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2025-12-06 - 04:32
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackfslot4.osadl.org (updated Sat Dec 06, 2025 00:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
604122900,1sleep12951-21kworker/u8:1719:05:241
700822800,3sleep30-21swapper/319:10:003
635522650,1sleep22951-21kworker/u8:1719:05:372
703798251243,5cyclictest448-21kworker/u8:4220:27:052
703598247239,5cyclictest23449-21kworker/u8:1620:27:061
704098239232,4cyclictest2507-21kworker/u8:12720:27:063
703498212201,8cyclictest10-21ksoftirqd/020:27:060
703798172166,4cyclictest3495-21kworker/u8:200:07:152
703598170163,4cyclictest6233-21kworker/u8:10400:07:151
704098165156,6cyclictest6155-21kworker/u8:2600:07:153
703498136124,9cyclictest10-21ksoftirqd/000:07:160
703798129119,6cyclictest2498-21kworker/u8:11820:32:122
703598122115,4cyclictest4357-21kworker/u8:020:32:131
704098114107,4cyclictest4429-21kworker/u8:7020:32:123
2122421040,2sleep10-21swapper/122:20:191
7034988476,5cyclictest1050ksoftirqd/020:32:120
252192710,4sleep121604-1kworker/u9:021:20:231
305622480,3sleep130553-21ssh21:30:371
109722460,3sleep210970-21ssh23:05:292
109722460,3sleep210970-21ssh23:05:292
29672450,3sleep30-21swapper/322:50:023
207172450,2chrt0-21swapper/223:25:292
7035984233,5cyclictest14367-21kworker/u8:423:27:191
210532410,1sleep10-21swapper/100:34:511
257622330,11sleep331-21ksoftirqd/321:20:373
327532320,11sleep119-21ksoftirqd/122:44:491
117432320,6sleep331-21ksoftirqd/323:06:473
117432320,6sleep331-21ksoftirqd/323:06:473
7040983125,3cyclictest19195-21kworker/u8:2123:27:193
703598313,5cyclictest19-21ksoftirqd/123:21:181
7035983112,5cyclictest19-21ksoftirqd/121:45:151
704098305,13cyclictest6883-21aten2.4-expect21:50:163
278412300,16sleep225-21ksoftirqd/222:34:042
278412300,16sleep225-21ksoftirqd/222:34:032
173182300,2sleep214138-21kworker/u8:2919:35:342
134452300,7sleep225-21ksoftirqd/222:03:222
8292290,7sleep1191ksoftirqd/123:51:021
703798291,3cyclictest121rcu_preempt22:50:012
62482290,17sleep26231-21kworker/u8:10200:02:172
318282290,2sleep30-21swapper/320:15:343
231002290,7sleep2251ksoftirqd/222:23:582
192322290,2sleep30-21swapper/319:40:363
179112290,7sleep2251ksoftirqd/222:11:562
122382290,7sleep1191ksoftirqd/123:09:301
122382290,7sleep1191ksoftirqd/123:09:301
704098289,3cyclictest19764-21diskmemload00:21:433
703798281,6cyclictest29936-21ps23:45:252
703798281,3cyclictest121rcu_preempt21:10:192
703598287,4cyclictest121rcu_preempt00:15:421
703598281,3cyclictest121rcu_preempt19:35:151
282792280,5sleep2251ksoftirqd/222:35:082
20562280,16sleep30-21swapper/321:40:043
159422280,2sleep20-21swapper/223:15:312
136872280,16sleep113277-21kworker/u8:2822:04:431
96172270,5sleep1191ksoftirqd/123:03:111
7037982721,4cyclictest14131-21kworker/u8:1319:42:032
703798271,6cyclictest19778-21ntpq00:30:302
703798271,3cyclictest0-21swapper/221:30:422
703598275,4cyclictest121rcu_preempt19:55:221
703598274,5cyclictest4767-1kworker/u9:022:56:421
703598274,5cyclictest19-21ksoftirqd/121:40:231
703598271,4cyclictest121rcu_preempt22:30:161
703598271,4cyclictest121rcu_preempt22:30:161
703598271,3cyclictest121rcu_preempt23:40:151
7034982720,4cyclictest10-21ksoftirqd/022:40:160
50302270,15sleep30-21swapper/322:54:083
308282270,2sleep10-21swapper/123:45:441
265412270,1sleep123454-21kworker/u8:2120:00:291
249422270,15sleep222725-21kworker/u8:1422:26:042
704098266,5cyclictest31-21ksoftirqd/323:45:373
703798264,5cyclictest25-21ksoftirqd/219:11:192
703798263,3cyclictest121rcu_preempt20:50:022
703798261,6cyclictest17327-21missed_timers00:25:292
703798261,4cyclictest0-21swapper/220:00:242
703598264,5cyclictest19-21ksoftirqd/100:25:271
703598261,5cyclictest8961-21modprobe21:55:001
703598261,5cyclictest2951-21kworker/u8:1719:20:151
703598261,5cyclictest28574-21diskstats22:35:231
67722260,3sleep36771-21ssh22:55:453
59792260,1sleep33501-21kworker/u8:800:01:183
50342260,2sleep14561-21kworker/u8:1322:54:101
32722260,5sleep1191ksoftirqd/123:55:571
315482260,4sleep1121rcu_preempt20:15:111
27132260,2sleep10-21swapper/122:49:271
268102260,15sleep20-21swapper/221:24:062
254932260,2sleep30-21swapper/322:29:063
254182260,2sleep20-21swapper/219:58:572
238792260,2sleep10-21swapper/123:31:471
236322260,2sleep20-21swapper/219:54:392
213512260,5sleep2251ksoftirqd/200:35:122
191742260,3sleep219173-21ssh23:22:162
178582260,4sleep3121rcu_preempt23:20:233
173292260,6sleep331-21ksoftirqd/321:01:233
160432260,6sleep119-21ksoftirqd/121:00:161
160072260,2sleep20-21swapper/219:32:042
160072260,2sleep20-21swapper/219:32:032
158912260,2sleep20-21swapper/200:22:372
156452260,3sleep115644-21ssh00:21:151
108952260,5sleep2251ksoftirqd/200:11:392
105732260,3sleep2251ksoftirqd/219:18:442
9892250,1sleep331329-21kworker/u8:021:36:093
81712250,2sleep30-21swapper/319:10:403
80982250,13sleep10-21swapper/120:36:511
72232250,1sleep14853-21kworker/u8:019:10:061
704098257,9cyclictest11647-21apt-get22:00:153
704098253,10cyclictest15722-21kworker/u8:400:35:253
703798254,3cyclictest121rcu_preempt22:50:182
703798251,4cyclictest19069-21ps21:05:552
703798251,4cyclictest0-21swapper/222:45:012
703798250,4cyclictest32067-21ssh21:35:162
703598259,9cyclictest19-21ksoftirqd/121:18:411
703598253,3cyclictest121rcu_preempt19:40:361
703598252,3cyclictest121rcu_preempt21:35:281
703598252,3cyclictest121rcu_preempt00:35:151
703598250,5cyclictest0-21swapper/121:05:041
703598250,3cyclictest121rcu_preempt20:50:411
45642250,2sleep13498-1kworker/u9:200:00:121
309432250,2sleep10-21swapper/120:13:261
287052250,2sleep10-21swapper/121:26:251
250142250,1sleep119217-21kworker/u8:4423:35:221
206162250,1sleep220269-21kworker/u8:1322:18:272
193882250,6sleep3121rcu_preempt21:06:013
154202250,1sleep211874-21kworker/u8:120:56:032
131062250,13sleep225-21ksoftirqd/223:10:322
105562250,1sleep310387-21kworker/u8:2819:18:333
704098247,4cyclictest8418-21ls20:40:003
704098245,3cyclictest121rcu_preempt21:30:203
704098243,4cyclictest121rcu_preempt20:00:183
704098242,8cyclictest121rcu_preempt19:25:273
704098241,15cyclictest0-21swapper/319:45:153
704098240,4cyclictest121rcu_preempt22:00:013
704098240,4cyclictest121rcu_preempt22:00:003
703798241,3cyclictest121rcu_preempt23:50:412
703798241,3cyclictest121rcu_preempt20:35:372
703598249,3cyclictest19-21ksoftirqd/123:10:321
703598241,3cyclictest121rcu_preempt19:30:411
703598241,3cyclictest121rcu_preempt19:30:411
319042240,3sleep331902-21ssh23:50:113
307252240,2sleep20-21swapper/220:10:502
291362240,2sleep30-21swapper/323:44:243
290912240,2sleep2121rcu_preempt21:28:322
290412240,2sleep30-21swapper/320:07:453
262452240,3sleep326244-21ssh23:36:443
223282240,8sleep3301rcuc/319:50:213
172412240,1sleep116780-21kworker/u8:823:19:441
155352240,2sleep10-21swapper/120:57:151
85462230,1sleep28434-21kworker/u8:921:52:492
704098237,10cyclictest204942chrt22:17:483
704098233,8cyclictest121rcu_preempt00:10:433
704098232,5cyclictest31-21ksoftirqd/322:21:583
704098231,11cyclictest62812kworker/u8:120:40:563
703798232,3cyclictest45652kworker/u8:1823:03:282
703798232,3cyclictest44302kworker/u8:7120:40:262
703798231,3cyclictest121rcu_preempt00:15:292
703598231,5cyclictest121rcu_preempt20:05:281
703598231,3cyclictest121rcu_preempt22:05:121
703598230,4cyclictest18812-21aten2_rfpower_c22:15:201
703598230,3cyclictest121rcu_preempt19:25:151
7034982318,3cyclictest29641-21ssh21:30:140
6722230,1sleep2476-21kworker/u8:6620:19:002
291432230,1sleep223453-21kworker/u8:2020:09:062
26392230,5sleep1191ksoftirqd/120:23:461
250862230,6sleep1121rcu_preempt22:26:551
242882230,11sleep2241rcuc/221:18:432
234102230,5sleep1191ksoftirqd/119:51:571
216632230,2sleep20-21swapper/219:48:072
215572230,5sleep3311ksoftirqd/321:12:013
200902230,2sleep30-21swapper/300:30:423
142182230,12sleep331-21ksoftirqd/323:11:143
139892230,12sleep225-21ksoftirqd/222:05:042
117802230,2sleep30-21swapper/320:46:343
113282230,12sleep10-21swapper/100:13:551
704098227,3cyclictest19764-21diskmemload22:10:103
704098221,9cyclictest0-21swapper/300:25:423
704098221,3cyclictest121rcu_preempt22:35:253
704098221,12cyclictest2081-21runrttasks23:56:063
704098221,10cyclictest11624-21sed19:20:253
704098221,10cyclictest0-21swapper/320:55:253
704098220,11cyclictest0-21swapper/321:25:203
703798225,3cyclictest121rcu_preempt23:34:092
703798222,3cyclictest103852kworker/u8:2619:25:162
7037982215,4cyclictest27751-21irqstats23:40:272
703798221,3cyclictest121rcu_preempt23:56:442
703798221,3cyclictest121rcu_preempt22:55:422
703798221,3cyclictest121rcu_preempt21:40:252
703798221,3cyclictest121rcu_preempt21:00:422
703598225,3cyclictest121rcu_preempt19:20:021
703598222,3cyclictest121rcu_preempt21:55:401
703598222,3cyclictest121rcu_preempt21:55:401
703598221,5cyclictest10237-21munin-run20:45:001
703598221,4cyclictest0-21swapper/120:49:491
7034982217,3cyclictest10-21ksoftirqd/022:30:400
7034982217,3cyclictest10-21ksoftirqd/022:30:400
7034982215,4cyclictest10-21ksoftirqd/022:20:190
51912220,1sleep226470-21kworker/u8:1721:45:252
274822220,11sleep331-21ksoftirqd/322:32:043
274822220,11sleep331-21ksoftirqd/322:32:043
23632220,11sleep331-21ksoftirqd/320:20:533
704098215,3cyclictest121rcu_preempt20:53:073
704098213,3cyclictest6716-21kworker/u8:1619:38:313
704098213,3cyclictest23445-21kworker/u8:1219:55:563
7040982114,4cyclictest5292-21/usr/sbin/munin21:45:303
704098211,3cyclictest121rcu_preempt22:40:273
704098211,10cyclictest7863-21apt-get23:00:133
7037982114,4cyclictest11210-21df_inode19:20:202
7034982116,3cyclictest10-21ksoftirqd/022:00:390
7034982115,3cyclictest10-21ksoftirqd/021:55:130
7034982115,3cyclictest10-21ksoftirqd/021:55:120
7034982114,4cyclictest118150irq/29-4f00000.23:00:130
7034982114,4cyclictest10-21ksoftirqd/023:35:160
7034982114,3cyclictest10-21ksoftirqd/000:10:250
233212210,3chrt0-21swapper/321:15:393
210942216,3sleep119-21ksoftirqd/119:45:391
132722210,3chrt0-21swapper/300:16:343
704098203,3cyclictest121rcu_preempt22:08:163
704098201,9cyclictest121rcu_preempt23:15:483
704098201,4cyclictest121rcu_preempt20:10:223
704098201,12cyclictest0-21swapper/323:30:223
704098201,10cyclictest0-21swapper/319:35:003
704098201,10cyclictest0-21swapper/319:35:003
7037982013,4cyclictest25553-21ntpq23:35:292
703598201,5cyclictest20009-21/usr/sbin/munin21:10:251
703598200,3cyclictest121rcu_preempt22:10:421
703498209,8cyclictest7846-21wc21:50:400
703498207,9cyclictest22724-21idleruntime21:15:270
703498207,5cyclictest58552rm21:46:150
703498205,8cyclictest15889-21date21:00:000
7034982015,3cyclictest16495-21apt-get19:35:120
7034982015,3cyclictest10-21ksoftirqd/023:45:290
7034982014,3cyclictest2044-21snmpd23:56:310
7034982014,3cyclictest10-21ksoftirqd/020:20:420
7034982013,5cyclictest28803-21sh21:26:580
7034982012,6cyclictest28511-21ntp_states20:05:380
7034982012,6cyclictest24066-21sh23:32:430
7034982012,6cyclictest20444-21sh22:17:340
7034982012,6cyclictest11213-21open_files23:05:410
7034982012,6cyclictest11213-21open_files23:05:410
7034982011,6cyclictest19764-21diskmemload00:30:250
7034982011,3cyclictest19276-21ssh23:22:350
703798191,3cyclictest121rcu_preempt21:55:032
703798191,3cyclictest121rcu_preempt21:55:032
7037981912,4cyclictest1875-21ntpq20:20:332
703498198,8cyclictest19301-21wc19:40:410
703498198,3cyclictest10-21ksoftirqd/020:50:430
7034981914,3cyclictest30435-21sendmail22:40:000
7034981914,3cyclictest25697-21ssh21:20:330
7034981912,5cyclictest18170-21sh00:27:070
7034981911,6cyclictest20927-21sh23:25:400
7034981911,6cyclictest18404-21entropy21:05:360
7034981911,6cyclictest14978-21sh22:05:410
7034981911,6cyclictest14269-21aten2.4-expect00:20:160
7034981911,6cyclictest13047-21timerwakeupswit00:15:410
7034981911,5cyclictest22089-21aten2_rfpower_c19:50:160
7034981910,3cyclictest10-21ksoftirqd/000:35:320
7037981811,4cyclictest12314-21apt-get20:50:132
703498188,3cyclictest21594-1kworker/u9:320:00:000
7034981813,3cyclictest19734-1kworker/u9:219:45:280
7034981813,3cyclictest17298-21ntpq22:10:370
7034981813,3cyclictest13956-21/usr/sbin/munin23:10:560
7034981813,3cyclictest10-21ksoftirqd/021:40:280
7034981812,4cyclictest10-21ksoftirqd/021:10:410
7034981812,4cyclictest10-21ksoftirqd/020:40:150
7034981810,6cyclictest9357-21idleruntime19:15:230
7034981810,6cyclictest5727-21sh22:55:210
7034981810,6cyclictest4403-21apt-config00:00:020
7034981810,6cyclictest30259-21gcc20:10:330
7034981810,6cyclictest28499-21sh23:41:040
7034981810,6cyclictest17336-21sendmail23:20:000
7034981810,6cyclictest14687-21aten2.4-expect19:30:170
7034981810,6cyclictest14687-21aten2.4-expect19:30:160
7034981810,6cyclictest1419-21missed_timers22:45:260
7034981810,6cyclictest1405-21sshd21:36:400
7034981810,6cyclictest11771-21ntpq19:20:330
7034981810,6cyclictest11307-21ntp_offset20:45:360
703498179,6cyclictest31996-21aten2_rfpower_f23:50:160
703498178,7cyclictest23578-21/usr/sbin/munin22:25:290
703498176,9cyclictest26131-21if_eth120:00:240
7034981712,3cyclictest21586-1kworker/u9:020:15:240
7034981712,3cyclictest2044-21snmpd19:25:130
7034981712,3cyclictest19764-21diskmemload22:51:160
7034981711,4cyclictest10-21ksoftirqd/021:00:150
7034981711,3cyclictest7597-21gcc20:35:350
703498168,6cyclictest8214-21mailstats19:10:410
703498149,3cyclictest7117-21latency_hist19:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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