On Fri, 19 Apr 2019 00:44:17 +0200 (CEST)
Thomas Gleixner wrote:
> On Thu, 18 Apr 2019, Steven Rostedt wrote:
> > On Thu, 18 Apr 2019 10:41:20 +0200
> > Thomas Gleixner wrote:
> >
> > > @@ -412,23 +404,20 @@ stack_trace_sysctl(struct ctl_table *tab
> > > void __user *buffer, size
On Thu, 18 Apr 2019, Steven Rostedt wrote:
> On Thu, 18 Apr 2019 10:41:20 +0200
> Thomas Gleixner wrote:
>
> > @@ -412,23 +404,20 @@ stack_trace_sysctl(struct ctl_table *tab
> >void __user *buffer, size_t *lenp,
> >loff_t *ppos)
> > {
> > - int ret;
> > + int
On Thu, 18 Apr 2019 10:41:20 +0200
Thomas Gleixner wrote:
> @@ -412,23 +404,20 @@ stack_trace_sysctl(struct ctl_table *tab
> void __user *buffer, size_t *lenp,
> loff_t *ppos)
> {
> - int ret;
> + int ret, was_enabled;
One small nit. Could this be:
On Thu, 18 Apr 2019 17:24:43 -0400
Steven Rostedt wrote:
> I believe it was for historical leftovers (there was a time it was
> required), and left there for "paranoid" sake. But let me apply the
> patch and see if it is really needed.
I removed the +1 on the max_entries and set SET_TRACE_ENTRIE
On Thu, 18 Apr 2019 23:14:45 +0200 (CEST)
Thomas Gleixner wrote:
> On Thu, 18 Apr 2019, Josh Poimboeuf wrote:
>
> > On Thu, Apr 18, 2019 at 10:41:20AM +0200, Thomas Gleixner wrote:
> > > - Remove the extra array member of stack_dump_trace[]. It's not required
> > > as
> > > the stack tracer
On Thu, 18 Apr 2019, Josh Poimboeuf wrote:
> On Thu, Apr 18, 2019 at 10:41:20AM +0200, Thomas Gleixner wrote:
> > - Remove the extra array member of stack_dump_trace[]. It's not required as
> > the stack tracer stores at max array size - 1 entries so there is still
> > an empty slot.
>
> What
On Thu, Apr 18, 2019 at 10:41:20AM +0200, Thomas Gleixner wrote:
> - Remove the extra array member of stack_dump_trace[]. It's not required as
> the stack tracer stores at max array size - 1 entries so there is still
> an empty slot.
What is the empty slot used for?
--
Josh
_
- Remove the extra array member of stack_dump_trace[]. It's not required as
the stack tracer stores at max array size - 1 entries so there is still
an empty slot.
- Make variables which are only used in trace_stack.c static.
- Simplify the enable/disable logic.
- Rename stack_trace_print() a
