With perf regs support enabled for powerpc, the support for obtaining
perf user stack dump is already enabled.
This patch declares the support for same and also updates documentation
to mark the support for perf-regs and perf-stackdump.
Signed-off-by: Chandan Kumar
---
Documentation/features
Adds support for unwinding user stack dump by linking with libunwind.
Signed-off-by: Chandan Kumar
---
tools/perf/arch/powerpc/util/Build | 1 +
tools/perf/arch/powerpc/util/unwind-libunwind.c | 96 +
tools/perf/config/Makefile | 1
From: "Naveen N. Rao"
On some architectures (powerpc in particular), the number of registers
exceeds what can be represented in an integer bitmask. Ensure we
generate the proper bitmask on such platforms.
Fixes: 71ad0f5e4 ("perf tools: Support for DWARF CFI unwinding on post
processing")
Signed
2dcabc .search_binary_handler (/boot/vmlinux)
2dd6f0 .do_execveat_common.isra.28 (/boot/vmlinux)
2ddcd8 .sys_execve (/boot/vmlinux)
19258 system_call (/boot/vmlinux)
...
..
----- 8< -
Chandan Kumar (2):
powerpc: Add HAVE_PERF_USER_STACK_DUMP s
