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| author | Mischa Jonker <mischa.jonker@synopsys.com> | 2014-01-28 14:10:58 +0100 |
|---|---|---|
| committer | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2014-07-21 22:53:29 +0200 |
| commit | fc093d61ce24c0adb0dda3940940664c182626e9 (patch) | |
| tree | c495b07b5698d91dc3905028f6b5fd7201596d41 | |
| parent | 3d08f3f03f0352f354b8b61443c79addaf9f827a (diff) | |
perf: Don't build backtrace for ARC
[Thomas: add more details as a comment in the code, provided by Anton
Kolesov.
Signed-off-by: Mischa Jonker <mjonker@synopsys.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
| -rw-r--r-- | package/perf/perf.mk | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/package/perf/perf.mk b/package/perf/perf.mk index ffeec0282..1fcc25863 100644 --- a/package/perf/perf.mk +++ b/package/perf/perf.mk @@ -22,6 +22,16 @@ PERF_MAKE_FLAGS = \ WERROR=0 \ ASCIIDOC= +# The call to backtrace() function fails for ARC, because for some +# reason the unwinder from libgcc returns early. Thus the usage of +# backtrace() should be disabled in perf explicitly: at build time +# backtrace() appears to be available, but it fails at runtime: the +# backtrace will contain only several functions from the top of stack, +# instead of the complete backtrace. +ifeq ($(BR2_arc),y) + PERF_MAKE_FLAGS += NO_BACKTRACE=1 +endif + ifeq ($(BR2_PACKAGE_ELFUTILS),y) PERF_DEPENDENCIES += elfutils else |