release/src-rt/include/bcmperf.h

   1 /*
   2  * Performance counters software interface.
   3  *
   4  * Copyright (C) 2010, Broadcom Corporation. All Rights Reserved.
   5  *
   6  * Permission to use, copy, modify, and/or distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  13  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  15  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  16  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  *
  18  * $Id: bcmperf.h,v 13.5 2007-09-14 22:00:59 Exp $
  19  */
  20 /* essai */
  21 #ifndef _BCMPERF_H_
  22 #define _BCMPERF_H_
  23 /* get cache hits and misses */
  24 #if defined(BCMMIPS) && defined(BCMPERFSTATS)
  25 #include <hndmips.h>
  26 #define BCMPERF_ENABLE_INSTRCOUNT() hndmips_perf_instrcount_enable()
  27 #define BCMPERF_ENABLE_ICACHE_MISS() hndmips_perf_icache_miss_enable()
  28 #define BCMPERF_ENABLE_ICACHE_HIT() hndmips_perf_icache_hit_enable()
  29 #define BCMPERF_GETICACHE_MISS(x)       ((x) = hndmips_perf_read_cache_miss())
  30 #define BCMPERF_GETICACHE_HIT(x)        ((x) = hndmips_perf_read_cache_hit())
  31 #define BCMPERF_GETINSTRCOUNT(x)        ((x) = hndmips_perf_read_instrcount())
  32 #else
  33 #define BCMPERF_ENABLE_INSTRCOUNT()
  34 #define BCMPERF_ENABLE_ICACHE_MISS()
  35 #define BCMPERF_ENABLE_ICACHE_HIT()
  36 #define BCMPERF_GETICACHE_MISS(x)       ((x) = 0)
  37 #define BCMPERF_GETICACHE_HIT(x)        ((x) = 0)
  38 #define BCMPERF_GETINSTRCOUNT(x)        ((x) = 0)
  39 #endif /* defined(mips) */
  40 #endif /* _BCMPERF_H_ */