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powerpc: Add HAVE_PERF_USER_STACK_DUMP support

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With perf regs support enabled for powerpc, in commit ed4a4ef85c
("powerpc/perf: Add support for sampling interrupt register state"),
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 <chandan.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Chandan Kumar 2016-04-28 15:01:08 +05:30 committed by Michael Ellerman
parent aac55d7573
commit 17ed7c3842
3 changed files with 3 additions and 2 deletions
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2
Documentation/features/perf/perf-regs/arch-support.txt
View File

@ -27,7 +27,7 @@
| nios2: | TODO | | nios2: | TODO |
| openrisc: | TODO | | openrisc: | TODO |
| parisc: | TODO | | parisc: | TODO |
| powerpc: | TODO | | powerpc: | ok |
| s390: | TODO | | s390: | TODO |
| score: | TODO | | score: | TODO |
| sh: | TODO | | sh: | TODO |

2
Documentation/features/perf/perf-stackdump/arch-support.txt
View File

@ -27,7 +27,7 @@
| nios2: | TODO | | nios2: | TODO |
| openrisc: | TODO | | openrisc: | TODO |
| parisc: | TODO | | parisc: | TODO |
| powerpc: | TODO | | powerpc: | ok |
| s390: | TODO | | s390: | TODO |
| score: | TODO | | score: | TODO |
| sh: | TODO | | sh: | TODO |

1
arch/powerpc/Kconfig
View File

@ -117,6 +117,7 @@ config PPC
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select HAVE_PERF_EVENTS select HAVE_PERF_EVENTS
select HAVE_PERF_REGS select HAVE_PERF_REGS
select HAVE_PERF_USER_STACK_DUMP
select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_HW_BREAKPOINT if PERF_EVENTS && PPC_BOOK3S_64 select HAVE_HW_BREAKPOINT if PERF_EVENTS && PPC_BOOK3S_64
select ARCH_WANT_IPC_PARSE_VERSION select ARCH_WANT_IPC_PARSE_VERSION