| /* |
| * 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_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; |
| } |
