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authorMao Han <han_mao@c-sky.com>2019-02-21 21:41:26 +0800
committerGuo Ren <ren_guo@c-sky.com>2019-04-22 13:44:57 +0800
commitcfa4d93b977a1b1129e7207d11b5daecdf0c56c4 (patch)
tree819c1af5ddde73eb5683c992565f3ed79ae1be64 /arch/csky/abiv1
parent28bb030f93334495ddc64ade0bff18721bf7023d (diff)
downloadlinux-sh-cfa4d93b977a1b1129e7207d11b5daecdf0c56c4.tar.gz
csky: Add perf callchain support
This patch add support for perf callchain sampling on csky platform. As fp is used to unwind the stack, the program being sampled and the C library need to be compiled with -mbacktrace for user callchains, kernel callchains require CONFIG_STACKTRACE = y. Changelog: - Coding convention with Christoph's advice for riscv's. Signed-off-by: Mao Han <han_mao@c-sky.com> Signed-off-by: Guo Ren <ren_guo@c-sky.com> Cc: Christoph Hellwig <hch@infradead.org>
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