diff options
Diffstat (limited to 'getfreq.c')
| -rw-r--r-- | getfreq.c | 53 |
1 files changed, 37 insertions, 16 deletions
@@ -26,45 +26,50 @@ #include <glib.h> /* [CORE][FREQUENCY NUMBER] */ -char AVAILABLE_FREQUENCIES[999][50][13]; -int NUMBER_OF_AVAILABLE_FREQUENCIES; +char freqs[999][50][13]; +int total_freqs; + +/*********************************************************************** + * Initialise surrounding variables, get available freqs etc + **********************************************************************/ void gf_init() { - // TO DO : get rid of magic constants gchar freq_string[500]; int i = 0; - int j = 0; - for(i = 0; i < gc_number(); ++i) + for(i = 0; i < gc_number(); i++) { - memset(freq_string, '\0', 500); + memset(freq_string, '\0', sizeof(freq_string) ); // Get available governor freqs. If no governor, try next cpu - if (gf_available(i, freq_string, 500) == -1) + if (gf_available(i, freq_string, sizeof(freq_string) ) == -1) { debug("Couldn't find gov on core %d\n",i); continue; } - /* go through every frequency in freq_string */ - j = 0; + // freq_string is a space separated list of freqs so + // iterate over each frequency in freq_string gchar* curr = &freq_string[0]; gchar* end_of_curr = g_strstr_len(curr, strlen(curr), " "); while(end_of_curr) { - memset(AVAILABLE_FREQUENCIES[i][j], '\0', 13); - memmove(AVAILABLE_FREQUENCIES[i][j], curr, end_of_curr - curr); + // TO DO : get rid of magic constants + memset(freqs[i][total_freqs], '\0', 13); // TO DO: get rid of magic constant 13 + memmove(freqs[i][total_freqs], curr, end_of_curr - curr); curr = end_of_curr+1; end_of_curr = g_strstr_len(curr, strlen(curr), " "); - ++j; + total_freqs++; } } - NUMBER_OF_AVAILABLE_FREQUENCIES = j; - debug("Found %d frequencies\n",j); + debug("Found %d frequencies\n",total_freqs); } +/*********************************************************************** + * Return current frequency for core + **********************************************************************/ int gf_current(int core) { FILE* fd; @@ -88,6 +93,10 @@ int gf_current(int core) return freq; } + +/*********************************************************************** + * Populate out with available frequencies for core + **********************************************************************/ int gf_available(int core, char* out, int size) { FILE* fd; @@ -107,6 +116,9 @@ int gf_available(int core, char* out, int size) return 0; } +/*********************************************************************** + * Populate out with a formatted, units-added freq label for freq + **********************************************************************/ void gf_get_frequency_label(int freq, char* out) { if(freq >= 1000000) // >= 1 million KHz (1GHz) @@ -117,17 +129,26 @@ void gf_get_frequency_label(int freq, char* out) debug("Prepared freq label '%s' for freq %d\n",out,freq); } +/*********************************************************************** + * Return freq value at index for core, as a string + **********************************************************************/ char* gf_freqa(int core, int index) { - return AVAILABLE_FREQUENCIES[core][index]; + return freqs[core][index]; } +/*********************************************************************** + * Return freq value at index for core, as an int + **********************************************************************/ int gf_freqi(int core, int index) { return atoi(gf_freqa(core, index)); } +/*********************************************************************** + * Return total number of frequencies + **********************************************************************/ int gf_number() { - return NUMBER_OF_AVAILABLE_FREQUENCIES; + return total_freqs; } |