Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH 4/4] perf, x86: Remove old MSR perf tracing code | Date | Tue, 1 Dec 2015 17:01:00 -0800 |
| |
From: Andi Kleen <ak@linux.intel.com>
Now that we have generic MSR trace points we can remove the old hackish perf MSR read tracing code.
Signed-off-by: Andi Kleen <ak@linux.intel.com> --- arch/x86/kernel/cpu/perf_event.h | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-)
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h index 499f533..5300247 100644 --- a/arch/x86/kernel/cpu/perf_event.h +++ b/arch/x86/kernel/cpu/perf_event.h @@ -14,17 +14,7 @@ #include <linux/perf_event.h> -#if 0 -#undef wrmsrl -#define wrmsrl(msr, val) \ -do { \ - unsigned int _msr = (msr); \ - u64 _val = (val); \ - trace_printk("wrmsrl(%x, %Lx)\n", (unsigned int)(_msr), \ - (unsigned long long)(_val)); \ - native_write_msr((_msr), (u32)(_val), (u32)(_val >> 32)); \ -} while (0) -#endif +/* To enable MSR tracing please use the generic trace points. */ /* * | NHM/WSM | SNB | -- 2.4.3
| |