/*
* This file is subject to the terms and conditions of the GNU General Public
* License . See the file " COPYING " in the main directory of this archive
* for more details .
*
* KVM / MIPS : COP0 access histogram
*
* Copyright ( C ) 2012 MIPS Technologies , Inc . All rights reserved .
* Authors : Sanjay Lal < sanjayl @ kymasys . com >
*/
#include <linux/kvm_host.h>
char *kvm_cop0_str[N_MIPS_COPROC_REGS] = {
"Index" ,
"Random" ,
"EntryLo0" ,
"EntryLo1" ,
"Context" ,
"PG Mask" ,
"Wired" ,
"HWREna" ,
"BadVAddr" ,
"Count" ,
"EntryHI" ,
"Compare" ,
"Status" ,
"Cause" ,
"EXC PC" ,
"PRID" ,
"Config" ,
"LLAddr" ,
"Watch Lo" ,
"Watch Hi" ,
"X Context" ,
"Reserved" ,
"Impl Dep" ,
"Debug" ,
"DEPC" ,
"PerfCnt" ,
"ErrCtl" ,
"CacheErr" ,
"TagLo" ,
"TagHi" ,
"ErrorEPC" ,
"DESAVE"
};
void kvm_mips_dump_stats(struct kvm_vcpu *vcpu)
{
#ifdef CONFIG_KVM_MIPS_DEBUG_COP0_COUNTERS
int i, j;
kvm_info("\nKVM VCPU[%d] COP0 Access Profile:\n" , vcpu->vcpu_id);
for (i = 0 ; i < N_MIPS_COPROC_REGS; i++) {
for (j = 0 ; j < N_MIPS_COPROC_SEL; j++) {
if (vcpu->arch.cop0.stat[i][j])
kvm_info("%s[%d]: %lu\n" , kvm_cop0_str[i], j,
vcpu->arch.cop0.stat[i][j]);
}
}
#endif
}
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