On Wed, May 29, 2019 at 10:35:41AM -0300, Arnaldo Carvalho de Melo wrote: > From: Arnaldo Carvalho de Melo <[email protected]> > > In addition to the older flags. This will allow something like this to > be implemented in 'perf trace" > > perf trace -e clone/PIDFD in flags/ > > I.e. ask for strace like tracing, system wide, looking for 'clone' > syscalls that have the CLONE_PIDFD bit set in the 'flags' arg. > > For now we'll just see PIDFD if it is set in the 'flags' arg. > > Cc: Christian Brauner <[email protected]> > Cc: Adrian Hunter <[email protected]> > Cc: Brendan Gregg <[email protected]> > Cc: Jiri Olsa <[email protected]> > Cc: Luis Cláudio Gonçalves <[email protected]> > Cc: Namhyung Kim <[email protected]> > Link: https://lkml.kernel.org/n/[email protected] > Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Acked-by: Christian Brauner <[email protected]> > --- > tools/perf/trace/beauty/clone.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/tools/perf/trace/beauty/clone.c b/tools/perf/trace/beauty/clone.c > index 6eb9a6636171..1a8d3be2030e 100644 > --- a/tools/perf/trace/beauty/clone.c > +++ b/tools/perf/trace/beauty/clone.c > @@ -25,6 +25,7 @@ static size_t clone__scnprintf_flags(unsigned long flags, > char *bf, size_t size, > P_FLAG(FS); > P_FLAG(FILES); > P_FLAG(SIGHAND); > + P_FLAG(PIDFD); > P_FLAG(PTRACE); > P_FLAG(VFORK); > P_FLAG(PARENT); > -- > 2.20.1 >
