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s390/perf: add perf_regs support and user stack dump

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Add s390 support to dump user stack to user space for DWARF
stack unwinding.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Reviewed-and-tested-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens
2015-06-06 12:44:25 +02:00
committed by Martin Schwidefsky
parent 9232c3c741
commit c33eff6005
4 changed files with 79 additions and 1 deletions
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27
arch/s390/include/uapi/asm/perf_regs.h Normal file
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#ifndef _ASM_S390_PERF_REGS_H
#define _ASM_S390_PERF_REGS_H
enum perf_event_s390_regs {
PERF_REG_S390_R0,
PERF_REG_S390_R1,
PERF_REG_S390_R2,
PERF_REG_S390_R3,
PERF_REG_S390_R4,
PERF_REG_S390_R5,
PERF_REG_S390_R6,
PERF_REG_S390_R7,
PERF_REG_S390_R8,
PERF_REG_S390_R9,
PERF_REG_S390_R10,
PERF_REG_S390_R11,
PERF_REG_S390_R12,
PERF_REG_S390_R13,
PERF_REG_S390_R14,
PERF_REG_S390_R15,
PERF_REG_S390_MASK,
PERF_REG_S390_PC,
PERF_REG_S390_MAX
};
#endif /* _ASM_S390_PERF_REGS_H */