Hi Matthew,
On Sat, Jan 12, 2019 at 04:21:13AM -0800, Matthew Wilcox wrote:
> On Sat, Jan 12, 2019 at 02:57:01PM +0800, Changbin Du wrote:
> > This patch adds a new trace option 'funcgraph-retval' and is disabled by
> > default. When this option is enabled, fgraph tracer will show the return
> >
On Sat, Jan 12, 2019 at 02:57:01PM +0800, Changbin Du wrote:
> This patch adds a new trace option 'funcgraph-retval' and is disabled by
> default. When this option is enabled, fgraph tracer will show the return
> value of each function. This is useful to find/analyze a original error
> source in a
