diff options
Diffstat (limited to 'tools/perf/config/feature-checks')
| -rw-r--r-- | tools/perf/config/feature-checks/Makefile | 8 | ||||
| -rw-r--r-- | tools/perf/config/feature-checks/test-all.c | 10 | ||||
| -rw-r--r-- | tools/perf/config/feature-checks/test-on-exit.c | 16 | ||||
| -rw-r--r-- | tools/perf/config/feature-checks/test-sync-compare-and-swap.c | 14 |
4 files changed, 23 insertions, 25 deletions
diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile index 2da103c53f89..6088f8d8a434 100644 --- a/tools/perf/config/feature-checks/Makefile +++ b/tools/perf/config/feature-checks/Makefile @@ -5,6 +5,7 @@ FILES= \ test-bionic.bin \ test-dwarf.bin \ test-fortify-source.bin \ + test-sync-compare-and-swap.bin \ test-glibc.bin \ test-gtk2.bin \ test-gtk2-infobar.bin \ @@ -24,7 +25,6 @@ FILES= \ test-libslang.bin \ test-libunwind.bin \ test-libunwind-debug-frame.bin \ - test-on-exit.bin \ test-stackprotector-all.bin \ test-timerfd.bin \ test-libdw-dwarf-unwind.bin @@ -133,9 +133,6 @@ test-liberty-z.bin: test-cplus-demangle.bin: $(BUILD) -liberty -test-on-exit.bin: - $(BUILD) - test-backtrace.bin: $(BUILD) @@ -145,6 +142,9 @@ test-timerfd.bin: test-libdw-dwarf-unwind.bin: $(BUILD) +test-sync-compare-and-swap.bin: + $(BUILD) -Werror + -include *.d ############################### diff --git a/tools/perf/config/feature-checks/test-all.c b/tools/perf/config/feature-checks/test-all.c index fc37eb3ca17b..a7d022e161c0 100644 --- a/tools/perf/config/feature-checks/test-all.c +++ b/tools/perf/config/feature-checks/test-all.c @@ -69,10 +69,6 @@ # include "test-libbfd.c" #undef main -#define main main_test_on_exit -# include "test-on-exit.c" -#undef main - #define main main_test_backtrace # include "test-backtrace.c" #undef main @@ -93,6 +89,10 @@ # include "test-libdw-dwarf-unwind.c" #undef main +#define main main_test_sync_compare_and_swap +# include "test-sync-compare-and-swap.c" +#undef main + int main(int argc, char *argv[]) { main_test_libpython(); @@ -110,12 +110,12 @@ int main(int argc, char *argv[]) main_test_gtk2(argc, argv); main_test_gtk2_infobar(argc, argv); main_test_libbfd(); - main_test_on_exit(); main_test_backtrace(); main_test_libnuma(); main_test_timerfd(); main_test_stackprotector_all(); main_test_libdw_dwarf_unwind(); + main_test_sync_compare_and_swap(argc, argv); return 0; } diff --git a/tools/perf/config/feature-checks/test-on-exit.c b/tools/perf/config/feature-checks/test-on-exit.c deleted file mode 100644 index 8e88b16e6ded..000000000000 --- a/tools/perf/config/feature-checks/test-on-exit.c +++ /dev/null @@ -1,16 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> - -static void exit_fn(int status, void *__data) -{ - printf("exit status: %d, data: %d\n", status, *(int *)__data); -} - -static int data = 123; - -int main(void) -{ - on_exit(exit_fn, &data); - - return 321; -} diff --git a/tools/perf/config/feature-checks/test-sync-compare-and-swap.c b/tools/perf/config/feature-checks/test-sync-compare-and-swap.c new file mode 100644 index 000000000000..c34d4ca4af56 --- /dev/null +++ b/tools/perf/config/feature-checks/test-sync-compare-and-swap.c @@ -0,0 +1,14 @@ +#include <stdint.h> + +volatile uint64_t x; + +int main(int argc, char *argv[]) +{ + uint64_t old, new = argc; + + argv = argv; + do { + old = __sync_val_compare_and_swap(&x, 0, 0); + } while (!__sync_bool_compare_and_swap(&x, old, new)); + return old == new; +} |
