diff options
Diffstat (limited to '')
| -rw-r--r-- | system.c | 54 |
1 files changed, 50 insertions, 4 deletions
@@ -1,4 +1,4 @@ -/* $Id: system.c,v 1.9 2000/03/28 07:22:15 reinelt Exp $ +/* $Id: system.c,v 1.10 2000/04/13 06:09:52 reinelt Exp $ * * system status retreivement * @@ -20,6 +20,14 @@ * * * $Log: system.c,v $ + * Revision 1.10 2000/04/13 06:09:52 reinelt + * + * added BogoMips() to system.c (not used by now, maybe sometimes we can + * calibrate our delay loop with this value) + * + * added delay loop to HD44780 driver. It seems to be quite fast now. Hopefully + * no compiler will optimize away the delay loop! + * * Revision 1.9 2000/03/28 07:22:15 reinelt * * version 0.95 released @@ -71,6 +79,9 @@ * char *Processor (void); * returns processor type ('i686') * + * double BogoMips (void); + * returns BogoMips from /proc/cpuinfo + * * int Memory (void); * returns main memory (Megabytes) * @@ -126,7 +137,7 @@ static int parse_meminfo (char *tag, char *buffer) p=strstr(buffer, tag); if (p==NULL) { - fprintf (stderr, "parse(/proc/meminfo) failed: no %s line\n", tag); + fprintf (stderr, "parse(/proc/meminfo) failed: no '%s' line\n", tag); return -1; } if (sscanf(p+strlen(tag), "%lu", &val)<1) { @@ -184,6 +195,41 @@ char *Processor(void) return buffer; } +double BogoMips (void) +{ + static double val=-2; + char buffer[4096]; + + if (val==-1) return -1; + + if (val==-2) { + char *p; + int fd=open("/proc/meminfo", O_RDONLY); + if (fd==-1) { + perror ("open(/proc/cpuinfo) failed"); + val=-1; + return -1; + } + if (read (fd, &buffer, sizeof(buffer)-1)==-1) { + perror ("read(/proc/cpuinfo) failed"); + val=-1; + return -1; + } + p=strstr(buffer, "bogomips"); + if (p==NULL) { + fprintf (stderr, "parse(/proc/cpuinfo) failed: no 'bogomips' line\n"); + val=-1; + return -1; + } + if (sscanf(p+8, " : %lf", &val)<1) { + fprintf (stderr, "scanf(/proc/cpuinfo) failed\n"); + val=-1; + return -1; + } + } + return val; +} + int Memory(void) { static int value=-1; @@ -404,7 +450,7 @@ int Disk (int *r, int *w) } p=strstr(buffer, "disk_rblk"); if (p==NULL) { - fprintf (stderr, "parse(/proc/stat) failed: no disk_rblk line\n"); + fprintf (stderr, "parse(/proc/stat) failed: no 'disk_rblk' line\n"); fd=-1; return -1; } @@ -415,7 +461,7 @@ int Disk (int *r, int *w) } p=strstr(buffer, "disk_wblk"); if (p==NULL) { - fprintf (stderr, "parse(/proc/stat) failed: no disk_wblk line\n"); + fprintf (stderr, "parse(/proc/stat) failed: no 'disk_wblk' line\n"); fd=-1; return -1; } |