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/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id: kernbb.c,v 1.2 1995/04/28 04:58:19 phk Exp $
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <kvm.h>
#include <err.h>
#define MAXBB 32768
struct bb {
u_long zero_one;
u_long filename;
u_long counts;
u_long ncounts;
u_long next;
u_long addr;
u_long nwords;
u_long func;
u_long lineno;
u_long file;
};
struct nlist namelist[] = {
{ "bbset" },
{ NULL }
};
u_long lineno[MAXBB];
u_long counts[MAXBB];
u_long addr[MAXBB];
u_long func[MAXBB];
u_long file[MAXBB];
char *fn[MAXBB];
char *pn[MAXBB];
kvm_t *kv;
int
main()
{
int i,j;
u_long l1,l2,l3;
struct bb bb;
char buf[128];
kv = kvm_open(NULL,NULL,NULL,O_RDWR,"dnc");
if (!kv)
err(1,"kvm_open");
i = kvm_nlist(kv,namelist);
if (i)
err(1,"kvm_nlist");
l1 = namelist[0].n_value;
kvm_read(kv,l1,&l2,sizeof l2);
while(l2--) {
l1 += sizeof l1;
kvm_read(kv,l1,&l3,sizeof l3);
kvm_read(kv,l3,&bb,sizeof bb);
if (!bb.ncounts)
continue;
if (bb.ncounts > MAXBB) {
fprintf(stderr,"found %lu counts above limit of %u\n",
bb.ncounts, MAXBB);
exit (1);
}
kvm_read(kv,bb.lineno,lineno, bb.ncounts * sizeof lineno[0]);
kvm_read(kv,bb.counts,counts, bb.ncounts * sizeof counts[0]);
kvm_read(kv,bb.addr, addr, bb.ncounts * sizeof addr[0]);
kvm_read(kv,bb.file, file, bb.ncounts * sizeof file[0]);
kvm_read(kv,bb.func, func, bb.ncounts * sizeof func[0]);
if (!counts[i])
continue;
for (i=0; i < bb.ncounts; i++) {
if (!pn[i] && func[i]) {
kvm_read(kv,func[i], buf, sizeof buf);
buf[sizeof buf -1] = 0;
pn[i] = strdup(buf);
for(j=i+1;j<bb.ncounts;j++)
if (func[j] == func[i]) {
pn[j] = pn[i];
func[j] = 0;
}
}
if (!pn[i])
pn[i] = "-";
if (!fn[i] && file[i]) {
kvm_read(kv,file[i], buf, sizeof buf);
buf[sizeof buf -1] = 0;
fn[i] = strdup(buf);
for(j=i+1;j<bb.ncounts;j++)
if (file[j] == file[i]) {
fn[j] = fn[i];
file[j] = 0;
}
}
if (!fn[i])
fn[i] = "-";
printf("%s %5lu %s %lu %lu\n",
fn[i],lineno[i],pn[i],addr[i],counts[i]);
}
for(i=0;i<bb.ncounts;i++) {
if (func[i] && pn[i])
free(pn[i]);
if (file[i] && fn[i])
free(fn[i]);
pn[i] = 0;
fn[i] = 0;
}
}
return 0;
}
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