[lcd4linux @ 2000-03-17 09:21:42 by reinelt]

various memory statistics added git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@11 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
2026-02-27 09:44:34 +08:00 · 2000-03-17 09:21:42 +00:00
parent 1f0791dbac
commit db5e3666b5
11 changed files with 216 additions and 40 deletions
--- a/MatrixOrbital.c
+++ b/MatrixOrbital.c
@@ -1,4 +1,4 @@
-/* $Id: MatrixOrbital.c,v 1.5 2000/03/13 15:58:24 reinelt Exp $
+/* $Id: MatrixOrbital.c,v 1.6 2000/03/17 09:21:42 reinelt Exp $
 *
 *  driver for Matrix Orbital serial display modules
 *
@@ -20,6 +20,10 @@
 *
 *
 * $Log: MatrixOrbital.c,v $
+ * Revision 1.6  2000/03/17 09:21:42  reinelt
+ *
+ * various memory statistics added
+ *
 * Revision 1.5  2000/03/13 15:58:24  reinelt
 *
 * release 0.9
@@ -30,7 +34,6 @@
 *
 * first unstable but running release
 *
- *
 */

 /* 
@@ -246,7 +249,7 @@ static void MO_define_chars (void)
    }
    Segment[i].ascii=c;
    buffer[2]=c;
-    switch (Segment[i].type & (BAR_L | BAR_R | BAR_U | BAR_D)) {
+    switch (Segment[i].type) {
    case BAR_L:
      for (j=0; j<4; j++) {
 	char Pixel[] = { 0, 1, 3, 7, 15, 31 };
@@ -360,7 +363,7 @@ int MO_bar (int type, int row, int col, int max, int len1, int len2)
  if (len2<1) len2=1;
  else if (len2>max) len2=max;
  
-  switch (type & (BAR_L | BAR_R | BAR_U | BAR_D)) {
+  switch (type) {
  case BAR_L:
    len1=max-len1;
    len2=max-len2;
--- a/2
+++ b/2
@@ -691,7 +691,7 @@ fi

 PACKAGE=lcd4linux

-VERSION=0.9
+VERSION=0.91

 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
  { echo "configure: error: source directory already configured; run "make distclean" there first" 1>&2; exit 1; }
--- a/configure.in
+++ b/configure.in
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_INIT(lcd4linux.c)
-AM_INIT_AUTOMAKE(lcd4linux, 0.9)
+AM_INIT_AUTOMAKE(lcd4linux, 0.91)

 dnl Checks for programs.
 AC_PROG_CC
--- a/display.c
+++ b/display.c
@@ -1,4 +1,4 @@
-/* $Id: display.c,v 1.5 2000/03/13 15:58:24 reinelt Exp $
+/* $Id: display.c,v 1.6 2000/03/17 09:21:42 reinelt Exp $
 *
 * framework for device drivers
 *
@@ -20,6 +20,10 @@
 *
 *
 * $Log: display.c,v $
+ * Revision 1.6  2000/03/17 09:21:42  reinelt
+ *
+ * various memory statistics added
+ *
 * Revision 1.5  2000/03/13 15:58:24  reinelt
 *
 * release 0.9
@@ -127,11 +131,10 @@ int lcd_bar (int type, int row, int col, int max, int len1, int len2)
  if (col<1 || col>Display->cols) return -1;
  if (!(type & (BAR_H2 | BAR_V2))) len2=len1;
  if (type & BAR_LOG) {
-    type &= ~BAR_LOG;
    len1=(double)max*log(len1+1)/log(max); 
    len2=(double)max*log(len2+1)/log(max); 
  }
-  return Display->bar(type, row-1, col-1, max, len1, len2);
+  return Display->bar (type & BAR_HV, row-1, col-1, max, len1, len2);
 }

 int lcd_flush (void)
--- a/display.h
+++ b/display.h
@@ -1,4 +1,4 @@
-/* $Id: display.h,v 1.6 2000/03/13 15:58:24 reinelt Exp $
+/* $Id: display.h,v 1.7 2000/03/17 09:21:42 reinelt Exp $
 *
 * framework for device drivers
 *
@@ -20,6 +20,10 @@
 *
 *
 * $Log: display.h,v $
+ * Revision 1.7  2000/03/17 09:21:42  reinelt
+ *
+ * various memory statistics added
+ *
 * Revision 1.6  2000/03/13 15:58:24  reinelt
 *
 * release 0.9
@@ -56,6 +60,7 @@

 #define BAR_H (BAR_L | BAR_R)
 #define BAR_V (BAR_U | BAR_D)
+#define BAR_HV (BAR_H | BAR_V)

 typedef struct DISPLAY {
  char name[16];
--- a/lcd4linux.c
+++ b/lcd4linux.c
@@ -1,4 +1,4 @@
-/* $Id: lcd4linux.c,v 1.3 2000/03/13 15:58:24 reinelt Exp $
+/* $Id: lcd4linux.c,v 1.4 2000/03/17 09:21:42 reinelt Exp $
 *
 * LCD4Linux
 *
@@ -20,6 +20,10 @@
 *
 *
 * $Log: lcd4linux.c,v $
+ * Revision 1.4  2000/03/17 09:21:42  reinelt
+ *
+ * various memory statistics added
+ *
 * Revision 1.3  2000/03/13 15:58:24  reinelt
 *
 * release 0.9
@@ -51,6 +55,7 @@ double overload;
 int tick, tack, tau;
 int rows, cols, xres, yres, supported_bars;

+struct { int total, used, free, shared, buffer, cache, apps; } ram;
 struct { double load1, load2, load3, overload; } load;
 struct { double user, nice, system, idle; } busy;
 struct { int read, write, total, max, peak; } disk;
@@ -65,8 +70,12 @@ static void usage(void)

 static void collect_data (void) 
 {
-  Busy (&busy.user, &busy.nice, &busy.system, &busy.idle);
+  Ram (&ram.total, &ram.free, &ram.shared, &ram.buffer, &ram.cache); 
+  ram.used=ram.total-ram.free;
+  ram.apps=ram.used-ram.buffer-ram.cache;
+
  Load (&load.load1, &load.load2, &load.load3);
+  Busy (&busy.user, &busy.nice, &busy.system, &busy.idle);

  Disk (&disk.read, &disk.write);
  disk.total=disk.read+disk.write;
@@ -88,6 +97,21 @@ static double query (int token)
 {
  switch (token) {
    
+  case T_MEM_TOTAL:
+    return ram.total;
+  case T_MEM_USED:
+    return ram.used;
+  case T_MEM_FREE:
+    return ram.free;
+  case T_MEM_SHARED:
+    return ram.shared;
+  case T_MEM_BUFFER:
+    return ram.buffer;
+  case T_MEM_CACHE:
+    return ram.cache;
+  case T_MEM_APP:
+    return ram.apps;
+
  case T_LOAD_1:
    return load.load1;
  case T_LOAD_2:
@@ -151,6 +175,16 @@ static double query_bar (int token)
  double value=query(token);
  
  switch (token) {
+
+  case T_MEM_TOTAL:
+  case T_MEM_USED:
+  case T_MEM_FREE:
+  case T_MEM_SHARED:
+  case T_MEM_BUFFER:
+  case T_MEM_CACHE:
+  case T_MEM_APP:
+    return value/ram.total;
+
  case T_LOAD_1:
  case T_LOAD_2:
  case T_LOAD_3:
@@ -207,6 +241,15 @@ void print_token (int token, char **p)
  case T_OVERLOAD:
    *(*p)++=load.load1>load.overload?'!':' ';
    break;
+  case T_MEM_TOTAL:
+  case T_MEM_USED:
+  case T_MEM_FREE:
+  case T_MEM_SHARED:
+  case T_MEM_BUFFER:
+  case T_MEM_CACHE:
+  case T_MEM_APP:
+    *p+=sprintf (*p, "%6.0f", query(token));
+    break;
  case T_CPU_USER:
  case T_CPU_NICE:
  case T_CPU_SYSTEM:
@@ -247,9 +290,13 @@ char *process_row (int r, char *s)
 	val2=val1;
      lcd_bar (type, r, p-buffer+1, len*xres, val1*len*xres, val2*len*xres);
 	
-      for (i=0; i<len && p-buffer<cols; i++)
+      if (type & BAR_H) {
+	for (i=0; i<len && p-buffer<cols; i++)
+	  *p++='\t';
+      } else {
 	*p++='\t';
-	
+      }
+      
    } else {
      *p++=*s;
    }
--- a/lcd4linux.conf.sample
+++ b/lcd4linux.conf.sample
@@ -3,23 +3,34 @@ Port /dev/ttyS2
 Speed 19200
 Contrast 160

-#Row1 "*** %o %r ***"
-#Row2 "%p CPU  %m MB RAM"
-#Row3 "Busy %cu%% $r10cs"
+#Row1 "*** %o %v ***"
+#Row2 "%p CPU  %r MB RAM"
+#Row3 "Busy %cu%% $r10cs+cb"
 #Row4 "Load %l1%L$r10l1"

-Row1 "Busy %cb%% $r10cs+cb"
-Row2 "Disk %dm $R10dr+dw"
+Row1 "CPU  %cu%% $r10cs+cb"
+Row2 "%mf %ms %ma"
+#Row2 "Disk %dm $R10dr+dw"
 Row3 "Net  %nm $R10nr+nw"
 Row4 "ISDN %im $r10ii+io"

+#Row1 "CPU $l6cs+cb$R6dr+dw I/O"
+#Row2 "I/O $R16dr+dw"
+#Row3 "LAN $R16nr+nw"
+#Row4 "WAN $r16ii+io"
+
+#Row1 ""
+#Row2 ""
+#Row3 "$u3cs $u3cb "
+#Row4 "CPU I/O LAN WAN"
+
 Tick 100
 Tack 400
 Tau 500
 Overload 2.0

-Fifo /var/run/lcd4linux
-
 Sensor1 /proc/sys/dev/sensors/w83781d-isa-0290/temp2
 Sensor1_min 30
 Sensor1_max 50
+
+Fifo /var/run/lcd4linux
--- a/parser.c
+++ b/parser.c
@@ -1,4 +1,4 @@
-/* $Id: parser.c,v 1.1 2000/03/13 15:58:24 reinelt Exp $
+/* $Id: parser.c,v 1.2 2000/03/17 09:21:42 reinelt Exp $
 *
 * row definition parser
 *
@@ -20,6 +20,10 @@
 *
 *
 * $Log: parser.c,v $
+ * Revision 1.2  2000/03/17 09:21:42  reinelt
+ *
+ * various memory statistics added
+ *
 * Revision 1.1  2000/03/13 15:58:24  reinelt
 *
 * release 0.9
@@ -53,9 +57,16 @@ typedef struct {
 static SYMTAB Symtab[] = {{ "%",  T_PERCENT, 0 },
 			  { "$",  T_DOLLAR, 0 },
 			  { "o",  T_OS, 0 },
-			  { "r",  T_RELEASE, 0 },
+			  { "v",  T_RELEASE, 0 },
 			  { "p",  T_CPU, 0 },
-			  { "m",  T_RAM, 0 },
+			  { "r",  T_RAM, 0 },
+			  { "mt", T_MEM_TOTAL, 1 },
+			  { "mu", T_MEM_USED, 1 },
+			  { "mf", T_MEM_FREE, 1 },
+			  { "ms", T_MEM_SHARED, 1 },
+			  { "mb", T_MEM_BUFFER, 1 },
+			  { "mc", T_MEM_CACHE, 1 },
+			  { "ma", T_MEM_APP, 1 },
 			  { "l1", T_LOAD_1, 1 },
 			  { "l2", T_LOAD_2, 1 },
 			  { "l3", T_LOAD_3, 1 },
@@ -128,10 +139,9 @@ char *parse (char *string, int supported_bars)

  do {
    switch (*s) {
-
+      
    case '%':
-      if ((token=get_token (s+1, &s, 0))==-1) {
-	s++;
+      if ((token=get_token (++s, &s, 0))==-1) {
 	fprintf (stderr, "WARNING: unknown token <%%%c> in <%s>\n", *s, string);
      } else {
 	*p++='%';
@@ -192,7 +202,7 @@ char *parse (char *string, int supported_bars)
 	  fprintf (stderr, "WARNING: illegal '\\' in <%s>\n", string);
 	} else {
 	  *p++=c;
-	  s+=n;
+	  s+=n-1;
 	}
      }
      break;
@@ -202,7 +212,8 @@ char *parse (char *string, int supported_bars)
    }
    
  } while (*s);
-  
+
+  *p='\0';
  return buffer;
 }

--- a/parser.h
+++ b/parser.h
@@ -1,4 +1,4 @@
-/* $Id: parser.h,v 1.1 2000/03/13 15:58:24 reinelt Exp $
+/* $Id: parser.h,v 1.2 2000/03/17 09:21:42 reinelt Exp $
 *
 * row definition parser
 *
@@ -20,6 +20,10 @@
 *
 *
 * $Log: parser.h,v $
+ * Revision 1.2  2000/03/17 09:21:42  reinelt
+ *
+ * various memory statistics added
+ *
 * Revision 1.1  2000/03/13 15:58:24  reinelt
 *
 * release 0.9
@@ -34,6 +38,7 @@
 typedef enum {
  T_PERCENT=128, T_DOLLAR,
  T_OS, T_RELEASE, T_CPU, T_RAM,
+  T_MEM_TOTAL, T_MEM_USED, T_MEM_FREE, T_MEM_SHARED, T_MEM_BUFFER, T_MEM_CACHE, T_MEM_APP, 
  T_LOAD_1, T_LOAD_2, T_LOAD_3, T_OVERLOAD, 
  T_CPU_USER, T_CPU_NICE, T_CPU_SYSTEM, T_CPU_BUSY, T_CPU_IDLE,
  T_DISK_READ, T_DISK_WRITE, T_DISK_TOTAL, T_DISK_MAX,
--- a/system.c
+++ b/system.c
@@ -1,4 +1,4 @@
-/* $Id: system.c,v 1.5 2000/03/10 17:36:02 reinelt Exp $
+/* $Id: system.c,v 1.6 2000/03/17 09:21:42 reinelt Exp $
 *
 * system status retreivement
 *
@@ -20,6 +20,10 @@
 *
 *
 * $Log: system.c,v $
+ * Revision 1.6  2000/03/17 09:21:42  reinelt
+ *
+ * various memory statistics added
+ *
 * Revision 1.5  2000/03/10 17:36:02  reinelt
 *
 * first unstable but running release
@@ -54,6 +58,10 @@
 * int   Memory (void);
 *   returns main memory (Megabytes)
 *
+ * int Ram (int *total, int *free, int *shared, int *buffer, int *cached)
+ *   sets various usage of ram
+ *   retuns 0 if ok, -1 on error
+ *
 * int Load (double *load1, double *load2, double *load3)
 *   sets load average during thwe last 1, 5 and 15 minutes
 *   retuns 0 if ok, -1 on error
@@ -94,6 +102,28 @@
 #include "cfg.h"
 #include "filter.h"

+#ifdef USE_SYSINFO
+#include <linux/kernel.h>
+#include <linux/sys.h>
+#endif
+
+static unsigned long parse_meminfo (char *tag, char *buffer)
+{
+  char *p;
+  unsigned long val;
+  
+  p=strstr(buffer, tag);
+  if (p==NULL) {
+    fprintf (stderr, "parse(/proc/meminfo) failed: no %s line\n", tag);
+    return -1;
+  }
+  if (sscanf(p+strlen(tag), "%lu", &val)<1) {
+    fprintf (stderr, "scanf(/proc/meminfo) failed\n");
+    return -1;
+  }
+  return val;
+}
+
 char *System(void)
 {
  static char buffer[32]="";
@@ -126,7 +156,6 @@ char *Release(void)
  return buffer;
 }

-
 char *Processor(void)
 {
  static char buffer[16]="";
@@ -143,7 +172,6 @@ char *Processor(void)
  return buffer;
 }

-
 int Memory(void)
 {
  static int value=-1;
@@ -160,6 +188,69 @@ int Memory(void)
  return value;
 }

+int Ram (int *total, int *free, int *shared, int *buffered, int *cached)
+{
+  static int fd=-2;
+  unsigned long v1, v2, v3, v4, v5;
+  char buffer[4096];
+  
+  *total=0;
+  *free=0;
+  *shared=0;
+  *buffered=0;
+  *cached=0;
+
+  if (fd==-1) return -1;
+  
+  if (fd==-2) {
+    fd = open("/proc/meminfo", O_RDONLY | O_NDELAY);
+    if (fd==-1) {
+      perror ("open(/proc/meminfo) failed");
+      return -1;
+    }
+  }
+  
+  if (lseek(fd, 0L, SEEK_SET)!=0) {
+    perror ("lseek(/proc/meminfo) failed");
+    fd=-1;
+    return -1;
+  }
+  if (read (fd, &buffer, sizeof(buffer)-1)==-1) {
+    perror ("read(/proc/meminfo) failed");
+    fd=-1;
+    return -1;
+  }
+  
+  if ((v1=parse_meminfo ("MemTotal:", buffer))<0) {
+    fd=-1;
+    return -1;
+  }
+  if ((v2=parse_meminfo ("MemFree:", buffer))<0) {
+    fd=-1;
+    return -1;
+  }
+  if ((v3=parse_meminfo ("MemShared:", buffer))<0) {
+    fd=-1;
+    return -1;
+  }
+  if ((v4=parse_meminfo ("Buffers:", buffer))<0) {
+    fd=-1;
+    return -1;
+  }
+  if ((v5=parse_meminfo ("Cached:", buffer))<0) {
+    fd=-1;
+    return -1;
+  }
+
+  *total=v1;
+  *free=v2;
+  *shared=v3;
+  *buffered=v4;
+  *cached=v5;
+
+  return 0;
+
+}

 int Load (double *load1, double *load2, double *load3)
 {
@@ -169,7 +260,7 @@ int Load (double *load1, double *load2, double *load3)
  static double val2=0;
  static double val3=0;
  static time_t now=0;
-
+  
  *load1=val1;
  *load2=val2;
  *load3=val3;
@@ -209,7 +300,6 @@ int Load (double *load1, double *load2, double *load3)
  return 0;
 }

-
 int Busy (double *user, double *nice, double *system, double *idle)
 {
  static int fd=-2;
@@ -262,7 +352,6 @@ int Busy (double *user, double *nice, double *system, double *idle)
  return 0;
 }

-
 int Disk (int *r, int *w)
 {
  char buffer[4096], *p;
@@ -322,7 +411,6 @@ int Disk (int *r, int *w)
  return 0;
 }

-
 int Net (int *rx, int *tx)
 {
  char buffer[4096], *p, *s;
@@ -369,7 +457,6 @@ int Net (int *rx, int *tx)
  return 0;
 }

-
 int Sensor (int index, double *val, double *min, double *max)
 {
  char buffer[32];
--- a/system.h
+++ b/system.h
@@ -1,4 +1,4 @@
-/* $Id: system.h,v 1.4 2000/03/10 17:36:02 reinelt Exp $
+/* $Id: system.h,v 1.5 2000/03/17 09:21:42 reinelt Exp $
 *
 * system status retreivement
 *
@@ -20,6 +20,10 @@
 *
 *
 * $Log: system.h,v $
+ * Revision 1.5  2000/03/17 09:21:42  reinelt
+ *
+ * various memory statistics added
+ *
 * Revision 1.4  2000/03/10 17:36:02  reinelt
 *
 * first unstable but running release
@@ -32,7 +36,6 @@
 *
 * minor cleanups
 *
- *
 */

 #ifndef _SYSTEM_H_
@@ -44,6 +47,7 @@ char *System (void);
 char *Release (void);
 char *Processor (void);
 int   Memory (void);
+int   Ram (int *total, int *free, int *shared, int *buffered, int *cached);
 int   Load (double *load1, double *load2, double *load3);
 int   Busy (double *user, double *nice, double *system, double *idle);
 int   Disk (int *r, int *w);