Em Fri, May 29, 2020 at 08:07:17PM +0200, Jiri Olsa escreveu: > On Fri, May 29, 2020 at 12:55:52PM -0300, Arnaldo Carvalho de Melo wrote: > > From: Arnaldo Carvalho de Melo <a...@redhat.com> > > > > This is useful to see if, on x86, the legacy libaudit still works, as it > > is used in architectures that don't have the SYSCALL_TABLE logic and we > > want to have it tested in 'make -C tools/perf/ build-test'. > > > > E.g.: > > > > Without having audit-libs-devel installed: > > > > $ make NO_SYSCALL_TABLE=1 O=/tmp/build/perf -C tools/perf install-bin > > make: Entering directory '/home/acme/git/perf/tools/perf' > > BUILD: Doing 'make -j12' parallel build > > <SNIP> > > Auto-detecting system features: > > <SNIP> > > ... libaudit: [ OFF ] > > ... libbfd: [ on ] > > ... libcap: [ on ] > > <SNIP> > > Makefile.config:664: No libaudit.h found, disables 'trace' tool, please > > install audit-libs-devel or libaudit-dev > > <SNIP> > > > > After installing it: > > > > $ rm -rf /tmp/build/perf ; mkdir -p /tmp/build/perf > > $ time make NO_SYSCALL_TABLE=1 O=/tmp/build/perf -C tools/perf > > install-bin ; perf test python > > heya, > seems ok, perhaps also put it in comment to Makefile.perf > among other NO_* stuff and to tests/make
Added this and your Acked-by (from the "seems ok") :-) Ok? - Arnaldo diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 30e41dcd4095..e3a34af38130 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -118,6 +118,9 @@ include ../scripts/utilities.mak # # Define LIBBPF_DYNAMIC to enable libbpf dynamic linking. # +# Define NO_SYSCALL_TABLE=1 to disable the use of syscall id to/from name tables +# generated from the kernel .tbl or unistd.h files and use, if available, libaudit +# for doing the conversions to/from strings/id. # As per kernel Makefile, avoid funny character set dependencies unexport LC_ALL
