diff options
| author | Carsten Otte <cotte@de.ibm.com> | 2010-05-17 10:00:04 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-05-17 10:00:15 +0200 |
| commit | cd3b70f5d4d82f85d1e1d6e822f38ae098cf7c72 (patch) | |
| tree | aa394e63d300312bece2afb53a53dfd93a0f5f23 /arch/s390/include/asm/setup.h | |
| parent | 6377981faf1a4425b0531e577736ef03df97c8f6 (diff) | |
| download | linux-cd3b70f5d4d82f85d1e1d6e822f38ae098cf7c72.tar.bz2 | |
[S390] virtualization aware cpu measurement
Use the SPP instruction to set a tag on entry to / exit of the virtual
machine context. This allows the cpu measurement facility to distinguish
the samples from the host and the different guests.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/setup.h')
| -rw-r--r-- | arch/s390/include/asm/setup.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index 9ab6bd3a65d1..25e831d58e1e 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -2,7 +2,7 @@ * include/asm-s390/setup.h * * S390 version - * Copyright IBM Corp. 1999,2006 + * Copyright IBM Corp. 1999,2010 */ #ifndef _ASM_S390_SETUP_H @@ -72,6 +72,7 @@ extern unsigned int user_mode; #define MACHINE_FLAG_HPAGE (1UL << 10) #define MACHINE_FLAG_PFMF (1UL << 11) #define MACHINE_FLAG_LPAR (1UL << 12) +#define MACHINE_FLAG_SPP (1UL << 13) #define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) #define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) @@ -88,6 +89,7 @@ extern unsigned int user_mode; #define MACHINE_HAS_MVCOS (0) #define MACHINE_HAS_HPAGE (0) #define MACHINE_HAS_PFMF (0) +#define MACHINE_HAS_SPP (0) #else /* __s390x__ */ #define MACHINE_HAS_IEEE (1) #define MACHINE_HAS_CSP (1) @@ -97,6 +99,7 @@ extern unsigned int user_mode; #define MACHINE_HAS_MVCOS (S390_lowcore.machine_flags & MACHINE_FLAG_MVCOS) #define MACHINE_HAS_HPAGE (S390_lowcore.machine_flags & MACHINE_FLAG_HPAGE) #define MACHINE_HAS_PFMF (S390_lowcore.machine_flags & MACHINE_FLAG_PFMF) +#define MACHINE_HAS_SPP (S390_lowcore.machine_flags & MACHINE_FLAG_SPP) #endif /* __s390x__ */ #define ZFCPDUMP_HSA_SIZE (32UL<<20) |