perf build: Add sdt feature detection
authorMasami Hiramatsu <mhiramat@kernel.org>
Tue, 12 Jul 2016 10:05:56 +0000 (19:05 +0900)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Thu, 14 Jul 2016 02:09:09 +0000 (23:09 -0300)
commite26e63be64a108c1fd12020b93b5b447ffe0532b
tree456d74dd1e29ca602315eaa9a77460146c7e4f96
parent7e9fca51fbf8430e27fb6b29299eda575e3f00cf
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>
tools/build/Makefile.feature
tools/build/feature/Makefile
tools/build/feature/test-all.c
tools/build/feature/test-sdt.c [new file with mode: 0644]
tools/perf/Makefile.perf
tools/perf/config/Makefile
tools/perf/tests/make