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Print times/call in ns if hz >= 10e7. hz will be this large for high

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resolution profiling on Pentiums.  On a 100MHz Pentium, the resolution
is at best 10 ns and actually a few hundred ns, but units of 10's or
100's of ns would be inconvenient and the current units of 1 us are a
bit too coarse.
This commit is contained in:
Bruce Evans 1996-06-08 12:29:57 +00:00
parent 39a3579443
commit d4aa237228
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=16227
1 changed files with 8 additions and 3 deletions
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11
usr.bin/gprof/printgprof.c
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@ -110,8 +110,9 @@ flatprofheader()
"% " , "cumulative" , "self " , "" , "self " , "total " , "" );
printf( "%5.5s %10.10s %8.8s %8.8s %8.8s %8.8s %-8.8s\n" ,
"time" , "seconds " , "seconds" , "calls" ,
hz >= 10000 ? "us/call" : "ms/call" ,
hz >= 10000 ? "us/call" : "ms/call" , "name" );
hz >= 10000000 ? "ns/call" : hz >= 10000 ? "us/call" : "ms/call" ,
hz >= 10000000 ? "ns/call" : hz >= 10000 ? "us/call" : "ms/call" ,
"name" );
}
flatprofline( np )
@ -129,7 +130,11 @@ flatprofline( np )
printf( "%5.1f %10.2f %8.2f" ,
100 * np -> time / totime , actime / hz , np -> time / hz );
if ( np -> ncall != 0 ) {
if (hz >= 10000)
if (hz >= 10000000)
printf( " %8d %8.0f %8.0f " , np -> ncall ,
1e9 * np -> time / hz / np -> ncall ,
1e9 * ( np -> time + np -> childtime ) / hz / np -> ncall );
else if (hz >= 10000)
printf( " %8d %8.0f %8.0f " , np -> ncall ,
1e6 * np -> time / hz / np -> ncall ,
1e6 * ( np -> time + np -> childtime ) / hz / np -> ncall );