base: fix compile of time on Windows
Change-Id: Ic470b03d97270aa7bb23f1cb8dc3d816f94febe2
diff --git a/src/base/time.cc b/src/base/time.cc
index 3ea2343..e799542 100644
--- a/src/base/time.cc
+++ b/src/base/time.cc
@@ -79,7 +79,7 @@
// Make sure that at least 50 ms elapsed between the 2 readings. The first
// time that this function is called, we don't expect this to be the case.
- // Note: The longer the elapsed time between the 2 readings is, the morehttps://chromium-status.appspot.com/
+ // Note: The longer the elapsed time between the 2 readings is, the more
// accurate the computed TSC frequency will be. The 50 ms value was
// chosen because local benchmarks show that it allows us to get a
// stddev of less than 1 tick/us between multiple runs.
@@ -91,7 +91,8 @@
PERFETTO_CHECK(perf_counter_now >= perf_counter_initial);
const int64_t perf_counter_ticks = perf_counter_now - perf_counter_initial;
const double elapsed_time_seconds =
- perf_counter_ticks / static_cast<double>(perf_counter_frequency.QuadPart);
+ static_cast<double>(perf_counter_ticks) /
+ static_cast<double>(perf_counter_frequency.QuadPart);
constexpr double kMinimumEvaluationPeriodSeconds = 0.05;
if (elapsed_time_seconds < kMinimumEvaluationPeriodSeconds)
@@ -102,8 +103,9 @@
const uint64_t tsc_ticks = tsc_now - tsc_initial;
// Racing with another thread to write |tsc_ticks_per_second| is benign
// because both threads will write a valid result.
- tsc_ticks_per_second.store(tsc_ticks / elapsed_time_seconds,
- std::memory_order_relaxed);
+ tsc_ticks_per_second.store(
+ static_cast<double>(tsc_ticks) / elapsed_time_seconds,
+ std::memory_order_relaxed);
return tsc_ticks_per_second.load(std::memory_order_relaxed);
}
@@ -149,7 +151,8 @@
return TimeNanos();
// Return the CPU time of the current thread.
- const double thread_time_seconds = thread_cycle_time / tsc_ticks_per_second;
+ const double thread_time_seconds =
+ static_cast<double>(thread_cycle_time) / tsc_ticks_per_second;
constexpr int64_t kNanosecondsPerSecond = 1000 * 1000 * 1000;
return TimeNanos(
static_cast<int64_t>(thread_time_seconds * kNanosecondsPerSecond));
