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| author | Jiri Olsa <jolsa@redhat.com> | 2014-02-19 16:52:56 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-02-24 13:29:36 +0100 |
| commit | 45757895c785e0a4c10afd5670cdc26cea2bbc97 (patch) | |
| tree | 1c97c6d8f651a4ab316e124526a1def2e0efafd7 /tools/perf/config/feature-checks/test-libdw-dwarf-unwind.c | |
| parent | perf tools: Warn the user about how to enable libunwind support (diff) | |
| download | linux-45757895c785e0a4c10afd5670cdc26cea2bbc97.tar.xz linux-45757895c785e0a4c10afd5670cdc26cea2bbc97.zip | |
perf tools: Add feature check for libdw dwarf unwind
Adding feature check test code for libdw dwarf unwind.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1392825179-5228-4-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/config/feature-checks/test-libdw-dwarf-unwind.c')
| -rw-r--r-- | tools/perf/config/feature-checks/test-libdw-dwarf-unwind.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/perf/config/feature-checks/test-libdw-dwarf-unwind.c b/tools/perf/config/feature-checks/test-libdw-dwarf-unwind.c new file mode 100644 index 000000000000..f676a3ff442a --- /dev/null +++ b/tools/perf/config/feature-checks/test-libdw-dwarf-unwind.c @@ -0,0 +1,13 @@ + +#include <elfutils/libdwfl.h> + +int main(void) +{ + /* + * This function is guarded via: __nonnull_attribute__ (1, 2). + * Passing '1' as arguments value. This code is never executed, + * only compiled. + */ + dwfl_thread_getframes((void *) 1, (void *) 1, NULL); + return 0; +} |