On Sat, Jul 20, 2013 at 04:43:21AM +0100, Jed Davis wrote:
> On Mon, Jul 15, 2013 at 02:53:42PM +0100, Will Deacon wrote:
> > > + "mov %[_pc], r15\n\t" \
> > > + "mrs %[_cpsr], cpsr\n\t" \
> > > +
On Sat, Jul 20, 2013 at 04:43:21AM +0100, Jed Davis wrote:
On Mon, Jul 15, 2013 at 02:53:42PM +0100, Will Deacon wrote:
+ mov %[_pc], r15\n\t \
+ mrs %[_cpsr], cpsr\n\t \
+ :
On Mon, Jul 15, 2013 at 02:53:42PM +0100, Will Deacon wrote:
> On Sat, Jul 13, 2013 at 04:17:14AM +0100, Jed Davis wrote:
[...]
> > +#ifdef CONFIG_THUMB2_KERNEL
> > +#define perf_arch_fetch_caller_regs(regs, ip)
> > \
> > + do {
On Mon, Jul 15, 2013 at 02:53:42PM +0100, Will Deacon wrote:
On Sat, Jul 13, 2013 at 04:17:14AM +0100, Jed Davis wrote:
[...]
+#ifdef CONFIG_THUMB2_KERNEL
+#define perf_arch_fetch_caller_regs(regs, ip)
\
+ do {
Hi Jed,
On Sat, Jul 13, 2013 at 04:17:14AM +0100, Jed Davis wrote:
> We need a perf_arch_fetch_caller_regs for at least some software events
> to be able to get a callchain; even user stacks won't work without
> at least the CPSR bits for non-user-mode (see perf_callchain). In
> particular,
Hi Jed,
On Sat, Jul 13, 2013 at 04:17:14AM +0100, Jed Davis wrote:
We need a perf_arch_fetch_caller_regs for at least some software events
to be able to get a callchain; even user stacks won't work without
at least the CPSR bits for non-user-mode (see perf_callchain). In
particular,
We need a perf_arch_fetch_caller_regs for at least some software events
to be able to get a callchain; even user stacks won't work without
at least the CPSR bits for non-user-mode (see perf_callchain). In
particular, profiling context switches needs this.
This records the state of the point at
We need a perf_arch_fetch_caller_regs for at least some software events
to be able to get a callchain; even user stacks won't work without
at least the CPSR bits for non-user-mode (see perf_callchain). In
particular, profiling context switches needs this.
This records the state of the point at
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