perf trace: Remove audit-libs dependency if syscall tables are present

Change the Makefile and build process to no longer require audit-libs
interfaces when the architecture provides system call tables.

Committer notes:

Its not enough to hook into the NO_LIBAUDIT makefile block, we need to
define a CONFIG_TRACE that gets selected by both architectures
generating the syscall tables from the kernel headers and from detecting
the availability of libaudit.

With that in place we will not link against libaudit even if the
necessary files are available for that, in fact we will not even try to
detect its availability, speeding up a bit the feature detection phase.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: linux-s390@vger.kernel.org
LPU-Reference: 1516352177-11106-6-git-send-email-brueckner@linux.vnet.ibm.com
Link: https://lkml.kernel.org/n/tip-j68lub6ipm8apvy52vd3l4cm@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Hendrik Brueckner 2018-01-19 09:56:17 +01:00 committed by Arnaldo Carvalho de Melo
parent 092bd3cd71
commit b3fa38963a
6 changed files with 19 additions and 15 deletions

View file

@ -25,7 +25,7 @@ perf-y += builtin-data.o
perf-y += builtin-version.o
perf-y += builtin-c2c.o
perf-$(CONFIG_AUDIT) += builtin-trace.o
perf-$(CONFIG_TRACE) += builtin-trace.o
perf-$(CONFIG_LIBELF) += builtin-probe.o
perf-y += bench/
@ -50,6 +50,6 @@ libperf-y += util/
libperf-y += arch/
libperf-y += ui/
libperf-y += scripts/
libperf-$(CONFIG_AUDIT) += trace/beauty/
libperf-$(CONFIG_TRACE) += trace/beauty/
gtk-y += ui/gtk/

View file

@ -531,14 +531,18 @@ ifndef NO_LIBUNWIND
EXTLIBS += $(EXTLIBS_LIBUNWIND)
endif
ifndef NO_LIBAUDIT
ifneq ($(feature-libaudit), 1)
msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
NO_LIBAUDIT := 1
else
CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
EXTLIBS += -laudit
$(call detected,CONFIG_AUDIT)
ifeq ($(NO_SYSCALL_TABLE),0)
$(call detected,CONFIG_TRACE)
else
ifndef NO_LIBAUDIT
ifneq ($(feature-libaudit), 1)
msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
NO_LIBAUDIT := 1
else
CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
EXTLIBS += -laudit
$(call detected,CONFIG_TRACE)
endif
endif
endif

View file

@ -439,7 +439,7 @@ int cmd_help(int argc, const char **argv)
#ifdef HAVE_LIBELF_SUPPORT
"probe",
#endif
#ifdef HAVE_LIBAUDIT_SUPPORT
#if defined(HAVE_LIBAUDIT_SUPPORT) || defined(HAVE_SYSCALL_TABLE)
"trace",
#endif
NULL };

View file

@ -73,7 +73,7 @@ static struct cmd_struct commands[] = {
{ "lock", cmd_lock, 0 },
{ "kvm", cmd_kvm, 0 },
{ "test", cmd_test, 0 },
#ifdef HAVE_LIBAUDIT_SUPPORT
#if defined(HAVE_LIBAUDIT_SUPPORT) || defined(HAVE_SYSCALL_TABLE)
{ "trace", cmd_trace, 0 },
#endif
{ "inject", cmd_inject, 0 },
@ -485,7 +485,7 @@ int main(int argc, const char **argv)
argv[0] = cmd;
}
if (strstarts(cmd, "trace")) {
#ifdef HAVE_LIBAUDIT_SUPPORT
#if defined(HAVE_LIBAUDIT_SUPPORT) || defined(HAVE_SYSCALL_TABLE)
setup_path();
argv[0] = "trace";
return cmd_trace(argc, argv);

View file

@ -44,7 +44,7 @@ libperf-y += machine.o
libperf-y += map.o
libperf-y += pstack.o
libperf-y += session.o
libperf-$(CONFIG_AUDIT) += syscalltbl.o
libperf-$(CONFIG_TRACE) += syscalltbl.o
libperf-y += ordered-events.o
libperf-y += namespaces.o
libperf-y += comm.o

View file

@ -38,7 +38,7 @@ do
done
echo "#endif /* HAVE_LIBELF_SUPPORT */"
echo "#ifdef HAVE_LIBAUDIT_SUPPORT"
echo "#if defined(HAVE_LIBAUDIT_SUPPORT) || defined(HAVE_SYSCALL_TABLE)"
sed -n -e 's/^perf-\([^ ]*\)[ ].* audit*/\1/p' command-list.txt |
sort |
while read cmd