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Do not output anything for source-files with no counts.

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Output function name for the "pre-prologue" entry, by stealing
it from the next entry.
Output length of basic-block in bytes and product of executions
and length.
This commit is contained in:
Poul-Henning Kamp 1997-08-14 10:36:02 +00:00
parent 422ff09040
commit 6ff4cb0076
2 changed files with 24 additions and 8 deletions
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6
usr.sbin/kernbb/kernbb.8
View File

@ -29,7 +29,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $Id$
.\" $Id: kernbb.8,v 1.4 1997/02/22 16:06:05 peter Exp $
.\"
.Dd May 22, 1995
.Dt KERNBB 8
@ -50,7 +50,9 @@ with the
option.
.Pp
The output format is ascii, consisting of one line per record with the
following fields: filename, linenumber, procedure, address and count.
following fields: filename, linenumber, procedure, address, count
of executions, length of the basic-block in bytes and the product of
the previous two fields.
.Sh FILES
.Bl -tag -width /dev/kmemx -compact
.It Pa /kernel

26
usr.sbin/kernbb/kernbb.c
View File

@ -6,7 +6,7 @@
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id$
* $Id: kernbb.c,v 1.6 1997/02/22 16:06:06 peter Exp $
*
*/
@ -52,7 +52,7 @@ int
main()
{
int i,j;
u_long l1,l2,l3;
u_long l1,l2,l3,l4;
struct bb bb;
char buf[128];
@ -81,9 +81,20 @@ main()
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]);
l4 = 0;
for (i=0; i < bb.ncounts; i++) {
if (!counts[i])
if (counts[i])
l4++;
if (!func[i] && i+1 < bb.ncounts)
func[i] = func[i+1];
}
if (!l4)
continue;
for (i=0; i < bb.ncounts; i++) {
if (0 && !counts[i])
continue;
if (!pn[i] && func[i]) {
kvm_read(kv,func[i], buf, sizeof buf);
buf[sizeof buf -1] = 0;
@ -94,7 +105,7 @@ main()
func[j] = 0;
}
}
if (!pn[i])
if (!pn[i] && i < bb.ncounts)
pn[i] = "-";
if (!fn[i] && file[i]) {
kvm_read(kv,file[i], buf, sizeof buf);
@ -108,8 +119,11 @@ main()
}
if (!fn[i])
fn[i] = "-";
printf("%s %5lu %s %lu %lu\n",
fn[i],lineno[i],pn[i],addr[i],counts[i]);
l4 = 0;
if (i+1 < bb.ncounts)
l4 = addr[i+1] - addr[i];
printf("%s %5lu %s %lu %lu %lu %lu\n",
fn[i], lineno[i], pn[i], addr[i], counts[i], l4, counts[i] * l4);
}
for(i=0;i<bb.ncounts;i++) {
if (func[i] && pn[i])