| 1 | /* |
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| 2 | * This file is subject to the terms and conditions of the GNU General Public |
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| 3 | * License. See the file "COPYING" in the main directory of this archive |
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| 4 | * for more details. |
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| 5 | * |
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| 6 | * KVM/MIPS: COP0 access histogram |
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| 7 | * |
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| 8 | * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. |
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| 9 | * Authors: Sanjay Lal <sanjayl@kymasys.com> |
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| 10 | */ |
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| 11 | |
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| 12 | #include <linux/kvm_host.h> |
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| 13 | |
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| 14 | char *kvm_cop0_str[N_MIPS_COPROC_REGS] = { |
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| 15 | "Index" , |
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| 16 | "Random" , |
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| 17 | "EntryLo0" , |
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| 18 | "EntryLo1" , |
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| 19 | "Context" , |
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| 20 | "PG Mask" , |
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| 21 | "Wired" , |
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| 22 | "HWREna" , |
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| 23 | "BadVAddr" , |
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| 24 | "Count" , |
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| 25 | "EntryHI" , |
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| 26 | "Compare" , |
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| 27 | "Status" , |
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| 28 | "Cause" , |
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| 29 | "EXC PC" , |
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| 30 | "PRID" , |
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| 31 | "Config" , |
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| 32 | "LLAddr" , |
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| 33 | "Watch Lo" , |
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| 34 | "Watch Hi" , |
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| 35 | "X Context" , |
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| 36 | "Reserved" , |
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| 37 | "Impl Dep" , |
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| 38 | "Debug" , |
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| 39 | "DEPC" , |
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| 40 | "PerfCnt" , |
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| 41 | "ErrCtl" , |
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| 42 | "CacheErr" , |
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| 43 | "TagLo" , |
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| 44 | "TagHi" , |
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| 45 | "ErrorEPC" , |
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| 46 | "DESAVE" |
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| 47 | }; |
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| 48 | |
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| 49 | void kvm_mips_dump_stats(struct kvm_vcpu *vcpu) |
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| 50 | { |
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| 51 | #ifdef CONFIG_KVM_MIPS_DEBUG_COP0_COUNTERS |
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| 52 | int i, j; |
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| 53 | |
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| 54 | kvm_info("\nKVM VCPU[%d] COP0 Access Profile:\n" , vcpu->vcpu_id); |
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| 55 | for (i = 0; i < N_MIPS_COPROC_REGS; i++) { |
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| 56 | for (j = 0; j < N_MIPS_COPROC_SEL; j++) { |
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| 57 | if (vcpu->arch.cop0.stat[i][j]) |
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| 58 | kvm_info("%s[%d]: %lu\n" , kvm_cop0_str[i], j, |
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| 59 | vcpu->arch.cop0.stat[i][j]); |
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| 60 | } |
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| 61 | } |
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| 62 | #endif |
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| 63 | } |
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| 64 | |
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