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2026-05-15 - 01:53
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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 792 highest latencies:
System rack1slot3.osadl.org (updated Fri May 15, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127493899130,11cyclictest0-21swapper/323:40:133
127493899130,11cyclictest0-21swapper/323:40:123
127493899120,1cyclictest0-21swapper/320:20:003
127493899120,11cyclictest0-21swapper/323:25:133
127493899120,11cyclictest0-21swapper/323:00:013
127493899120,11cyclictest0-21swapper/320:30:213
127493899120,10cyclictest0-21swapper/300:05:143
127493899119,0cyclictest0-21swapper/321:35:143
1274938991111,0cyclictest0-21swapper/319:40:183
1274938991110,0cyclictest0-21swapper/321:20:123
1274938991110,0cyclictest0-21swapper/300:00:103
127493899110,10cyclictest0-21swapper/323:25:013
127493899110,10cyclictest0-21swapper/321:40:113
127493899110,10cyclictest0-21swapper/320:40:163
127493899110,10cyclictest0-21swapper/320:00:183
127493899110,10cyclictest0-21swapper/300:35:013
127493899110,0cyclictest0-21swapper/321:25:123
127493899107,2cyclictest0-21swapper/322:00:123
1274938991010,0cyclictest0-21swapper/323:50:183
1274938991010,0cyclictest0-21swapper/319:55:023
1274938991010,0cyclictest0-21swapper/300:35:153
1274938991010,0cyclictest0-21swapper/300:00:003
127493899100,9cyclictest0-21swapper/323:45:183
127493899100,9cyclictest0-21swapper/320:10:153
127493899100,9cyclictest0-21swapper/319:35:013
127493899100,10cyclictest1339960-21turbostat21:59:563
127493899100,0cyclictest0-21swapper/323:10:173
127493899100,0cyclictest0-21swapper/322:35:203
127493899100,0cyclictest0-21swapper/322:30:123
127493899100,0cyclictest0-21swapper/322:25:093
127493899100,0cyclictest0-21swapper/300:15:183
12749389999,0cyclictest0-21swapper/322:50:183
12749389999,0cyclictest0-21swapper/319:45:113
12749389999,0cyclictest0-21swapper/319:20:103
12749389998,0cyclictest0-21swapper/323:05:113
12749389998,0cyclictest0-21swapper/321:50:003
12749389998,0cyclictest0-21swapper/319:25:163
12749389990,8cyclictest0-21swapper/323:20:013
12749389990,0cyclictest0-21swapper/322:10:003
1274608291,5sleep30-21swapper/319:07:423
12749389988,0cyclictest0-21swapper/321:15:143
12749389988,0cyclictest0-21swapper/321:10:133
12749389988,0cyclictest0-21swapper/320:35:183
12749389988,0cyclictest0-21swapper/319:20:013
12749389988,0cyclictest0-21swapper/300:20:023
12749389985,1cyclictest0-21swapper/323:35:133
12749389977,0cyclictest0-21swapper/320:20:113
12749389977,0cyclictest0-21swapper/319:30:123
12749389976,0cyclictest0-21swapper/322:05:133
12749389976,0cyclictest0-21swapper/321:30:133
12749389976,0cyclictest0-21swapper/320:25:093
12749389966,0cyclictest0-21swapper/323:30:163
12749389966,0cyclictest0-21swapper/322:45:153
12749389966,0cyclictest0-21swapper/322:40:123
12749389966,0cyclictest0-21swapper/322:20:113
12749389960,5cyclictest0-21swapper/320:45:173
1273154260,4sleep11273274-21aten2.4-expect19:05:131
12749389954,0cyclictest0-21swapper/323:00:183
12749389954,0cyclictest0-21swapper/322:15:013
12749389954,0cyclictest0-21swapper/321:05:523
12749389953,1cyclictest0-21swapper/300:26:323
12749389951,2cyclictest0-21swapper/319:50:123
1274492251,2sleep20-21swapper/219:06:142
12749389944,0cyclictest0-21swapper/321:50:113
12749389944,0cyclictest0-21swapper/300:10:193
12749389943,0cyclictest0-21swapper/320:50:123
12749389940,4cyclictest0-21swapper/321:00:013
12749389940,3cyclictest1298156-21chrt20:08:103
12749389940,2cyclictest0-21swapper/321:00:123
12749389940,2cyclictest0-21swapper/319:10:123
1398971230,2sleep21398990-21/usr/sbin/munin00:15:022
1381170230,2sleep01381421-21users23:30:210
1355987230,2sleep21356168-21sort22:30:192
1351410230,2sleep20-21swapper/222:20:142
1348294230,2sleep11348636-21latency_hist22:15:011
1336842230,2sleep21336042-21/usr/sbin/munin21:45:192
1317019230,2sleep01317268-21sed20:55:180
1288971230,1sleep11288997-21apt-get19:45:121
1283216230,1sleep11283242-21apt-get19:30:111
1274103231,0sleep00-21swapper/019:05:200
1401681221,0sleep21401896-21cpuspeed_turbos00:20:132
1383903220,0sleep00-21swapper/023:38:520
1382236220,1sleep10-21swapper/123:35:141
1369696220,0sleep10-21swapper/123:05:121
1369442220,1sleep21-21systemd23:05:012
1365512220,1sleep21365567-21telnet22:55:132
1342825220,1sleep10-21swapper/122:00:151
1340200220,1sleep11340226-21apt-get21:55:121
1336196220,1sleep11336042-21/usr/sbin/munin21:45:151
1332561220,1sleep11332662-21awk21:35:181
1328460220,1sleep01328610-21ntp_states21:25:170
1323818220,0sleep21323844-21apt-get21:15:142
1319638220,0sleep00-21swapper/021:04:560
1319632220,0sleep10-21swapper/121:04:531
1310693220,1sleep01310773-21idleruntime20:40:130
1304561220,1sleep11304587-21apt-get20:25:101
1303502220,1sleep01303619-21python320:20:170
1290635220,1sleep21290640-21cron19:50:002
1277459220,1sleep20-21swapper/219:15:112
1276751220,1sleep0328-21plymouthd19:15:000
1407835210,0sleep20-21swapper/200:35:152
1407578210,0sleep00-21swapper/000:35:000
1407452210,0sleep10-21swapper/100:33:541
1407433210,1sleep00-21swapper/000:33:450
1405502210,0sleep20-21swapper/200:30:032
1405387210,0sleep20-21swapper/200:29:032
1404868210,0sleep10-21swapper/100:25:211
1403659210,1sleep00-21swapper/000:25:040
1402632210,0sleep00-21swapper/000:20:200
1402173210,0sleep10-21swapper/100:20:161
1400392210,0sleep10-21swapper/100:15:211
1399657210,0sleep00-21swapper/000:15:160
1399265210,0sleep20-21swapper/200:15:142
1398959210,0sleep10-21swapper/100:14:571
1397519210,0sleep00-21swapper/000:10:140
1395747210,0sleep10-21swapper/100:05:201
1395566210,0sleep00-21swapper/000:05:190
1395201210,0sleep20-21swapper/200:05:172
1392976210,0sleep00-21swapper/000:00:110
1391022210,0sleep10-21swapper/123:55:141
1390897210,0sleep00-21swapper/023:55:130
1390280210,0sleep20-21swapper/223:52:042
1390255210,0sleep10-21swapper/123:51:511
1388534210,0sleep00-21swapper/023:50:020
1387633210,0sleep20-21swapper/223:45:202
1387498210,0sleep10-21swapper/123:45:191
1387400211,0sleep0241rcuc/023:45:180
1385977210,0sleep20-21swapper/223:41:162
1385977210,0sleep20-21swapper/223:41:152
1385882210,0sleep00-21swapper/023:40:260
1385882210,0sleep00-21swapper/023:40:260
1384170210,0sleep10-21swapper/123:40:021
1384170210,0sleep10-21swapper/123:40:011
1380884210,0sleep20-21swapper/223:30:192
1379859210,0sleep00-21swapper/023:29:570
1379465210,0sleep20-21swapper/223:26:272
1377793210,0sleep10-21swapper/123:25:021
1377566210,0sleep20-21swapper/223:23:022
1376643210,0sleep10-21swapper/123:20:161
1375961210,1sleep00-21swapper/023:20:110
1375498210,0sleep10-21swapper/123:18:211
1375322210,0sleep20-21swapper/223:16:502
1373092210,0sleep10-21swapper/123:10:291
1372556210,0sleep20-21swapper/223:10:222
1372291210,0sleep00-21swapper/023:10:200
1370313210,0sleep20-21swapper/223:05:162
1368923210,0sleep00-21swapper/023:00:230
1367105210,0sleep10-21swapper/122:57:561
1365697210,0sleep00-21swapper/022:55:140
1364254210,0sleep10-21swapper/122:50:191
1363874210,0sleep20-21swapper/222:50:162
1363495210,0sleep00-21swapper/022:50:140
1362877210,1sleep10-21swapper/122:47:191
1361967210,0sleep00-21swapper/022:45:180
1361728210,0sleep20-21swapper/222:45:162
1361007210,0sleep00-21swapper/022:44:130
1360279210,0sleep20-21swapper/222:40:192
1358215210,0sleep00-21swapper/022:35:210
1357967210,0sleep20-21swapper/222:35:192
1357900210,0sleep10-21swapper/122:35:181
1355108210,0sleep01355220-21cut22:30:130
1353614210,0sleep20-21swapper/222:25:142
1353413210,0sleep00-21swapper/022:25:130
1352747210,0sleep10-21swapper/122:25:021
1351338210,0sleep10-21swapper/122:20:131
1351040210,0sleep00-21swapper/022:20:120
1349553210,0sleep10-21swapper/122:15:171
1349339210,0sleep00-21swapper/022:15:150
1346909210,0sleep00-21swapper/022:10:160
1346527210,0sleep20-21swapper/222:10:142
1345431210,0sleep00-21swapper/022:05:200
1343609210,0sleep20-21swapper/222:00:202
1342786210,0sleep00-21swapper/022:00:150
1341672210,0sleep20-21swapper/221:56:532
1340628210,0sleep00-21swapper/021:55:150
1339799210,1sleep00-21swapper/021:53:430
1339625210,0sleep20-21swapper/221:52:092
1338490210,0sleep10-21swapper/121:50:161
1337739210,0sleep00-21swapper/021:48:540
1334477210,0sleep20-21swapper/221:40:162
1334329210,0sleep00-21swapper/021:40:140
1332067210,0sleep20-21swapper/221:35:162
1331629210,0sleep00-21swapper/021:35:010
1330654210,0sleep20-21swapper/221:30:192
1329895210,0sleep00-21swapper/021:30:130
1328265210,0sleep20-21swapper/221:25:152
1327967210,0sleep10-21swapper/121:25:141
1327175210,0sleep00-21swapper/021:20:410
1326647210,0sleep20-21swapper/221:20:182
1325911210,0sleep10-21swapper/121:20:131
1324713210,0sleep10-21swapper/121:15:211
1323806210,1sleep00-21swapper/021:15:040
1323222210,0sleep20-21swapper/221:11:382
1322256210,0sleep10-21swapper/121:10:171
1321231210,0sleep10-21swapper/121:05:531
1321089210,0sleep00-21swapper/021:05:200
1316108210,0sleep20-21swapper/220:55:132
1314583210,0sleep00-21swapper/020:50:150
1313892210,0sleep20-21swapper/220:50:012
1313120210,0sleep01313271-21grep20:45:190
1312228210,0sleep10-21swapper/120:45:121
1310933210,0sleep20-21swapper/220:40:152
1309579210,0sleep00-21swapper/020:35:220
1309173210,0sleep10-21swapper/120:35:191
1308812210,0sleep20-21swapper/220:35:162
1306628210,0sleep00-21swapper/020:30:140
1306474210,0sleep20-21swapper/220:30:122
1305271210,0sleep20-21swapper/220:25:142
1303893210,0sleep20-21swapper/220:20:192
1303620210,0sleep10-21swapper/120:20:181
1301514210,0sleep10-21swapper/120:15:181
1300777210,0sleep00-21swapper/020:15:120
1298899210,0sleep00-21swapper/020:10:120
1297489210,0sleep00-21swapper/020:05:200
1296011210,0sleep00-21swapper/020:00:200
1294784210,0sleep11294958-21cpuspeed20:00:121
1294090210,0sleep10-21swapper/119:55:211
1293923210,0sleep00-21swapper/019:55:200
1293569210,0sleep20-21swapper/219:55:182
1291315210,0sleep00-21swapper/019:50:140
1290922210,0sleep20-21swapper/219:50:132
1289402210,0sleep00-21swapper/019:45:150
1288105210,0sleep10-21swapper/119:40:201
1287063210,0sleep20-21swapper/219:40:132
1287055210,0sleep00-21swapper/019:40:070
1286559210,1sleep20-21swapper/219:37:002
1285556210,0sleep00-21swapper/019:35:130
1285128210,0sleep10-21swapper/119:35:101
1284515210,0sleep20-21swapper/219:30:202
1283642210,0sleep00-21swapper/019:30:140
1281728210,0sleep00-21swapper/019:25:140
1281332210,0sleep20-21swapper/219:25:122
1281303210,0sleep10-21swapper/119:25:111
1280436210,0sleep10-21swapper/119:20:181
1280010210,0sleep20-21swapper/219:20:142
1279128210,0sleep00-21swapper/019:20:010
1278350210,0sleep10-21swapper/119:15:181
1275520210,0sleep20-21swapper/219:10:152
1275275210,0sleep10-21swapper/119:10:131
1407815200,0sleep10-21swapper/100:35:011
1392964200,0sleep20-21swapper/200:00:052
1392963200,0sleep10-21swapper/100:00:041
1390852200,0sleep20-21swapper/223:55:042
1382190200,0sleep20-21swapper/223:35:032
1379871200,0sleep10-21swapper/123:30:021
1373839200,0sleep00-21swapper/023:15:040
1369677200,0sleep00-21swapper/023:05:030
1367599200,0sleep10-21swapper/123:00:041
1359250200,0sleep10-21swapper/122:40:021
1354857200,0sleep10-21swapper/122:30:021
1348638200,0sleep20-21swapper/222:15:022
1344370200,0sleep10-21swapper/122:05:041
1344134200,0sleep20-21swapper/222:05:012
1333939200,0sleep10-21swapper/121:40:031
1329852200,0sleep10-21swapper/121:30:021
1321795200,0sleep00-21swapper/021:10:040
1319808200,0sleep20-21swapper/221:05:012
1317713200,0sleep20-21swapper/221:00:012
1316039200,0sleep10-21swapper/120:55:041
1314129200,0sleep10-21swapper/120:50:041
1312219200,0sleep20-21swapper/220:45:052
1310307200,0sleep10-21swapper/120:40:021
1306463200,0sleep10-21swapper/120:30:031
1304317200,0sleep00-21swapper/020:25:010
1300706200,0sleep20-21swapper/220:15:032
1298796200,0sleep20-21swapper/220:10:022
1298431200,0sleep10-21swapper/120:10:011
1296622200,0sleep20-21swapper/220:05:022
1296388200,0sleep10-21swapper/120:05:011
1294710200,0sleep20-21swapper/220:00:012
1290872200,0sleep10-21swapper/119:50:041
1277451200,0sleep00-21swapper/019:15:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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