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Diffstat (limited to 'src/cpu/o3/thread_state.hh')
-rw-r--r--src/cpu/o3/thread_state.hh29
1 files changed, 27 insertions, 2 deletions
diff --git a/src/cpu/o3/thread_state.hh b/src/cpu/o3/thread_state.hh
index b6f2e14c0..0247deb52 100644
--- a/src/cpu/o3/thread_state.hh
+++ b/src/cpu/o3/thread_state.hh
@@ -31,8 +31,11 @@
#ifndef __CPU_O3_THREAD_STATE_HH__
#define __CPU_O3_THREAD_STATE_HH__
+#include "base/callback.hh"
+#include "base/output.hh"
#include "cpu/thread_context.hh"
#include "cpu/thread_state.hh"
+#include "sim/sim_exit.hh"
class Event;
class Process;
@@ -75,8 +78,22 @@ struct O3ThreadState : public ThreadState {
#if FULL_SYSTEM
O3ThreadState(O3CPU *_cpu, int _thread_num)
: ThreadState(-1, _thread_num),
- inSyscall(0), trapPending(0)
- { }
+ cpu(_cpu), inSyscall(0), trapPending(0)
+ {
+ if (cpu->params->profile) {
+ profile = new FunctionProfile(cpu->params->system->kernelSymtab);
+ Callback *cb =
+ new MakeCallback<O3ThreadState,
+ &O3ThreadState::dumpFuncProfile>(this);
+ registerExitCallback(cb);
+ }
+
+ // let's fill with a dummy node for now so we don't get a segfault
+ // on the first cycle when there's no node available.
+ static ProfileNode dummyNode;
+ profileNode = &dummyNode;
+ profilePC = 3;
+ }
#else
O3ThreadState(O3CPU *_cpu, int _thread_num, Process *_process, int _asid,
MemObject *mem)
@@ -95,6 +112,14 @@ struct O3ThreadState : public ThreadState {
/** Handles the syscall. */
void syscall(int64_t callnum) { process->syscall(callnum, tc); }
#endif
+
+#if FULL_SYSTEM
+ void dumpFuncProfile()
+ {
+ std::ostream *os = simout.create(csprintf("profile.%s.dat", cpu->name()));
+ profile->dump(xcProxy, *os);
+ }
+#endif
};
#endif // __CPU_O3_THREAD_STATE_HH__