd22:16:070
1277099217,4cyclictest7511-21kworker/0:200:07:350
1277099214,6cyclictest29320-21kworker/0:021:09:550
12770992119,1cyclictest11753-21sshd22:58:580
12771992018,1cyclictest16967-21sshd21:35:321
1277099206,11cyclictest25972-21kworker/0:222:47:320
1277099204,13cyclictest25580-21kworker/0:021:52:400
1277099203,16cyclictest0-21swapper/020:08:310
12770992015,3cyclictest3447-21sshd00:01:510
12770992011,4cyclictest0-21swapper/020:33:210
1277099201,14cyclictest0-21swapper/019:12:310
1277099195,13cyclictest12033-21kworker/0:023:32:230
1277099192,14cyclictest7511-21kworker/0:223:08:040
12770991917,1cyclictest12015-21sshd00:20:040
1277099190,14cyclictest0-21swapper/020:14:030
319202180,1sleep331922-21sshd22:11:343
252472180,0sleep10-21swapper/123:29:041
12773991817,1cyclictest7882-21sshd23:07:143
1277099186,11cyclictest29320-21kworker/0:019:52:230
1277099183,5cyclictest29320-21kworker/0:020:42:030
1277099183,2cyclictest7511-21kworker/0:223:48:190
1277099183,2cyclictest11067-21kworker/0:021:21:510
1277099182,5cyclictest29320-21kworker/0:019:38:580
12770991816,1cyclictest19793-21sshd22:50:550
300232170,1sleep319875-21diskmemload21:16:333
175892170,1sleep10-21swapper/123:02:201
12771991714,2cyclictest4647-21basename19:50:011
12771991714,1cyclictest19875-21diskmemload23:15:481
1277099176,6cyclictest8360-21kworker/0:123:37:370
1277099176,3cyclictest17976-21kworker/0:222:09:370
1277099176,2cyclictest29320-21kworker/0:020:35:310
1277099172,3cyclictest29320-21kworker/0:020:29:530
1277099172,2cyclictest4653-21kworker/0:022:27:390
1277099172,14cyclictest7511-21kworker/0:223:19:100
1277099171,2cyclictest7053-21kworker/0:221:27:310
1277099170,15cyclictest0-21swapper/020:02:090
1277099170,11cyclictest0-21swapper/019:45:530
173322160,1sleep319875-21diskmemload21:38:323
12772991615,1cyclictest0-21swapper/200:17:172
12772991614,1cyclictest0-21swapper/223:26:262
12771991614,1cyclictest26665-21sshd23:43:391
1277099167,5cyclictest29320-21kworker/0:021:00:410
1277099164,8cyclictest25972-21kworker/0:222:42:480
1277099164,2cyclictest29320-21kworker/0:020:24:510
1277099163,2cyclictest4730-21kworker/0:023:40:210
1277099162,3cyclictest29320-21kworker/0:019:57:230
12770991610,4cyclictest0-21swapper/023:10:100
1277099160,6cyclictest0-21swapper/021:42:170
50142150,0sleep1489-21jbd2/dm-0-823:09:581
4162150,1sleep11734-21runrttasks21:19:471
241572150,1sleep30-21swapper/321:59:233
1277399155,9cyclictest20451-21sshd21:27:173
1277399150,14cyclictest0-21swapper/323:28:393
1277399150,12cyclictest25248-21sshd23:20:203
12772991511,1cyclictest0-21swapper/200:36:572
1277199154,10cyclictest18329-21sshd00:09:011
12771991513,1cyclictest21-21ksoftirqd/123:39:021
1277199150,14cyclictest16671-21bash22:53:361
1277099159,5cyclictest314852sleep022:37:350
1277099159,3cyclictest0-21swapper/021:16:460
1277099158,4cyclictest14230-21sshd21:35:210
1277099156,7cyclictest29320-21kworker/0:020:46:010
1277099156,5cyclictest4653-21kworker/0:022:30:330
1277099156,5cyclictest29320-21kworker/0:019:20:060
1277099151,2cyclictest21744-21kworker/0:121:58:200
89992140,0sleep31734-21runrttasks23:50:413
315972140,0sleep20-21swapper/200:07:152
19762140,0sleep10-21swapper/100:36:271
174332140,1sleep119-21rcuc/122:04:341
1277399148,5cyclictest31598-21sshd00:33:223
1277399144,9cyclictest19456-21sshd00:09:073
1277399140,2cyclictest0-21swapper/322:08:183
1277399140,13cyclictest2321-21sshd23:47:133
1277399140,13cyclictest0-21swapper/323:57:453
1277399140,13cyclictest0-21swapper/323:15:383
1277399140,13cyclictest0-21swapper/322:21:393
1277299149,4cyclictest0-21swapper/223:14:542
1277299148,3cyclictest0-21swapper/223:03:392
1277299142,11cyclictest32698-21sshd22:14:372
12772991411,1cyclictest19875-21diskmemload00:34:332
1277299140,13cyclictest8955-21sshd22:35:312
1277299140,13cyclictest5525-21sshd21:57:412
1277299140,13cyclictest0-21swapper/222:24:342
1277199149,4cyclictest30704-21sshd23:55:321
1277199144,9cyclictest4014-21sshd22:40:501
1277199144,9cyclictest21-21ksoftirqd/121:11:381
12771991413,1cyclictest21-21ksoftirqd/123:13:461
12771991413,1cyclictest21-21ksoftirqd/122:35:261
12771991413,1cyclictest21-21ksoftirqd/100:31:391
1277199140,13cyclictest23366-21sendmail_mailst21:30:221
1277199140,13cyclictest23366-21sendmail_mailst21:30:221
1277199140,13cyclictest0-21swapper/100:10:221
1277099145,7cyclictest29320-21kworker/0:020:57:450
1277099143,7cyclictest7511-21kworker/0:223:29:150
1277099142,4cyclictest29320-21kworker/0:019:18:270
12770991410,1cyclictest0-21swapper/023:00:110
1277099140,7cyclictest0-21swapper/021:45:410
1277099140,12cyclictest0-21swapper/023:55:270
1277099140,11cyclictest7241-21sshd23:50:320
1277099140,11cyclictest0-21swapper/000:16:520
321722130,0sleep20-21swapper/222:00:072
302562130,0sleep00-21swapper/022:20:120
216232130,0sleep11734-21runrttasks20:15:421
1277399139,4cyclictest0-21swapper/300:01:473
1277399139,3cyclictest0-21swapper/321:40:583
1277399139,1cyclictest0-21swapper/321:12:453
1277399138,4cyclictest4964-21sshd00:22:163
1277399137,3cyclictest0-21swapper/300:15:143
1277399131,11cyclictest31908-21sshd22:57:503
12773991311,1cyclictest18218-21sshd21:30:013
12773991311,1cyclictest18218-21sshd21:30:013
1277399130,12cyclictest19875-21diskmemload23:40:563
1277399130,12cyclictest1516-21sshd21:48:413
1277399130,12cyclictest0-21swapper/300:14:173
1277299139,1cyclictest0-21swapper/221:37:192
1277299139,1cyclictest0-21swapper/200:26:322
1277299138,4cyclictest30682-21bash22:43:182
1277299138,1cyclictest32047-21sshd22:55:012
12772991311,1cyclictest0-21swapper/221:13:502
1277299130,4cyclictest12324-21id22:18:332
1277299130,4cyclictest115650irq/25-eth022:30:332
1277299130,13cyclictest0-21swapper/222:06:092
1277299130,12cyclictest7439-21bash21:23:162
1277299130,12cyclictest31365-21sshd23:20:502
1277299130,12cyclictest26835-21sshd23:40:392
1277299130,12cyclictest1596-21sshd21:25:092
1277299130,12cyclictest0-21swapper/223:36:282
1277299130,12cyclictest0-21swapper/223:33:542
1277299130,12cyclictest0-21swapper/223:05:042
1277299130,12cyclictest0-21swapper/222:47:242
1277299130,12cyclictest0-21swapper/200:24:162
1277299130,12cyclictest0-21swapper/200:11:462
12771991312,1cyclictest21-21ksoftirqd/122:46:411
12771991312,1cyclictest21-21ksoftirqd/122:27:001
12771991312,1cyclictest21-21ksoftirqd/122:11:351
1277199131,1cyclictest0-21swapper/121:20:551
12771991311,1cyclictest21-21ksoftirqd/123:23:071
12771991311,1cyclictest21-21ksoftirqd/122:21:241
12771991311,1cyclictest21-21ksoftirqd/121:40:281
1277199130,12cyclictest7936-21bash23:50:361
1277199130,12cyclictest30468-21sshd21:51:121
1277199130,12cyclictest0-21swapper/123:46:041
1277199130,12cyclictest0-21swapper/122:58:481
1277199130,12cyclictest0-21swapper/122:05:491
1277099132,2cyclictest17976-21kworker/0:222:00:110
1277399129,2cyclictest0-21swapper/323:30:593
1277399129,2cyclictest0-21swapper/320:00:533
1277399129,2cyclictest0-21swapper/300:36:233
1277399120,1cyclictest115650irq/25-eth022:48:033
1277399120,11cyclictest0-21swapper/319:45:243
1277299129,2cyclictest0-21swapper/223:45:092
1277299129,2cyclictest0-21swapper/220:40:172
1277299128,3cyclictest0-21swapper/221:18:362
1277299122,1cyclictest0-21swapper/200:00:212
1277299120,3cyclictest0-21swapper/220:45:152
1277299120,11cyclictest0-21swapper/220:58:532
1277199129,2cyclictest0-21swapper/121:25:121
1277199129,2cyclictest0-21swapper/119:55:151
12771991210,1cyclictest0-21swapper/100:25:491
1277199120,11cyclictest0-21swapper/119:22:461
1277399119,1cyclictest0-21swapper/321:00:143
1277399110,2cyclictest0-21swapper/321:20:423
1277399110,11cyclictest0-21swapper/321:05:143
1277399110,10cyclictest0-21swapper/320:55:143
1277399110,10cyclictest0-21swapper/320:50:133
1277399110,10cyclictest0-21swapper/320:30:163
1277399110,10cyclictest0-21swapper/320:05:143
1277399110,10cyclictest0-21swapper/319:38:553
1277399110,10cyclictest0-21swapper/319:20:133
1277399110,10cyclictest0-21swapper/319:15:013
1277299119,1cyclictest0-21swapper/219:45:162
1277299119,1cyclictest0-21swapper/219:25:162
1277299118,2cyclictest0-21swapper/221:00:152
1277299118,2cyclictest0-21swapper/220:20:132
1277299110,11cyclictest0-21swapper/219:23:592
1277299110,10cyclictest16250-21perl19:15:032
1277299110,10cyclictest0-21swapper/220:15:162
1277299110,10cyclictest0-21swapper/219:12:502
1277199119,1cyclictest0-21swapper/120:45:151
1277199118,2cyclictest0-21swapper/119:15:141
1277199110,11cyclictest0-21swapper/120:33:231
1277199110,11cyclictest0-21swapper/120:10:361
1277399100,9cyclictest0-21swapper/320:40:173
1277399100,9cyclictest0-21swapper/320:20:153
1277399100,1cyclictest26398-21fschecks_time20:25:173
1277399100,10cyclictest0-21swapper/319:28:483
1277399100,10cyclictest0-21swapper/319:13:073
1277299109,1cyclictest0-21swapper/220:30:042
1277299109,1cyclictest0-21swapper/220:10:052
1277299109,1cyclictest0-21swapper/220:00:472
1277299108,1cyclictest0-21swapper/219:40:132
1277299108,1cyclictest0-21swapper/219:35:132
1277299100,9cyclictest17605-21diskstats21:05:172
1277299100,1cyclictest4889-21apache_volume19:50:102
1277299100,10cyclictest0-21swapper/220:25:042
1277199109,1cyclictest21-21ksoftirqd/120:00:141
1277199109,1cyclictest0-21swapper/119:34:361
1277199108,1cyclictest23137-21df20:20:131
1277199108,1cyclictest14554-21expr21:00:131
1277199100,9cyclictest5327-21diskstats19:50:131
1277199100,9cyclictest2914-21fschecks_time20:40:161
1277199100,1cyclictest31792-21diskstats19:40:141
1277199100,1cyclictest19-21rcuc/119:25:161
1277199100,1cyclictest0-21swapper/120:38:291
1277199100,10cyclictest0-21swapper/119:36:421
1277199100,10cyclictest0-21swapper/119:11:491
127739998,1cyclictest0-21swapper/320:16:413
127739998,1cyclictest0-21swapper/320:14:073
127729998,1cyclictest0-21swapper/219:33:162
127729990,9cyclictest0-21swapper/220:50:132
127729990,9cyclictest0-21swapper/220:35:392
127719998,1cyclictest0-21swapper/121:08:481
127719998,1cyclictest0-21swapper/120:05:131
127719990,9cyclictest0-21swapper/120:25:141
127739988,0cyclictest0-21swapper/320:45:153
127739987,1cyclictest0-21swapper/320:35:133
127739987,1cyclictest0-21swapper/319:57:233
127739981,6cyclictest0-21swapper/319:50:133
127739981,6cyclictest0-21swapper/319:30:153
127729987,1cyclictest0-21swapper/219:57:182
127729980,7cyclictest0-21swapper/220:05:112
127719981,6cyclictest0-21swapper/120:55:241
127739972,5cyclictest0-21swapper/319:40:163
127719964,1cyclictest8571-21cat20:50:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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