2 * Copyright (c) 2003 The Regents of The University of Michigan
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33 #include "arch/alpha/osfpal.hh"
34 #include "base/trace.hh"
35 #include "base/statistics.hh"
36 #include "base/stats/bin.hh"
37 #include "cpu/exec_context.hh"
38 #include "cpu/pc_event.hh"
39 #include "cpu/static_inst.hh"
40 #include "kern/kernel_stats.hh"
41 #include "kern/linux/linux_syscalls.hh"
44 using namespace Stats
;
48 const char *modestr
[] = { "kernel", "user", "idle", "interrupt" };
50 Statistics::Statistics(ExecContext
*context
)
51 : xc(context
), idleProcess((Addr
)-1), themode(kernel
), lastModeTick(0),
52 iplLast(0), iplLastTick(0)
54 bin_int
= xc
->system
->params
->bin_int
;
58 Statistics::regStats(const string
&_name
)
63 .name(name() + ".inst.arm")
64 .desc("number of arm instructions executed")
68 .name(name() + ".inst.quiesce")
69 .desc("number of quiesce instructions executed")
73 .name(name() + ".inst.ivlb")
74 .desc("number of ivlb instructions executed")
78 .name(name() + ".inst.ivle")
79 .desc("number of ivle instructions executed")
83 .name(name() + ".inst.hwrei")
84 .desc("number of hwrei instructions executed")
89 .name(name() + ".ipl_count")
90 .desc("number of times we switched to this ipl")
91 .flags(total
| pdf
| nozero
| nonan
)
96 .name(name() + ".ipl_good")
97 .desc("number of times we switched to this ipl from a different ipl")
98 .flags(total
| pdf
| nozero
| nonan
)
103 .name(name() + ".ipl_ticks")
104 .desc("number of cycles we spent at this ipl")
105 .flags(total
| pdf
| nozero
| nonan
)
109 .name(name() + ".ipl_used")
110 .desc("fraction of swpipl calls that actually changed the ipl")
111 .flags(total
| nozero
| nonan
)
114 _iplUsed
= _iplGood
/ _iplCount
;
118 .name(name() + ".callpal")
119 .desc("number of callpals executed")
120 .flags(total
| pdf
| nozero
| nonan
)
123 for (int i
= 0; i
< PAL::NumCodes
; ++i
) {
124 const char *str
= PAL::name(i
);
126 _callpal
.subname(i
, str
);
130 .init(SystemCalls
<Tru64
>::Number
)
131 .name(name() + ".syscall")
132 .desc("number of syscalls executed")
133 .flags(total
| pdf
| nozero
| nonan
)
136 for (int i
= 0; i
< SystemCalls
<Tru64
>::Number
; ++i
) {
137 const char *str
= SystemCalls
<Tru64
>::name(i
);
139 _syscall
.subname(i
, str
);
145 .name(name() + ".faults")
146 .desc("number of faults")
147 .flags(total
| pdf
| nozero
| nonan
)
150 for (int i
= 1; i
< Num_Faults
; ++i
) {
151 const char *str
= FaultName(i
);
153 _faults
.subname(i
, str
);
158 .name(name() + ".mode_switch")
159 .desc("number of protection mode switches")
162 for (int i
= 0; i
< cpu_mode_num
; ++i
)
163 _mode
.subname(i
, modestr
[i
]);
167 .name(name() + ".mode_good")
170 for (int i
= 0; i
< cpu_mode_num
; ++i
)
171 _modeGood
.subname(i
, modestr
[i
]);
174 .name(name() + ".mode_switch_good")
175 .desc("fraction of useful protection mode switches")
179 for (int i
= 0; i
< cpu_mode_num
; ++i
)
180 _modeFraction
.subname(i
, modestr
[i
]);
182 _modeFraction
= _modeGood
/ _mode
;
186 .name(name() + ".mode_ticks")
187 .desc("number of ticks spent at the given mode")
190 for (int i
= 0; i
< cpu_mode_num
; ++i
)
191 _modeTicks
.subname(i
, modestr
[i
]);
194 .name(name() + ".swap_context")
195 .desc("number of times the context was actually changed")
200 Statistics::setIdleProcess(Addr idlepcbb
)
202 assert(themode
== kernel
|| themode
== interrupt
);
203 idleProcess
= idlepcbb
;
209 Statistics::changeMode(cpu_mode newmode
)
213 if (newmode
== themode
)
216 DPRINTF(Context
, "old mode=%-8s new mode=%-8s\n",
217 modestr
[themode
], modestr
[newmode
]);
219 _modeGood
[newmode
]++;
220 _modeTicks
[themode
] += curTick
- lastModeTick
;
222 xc
->system
->kernelBinning
->changeMode(newmode
);
224 lastModeTick
= curTick
;
229 Statistics::swpipl(int ipl
)
231 assert(ipl
>= 0 && ipl
<= 0x1f && "invalid IPL\n");
239 _iplTicks
[iplLast
] += curTick
- iplLastTick
;
240 iplLastTick
= curTick
;
245 Statistics::mode(cpu_mode newmode
)
247 Addr pcbb
= xc
->regs
.ipr
[AlphaISA::IPR_PALtemp23
];
249 if ((newmode
== kernel
|| newmode
== interrupt
) &&
253 if (bin_int
== false && newmode
== interrupt
)
260 Statistics::context(Addr oldpcbb
, Addr newpcbb
)
262 assert(themode
!= user
);
265 changeMode(newpcbb
== idleProcess
? idle
: kernel
);
269 Statistics::callpal(int code
)
271 if (!PAL::name(code
))
278 int number
= xc
->regs
.intRegFile
[0];
279 if (SystemCalls
<Tru64
>::validSyscallNumber(number
)) {
280 int cvtnum
= SystemCalls
<Tru64
>::convert(number
);
286 if (xc
->system
->kernelBinning
)
287 xc
->system
->kernelBinning
->palSwapContext(xc
);
293 Statistics::serialize(ostream
&os
)
295 int exemode
= themode
;
296 SERIALIZE_SCALAR(exemode
);
300 Statistics::unserialize(Checkpoint
*cp
, const string
§ion
)
303 UNSERIALIZE_SCALAR(exemode
);
304 themode
= (cpu_mode
)exemode
;
307 /* end namespace Kernel */ }