diff options
Diffstat (limited to 'scripts/tracetool/backend/dtrace.py')
-rw-r--r-- | scripts/tracetool/backend/dtrace.py | 79 |
1 files changed, 8 insertions, 71 deletions
diff --git a/scripts/tracetool/backend/dtrace.py b/scripts/tracetool/backend/dtrace.py index 3c369c4780..fabfe99881 100644 --- a/scripts/tracetool/backend/dtrace.py +++ b/scripts/tracetool/backend/dtrace.py @@ -21,7 +21,7 @@ PUBLIC = True PROBEPREFIX = None -def _probeprefix(): +def probeprefix(): if PROBEPREFIX is None: raise ValueError("you must set PROBEPREFIX") return PROBEPREFIX @@ -29,81 +29,18 @@ def _probeprefix(): BINARY = None -def _binary(): +def binary(): if BINARY is None: raise ValueError("you must set BINARY") return BINARY -def c(events): - pass - - -def h(events): +def generate_h_begin(events): out('#include "trace/generated-tracers-dtrace.h"', '') - for e in events: - out('static inline void %(api)s(%(args)s) {', - ' QEMU_%(uppername)s(%(argnames)s);', - '}', - api = e.api(), - args = e.args, - uppername = e.name.upper(), - argnames = ", ".join(e.args.names()), - ) - - -def d(events): - out('provider qemu {') - - for e in events: - args = str(e.args) - - # DTrace provider syntax expects foo() for empty - # params, not foo(void) - if args == 'void': - args = '' - - # Define prototype for probe arguments - out('', - 'probe %(name)s(%(args)s);', - name = e.name, - args = args, - ) - - out('', - '};') - - -# Technically 'self' is not used by systemtap yet, but -# they recommended we keep it in the reserved list anyway -RESERVED_WORDS = ( - 'break', 'catch', 'continue', 'delete', 'else', 'for', - 'foreach', 'function', 'global', 'if', 'in', 'limit', - 'long', 'next', 'probe', 'return', 'self', 'string', - 'try', 'while' - ) - -def stap(events): - for e in events: - # Define prototype for probe arguments - out('probe %(probeprefix)s.%(name)s = process("%(binary)s").mark("%(name)s")', - '{', - probeprefix = _probeprefix(), - name = e.name, - binary = _binary(), - ) - - i = 1 - if len(e.args) > 0: - for name in e.args.names(): - # Append underscore to reserved keywords - if name in RESERVED_WORDS: - name += '_' - out(' %s = $arg%d;' % (name, i)) - i += 1 - - out('}') - - out() + +def generate_h(event): + out(' QEMU_%(uppername)s(%(argnames)s);', + uppername=event.name.upper(), + argnames=", ".join(event.args.names())) |