misha354
misha354
/ gist:31b2eb3f83803a163b3e6b6ce72df1c9
Created
January 22, 2019 21:29
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| /* | |
| Based on Brendan Gregg's work: http://www.brendangregg.com/FlameGraphs/cpuflamegraphs.html | |
| */ | |
| global s; | |
| global quit = 0; | |
| probe timer.profile { | |
| if (pid() == target()) { |
misha354
/ gist:f82ca3ddb91b050148496f539c8a36cc
Created
January 22, 2019 21:26
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| /* | |
| Based on Brendan Gregg's work: http://www.brendangregg.com/FlameGraphs/cpuflamegraphs.html | |
| */ | |
| global s; | |
| global quit = 0; | |
| probe timer.profile { | |
| if (pid() == target()) { |
misha354
/ gist:a1408cbca4a09758429be2480c1ee4fe
Created
January 22, 2019 20:55
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| /home/vagrant/systemtapbin/bin/stap -d kernel -d /lib/x86_64-linux-gnu/libpthread-2.19.so \ | |
| -d /lib/x86_64-linux-gnu/libc-2.19.so -d /opt/dbind/sbin/named -s 32 \ | |
| --all-modules -v -D MAXBACKTRACE=100 -D MAXSTRINGLEN=4096 -D MAXMAPENTRIES=10240 \ | |
| -D DMAXACTION_INTERRUPTIBLE=500 -D MAXACTION=100000 -D STP_OVERLOAD_THRESHOLD=5000000000LL | |
misha354
/ gist:351c1d263957b603a3d45914dde53108
Created
January 22, 2019 17:18
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| named 109066 [004] 12942305.999853: sched:sched_switch: prev_comm=named prev_pid=109066 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/4 next_pid=28 next_prio=120 | |
| 7fff8181e21a __schedule ([kernel.kallsyms]) | |
| 7fff8181e645 schedule ([kernel.kallsyms]) | |
| 7fff8107ed56 exit_to_usermode_loop ([kernel.kallsyms]) | |
| 7fff81005a36 prepare_exit_to_usermode ([kernel.kallsyms]) | |
| 7fff81822b62 retint_user ([kernel.kallsyms]) | |
| 4c702c dns_name_concatenate (/opt/dbind/sbin/named) | |
| 4d86ad dns_rbt_findnode (/opt/dbind/sbin/named) | |
| 4ea502 zone_findext (/opt/dbind/sbin/named) |
misha354
/ perf-dns4-10-iad-actual.svg
Created
January 22, 2019 17:15
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misha354
/ gist:6c4200d709af921412ea51bc9ab2d982
Created
January 22, 2019 17:14
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| <?xml version="1.0" standalone="no"?> | |
| <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"> | |
| <svg version="1.1" width="1200" height="710" onload="init(evt)" viewBox="0 0 1200 710" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> | |
| <!-- Flame graph stack visualization. See https://github.com/brendangregg/FlameGraph for latest version, and http://www.brendangregg.com/flamegraphs.html for examples. --> | |
| <!-- NOTES: --> | |
| <defs > | |
| <linearGradient id="background" y1="0" y2="1" x1="0" x2="0" > | |
| <stop stop-color="#eeeeee" offset="5%" /> | |
| <stop stop-color="#eeeeb0" offset="95%" /> | |
| </linearGradient> |
misha354
/ gist:cc3bba9190a404195022b0d81aee5ace
Created
January 22, 2019 17:08
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| named 109035 [002] 12941659.413848: sched:sched_switch: prev_comm=named prev_pid=109035 prev_prio=120 prev_state=S ==> next_comm=swapper/2 next_pid=0 next_prio=120 | |
| 7fff8181e21a __schedule ([kernel.kallsyms]) | |
| 7fff8181e645 schedule ([kernel.kallsyms]) | |
| 7fff81101186 futex_wait_queue_me ([kernel.kallsyms]) | |
| 7fff8110204d futex_wait ([kernel.kallsyms]) | |
| 7fff81103897 do_futex ([kernel.kallsyms]) | |
| 7fff81104361 sys_futex ([kernel.kallsyms]) | |
| 7fff81821f4e entry_SYSCALL_64_fastpath ([kernel.kallsyms]) | |
| 7f48c1e35f1c __lll_lock_wait (/lib/x86_64-linux-gnu/libpthread-2.19.so) | |
| 7f48c1e39449 _L_cond_lock_1079 (/lib/x86_64-linux-gnu/libpthread-2.19.so) |
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misha354
/ gist:15f74ad50c4fe67fe5ae2b9e046fe2f6
Created
January 13, 2019 17:36
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| vagrant@dns4-01-us1:~$ dpkg -l | grep image | |
| ii linux-image-4.4.0-133-generic 4.4.0-133.159~14.04.1 amd64 Linux kernel image for version 4.4.0 on 64 bit x86 SMP | |
| ii linux-image-4.4.0-133-generic-dbgsym 4.4.0-133.159~14.04.1 amd64 Linux kernel debug image for version 4.4.0 on 64 bit x86 SMP | |
| vagrant@dns4-01-us1:~$ cat flame-kernel.sh | |
| #!/bin/bash | |
| /home/vagrant/systemtapbin/bin/stap -s 32 --all-modules -v -D MAXBACKTRACE=100 -D MAXSTRINGLEN=4096 -D MAXMAPENTRIES=10240 -D DMAXACTION_INTERRUPTIBLE=500 -D MAXACTION=100000 -D STP_OVERLOAD_THRESHOLD=5000000000LL flame-kernel.stp > out.stap-stacks | |
| vagrant@dns4-01-us1:~$ |
misha354
/ # weechat - 2018-07-26_13-03-42.txt
Created
July 26, 2018 17:04
weechat on macOS 10.13.5 - Homebrew build logs
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| Homebrew build logs for weechat on macOS 10.13.5 | |
| Build date: 2018-07-26 13:03:42 |
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