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34 #include "base/trace.hh"
35 #include "cpu/thread_context.hh"
36 #include "kern/tru64/tru64_syscalls.hh"
37 #include "kern/kernel_stats.hh"
38 #include "sim/system.hh"
41 using namespace Stats
;
45 Statistics::Statistics(System
*system
)
46 : iplLast(0), iplLastTick(0)
51 Statistics::regStats(const string
&_name
)
56 .name(name() + ".inst.arm")
57 .desc("number of arm instructions executed")
61 .name(name() + ".inst.quiesce")
62 .desc("number of quiesce instructions executed")
67 .name(name() + ".ipl_count")
68 .desc("number of times we switched to this ipl")
69 .flags(total
| pdf
| nozero
| nonan
)
74 .name(name() + ".ipl_good")
75 .desc("number of times we switched to this ipl from a different ipl")
76 .flags(total
| pdf
| nozero
| nonan
)
81 .name(name() + ".ipl_ticks")
82 .desc("number of cycles we spent at this ipl")
83 .flags(total
| pdf
| nozero
| nonan
)
87 .name(name() + ".ipl_used")
88 .desc("fraction of swpipl calls that actually changed the ipl")
89 .flags(total
| nozero
| nonan
)
92 _iplUsed
= _iplGood
/ _iplCount
;
95 .init(SystemCalls
<Tru64
>::Number
)
96 .name(name() + ".syscall")
97 .desc("number of syscalls executed")
98 .flags(total
| pdf
| nozero
| nonan
)
101 //@todo This needs to get the names of syscalls from an appropriate place.
103 for (int i
= 0; i
< SystemCalls
<Tru64
>::Number
; ++i
) {
104 const char *str
= SystemCalls
<Tru64
>::name(i
);
106 _syscall
.subname(i
, str
);
113 Statistics::swpipl(int ipl
)
115 assert(ipl
>= 0 && ipl
<= 0x1f && "invalid IPL\n");
123 _iplTicks
[iplLast
] += curTick() - iplLastTick
;
124 iplLastTick
= curTick();
129 Statistics::serialize(ostream
&os
)
131 SERIALIZE_SCALAR(iplLast
);
132 SERIALIZE_SCALAR(iplLastTick
);
136 Statistics::unserialize(Checkpoint
*cp
, const string
§ion
)
138 UNSERIALIZE_SCALAR(iplLast
);
139 UNSERIALIZE_SCALAR(iplLastTick
);
142 } // namespace Kernel