The asmon tool is an AfterStep look-n-feel memory, swap, cpu, and load

average monitor for X Windows.  "Lights" indicate swap and vm paging.
Also displays system uptime or X memory usage.

PR:		14008
Submitted by:	jack@germanium.xtalwind.net

2 files changed, 504 insertions, 0 deletions

diff --git a/sysutils/asmon/files/patch-aa b/sysutils/asmon/files/patch-aa
new file mode 100644
index 000000000000..390d9c3b0817
--- /dev/null
+++ b/sysutils/asmon/files/patch-aa
@@ -0,0 +1,25 @@
+*** Makefile.orig	Tue Jun  8 15:54:04 1999
+--- Makefile	Tue Jun  8 15:54:36 1999
+***************
+*** 0 ****
+--- 1,20 ----
++ LIBDIR = -L/usr/X11R6/lib
++ LIBS   = -lXpm -lXext -lX11 -lkvm
++ OBJS =  asmon/asmon.o \
++ 		wmgeneral/wmgeneral.o \
++ 		wmgeneral/misc.o \
++ 		wmgeneral/list.o
++ 
++ all: asmon
++ 
++ .c.o:
++ 	cc -c -Wall -I/usr/X11R6/include $< -o $*.o
++ 
++ asmon: $(OBJS)
++ 	cc -o asmon/asmon $^ $(LIBDIR) $(LIBS)
++ 
++ clean::
++ 	for i in $(OBJS) ; do \
++ 		rm $$i;\
++ 	done
++ 	rm asmon/asmon
diff --git a/sysutils/asmon/files/patch-ab b/sysutils/asmon/files/patch-ab
new file mode 100644
index 000000000000..874d38074c30
--- /dev/null
+++ b/sysutils/asmon/files/patch-ab
@@ -0,0 +1,479 @@
+--- asmon/asmon.c.orig	Sun Jun 27 15:38:26 1999
++++ asmon/asmon.c	Mon Sep 27 19:58:05 1999
+@@ -21,6 +21,19 @@
+ #include "asmon-master.xpm"
+ #include "asmon-mask.xbm"
+ 
++#ifdef __FreeBSD__
++#include <err.h>
++#include <kvm.h>
++#include <nlist.h>
++#include <sys/rlist.h>
++#include <sys/conf.h>
++#include <sys/user.h>
++#include <sys/vmmeter.h>
++#include <sys/sysctl.h>
++#include <vm/vm_param.h>
++#include <sys/time.h>
++#endif
++
+ #ifdef __solaris__
+ #include <utmp.h>
+ #endif
+@@ -47,6 +60,39 @@
+ #define B_RED   (1)
+ #define B_GREEN (2)
+ 
++#ifdef __FreeBSD__
++kvm_t   *kd;
++
++#define SVAR(var) __STRING(var) /* to force expansion */
++#define KGET(idx, var)                          \
++  KGET1(idx, &var, sizeof(var), SVAR(var))
++#define KGET1(idx, p, s, msg)                       \
++  KGET2(nl[idx].n_value, p, s, msg)
++#define KGET2(addr, p, s, msg)                      \
++  if (kvm_read(kd, (u_long)(addr), p, s) != s)            \
++      warnx("cannot read %s: %s", msg, kvm_geterr(kd))
++
++struct nlist nl[] = {
++#define VM_SWAPLIST 0
++  { "_swaplist" },/* list of free swap areas */
++#define VM_SWDEVT   1
++  { "_swdevt" },  /* list of swap devices and sizes */
++#define VM_NSWAP    2
++  { "_nswap" },   /* size of largest swap device */
++#define VM_NSWDEV   3
++  { "_nswdev" },  /* number of swap devices */
++#define VM_DMMAX    4
++  { "_dmmax" },   /* maximum size of a swap block */
++#define X_CNT       5
++  { "_cnt" },
++#define X_BUFSPACE  6
++  { "_bufspace" },    /* K in buffer cache */
++#define X_CP_TIME   7
++  { "_cp_time" },
++  { "" }
++};
++#endif
++
+ /* Evil globals I haven't removed yet */
+ long last_pageins=0, last_pageouts=0;
+ long last_swapins=0, last_swapouts=0;
+@@ -77,6 +123,11 @@
+ float DrawMemSwap(float total, int allmem);
+ #endif
+ 
++#ifdef __FreeBSD__
++void open_kvm(void);
++void close_kvm(void);
++#endif
++
+ int main(int argc, char *argv[]) 
+ {
+ 	FILE *fp;
+@@ -151,7 +202,17 @@
+ #endif
+ 	/* Open 64x64 window */
+ 	openXwindow(argc, argv, asmon_master_xpm, asmon_mask_bits, asmon_mask_width, asmon_mask_height);
++
++#ifdef __FreeBSD__
++	open_kvm();
++#endif
++
+ 	asmon_routine(Xpid, allmem);
++
++#ifdef __FreeBSD__
++	close_kvm();
++#endif
++
+ 	return(0);
+ }
+ 
+@@ -160,7 +221,11 @@
+ void usage(void) {
+     fprintf(stderr, "\nasmon %s - by Brad Hall (brad@rio.dhs.org)\n\t\toriginally based on Timecop's wmcpu\n\n", ASMON_VERSION);
+     fprintf(stderr, "The top bar: left is the CPU usage, right is the load average\n");
++#ifdef __FreeBSD__
++	fprintf(stderr, "The middle bar: left memory usage devided by ticks into active, inactive,\n\t\twired, cached + buffers, respectively, and the number\n\t\tof megs used\n");
++#else
+     fprintf(stderr, "The middle bar: left memory usage devided by ticks into shared, buffers, and\n\t\t cached, respectively, and the number of megs used\n");
++#endif
+     fprintf(stderr, "The lower bar: the left swap usage and the number of megs swappedd avg\n");
+     fprintf(stderr, "The bottom: the left is a set of LED's marking page's and swap's, the right is\n\t\t a bar representing the amount of memory that the X server \n\t\t is taking up, and the exact megs\n\n usage:\n");
+     fprintf(stderr, "\t-display <display name>\n");
+@@ -168,8 +233,13 @@
+     fprintf(stderr, "\t-v\tprint the version number\n");
+ #ifndef __solaris__
+     fprintf(stderr, "\t-u\tforce asmon to show uptime, rather than X mem use\n");
++#else
++#ifdef __FreeBSD__
++	fprintf(stderr, "\t-m\tmake asmon show only active mem\n");
++#else
+     fprintf(stderr, "\t-m\tmake asmon show only shared mem, like most other mem meters\n");
+ #endif
++#endif
+ #ifdef EXEC_ON_CLICK
+     fprintf(stderr, "\t-e cmd\texecute 'cmd' on mouse click\n");
+ #endif
+@@ -323,12 +393,13 @@
+ /* CPU Usage Meter */
+ void DrawCPU(void)
+ {
+-	FILE *fp;
+ 	static float cpustat[4];   /* remember the statistics read last time */
+ 	float fields[4], info[4], cputotal=0.0;
+ 	long pageins=0, pageouts=0, swapins=0, swapouts=0;
+-	char buf[128];
+ 	int i;
++#ifndef __FreeBSD__
++	char buf[128];
++	FILE *fp;
+ 
+ 	if( (fp = fopen("/proc/stat", "r")) != NULL)
+ 	{
+@@ -345,7 +416,15 @@
+     		    sscanf(buf, "swap %ld %ld", &swapins, &swapouts);
+ 	    } 
+ 	    fclose(fp);
+-
++#else
++	{
++		long cputime[4];
++		struct vmmeter sum;
++ 
++		kvm_read(kd, nl[X_CP_TIME].n_value, &cputime, sizeof(cputime));
++		for(i = 0; i < 4; i++)
++			info[i] = (float)cputime[i];
++#endif
+ 	    // Calculate CPU stuff
+ 	    for(i = 0; i < 4; i++)
+ 	    { 
+@@ -365,6 +444,13 @@
+ 	    }
+ 
+ 	    // Page In/Out
++#ifdef __FreeBSD__
++		KGET(X_CNT, sum);
++		pageins = sum.v_vnodepgsin;
++		pageouts = sum.v_vnodepgsout;
++		swapins = sum.v_swappgsin;
++		swapouts = sum.v_swappgsout;
++#endif
+ 	    if (pageins > last_pageins)
+ 	    {
+     	        DrawLite(B_RED, 5, 48);
+@@ -414,12 +500,19 @@
+ #ifdef __solaris__
+     if (getLoad(&ftmp) != -1)
+     {
+-#else
++#else 
++#ifndef __FreeBSD__
+     FILE *fp;
+     if( (fp = fopen("/proc/loadavg", "r")) != NULL)
+     {
+ 	fscanf(fp, "%f", &ftmp);
+ 	fclose(fp);
++#else
++	{
++	double avg[1];
++	getloadavg(avg, 1);
++	ftmp = (float)avg[0];
++#endif
+ #endif
+ 	if(oldv != ftmp)
+ 	{
+@@ -540,6 +633,7 @@
+ /* Mem/Swap Meter */
+ float DrawMemSwap(float total, int allmem)
+ {
++#ifndef __FreeBSD__
+     FILE *fp;
+     if( (fp = fopen("/proc/meminfo", "r")) != NULL)
+     {
+@@ -553,6 +647,112 @@
+ 	fgets(junk, 80, fp);
+ 	fscanf(fp, "Mem: %f %f %f %f %f %f\nSwap: %f %f %f",  &total, &used, &freeM, &shared, &buffers, &cached, &swaptotal, &swapused, &swapfreeM);
+ 	fclose(fp);
++#else
++	{
++	static float stotal=0.0, sshared=0.0, sbuffers=0.0, scached=0.0;
++	float used, active, inactive, wired, buffers, cached, swaptotal, 
++		swapused, shared;
++	unsigned long MEMactive,MEMinactive,MEMwired,MEMbuff,MEMcach, MEMswap;
++	int tempy, tempa;
++	int nswap, nswdev, dmmax;
++	int i, avail, nfree, kmemused, bufspace = 0;
++	struct swdevt *sw;
++	long *perdev;
++	struct vmmeter sum;
++	struct rlist head;
++	struct rlisthdr swaplist;
++	struct rlist *swapptr;
++	u_long ptr;
++ 
++	KGET(VM_NSWAP, nswap);
++	KGET(VM_NSWDEV, nswdev);
++	KGET(VM_DMMAX, dmmax);
++	KGET1(VM_SWAPLIST, &swaplist, sizeof swaplist, "swaplist");
++	if ((sw = (struct swdevt*)malloc(nswdev * sizeof(*sw))) == NULL ||
++			(perdev = (long *)malloc(nswdev * sizeof(*perdev))) == NULL)
++		errx(1, "malloc");
++	KGET1(VM_SWDEVT, &ptr, sizeof ptr, "swdevt");
++	KGET2(ptr, sw, nswdev * sizeof(*sw), "*swdevt");
++
++	/* Count up swap space. */
++	nfree = 0;
++	memset(perdev, 0, nswdev * sizeof(*perdev));
++	swapptr = swaplist.rlh_list;
++	while (swapptr) {
++		int top, bottom, next_block;
++ 
++		KGET2(swapptr, &head, sizeof(struct rlist), "swapptr");
++
++		top = head.rl_end;
++		bottom = head.rl_start;
++ 
++		nfree += top - bottom + 1;
++ 
++	   /*
++		* Swap space is split up among the configured disks.
++		*
++		* For interleaved swap devices, the first dmmax blocks
++		* of swap space some from the first disk, the next dmmax
++		* blocks from the next, and so on up to nswap blocks.
++		*
++		* The list of free space joins adjacent free blocks,
++		* ignoring device boundries.  If we want to keep track
++		* of this information per device, we'll just have to
++		* extract it ourselves.
++		*/
++		while (top / dmmax != bottom / dmmax) {
++			next_block = ((bottom + dmmax) / dmmax);
++			perdev[(bottom / dmmax) % nswdev] +=
++			next_block * dmmax - bottom;
++			bottom = next_block * dmmax;
++		}
++		perdev[(bottom / dmmax) % nswdev] +=
++		top - bottom + 1;
++ 
++		swapptr = head.rl_next;
++	}
++   
++	avail = 0;
++	for (i = 0; i < nswdev; i++) {
++		int xsize, xfree;
++   
++		/*
++		* Don't report statistics for partitions which have not
++		* yet been activated via swapon(8).
++		*/
++		if (!(sw[i].sw_flags & SW_FREED))
++			continue;
++ 
++		/* The first dmmax is never allocated to avoid trashing of
++		* disklabels
++		*/
++		xsize = sw[i].sw_nblks - dmmax;
++		xfree = perdev[i];
++		kmemused = xsize - xfree;
++		avail += xsize;
++	}
++   
++	/*
++	* If only one partition has been set up via swapon(8), we don't
++	* need to bother with totals.
++	*/
++	kmemused = avail - nfree;
++	KGET(X_CNT, sum);
++	KGET(X_BUFSPACE, bufspace);
++	free(sw);
++	free(perdev);
++   
++	total = sum.v_page_size * sum.v_page_count;
++	cached = sum.v_page_size * sum.v_cache_count;
++	used = sum.v_page_size * (sum.v_page_count - sum.v_free_count);
++	buffers = bufspace;
++	active = sum.v_page_size * sum.v_active_count;
++	inactive = sum.v_page_size * sum.v_inactive_count;
++	wired = sum.v_page_size * sum.v_wire_count;
++ 
++	swaptotal = avail * 512;
++	swapused = kmemused * 512;
++#endif
+ 
+ 	if ( allmem == 1) {
+ 	/* All mem areas */
+@@ -561,11 +761,23 @@
+ 			stotal = total; sshared = shared; sbuffers = buffers; scached = cached;
+ 			if ( (total/101048576) >= 1) 
+ 			{
++#ifdef __FreeBSD__
++				MEMactive=(active/total)*27;
++				MEMinactive=(inactive/total)*27;
++				MEMwired=(wired/total)*27;
++#else
+ 			    MEMshar=(shared/total)*27;
++#endif
+ 			    MEMbuff=(buffers/total)*27;
+ 			    MEMcach=(cached/total)*27;
+ 			} else {
++#ifdef __FreeBSD__
++				MEMactive=(active/total)*33;
++				MEMinactive=(inactive/total)*33;
++				MEMwired=(wired/total)*33;
++#else
+ 			    MEMshar=(shared/total)*33;
++#endif
+ 			    MEMbuff=(buffers/total)*33;
+ 			    MEMcach=(cached/total)*33;
+ 			}
+@@ -579,9 +791,15 @@
+ 				copyXPMArea(3,75,((used/total)*34),9,5,19);
+ 			}
+ 			// Separators
++#ifdef __FreeBSD__
++			copyXPMArea(15,105,1,9,5+MEMactive,19);
++			copyXPMArea(15,105,1,9,6+MEMactive+MEMinactive,19);
++			copyXPMArea(15,105,1,9,7+MEMactive+MEMinactive+MEMwired,19);
++#else
+ 			copyXPMArea(15,105,1,9,5+MEMshar,19);
+ 			copyXPMArea(15,105,1,9,7+MEMshar+MEMbuff,19);
+ 			copyXPMArea(15,105,(36-(used/total)*34),9,(5+(used/total)*34),19);
++#endif
+ 			// Numbers			
+ 			tempa=used/1048576;
+ 			tempy=tempa%10;
+@@ -601,6 +819,16 @@
+ 		if(stotal != total || sshared != shared)
+ 		{
+ 			stotal = total; sshared = shared; sbuffers = buffers; scached = cached;
++#ifdef __FreeBSD__
++			if ( (total/101048576) >= 1) {
++				MEMactive=(active/total)*27;
++			} else {
++				MEMactive=(active/total)*35;
++			}
++			// Bar
++			copyXPMArea(3,75,MEMactive,9,5,19);
++			copyXPMArea(3,102,(36-(active/total)*36),9,(5+(active/total)*36),19) ;
++#else
+ 			if ( (total/101048576) >= 1) {
+ 			    MEMshar=(shared/total)*27;
+ 			} else {
+@@ -609,8 +837,13 @@
+ 			// Bar
+ 			copyXPMArea(3,75,MEMshar,9,5,19);
+ 			copyXPMArea(15,105,(36-(shared/total)*36),9,(5+(shared/total)*36),19);
++#endif
+ 			// Numbers			
++#ifdef __FreeBSD__
++			tempa=active/1048576;
++#else
+ 			tempa=shared/1048576;
++#endif
+ 			tempy=tempa%10;
+     			copyXPMArea(3+(tempy*6),66,6,9,50,19);
+ 			tempy=(tempa/10)%10;
+@@ -662,10 +895,11 @@
+ /* X Mem Usage */
+ void DrawXmem(int Xpid, float total) 
+ {
+-    FILE *fp;
+-    char buf[128], XFileName[256];
+     float ratio;
+     long old_Xsize=-1, Xsize=0;
++#ifndef __FreeBSD__
++	FILE *fp;
++	char buf[128], XFileName[256];
+ 
+     sprintf(XFileName, "/proc/%d/status", Xpid);
+ 
+@@ -676,6 +910,15 @@
+     	    if (strstr(buf, "VmSize"))
+         	sscanf(buf, "VmSize: %ld", &Xsize);
+ 	}
++#else
++	{
++	struct kinfo_proc *kproc;
++	int kcnt;
++
++	kproc = kvm_getprocs(kd, KERN_PROC_PID, Xpid, &kcnt);
++
++	Xsize = kproc->kp_eproc.e_vm.vm_map.size / 1024;
++#endif
+         if(old_Xsize!=Xsize)
+ 	{
+     	    int tempy, tempa;
+@@ -692,7 +935,9 @@
+ 	    copyXPMArea(3,84,((ratio)*22),11,18,47);
+ 	    copyXPMArea(15,105,(23-((ratio)*22)),11,(18+(ratio*22)),47);
+ 	}
++#ifndef __FreeBSD__
+ 	fclose(fp);
++#endif
+     }
+ }
+ 
+@@ -713,10 +958,28 @@
+         pUtmp = getutid(&idUtmp);
+         upt = (time(0) - pUtmp->ut_time);
+ #else
++#ifndef __FreeBSD__
+ 	FILE *fp;
+ 	if( (fp = fopen("/proc/uptime", "r")) != NULL)
+ 		fscanf(fp, "%d",&upt);
+ 	fclose(fp);
++#else
++	int mib[2];
++	struct timeval boottime;
++	size_t bt_size;
++
++	bt_size = sizeof(boottime);
++	mib[0] = CTL_KERN;
++	mib[1] = KERN_BOOTTIME;
++
++	if (sysctl(mib, 2, &boottime, &bt_size, NULL, 0) != -1 &&
++			boottime.tv_sec != 0) {
++		upt = time(NULL) - boottime.tv_sec;
++		upt += 30;  /* top(1) does this ????  */
++	} else {
++		upt = 0;
++	}
++#endif
+ #endif
+ 	mins=(upt/60)%60;
+ 	hours=(upt/3600)%24;
+@@ -777,6 +1040,31 @@
+         break;
+     }
+ 
++}
++
++void
++open_kvm()
++{
++	if (kd == 0) {
++		kd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, 0);
++		if (kd != NULL) {
++			if (kvm_nlist(kd, nl) < 0) {
++				errx(1, "kvm_nlist: %s", kvm_geterr(kd));
++			}
++			if (nl[0].n_type == 0) {
++				errx(1, "no namelist");
++			}
++		} else {
++			warnx("kvm not available");
++		}
++	}
++}
++
++void
++close_kvm()
++{
++	kvm_close(kd);
++	kd = NULL;
+ }
+ 
+ /* EOF */