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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2016-07-12 12:05:56 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-07-14 04:09:09 +0200 |
| commit | e26e63be64a108c1fd12020b93b5b447ffe0532b (patch) | |
| tree | 456d74dd1e29ca602315eaa9a77460146c7e4f96 /tools/perf/config | |
| parent | perf probe: Support a special SDT probe format (diff) | |
| download | linux-e26e63be64a108c1fd12020b93b5b447ffe0532b.tar.xz linux-e26e63be64a108c1fd12020b93b5b447ffe0532b.zip | |
perf build: Add sdt feature detection
This checks whether sys/sdt.h is available or not, which is required for
DTRACE_PROBE().
We can disable this feature by passing NO_SDT=1 when building.
This flag will be used for SDT test case and further SDT events in
perftools.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/146831795615.17065.17513820540591053933.stgit@devbox
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/config')
| -rw-r--r-- | tools/perf/config/Makefile | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index 5ac428060779..24803c58049a 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -355,6 +355,16 @@ ifndef NO_LIBELF endif # NO_LIBBPF endif # NO_LIBELF +ifndef NO_SDT + ifneq ($(feature-sdt), 1) + msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev); + NO_SDT := 1; + else + CFLAGS += -DHAVE_SDT_EVENT + $(call detected,CONFIG_SDT_EVENT) + endif +endif + ifdef PERF_HAVE_JITDUMP ifndef NO_DWARF $(call detected,CONFIG_JITDUMP) |