Add multi-CPU support

1 files changed, 13 insertions, 1 deletions

diff --git a/argparse.c b/argparse.c
index e46eab7..19a6493 100644
--- a/argparse.c
+++ b/argparse.c
@@ -30,6 +30,10 @@ void printhelp()
   "               Default: Always set CPU to lowest frequency on exit\n"
   "-p <time>      Poll interval in seconds\n"
   "               Default: %d\n"
+  "-P <CPU ID>    Physical CPU number (socket number) for multi-CPU systems. Given\n"
+  "               a number it will only change the governor/frequency for the\n"
+  "               given CPU, or the word \"all\" to change all CPU's\n"
+  "               Default: all\n"
   "-s <step>      Step size in Khz when increasing/decreasing CPU speed\n"
   "               Default: %ld\n"
   "-t <number>    Temperature limit\n"
@@ -73,7 +77,7 @@ void argparse(int argc, char **argv)
  memcpy(&userconfig,&config,sizeof(struct s_config));
 
 // Parse options
- while((opt=getopt(argc,argv,"c:C:d:f:g:hi:kl:mp:s:t:u"))!=-1)
+ while((opt=getopt(argc,argv,"c:C:d:f:g:hi:kl:mp:P:s:t:u"))!=-1)
  {
   DEBUG1_ARGPARSE("Argument: %c Value: %s\n",opt,optarg);
   switch(opt)
@@ -118,6 +122,14 @@ void argparse(int argc, char **argv)
    case 'p':
     userconfig.interval=strtoll(optarg,NULL,10);
     break;
+   case 'P':
+    if (strcmp(optarg,"all")==0)
+    {
+     userconfig.cpu=-1;
+    } else {
+     userconfig.cpu=strtoll(optarg,NULL,10);
+    }
+    break;
    case 's':
     userconfig.freq_step=strtoll(optarg,NULL,10);
     break;