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Boost-Commit : |
Subject: [Boost-commit] svn:boost r74450 - in trunk/boost/chrono: . detail/inlined/mac stopwatches
From: vicente.botet_at_[hidden]
Date: 2011-09-18 10:09:58
Author: viboes
Date: 2011-09-18 10:09:56 EDT (Sun, 18 Sep 2011)
New Revision: 74450
URL: http://svn.boost.org/trac/boost/changeset/74450
Log:
Chrono: fixed #5909: process_cpu_clock::now() on MAC gives time_points 1/1000 times + improve simple_stopwatch
Text files modified:
trunk/boost/chrono/detail/inlined/mac/process_cpu_clocks.hpp | 27 ++++++++++++++-------------
trunk/boost/chrono/process_cpu_clocks.hpp | 9 +++++++++
trunk/boost/chrono/stopwatches/simple_stopwatch.hpp | 32 +++++++++++++++++++++++++++++---
trunk/boost/chrono/system_clocks.hpp | 8 ++++----
trunk/boost/chrono/thread_clock.hpp | 7 ++++---
5 files changed, 60 insertions(+), 23 deletions(-)
Modified: trunk/boost/chrono/detail/inlined/mac/process_cpu_clocks.hpp
==============================================================================
--- trunk/boost/chrono/detail/inlined/mac/process_cpu_clocks.hpp (original)
+++ trunk/boost/chrono/detail/inlined/mac/process_cpu_clocks.hpp 2011-09-18 10:09:56 EDT (Sun, 18 Sep 2011)
@@ -33,7 +33,7 @@
else
{
BOOST_ASSERT( factor <= 1000000l ); // doesn't handle large ticks
- factor = 1000000l / factor; // compute factor
+ factor = 1000000000l / factor; // compute factor
if ( !factor ) factor = -1;
}
}
@@ -55,7 +55,7 @@
if ( chrono_detail::tick_factor() != -1 )
{
return time_point(
- microseconds(c)*chrono_detail::tick_factor());
+ nanoseconds(c*chrono_detail::tick_factor()));
}
else
{
@@ -96,7 +96,7 @@
ec.clear();
}
return time_point(
- microseconds(c)*chrono_detail::tick_factor());
+ nanoseconds(c*chrono_detail::tick_factor()));
}
else
{
@@ -148,7 +148,7 @@
ec.clear();
}
return time_point(
- microseconds(tm.tms_utime + tm.tms_cutime)*chrono_detail::tick_factor());
+ nanoseconds((tm.tms_utime + tm.tms_cutime)*chrono_detail::tick_factor()));
}
else
{
@@ -182,7 +182,7 @@
if ( chrono_detail::tick_factor() != -1 )
{
return time_point(
- microseconds(tm.tms_utime + tm.tms_cutime)*chrono_detail::tick_factor());
+ nanoseconds((tm.tms_utime + tm.tms_cutime)*chrono_detail::tick_factor()));
}
else
{
@@ -204,7 +204,7 @@
if ( chrono_detail::tick_factor() != -1 )
{
return time_point(
- microseconds(tm.tms_stime + tm.tms_cstime)*chrono_detail::tick_factor());
+ nanoseconds((tm.tms_stime + tm.tms_cstime)*chrono_detail::tick_factor()));
}
else
{
@@ -244,7 +244,7 @@
ec.clear();
}
return time_point(
- microseconds(tm.tms_stime + tm.tms_cstime)*chrono_detail::tick_factor());
+ nanoseconds((tm.tms_stime + tm.tms_cstime)*chrono_detail::tick_factor()));
}
else
{
@@ -278,8 +278,8 @@
if ( chrono_detail::tick_factor() != -1 )
{
time_point::rep r(
- c*chrono_detail::tick_factor(),
- (tm.tms_utime + tm.tms_cutime)*chrono_detail::tick_factor(),
+ c*chrono_detail::tick_factor(),
+ (tm.tms_utime + tm.tms_cutime)*chrono_detail::tick_factor(),
(tm.tms_stime + tm.tms_cstime)*chrono_detail::tick_factor());
return time_point(duration(r));
}
@@ -294,6 +294,7 @@
process_cpu_clock::time_point process_cpu_clock::now(
system::error_code & ec )
{
+
tms tm;
clock_t c = ::times( &tm );
if ( c == clock_t(-1) ) // error
@@ -316,10 +317,10 @@
{
if ( chrono_detail::tick_factor() != -1 )
{
- time_point::rep r(
- c*chrono_detail::tick_factor(),
- (tm.tms_utime + tm.tms_cutime)*chrono_detail::tick_factor(),
- (tm.tms_stime + tm.tms_cstime)*chrono_detail::tick_factor());
+ time_point::rep r(
+ c*chrono_detail::tick_factor(),
+ (tm.tms_utime + tm.tms_cutime)*chrono_detail::tick_factor(),
+ (tm.tms_stime + tm.tms_cstime)*chrono_detail::tick_factor());
return time_point(duration(r));
}
else
Modified: trunk/boost/chrono/process_cpu_clocks.hpp
==============================================================================
--- trunk/boost/chrono/process_cpu_clocks.hpp (original)
+++ trunk/boost/chrono/process_cpu_clocks.hpp 2011-09-18 10:09:56 EDT (Sun, 18 Sep 2011)
@@ -74,6 +74,11 @@
: real(0)
, user(0)
, system(0){}
+ explicit process_cpu_clock_times(
+ process_real_cpu_clock::rep r)
+ : real(r)
+ , user(0)
+ , system(0){}
process_cpu_clock_times(
process_real_cpu_clock::rep r,
process_user_cpu_clock::rep u,
@@ -86,6 +91,10 @@
process_user_cpu_clock::rep user; // user cpu time
process_system_cpu_clock::rep system; // system cpu time
+ operator process_real_cpu_clock::rep()
+ {
+ return real;
+ }
bool operator==(process_cpu_clock_times const& rhs) {
return (real==rhs.real &&
user==rhs.user &&
Modified: trunk/boost/chrono/stopwatches/simple_stopwatch.hpp
==============================================================================
--- trunk/boost/chrono/stopwatches/simple_stopwatch.hpp (original)
+++ trunk/boost/chrono/stopwatches/simple_stopwatch.hpp 2011-09-18 10:09:56 EDT (Sun, 18 Sep 2011)
@@ -11,6 +11,8 @@
#include <boost/chrono/chrono.hpp>
#include <boost/system/error_code.hpp>
+#include <boost/chrono/thread_clock.hpp>
+#include <boost/chrono/process_cpu_clocks.hpp>
namespace boost
{
@@ -18,7 +20,7 @@
{
/**
- * This class provides the simpler stopwath which is just able to give the elapsed time since its creation.
+ * This class provides the simpler stopwatch which is just able to give the elapsed time since its construction.
*/
template<typename Clock=high_resolution_clock>
class simple_stopwatch
@@ -32,7 +34,7 @@
BOOST_CHRONO_STATIC_CONSTEXPR bool is_steady = Clock::is_steady;
- simple_stopwatch() :
+ simple_stopwatch() BOOST_CHRONO_NOEXCEPT :
start_(clock::now())
{
}
@@ -50,7 +52,11 @@
start_ = tmp;
}
- duration elapsed()
+ ~simple_stopwatch() BOOST_CHRONO_NOEXCEPT
+ {
+ }
+
+ duration elapsed() BOOST_CHRONO_NOEXCEPT
{
return clock::now() - start_;
}
@@ -67,8 +73,28 @@
private:
time_point start_;
+ simple_stopwatch(const simple_stopwatch&); // = delete;
+ simple_stopwatch& operator=(const simple_stopwatch&); // = delete;
};
+ typedef simple_stopwatch<system_clock> system_simple_stopwatch;
+#ifdef BOOST_CHRONO_HAS_CLOCK_STEADY
+ typedef simple_stopwatch<steady_clock> steady_simple_stopwatch;
+#endif
+ typedef simple_stopwatch<high_resolution_clock> high_resolution_simple_stopwatch;
+
+#if defined(BOOST_CHRONO_HAS_PROCESS_CLOCKS)
+ typedef simple_stopwatch<process_user_cpu_clock> process_user_cpu_simple_stopwatch;
+ typedef simple_stopwatch<process_system_cpu_clock> process_system_cpu_simple_stopwatch;
+ typedef simple_stopwatch<process_real_cpu_clock> process_real_cpu_simple_stopwatch;
+ typedef simple_stopwatch<process_cpu_clock> process_cpu_simple_stopwatch;
+#endif
+
+#if defined(BOOST_CHRONO_HAS_THREAD_CLOCK)
+ typedef simple_stopwatch<thread_clock> thread_simple_stopwatch;
+#endif
+
+
} // namespace chrono
} // namespace boost
Modified: trunk/boost/chrono/system_clocks.hpp
==============================================================================
--- trunk/boost/chrono/system_clocks.hpp (original)
+++ trunk/boost/chrono/system_clocks.hpp 2011-09-18 10:09:56 EDT (Sun, 18 Sep 2011)
@@ -127,8 +127,8 @@
typedef chrono::time_point<system_clock> time_point;
BOOST_CHRONO_STATIC_CONSTEXPR bool is_steady = false;
- static BOOST_CHRONO_INLINE time_point now() BOOST_CHRONO_NOEXCEPT; // throws on error
- static BOOST_CHRONO_INLINE time_point now(system::error_code & ec) ; // never throws
+ static BOOST_CHRONO_INLINE time_point now() BOOST_CHRONO_NOEXCEPT;
+ static BOOST_CHRONO_INLINE time_point now(system::error_code & ec);
static BOOST_CHRONO_INLINE std::time_t to_time_t(const time_point& t) BOOST_CHRONO_NOEXCEPT;
static BOOST_CHRONO_INLINE time_point from_time_t(std::time_t t) BOOST_CHRONO_NOEXCEPT;
@@ -151,8 +151,8 @@
typedef chrono::time_point<steady_clock> time_point;
BOOST_CHRONO_STATIC_CONSTEXPR bool is_steady = true;
- static BOOST_CHRONO_INLINE time_point now() BOOST_CHRONO_NOEXCEPT; // throws on error
- static BOOST_CHRONO_INLINE time_point now(system::error_code & ec) ; // never throws
+ static BOOST_CHRONO_INLINE time_point now() BOOST_CHRONO_NOEXCEPT;
+ static BOOST_CHRONO_INLINE time_point now(system::error_code & ec);
};
#endif
//----------------------------------------------------------------------------//
Modified: trunk/boost/chrono/thread_clock.hpp
==============================================================================
--- trunk/boost/chrono/thread_clock.hpp (original)
+++ trunk/boost/chrono/thread_clock.hpp 2011-09-18 10:09:56 EDT (Sun, 18 Sep 2011)
@@ -10,6 +10,8 @@
#ifndef BOOST_CHRONO_THREAD_CLOCK_HPP
#define BOOST_CHRONO_THREAD_CLOCK_HPP
+#if defined(BOOST_CHRONO_HAS_THREAD_CLOCK)
+
#include <boost/chrono/config.hpp>
#include <boost/chrono/duration.hpp>
#include <boost/chrono/time_point.hpp>
@@ -20,8 +22,6 @@
#include <boost/config/abi_prefix.hpp> // must be the last #include
#endif
-#if defined(BOOST_CHRONO_HAS_THREAD_CLOCK)
-
namespace boost { namespace chrono {
class BOOST_CHRONO_DECL thread_clock {
@@ -38,7 +38,6 @@
} // namespace chrono
} // namespace boost
-#endif
#ifndef BOOST_CHRONO_HEADER_ONLY
#include <boost/config/abi_suffix.hpp> // pops abi_prefix.hpp pragmas
@@ -46,4 +45,6 @@
#include <boost/chrono/detail/inlined/thread_clock.hpp>
#endif
+#endif
+
#endif // BOOST_CHRONO_THREAD_CLOCK_HPP
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