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2026-06-01 - 04:01
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack5slot4.osadl.org (updated Mon Jun 01, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29049212363,6sleep00-21swapper/019:05:550
293462122113,6sleep10-21swapper/119:09:451
292812114104,7sleep30-21swapper/319:08:553
29046210292,7sleep20-21swapper/219:05:532
119132930,0sleep30-21swapper/321:15:173
203762640,1sleep020382-21kthreadcore19:55:180
39322560,0sleep20-21swapper/220:40:002
223952550,1sleep120-21rcuc/121:25:011
249172540,0sleep10-21swapper/123:20:181
216532530,0sleep00-21swapper/000:20:200
2954399281,26cyclictest0-21swapper/220:29:042
2954399280,27cyclictest0-21swapper/223:02:312
2954399280,27cyclictest0-21swapper/220:14:042
2954399270,26cyclictest0-21swapper/223:42:192
2954399270,26cyclictest0-21swapper/219:36:032
2954399270,26cyclictest0-21swapper/200:15:292
324942260,1sleep229-21rcuc/223:25:242
2954399260,25cyclictest0-21swapper/223:55:342
2954399260,25cyclictest0-21swapper/222:26:172
2954399260,25cyclictest0-21swapper/221:32:042
2954399260,25cyclictest0-21swapper/221:17:022
2954399250,25cyclictest0-21swapper/221:01:392
29543992422,2cyclictest0-21swapper/223:39:522
29543992422,2cyclictest0-21swapper/220:41:192
2954399241,22cyclictest0-21swapper/223:05:162
2954399241,22cyclictest0-21swapper/222:30:512
2954399240,23cyclictest0-21swapper/221:44:322
29543992321,2cyclictest0-21swapper/200:34:352
29543992320,2cyclictest0-21swapper/222:45:122
2954399231,21cyclictest0-21swapper/222:09:212
2954399231,21cyclictest0-21swapper/221:53:502
2954399231,21cyclictest0-21swapper/221:05:582
2954399231,21cyclictest0-21swapper/219:48:152
2954399231,21cyclictest0-21swapper/200:06:202
2954399230,23cyclictest0-21swapper/219:29:562
2954399230,22cyclictest0-21swapper/223:47:552
2954399230,22cyclictest0-21swapper/220:53:282
2954399230,17cyclictest0-21swapper/221:28:592
2954399229,8cyclictest0-21swapper/219:15:222
29543992220,2cyclictest0-21swapper/221:56:592
29543992220,2cyclictest0-21swapper/221:23:292
29543992220,2cyclictest0-21swapper/221:23:282
29543992220,2cyclictest0-21swapper/220:34:182
29543992220,2cyclictest0-21swapper/219:21:302
29543992218,3cyclictest0-21swapper/220:49:542
2954399221,20cyclictest0-21swapper/219:41:022
2954399220,3cyclictest0-21swapper/221:12:312
2954399220,21cyclictest0-21swapper/222:11:052
2954399220,21cyclictest0-21swapper/221:38:292
2954399220,21cyclictest0-21swapper/220:17:162
2954399220,21cyclictest0-21swapper/219:55:562
2954399220,21cyclictest0-21swapper/200:13:442
2953999220,21cyclictest0-21swapper/121:28:531
2953499220,21cyclictest0-21swapper/020:54:280
29543992117,3cyclictest0-21swapper/219:30:412
2954399211,19cyclictest0-21swapper/219:52:172
2954399211,19cyclictest0-21swapper/200:24:422
2954399210,3cyclictest0-21swapper/222:42:152
2954399210,3cyclictest0-21swapper/221:46:042
2954399210,21cyclictest0-21swapper/223:20:522
2954399210,21cyclictest0-21swapper/200:36:512
2954399210,20cyclictest0-21swapper/223:31:552
2954399210,20cyclictest0-21swapper/223:16:342
2954399210,20cyclictest0-21swapper/222:39:092
2954399210,20cyclictest0-21swapper/222:03:062
2954399210,20cyclictest0-21swapper/220:06:062
2954399210,20cyclictest0-21swapper/219:10:212
2954399210,19cyclictest16220-21awk23:15:002
29539992119,2cyclictest0-21swapper/119:34:061
2953999210,20cyclictest0-21swapper/123:42:401
2953999210,20cyclictest0-21swapper/123:29:011
2953999210,20cyclictest0-21swapper/122:41:451
2953999210,20cyclictest0-21swapper/122:32:421
2953999210,20cyclictest0-21swapper/122:24:451
2953999210,20cyclictest0-21swapper/122:07:181
2953999210,20cyclictest0-21swapper/120:28:431
2953999210,20cyclictest0-21swapper/120:12:071
2953999210,20cyclictest0-21swapper/119:25:291
2953999210,20cyclictest0-21swapper/100:35:051
2953999210,20cyclictest0-21swapper/100:29:081
2953999210,20cyclictest0-21swapper/100:16:561
29543992018,1cyclictest749-21snmpd20:56:572
29543992018,1cyclictest749-21snmpd00:26:382
29543992016,3cyclictest0-21swapper/220:22:272
29543992016,3cyclictest0-21swapper/200:01:202
2954399200,2cyclictest0-21swapper/223:50:132
2954399200,20cyclictest0-21swapper/220:00:452
29539992018,1cyclictest749-21snmpd23:00:211
29539992017,3cyclictest0-21swapper/120:22:571
29539992016,3cyclictest0-21swapper/121:51:261
2953999200,2cyclictest0-21swapper/120:46:301
2953999200,19cyclictest0-21swapper/122:57:391
2953999200,19cyclictest0-21swapper/120:39:221
2953999200,19cyclictest0-21swapper/119:24:301
2953999200,18cyclictest7548-21sensors00:00:291
29534992018,1cyclictest749-21snmpd22:24:200
29534992018,1cyclictest749-21snmpd20:46:310
2953499200,1cyclictest0-21swapper/019:30:160
29543991917,2cyclictest0-21swapper/222:55:162
29543991915,3cyclictest0-21swapper/222:22:062
29543991915,3cyclictest0-21swapper/222:15:512
2954399190,18cyclictest0-21swapper/222:52:172
29539991917,2cyclictest0-21swapper/123:45:011
29539991916,3cyclictest0-21swapper/121:47:231
2953999190,2cyclictest0-21swapper/123:59:231
2953999190,18cyclictest0-21swapper/121:58:041
29534991917,1cyclictest749-21snmpd23:59:230
29534991917,1cyclictest749-21snmpd23:42:400
29534991917,1cyclictest749-21snmpd22:41:450
29534991917,1cyclictest749-21snmpd22:32:420
29534991917,1cyclictest749-21snmpd20:23:490
29534991917,1cyclictest749-21snmpd00:29:080
29539991816,2cyclictest0-21swapper/122:51:391
29539991816,1cyclictest22195-21awk21:25:001
29539991815,3cyclictest0-21swapper/119:15:081
29539991815,3cyclictest0-21swapper/100:34:321
29539991814,3cyclictest0-21swapper/120:05:451
2953999180,17cyclictest0-21swapper/123:39:431
29534991816,1cyclictest749-21snmpd23:29:000
29534991816,1cyclictest749-21snmpd21:50:110
29534991816,1cyclictest749-21snmpd21:28:530
29534991816,1cyclictest749-21snmpd20:28:420
29534991816,1cyclictest749-21snmpd19:25:290
29534991816,1cyclictest749-21snmpd19:24:290
29534991816,1cyclictest749-21snmpd00:00:290
29539991714,3cyclictest0-21swapper/122:45:161
29539991714,3cyclictest0-21swapper/122:02:271
29539991714,3cyclictest0-21swapper/100:08:171
29534991715,1cyclictest749-21snmpd23:24:130
29534991715,1cyclictest749-21snmpd22:57:390
29534991715,1cyclictest749-21snmpd22:07:170
29534991715,1cyclictest749-21snmpd21:04:010
29534991715,1cyclictest749-21snmpd20:37:160
29534991715,1cyclictest749-21snmpd20:12:070
29534991715,1cyclictest749-21snmpd20:06:150
29534991715,1cyclictest749-21snmpd00:35:050
29534991715,1cyclictest749-21snmpd00:16:560
29534991714,2cyclictest749-21snmpd22:47:530
2953499170,11cyclictest0-21swapper/019:50:470
29539991614,2cyclictest0-21swapper/123:32:341
29539991614,2cyclictest0-21swapper/121:37:351
29539991614,2cyclictest0-21swapper/121:04:551
29539991613,3cyclictest0-21swapper/120:58:001
29539991613,3cyclictest0-21swapper/119:10:121
29539991613,2cyclictest749-21snmpd19:35:171
29534991614,1cyclictest749-21snmpd23:45:010
29534991614,1cyclictest749-21snmpd23:39:310
29534991614,1cyclictest749-21snmpd22:50:180
29534991614,1cyclictest749-21snmpd22:27:180
29534991614,1cyclictest749-21snmpd22:03:510
29534991614,1cyclictest749-21snmpd21:58:040
29534991614,1cyclictest749-21snmpd19:38:590
29534991614,1cyclictest0-21swapper/023:00:220
29539991513,2cyclictest0-21swapper/122:11:171
29539991513,2cyclictest0-21swapper/121:31:491
29539991513,2cyclictest0-21swapper/100:12:501
29539991513,1cyclictest749-21snmpd22:38:321
29539991512,2cyclictest0-21swapper/123:16:281
29534991513,1cyclictest749-21snmpd19:16:410
29534991512,1cyclictest22186-21sadc21:25:010
29534991512,1cyclictest22186-21sadc21:25:000
29534991511,3cyclictest0-21swapper/021:45:320
29539991411,3cyclictest0-21swapper/100:23:021
29539991411,2cyclictest0-21swapper/121:13:341
29539991411,2cyclictest0-21swapper/120:03:211
2953999131,10cyclictest28666-21users23:50:251
29534991311,1cyclictest749-21snmpd00:34:330
2953499131,10cyclictest9138-21perl20:15:140
2953499130,11cyclictest0-21swapper/023:30:180
2953499130,11cyclictest0-21swapper/022:35:130
2953999129,3cyclictest0-21swapper/123:10:071
2953999128,4cyclictest0-21swapper/121:05:191
2953999128,3cyclictest0-21swapper/121:40:111
2953999128,2cyclictest7144-21sadc19:45:001
29539991210,2cyclictest0-21swapper/119:53:171
2953999120,11cyclictest0-21swapper/120:50:241
2953999120,11cyclictest0-21swapper/120:40:211
29534991210,1cyclictest749-21snmpd21:37:350
29534991210,1cyclictest749-21snmpd00:08:170
2953499120,11cyclictest0-21swapper/023:50:230
2953499120,11cyclictest0-21swapper/023:16:420
2953499120,11cyclictest0-21swapper/021:30:130
2953499120,11cyclictest0-21swapper/000:10:080
2953499120,10cyclictest0-21swapper/020:00:120
2953999118,3cyclictest0-21swapper/123:05:231
2953999118,3cyclictest0-21swapper/122:25:451
2953999111,9cyclictest0-21swapper/122:18:301
2953999111,4cyclictest0-21swapper/119:55:181
2953999110,10cyclictest0-21swapper/121:15:171
2953999110,10cyclictest0-21swapper/120:32:421
2953499119,1cyclictest749-21snmpd22:10:210
2953499119,1cyclictest749-21snmpd19:10:120
2953499110,9cyclictest5617-21/usr/sbin/munin21:10:220
2953499110,9cyclictest0-21swapper/022:15:170
2953499110,1cyclictest0-21swapper/023:10:120
2953499110,10cyclictest0-21swapper/021:15:180
2953499110,10cyclictest0-21swapper/021:05:220
2953499110,10cyclictest0-21swapper/020:40:120
2953999108,1cyclictest749-21snmpd19:45:121
2953999106,2cyclictest13876-21sendmail20:20:001
2953499103,2cyclictest0-21swapper/019:40:140
2953499100,9cyclictest0-21swapper/023:05:110
2953499100,9cyclictest0-21swapper/020:55:110
2953499100,9cyclictest0-21swapper/019:45:120
142472100,2sleep30-21swapper/300:12:353
295349990,8cyclictest0-21swapper/020:30:110
24727290,2sleep30-21swapper/320:25:373
10906292,4sleep30-21swapper/323:10:123
8077281,4sleep30-21swapper/320:12:353
7062280,2sleep30-21swapper/319:44:073
3613280,2sleep30-21swapper/322:33:123
32453281,4sleep30-21swapper/321:05:143
295349986,1cyclictest749-21snmpd21:40:520
29311280,2sleep30-21swapper/320:02:303
28865284,3sleep30-21swapper/323:52:493
28578280,5sleep30-21swapper/321:55:233
27510280,2sleep30-21swapper/321:26:403
27228280,2sleep30-21swapper/323:22:423
26435280,2sleep30-21swapper/320:58:293
24902280,2sleep30-21swapper/322:23:473
23513283,3sleep30-21swapper/321:52:273
2345280,2sleep30-21swapper/320:05:503
18863281,4sleep30-21swapper/323:45:163
18020280,2sleep30-21swapper/319:51:253
17724280,2sleep30-21swapper/323:44:283
16606281,4sleep30-21swapper/323:15:133
14186281,4sleep30-21swapper/320:45:223
12676280,3sleep312827-21awk22:10:213
10831280,2sleep30-21swapper/321:13:153
10631280,5sleep30-21swapper/322:40:163
10223280,2sleep30-21swapper/319:16:283
8935272,2sleep39259-21grep20:15:163
7911273,3sleep30-21swapper/300:00:463
29819271,4sleep30-21swapper/322:25:223
29353271,3sleep30-21swapper/323:55:013
27946271,3sleep30-21swapper/319:30:343
22117271,5sleep30-21swapper/321:24:203
22117271,5sleep30-21swapper/321:24:193
17837274,2sleep30-21swapper/321:46:573
7861262,3sleep30-21swapper/322:06:093
7370261,2sleep37374-21apt-get19:45:113
5266261,2sleep35270-21apt-get23:05:103
5100261,2sleep30-21swapper/320:40:193
4503260,3sleep30-21swapper/322:35:163
32103261,2sleep30-21swapper/323:00:113
31874261,2sleep30-21swapper/300:30:133
31319261,2sleep331494-21cut20:35:133
26908261,2sleep30-21swapper/322:55:143
25379261,2sleep30-21swapper/320:30:143
2393260,5sleep30-21swapper/322:02:473
2367260,4sleep30-21swapper/319:11:193
22082261,4sleep30-21swapper/319:26:053
21723261,3sleep30-21swapper/322:50:183
19198260,5sleep30-21swapper/320:21:323
15722260,3sleep30-21swapper/320:50:163
14996261,2sleep30-21swapper/322:15:183
8683251,2sleep30-21swapper/300:07:513
7709251,2sleep30-21swapper/321:40:183
6879250,3sleep30-21swapper/323:35:153
6039251,3sleep30-21swapper/323:32:473
4826250,2sleep35052-21diskstats00:35:143
31865250,4sleep30-21swapper/321:00:323
28015250,2sleep30-21swapper/321:30:133
26596250,3sleep30-21swapper/300:25:173
25603251,3sleep30-21swapper/300:24:413
18703250,3sleep30-21swapper/319:55:133
16241250,2sleep316563-21irqstats22:45:173
14881250,2sleep30-21swapper/300:15:163
1326251,3sleep30-21swapper/319:37:393
1160251,3sleep30-21swapper/321:35:043
11573250,2sleep311891-21smartctl19:20:163
32132240,2sleep332194-21grep23:25:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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