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15 Commits

Author SHA1 Message Date
christos 47cb5f1603 Fix RCSID's 
Add unused attribute to _mcount, since it might be called from assembly.
 1997-07-13 19:53:56 +00:00
christos 1c7406f68c Fix RCSID's 
Use warn instead of perror()
Use "namespace.h"
Add missing prototypes
 1997-07-13 19:53:06 +00:00
mrg f542cc77da be safe with buffers. KNF. 1997-04-22 11:17:58 +00:00
mrg 9cd5492c02 - convert unsafe strcpy(), strcat() and sprintf() to the `n' versions. 
- some KNF.
 1997-01-23 14:01:45 +00:00
cgd 362c499969 prototype mcount (or, whatever function is declared by _MCOUNT_DECL; 
typically mcount()) before it is defined or used.
 1997-01-03 07:40:41 +00:00
cgd a13d8bf828 use __inline and __asm, rather than inline and asm. By default (without -g) 
lint won't accept the latter two, but will accept the former two as valid.
As far as gcc's concerned, they're the same.
 1996-12-19 07:56:32 +00:00
abrown 347a3b2582 Copy over from libkern: 
> Prevent recursive invocation of mcount() while in kernel by setting profiling
> state to BUSY while in mcount(). This allows profiling to work when mcount()
> calls a profiled routine (for example, udiv on the SPARC).
 1996-06-29 14:32:58 +00:00
cgd 0396d19a02 use p->hashfraction when doing non-time-critical calculations, rather than 
using HASHFRACTION directly.  in time-critical calculations, if HASHFRACTION
is a power of two, check that p->hashfraction == HASHFRACTION and if so do
the calculation with the compiled-in value so that the compiler can optimize
out (potentially) expensive divisions.  if p->hashfraction != HASHFRACTION,
actually do the division.  This has the result that on machines with slow
division, the division can be optimized out of the common case, but that
if HASHFRACTION changes from the compiled-in value (for whatever reason),
profiling will still work.  Changes suggested by Chris Torek.
 1996-06-12 04:15:34 +00:00
cgd 88fce69ea9 s/KERNEL/_KERNEL/ to match libkern version. 1996-06-12 04:03:33 +00:00
jtc 5c13daa56e Add support for PROFDIR environment variable 1995-11-21 22:23:47 +00:00
cgd 3ddd2ef5ab kill a gratuitous cast of lowpc to an int 1995-11-04 00:11:40 +00:00
cgd 693e99f736 clean up Ids 1995-02-27 12:54:33 +00:00
cgd ae9172d6cd specify man pages the new way. 1994-12-22 09:57:51 +00:00
cgd 41006bd47b rcsids. also, avoid floating point when picking scale value. doesn't 
cost much, only done once.
 1994-05-14 06:31:10 +00:00
cgd da60d30fb3 user-land profiling code. 1994-05-14 06:02:57 +00:00