From 24057dcb6a5d33806de66de1e42137eca398350e Mon Sep 17 00:00:00 2001 From: Jade Lovelace Date: Thu, 6 Jun 2024 02:08:20 -0700 Subject: Remove rl-next-dev We realized that there's really no good place to put these dev facing bulletins, and the user-facing release notes aren't really the worst place to put them, I guess, and we do kind of hope that it converts users to devs. Change-Id: Id9387b2964fe291cb5a3f74ad6344157f19b540c --- doc/manual/rl-next/build-timing-analysis.md | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 doc/manual/rl-next/build-timing-analysis.md (limited to 'doc/manual/rl-next') diff --git a/doc/manual/rl-next/build-timing-analysis.md b/doc/manual/rl-next/build-timing-analysis.md new file mode 100644 index 000000000..1bf803dab --- /dev/null +++ b/doc/manual/rl-next/build-timing-analysis.md @@ -0,0 +1,22 @@ +--- +synopsis: Clang build timing analysis +cls: 587 +category: Development +--- + +We now have Clang build profiling available, which generates Chrome +tracing files for each compilation unit. To enable it, run `meson configure +build -Dprofile-build=enabled` in a Clang stdenv (`nix develop +.#native-clangStdenvPackages`) then rerun the compilation. + +If you want to make the build go faster, do a clang build with meson, then run +`maintainers/buildtime_report.sh build`, then contemplate how to improve the +build time. + +You can also look at individual object files' traces in +. + +See [the wiki page][improving-build-times-wiki] for more details on how to do +this. + +[improving-build-times-wiki]: https://wiki.lix.systems/link/8#bkmrk-page-title -- cgit v1.2.3