2012-11-22 10:34:07 +08:00
|
|
|
/*
|
2014-06-27 03:11:34 +08:00
|
|
|
* 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>
|
|
|
|
|
*/
|
2012-11-22 10:34:07 +08:00
|
|
|
|
|
|
|
|
#include <linux/kvm_host.h>
|
|
|
|
|
|
|
|
|
|
char *kvm_mips_exit_types_str[MAX_KVM_MIPS_EXIT_TYPES] = {
|
|
|
|
|
"WAIT",
|
|
|
|
|
"CACHE",
|
|
|
|
|
"Signal",
|
|
|
|
|
"Interrupt",
|
|
|
|
|
"COP0/1 Unusable",
|
|
|
|
|
"TLB Mod",
|
|
|
|
|
"TLB Miss (LD)",
|
|
|
|
|
"TLB Miss (ST)",
|
|
|
|
|
"Address Err (ST)",
|
|
|
|
|
"Address Error (LD)",
|
|
|
|
|
"System Call",
|
|
|
|
|
"Reserved Inst",
|
|
|
|
|
"Break Inst",
|
|
|
|
|
"D-Cache Flushes",
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
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"
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
int kvm_mips_dump_stats(struct kvm_vcpu *vcpu)
|
|
|
|
|
{
|
|
|
|
|
#ifdef CONFIG_KVM_MIPS_DEBUG_COP0_COUNTERS
|
|
|
|
|
int i, j;
|
|
|
|
|
|
|
|
|
|
printk("\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])
|
|
|
|
|
printk("%s[%d]: %lu\n", kvm_cop0_str[i], j,
|
|
|
|
|
vcpu->arch.cop0->stat[i][j]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
