1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * This file is subject to the terms and conditions of the GNU General Public
3*4882a593Smuzhiyun * License. See the file "COPYING" in the main directory of this archive
4*4882a593Smuzhiyun * for more details.
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * KVM/MIPS: COP0 access histogram
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
9*4882a593Smuzhiyun * Authors: Sanjay Lal <sanjayl@kymasys.com>
10*4882a593Smuzhiyun */
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #include <linux/kvm_host.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun char *kvm_cop0_str[N_MIPS_COPROC_REGS] = {
15*4882a593Smuzhiyun "Index",
16*4882a593Smuzhiyun "Random",
17*4882a593Smuzhiyun "EntryLo0",
18*4882a593Smuzhiyun "EntryLo1",
19*4882a593Smuzhiyun "Context",
20*4882a593Smuzhiyun "PG Mask",
21*4882a593Smuzhiyun "Wired",
22*4882a593Smuzhiyun "HWREna",
23*4882a593Smuzhiyun "BadVAddr",
24*4882a593Smuzhiyun "Count",
25*4882a593Smuzhiyun "EntryHI",
26*4882a593Smuzhiyun "Compare",
27*4882a593Smuzhiyun "Status",
28*4882a593Smuzhiyun "Cause",
29*4882a593Smuzhiyun "EXC PC",
30*4882a593Smuzhiyun "PRID",
31*4882a593Smuzhiyun "Config",
32*4882a593Smuzhiyun "LLAddr",
33*4882a593Smuzhiyun "Watch Lo",
34*4882a593Smuzhiyun "Watch Hi",
35*4882a593Smuzhiyun "X Context",
36*4882a593Smuzhiyun "Reserved",
37*4882a593Smuzhiyun "Impl Dep",
38*4882a593Smuzhiyun "Debug",
39*4882a593Smuzhiyun "DEPC",
40*4882a593Smuzhiyun "PerfCnt",
41*4882a593Smuzhiyun "ErrCtl",
42*4882a593Smuzhiyun "CacheErr",
43*4882a593Smuzhiyun "TagLo",
44*4882a593Smuzhiyun "TagHi",
45*4882a593Smuzhiyun "ErrorEPC",
46*4882a593Smuzhiyun "DESAVE"
47*4882a593Smuzhiyun };
48*4882a593Smuzhiyun
kvm_mips_dump_stats(struct kvm_vcpu * vcpu)49*4882a593Smuzhiyun void kvm_mips_dump_stats(struct kvm_vcpu *vcpu)
50*4882a593Smuzhiyun {
51*4882a593Smuzhiyun #ifdef CONFIG_KVM_MIPS_DEBUG_COP0_COUNTERS
52*4882a593Smuzhiyun int i, j;
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun kvm_info("\nKVM VCPU[%d] COP0 Access Profile:\n", vcpu->vcpu_id);
55*4882a593Smuzhiyun for (i = 0; i < N_MIPS_COPROC_REGS; i++) {
56*4882a593Smuzhiyun for (j = 0; j < N_MIPS_COPROC_SEL; j++) {
57*4882a593Smuzhiyun if (vcpu->arch.cop0->stat[i][j])
58*4882a593Smuzhiyun kvm_info("%s[%d]: %lu\n", kvm_cop0_str[i], j,
59*4882a593Smuzhiyun vcpu->arch.cop0->stat[i][j]);
60*4882a593Smuzhiyun }
61*4882a593Smuzhiyun }
62*4882a593Smuzhiyun #endif
63*4882a593Smuzhiyun }
64