Factor the basic metrics (memory, uptime, etc.) into a separate class, so that Kaeru...

[nageru] / basic_stats.h

diff --git a/basic_stats.h b/basic_stats.h
new file mode 100644 (file)
index 0000000..800d6e6
--- /dev/null
+++ b/basic_stats.h
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+#ifndef _BASIC_STATS_H
+#define _BASIC_STATS_H
+
+// Holds some metrics for basic statistics about uptime, memory usage and such.
+
+#include <stdint.h>
+
+#include <atomic>
+#include <chrono>
+
+extern bool uses_mlock;
+
+class BasicStats {
+public:
+       BasicStats(bool verbose);
+       void update(int frame_num, int stats_dropped_frames);
+
+private:
+       std::chrono::steady_clock::time_point start;
+       bool verbose;
+
+       // Metrics.
+       std::atomic<int64_t> metric_frames_output_total{0};
+       std::atomic<int64_t> metric_frames_output_dropped{0};
+       std::atomic<double> metric_start_time_seconds{0.0 / 0.0};
+       std::atomic<int64_t> metrics_memory_used_bytes{0};
+       std::atomic<double> metrics_memory_locked_limit_bytes{0.0 / 0.0};
+};
+
+#endif  // !defined(_BASIC_STATS_H)