[pacman-dev] [PATCH] HACKING: add some notes /proc/sys/vm/drop_caches

Signed-off-by: Laszlo Papp <djszapi@archlinux.us> --- HACKING | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/HACKING b/HACKING index 537d9a3..63ccf1e 100644 --- a/HACKING +++ b/HACKING @@ -146,6 +146,14 @@ For example, to run valgrind: ./src/pacman/pacman valgrind --leak-check=full -- src/pacman/.libs/lt-pacman -Syu +How should I make benchmarks? +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +pacman spends most time with reading and writing the database. because of this, +it's important to drop caches before doing a benchmark. here is how to do so: + +# echo 3 > /proc/sys/vm/drop_caches + ///// vim: set ts=2 sw=2 syntax=asciidoc et: ///// -- 1.6.5