trace: reimplement the DTRACE function so it doesn't use a vector

At the same time, rename the trace flags to debug flags since they
have broader usage than simply tracing.  This means that
--trace-flags is now --debug-flags and --trace-help is now --debug-help

3 files changed, 76 insertions, 33 deletions

diff --git a/src/python/m5/debug.py b/src/python/m5/debug.py
index cd40b8fa3..8231126a0 100644
--- a/src/python/m5/debug.py
+++ b/src/python/m5/debug.py
@@ -29,3 +29,65 @@
 import internal
 
 from internal.debug import schedBreakCycle, setRemoteGDBPort
+
+def help():
+    print "Base Flags:"
+    for flag in flags.basic:
+        print "    %s: %s" % (flag, flags.descriptions[flag])
+    print
+    print "Compound Flags:"
+    for flag in flags.compound:
+        if flag == 'All':
+            continue
+        print "    %s: %s" % (flag, flags.descriptions[flag])
+        util.printList(flags.compoundMap[flag], indent=8)
+        print
+
+class AllFlags(object):
+    def __init__(self):
+        self._version = -1
+        self._dict = {}
+
+    def _update(self):
+        current_version = internal.debug.getAllFlagsVersion()
+        if self._version == current_version:
+            return
+
+        self._dict.clear()
+        for flag in internal.debug.getAllFlags():
+            self._dict[flag.name()] = flag
+        self._version = current_version
+
+    def __contains__(self, item):
+        self._update()
+        return item in self._dict
+
+    def __getitem__(self, item):
+        self._update()
+        return self._dict[item]
+
+    def keys(self):
+        self._update()
+        return self._dict.keys()
+
+    def values(self):
+        self._update()
+        return self._dict.values()
+
+    def items(self):
+        self._update()
+        return self._dict.items()
+
+    def iterkeys(self):
+        self._update()
+        return self._dict.iterkeys()
+
+    def itervalues(self):
+        self._update()
+        return self._dict.itervalues()
+
+    def iteritems(self):
+        self._update()
+        return self._dict.iteritems()
+
+flags = AllFlags()
diff --git a/src/python/m5/main.py b/src/python/m5/main.py
index f932ec63a..adf42fc96 100644
--- a/src/python/m5/main.py
+++ b/src/python/m5/main.py
@@ -98,15 +98,15 @@ add_option("--dump-config", metavar="FILE", default="config.ini",
 set_group("Debugging Options")
 add_option("--debug-break", metavar="TIME[,TIME]", action='append', split=',',
     help="Cycle to create a breakpoint")
+add_option("--debug-help", action='store_true',
+    help="Print help on debug flags")
+add_option("--debug-flags", metavar="FLAG[,FLAG]", action='append', split=',',
+    help="Sets the flags for debugging (-FLAG disables a flag)")
 add_option("--remote-gdb-port", type='int', default=7000,
     help="Remote gdb base port (set to 0 to disable listening)")
 
 # Tracing options
 set_group("Trace Options")
-add_option("--trace-help", action='store_true',
-    help="Print help on trace flags")
-add_option("--trace-flags", metavar="FLAG[,FLAG]", action='append', split=',',
-    help="Sets the flags for tracing (-FLAG disables a flag)")
 add_option("--trace-start", metavar="TIME", type='int',
     help="Start tracing at TIME (must be in ticks)")
 add_option("--trace-file", metavar="FILE", default="cout",
@@ -214,10 +214,10 @@ def main():
         print info.README
         print
 
-    if options.trace_help:
+    if options.debug_help:
         done = True
         check_tracing()
-        trace.help()
+        debug.help()
 
     if options.list_sim_objects:
         import SimObject
@@ -284,30 +284,25 @@ def main():
     for when in options.debug_break:
         debug.schedBreakCycle(int(when))
 
-    if options.trace_flags:
+    if options.debug_flags:
         check_tracing()
 
         on_flags = []
         off_flags = []
-        for flag in options.trace_flags:
+        for flag in options.debug_flags:
             off = False
             if flag.startswith('-'):
                 flag = flag[1:]
                 off = True
-            if flag not in trace.flags.all and flag != "All":
-                print >>sys.stderr, "invalid trace flag '%s'" % flag
+
+            if flag not in debug.flags:
+                print >>sys.stderr, "invalid debug flag '%s'" % flag
                 sys.exit(1)
 
             if off:
-                off_flags.append(flag)
+                debug.flags[flag].disable()
             else:
-                on_flags.append(flag)
-
-        for flag in on_flags:
-            trace.set(flag)
-
-        for flag in off_flags:
-            trace.clear(flag)
+                debug.flags[flag].enable()
 
     if options.trace_start:
         check_tracing()
diff --git a/src/python/m5/trace.py b/src/python/m5/trace.py
index db239040a..f34444810 100644
--- a/src/python/m5/trace.py
+++ b/src/python/m5/trace.py
@@ -27,26 +27,12 @@
 # Authors: Nathan Binkert
 
 import internal
-import traceflags as flags
 import util
 
-from internal.trace import clear, output, set, ignore
+from internal.trace import output, ignore
 
 def disable():
     internal.trace.cvar.enabled = False
 
 def enable():
     internal.trace.cvar.enabled = True
-
-def help():
-    print "Base Flags:"
-    for flag in flags.basic:
-        print "    %s: %s" % (flag, flags.descriptions[flag])
-    print
-    print "Compound Flags:"
-    for flag in flags.compound:
-        if flag == 'All':
-            continue
-        print "    %s: %s" % (flag, flags.descriptions[flag])
-        util.printList(flags.compoundMap[flag], indent=8)
-        print