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| author |   Ingo Molnar <mingo@elte.hu> | 2008-12-03 10:39:53 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-08 15:47:15 +0100 |
| commit | 241771ef016b5c0c83cd7a4372a74321c973c1e6 (patch) | |
| tree | 5893d72f1721af34daee82f27449bd35c9f65363 /arch/x86/include/asm/unistd_64.h | |
| parent | performance counters: documentation (diff) | |
| download | linux-dev-241771ef016b5c0c83cd7a4372a74321c973c1e6.tar.xz linux-dev-241771ef016b5c0c83cd7a4372a74321c973c1e6.zip | |
performance counters: x86 support
Implement performance counters for x86 Intel CPUs.
It's simplified right now: the PERFMON CPU feature is assumed,
which is available in Core2 and later Intel CPUs.
The design is flexible to be extended to more CPU types as well.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/unistd_64.h')
| -rw-r--r-- | arch/x86/include/asm/unistd_64.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/include/asm/unistd_64.h b/arch/x86/include/asm/unistd_64.h index d2e415e6666f..53025feaf88d 100644 --- a/arch/x86/include/asm/unistd_64.h +++ b/arch/x86/include/asm/unistd_64.h @@ -653,7 +653,8 @@ __SYSCALL(__NR_dup3, sys_dup3) __SYSCALL(__NR_pipe2, sys_pipe2) #define __NR_inotify_init1 294 __SYSCALL(__NR_inotify_init1, sys_inotify_init1) - +#define __NR_perf_counter_open 295 +__SYSCALL(__NR_perf_counter_open, sys_perf_counter_open) #ifndef __NO_STUBS #define __ARCH_WANT_OLD_READDIR |