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perf tests x86: Introduce perf_regs_load function

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Introducing perf_regs_load function, which is going to be used for dwarf
unwind test in following patches.

It takes single argument as a pointer to the regs dump buffer and
populates it with current registers values.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Jean Pihet <jean.pihet@linaro.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1389098853-14466-5-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2014-01-07 13:47:21 +01:00
committed by Arnaldo Carvalho de Melo
parent b58f608e31
commit 3c8b06f981
3 changed files with 95 additions and 0 deletions
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2
tools/perf/arch/x86/include/perf_regs.h
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@@ -5,6 +5,8 @@
#include "../../util/types.h"
#include <asm/perf_regs.h>
void perf_regs_load(u64 *regs);
#ifndef HAVE_ARCH_X86_64_SUPPORT
#define PERF_REGS_MASK ((1ULL << PERF_REG_X86_32_MAX) - 1)
#else