X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fcycle_timer.cc;h=a86124c5555901b4f4e1f413222c6ff07dac4928;hb=e77729125ec262b6a01e8fc22b236995cd37a7f6;hp=143cb841ecf8f2e8878132a312df3c5de7842811;hpb=c268314b64c2235b0d69c3854e303accd2cad4d9;p=ardour.git

diff --git a/libs/ardour/cycle_timer.cc b/libs/ardour/cycle_timer.cc
index 143cb841ec..a86124c555 100644
--- a/libs/ardour/cycle_timer.cc
+++ b/libs/ardour/cycle_timer.cc
@@ -18,23 +18,27 @@
 */
 
 #include <cstdio>
-#include <pbd/error.h>
-#include <ardour/cycle_timer.h>
+#include <fstream>
+#include "pbd/error.h"
+#include "ardour/cycle_timer.h"
+
+#include "ardour/libardour_visibility.h"
 
 #include "i18n.h"
 
+using namespace std;
 using namespace PBD;
 
 float CycleTimer::cycles_per_usec = 0;
 
 float
-CycleTimer::get_mhz()
+get_mhz()
 {
 	FILE *f;
-	
+
 	if ((f = fopen("/proc/cpuinfo", "r")) == 0) {
 		fatal << _("CycleTimer::get_mhz(): can't open /proc/cpuinfo") << endmsg;
-		/*NOTREACHED*/
+		abort(); /*NOTREACHED*/
 		return 0.0f;
 	}
 
@@ -46,7 +50,7 @@ CycleTimer::get_mhz()
 
 		if (fgets (buf, sizeof(buf), f) == 0) {
 			fatal << _("CycleTimer::get_mhz(): cannot locate cpu MHz in /proc/cpuinfo") << endmsg;
-			/*NOTREACHED*/
+			abort(); /*NOTREACHED*/
 			return 0.0f;
 		}
 
@@ -68,7 +72,59 @@ CycleTimer::get_mhz()
 		}
 	}
 
-	fatal << _("cannot locate cpu MHz in /proc/cpuinfo") << endmsg; 
-	/*NOTREACHED*/
+	fatal << _("cannot locate cpu MHz in /proc/cpuinfo") << endmsg;
+	abort(); /*NOTREACHED*/
 	return 0.0f;
 }
+
+StoringTimer::StoringTimer (int N)
+{
+	_point = new int[N];
+	_value = new cycles_t[N];
+	_ref = new cycles_t[N];
+	_max_points = N;
+	_points = 0;
+}
+
+#ifndef NDEBUG
+void
+StoringTimer::dump (string const & file)
+{
+	ofstream f (file.c_str ());
+
+	f << min (_points, _max_points) << "\n";
+	f << get_mhz () << "\n";
+	for (int i = 0; i < min (_points, _max_points); ++i) {
+		f << _point[i] << " " << _ref[i] << " " << _value[i] << "\n";
+	}
+}
+#endif
+
+void
+StoringTimer::ref ()
+{
+	_current_ref = get_cycles ();
+}
+
+void
+StoringTimer::check (int p)
+{
+	if (_points == _max_points) {
+		++_points;
+		return;
+	} else if (_points > _max_points) {
+		return;
+	}
+
+	_point[_points] = p;
+	_value[_points] = get_cycles ();
+	_ref[_points] = _current_ref;
+
+	++_points;
+}
+
+#ifdef PT_TIMING
+StoringTimer ST (64 * 1024);
+#endif
+
+