Add ability to dump cpu boost log to disk, include thread names

0.) B 0 /rockbox/apps/main.c:405
1.) B 1 /rockbox/firmware/kernel/thread.c thread[dircache]:1508
2.) B 2 /rockbox/apps/tagcache.c:4772
3.) U 3 /rockbox/apps/tagcache.c:4793

add logic to show count after log rolls over
clean-up

Change-Id: Ibda0a56e5d8d89aa8b7649f4f9fa64eb1ff0e08f

2 files changed, 11 insertions, 2 deletions

diff --git a/firmware/kernel/thread.c b/firmware/kernel/thread.c
index 307be7116a..a422624df7 100644
--- a/firmware/kernel/thread.c
+++ b/firmware/kernel/thread.c
@@ -1501,7 +1501,14 @@ static inline void boost_thread(struct thread_entry *thread, bool boost)
     if ((thread->cpu_boost != 0) != boost)
     {
         thread->cpu_boost = boost;
+#ifdef CPU_BOOST_LOGGING
+        const char fmt[] = __FILE__" thread[%s]";
+        char pathbuf[sizeof(fmt) + 32]; /* thread name 32 */
+        snprintf(pathbuf, sizeof(pathbuf), fmt, thread->name);
+        cpu_boost_(boost, pathbuf,  __LINE__);
+#else
         cpu_boost(boost);
+#endif
     }
 }
 
diff --git a/firmware/system.c b/firmware/system.c
index 537e901b05..e2fdff0e59 100644
--- a/firmware/system.c
+++ b/firmware/system.c
@@ -89,6 +89,7 @@ char * cpu_boost_log_getlog_next(void)
 
 void cpu_boost_(bool on_off, char* location, int line)
 {
+    int item = cpu_boost_calls_count;
     if (!cpu_boost_lock())
         return;
 
@@ -98,12 +99,13 @@ void cpu_boost_(bool on_off, char* location, int line)
         cpu_boost_calls_count--;
         if (cpu_boost_calls_count < 0)
             cpu_boost_calls_count = 0;
+        item += cpu_boost_first;
     }
     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?'B':'U',location,line);
+        snprintf(cpu_boost_calls[message], MAX_PATH,"%d.) %c %d %s:%d",
+                 item,on_off?'B':'U',boost_counter,location,line);
         cpu_boost_calls_count++;
     }
 #else