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2026-03-25 - 03:17
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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 rack2slot0.osadl.org (updated Wed Mar 25, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2100321060,0sleep20-21swapper/221:40:132
15252930,2sleep32133899cyclictest22:58:523
15252930,2sleep32133899cyclictest22:58:523
12022880,0sleep00-21swapper/023:59:250
37142810,2sleep12132899cyclictest23:01:541
54852770,4sleep20-21swapper/223:48:102
156782770,0sleep10-21swapper/122:08:121
298692600,0sleep30-21swapper/321:28:243
63112570,0sleep10-21swapper/121:33:191
312432560,0sleep30-21swapper/322:38:253
227262560,1sleep222723-21sshd00:10:002
193992560,0sleep20-21swapper/223:58:072
115952550,1sleep3674-21dbus-daemon00:29:043
60342520,1sleep16032-21sshd00:25:381
84222510,0sleep00-21swapper/022:53:440
28142510,1sleep22810-21sshd23:50:462
10932510,0sleep00-21swapper/022:18:240
45282500,0sleep3391rcuc/321:35:533
221292500,0sleep1231rcuc/123:43:521
37282490,0sleep30-21swapper/300:31:123
99472480,0sleep20-21swapper/222:04:522
255582480,2sleep32133899cyclictest00:01:323
119172480,0sleep20-21swapper/222:51:062
191832470,0sleep00-21swapper/022:25:410
233262460,0sleep223328-21grep22:23:142
307292440,1sleep0111rcuc/023:30:130
274812430,1sleep327466-21bash22:29:243
2101823328,3sleep00-21swapper/019:07:310
211082298,7sleep10-21swapper/119:08:401
2102022311,7sleep20-21swapper/219:07:332
2091122210,7sleep30-21swapper/319:06:153
238372200,0sleep20-21swapper/222:08:562
47602190,4sleep20-21swapper/222:41:492
2133899190,12cyclictest19238-21sshd22:22:523
21328991919,0cyclictest241ktimersoftd/122:49:121
202392190,0sleep10-21swapper/123:37:551
310582180,1sleep0101ktimersoftd/023:12:590
310582180,1sleep0101ktimersoftd/023:12:590
15662180,1sleep09-21ksoftirqd/023:39:100
83692170,0sleep18370-21systemd-cgroups22:36:191
73372170,1sleep07338-21bash22:33:220
27032170,0sleep20-21swapper/221:49:582
80542160,0sleep30-21swapper/300:08:413
30812160,0sleep10-21swapper/123:30:341
222812160,1sleep341-21ksoftirqd/323:49:433
21328991615,0cyclictest9188-21lspci21:44:511
21328991614,1cyclictest24713-21kworker/1:123:18:451
21328991614,1cyclictest19570-21kworker/1:223:52:561
16722160,0sleep01593-21sshd21:13:190
300602150,0sleep30-21swapper/300:10:343
275202150,0sleep127522-21bash21:24:131
2132899152,1cyclictest16473-21consoletype21:26:431
21328991514,0cyclictest614-21lspci00:19:311
21328991514,0cyclictest22765-21kworker/1:221:58:311
21328991514,0cyclictest18491-21lspci00:06:411
21328991513,1cyclictest31195-21kworker/1:322:21:231
12982150,1sleep21285-21bash00:08:042
234662140,0sleep30-21swapper/321:43:143
2133899140,10cyclictest0-21swapper/323:04:423
2133899140,10cyclictest0-21swapper/322:07:123
21328991413,0cyclictest29149-21lspci22:00:441
21328991412,1cyclictest19012-21kworker/1:222:31:481
2132899141,12cyclictest0-21swapper/122:25:431
178702140,0sleep30-21swapper/322:16:593
4932130,0sleep30-21swapper/323:30:203
2133899139,0cyclictest0-21swapper/300:17:123
2133899130,0cyclictest0-21swapper/322:04:223
21328991313,0cyclictest527-40kipmi022:55:131
21328991313,0cyclictest527-40kipmi022:55:131
21328991311,1cyclictest16240-21kworker/1:221:18:591
2132899130,12cyclictest15631-21sshd22:19:431
2132399130,12cyclictest27066-21sshd23:21:100
2132399130,12cyclictest0-21swapper/023:41:400
105742130,0sleep10-21swapper/123:11:081
105742130,0sleep10-21swapper/123:11:081
104042130,0sleep20-21swapper/222:45:132
2133899120,1cyclictest1-21systemd23:13:423
2133899120,1cyclictest1-21systemd23:13:423
2133899120,1cyclictest0-21swapper/322:43:533
2133899120,11cyclictest6094-21sshd21:13:523
21334991210,1cyclictest29003-21ntp_kernel_pll_19:25:152
2133499120,1cyclictest0-21swapper/200:36:062
2133499120,11cyclictest6618-21bash21:13:552
2133499120,11cyclictest17519-21sshd23:11:462
2133499120,11cyclictest17519-21sshd23:11:452
2133499120,11cyclictest0-21swapper/223:36:552
2133499120,11cyclictest0-21swapper/221:32:052
2132899129,2cyclictest699-21gdbus22:10:531
21328991211,1cyclictest17869-21kworker/1:023:06:371
21328991210,1cyclictest9307-21lspci21:47:391
21328991210,1cyclictest17179-21lspci21:39:531
2132899120,1cyclictest131rcu_sched00:13:441
2132899120,11cyclictest18961-21bash00:21:031
2132399120,11cyclictest674-21dbus-daemon21:52:400
2132399120,11cyclictest1-21systemd21:15:110
2132399120,11cyclictest0-21swapper/022:49:510
30972110,1sleep233-21ksoftirqd/223:21:582
2133899119,1cyclictest1883-21bash21:32:523
2133899110,10cyclictest13254-21lspci21:45:123
2133899110,10cyclictest0-21swapper/321:21:423
2133899110,10cyclictest0-21swapper/320:55:123
2133899110,10cyclictest0-21swapper/300:38:023
21334991110,0cyclictest0-21swapper/223:02:452
2133499110,10cyclictest0-21swapper/221:57:052
2133499110,10cyclictest0-21swapper/200:29:562
2132899119,1cyclictest25-21ksoftirqd/100:03:521
21328991111,0cyclictest8385-21kworker/1:323:27:061
21328991110,0cyclictest16195-21kworker/1:023:58:071
21328991110,0cyclictest14862-21kworker/1:022:50:511
2132899110,10cyclictest0-21swapper/100:34:331
2132399119,1cyclictest32453-21sshd23:18:500
2132399119,1cyclictest13242-21grep21:36:400
21323991110,0cyclictest0-21swapper/022:38:500
2132399110,1cyclictest27574-21bash22:55:200
2132399110,1cyclictest27574-21bash22:55:200
2132399110,1cyclictest26642-21lspci00:39:100
2132399110,10cyclictest23819-21sshd00:04:200
2132399110,10cyclictest0-21swapper/023:08:410
2132399110,10cyclictest0-21swapper/021:31:200
2133899109,0cyclictest0-21swapper/323:42:023
2133899109,0cyclictest0-21swapper/322:48:123
2133899109,0cyclictest0-21swapper/321:50:323
2133899100,0cyclictest28074-21sshd21:57:523
2133499109,0cyclictest0-21swapper/223:26:152
2133499109,0cyclictest0-21swapper/222:12:052
2133499109,0cyclictest0-21swapper/221:37:252
2133499109,0cyclictest0-21swapper/221:22:352
2133499109,0cyclictest0-21swapper/220:21:252
2133499109,0cyclictest0-21swapper/200:23:462
2133499109,0cyclictest0-21swapper/200:17:372
2133499108,1cyclictest620-17auditd22:56:062
2133499108,1cyclictest620-17auditd22:56:052
2133499100,0cyclictest0-21swapper/221:53:262
2133499100,0cyclictest0-21swapper/220:40:152
2133499100,0cyclictest0-21swapper/219:46:252
2132899100,1cyclictest0-21swapper/100:35:321
2132399109,0cyclictest0-21swapper/023:50:400
2132399109,0cyclictest0-21swapper/022:20:100
2132399109,0cyclictest0-21swapper/000:20:400
2132399108,1cyclictest19503-21latency_hist22:00:000
2132399108,1cyclictest0-21swapper/000:26:500
213389998,0cyclictest0-21swapper/323:27:023
213389998,0cyclictest0-21swapper/323:23:523
213389997,1cyclictest12321-21tty22:30:523
213349998,0cyclictest0-21swapper/222:18:552
213349998,0cyclictest0-21swapper/220:09:552
213349998,0cyclictest0-21swapper/220:04:252
213289999,0cyclictest241ktimersoftd/119:57:431
213289998,0cyclictest31195-21kworker/1:321:50:211
213289997,1cyclictest25-21ksoftirqd/122:42:421
213289996,1cyclictest25-21ksoftirqd/123:45:311
213239999,0cyclictest0-21swapper/023:29:500
213239998,0cyclictest0-21swapper/022:11:200
213239997,1cyclictest24349-21cp21:49:000
213389987,0cyclictest0-21swapper/322:10:023
213389986,1cyclictest660-21avahi-daemon23:05:183
213389986,1cyclictest24428-21lspci00:21:333
213389985,2cyclictest660-21avahi-daemon23:58:563
213389985,2cyclictest660-21avahi-daemon23:37:003
213389985,2cyclictest660-21avahi-daemon23:17:273
213349987,0cyclictest0-21swapper/223:32:352
213349987,0cyclictest0-21swapper/221:03:262
213349985,2cyclictest660-21avahi-daemon23:17:372
213349985,2cyclictest5568-21sshd22:27:252
213349985,1cyclictest699-21gdbus00:00:312
213349980,7cyclictest0-21swapper/220:19:552
213289988,0cyclictest241ktimersoftd/119:32:271
213289981,1cyclictest131rcu_sched21:12:131
213289980,1cyclictest13576-21grep23:20:021
213239986,1cyclictest28299-21sshd21:43:410
213239986,1cyclictest26001-21lspci22:00:270
213239985,2cyclictest660-21avahi-daemon22:42:320
213239985,2cyclictest660-21avahi-daemon22:05:040
213239985,2cyclictest660-21avahi-daemon00:32:470
213239985,2cyclictest660-21avahi-daemon00:07:370
213239984,3cyclictest649-21polkitd00:17:330
213389976,1cyclictest3310-21lspci22:50:193
213389974,2cyclictest699-21gdbus21:16:003
213389974,2cyclictest12772-21sshd23:51:433
213349976,0cyclictest0-21swapper/223:40:052
213349976,0cyclictest0-21swapper/219:34:552
213349975,1cyclictest660-21avahi-daemon23:06:222
213349975,1cyclictest660-21avahi-daemon22:35:112
213349975,1cyclictest660-21avahi-daemon21:15:342
213349975,1cyclictest660-21avahi-daemon00:31:212
213349974,2cyclictest15277-21sshd22:31:092
213289976,0cyclictest0-21swapper/119:12:131
213289975,1cyclictest25-21ksoftirqd/121:10:001
213289975,1cyclictest25-21ksoftirqd/119:40:001
213239976,0cyclictest0-21swapper/021:21:500
213239976,0cyclictest0-21swapper/020:11:200
213239975,1cyclictest660-21avahi-daemon23:45:200
213239975,1cyclictest660-21avahi-daemon21:26:080
213239975,1cyclictest660-21avahi-daemon00:11:270
213239975,1cyclictest456-21sshd23:01:370
213239970,0cyclictest0-21swapper/019:31:300
213389964,1cyclictest674-21dbus-daemon19:45:003
213389964,1cyclictest660-21avahi-daemon20:29:593
213389963,2cyclictest1002-21snmpd21:06:453
213389963,2cyclictest1002-21snmpd21:01:123
213389963,2cyclictest1002-21snmpd20:21:413
213389960,5cyclictest0-21swapper/320:39:323
213389960,5cyclictest0-21swapper/319:11:223
213349965,0cyclictest0-21swapper/219:50:152
213349964,1cyclictest660-21avahi-daemon21:25:032
213349963,2cyclictest1002-21snmpd20:53:032
213349963,2cyclictest1002-21snmpd20:28:322
213349960,5cyclictest0-21swapper/219:20:452
213289966,0cyclictest25879-21kworker/1:019:29:271
213289965,0cyclictest0-21swapper/120:35:131
213289964,1cyclictest699-21gdbus20:29:551
213289963,2cyclictest13908-21sadc20:10:001
213239965,0cyclictest0-21swapper/020:05:500
213239965,0cyclictest0-21swapper/019:36:400
213239964,1cyclictest26607-21mii-tool19:20:140
213239962,3cyclictest20040-21perf20:25:000
213239960,5cyclictest0-21swapper/019:56:100
213389954,0cyclictest0-21swapper/320:06:123
213389953,1cyclictest30894-21cat20:50:133
213389953,1cyclictest29754-21unixbench_singl20:45:193
213389953,1cyclictest26859-21cat20:40:133
213389953,1cyclictest17546-21grep20:15:173
213389953,1cyclictest1002-21snmpd20:00:163
213389953,1cyclictest1002-21snmpd19:46:013
213389953,1cyclictest1002-21snmpd19:37:183
213389953,1cyclictest1002-21snmpd19:33:013
213389953,1cyclictest1002-21snmpd19:26:093
213389952,2cyclictest24548-21cat19:15:133
213389952,2cyclictest1002-21snmpd19:20:573
213389950,4cyclictest22603-21grep20:30:143
213349953,1cyclictest660-21avahi-daemon20:49:472
213349953,1cyclictest32694-21cat19:35:142
213349953,1cyclictest2415-21cat19:40:142
213349953,1cyclictest23650-21tail19:15:002
213349953,1cyclictest1088-21ntpd20:55:142
213349953,1cyclictest1002-21snmpd20:36:362
213349953,1cyclictest1002-21snmpd20:32:562
213349953,1cyclictest1002-21snmpd20:11:192
213349953,1cyclictest1002-21snmpd19:58:192
213349953,1cyclictest1002-21snmpd19:13:152
213349952,2cyclictest5173-21wc21:05:192
213289955,0cyclictest9813-21kworker/1:320:00:031
213289954,0cyclictest0-21swapper/119:17:331
213289953,1cyclictest646-21lsmd20:40:201
213289953,1cyclictest6451-21cat19:50:131
213289953,1cyclictest4319-21grep19:45:131
213289953,1cyclictest1705-21sendmail19:40:371
213289953,1cyclictest14604-21cat20:10:171
213289953,1cyclictest1002-21snmpd21:00:481
213289953,1cyclictest1002-21snmpd20:52:031
213289953,1cyclictest1002-21snmpd20:49:151
213289953,1cyclictest1002-21snmpd20:32:081
213289953,1cyclictest1002-21snmpd20:20:111
213289953,1cyclictest1002-21snmpd20:16:381
213289952,2cyclictest1002-21snmpd20:55:391
213289950,4cyclictest26133-21/usr/sbin/munin19:20:151
213239954,0cyclictest0-21swapper/020:40:200
213239954,0cyclictest0-21swapper/020:00:400
213239954,0cyclictest0-21swapper/019:40:100
213239953,1cyclictest7333-21grep19:50:190
213239953,1cyclictest660-21avahi-daemon20:55:110
213239953,1cyclictest20252-21/usr/sbin/munin20:25:200
213239953,1cyclictest16273-21cpuspeed_turbos20:15:090
213239953,1cyclictest1002-21snmpd20:51:280
213239953,1cyclictest1002-21snmpd20:30:260
213239953,1cyclictest1002-21snmpd19:15:570
213239952,2cyclictest28870-21needreboot19:25:150
213239952,2cyclictest28551-21cat20:45:110
213239952,2cyclictest21841-21head19:10:130
213239952,2cyclictest1002-21snmpd21:05:300
213239952,2cyclictest1002-21snmpd19:49:040
213239950,4cyclictest2209-21grep21:00:120
213389942,1cyclictest8076-21chrt19:55:113
213389942,1cyclictest5999-21cpu19:50:113
213389942,1cyclictest14265-21cpuspeed_turbos20:10:143
213239942,1cyclictest24735-21wc20:35:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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