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disk buffer stats patch ported from 2.X

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git-svn-id: svn://localhost/ardour2/branches/3.0@5014 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2009-04-30 15:03:55 +00:00
parent e41527d5ba
commit 075f5170ef
2 changed files with 74 additions and 1 deletions
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59
gtk2_ardour/ardour_ui.cc
View file

@ -909,8 +909,14 @@ void
ARDOUR_UI::update_buffer_load ()
{
char buf[64];
uint32_t c, p;
if (session) {
c = session->capture_load ();
p = session->playback_load ();
push_buffer_stats (c, p);
snprintf (buf, sizeof (buf), _("Buffers p:%" PRIu32 "%% c:%" PRIu32 "%%"),
session->playback_load(), session->capture_load());
buffer_load_label.set_text (buf);
@ -2932,11 +2938,61 @@ ARDOUR_UI::xrun_handler(nframes_t where)
}
}
void
ARDOUR_UI::push_buffer_stats (uint32_t capture, uint32_t playback)
{
time_t now;
time (&now);
while (disk_buffer_stats.size() > 60) {
disk_buffer_stats.pop_front ();
}
disk_buffer_stats.push_back (DiskBufferStat (now, capture, playback));
}
void
ARDOUR_UI::write_buffer_stats ()
{
std::ofstream fout;
struct tm tm;
char buf[64];
char* path;
if ((path = tempnam (0, "ardourBuffering")) == 0) {
cerr << X_("cannot find temporary name for ardour buffer stats") << endl;
return;
}
fout.open (path);
if (!fout) {
cerr << string_compose (X_("cannot open file %1 for ardour buffer stats"), path) << endl;
return;
}
for (list<DiskBufferStat>::iterator i = disk_buffer_stats.begin(); i != disk_buffer_stats.end(); ++i) {
localtime_r (&(*i).when, &tm);
strftime (buf, sizeof (buf), "%T", &tm);
fout << buf << ' ' << (*i).capture << ' ' << (*i).playback << endl;
}
disk_buffer_stats.clear ();
fout.close ();
cerr << "Ardour buffering statistics can be found in: " << path << endl;
free (path);
}
void
ARDOUR_UI::disk_overrun_handler ()
{
ENSURE_GUI_THREAD (mem_fun(*this, &ARDOUR_UI::disk_overrun_handler));
write_buffer_stats ();
if (!have_disk_speed_dialog_displayed) {
have_disk_speed_dialog_displayed = true;
MessageDialog* msg = new MessageDialog (*editor, _("\
@ -2953,8 +3009,11 @@ quickly enough to keep up with recording.\n"));
void
ARDOUR_UI::disk_underrun_handler ()
{
ENSURE_GUI_THREAD (mem_fun(*this, &ARDOUR_UI::disk_underrun_handler));
write_buffer_stats ();
if (!have_disk_speed_dialog_displayed) {
have_disk_speed_dialog_displayed = true;
MessageDialog* msg = new MessageDialog (*editor,

16
gtk2_ardour/ardour_ui.h
View file

@ -20,6 +20,8 @@
#ifndef __ardour_gui_h__
#define __ardour_gui_h__
#include <time.h>
/* need _BSD_SOURCE to get timersub macros */
#ifdef _BSD_SOURCE
@ -31,7 +33,6 @@
#endif
#include <list>
#include <cmath>
#include <libgnomecanvasmm/canvas.h>
@ -637,6 +638,19 @@ class ARDOUR_UI : public Gtkmm2ext::UI
ARDOUR::microseconds_t last_peak_grab;
ARDOUR::microseconds_t last_shuttle_request;
struct DiskBufferStat {
time_t when;
uint32_t capture;
uint32_t playback;
DiskBufferStat (time_t w, uint32_t c, uint32_t p)
: when (w), capture (c), playback (p) {}
};
std::list<DiskBufferStat> disk_buffer_stats;
void push_buffer_stats (uint32_t, uint32_t);
void write_buffer_stats ();
bool have_disk_speed_dialog_displayed;
void disk_speed_dialog_gone (int ignored_response, Gtk::MessageDialog*);
void disk_overrun_handler ();