On Sun, Nov 3, 2024 at 9:04 PM Holger Hoffstätte <holger@xxxxxxxxxxxxxxxxxxxxxx> wrote: > > On 2024-11-02 11:04, Florian Schmaus wrote: > > Pass the value of make's -j/--jobs argument to pahole, to avoid out of > > memory errors and make pahole respect the "jobs" value of make. > > > > On systems with little memory but many cores, invoking pahole using -j > > without argument potentially creates too many pahole instances, > > causing an out-of-memory situation. Instead, we should pass make's > > "jobs" value as an argument to pahole's -j, which is likely configured > > to be (much) lower than the actual core count on such systems. > > > > If make was invoked without -j, either via cmdline or MAKEFLAGS, then > > JOBS will be simply empty, resulting in the existing behavior, as > > expected. > > > > Signed-off-by: Florian Schmaus <flo@xxxxxxxxxxxx> > > As discussed on IRC: Do not do this. Others do not see what was discussed. I guess the right thing to do is to join the jobserver. https://www.gnu.org/software/make/manual/html_node/POSIX-Jobserver.html -- Best Regards Masahiro Yamada
