| Message ID | 20200716081754.22422-2-r.bolshakov@yadro.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add dtrace support on macOS | expand |
On Thu, Jul 16, 2020 at 11:17:51AM +0300, Roman Bolshakov wrote: > dtrace USDT is fully supported since OS X 10.6. There are a few > peculiarities compared to other dtrace flavors. > > 1. It doesn't accept empty files. > 2. It doesn't recognize bool type but accepts ANSI C _Bool. > > Cc: Cameron Esfahani <dirty@apple.com> > Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com> > --- > scripts/tracetool/format/d.py | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Regards, Daniel
diff --git a/scripts/tracetool/format/d.py b/scripts/tracetool/format/d.py index 0afb5f3f47..be4a2aa254 100644 --- a/scripts/tracetool/format/d.py +++ b/scripts/tracetool/format/d.py @@ -13,6 +13,7 @@ __email__ = "stefanha@redhat.com" from tracetool import out +from sys import platform # Reserved keywords from @@ -34,7 +35,8 @@ def generate(events, backend, group): # SystemTap's dtrace(1) warns about empty "provider qemu {}" but is happy # with an empty file. Avoid the warning. - if not events: + # But dtrace on macOS can't deal with empty files. + if not events and platform != "darwin": return out('/* This file is autogenerated by tracetool, do not edit. */' @@ -44,6 +46,11 @@ def generate(events, backend, group): for e in events: args = [] for type_, name in e.args: + if platform == "darwin": + if type_ == 'bool': + type_ = '_Bool' + if type_ == 'bool *': + type_ = '_Bool *' if name in RESERVED_WORDS: name += '_' args.append(type_ + ' ' + name)
dtrace USDT is fully supported since OS X 10.6. There are a few peculiarities compared to other dtrace flavors. 1. It doesn't accept empty files. 2. It doesn't recognize bool type but accepts ANSI C _Bool. Cc: Cameron Esfahani <dirty@apple.com> Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com> --- scripts/tracetool/format/d.py | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)