Hi Arnaldo, On Thu, Jun 06, 2019 at 10:38:38AM -0300, Arnaldo Carvalho de Melo wrote: > Em Thu, Jun 06, 2019 at 05:48:44PM +0800, Leo Yan escreveu: > > This patch adds support for arm64 raw syscall numbers so that we can use > > it on arm64 platform. > > > > After applied this patch, we need to specify macro -D__aarch64__ or > > -D__x86_64__ in compilation option so Clang can use the corresponding > > syscall numbers for arm64 or x86_64 respectively, other architectures > > will report failure when compilation. > > So, please check what I have in my perf/core branch, I've completely > removed arch specific stuff from augmented_raw_syscalls.c. > > What is done now is use a map to specify what to copy, that same map > that is used to state which syscalls should be traced. > > It uses that tools/perf/arch/arm64/entry/syscalls/mksyscalltbl to figure > out the mapping of syscall names to ids, just like is done for x86_64 > and other arches, falling back to audit-libs when that syscalltbl thing > is not present. Actually I have noticed mksyscalltbl has been enabled for arm64, and had to say your approach is much better :) Thanks for the info and I will try your patch at my side. [...] Thanks, Leo Yan
