diff options
Diffstat (limited to 'tools/perf/bench/find-bit-bench.c')
| -rw-r--r-- | tools/perf/bench/find-bit-bench.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/tools/perf/bench/find-bit-bench.c b/tools/perf/bench/find-bit-bench.c index d103c3136983..e697c20951bc 100644 --- a/tools/perf/bench/find-bit-bench.c +++ b/tools/perf/bench/find-bit-bench.c @@ -37,7 +37,7 @@ static noinline void workload(int val) accumulator++; } -#if (defined(__i386__) || defined(__x86_64__)) && defined(__GCC_ASM_FLAG_OUTPUTS__) +#if defined(__i386__) || defined(__x86_64__) static bool asm_test_bit(long nr, const unsigned long *addr) { bool oldbit; @@ -61,7 +61,6 @@ static int do_for_each_set_bit(unsigned int num_bits) double time_average, time_stddev; unsigned int bit, i, j; unsigned int set_bits, skip; - unsigned int old; init_stats(&fb_time_stats); init_stats(&tb_time_stats); @@ -73,7 +72,10 @@ static int do_for_each_set_bit(unsigned int num_bits) __set_bit(i, to_test); for (i = 0; i < outer_iterations; i++) { - old = accumulator; +#ifndef NDEBUG + unsigned int old = accumulator; +#endif + gettimeofday(&start, NULL); for (j = 0; j < inner_iterations; j++) { for_each_set_bit(bit, to_test, num_bits) @@ -85,7 +87,9 @@ static int do_for_each_set_bit(unsigned int num_bits) runtime_us = diff.tv_sec * USEC_PER_SEC + diff.tv_usec; update_stats(&fb_time_stats, runtime_us); +#ifndef NDEBUG old = accumulator; +#endif gettimeofday(&start, NULL); for (j = 0; j < inner_iterations; j++) { for (bit = 0; bit < num_bits; bit++) { |