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Better boost calculation for multifrequency CPUs. Frequencies between minimum and maximum count as fractional boost.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29115 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2011-01-22 18:30:24 +00:00
parent 921ffe7111
commit 6d2e7769e2
2 changed files with 18 additions and 3 deletions
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19
apps/debug_menu.c
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@ -272,13 +272,18 @@ static bool dbg_audio_thread(void)
}
#endif /* !SIMULATOR */
#else /* CONFIG_CODEC == SWCODEC */
static unsigned int ticks, boost_ticks, freq_sum;
static unsigned int ticks, freq_sum;
#ifndef CPU_MULTI_FREQUENCY
static unsigned int boost_ticks;
#endif
static void dbg_audio_task(void)
{
#ifdef CPUFREQ_NORMAL
#ifndef CPU_MULTI_FREQUENCY
if(FREQ > CPUFREQ_NORMAL)
boost_ticks++;
#endif
freq_sum += FREQ/1000000; /* in MHz */
#endif
ticks++;
@ -296,7 +301,10 @@ static bool dbg_buffering_thread(void)
size_t filebuflen = audio_get_filebuflen();
/* This is a size_t, but call it a long so it puts a - when it's bad. */
ticks = boost_ticks = freq_sum = 0;
#ifndef CPU_MULTI_FREQUENCY
boost_ticks = 0;
#endif
ticks = freq_sum = 0;
tick_add_task(dbg_audio_task);
@ -378,8 +386,13 @@ static bool dbg_buffering_thread(void)
if (ticks > 0)
{
int boostquota = boost_ticks * 1000 / ticks; /* in 0.1 % */
int avgclock = freq_sum * 10 / ticks; /* in 100 kHz */
#ifdef CPU_MULTI_FREQUENCY
int boostquota = (avgclock * 100 - CPUFREQ_NORMAL/1000) /
((CPUFREQ_MAX - CPUFREQ_NORMAL) / 1000000); /* in 0.1 % */
#else
int boostquota = boost_ticks * 1000 / ticks; /* in 0.1 % */
#endif
screens[i].putsf(0, line++, "boost:%3d.%d%% (%d.%dMHz)",
boostquota/10, boostquota%10, avgclock/10, avgclock%10);
}

2
firmware/target/arm/imx31/gigabeat-s/system-target.h
View file

@ -31,6 +31,8 @@
/* Overdrive mode */
#define CPUFREQ_MAX 528000000
#define CPU_MULTI_FREQUENCY 3
static inline void udelay(unsigned long usecs)
{
unsigned long stop = GPTCNT + usecs;