diff options
| author | Ian Rogers <irogers@google.com> | 2023-03-30 11:38:25 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-04-04 09:39:56 -0300 |
| commit | d1babea9c38282b58a6f822ab95027cba3165a42 (patch) | |
| tree | fd458af3d6f6f0fdd82b2183a85502ec17897200 /tools/perf | |
| parent | 0372358a094011663e86f695e81be3b96a93b468 (diff) | |
perf bench: Avoid NDEBUG warning
With NDEBUG set the asserts are compiled out. This yields
"unused-but-set-variable" variables. Move these variables behind
NDEBUG to avoid the warning.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/r/20230330183827.1412303-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -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++) { |