pw_metric/size_report/more_metrics.cc

// Copyright 2020 The Pigweed Authors
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.

#include "pw_assert/check.h"
#include "pw_bloat/bloat_this_binary.h"
#include "pw_log/log.h"
#include "pw_metric/metric.h"

PW_METRIC_GROUP(group_bar, "bar");
PW_METRIC(group_bar, metric_a, "a", 14u);
PW_METRIC(group_bar, metric_b, "b", 14u);
PW_METRIC(group_bar, metric_c, "c", 14u);

PW_METRIC_GROUP(group_foo, "foo");
PW_METRIC(group_foo, metric_x, "x", 14u);
PW_METRIC(group_foo, metric_y, "y", 14u);

int volatile* unoptimizable;

int main() {
  pw::bloat::BloatThisBinary();

  if (*unoptimizable) {
    // Bar
    metric_a.Increment();
    metric_b.Increment();
    metric_c.Increment();

    // Foo
    metric_x.Increment();
    metric_y.Increment();
  }
  // Bar
  metric_a.Increment();
  metric_b.Increment();
  metric_c.Increment();

  // Foo
  metric_x.Increment();
  metric_y.Increment();

  // Ensure log and assert aren't optimized out.
  PW_CHECK_INT_GE(*unoptimizable, 0, "Ensure this CHECK logic stays");
  PW_LOG_INFO("Ensure logs are pulled in: %d", *unoptimizable);

  // Ensure metric_x isn't optimized out.
  PW_LOG_INFO("metric_x: %d", static_cast<int>(metric_x.value()));

  // Trigger pulling in the dump code.
  group_foo.Dump();
  group_bar.Dump();

  return *unoptimizable;
}