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perf_timer: allow profiling more granular than millisecond

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This commit is contained in:
moneromooo-monero 2017-08-01 14:05:20 +01:00
parent bda8c5983b
commit 19d7f568ce
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GPG Key ID: 686F07454D6CEFC3
1 changed files with 9 additions and 6 deletions
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15
src/common/perf_timer.h
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@ -46,9 +46,9 @@ extern __thread std::vector<PerformanceTimer*> *performance_timers;
class PerformanceTimer class PerformanceTimer
{ {
public: public:
PerformanceTimer(const std::string &s, el::Level l = el::Level::Debug): name(s), level(l), started(false) PerformanceTimer(const std::string &s, uint64_t unit, el::Level l = el::Level::Debug): name(s), unit(unit), level(l), started(false)
{ {
ticks = epee::misc_utils::get_tick_count(); ticks = epee::misc_utils::get_ns_count();
if (!performance_timers) if (!performance_timers)
{ {
MLOG(level, "PERF ----------"); MLOG(level, "PERF ----------");
@ -69,9 +69,9 @@ public:
~PerformanceTimer() ~PerformanceTimer()
{ {
performance_timers->pop_back(); performance_timers->pop_back();
ticks = epee::misc_utils::get_tick_count() - ticks; ticks = epee::misc_utils::get_ns_count() - ticks;
char s[12]; char s[12];
snprintf(s, sizeof(s), "%8llu ", (unsigned long long)ticks); snprintf(s, sizeof(s), "%8llu ", (unsigned long long)ticks / (1000000000 / unit));
MLOG(level, "PERF " << s << std::string(performance_timers->size() * 2, ' ') << " " << name); MLOG(level, "PERF " << s << std::string(performance_timers->size() * 2, ' ') << " " << name);
if (performance_timers->empty()) if (performance_timers->empty())
{ {
@ -82,6 +82,7 @@ public:
private: private:
std::string name; std::string name;
uint64_t unit;
el::Level level; el::Level level;
uint64_t ticks; uint64_t ticks;
bool started; bool started;
@ -89,7 +90,9 @@ private:
void set_performance_timer_log_level(el::Level level); void set_performance_timer_log_level(el::Level level);
#define PERF_TIMER(name) tools::PerformanceTimer pt_##name(#name, tools::performance_timer_log_level) #define PERF_TIMER_UNIT(name, unit) tools::PerformanceTimer pt_##name(#name, unit, tools::performance_timer_log_level)
#define PERF_TIMER_L(name, l) tools::PerformanceTimer pt_##name(#name, l) #define PERF_TIMER_UNIT_L(name, unit, l) tools::PerformanceTimer pt_##name(#name, unit, l)
#define PERF_TIMER(name) PERF_TIMER_UNIT(name, 1000)
#define PERF_TIMER_L(name, l) PERF_TIMER_UNIT_L(name, 1000, l)
} }