diff options
Diffstat (limited to 'src/libs/3rdparty/botan/src/lib/utils/timer.h')
| -rw-r--r-- | src/libs/3rdparty/botan/src/lib/utils/timer.h | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/src/libs/3rdparty/botan/src/lib/utils/timer.h b/src/libs/3rdparty/botan/src/lib/utils/timer.h deleted file mode 100644 index 86a17b4626..0000000000 --- a/src/libs/3rdparty/botan/src/lib/utils/timer.h +++ /dev/null @@ -1,216 +0,0 @@ -/* -* (C) 2018 Jack Lloyd -* -* Botan is released under the Simplified BSD License (see license.txt) -*/ - -#ifndef BOTAN_TIMER_H_ -#define BOTAN_TIMER_H_ - -#include <botan/types.h> -#include <botan/internal/os_utils.h> -#include <string> -#include <chrono> - -namespace Botan { - -class BOTAN_TEST_API Timer final - { - public: - Timer(const std::string& name, - const std::string& provider, - const std::string& doing, - uint64_t event_mult, - size_t buf_size, - double clock_cycle_ratio, - uint64_t clock_speed) - : m_name(name + ((provider.empty() || provider == "base") ? "" : " [" + provider + "]")) - , m_doing(doing) - , m_buf_size(buf_size) - , m_event_mult(event_mult) - , m_clock_cycle_ratio(clock_cycle_ratio) - , m_clock_speed(clock_speed) - {} - - Timer(const std::string& name, size_t buf_size = 0) : - Timer(name, "", "", 1, buf_size, 0.0, 0) - {} - - Timer(const Timer& other) = default; - - static uint64_t get_system_timestamp_ns() - { - return Botan::OS::get_system_timestamp_ns(); - } - - static uint64_t get_cpu_cycle_counter() - { - return Botan::OS::get_processor_timestamp(); - } - - void start() - { - stop(); - m_timer_start = Timer::get_system_timestamp_ns(); - m_cpu_cycles_start = Timer::get_cpu_cycle_counter(); - } - - void stop(); - - bool under(std::chrono::milliseconds msec) - { - return (milliseconds() < msec.count()); - } - - class Timer_Scope final - { - public: - explicit Timer_Scope(Timer& timer) - : m_timer(timer) - { - m_timer.start(); - } - ~Timer_Scope() - { - try - { - m_timer.stop(); - } - catch(...) {} - } - private: - Timer& m_timer; - }; - - template<typename F> - auto run(F f) -> decltype(f()) - { - Timer_Scope timer(*this); - return f(); - } - - template<typename F> - void run_until_elapsed(std::chrono::milliseconds msec, F f) - { - while(this->under(msec)) - { - run(f); - } - } - - uint64_t value() const - { - return m_time_used; - } - - double seconds() const - { - return milliseconds() / 1000.0; - } - - double milliseconds() const - { - return value() / 1000000.0; - } - - double ms_per_event() const - { - return milliseconds() / events(); - } - - uint64_t cycles_consumed() const - { - if(m_clock_speed != 0) - { - return static_cast<uint64_t>((m_clock_speed * value()) / 1000.0); - } - return m_cpu_cycles_used; - } - - uint64_t events() const - { - return m_event_count * m_event_mult; - } - - const std::string& get_name() const - { - return m_name; - } - - const std::string& doing() const - { - return m_doing; - } - - size_t buf_size() const - { - return m_buf_size; - } - - double bytes_per_second() const - { - return seconds() > 0.0 ? events() / seconds() : 0.0; - } - - double events_per_second() const - { - return seconds() > 0.0 ? events() / seconds() : 0.0; - } - - double seconds_per_event() const - { - return events() > 0 ? seconds() / events() : 0.0; - } - - void set_custom_msg(const std::string& s) - { - m_custom_msg = s; - } - - bool operator<(const Timer& other) const - { - if(this->doing() != other.doing()) - return (this->doing() < other.doing()); - - return (this->get_name() < other.get_name()); - } - - std::string to_string() const - { - if(m_custom_msg.size() > 0) - { - return m_custom_msg; - } - else if(this->buf_size() == 0) - { - return result_string_ops(); - } - else - { - return result_string_bps(); - } - } - - private: - std::string result_string_bps() const; - std::string result_string_ops() const; - - // const data - std::string m_name, m_doing; - size_t m_buf_size; - uint64_t m_event_mult; - double m_clock_cycle_ratio; - uint64_t m_clock_speed; - - // set at runtime - std::string m_custom_msg; - uint64_t m_time_used = 0, m_timer_start = 0; - uint64_t m_event_count = 0; - - uint64_t m_max_time = 0, m_min_time = 0; - uint64_t m_cpu_cycles_start = 0, m_cpu_cycles_used = 0; - }; - -} - -#endif |