On Sun, 24 Apr 2022 at 06:11, Dominique Martinet <asmadeus@xxxxxxxxxxxxx> wrote: > > musl nftw implementation does not support FTW_ACTIONRETVAL. > > There have been multiple attempts at pushing the feature in musl > upstream but it has been refused or ignored all the times: > https://www.openwall.com/lists/musl/2021/03/26/1 > https://www.openwall.com/lists/musl/2022/01/22/1 > > In this case we only care about /proc/<pid>/fd/<fd>, so it's not > too difficult to reimplement directly instead, and the new > implementation makes 'bpftool perf' slightly faster because it doesn't > needlessly stat/readdir unneeded directories (54ms -> 13ms on my machine) > > Signed-off-by: Dominique Martinet <asmadeus@xxxxxxxxxxxxx> Acked-by: Quentin Monnet <quentin@xxxxxxxxxxxxx>
