diff options
Diffstat (limited to 'tools/perf/bench/find-bit-bench.c')
| -rw-r--r-- | tools/perf/bench/find-bit-bench.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/perf/bench/find-bit-bench.c b/tools/perf/bench/find-bit-bench.c index d103c3136983..7e25b0e413f6 100644 --- a/tools/perf/bench/find-bit-bench.c +++ b/tools/perf/bench/find-bit-bench.c @@ -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++) { |