c5e63197db
This brings a new API to help the selective dump of registers on event sampling, and its implementation for x86 arch. Added HAVE_PERF_REGS config option to determine if the architecture provides perf registers ABI. The information about desired registers will be passed in u64 mask. It's up to the architecture to map the registers into the mask bits. For the x86 arch implementation, both 32 and 64 bit registers bits are defined within single enum to ensure 64 bit system can provide register dump for compat task if needed in the future. Original-patch-by: Frederic Weisbecker <fweisbec@gmail.com> [ Added missing linux/errno.h include ] Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: "Frank Ch. Eigler" <fche@redhat.com> Cc: Arun Sharma <asharma@fb.com> Cc: Benjamin Redelings <benjamin.redelings@nescent.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Frank Ch. Eigler <fche@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Robert Richter <robert.richter@amd.com> Cc: Stephane Eranian <eranian@google.com> Cc: Tom Zanussi <tzanussi@gmail.com> Cc: Ulrich Drepper <drepper@gmail.com> Link: http://lkml.kernel.org/r/1344345647-11536-2-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
34 lines
654 B
C
34 lines
654 B
C
#ifndef _ASM_X86_PERF_REGS_H
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#define _ASM_X86_PERF_REGS_H
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enum perf_event_x86_regs {
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PERF_REG_X86_AX,
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PERF_REG_X86_BX,
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PERF_REG_X86_CX,
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PERF_REG_X86_DX,
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PERF_REG_X86_SI,
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PERF_REG_X86_DI,
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PERF_REG_X86_BP,
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PERF_REG_X86_SP,
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PERF_REG_X86_IP,
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PERF_REG_X86_FLAGS,
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PERF_REG_X86_CS,
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PERF_REG_X86_SS,
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PERF_REG_X86_DS,
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PERF_REG_X86_ES,
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PERF_REG_X86_FS,
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PERF_REG_X86_GS,
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PERF_REG_X86_R8,
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PERF_REG_X86_R9,
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PERF_REG_X86_R10,
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PERF_REG_X86_R11,
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PERF_REG_X86_R12,
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PERF_REG_X86_R13,
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PERF_REG_X86_R14,
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PERF_REG_X86_R15,
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PERF_REG_X86_32_MAX = PERF_REG_X86_GS + 1,
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PERF_REG_X86_64_MAX = PERF_REG_X86_R15 + 1,
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};
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#endif /* _ASM_X86_PERF_REGS_H */
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