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Remove IntervalTimer class
ClosedPublic

Authored by labath on Oct 7 2016, 9:23 PM.

Reviewers

zturner
clayborg

Commits

Summary

it was added back in 2013, but there are no uses of it. I started refactoring
it, but then it occured to me it would better to delete it.

labath retitled this revision from to Remove IntervalTimer class.

labath updated this object.

labath added a subscriber: lldb-commits.

If it's dead code, probably don't even need to ask.

This revision is now accepted and ready to land.Oct 8 2016, 8:25 AM

clayborg edited edge metadata.

This revision was automatically updated to reflect the committed changes.

Path

Size

lldb/

trunk/

include/

lldb/

Core/

41 lines

Show First 20 Lines • Show All 79 Lines • ▼ Show 20 Lines	protected:
static std::atomic<bool> g_quiet;		static std::atomic<bool> g_quiet;
static std::atomic<unsigned> g_display_depth;		static std::atomic<unsigned> g_display_depth;

private:		private:
Timer();		Timer();
DISALLOW_COPY_AND_ASSIGN(Timer);		DISALLOW_COPY_AND_ASSIGN(Timer);
};		};

class IntervalTimer {
public:
IntervalTimer() : m_start(TimeValue::Now()) {}

~IntervalTimer() = default;

uint64_t GetElapsedNanoSeconds() const { return TimeValue::Now() - m_start; }

void Reset() { m_start = TimeValue::Now(); }

int PrintfElapsed(const char *format, ...)
__attribute__((format(printf, 2, 3))) {
TimeValue now(TimeValue::Now());
const uint64_t elapsed_nsec = now - m_start;
const char *unit = nullptr;
float elapsed_value;
if (elapsed_nsec < 1000) {
unit = "ns";
elapsed_value = (float)elapsed_nsec;
} else if (elapsed_nsec < 1000000) {
unit = "us";
elapsed_value = (float)elapsed_nsec / 1000.0f;
} else if (elapsed_nsec < 1000000000) {
unit = "ms";
elapsed_value = (float)elapsed_nsec / 1000000.0f;
} else {
unit = "sec";
elapsed_value = (float)elapsed_nsec / 1000000000.0f;
}
int result = printf("%3.2f %s: ", elapsed_value, unit);
va_list args;
va_start(args, format);
result += vprintf(format, args);
va_end(args);
return result;
}

protected:
TimeValue m_start;
};

} // namespace lldb_private		} // namespace lldb_private

#endif // liblldb_Timer_h_		#endif // liblldb_Timer_h_