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2026-04-27 - 07:32
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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 100 highest latencies:
System rack5slot0.osadl.org (updated Mon Apr 27, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2463421190,4sleep13087599cyclictest22:09:351
2752421140,2sleep327522-21bash00:12:553
29251210133,43sleep10-21swapper/119:05:151
265082910,3sleep23087699cyclictest23:47:012
265082910,3sleep23087699cyclictest23:47:012
252852890,1sleep20-21swapper/222:59:272
205002890,3sleep03087499cyclictest22:40:150
258492860,3sleep12024-21nfsd00:30:371
122492860,1sleep20-21swapper/221:43:262
259902850,2sleep225985-21sshd23:43:202
163912850,2sleep316296-21sshd22:46:513
7822840,0sleep041ktimersoftd/022:49:010
67162840,3sleep20-21swapper/223:34:232
203272840,3sleep20-21swapper/223:17:192
268662830,1sleep20-21swapper/221:17:252
3037028232,45sleep30-21swapper/319:06:543
313322810,2sleep131328-21sshd23:15:021
311002810,1sleep00-21swapper/022:10:140
206842810,2sleep320671-21sshd23:42:453
247202800,2sleep22512-21runrttasks23:06:502
202342790,1sleep00-21swapper/021:58:240
115682790,2sleep30-21swapper/321:46:433
176382780,3sleep20-21swapper/200:00:512
89582770,0sleep00-21swapper/021:15:270
46732770,1sleep10-21swapper/100:39:011
289022770,1sleep328901-21sshd22:27:203
240252770,3sleep20-21swapper/221:55:162
140482760,1sleep20-21swapper/221:22:502
81782750,1sleep20-21swapper/200:10:412
66892750,2sleep30-21swapper/321:56:543
211742750,1sleep30-21swapper/323:35:483
11462750,2sleep10-21swapper/122:53:021
303652740,2sleep30-21swapper/321:14:263
116522740,2sleep20-21swapper/221:36:292
285502730,2sleep10-21swapper/121:17:371
273832720,3sleep03087499cyclictest23:29:400
215022710,1sleep10-21swapper/123:35:501
316572700,2sleep30-21swapper/323:22:423
270312700,0sleep00-21swapper/000:12:510
198922680,2sleep30-21swapper/300:19:043
75602670,4sleep23087699cyclictest22:07:422
320692660,0sleep344-21ksoftirqd/322:41:263
64502650,0sleep00-21swapper/023:19:420
3054926532,12sleep20-21swapper/219:09:092
44992640,1sleep10-21swapper/123:12:061
272212640,4sleep23087699cyclictest22:02:342
3040425632,12sleep00-21swapper/019:07:190
93652460,2sleep30-21swapper/322:32:093
45892400,0sleep24588-21bash00:17:222
76112350,0sleep00-21swapper/021:32:180
242512340,3sleep03087499cyclictest00:37:330
5352310,1sleep30-21swapper/321:21:233
54332300,28sleep1144650irq/27-eth022:42:051
28542300,2sleep32803-21sshd23:08:113
230702280,2sleep10-21swapper/122:33:381
297572270,1sleep08-21rcu_preempt21:38:270
122252262,22sleep128950irq/26-ahci[00023:09:251
116702260,2sleep12512-21runrttasks00:29:031
3087699250,5cyclictest8308-21sshd00:25:022
174992250,0sleep317498-21sshd00:25:533
119012250,3sleep20-21swapper/223:12:552
290032230,1sleep20-21swapper/221:14:182
87732220,2sleep20-21swapper/221:25:352
277722220,2sleep20-21swapper/221:45:072
174962220,4sleep20-21swapper/223:38:592
305832210,2sleep30-21swapper/323:11:233
3087699202,10cyclictest20532-21sshd21:33:532
300352200,1sleep20-21swapper/220:19:322
259852200,1sleep00-21swapper/022:37:220
151462200,4sleep03087499cyclictest21:26:170
6782190,17sleep128950irq/26-ahci[00021:28:151
5282190,17sleep2144650irq/27-eth023:22:542
30875991916,2cyclictest26275-21sshd00:23:271
84552180,16sleep3144650irq/27-eth022:35:253
30877991816,1cyclictest0-21swapper/319:26:543
3087699188,4cyclictest13245-21sshd22:42:552
3087699182,15cyclictest0-21swapper/220:13:572
202822180,16sleep2144650irq/27-eth022:26:232
3087799170,6cyclictest2023-21nfsd23:15:133
3087799170,12cyclictest17095-21sshd21:50:403
3087799170,12cyclictest17095-21sshd21:50:403
3087699174,9cyclictest11568-21sshd22:39:212
3087699173,10cyclictest0-21swapper/222:11:532
3087599176,9cyclictest8208-21sshd22:49:561
3087599176,9cyclictest6910-21sshd23:52:211
3087599173,10cyclictest22297-21sshd00:01:231
3087599170,5cyclictest0-21swapper/122:00:041
3087599170,12cyclictest11852-21sshd23:45:151
3087599170,12cyclictest11852-21sshd23:45:151
305042170,15sleep2144650irq/27-eth022:16:582
204562172,13sleep320569-21sshd00:37:093
314532160,14sleep2144650irq/27-eth000:09:472
3087799164,10cyclictest44-21ksoftirqd/300:05:113
3087799162,1cyclictest5206-21diskstats22:00:133
3087799160,15cyclictest0-21swapper/322:54:313
3087799160,15cyclictest0-21swapper/321:33:233
3087799160,15cyclictest0-21swapper/321:18:073
3087799160,14cyclictest0-21swapper/321:35:133
3087699162,13cyclictest20051-21sshd23:28:512
3087699162,13cyclictest0-21swapper/222:46:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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