hwpmc_powerpc.c

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    1 /*-
    2  * Copyright (c) 2005, Joseph Koshy
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  */
   27 
   28 #include <sys/cdefs.h>
   29 __FBSDID("$FreeBSD: releng/7.3/sys/dev/hwpmc/hwpmc_powerpc.c 193634 2009-06-07 10:00:35Z fabient $");
   30 
   31 #include <sys/param.h>
   32 #include <sys/pmc.h>
   33 
   34 #include <machine/pmc_mdep.h>
   35 
   36 struct pmc_mdep *
   37 pmc_md_initialize()
   38 {
   39         return NULL;
   40 }
   41 
   42 void
   43 pmc_md_finalize(struct pmc_mdep *md)
   44 {
   45         (void) md;
   46 }
   47 
   48 int
   49 pmc_save_kernel_callchain(uintptr_t *cc, int maxsamples,
   50     struct trapframe *tf)
   51 {
   52         (void) cc;
   53         (void) maxsamples;
   54         (void) tf;
   55         return (0);
   56 }
   57 
   58 int
   59 pmc_save_user_callchain(uintptr_t *cc, int maxsamples,
   60     struct trapframe *tf)
   61 {
   62         (void) cc;
   63         (void) maxsamples;
   64         (void) tf;
   65         return (0);
   66 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/hwpmc/hwpmc_powerpc.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/hwpmc/hwpmc_powerpc.c