perf not capturing stack traces

Felipe Balbi balbi at ti.com
Fri Jan 23 11:53:40 PST 2015


Hi,

On Fri, Jan 23, 2015 at 01:51:28PM -0600, Felipe Balbi wrote:
> Hi,
> 
> I'm using v3.19-rc5 on an ARM Cortex A9 board. Unfortunately, perf is
> not able to capture any stack traces even though I CONFIG_STACKTRACE,
> CONFIG_FRAME_POINTER and CONFIG_ARM_UNWIND all enabled.
> 
> I wonder if anybody else is facing similar issues.
> 
> Here's console grab:

perf features:

Auto-detecting system features:
...                         dwarf: [ on  ]
...                         glibc: [ on  ]
...                          gtk2: [ OFF ]
...                      libaudit: [ on  ]
...                        libbfd: [ on  ]
...                        libelf: [ on  ]
...                       libnuma: [ OFF ]
...                       libperl: [ on  ]
...                     libpython: [ on  ]
...                      libslang: [ on  ]
...                     libunwind: [ on  ]
...            libdw-dwarf-unwind: [ on  ]
...                          zlib: [ on  ]
...     DWARF post unwind library: libunwind

-- 
balbi
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