1 files changed, 89 insertions, 0 deletions

diff --git a/apps/codecs/spc/spc_profiler.h b/apps/codecs/spc/spc_profiler.h
new file mode 100644
index 0000000000..99d3fdf16b
--- /dev/null
+++ b/apps/codecs/spc/spc_profiler.h
@@ -0,0 +1,89 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ *
+ * Copyright (C) 2006-2007 Adam Gashlin (hcs)
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+ 
+/* a fun simple elapsed time profiler */
+
+#if defined(SPC_PROFILE) && defined(USEC_TIMER)
+
+#define CREATE_TIMER(name) static uint32_t spc_timer_##name##_start,\
+    spc_timer_##name##_total
+#define ENTER_TIMER(name) spc_timer_##name##_start=USEC_TIMER
+#define EXIT_TIMER(name) spc_timer_##name##_total+=\
+    (USEC_TIMER-spc_timer_##name##_start)
+#define READ_TIMER(name) (spc_timer_##name##_total)
+#define RESET_TIMER(name) spc_timer_##name##_total=0
+
+#define PRINT_TIMER_PCT(bname,tname,nstr) ci->fdprintf( \
+    logfd,"%10ld ",READ_TIMER(bname));\
+    ci->fdprintf(logfd,"(%3d%%) " nstr "\t",\
+    ((uint64_t)READ_TIMER(bname))*100/READ_TIMER(tname))
+
+CREATE_TIMER(total);
+CREATE_TIMER(render);
+#if 0
+CREATE_TIMER(cpu);
+CREATE_TIMER(dsp);
+CREATE_TIMER(dsp_pregen);
+CREATE_TIMER(dsp_gen);
+CREATE_TIMER(dsp_mix);
+#endif
+
+static void reset_profile_timers(void) {
+    RESET_TIMER(total);
+    RESET_TIMER(render);
+#if 0
+    RESET_TIMER(cpu);
+    RESET_TIMER(dsp);
+    RESET_TIMER(dsp_pregen);
+    RESET_TIMER(dsp_gen);
+    RESET_TIMER(dsp_mix);
+#endif
+}
+
+static int logfd=-1;
+
+static void print_timers(char * path) {
+    logfd = ci->open("/spclog.txt",O_WRONLY|O_CREAT|O_APPEND);
+    ci->fdprintf(logfd,"%s:\t",path);
+    ci->fdprintf(logfd,"%10ld total\t",READ_TIMER(total));
+    PRINT_TIMER_PCT(render,total,"render");
+#if 0
+    PRINT_TIMER_PCT(cpu,total,"CPU");
+    PRINT_TIMER_PCT(dsp,total,"DSP");
+    ci->fdprintf(logfd,"(");
+    PRINT_TIMER_PCT(dsp_pregen,dsp,"pregen");
+    PRINT_TIMER_PCT(dsp_gen,dsp,"gen");
+    PRINT_TIMER_PCT(dsp_mix,dsp,"mix");
+#endif
+    ci->fdprintf(logfd,"\n");
+    
+    ci->close(logfd);
+    logfd=-1;
+}
+
+#else
+
+#define CREATE_TIMER(name)
+#define ENTER_TIMER(name)
+#define EXIT_TIMER(name)
+#define READ_TIMER(name)
+#define RESET_TIMER(name)
+#define print_timers(path)
+#define reset_profile_timers()
+
+#endif