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author | Ingo Molnar <mingo@elte.hu> | 2008-11-07 19:22:10 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-11-07 19:22:10 +0100 |
commit | 01aab518b084a547940ed6ff334e9a7721c7dc71 (patch) | |
tree | 627f0c7e4833b1c563aba403a1f731fc7c4f3b0c /arch/x86 | |
parent | fed4d59b6ec5481caceb17863f19a0b0e5eaa939 (diff) | |
parent | 7c64ade53a6f977d73f16243865c42ceae999aea (diff) |
Merge branch 'oprofile-for-tip' of git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile into x86/urgent
Diffstat (limited to 'arch/x86')
-rw-r--r-- | arch/x86/oprofile/op_model_ppro.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c index 0620d6d45f7d..3f1b81a83e2e 100644 --- a/arch/x86/oprofile/op_model_ppro.c +++ b/arch/x86/oprofile/op_model_ppro.c @@ -27,8 +27,7 @@ static int num_counters = 2; static int counter_width = 32; #define CTR_IS_RESERVED(msrs, c) (msrs->counters[(c)].addr ? 1 : 0) -#define CTR_READ(l, h, msrs, c) do {rdmsr(msrs->counters[(c)].addr, (l), (h)); } while (0) -#define CTR_OVERFLOWED(n) (!((n) & (1U<<(counter_width-1)))) +#define CTR_OVERFLOWED(n) (!((n) & (1ULL<<(counter_width-1)))) #define CTRL_IS_RESERVED(msrs, c) (msrs->controls[(c)].addr ? 1 : 0) #define CTRL_READ(l, h, msrs, c) do {rdmsr((msrs->controls[(c)].addr), (l), (h)); } while (0) @@ -124,14 +123,14 @@ static void ppro_setup_ctrs(struct op_msrs const * const msrs) static int ppro_check_ctrs(struct pt_regs * const regs, struct op_msrs const * const msrs) { - unsigned int low, high; + u64 val; int i; for (i = 0 ; i < num_counters; ++i) { if (!reset_value[i]) continue; - CTR_READ(low, high, msrs, i); - if (CTR_OVERFLOWED(low)) { + rdmsrl(msrs->counters[i].addr, val); + if (CTR_OVERFLOWED(val)) { oprofile_add_sample(regs, i); wrmsrl(msrs->counters[i].addr, -reset_value[i]); } |