From f8c68c7912da50451167fe4bcfd69717f2a30c98 Mon Sep 17 00:00:00 2001
From: Jonathan Gordon <rockbox@jdgordon.info>
Date: Mon, 22 Jan 2007 10:41:25 +0000
Subject: Simple cpu boost tracker for LOGF builds. Shows the last 64
 cpu_boost() calls from the debug menu

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12087 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/export/system.h | 18 +++++++++++++++++-
 firmware/system.c        | 48 +++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 64 insertions(+), 2 deletions(-)

(limited to 'firmware')

diff --git a/firmware/export/system.h b/firmware/export/system.h
index 688cf9bc15..6b53b88639 100644
--- a/firmware/export/system.h
+++ b/firmware/export/system.h
@@ -56,22 +56,38 @@ bool detect_flashed_romimage(void);
 bool detect_flashed_ramimage(void);
 bool detect_original_firmware(void);
 
+#if defined(HAVE_ADJUSTABLE_CPU_FREQ) \
+        && defined(ROCKBOX_HAS_LOGF)
+#define CPU_BOOST_LOGGING
+#endif
+
 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
 #define FREQ cpu_frequency
 void set_cpu_frequency(long frequency);
+#ifdef CPU_BOOST_LOGGING
+char * cpu_boost_log_getlog_first(void);
+char * cpu_boost_log_getlog_next(void);
+int cpu_boost_log_getcount(void);
+void cpu_boost_(bool on_off, char* location, int line);
+#else
 void cpu_boost(bool on_off);
+#endif
 void cpu_idle_mode(bool on_off);
 int get_cpu_boost_counter(void);
 #else
 #define FREQ CPU_FREQ
 #define set_cpu_frequency(frequency)
-#define cpu_boost(on_off)
+#define cpu_boost(on_off,location)
 #define cpu_boost_id(on_off, id)
 #define cpu_idle_mode(on_off)
 #define get_cpu_boost_counter()
 #define get_cpu_boost_tracker()
 #endif
 
+#ifdef CPU_BOOST_LOGGING
+#define cpu_boost(on_off) cpu_boost_(on_off,__FILE__,  __LINE__)
+#endif
+
 #define BAUDRATE 9600
 
 #ifndef NULL
diff --git a/firmware/system.c b/firmware/system.c
index c9ce086f0a..49f01df0cd 100644
--- a/firmware/system.c
+++ b/firmware/system.c
@@ -39,9 +39,55 @@ int get_cpu_boost_counter(void)
 {
     return boost_counter;
 }
-
+#ifdef CPU_BOOST_LOGGING
+#define MAX_BOOST_LOG 64
+static char cpu_boost_calls[MAX_BOOST_LOG][MAX_PATH];
+static int cpu_boost_first = 0;
+static int cpu_boost_calls_count = 0;
+static int cpu_boost_track_message = 0;
+int cpu_boost_log_getcount(void)
+{
+    return cpu_boost_calls_count;
+}
+char * cpu_boost_log_getlog_first(void)
+{
+    if (cpu_boost_calls_count)
+    {
+        cpu_boost_track_message = 1;
+        return cpu_boost_calls[cpu_boost_first];
+    }
+    else return NULL;
+}
+char * cpu_boost_log_getlog_next(void)
+{
+    int message = (cpu_boost_track_message+cpu_boost_first)%MAX_BOOST_LOG;
+    if (cpu_boost_track_message < cpu_boost_calls_count)
+    {
+        cpu_boost_track_message++;
+        return cpu_boost_calls[message];
+    }
+    else return NULL;
+}
+void cpu_boost_(bool on_off, char* location, int line)
+{
+    if (cpu_boost_calls_count == MAX_BOOST_LOG)
+    {
+        cpu_boost_first = (cpu_boost_first+1)%MAX_BOOST_LOG;
+        cpu_boost_calls_count--;
+        if (cpu_boost_calls_count < 0)
+            cpu_boost_calls_count = 0;
+    }
+    if (cpu_boost_calls_count < MAX_BOOST_LOG)
+    {
+        int message = (cpu_boost_first+cpu_boost_calls_count)%MAX_BOOST_LOG;
+        snprintf(cpu_boost_calls[message], MAX_PATH,
+                    "%c %s:%d",on_off==true?'B':'U',location,line);
+        cpu_boost_calls_count++;
+    }
+#else
 void cpu_boost(bool on_off)
 {
+#endif
     if(on_off)
     {
         /* Boost the frequency if not already boosted */
-- 
cgit v1.2.3