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2024-12-11 - 16:12
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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 highest latencies:
System rackeslot2.osadl.org (updated Wed Dec 11, 2024 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146467521080,2sleep20-21swapper/211:24:132
14301542840,2sleep30-21swapper/311:03:343
2500991440,1ptp4l0-21swapper/309:35:233
2500991360,1ptp4l0-21swapper/308:05:203
12222712330,2sleep30-21swapper/309:00:143
1085294992919,3cyclictest0-21swapper/109:35:001
2500991280,5ptp4l186990irq/129-enp1s0-TxRx-007:50:023
2500991270,1ptp4l186990irq/129-enp1s0-TxRx-009:41:193
1085294992717,3cyclictest1529725-21kthreadcore12:00:241
2500991260,4ptp4l186990irq/129-enp1s0-TxRx-009:28:363
2500991260,3ptp4l186990irq/129-enp1s0-TxRx-010:47:583
1085294992616,3cyclictest1516158-21cut11:55:021
108529399269,11cyclictest1416147-21cut10:55:260
2500991250,7ptp4l186990irq/129-enp1s0-TxRx-007:12:193
2500991250,5ptp4l186990irq/129-enp1s0-TxRx-012:33:403
2500991250,4ptp4l186990irq/129-enp1s0-TxRx-011:42:473
2500991250,3ptp4l186990irq/129-enp1s0-TxRx-010:34:553
2500991240,6ptp4l186990irq/129-enp1s0-TxRx-012:15:123
2500991240,5ptp4l186990irq/129-enp1s0-TxRx-012:20:253
2500991240,5ptp4l186990irq/129-enp1s0-TxRx-009:24:193
2500991240,5ptp4l186990irq/129-enp1s0-TxRx-009:24:193
2500991240,4ptp4l186990irq/129-enp1s0-TxRx-011:45:083
2500991240,4ptp4l186990irq/129-enp1s0-TxRx-011:27:053
2500991240,4ptp4l186990irq/129-enp1s0-TxRx-010:40:013
2500991240,4ptp4l186990irq/129-enp1s0-TxRx-009:20:023
2500991240,4ptp4l186990irq/129-enp1s0-TxRx-007:55:133
2500991240,2ptp4l0-21swapper/310:00:113
2500991240,2ptp4l0-21swapper/310:00:113
2500991240,2ptp4l0-21swapper/309:50:083
2500991240,1ptp4l0-21swapper/312:03:363
1085293992421,2cyclictest1250963-21apt-config09:19:590
1085293992417,6cyclictest1695-21dbus-daemon11:20:010
1085293992415,8cyclictest1388701-21aten2.4-expect10:40:150
1085293992412,8cyclictest0-21swapper/010:50:170
1085293992411,8cyclictest1186530-21irqcore08:30:160
2500991230,7ptp4l186990irq/129-enp1s0-TxRx-010:11:373
2500991230,5ptp4l186990irq/129-enp1s0-TxRx-012:28:123
2500991230,5ptp4l186990irq/129-enp1s0-TxRx-011:52:173
2500991230,5ptp4l186990irq/129-enp1s0-TxRx-010:25:123
2500991230,5ptp4l186990irq/129-enp1s0-TxRx-010:20:593
2500991230,5ptp4l186990irq/129-enp1s0-TxRx-009:10:093
2500991230,4ptp4l186990irq/129-enp1s0-TxRx-012:05:163
2500991230,4ptp4l186990irq/129-enp1s0-TxRx-011:07:143
2500991230,4ptp4l186990irq/129-enp1s0-TxRx-010:42:473
2500991230,4ptp4l186990irq/129-enp1s0-TxRx-008:45:013
2500991230,4ptp4l186990irq/129-enp1s0-TxRx-008:38:443
2500991230,2ptp4l0-21swapper/307:30:113
1085294992320,2cyclictest1696-1atopacctd10:15:011
1085294992320,2cyclictest1695-21dbus-daemon09:55:011
1085294992320,2cyclictest1695-21dbus-daemon07:45:011
1085294992319,2cyclictest1550220-21systemd-run12:15:001
1085294992314,3cyclictest0-21swapper/109:45:091
108529399233,14cyclictest1203935-21aten2.4-expect08:45:140
1085293992314,8cyclictest1330610-21kthreadcore10:05:200
1085293992313,6cyclictest1479112-21grep11:30:260
1085293992313,6cyclictest1479112-21grep11:30:260
1085293992311,8cyclictest0-21swapper/009:45:270
1085293992311,7cyclictest1090839-21awk07:10:270
25010912217,3phc2sys0-21swapper/307:20:223
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-012:13:283
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-011:58:373
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-011:25:003
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-011:17:013
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-010:51:083
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-008:29:213
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-008:15:353
2500991220,4ptp4l186990irq/129-enp1s0-TxRx-012:35:223
2500991220,4ptp4l186990irq/129-enp1s0-TxRx-010:15:143
2500991220,4ptp4l186990irq/129-enp1s0-TxRx-010:06:043
2500991220,3ptp4l186990irq/129-enp1s0-TxRx-011:30:463
2500991220,3ptp4l186990irq/129-enp1s0-TxRx-011:30:463
1085294992219,2cyclictest1362862-21kworker/u16:0-rpciod10:35:291
1085294992219,2cyclictest0-21swapper/112:40:011
108529399229,9cyclictest241rcuc/011:05:000
108529399229,9cyclictest1322332-21cut10:00:190
108529399229,9cyclictest1322332-21cut10:00:190
108529399229,9cyclictest0-21swapper/009:10:100
108529399227,11cyclictest1558863-21munin-run12:20:010
108529399223,13cyclictest1533614-21aten2.4-expect12:05:150
1085293992214,6cyclictest1233673-21latency_hist09:10:010
1085293992213,5cyclictest1434540-21kthreadcore11:05:280
1085293992212,5cyclictest0-21swapper/010:30:010
1085293992210,8cyclictest1550046-21systemctl12:15:000
1085293992210,8cyclictest1526353-21sed12:00:220
1085293992210,8cyclictest1132345-21tr07:45:190
1085293992210,8cyclictest0-21swapper/011:55:220
1085293992210,11cyclictest0-21swapper/009:50:080
25010912116,3phc2sys0-21swapper/308:47:563
25010912116,3phc2sys0-21swapper/308:23:003
25010912116,3phc2sys0-21swapper/307:35:143
25010912116,1phc2sys0-21swapper/309:05:053
2500991210,9ptp4l186990irq/129-enp1s0-TxRx-009:30:333
2500991210,5ptp4l186990irq/129-enp1s0-TxRx-009:58:473
2500991210,4ptp4l186990irq/129-enp1s0-TxRx-011:36:143
2500991210,4ptp4l186990irq/129-enp1s0-TxRx-010:58:553
2500991210,4ptp4l186990irq/129-enp1s0-TxRx-008:54:473
2500991210,1ptp4l0-21swapper/308:30:113
108529499214,2cyclictest1354211-21awk10:20:001
1085294992118,2cyclictest1136634-21apt-key07:50:001
108529399219,8cyclictest1572182-21kthreadcore12:25:210
108529399219,8cyclictest1564220-21wc12:20:230
108529399219,8cyclictest1338288-21smartctl10:10:150
108529399219,8cyclictest1124772-21cpuspeed_turbos07:40:120
108529399219,6cyclictest0-21swapper/010:16:330
108529399218,9cyclictest1222549-21tune2fs09:00:160
108529399217,8cyclictest1197894-21head08:40:130
108529399217,10cyclictest1380296-21telnet10:35:140
108529399214,12cyclictest1100148-21aten2.4-expect07:20:140
108529399213,12cyclictest1191799-21aten2.4-expect08:35:120
108529399213,12cyclictest1155553-21aten2.4-expect08:05:130
1085293992116,4cyclictest8799-21cron11:25:010
1085293992112,5cyclictest0-21swapper/009:30:180
1085293992112,5cyclictest0-21swapper/009:25:190
1085293992110,7cyclictest0-21swapper/010:30:020
924598200,4rtkit-daemon1091380-21munin-node10:29:071
25010912016,2phc2sys0-21swapper/308:11:203
25010912015,2phc2sys0-21swapper/307:50:223
2500991200,5ptp4l186990irq/129-enp1s0-TxRx-007:09:383
2500991200,4ptp4l186990irq/129-enp1s0-TxRx-009:45:383
2500991200,4ptp4l186990irq/129-enp1s0-TxRx-007:17:123
1085295992017,1cyclictest0-21swapper/209:20:002
1085294992017,2cyclictest1558713-21gpgconf12:20:001
1085294992017,2cyclictest1248176-21unixbench_singl09:15:271
108529399209,7cyclictest1504853-21ssh11:45:270
108529399209,7cyclictest1465752-21aten2.4-expect11:25:150
108529399208,8cyclictest1179616-21/usr/sbin/munin08:25:170
108529399207,7cyclictest1402240-21awk10:45:240
108529399204,6cyclictest1422477-21kworker/u16:0+xprtiod12:38:020
108529399204,10cyclictest1227931-21kworker/u16:4+xprtiod09:36:090
1085293992017,2cyclictest1734-21rs:main0
1085293992015,4cyclictest1112316-21apt-get07:30:110
1085293992014,5cyclictest1511606-21kthreadcore11:50:220
1085293992012,4cyclictest0-21swapper/008:00:140
1085293992010,7cyclictest1233669-21diskmemload12:30:240
1085293992010,7cyclictest0-21swapper/011:35:230
1085293992010,7cyclictest0-21swapper/007:50:120
108529399200,3cyclictest1257018-21python309:20:540
108529399200,3cyclictest1257018-21python309:20:540
25010911916,2phc2sys0-21swapper/308:55:493
2500991190,4ptp4l186990irq/129-enp1s0-TxRx-011:10:493
2500991190,4ptp4l186990irq/129-enp1s0-TxRx-008:02:253
2500991190,4ptp4l186990irq/129-enp1s0-TxRx-007:44:543
2500991190,4ptp4l186990irq/129-enp1s0-TxRx-007:29:353
1085295991915,2cyclictest0-21swapper/207:30:112
108529499199,3cyclictest0-21swapper/109:40:011
108529499193,7cyclictest1268334-21awk09:30:001
1085294991916,2cyclictest1422657-21systemd-run11:00:011
1085294991916,2cyclictest1396759-21sh10:45:001
1085294991916,2cyclictest1149308-21sh08:00:011
1085294991916,2cyclictest0-21swapper/109:44:491
108529499190,9cyclictest1336159-21rm10:08:211
108529399199,7cyclictest1357352-21cut10:20:240
108529399199,7cyclictest0-21swapper/008:55:160
108529399198,7cyclictest0-21swapper/011:10:300
108529399196,9cyclictest1437236-21kworker/u16:2+xprtiod11:42:570
108529399195,9cyclictest1265669-21kworker/u16:0+xprtiod09:44:240
1085293991916,2cyclictest1174912-21kthreadcore08:20:180
1085293991913,5cyclictest1209913-21tail08:50:130
1085293991912,5cyclictest1164252-21kthreadcore08:10:200
1085293991911,4cyclictest178850irq/121-eno107:35:200
1085293991910,5cyclictest1311936-21cpuspeed_turbos09:55:130
1085294991815,2cyclictest1534128-21fschecks_count12:05:181
1085294991815,2cyclictest1449479-21if_err_eno111:15:221
1085294991815,2cyclictest1197574-21cut08:40:011
1085294991815,2cyclictest0-21swapper/111:10:011
1085294991813,3cyclictest1696-1atopacctd09:55:181
108529499180,4cyclictest1091337-21latency_hist07:15:011
1085293991813,4cyclictest1168259-21gltestperf08:15:170
1085295991714,1cyclictest0-21swapper/212:15:182
1085295991714,1cyclictest0-21swapper/212:05:232
1085295991714,1cyclictest0-21swapper/210:40:152
1085295991714,1cyclictest0-21swapper/210:20:002
1085295991712,2cyclictest0-21swapper/209:30:202
1085294991714,2cyclictest1499076-21latency_hist11:44:591
1085294991714,2cyclictest1448291-21cut11:15:011
1085294991714,2cyclictest1410153-21kthreadcore10:50:171
1085294991714,2cyclictest1397898-21gltestperf10:45:161
1085294991714,2cyclictest1325012-21kthreadcore10:00:211
1085294991714,2cyclictest1325012-21kthreadcore10:00:211
1085294991714,2cyclictest0-21swapper/107:40:011
1085293991713,3cyclictest1107432-21irqrtprio07:25:330
1085293991711,5cyclictest1144686-21kthreadcore07:55:340
1085295991614,1cyclictest0-21swapper/208:45:222
1085295991613,1cyclictest0-21swapper/211:15:012
1085295991613,1cyclictest0-21swapper/210:35:192
1085295991613,1cyclictest0-21swapper/209:50:092
1085295991613,1cyclictest0-21swapper/208:50:132
1085295991613,1cyclictest0-21swapper/208:40:132
108529599160,12cyclictest0-21swapper/209:05:002
108529499167,1cyclictest178850irq/121-eno111:31:001
108529499167,1cyclictest178850irq/121-eno111:31:001
108529499164,4cyclictest1105301-21/usr/sbin/munin07:20:281
108529499161,6cyclictest1567229-21latency_hist12:25:001
108529499161,5cyclictest1499422-21/usr/sbin/munin11:45:101
1085294991614,2cyclictest1118274-21kworker/u16:0+events_freezable_pwr_efficient08:02:451
1085294991613,2cyclictest1696-1atopacctd12:30:211
1085294991613,2cyclictest1096644-21kthreadcore07:15:201
1085294991612,3cyclictest1425676-21kthreadcore11:00:191
1085294991612,3cyclictest1357098-21kthreadcore10:20:241
1085294991612,2cyclictest1490755-21latency_hist11:40:011
1085294991611,4cyclictest341rcuc/111:55:081
108529499160,8cyclictest1179377-21cat08:25:011
108529499160,13cyclictest0-21swapper/108:18:511
1085295991513,1cyclictest0-21swapper/210:10:192
1085295991513,1cyclictest0-21swapper/209:45:282
1085295991512,1cyclictest0-21swapper/212:25:142
1085295991512,1cyclictest0-21swapper/212:21:162
1085295991512,1cyclictest0-21swapper/211:50:202
1085295991512,1cyclictest0-21swapper/211:00:002
1085295991512,1cyclictest0-21swapper/210:30:172
1085295991512,1cyclictest0-21swapper/210:05:172
1085295991512,1cyclictest0-21swapper/209:15:012
1085295991512,1cyclictest0-21swapper/208:10:242
1085295991511,2cyclictest0-21swapper/211:45:112
1085295991511,2cyclictest0-21swapper/207:35:312
108529499157,1cyclictest178850irq/121-eno109:14:091
108529499154,2cyclictest178850irq/121-eno111:25:011
1085294991513,2cyclictest1118274-21kworker/u16:0+events_freezable_pwr_efficient08:57:401
1085294991512,2cyclictest9244-21rtkit-daemon12:25:121
1085294991512,2cyclictest1466328-21gltestperf11:25:181
1085294991512,2cyclictest1180222-21fschecks_count08:25:161
1085294991512,2cyclictest1113244-21irqcore07:30:181
1085294991511,3cyclictest1185797-21aten_repower_vo08:30:121
108529499150,8cyclictest1215840-21cat08:55:021
108529499150,6cyclictest1373164-21cut10:30:161
108529399154,7cyclictest0-21swapper/007:10:010
1085295991412,1cyclictest0-21swapper/212:35:212
1085295991412,1cyclictest0-21swapper/210:50:172
1085295991411,1cyclictest0-21swapper/212:10:192
1085295991411,1cyclictest0-21swapper/211:40:232
1085295991411,1cyclictest0-21swapper/211:30:212
1085295991411,1cyclictest0-21swapper/211:30:212
1085295991411,1cyclictest0-21swapper/211:25:152
1085295991411,1cyclictest0-21swapper/211:15:242
1085295991411,1cyclictest0-21swapper/210:00:182
1085295991411,1cyclictest0-21swapper/210:00:182
1085295991411,1cyclictest0-21swapper/208:55:232
1085295991411,1cyclictest0-21swapper/208:20:122
1085295991411,1cyclictest0-21swapper/208:05:192
1085295991411,1cyclictest0-21swapper/207:55:342
1085295991411,1cyclictest0-21swapper/207:10:272
1085295991410,2cyclictest0-21swapper/211:39:182
1085295991410,2cyclictest0-21swapper/207:50:122
108529599140,11cyclictest1429909-21chrt11:03:092
108529599140,11cyclictest1284899-21chrt09:39:122
108529499148,2cyclictest178850irq/121-eno109:23:351
108529499148,2cyclictest178850irq/121-eno109:23:351
1085294991411,2cyclictest1223217-21kthreadcore09:00:191
1085294991411,2cyclictest1205097-21kthreadcore08:45:201
1085294991411,2cyclictest1202430-21missed_timers08:40:211
1085294991411,2cyclictest1156395-21sort08:05:181
1085294991410,3cyclictest1231336-21kthreadcore09:05:201
108529499140,3cyclictest1142845-21cat07:55:001
108529599132,4cyclictest0-21swapper/208:15:122
1085295991311,1cyclictest0-21swapper/210:20:252
1085295991311,1cyclictest0-21swapper/210:00:012
1085295991311,1cyclictest0-21swapper/209:20:542
1085295991311,1cyclictest0-21swapper/209:20:542
1085295991310,1cyclictest0-21swapper/212:30:182
1085295991310,1cyclictest0-21swapper/211:55:222
1085295991310,1cyclictest0-21swapper/211:05:282
1085295991310,1cyclictest0-21swapper/210:45:192
1085295991310,1cyclictest0-21swapper/210:25:212
1085295991310,1cyclictest0-21swapper/209:43:452
1085295991310,1cyclictest0-21swapper/209:25:362
1085295991310,1cyclictest0-21swapper/209:05:152
1085295991310,1cyclictest0-21swapper/208:30:172
108529599130,11cyclictest1154786-21chrt08:00:542
108529599130,10cyclictest11062362sleep207:25:082
108529499133,2cyclictest178850irq/121-eno107:25:291
1085294991310,2cyclictest1164252-21kthreadcore08:10:211
108529599129,1cyclictest0-21swapper/208:35:422
108529599129,1cyclictest0-21swapper/207:40:122
108529599129,1cyclictest0-21swapper/207:15:172
108529599128,2cyclictest0-21swapper/207:20:132
1085295991210,1cyclictest0-21swapper/212:00:222
1085295991210,1cyclictest0-21swapper/208:25:132
108529499118,2cyclictest0-21swapper/107:10:011
108529599108,1cyclictest0-21swapper/207:45:192
1079895261,2sleep20-21swapper/207:05:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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