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perf build: Add sdt feature detection

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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>
This commit is contained in:
Masami Hiramatsu
2016-07-12 19:05:56 +09:00
committed by Arnaldo Carvalho de Melo
parent 7e9fca51fb
commit e26e63be64
7 changed files with 34 additions and 3 deletions
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5
tools/build/feature/test-all.c
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@@ -145,6 +145,10 @@
# include "test-libcrypto.c"
#undef main
#define main main_test_sdt
# include "test-sdt.c"
#undef main
int main(int argc, char *argv[])
{
main_test_libpython();
@@ -178,6 +182,7 @@ int main(int argc, char *argv[])
main_test_get_cpuid();
main_test_bpf();
main_test_libcrypto();
main_test_sdt();
return 0;
}