83 lines
1.4 KiB
C
83 lines
1.4 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* KVM/MIPS: COP0 access histogram
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*
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* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
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* Authors: Sanjay Lal <sanjayl@kymasys.com>
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*/
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#include <linux/kvm_host.h>
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char *kvm_mips_exit_types_str[MAX_KVM_MIPS_EXIT_TYPES] = {
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"WAIT",
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"CACHE",
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"Signal",
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"Interrupt",
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"COP0/1 Unusable",
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"TLB Mod",
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"TLB Miss (LD)",
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"TLB Miss (ST)",
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"Address Err (ST)",
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"Address Error (LD)",
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"System Call",
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"Reserved Inst",
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"Break Inst",
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"D-Cache Flushes",
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};
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char *kvm_cop0_str[N_MIPS_COPROC_REGS] = {
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"Index",
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"Random",
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"EntryLo0",
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"EntryLo1",
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"Context",
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"PG Mask",
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"Wired",
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"HWREna",
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"BadVAddr",
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"Count",
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"EntryHI",
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"Compare",
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"Status",
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"Cause",
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"EXC PC",
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"PRID",
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"Config",
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"LLAddr",
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"Watch Lo",
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"Watch Hi",
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"X Context",
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"Reserved",
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"Impl Dep",
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"Debug",
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"DEPC",
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"PerfCnt",
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"ErrCtl",
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"CacheErr",
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"TagLo",
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"TagHi",
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"ErrorEPC",
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"DESAVE"
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};
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int kvm_mips_dump_stats(struct kvm_vcpu *vcpu)
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{
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#ifdef CONFIG_KVM_MIPS_DEBUG_COP0_COUNTERS
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int i, j;
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printk("\nKVM VCPU[%d] COP0 Access Profile:\n", vcpu->vcpu_id);
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for (i = 0; i < N_MIPS_COPROC_REGS; i++) {
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for (j = 0; j < N_MIPS_COPROC_SEL; j++) {
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if (vcpu->arch.cop0->stat[i][j])
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printk("%s[%d]: %lu\n", kvm_cop0_str[i], j,
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vcpu->arch.cop0->stat[i][j]);
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}
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}
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#endif
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return 0;
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}
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