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2025-12-11 - 02:57
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack4slot1.osadl.org (updated Thu Dec 11, 2025 00:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2911221670,2sleep10-21swapper/121:22:121
2911221670,2sleep10-21swapper/121:22:121
2641821340,4sleep30-21swapper/321:54:213
2641821340,4sleep30-21swapper/321:54:213
1047421270,2chrt0-21swapper/323:21:063
1047421270,2chrt0-21swapper/323:21:063
1237821130,3sleep333-21ksoftirqd/320:56:143
1237821130,3sleep333-21ksoftirqd/320:56:143
2875621030,4sleep30-21swapper/321:21:423
2875621030,4sleep30-21swapper/321:21:423
2420021030,1sleep012-21ksoftirqd/020:01:140
2420021030,1sleep012-21ksoftirqd/020:01:140
18462990,2chrt0-21swapper/000:21:120
18462990,2chrt0-21swapper/000:21:120
201722970,3sleep10-21swapper/100:05:331
201722970,3sleep10-21swapper/100:05:331
130392940,3chrt0-21swapper/021:40:360
130392940,3chrt0-21swapper/021:40:360
83422930,3chrt0-21swapper/122:09:431
83422930,3chrt0-21swapper/122:09:431
142722870,3sleep00-21swapper/022:16:090
142722870,3sleep00-21swapper/022:16:090
298312840,5sleep073-21kswapd023:41:130
298312840,5sleep073-21kswapd023:41:130
40092830,3chrt4001-21ssh21:31:030
40092830,3chrt4001-21ssh21:31:030
269942820,3sleep10-21swapper/121:21:001
269942820,3sleep10-21swapper/121:21:001
58852750,2sleep00-21swapper/019:11:200
306812740,2sleep30-21swapper/300:16:203
306812740,2sleep30-21swapper/300:16:203
103052690,1sleep29493-21/usr/sbin/munin22:11:212
103052690,1sleep29493-21/usr/sbin/munin22:11:212
95322680,3chrt0-21swapper/020:46:220
95322680,3chrt0-21swapper/020:46:220
272522670,3sleep10-21swapper/122:29:361
67672640,2sleep30-21swapper/323:51:123
67672640,2sleep30-21swapper/323:51:123
215642620,3sleep10-21swapper/122:57:211
215642620,3sleep10-21swapper/122:57:211
98832610,3sleep20-21swapper/219:21:212
98832610,3sleep20-21swapper/219:21:212
271532610,2chrt0-21swapper/320:07:193
57722600,2sleep14979-21ls19:11:161
38312590,4chrt0-21swapper/122:39:001
38312590,4chrt0-21swapper/122:39:001
142572590,2chrt0-21swapper/321:01:123
142572590,2chrt0-21swapper/321:01:123
320282560,2sleep20-21swapper/222:34:432
320282560,2sleep20-21swapper/222:34:432
161422550,2sleep30-21swapper/321:06:113
123232540,5chrt0-21swapper/022:13:350
123232540,5chrt0-21swapper/022:13:350
210832530,3sleep00-21swapper/023:31:200
210832530,3sleep00-21swapper/023:31:200
125902530,3sleep10-21swapper/120:56:161
125902530,3sleep10-21swapper/120:56:161
89912520,2sleep29001-21ssh22:44:372
89912520,2sleep29001-21ssh22:44:372
186192520,3sleep00-21swapper/000:03:110
186192520,3sleep00-21swapper/000:03:110
164652520,3chrt0-21swapper/119:41:051
129582500,3chrt0-21swapper/123:22:571
129582500,3chrt0-21swapper/123:22:571
291722480,3sleep30-21swapper/323:40:523
141832480,3sleep10-21swapper/122:16:061
141832480,3sleep10-21swapper/122:16:061
140952480,2chrt0-21swapper/323:58:283
197152460,2sleep30-21swapper/322:21:143
38302450,3sleep30-21swapper/323:47:153
38302450,3sleep30-21swapper/323:47:153
173742440,3sleep30-21swapper/323:27:293
173742440,3sleep30-21swapper/323:27:293
129612440,3sleep00-21swapper/023:56:480
327042430,2sleep231913-21/usr/sbin/munin21:26:202
327042430,2sleep231913-21/usr/sbin/munin21:26:202
58232420,3sleep24979-21ls19:11:172
143222420,3sleep00-21swapper/022:50:250
143222420,3sleep00-21swapper/022:50:250
90442410,2sleep30-21swapper/320:46:173
90442410,2sleep30-21swapper/320:46:173
5512410,3sleep10-21swapper/122:36:031
5512410,3sleep10-21swapper/122:36:031
19532410,3chrt0-21swapper/121:28:071
19532410,3chrt0-21swapper/121:28:071
150172410,3sleep10-21swapper/100:36:201
150172410,3sleep10-21swapper/100:36:201
172732400,2chrt0-21swapper/322:18:493
172732400,2chrt0-21swapper/322:18:493
15242400,3sleep10-21swapper/120:26:181
15242400,3sleep10-21swapper/120:26:181
308132380,2sleep00-21swapper/000:16:210
308132380,2sleep00-21swapper/000:16:210
92552370,2sleep30-21swapper/300:30:193
92552370,2sleep30-21swapper/300:30:193
62422370,4sleep10-21swapper/123:16:141
62422370,4sleep10-21swapper/123:16:141
193682370,2sleep3321rcuc/321:46:173
193682370,2sleep3321rcuc/321:46:173
179432370,3chrt0-21swapper/023:28:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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