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2025-11-14 - 02:04
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rackbslot2.osadl.org (updated Thu Nov 13, 2025 12:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17146352227199,18sleep30-21swapper/307:07:093
17147092226196,20sleep20-21swapper/207:08:032
17147442222194,18sleep00-21swapper/007:08:300
17148412220190,21sleep10-21swapper/107:09:471
1715035996056,2cyclictest1902326-21ThreadPoolForeg10:45:011
1715033995249,2cyclictest1732220-21kworker/u8:2+flush-179:008:30:270
1715033994947,1cyclictest1953880-13Chrome_IOThread11:45:010
1715033994945,3cyclictest1793090-21kworker/u8:0+events_unbound09:20:130
1715043994843,3cyclictest1857943-21latency_hist09:55:003
1715043994842,3cyclictest1953933-21snmp_ryswitch2.11:45:023
1715039994846,1cyclictest1822349-21awk09:10:182
1715043994744,2cyclictest1823481-21kworker/u8:3+flush-179:009:20:153
1715033994742,3cyclictest1779895-21kworker/u8:1+events_unbound08:25:170
1715043994643,2cyclictest1732220-21kworker/u8:2+events_unbound08:15:003
1715043994642,3cyclictest1732220-21kworker/u8:2+flush-179:008:50:093
1715033994642,3cyclictest1941530-21kworker/u8:0+events_unbound11:30:150
1715033994642,3cyclictest1732220-21kworker/u8:2+flush-179:008:15:160
1715039994542,2cyclictest1767964-1kworker/2:0H+kblockd10:42:052
1715039994538,5cyclictest1776343-21/usr/share/muni08:20:152
1715033994542,2cyclictest1823481-21kworker/u8:3+events_unbound10:01:560
1715033994542,2cyclictest1793090-21kworker/u8:0+events_unbound09:05:010
1715043994440,3cyclictest1793090-21kworker/u8:0+flush-179:009:00:273
1715043994439,4cyclictest47022-21systemd-journal10:01:443
1715033994440,3cyclictest1732223-21kworker/u8:3+flush-179:007:35:240
1715043994340,2cyclictest1866182-21kworker/u8:1+events_unbound10:05:153
1715043994339,3cyclictest1944910-21kworker/u8:3+events_unbound12:25:153
1715043994339,3cyclictest1779895-21kworker/u8:1+flush-179:008:25:123
1715033994339,3cyclictest1866182-21kworker/u8:1+flush-179:010:15:300
1715043994138,2cyclictest1893103-21kworker/u8:4+events_unbound12:00:093
1715043994138,2cyclictest1732220-21kworker/u8:2+events_unbound07:50:123
1715039994136,3cyclictest1793517-21kworker/2:2+pm10:25:032
1715033994137,3cyclictest1740994-21kworker/u8:0+flush-179:007:50:270
1715043994037,2cyclictest1823481-21kworker/u8:3+events_unbound09:30:103
1715039994038,1cyclictest1902702-21kworker/2:0+pm11:16:222
1715039994038,1cyclictest1902702-21kworker/2:0+pm10:50:052
1715039994038,1cyclictest1706072-21kworker/2:1+pm07:20:462
1715039994037,2cyclictest1940653-21kworker/2:2+pm12:20:042
1715039994037,2cyclictest1902702-21kworker/2:0+pm11:25:422
1715039994037,2cyclictest1793517-21kworker/2:2+pm08:50:132
1715035994034,4cyclictest1754762-21/usr/share/muni07:55:021
1715035994032,5cyclictest1788601-21kworker/1:2+pm09:24:001
1715033994036,3cyclictest1944910-21kworker/u8:3+flush-179:012:30:150
1715033994027,13cyclictest1876008-21kworker/u8:2+flush-179:010:45:170
1715043993936,2cyclictest1779895-21kworker/u8:1+events_unbound08:40:003
1715039993937,1cyclictest1902702-21kworker/2:0+pm11:00:092
1715039993937,1cyclictest1888501-21kworker/2:1+pm10:31:392
1715039993937,1cyclictest1706072-21kworker/2:1+pm07:19:222
1715039993936,2cyclictest1902702-21kworker/2:0+pm11:05:012
1715039993936,2cyclictest1793517-21kworker/2:2+pm09:00:052
1715039993936,2cyclictest1762909-21kworker/2:0+pm08:25:152
1715039993936,2cyclictest1762909-21kworker/2:0+pm08:15:522
1715039993936,2cyclictest1744074-21kworker/2:2+pm08:01:292
1715039993936,1cyclictest1888501-21kworker/2:1+pm10:45:512
1715039993935,2cyclictest1793517-21kworker/2:2+pm09:50:032
1715039993934,3cyclictest1767964-1kworker/2:0H+kblockd08:45:042
1715039993932,5cyclictest1789396-21/usr/share/muni08:35:132
1715035993935,2cyclictest1587248-1kworker/1:0H+kblockd10:30:041
1715043993836,2cyclictest1893103-21kworker/u8:4+flush-179:011:55:103
1715043993836,1cyclictest1931853-21kworker/3:1+pm11:50:263
1715043993835,3cyclictest1823481-21kworker/u8:3+events_unbound09:35:063
1715043993835,2cyclictest1893103-21kworker/u8:4+flush-179:011:10:053
1715043993835,2cyclictest1823481-21kworker/u8:3+flush-179:009:15:063
1715043993835,2cyclictest1740994-21kworker/u8:0+flush-179:007:55:153
1715043993834,3cyclictest1719231-21kworker/u8:1+flush-179:007:25:153
1715039993836,1cyclictest1940653-21kworker/2:2+pm12:05:582
1715039993836,1cyclictest1888501-21kworker/2:1+pm10:35:212
1715039993836,1cyclictest1793517-21kworker/2:2+pm10:06:382
1715039993836,1cyclictest1793517-21kworker/2:2+pm09:17:022
1715039993835,2cyclictest1940653-21kworker/2:2+pm12:35:592
1715039993835,2cyclictest1793517-21kworker/2:2+pm09:30:052
1715039993835,2cyclictest1793517-21kworker/2:2+pm09:20:462
1715039993835,2cyclictest1762909-21kworker/2:0+pm08:30:052
1715039993835,2cyclictest1744074-21kworker/2:2+pm07:50:022
1715039993835,2cyclictest1706072-21kworker/2:1+pm07:40:172
1715039993832,4cyclictest1911306-21ntpq10:55:042
171503999380,3cyclictest1849559-21cat09:45:012
1715035993836,1cyclictest1318-21snmpd11:51:211
1715033993835,2cyclictest1893103-21kworker/u8:4+flush-179:011:15:130
1715033993835,2cyclictest1643395-21kworker/u8:4+events_unbound07:30:110
1715043993734,2cyclictest187494-1kworker/3:2H+kblockd10:30:013
1715043993734,2cyclictest187494-1kworker/3:2H+kblockd10:15:103
1715039993735,1cyclictest1793517-21kworker/2:2+pm10:15:482
1715039993734,2cyclictest1793517-21kworker/2:2+pm10:10:072
1715039993734,2cyclictest1793517-21kworker/2:2+pm09:05:042
1715039993734,2cyclictest1767964-1kworker/2:0H+kblockd11:24:562
1715039993734,2cyclictest1762909-21kworker/2:0+pm08:10:032
1715039993734,2cyclictest1762909-21kworker/2:0+pm08:05:032
1715039993732,3cyclictest1823481-21kworker/u8:3+flush-179:010:00:132
171503999370,2cyclictest1836014-31munin-graph09:25:532
1715035993735,1cyclictest1788601-21kworker/1:2+pm09:19:051
1715035993734,2cyclictest1587248-1kworker/1:0H+kblockd11:25:441
1715035993734,2cyclictest1587248-1kworker/1:0H+kblockd10:40:141
1715035993734,2cyclictest1587248-1kworker/1:0H+kblockd07:45:401
1715035993734,2cyclictest1587248-1kworker/1:0H+kblockd07:10:171
1715035993731,5cyclictest1587248-1kworker/1:0H+kblockd08:44:271
1715035993731,4cyclictest1789397-21/usr/share/muni08:35:011
1715033993735,2cyclictest1793090-21kworker/u8:0+flush-179:008:45:170
1715033993734,3cyclictest1732220-21kworker/u8:2+flush-179:008:50:120
1715033993734,2cyclictest1876008-21kworker/u8:2+events_unbound10:50:140
1715033993734,2cyclictest1819093-21kworker/u8:1+flush-179:009:10:100
1715033993734,1cyclictest1080744-1kworker/0:2H+kblockd11:51:010
1715043993634,1cyclictest187494-1kworker/3:2H+kblockd08:20:293
1715043993633,2cyclictest187494-1kworker/3:2H+kblockd10:50:273
1715043993633,2cyclictest187494-1kworker/3:2H+kblockd10:13:323
1715043993632,3cyclictest1983423-21kworker/u8:1+events_unbound12:30:013
1715043993630,5cyclictest1759409-21ntpq08:00:053
1715039993635,1cyclictest1706072-21kworker/2:1+pm07:13:462
1715039993634,1cyclictest1940653-21kworker/2:2+pm11:50:532
1715039993634,1cyclictest1228465-1kworker/2:2H+kblockd07:31:032
1715039993633,2cyclictest1940653-21kworker/2:2+pm11:46:102
1715039993633,2cyclictest1793517-21kworker/2:2+pm09:40:102
1715039993633,2cyclictest1744074-21kworker/2:2+pm07:55:062
1715039993633,1cyclictest1767964-1kworker/2:0H+kblockd11:57:322
1715039993627,8cyclictest1228465-1kworker/2:2H+kblockd07:26:522
1715035993634,1cyclictest1587248-1kworker/1:0H+kblockd12:21:001
1715035993634,1cyclictest1587248-1kworker/1:0H+kblockd11:35:471
1715035993633,2cyclictest1587248-1kworker/1:0H+kblockd10:07:131
1715035993633,2cyclictest1587248-1kworker/1:0H+kblockd09:35:181
1715035993633,2cyclictest1587248-1kworker/1:0H+kblockd07:23:331
1715035993632,3cyclictest1587248-1kworker/1:0H+kblockd08:50:041
1715035993629,5cyclictest1732613-21munin-update07:30:041
1715033993634,2cyclictest1944910-21kworker/u8:3+events_unbound12:20:060
1715033993634,2cyclictest1941530-21kworker/u8:0+flush-179:011:40:150
1715033993634,1cyclictest1871521-21kworker/0:0+pm12:10:000
1715033993634,1cyclictest1080744-1kworker/0:2H+kblockd07:25:120
1715033993632,3cyclictest1947044-21apt-get11:35:130
1715043993533,1cyclictest1697760-21kworker/3:0+pm07:23:283
1715043993532,2cyclictest1876008-21kworker/u8:2+events_unbound10:45:083
1715043993532,2cyclictest187494-1kworker/3:2H+kblockd07:35:033
1715043993532,2cyclictest1643395-21kworker/u8:4+flush-179:007:45:263
1715039993534,1cyclictest1902702-21kworker/2:0+pm11:11:192
1715039993533,1cyclictest1744074-21kworker/2:2+pm07:46:042
1715039993532,2cyclictest1940653-21kworker/2:2+pm12:30:162
1715039993532,2cyclictest1940653-21kworker/2:2+pm12:25:282
1715039993532,2cyclictest1940653-21kworker/2:2+pm11:40:592
1715039993532,2cyclictest1793517-21kworker/2:2+pm09:55:122
1715039993512,22cyclictest0-21swapper/208:40:562
171503999350,2cyclictest1810350-31munin-html08:55:342
1715035993532,2cyclictest1587248-1kworker/1:0H+kblockd11:30:061
1715035993532,2cyclictest1587248-1kworker/1:0H+kblockd09:10:421
1715035993532,2cyclictest1587248-1kworker/1:0H+kblockd07:25:231
1715035993531,3cyclictest1135-21mosquitto09:40:121
1715035993525,9cyclictest1318-21snmpd11:05:141
1715043993432,1cyclictest187494-1kworker/3:2H+kblockd09:06:283
1715043993432,1cyclictest1318-21snmpd12:05:373
1715043993431,2cyclictest1944910-21kworker/u8:3+flush-179:012:20:123
1715043993431,2cyclictest1944910-21kworker/u8:3+flush-179:012:17:013
1715043993431,1cyclictest187494-1kworker/3:2H+kblockd09:25:173
1715039993433,1cyclictest1767964-1kworker/2:0H+kblockd10:24:092
1715039993432,1cyclictest1767964-1kworker/2:0H+kblockd11:30:442
1715039993431,2cyclictest1793517-21kworker/2:2+pm09:35:272
1715039993430,3cyclictest1767964-1kworker/2:0H+kblockd11:35:042
1715039993429,3cyclictest1706072-21kworker/2:1+pm07:35:032
1715035993432,1cyclictest1788601-21kworker/1:2+pm09:00:101
1715035993432,1cyclictest1724209-21kworker/1:1+pm07:37:481
1715035993431,2cyclictest1587248-1kworker/1:0H+kblockd12:04:371
1715035993431,2cyclictest1587248-1kworker/1:0H+kblockd10:10:271
1715035993431,2cyclictest1587248-1kworker/1:0H+kblockd09:25:101
1715035993431,2cyclictest1587248-1kworker/1:0H+kblockd08:31:011
1715035993431,2cyclictest1587248-1kworker/1:0H+kblockd08:21:221
1715035993430,3cyclictest1801538-21munin-limits08:45:301
1715035993430,2cyclictest1995256-21awk12:30:161
1715035993430,2cyclictest1587248-1kworker/1:0H+kblockd11:40:041
1715035993430,2cyclictest1587248-1kworker/1:0H+kblockd07:15:511
1715035993427,5cyclictest2001118-21latency_hist12:40:021
1715035993427,5cyclictest1880629-21/usr/share/muni10:20:151
1715033993432,2cyclictest1819093-21kworker/u8:1+flush-179:009:25:230
1715033993432,1cyclictest1080744-1kworker/0:2H+kblockd12:35:480
1715033993432,1cyclictest1080744-1kworker/0:2H+kblockd11:10:280
1715033993431,2cyclictest1836139-21kworker/u8:0+flush-179:010:20:130
1715033993431,2cyclictest1779895-21kworker/u8:1+flush-179:008:40:270
1715033993431,2cyclictest1740994-21kworker/u8:0+flush-179:007:55:230
1715033993431,2cyclictest1732220-21kworker/u8:2+events_unbound07:40:100
1715033993431,2cyclictest1080744-1kworker/0:2H+kblockd11:05:580
1715033993430,3cyclictest1866182-21kworker/u8:1+flush-179:010:25:270
1715033993429,3cyclictest1975072-21munin-update12:10:030
1715043993331,1cyclictest1931853-21kworker/3:1+pm11:34:033
1715039993332,1cyclictest1767964-1kworker/2:0H+kblockd12:18:262
1715039993330,2cyclictest1940653-21kworker/2:2+pm12:00:412
1715035993331,1cyclictest1862112-21kworker/1:0+pm10:53:251
1715035993331,1cyclictest1724209-21kworker/1:1+pm07:52:591
1715035993331,1cyclictest1587248-1kworker/1:0H+kblockd11:15:061
1715035993330,1cyclictest1587248-1kworker/1:0H+kblockd09:55:561
1715035993330,1cyclictest1587248-1kworker/1:0H+kblockd08:01:211
1715035993329,2cyclictest1587248-1kworker/1:0H+kblockd08:10:051
1715035993329,2cyclictest1587248-1kworker/1:0H+kblockd07:41:381
1715035993327,6cyclictest1318-21snmpd11:00:351
1715033993332,1cyclictest1080744-1kworker/0:2H+kblockd07:21:280
1715033993331,1cyclictest1831985-21kworker/0:2+pm09:39:130
1715033993331,1cyclictest1318-21snmpd12:25:500
1715033993330,2cyclictest1936245-21kworker/u8:2+flush-179:011:25:110
1715033993330,2cyclictest1910563-21kworker/u8:0+flush-179:011:20:270
1715033993328,2cyclictest1866182-21kworker/u8:1+flush-179:010:10:130
1715043993230,1cyclictest64742-21isc-net-000007:44:403
1715043993230,1cyclictest1946810-21awk11:35:133
1715043993230,1cyclictest187494-1kworker/3:2H+kblockd08:55:053
1715043993230,1cyclictest1318-21snmpd12:14:223
1715043993230,1cyclictest1318-21snmpd11:15:413
1715043993229,2cyclictest1772443-21kworker/u8:4+events_unbound08:40:063
1715043993227,4cyclictest1845205-21/usr/share/muni09:40:123
1715043993227,3cyclictest1793090-21kworker/u8:0+flush-179:009:10:173
1715043993226,4cyclictest1897989-21/usr/share/muni10:40:033
1715043993224,3cyclictest1888896-21kworker/u8:3+events_unbound10:30:033
1715039993229,2cyclictest1767964-1kworker/2:0H+kblockd12:13:212
1715035993230,1cyclictest1587248-1kworker/1:0H+kblockd11:45:011
1715035993230,1cyclictest1318-21snmpd11:24:201
1715035993229,2cyclictest1885893-21awk10:25:071
1715035993229,2cyclictest1587248-1kworker/1:0H+kblockd12:10:451
1715035993228,3cyclictest1318-21snmpd09:49:091
1715035993226,4cyclictest1876215-21/usr/share/muni10:15:021
1715035993213,18cyclictest0-21swapper/109:05:021
1715033993230,1cyclictest1318-21snmpd12:01:100
1715033993230,1cyclictest1080744-1kworker/0:2H+kblockd08:00:110
1715033993229,2cyclictest1836139-21kworker/u8:0+flush-179:010:05:230
1715033993227,4cyclictest1827860-21latency_hist09:20:010
1715043993130,0cyclictest64742-21isc-net-000008:17:403
1715043993129,1cyclictest1318-21snmpd11:25:273
1715043993129,1cyclictest1318-21snmpd07:31:063
1715043993127,3cyclictest1996540-21kworker/u8:4+flush-179:012:35:223
1715035993129,1cyclictest1808279-21awk08:55:111
1715035993129,1cyclictest1318-21snmpd12:17:071
1715033993130,1cyclictest1318-21snmpd09:59:240
1715033993129,1cyclictest1318-21snmpd11:57:370
1715033993129,1cyclictest1318-21snmpd10:56:490
1715033993129,1cyclictest1318-21snmpd10:37:450
1715033993129,1cyclictest1318-21snmpd09:33:190
1715033993129,1cyclictest1318-21snmpd08:24:170
1715033993129,1cyclictest1080744-1kworker/0:2H+kblockd07:15:270
1715033993129,1cyclictest1080744-1kworker/0:2H+kblockd07:14:460
1715033993128,1cyclictest1080744-1kworker/0:2H+kblockd10:30:430
1715043993029,1cyclictest1793595-21kworker/3:2+pm08:46:223
1715043993028,1cyclictest1318-21snmpd11:22:213
1715043993028,1cyclictest1318-21snmpd11:01:283
1715043993027,2cyclictest187494-1kworker/3:2H+kblockd11:09:533
1715035993029,1cyclictest1318-21snmpd10:01:321
1715035993028,1cyclictest1724209-21kworker/1:1+pm08:27:121
1715035993028,1cyclictest1318-21snmpd12:07:401
1715035993028,1cyclictest1318-21snmpd10:37:301
1715035993027,2cyclictest1587248-1kworker/1:0H+kblockd08:05:471
1715035993027,2cyclictest1318-21snmpd09:50:031
1715035993024,4cyclictest1991795-31munin-html12:25:321
1715035993020,2cyclictest1587248-1kworker/1:0H+kblockd12:00:001
1715033993029,1cyclictest1318-21snmpd12:15:100
1715033993029,0cyclictest1318-21snmpd09:07:400
1715033993029,0cyclictest1318-21snmpd08:07:040
1715033993028,1cyclictest1318-21snmpd08:12:170
1715033993028,1cyclictest1318-21snmpd07:46:020
1715033993027,2cyclictest1308-21munin-node09:45:010
1715033993027,2cyclictest1080744-1kworker/0:2H+kblockd11:00:460
1715043992927,1cyclictest64742-21isc-net-000010:36:413
1715043992927,1cyclictest187494-1kworker/3:2H+kblockd11:40:163
1715043992927,1cyclictest187494-1kworker/3:2H+kblockd08:05:303
1715043992926,2cyclictest1840698-21kworker/u8:2+events_unbound09:55:063
1715043992926,2cyclictest1714617-21kworker/u8:0+flush-179:007:10:253
1715033992929,0cyclictest1318-21snmpd09:54:570
1715033992926,2cyclictest1779895-21kworker/u8:1+flush-179:008:35:140
1715043992825,2cyclictest1643395-21kworker/u8:4+flush-179:007:15:053
1715043992825,2cyclictest1318-21snmpd08:30:413
1715043992823,3cyclictest1849531-21snmp_ryswitch.c09:45:013
1715035992827,0cyclictest1318-21snmpd11:12:221
1715035992826,1cyclictest1839053-21awk09:30:151
1715035992825,2cyclictest1587248-1kworker/1:0H+kblockd10:57:381
1715033992826,1cyclictest1080744-1kworker/0:2H+kblockd10:40:260
1715043992725,1cyclictest1318-21snmpd10:55:343
1715033992724,2cyclictest1779895-21kworker/u8:1+flush-179:008:55:230
1715033992721,4cyclictest1845486-21ntpq09:40:040
1715043992626,0cyclictest1318-21snmpd10:24:253
1715035992421,2cyclictest1587248-1kworker/1:0H+kblockd08:15:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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