Benjamin Herrenschmidt b...@kernel.crashing.org wrote on 2011/11/25 06:24:32:
On Fri, 2011-11-18 at 09:22 +0100, Joakim Tjernlund wrote:
I forgot to ask, oprofile mentions setting -no-omit-framepointer to get
correct backtrace but I cannot turn on frame pointers for the ppc kernel.
Isn't
On Mon, 2011-12-05 at 09:50 +0100, Joakim Tjernlund wrote:
Benjamin Herrenschmidt b...@kernel.crashing.org wrote on 2011/11/25
06:24:32:
On Fri, 2011-11-18 at 09:22 +0100, Joakim Tjernlund wrote:
I forgot to ask, oprofile mentions setting -no-omit-framepointer to get
correct
On 11/25/2011 01:24 PM, Benjamin Herrenschmidt wrote:
On Fri, 2011-11-18 at 09:22 +0100, Joakim Tjernlund wrote:
I forgot to ask, oprofile mentions setting -no-omit-framepointer to get
correct backtrace but I cannot turn on frame pointers for the ppc kernel.
Isn't frame pointers needed for
On Fri, 2011-11-18 at 09:22 +0100, Joakim Tjernlund wrote:
I forgot to ask, oprofile mentions setting -no-omit-framepointer to get
correct backtrace but I cannot turn on frame pointers for the ppc kernel.
Isn't frame pointers needed for pcc? what about user space?
PowerPC always has frame
Robert Richter robert.rich...@amd.com wrote on 2011/11/18 00:20:27:
On 17.11.11 22:27:46, Joakim Tjernlund wrote:
For my e300c2 cpu both if's are false and I don't get support for
callgraph/backtrace
support. Moving the ops-backtrace = op_powerpc_backtrace; to the top
enables
Robert Richter robert.rich...@amd.com wrote on 2011/11/18 00:20:27:
On 17.11.11 22:27:46, Joakim Tjernlund wrote:
For my e300c2 cpu both if's are false and I don't get support for
callgraph/backtrace
support. Moving the ops-backtrace = op_powerpc_backtrace; to the top
enables
On Nov 17, 2011, at 11:30 AM, Maynard Johnson wrote:
Notice the first
if (!cur_cpu_spec-oprofile_cpu_type)
return -ENODEV;
if (firmware_has_feature(FW_FEATURE_ISERIES))
return -ENODEV;
For my e300c2
On 11/17/2011 2:38 AM, Joakim Tjernlund wrote:
arch/powerpc/oprofile/common.c has this init code:
int __init oprofile_arch_init(struct oprofile_operations *ops)
{
if (!cur_cpu_spec-oprofile_cpu_type)
return -ENODEV;
if
Andy Fleming aflem...@freescale.com wrote on 2011/11/17 18:51:52:
On Nov 17, 2011, at 11:30 AM, Maynard Johnson wrote:
Notice the first
if (!cur_cpu_spec-oprofile_cpu_type)
return -ENODEV;
if (firmware_has_feature(FW_FEATURE_ISERIES))
On 17.11.11 22:27:46, Joakim Tjernlund wrote:
For my e300c2 cpu both if's are false and I don't get support for
callgraph/backtrace
support. Moving the ops-backtrace = op_powerpc_backtrace; to the top
enables backtrace for me.
It sure seems to work :)
Backtrace support also works
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