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Thu Sep 5 13:18:25 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/hurd/i386/init-first.c (__libc_argc, __libc_argv): New variables. (init1): Initialize them. * hurd/hurdinit.c (_hurd_setproc): Now that happens to be available, pass __libc_argv in call to __proc_set_arg_locations. * gmon/gmon.c (write_hist): Call __profile_frequency instead of hertz. (hertz): Delete function. * gmon/Makefile (routines): Add `prof-freq'. * sysdeps/generic/prof-freq.c: New file. * sysdeps/mach/hurd/prof-freq.c: New (stubby) file. * sysdeps/mach/hurd/profil.c (profile_tick): New variable. (update_waiter): Store frequency in profile_tick. (__profile_frequency): New function. * sysdeps/mach/hurd/sendto.c (sendto): Use prototype definition syntax. * Rules (generated): Restore reference to $(generated). * mach/Machrules (mig.uh, mig.__h): Don't include $(user-MIGFLAGS) here. * malloc/free.c (free): __lib_malloc_lock -> __libc_malloc_lock. * malloc/free.c: Provide extern decl of __libc_malloc_lock. * malloc/realloc.c: Likewise. * malloc/malloc-find.c: Likewise. * malloc/malloc-size.c: Likewise. * malloc/malloc-walk.c: Likewise. * malloc/memalign.c: Likewise. * mach/Machrules (mig.uh, mig.__h): Include $(user-MIGFLAGS) and
This commit is contained in:
Thomas Bushnell, BSG
parent
57ba7bb471
commit
acf51e0261
37
ChangeLog
37
ChangeLog
@ -1,3 +1,38 @@
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Thu Sep 5 13:18:25 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
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* sysdeps/mach/hurd/i386/init-first.c (__libc_argc, __libc_argv):
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New variables.
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(init1): Initialize them.
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* hurd/hurdinit.c (_hurd_setproc): Now that happens to be
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available, pass __libc_argv in call to __proc_set_arg_locations.
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* gmon/gmon.c (write_hist): Call __profile_frequency instead of
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hertz.
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(hertz): Delete function.
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* gmon/Makefile (routines): Add `prof-freq'.
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* sysdeps/generic/prof-freq.c: New file.
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* sysdeps/mach/hurd/prof-freq.c: New (stubby) file.
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* sysdeps/mach/hurd/profil.c (profile_tick): New variable.
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(update_waiter): Store frequency in profile_tick.
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(__profile_frequency): New function.
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* sysdeps/mach/hurd/sendto.c (sendto): Use prototype definition
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syntax.
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* Rules (generated): Restore reference to $(generated).
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* mach/Machrules (mig.uh, mig.__h): Don't include $(user-MIGFLAGS)
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here.
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* malloc/free.c (free): __lib_malloc_lock -> __libc_malloc_lock.
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* malloc/free.c: Provide extern decl of __libc_malloc_lock.
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* malloc/realloc.c: Likewise.
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* malloc/malloc-find.c: Likewise.
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* malloc/malloc-size.c: Likewise.
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* malloc/malloc-walk.c: Likewise.
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* malloc/memalign.c: Likewise.
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Thu Sep 5 03:20:42 1996 Ulrich Drepper <drepper@cygnus.com>
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Change configuration and Makefiles to allow add-ons to have a
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@ -276,7 +311,7 @@ Thu Aug 29 12:00:30 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
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spelling error of _hurd_itimerval.
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* mach/Makefile (MIGFLAGS-mach/mach4): Define variable.
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mach/Machrules (mig.uh, mig.__h): Include $(user-MIGFLAGS) and
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* mach/Machrules (mig.uh, mig.__h): Include $(user-MIGFLAGS) and
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$(MIGFLAGS-$*) here too, as well as in the code-generating MiG calls.
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* hurd/hurdinline.c: Include "hurd.h" for function definitions too.
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3
Rules
3
Rules
@ -136,7 +136,8 @@ subdir_dist: dist
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# Convenient target to update all the generated source files.
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.PHONY: generated
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generated: $(addprefix $(common-objpfx),$(common-generated))
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generated: $(addprefix $(common-objpfx),$(common-generated)) \
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$(addprefix $(objpfx),$(generated))
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ifndef libc.so-version
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# Undefine this because it can't work when we libc.so is unversioned.
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@ -23,7 +23,7 @@ subdir := gmon
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headers := sys/gmon.h sys/gmon_out.h
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distribute := machine-gmon.h profil-counter.h
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routines := gmon mcount profil bb_init_func bb_exit_func
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routines := gmon mcount profil bb_init_func bb_exit_func prof-freq
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include ../Rules
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23
gmon/gmon.c
23
gmon/gmon.c
@ -57,27 +57,6 @@ static int s_scale;
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#define ERR(s) write(2, s, sizeof(s) - 1)
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/*
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* Discover the tick frequency of the machine if something goes wrong,
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* we return 0, an impossible hertz.
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*/
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static int
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DEFUN_VOID(hertz)
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{
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struct itimerval tim;
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tim.it_interval.tv_sec = 0;
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tim.it_interval.tv_usec = 1;
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tim.it_value.tv_sec = 0;
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tim.it_value.tv_usec = 0;
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setitimer(ITIMER_REAL, &tim, 0);
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setitimer(ITIMER_REAL, 0, &tim);
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if (tim.it_interval.tv_usec < 2)
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return 0;
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return (1000000 / tim.it_interval.tv_usec);
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}
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/*
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* Control profiling
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* profiling is what mcount checks to see if
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@ -183,7 +162,7 @@ DEFUN(write_hist, (fd), int fd)
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if (_gmonparam.kcountsize > 0)
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{
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size = _gmonparam.kcountsize / sizeof(HISTCOUNTER);
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rate = hertz();
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rate = __profile_frequency();
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bcopy(&_gmonparam.lowpc, &thdr.low_pc, sizeof(thdr.low_pc));
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bcopy(&_gmonparam.highpc, &thdr.high_pc, sizeof(thdr.high_pc));
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bcopy(&size, &thdr.hist_size, sizeof(thdr.hist_size));
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@ -165,6 +165,7 @@ _hurd_setproc (process_t procserver)
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{
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error_t err;
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mach_port_t oldmsg;
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extern char **__libc_argv;
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/* Give the proc server our message port. */
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if (err = __proc_setmsgport (procserver, _hurd_msgport, &oldmsg))
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@ -175,8 +176,8 @@ _hurd_setproc (process_t procserver)
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/* Tell the proc server where our args and environment are. */
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if (err = __proc_set_arg_locations (procserver,
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/* We don't know the ARGV location. */
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(vm_address_t) 0,
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_hide_arguments ? 0 :
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(vm_address_t) __libc_argv,
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_hide_environment ? 0 :
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(vm_address_t) __environ))
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return err;
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@ -149,14 +149,14 @@ $(objpfx)%.uh:; $(mig.uh)
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define mig.uh
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$(make-target-directory)
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$(include-%.defs) | \
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$(MIG) - /dev/null $(MIGFLAGS) $(user-MIGFLAGS) $(MIGFLAGS-$*) \
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$(MIG) - /dev/null $(MIGFLAGS) $(MIGFLAGS-$*) \
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-header $@ -server /dev/null -user /dev/null
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endef
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$(objpfx)%.__h:; $(mig.__h)
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define mig.__h
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$(make-target-directory)
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$(include-%.defs) | \
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$(MIG) - /dev/null $(MIGFLAGS) $(user-MIGFLAGS) $(MIGFLAGS-$*) -prefix __ \
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$(MIG) - /dev/null $(MIGFLAGS) $(MIGFLAGS-$*) -prefix __ \
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-header $@ -server /dev/null -user /dev/null
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endef
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59
sysdeps/generic/prof-freq.c
Normal file
59
sysdeps/generic/prof-freq.c
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@ -0,0 +1,59 @@
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/* Return frequency of ticks reported by profil. Generic version. */
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/*-
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* Copyright (c) 1983, 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/time.h>
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int
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__profile_frequency ()
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{
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/*
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* Discover the tick frequency of the machine if something goes wrong,
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* we return 0, an impossible hertz.
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*/
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struct itimerval tim;
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tim.it_interval.tv_sec = 0;
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tim.it_interval.tv_usec = 1;
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tim.it_value.tv_sec = 0;
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tim.it_value.tv_usec = 0;
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setitimer(ITIMER_REAL, &tim, 0);
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setitimer(ITIMER_REAL, 0, &tim);
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if (tim.it_interval.tv_usec < 2)
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return 0;
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return (1000000 / tim.it_interval.tv_usec);
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}
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@ -31,15 +31,16 @@ extern void __libc_global_ctors (void);
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int __libc_multiple_libcs = 1;
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int __libc_argc;
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char **__libc_argv;
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void *(*_cthread_init_routine) (void); /* Returns new SP to use. */
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void (*_cthread_exit_routine) (int status) __attribute__ ((__noreturn__));
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/* Things that want to be run before _hurd_init or much anything else.
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Importantly, these are called before anything tries to use malloc. */
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DEFINE_HOOK (_hurd_preinit_hook, (void));
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static void
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init1 (int argc, char *arg0, ...)
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{
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@ -47,6 +48,8 @@ init1 (int argc, char *arg0, ...)
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char **envp = &argv[argc + 1];
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struct hurd_startup_data *d;
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__libc_argc = argc;
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__libc_argv = argv;
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__environ = envp;
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while (*envp)
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++envp;
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2
sysdeps/mach/hurd/prof-freq.c
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2
sysdeps/mach/hurd/prof-freq.c
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@ -0,0 +1,2 @@
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/* __profile_frequency is in sysdeps/mach/hurd/profil.c. This file
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is here as a place-holder to prevent the use of sysdeps/generic/prof-freq.c. */
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@ -36,6 +36,7 @@ static size_t sample_scale;
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static sampled_pc_seqno_t seqno;
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static struct mutex lock = MUTEX_INITIALIZER;
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static mach_msg_timeout_t collector_timeout; /* ms between collections. */
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static int profile_tick;
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/* Enable statistical profiling, writing samples of the PC into at most
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SIZE bytes of SAMPLE_BUFFER; every processor clock tick while profiling
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@ -62,8 +63,7 @@ update_waiter (u_short *sample_buffer, size_t size, size_t offset, u_int scale)
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if (! err)
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{
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int tick; /* Microseconds per sample. */
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err = __task_enable_pc_sampling (__mach_task_self (), &tick,
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err = __task_enable_pc_sampling (__mach_task_self (), &profile_tick,
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SAMPLED_PC_PERIODIC);
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if (!err && sample_scale == 0)
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/* Profiling was not turned on, so the collector thread was
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@ -79,13 +79,19 @@ update_waiter (u_short *sample_buffer, size_t size, size_t offset, u_int scale)
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and the kernel buffer size we get the length of time it takes
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to fill the buffer; translate that to milliseconds for
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mach_msg, and chop it in half for general lag factor. */
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collector_timeout = MAX_PC_SAMPLES * tick / 1000 / 2;
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collector_timeout = MAX_PC_SAMPLES * profile_tick / 1000 / 2;
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}
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}
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return err;
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}
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int
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__profile_frequency ()
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{
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return profile_tick;
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}
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int
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profil (u_short *sample_buffer, size_t size, size_t offset, u_int scale)
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{
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@ -27,13 +27,12 @@ Cambridge, MA 02139, USA. */
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/* Send N bytes of BUF on socket FD to peer at address ADDR (which is
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ADDR_LEN bytes long). Returns the number sent, or -1 for errors. */
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int
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sendto (fd, buf, n, flags, addr, addr_len)
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int fd;
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const void *buf;
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size_t n;
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int flags;
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const struct sockaddr_un *addr;
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size_t addr_len;
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sendto (int fd,
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const void *buf,
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size_t n,
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int flags,
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const struct sockaddr_un *addr,
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size_t addr_len)
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{
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addr_port_t aport;
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error_t err;
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