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2025-01-02 - 19:37
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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 rackbslot1.osadl.org (updated Thu Jan 02, 2025 12:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17311252205182,14sleep00-21swapper/007:07:280
17310272196173,14sleep20-21swapper/207:06:132
17313122188165,13sleep30-21swapper/307:09:563
17310712182163,11sleep10-21swapper/107:06:481
1731516996651,2cyclictest1864421-13chrome09:45:023
1731516996211,50cyclictest1747781-21kworker/u8:3+efi_rts_wq07:34:133
1731508996044,3cyclictest1864619-21/usr/share/muni09:45:011
1731506996056,2cyclictest1960379-21snmp_wlanpowerc11:45:020
1731513995954,4cyclictest1803784-21kworker/u8:4+flush-179:008:45:252
173150899544,50cyclictest1747781-21kworker/u8:3+efi_rts_wq07:34:131
1731513995349,3cyclictest1963771-21apt-get11:50:092
1731516995248,3cyclictest1745344-21latency_hist07:25:013
1731513995248,3cyclictest1781644-21latency_hist08:10:012
1731513995147,3cyclictest1860566-21kworker/u8:2+flush-179:011:20:042
1731508995145,4cyclictest1752510-21/usr/share/muni07:35:061
1731506995148,2cyclictest1924420-21kworker/u8:4+flush-179:012:15:050
1731513994934,12cyclictest1769637-21kworker/2:2+pm08:21:022
1731513994844,3cyclictest3434-21mqtt2munin12:00:302
1731508994843,3cyclictest1756912-21/usr/share/muni07:40:151
1731506994833,13cyclictest1843285-1kworker/0:0H+kblockd10:32:530
1731516994743,3cyclictest1736004-21/usr/share/muni07:15:083
1731516994740,5cyclictest1804684-21ThreadPoolSingl10:50:293
1731513994743,3cyclictest1883261-21munin-update10:10:322
1731508994742,3cyclictest1765833-21python307:50:171
1731506994743,3cyclictest1935348-21cp11:15:010
1731506994742,3cyclictest1855210-21kworker/u8:3+flush-179:009:45:050
1731516994643,2cyclictest1696364-1kworker/3:0H+kblockd07:11:423
1731516994542,2cyclictest1696364-1kworker/3:0H+kblockd11:22:583
173151699453,41cyclictest1912788-21snmp_wlanswitch10:45:023
173151699453,41cyclictest1912788-21snmp_wlanswitch10:45:023
1731508994531,13cyclictest985463-1kworker/1:1H+kblockd09:39:271
1731506994440,3cyclictest1799254-21kworker/u8:0+flush-179:008:35:300
1731516994337,4cyclictest1990988-21munin-limits12:20:343
173151399436,36cyclictest3451170-20Compositor08:25:582
1731513994339,2cyclictest1760623-1kworker/2:2H+kblockd09:26:012
1731516994238,3cyclictest1960063-21munin-update11:45:083
1731516994238,3cyclictest1924420-21kworker/u8:4+flush-179:011:35:193
173151699421,39cyclictest3451163-21chrome12:32:433
1731513994239,2cyclictest1982645-21kworker/2:0+pm12:32:452
1731513994239,2cyclictest1946832-21kworker/u8:2+flush-179:011:35:162
1731513994237,4cyclictest1799254-21kworker/u8:0+flush-179:009:00:322
1731513994235,4cyclictest1835290-21kworker/2:0+pm09:48:092
173151399421,40cyclictest1747781-21kworker/u8:3+efi_rts_wq07:34:132
1731508994239,2cyclictest985463-1kworker/1:1H+kblockd12:28:541
1731508994235,5cyclictest1804698-21Chrome_ChildIOT08:40:141
1731506994234,6cyclictest1804697-21ThreadPoolForeg07:40:050
1731506994221,14cyclictest1804639-21b6371458964395710:45:030
1731506994221,14cyclictest1804639-21b6371458964395710:45:030
18042632410,1chrt1804262-21hddtemp_smartct08:35:032
1731516994139,1cyclictest0-21swapper/308:45:023
1731516994137,3cyclictest1848602-21/usr/share/muni09:25:093
1731513994139,1cyclictest1865179-21kworker/2:2+pm10:07:242
1731513994138,2cyclictest1982645-21kworker/2:0+pm12:27:532
1731513994138,2cyclictest1961998-21kworker/2:1+pm11:55:362
1731513994138,2cyclictest1790907-21kworker/u8:3+flush-179:009:05:142
1731513994138,2cyclictest1763953-21gpgv07:50:012
173151399411,4cyclictest1804731-21chrome11:25:492
173151399411,39cyclictest1804731-21chrome09:51:482
1731508994135,4cyclictest1795216-21munin-update08:25:331
1731506994136,4cyclictest1764299-21/usr/share/muni07:50:140
1731506994136,3cyclictest1946162-21apt-get11:25:170
1731513994038,1cyclictest1865179-21kworker/2:2+pm10:15:532
1731513994038,1cyclictest1769637-21kworker/2:2+pm08:17:092
1731513994037,2cyclictest1971204-21kworker/u8:0+flush-179:012:05:112
1731513994037,2cyclictest1930004-21kworker/2:2+pm11:49:382
1731513994037,2cyclictest1930004-21kworker/2:2+pm11:30:062
1731513994037,2cyclictest1930004-21kworker/2:2+pm11:09:532
1731513994037,2cyclictest1835290-21kworker/2:0+pm09:44:292
1731513994037,2cyclictest1799254-21kworker/u8:0+flush-179:008:40:222
1731513994037,2cyclictest1769637-21kworker/2:2+pm08:35:002
1731513994037,2cyclictest1760985-21kworker/2:1+pm07:50:542
1731513994036,2cyclictest1835290-21kworker/2:0+pm09:35:472
1731513994035,4cyclictest1747743-21kworker/u8:0+flush-179:007:55:142
1731513994035,3cyclictest1804751-21ThreadPoolForeg09:20:302
1731508994037,2cyclictest1871615-21kworker/1:0+pm11:48:331
1731508994034,5cyclictest985463-1kworker/1:1H+kblockd11:51:231
1731508994033,5cyclictest1804735-21ThreadPoolForeg12:05:011
1731506994035,4cyclictest1825709-21munin-limits08:55:320
1731506994034,4cyclictest1175792-1kworker/0:2H+kblockd09:10:490
1731513993938,1cyclictest1769637-21kworker/2:2+pm08:10:182
1731513993937,1cyclictest1982645-21kworker/2:0+pm12:35:322
1731513993937,1cyclictest1930004-21kworker/2:2+pm11:40:352
1731513993937,1cyclictest1930004-21kworker/2:2+pm11:40:342
1731513993937,1cyclictest1865179-21kworker/2:2+pm10:50:162
1731513993937,1cyclictest1865179-21kworker/2:2+pm10:46:072
1731513993937,1cyclictest1708932-21kworker/2:1+pm07:27:432
1731513993937,1cyclictest1708932-21kworker/2:1+pm07:20:162
1731513993937,1cyclictest1708932-21kworker/2:1+pm07:16:482
1731513993936,2cyclictest1961352-21kworker/u8:2+flush-179:012:10:272
1731513993936,2cyclictest1865179-21kworker/2:2+pm10:03:032
1731513993936,2cyclictest1859690-21kworker/u8:1+flush-179:010:30:102
1731513993936,2cyclictest1835290-21kworker/2:0+pm09:15:062
1731513993936,2cyclictest1756514-21kworker/2:2+pm07:45:002
1731513993935,3cyclictest1865179-21kworker/2:2+pm10:59:292
1731513993935,3cyclictest1865179-21kworker/2:2+pm10:59:282
1731513993935,2cyclictest1865179-21kworker/2:2+pm10:21:282
1731513993935,2cyclictest1865179-21kworker/2:2+pm09:56:482
1731513993934,3cyclictest1835290-21kworker/2:0+pm09:13:572
1731513993931,6cyclictest3451086-21ThreadPoolForeg08:55:192
1731506993935,2cyclictest1843285-1kworker/0:0H+kblockd09:54:270
1731506993934,3cyclictest1859690-21kworker/u8:1+events_unbound10:35:090
1731516993837,1cyclictest1752698-21kworker/3:2+pm08:18:133
1731516993836,1cyclictest1978074-21kworker/3:0+pm12:29:543
1731516993836,1cyclictest1817406-21kworker/3:2+pm09:04:533
1731516993835,2cyclictest1696364-1kworker/3:0H+kblockd08:00:153
1731516993834,3cyclictest1960269-13chrome11:45:013
1731516993828,9cyclictest1804637-21ChromeDriver15:20:433
1731513993836,1cyclictest1930004-21kworker/2:2+pm11:15:042
1731513993836,1cyclictest1924391-21kworker/2:1+pm11:00:072
1731513993836,1cyclictest1708932-21kworker/2:1+pm07:10:152
1731513993835,2cyclictest1982645-21kworker/2:0+pm12:21:452
1731513993835,2cyclictest1865179-21kworker/2:2+pm10:28:332
1731513993835,2cyclictest1769637-21kworker/2:2+pm08:04:332
1731513993835,1cyclictest1982645-21kworker/2:0+pm12:19:142
1731513993834,3cyclictest1799254-21kworker/u8:0+flush-179:009:30:102
1731513993834,2cyclictest1865179-21kworker/2:2+pm10:43:582
1731513993834,2cyclictest1865179-21kworker/2:2+pm10:43:582
1731513993833,3cyclictest1930004-21kworker/2:2+pm11:10:272
1731513993830,3cyclictest1903327-21kworker/u8:3+flush-179:010:35:012
173151399381,35cyclictest1756204-31munin-html07:35:442
1731508993836,1cyclictest1871615-21kworker/1:0+pm11:43:581
1731508993836,1cyclictest1871615-21kworker/1:0+pm11:43:571
1731508993835,1cyclictest985463-1kworker/1:1H+kblockd10:28:381
1731506993834,3cyclictest1975202-31munin-html12:00:340
1731506993834,3cyclictest1875641-21kworker/u8:0+events_unbound10:20:010
1731506993833,3cyclictest1175792-1kworker/0:2H+kblockd07:20:520
1731516993735,2cyclictest1799254-21kworker/u8:0+flush-179:009:30:273
1731516993735,1cyclictest1817406-21kworker/3:2+pm10:19:593
1731516993734,2cyclictest1752698-21kworker/3:2+pm08:14:183
1731516993734,2cyclictest1696364-1kworker/3:0H+kblockd11:16:393
1731516993734,2cyclictest1696364-1kworker/3:0H+kblockd10:39:483
1731516993734,2cyclictest1696364-1kworker/3:0H+kblockd09:06:013
1731516993734,2cyclictest1696364-1kworker/3:0H+kblockd08:06:073
1731516993733,3cyclictest1696364-1kworker/3:0H+kblockd12:10:003
173151699371,5cyclictest3451163-21chrome09:42:073
1731513993733,2cyclictest1760623-1kworker/2:2H+kblockd08:50:152
1731508993735,1cyclictest985463-1kworker/1:1H+kblockd08:19:081
1731508993734,2cyclictest985463-1kworker/1:1H+kblockd10:46:071
1731508993734,2cyclictest985463-1kworker/1:1H+kblockd09:54:331
1731508993733,3cyclictest985463-1kworker/1:1H+kblockd12:37:091
1731508993733,2cyclictest985463-1kworker/1:1H+kblockd10:44:111
1731508993733,2cyclictest985463-1kworker/1:1H+kblockd10:44:111
1731508993733,2cyclictest985463-1kworker/1:1H+kblockd09:10:011
1731508993730,5cyclictest1931112-21/usr/share/muni11:10:031
173150899370,36cyclictest1785768-21munin-limits08:10:341
1731506993734,2cyclictest1903986-1kworker/0:2H+kblockd11:36:100
1731506993734,2cyclictest1892159-21kworker/0:2+pm12:34:230
1731506993734,2cyclictest1175792-1kworker/0:2H+kblockd09:05:330
1731506993734,2cyclictest1175792-1kworker/0:2H+kblockd08:09:050
1731506993734,2cyclictest1175792-1kworker/0:2H+kblockd07:55:330
1731506993733,3cyclictest1875641-21kworker/u8:0+flush-179:010:25:080
1731506993733,3cyclictest1763533-21kworker/u8:2+flush-179:008:20:060
1731506993732,4cyclictest1713137-21kworker/u8:2+flush-179:007:15:060
1731516993634,1cyclictest1696364-1kworker/3:0H+kblockd10:33:123
1731516993633,2cyclictest1696364-1kworker/3:0H+kblockd12:19:013
1731516993633,2cyclictest1696364-1kworker/3:0H+kblockd11:05:333
1731516993633,2cyclictest1696364-1kworker/3:0H+kblockd11:03:533
1731516993633,2cyclictest1696364-1kworker/3:0H+kblockd10:00:053
1731516993633,2cyclictest1696364-1kworker/3:0H+kblockd07:54:333
1731516993633,2cyclictest1696364-1kworker/3:0H+kblockd07:28:443
1731516993633,1cyclictest1696364-1kworker/3:0H+kblockd08:49:233
1731516993628,6cyclictest1804697-21ThreadPoolForeg12:10:103
1731516993621,2cyclictest1276-21snmpd08:59:383
1731508993634,1cyclictest985463-1kworker/1:1H+kblockd11:18:231
1731508993634,1cyclictest985463-1kworker/1:1H+kblockd08:39:581
1731508993634,1cyclictest985463-1kworker/1:1H+kblockd08:01:441
1731508993634,1cyclictest985463-1kworker/1:1H+kblockd07:24:091
1731508993634,1cyclictest1736002-21kworker/1:0+pm07:27:421
1731508993633,2cyclictest985463-1kworker/1:1H+kblockd12:11:091
1731508993633,2cyclictest985463-1kworker/1:1H+kblockd10:08:591
1731508993633,2cyclictest985463-1kworker/1:1H+kblockd10:00:061
1731508993633,2cyclictest985463-1kworker/1:1H+kblockd09:15:171
1731508993633,2cyclictest985463-1kworker/1:1H+kblockd08:05:241
1731508993633,2cyclictest1871615-21kworker/1:0+pm12:17:281
1731508993631,4cyclictest1826917-21/usr/share/muni09:00:041
1731506993634,1cyclictest1903986-1kworker/0:2H+kblockd11:02:590
1731506993633,2cyclictest1843285-1kworker/0:0H+kblockd09:33:480
1731506993633,2cyclictest1175792-1kworker/0:2H+kblockd08:49:030
1731506993633,2cyclictest1175792-1kworker/0:2H+kblockd07:10:340
1731506993632,3cyclictest1804639-21b6371458964395707:48:180
1731506993630,4cyclictest1875641-21kworker/u8:0+events_unbound10:00:090
1731506993629,5cyclictest1923548-31munin-html10:55:350
1731506993629,5cyclictest1923548-31munin-html10:55:350
1731506993629,5cyclictest1848007-31munin-graph09:21:070
1731516993533,1cyclictest1696364-1kworker/3:0H+kblockd08:39:083
1731516993533,1cyclictest1696364-1kworker/3:0H+kblockd08:20:153
1731516993533,1cyclictest1696364-1kworker/3:0H+kblockd07:39:423
1731516993532,2cyclictest1804738-13Compositor12:04:183
1731516993532,2cyclictest1696364-1kworker/3:0H+kblockd11:29:053
1731516993532,2cyclictest1696364-1kworker/3:0H+kblockd10:12:573
1731516993532,2cyclictest1696364-1kworker/3:0H+kblockd08:51:483
1731508993533,1cyclictest985463-1kworker/1:1H+kblockd10:23:591
1731508993533,1cyclictest985463-1kworker/1:1H+kblockd09:44:451
1731508993533,1cyclictest1736002-21kworker/1:0+pm07:56:381
1731508993532,2cyclictest985463-1kworker/1:1H+kblockd12:34:171
1731508993532,2cyclictest985463-1kworker/1:1H+kblockd12:23:001
1731508993532,2cyclictest985463-1kworker/1:1H+kblockd11:32:021
1731508993532,2cyclictest985463-1kworker/1:1H+kblockd11:04:111
1731508993532,2cyclictest985463-1kworker/1:1H+kblockd09:30:371
1731508993532,2cyclictest985463-1kworker/1:1H+kblockd08:25:001
1731508993532,2cyclictest985463-1kworker/1:1H+kblockd07:16:481
1731508993530,4cyclictest1875917-21latency_hist10:00:001
1731508993530,3cyclictest1813305-21Chrome_ChildIOT08:45:131
1731508993528,4cyclictest1276-21snmpd11:07:171
1731506993533,1cyclictest1903986-1kworker/0:2H+kblockd11:17:380
1731506993532,2cyclictest1903986-1kworker/0:2H+kblockd11:21:310
1731506993532,2cyclictest1843285-1kworker/0:0H+kblockd09:25:330
1731506993532,2cyclictest1276-21snmpd11:31:320
1731506993532,2cyclictest1175792-1kworker/0:2H+kblockd08:33:130
1731506993532,2cyclictest1175792-1kworker/0:2H+kblockd08:25:150
1731506993531,2cyclictest3451170-20Compositor11:57:390
1731506993531,2cyclictest1843285-1kworker/0:0H+kblockd10:07:430
1731506993530,4cyclictest1863644-31munin-graph09:40:500
1731506993527,6cyclictest3451111-21ThreadPoolSingl07:35:320
1731516993432,1cyclictest1934975-21kworker/3:1+pm11:12:123
1731516993432,1cyclictest1817406-21kworker/3:2+pm10:07:273
1731516993432,1cyclictest1696364-1kworker/3:0H+kblockd11:44:133
1731516993424,9cyclictest1696364-1kworker/3:0H+kblockd09:14:133
1731516993420,2cyclictest1923759-21sshd10:57:473
1731516993420,2cyclictest1923759-21sshd10:57:463
1731508993431,2cyclictest985463-1kworker/1:1H+kblockd11:55:341
1731508993431,2cyclictest985463-1kworker/1:1H+kblockd11:20:481
1731508993431,2cyclictest985463-1kworker/1:1H+kblockd09:29:161
1731508993431,2cyclictest985463-1kworker/1:1H+kblockd09:23:231
1731508993431,2cyclictest985463-1kworker/1:1H+kblockd08:53:271
1731508993431,2cyclictest1871615-21kworker/1:0+pm10:19:171
1731508993427,5cyclictest1831277-21/usr/share/muni09:05:101
1731506993432,1cyclictest1903986-1kworker/0:2H+kblockd11:42:540
1731506993432,1cyclictest1903986-1kworker/0:2H+kblockd11:42:540
1731506993432,1cyclictest1892159-21kworker/0:2+pm11:06:540
1731506993431,2cyclictest1903986-1kworker/0:2H+kblockd12:26:300
1731506993431,2cyclictest1175792-1kworker/0:2H+kblockd08:16:220
1731506993430,2cyclictest1276-21snmpd09:59:330
1731506993427,5cyclictest1812380-31munin-html08:40:520
1731516993332,1cyclictest1696364-1kworker/3:0H+kblockd10:49:033
1731516993331,1cyclictest1817406-21kworker/3:2+pm09:39:343
1731516993331,1cyclictest1696364-1kworker/3:0H+kblockd07:55:173
1731516993330,2cyclictest1860566-21kworker/u8:2+flush-179:009:55:483
1731516993330,2cyclictest1276-21snmpd11:55:063
1731516993330,2cyclictest1276-21snmpd11:50:483
1731516993329,3cyclictest1276-21snmpd09:15:053
1731508993331,2cyclictest1804639-21b6371458964395708:56:321
1731508993331,1cyclictest1871615-21kworker/1:0+pm12:06:421
1731508993328,4cyclictest985463-1kworker/1:1H+kblockd10:35:041
1731506993330,2cyclictest1843285-1kworker/0:0H+kblockd09:17:010
1731506993330,2cyclictest1276-21snmpd10:50:400
1731506993329,2cyclictest1175792-1kworker/0:2H+kblockd08:12:320
1731506993327,5cyclictest3451132-21Chrome_ChildIOT07:25:220
173151699326,25cyclictest3451170-20Compositor09:20:313
1731516993229,2cyclictest1696364-1kworker/3:0H+kblockd07:46:433
1731516993227,4cyclictest1946832-21kworker/u8:2+flush-179:011:30:213
1731508993230,1cyclictest985463-1kworker/1:1H+kblockd08:30:031
1731508993230,1cyclictest1276-21snmpd10:14:031
1731508993229,2cyclictest985463-1kworker/1:1H+kblockd10:31:121
1731508993229,2cyclictest985463-1kworker/1:1H+kblockd07:45:111
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1731508993228,3cyclictest1919844-21/usr/share/muni10:55:031
1731508993228,3cyclictest1919844-21/usr/share/muni10:55:031
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1731506993230,1cyclictest1804751-21ThreadPoolForeg10:14:240
1731506993229,2cyclictest3451170-20Compositor08:03:410
1731506993229,2cyclictest1903986-1kworker/0:2H+kblockd10:45:320
1731506993229,2cyclictest1175792-1kworker/0:2H+kblockd09:02:050
1731506993228,3cyclictest1961352-21kworker/u8:2+flush-179:012:10:240
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1731516993129,1cyclictest1276-21snmpd07:42:243
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173150699315,25cyclictest1804731-21chrome12:38:540
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1731506993128,2cyclictest1804736-13Chrome_ChildIOT10:24:200
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1731516993027,2cyclictest1696364-1kworker/3:0H+kblockd08:25:163
1731516993027,2cyclictest0-21swapper/309:50:223
1731516993026,3cyclictest2000710-21apt-get12:35:193
1731508993028,1cyclictest1871615-21kworker/1:0+pm11:37:181
1731506993030,0cyclictest1276-21snmpd07:34:230
1731506993028,1cyclictest1276-21snmpd12:07:550
1731508992926,2cyclictest3451150-20VizCompositorTh11:27:041
1731516992827,1cyclictest1276-21snmpd10:29:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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