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2026-08-30 - 07:18
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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 376 highest latencies:
System rackaslot0.osadl.org (updated Sun Aug 30, 2026 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
51062890,0sleep15107-21sshd23:28:581
301502870,0sleep20-21swapper/200:17:342
137612800,0sleep313760-21munin-node22:20:173
142672630,1sleep00-21swapper/000:13:150
32762560,5sleep03-21ksoftirqd/022:01:550
294952550,0sleep00-21swapper/000:02:580
193472550,0sleep17020-21diskmemload23:59:101
152692550,1sleep339-21ksoftirqd/321:30:583
258762540,2sleep11431699cyclictest22:32:571
149132540,0sleep30-21swapper/322:49:213
108092540,0sleep20-21swapper/223:58:232
253212530,0sleep20-21swapper/223:53:552
233082520,0sleep30-21swapper/321:14:183
162412520,0sleep216240-21bash00:10:252
1391725227,21sleep20-21swapper/219:08:102
1373025230,19sleep00-21swapper/019:05:570
37362510,1sleep03723-21sshd21:35:430
226192510,1sleep222601-21sshd22:03:422
87522500,0sleep10-21swapper/121:27:311
1402825037,9sleep30-21swapper/319:09:373
1370625028,19sleep10-21swapper/119:05:371
69472490,0sleep30-21swapper/321:53:333
326112490,1sleep332610-21sshd00:29:253
221632490,0sleep20-21swapper/222:12:192
109162490,0sleep010918-21sshd21:56:470
150722460,0sleep10-21swapper/122:17:301
50072450,0sleep00-21swapper/022:42:370
269582440,0sleep00-21swapper/022:35:520
323692430,0sleep30-21swapper/322:13:173
16512290,1sleep20-21swapper/223:28:382
1431899260,25cyclictest0-21swapper/321:58:243
14316992321,1cyclictest4093-21sshd21:41:371
14318992220,1cyclictest0-21swapper/300:17:583
14316992220,1cyclictest16879-21sshd21:13:441
1431899210,1cyclictest0-21swapper/323:49:223
14316992119,1cyclictest17535-21sshd23:32:551
280982200,0sleep028087-21sshd23:10:380
14316992018,1cyclictest29880-21sshd00:20:221
1431699200,19cyclictest9951-21sshd00:36:001
1431599200,1cyclictest22092-21sshd00:08:080
1431899190,1cyclictest0-21swapper/323:31:413
1431899190,1cyclictest0-21swapper/300:10:443
14315991917,1cyclictest17055-21bash21:42:480
266702180,0sleep3381ktimersoftd/322:59:033
1431899187,6cyclictest16550-21sshd22:40:423
1431899181,9cyclictest126750irq/25-eth000:35:203
1431899180,1cyclictest32337-21id23:19:503
1431899180,1cyclictest28964-21sshd22:01:183
1431899180,1cyclictest26490-21munin-node21:20:203
1431899180,1cyclictest18919-21sshd22:26:323
1431899180,1cyclictest0-21swapper/323:55:213
1431899180,1cyclictest0-21swapper/300:32:513
1431899180,10cyclictest4261-21sshd21:38:453
1431599189,8cyclictest0-21swapper/021:12:320
1431599189,6cyclictest0-21swapper/021:18:150
1431599180,1cyclictest0-21swapper/022:21:020
1431599180,15cyclictest0-21swapper/021:21:440
1431899172,14cyclictest8929-21bash00:21:253
14318991716,1cyclictest0-21swapper/321:25:583
1431899170,2cyclictest7376-21bash23:26:113
1431899170,2cyclictest6349-21sshd00:09:403
1431899170,1cyclictest5536-21bash22:51:193
1431899170,1cyclictest22701-21munin-node22:15:183
1431899170,1cyclictest0-21swapper/323:23:583
1431899170,1cyclictest0-21swapper/323:13:573
1431899170,16cyclictest0-21swapper/300:02:403
1431899170,10cyclictest24344-21sshd21:49:193
14317991714,2cyclictest25987-21sshd21:20:202
1431799170,16cyclictest0-21swapper/222:21:402
1431599178,8cyclictest0-21swapper/023:03:100
1431599174,12cyclictest18896-21kworker/0:223:46:490
40902160,1sleep34092-21timerandwakeup21:15:233
40282160,2sleep04007-21sshd22:28:070
1431899161,14cyclictest19456-21sshd22:35:153
1431899160,2cyclictest7550-21sshd22:05:153
1431899160,2cyclictest28049-21sshd23:36:433
1431899160,2cyclictest0-21swapper/323:00:413
1431899160,15cyclictest11416-21sshd22:31:383
1431899160,15cyclictest1057-21sshd23:51:423
1431899160,15cyclictest10302-21sshd23:06:103
1431899160,15cyclictest0-21swapper/323:40:213
1431899160,15cyclictest0-21swapper/321:40:353
14317991612,1cyclictest30-21ksoftirqd/222:06:102
14316991615,1cyclictest7186-21sshd23:03:041
14316991614,1cyclictest0-21swapper/100:32:351
1431599169,6cyclictest18768-21sshd22:49:420
1431599169,6cyclictest126750irq/25-eth000:27:270
1431599168,6cyclictest16271-21sshd00:36:350
1431599165,8cyclictest3605-21kworker/0:322:14:490
14315991615,1cyclictest0-21swapper/000:34:580
1431599160,6cyclictest0-21swapper/021:53:350
1431599160,15cyclictest0-21swapper/023:34:090
197682150,0sleep20-21swapper/200:31:052
1431899151,1cyclictest0-21swapper/319:20:113
1431899150,2cyclictest1367-21grep20:55:193
1431899150,14cyclictest23886-21users19:25:233
1431799155,9cyclictest30-21ksoftirqd/223:38:032
1431799155,1cyclictest30-21ksoftirqd/223:45:212
14317991513,1cyclictest30-21ksoftirqd/221:47:572
1431699159,5cyclictest0-21swapper/121:51:381
14316991513,1cyclictest2219-21sshd22:01:491
1431699150,14cyclictest31183-21sshd23:42:481
1431699150,12cyclictest0-21swapper/121:31:501
1431599159,4cyclictest0-21swapper/022:17:130
1431599158,6cyclictest0-21swapper/023:41:030
1431599158,4cyclictest0-21swapper/023:16:270
1431599157,7cyclictest9933-21sshd23:23:340
1431599150,14cyclictest2171-21sshd22:53:590
1431599150,14cyclictest0-21swapper/022:33:170
1431599150,11cyclictest13394-21sshd23:06:280
294222140,1sleep129419-21bash22:56:211
1431899148,5cyclictest2892-21ntp_states19:50:203
1431899140,9cyclictest6382-21apache_accesses20:00:103
1431899140,1cyclictest29039-21latency_hist19:40:003
1431899140,1cyclictest10044-21ntpq20:05:203
1431899140,1cyclictest10044-21ntpq20:05:203
1431899140,1cyclictest0-21swapper/320:50:133
1431899140,1cyclictest0-21swapper/320:33:083
1431899140,13cyclictest0-21swapper/320:20:203
1431799149,4cyclictest0-21swapper/222:42:442
1431799144,9cyclictest30-21ksoftirqd/221:12:072
1431799144,1cyclictest30-21ksoftirqd/222:32:342
1431799144,1cyclictest30-21ksoftirqd/221:32:482
14317991413,1cyclictest30-21ksoftirqd/223:32:352
14317991413,1cyclictest30-21ksoftirqd/223:04:512
14317991412,1cyclictest30-21ksoftirqd/223:18:552
14317991412,1cyclictest30-21ksoftirqd/222:56:402
14317991412,1cyclictest30-21ksoftirqd/222:17:352
14317991412,1cyclictest30-21ksoftirqd/221:55:132
14317991412,1cyclictest30-21ksoftirqd/200:38:512
14317991411,1cyclictest13372-21kworker/2:219:31:472
1431799140,13cyclictest0-21swapper/222:48:102
1431799140,13cyclictest0-21swapper/221:36:102
1431799140,13cyclictest0-21swapper/200:25:152
1431799140,13cyclictest0-21swapper/200:06:042
1431699149,4cyclictest0-21swapper/122:14:121
1431699144,9cyclictest30197-21sshd22:27:331
1431699140,1cyclictest126750irq/25-eth022:43:091
1431599148,3cyclictest0-21swapper/023:38:180
1431599148,1cyclictest23293-21sshd00:16:550
1431599140,9cyclictest17221-21cp23:53:100
1431599140,1cyclictest0-21swapper/021:47:020
1431599140,1cyclictest0-21swapper/021:26:260
1431599140,13cyclictest0-21swapper/000:24:490
1431599140,12cyclictest0-21swapper/022:06:150
1431599140,11cyclictest23820-21sshd21:34:450
1431599140,11cyclictest0-21swapper/023:28:520
31432130,2sleep10-21swapper/123:22:571
1431899135,7cyclictest30172-21munin-node19:40:173
1431899131,11cyclictest0-21swapper/320:35:183
1431799139,3cyclictest0-21swapper/223:40:472
1431799139,1cyclictest126750irq/25-eth021:27:312
1431799138,2cyclictest0-21swapper/222:52:552
1431799133,9cyclictest28-21rcuc/221:50:402
1431799133,1cyclictest30-21ksoftirqd/223:23:572
1431799131,1cyclictest1707-21sshd21:18:172
14317991310,2cyclictest30-21ksoftirqd/223:05:142
1431799130,4cyclictest0-21swapper/200:00:022
1431799130,2cyclictest0-21swapper/200:20:302
1431799130,12cyclictest291ktimersoftd/222:25:182
1431799130,12cyclictest28528-21fw_conntrack20:45:142
1431799130,12cyclictest18527-21expr22:35:132
1431799130,12cyclictest0-21swapper/223:12:012
1431699139,1cyclictest3017-21sshd00:12:131
1431699139,1cyclictest0-21swapper/122:51:491
1431699138,2cyclictest22131-21sshd23:07:161
1431699138,2cyclictest1707-21sshd00:09:071
1431699133,9cyclictest29155-21id21:20:331
1431699131,11cyclictest0-21swapper/123:39:551
1431699131,11cyclictest0-21swapper/122:20:491
1431699131,11cyclictest0-21swapper/121:18:351
1431699131,11cyclictest0-21swapper/120:15:131
1431699131,11cyclictest0-21swapper/119:15:111
1431699130,4cyclictest27642-21sshd22:38:541
1431699130,12cyclictest11234-21sshd00:18:481
1431699130,12cyclictest0-21swapper/123:54:311
1431699130,12cyclictest0-21swapper/123:45:231
1431699130,12cyclictest0-21swapper/122:09:481
1431699130,12cyclictest0-21swapper/121:48:441
1431699130,12cyclictest0-21swapper/121:37:171
1431699130,12cyclictest0-21swapper/100:28:321
1431599138,4cyclictest6128-21sshd23:55:050
1431599135,6cyclictest29681-21kworker/0:120:56:060
1431599134,7cyclictest27267-21kworker/0:020:42:290
1431599134,6cyclictest5986-21kworker/0:220:20:110
1431599130,13cyclictest23807-21sshd22:55:490
1431599130,12cyclictest23668-21cut20:35:130
1431899129,2cyclictest0-21swapper/321:00:203
1431899129,2cyclictest0-21swapper/320:10:173
1431899129,2cyclictest0-21swapper/319:45:143
1431899129,2cyclictest0-21swapper/319:10:153
1431899121,2cyclictest0-21swapper/319:55:133
1431799129,2cyclictest0-21swapper/221:05:132
1431799129,2cyclictest0-21swapper/220:30:142
1431799129,2cyclictest0-21swapper/219:55:142
1431799129,2cyclictest0-21swapper/219:40:122
1431799129,2cyclictest0-21swapper/219:35:192
1431799129,2cyclictest0-21swapper/219:15:162
14317991211,0cyclictest13372-21kworker/2:220:00:552
1431799121,10cyclictest0-21swapper/221:40:212
14317991210,2cyclictest13372-21kworker/2:219:26:252
1431699129,2cyclictest0-21swapper/123:10:051
1431699129,2cyclictest0-21swapper/121:55:181
1431699129,2cyclictest0-21swapper/120:50:171
1431699129,2cyclictest0-21swapper/120:40:121
1431699129,2cyclictest0-21swapper/120:20:141
1431699129,2cyclictest0-21swapper/120:05:151
1431699129,2cyclictest0-21swapper/120:05:151
1431699129,2cyclictest0-21swapper/119:45:121
1431699129,2cyclictest0-21swapper/119:35:141
1431699129,2cyclictest0-21swapper/119:25:181
1431699121,2cyclictest0-21swapper/120:25:181
1431699121,2cyclictest0-21swapper/119:40:201
1431699121,10cyclictest0-21swapper/121:00:131
1431699121,10cyclictest0-21swapper/120:10:221
1431699121,10cyclictest0-21swapper/120:00:101
1431699120,1cyclictest3177-21sshd22:45:211
1431699120,1cyclictest0-21swapper/123:16:461
1431699120,12cyclictest4954-21sshd00:00:411
1431699120,11cyclictest0-21swapper/119:30:211
1431599129,2cyclictest0-21swapper/020:15:140
1431599129,2cyclictest0-21swapper/019:45:140
1431599129,2cyclictest0-21swapper/019:25:130
1431599128,3cyclictest0-21swapper/019:15:020
1431599125,6cyclictest0-21swapper/021:05:120
1431599125,5cyclictest5986-21kworker/0:220:01:190
1431599121,2cyclictest0-21swapper/020:10:110
1431599121,2cyclictest0-21swapper/019:55:110
1431599121,2cyclictest0-21swapper/019:10:130
14315991211,1cyclictest0-21swapper/019:31:170
1431599121,10cyclictest0-21swapper/021:00:110
1431599120,11cyclictest0-21swapper/020:30:140
1431599120,11cyclictest0-21swapper/019:50:170
1431899110,7cyclictest19583-21cat19:20:003
1431899110,2cyclictest27753-21apache_processe20:45:123
1431899110,2cyclictest0-21swapper/320:40:143
1431899110,10cyclictest25173-21perl19:30:163
1431899110,10cyclictest0-21swapper/321:05:123
1431899110,10cyclictest0-21swapper/320:25:113
1431899110,10cyclictest0-21swapper/320:15:193
1431799119,1cyclictest30802-21fschecks_time20:50:152
1431799112,9cyclictest30-21ksoftirqd/220:35:182
1431799111,9cyclictest0-21swapper/220:20:122
1431799111,1cyclictest0-21swapper/219:45:152
14317991110,1cyclictest13372-21kworker/2:220:18:262
14317991110,1cyclictest13372-21kworker/2:219:14:072
1431799110,2cyclictest0-21swapper/220:05:132
1431799110,2cyclictest0-21swapper/220:05:122
1431799110,11cyclictest0-21swapper/220:59:392
1431799110,10cyclictest0-21swapper/220:40:092
1431799110,10cyclictest0-21swapper/220:25:152
1431799110,10cyclictest0-21swapper/219:50:212
1431699119,2cyclictest0-21swapper/119:50:141
1431699119,1cyclictest0-21swapper/121:05:161
1431699110,10cyclictest0-21swapper/120:55:091
1431699110,10cyclictest0-21swapper/120:45:191
1431699110,10cyclictest0-21swapper/119:55:111
1431599118,2cyclictest0-21swapper/020:45:150
1431599116,5cyclictest0-21swapper/020:50:110
1431599116,2cyclictest0-21swapper/020:25:110
1431599114,3cyclictest26190-21kworker/0:119:44:550
1431599112,4cyclictest19765-21kworker/0:019:20:590
1431599110,2cyclictest0-21swapper/019:35:130
1431799108,1cyclictest291ktimersoftd/219:20:132
1431799100,9cyclictest0-21swapper/220:10:142
1431799100,1cyclictest3494-21memory21:00:182
1431699108,1cyclictest20645-21apache_processe20:30:121
1431699108,1cyclictest20561-21hddtemp_smartct19:20:151
1431699100,9cyclictest14751-21df_abs19:10:131
1431699100,1cyclictest23330-21expr20:35:101
1431599105,3cyclictest5986-21kworker/0:220:05:090
1431599105,3cyclictest5986-21kworker/0:220:05:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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