diff options
| author |   will schmidt <will_schmidt@vnet.ibm.com> | 2007-06-27 02:12:33 +1000 |
|---|---|---|
| committer |   Paul Mackerras <paulus@samba.org> | 2007-07-10 21:55:48 +1000 |
| commit | 078f194045f892a10f4a5406e7cb06a7f8d42c57 (patch) | |
| tree | c81b15e94d451cddf43c71657a86adf2e8773a11 /include | |
| parent | [POWERPC] Make two xmon variables static (diff) | |
| download | linux-dev-078f194045f892a10f4a5406e7cb06a7f8d42c57.tar.xz linux-dev-078f194045f892a10f4a5406e7cb06a7f8d42c57.zip | |
[POWERPC] Oprofile enhanced instruction sampling support
Oprofile enhanced instruction sampling support.
When performing instruction sampling, the mmcra[SLOT] field can be used to
more accurately identify the address of the sampled instruction.
Tested on power4, js20, power5 and power5+.
Signed-off-by: Will Schmidt <will_schmidt@vnet.ibm.com>
cc: Maynard Johnson <maynardj@us.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-powerpc/reg.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h index 749c7f953b58..281011e953ec 100644 --- a/include/asm-powerpc/reg.h +++ b/include/asm-powerpc/reg.h @@ -453,6 +453,8 @@ #define SPRN_MMCRA 0x312 #define MMCRA_SIHV 0x10000000UL /* state of MSR HV when SIAR set */ #define MMCRA_SIPR 0x08000000UL /* state of MSR PR when SIAR set */ +#define MMCRA_SLOT 0x07000000UL /* SLOT bits (37-39) */ +#define MMCRA_SLOT_SHIFT 24 #define MMCRA_SAMPLE_ENABLE 0x00000001UL /* enable sampling */ #define POWER6_MMCRA_SIHV 0x0000040000000000ULL #define POWER6_MMCRA_SIPR 0x0000020000000000ULL |