Give nw qw's timedemo statistics.

This commit is contained in:
Bill Currie 2010-12-14 08:58:38 +09:00
parent 28338bc74e
commit 0e677ce0f0
2 changed files with 63 additions and 8 deletions

View File

@ -28,8 +28,7 @@
# include "config.h"
#endif
static __attribute__ ((used)) const char rcsid[] =
"$Id$";
static __attribute__ ((used)) const char rcsid[] = "$Id$";
#ifdef HAVE_STRING_H
# include <string.h>
@ -51,13 +50,23 @@ static __attribute__ ((used)) const char rcsid[] =
#include "compat.h"
#include "host.h"
typedef struct {
int frames;
double time;
double fps;
} td_stats_t;
char demoname[1024];
int timedemo_count;
int timedemo_runs;
td_stats_t *timedemo_data;
static void CL_FinishTimeDemo (void);
cvar_t *demo_gzip;
cvar_t *demo_speed;
cvar_t *demo_quit;
/*
DEMO CODE
@ -128,8 +137,7 @@ CL_GetMessage (void)
if (cls.demoplayback) {
// decide if it is time to grab the next message
if (cls.signon == SIGNONS) // always grab until fully connected
{
if (cls.signon == SIGNONS) { // always grab until fully connected
if (cls.timedemo) {
if (host_framecount == cls.td_lastframe)
return 0; // already read this frame's message
@ -154,8 +162,7 @@ CL_GetMessage (void)
LittleLong (net_message->message->cursize);
if (net_message->message->cursize > MAX_MSGLEN)
Sys_Error ("Demo message > MAX_MSGLEN");
r =
Qread (cls.demofile, net_message->message->data,
r = Qread (cls.demofile, net_message->message->data,
net_message->message->cursize);
if (r != net_message->message->cursize) {
CL_StopPlayback ();
@ -342,6 +349,7 @@ CL_PlayDemo_f (void)
Sys_Printf ("play <demoname> : plays a demo\n");
return;
}
timedemo_runs = timedemo_count = 1; // make sure looped timedemos stop
strncpy (demoname, Cmd_Argv (1), sizeof (demoname));
CL_StartDemo ();
}
@ -355,10 +363,17 @@ CL_StartTimeDemo (void)
// all the loading time doesn't get counted
cls.timedemo = true;
cls.td_starttime = 0;
cls.td_startframe = host_framecount;
cls.td_lastframe = -1; // get a new message this frame
}
static inline double
sqr (double x)
{
return x * x;
}
static void
CL_FinishTimeDemo (void)
{
@ -374,8 +389,40 @@ CL_FinishTimeDemo (void)
time = 1;
Sys_Printf ("%i frame%s %.4g seconds %.4g fps\n", frames,
frames == 1 ? "" : "s", time, frames / time);
if (--timedemo_count > 0)
timedemo_count--;
timedemo_data[timedemo_count].frames = frames;
timedemo_data[timedemo_count].time = time;
timedemo_data[timedemo_count].fps = frames / time;
if (timedemo_count > 0) {
CL_StartTimeDemo ();
} else {
if (--timedemo_runs > 0) {
double average = 0;
double variance = 0;
double min, max;
int i;
min = max = timedemo_data[0].fps;
for (i = 0; i < timedemo_runs; i++) {
average += timedemo_data[i].fps;
min = min (min, timedemo_data[i].fps);
max = max (max, timedemo_data[i].fps);
}
average /= timedemo_runs;
for (i = 0; i < timedemo_runs; i++)
variance += sqr (timedemo_data[i].fps - average);
variance /= timedemo_runs;
Sys_Printf ("timedemo stats for %d runs:\n", timedemo_runs);
Sys_Printf (" average fps: %.3f\n", average);
Sys_Printf (" min/max fps: %.3f/%.3f\n", min, max);
Sys_Printf ("std deviation: %.3f fps\n", sqrt (variance));
}
free (timedemo_data);
timedemo_data = 0;
if (demo_quit->int_val)
Cbuf_InsertText (host_cbuf, "quit\n");
}
}
@ -394,11 +441,17 @@ CL_TimeDemo_f (void)
Sys_Printf ("timedemo <demoname> [count]: gets demo speeds\n");
return;
}
timedemo_runs = timedemo_count = 1; // make sure looped timedemos stop
if (Cmd_Argc () == 3) {
timedemo_count = atoi (Cmd_Argv (2));
} else {
timedemo_count = 1;
}
timedemo_runs = timedemo_count = max (timedemo_count, 1);
if (timedemo_data)
free (timedemo_data);
timedemo_data = calloc (timedemo_runs, sizeof (td_stats_t));
strncpy (demoname, Cmd_Argv (1), sizeof (demoname));
CL_StartTimeDemo ();
}
@ -413,4 +466,6 @@ CL_Demo_Init (void)
demo_speed = Cvar_Get ("demo_speed", "1.0", CVAR_NONE, NULL,
"adjust demo playback speed. 1.0 = normal, "
"< 1 slow-mo, > 1 timelapse");
demo_quit = Cvar_Get ("demo_quit", "0", CVAR_NONE, NULL,
"automaticly quit after a timedemo has finished");
}

View File

@ -983,7 +983,7 @@ CL_FinishTimeDemo (void)
demo_timeframes_isactive = 0;
timedemo_count--;
timedemo_data[timedemo_count].frames = time;
timedemo_data[timedemo_count].frames = frames;
timedemo_data[timedemo_count].time = time;
timedemo_data[timedemo_count].fps = frames / time;
if (timedemo_count > 0) {