tools: turbostat: fix bitwise and operand
bug could cause false positive on indicating presence of invarient TSC or APERF support. Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
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@ -892,7 +892,7 @@ void check_cpuid()
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* this check is valid for both Intel and AMD
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*/
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asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x80000007));
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has_invariant_tsc = edx && (1 << 8);
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has_invariant_tsc = edx & (1 << 8);
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if (!has_invariant_tsc) {
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fprintf(stderr, "No invariant TSC\n");
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@ -905,7 +905,7 @@ void check_cpuid()
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*/
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asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x6));
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has_aperf = ecx && (1 << 0);
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has_aperf = ecx & (1 << 0);
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if (!has_aperf) {
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fprintf(stderr, "No APERF MSR\n");
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exit(1);
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