release/src/include/bcmperf.h

   1 /*
   2  * Performance counters software interface.
   3  *
   4  * Copyright 2007, Broadcom Corporation
   5  * All Rights Reserved.
   6  *
   7  * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
   8  * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
   9  * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
  10  * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
  11  *
  12  * $Id$
  13  */
  14 /* essai */
  15 #ifndef _BCMPERF_H_
  16 #define _BCMPERF_H_
  17 /* get cache hits and misses */
  18 #if defined(mips) && defined(BCMPERFSTATS)
  19 #include <hndmips.h>
  20 #define BCMPERF_ENABLE_INSTRCOUNT() hndmips_perf_instrcount_enable()
  21 #define BCMPERF_ENABLE_ICACHE_MISS() hndmips_perf_icache_miss_enable()
  22 #define BCMPERF_ENABLE_ICACHE_HIT() hndmips_perf_icache_hit_enable()
  23 #define BCMPERF_GETICACHE_MISS(x)       ((x) = hndmips_perf_read_cache_miss())
  24 #define BCMPERF_GETICACHE_HIT(x)        ((x) = hndmips_perf_read_cache_hit())
  25 #define BCMPERF_GETINSTRCOUNT(x)        ((x) = hndmips_perf_read_instrcount())
  26 #else
  27 #define BCMPERF_ENABLE_INSTRCOUNT()
  28 #define BCMPERF_ENABLE_ICACHE_MISS()
  29 #define BCMPERF_ENABLE_ICACHE_HIT()
  30 #define BCMPERF_GETICACHE_MISS(x)       ((x) = 0)
  31 #define BCMPERF_GETICACHE_HIT(x)        ((x) = 0)
  32 #define BCMPERF_GETINSTRCOUNT(x)        ((x) = 0)
  33 #endif /* defined(mips) */
  34 #endif /* _BCMPERF_H_ */