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[3.13] gh-120400 ：Support Linux perf profile to see Python calls on RISC-V architecture (GH-120089) (#120413) 

gh-120400 ：Support Linux perf profile to see Python calls on RISC-V architecture (GH-120089)
(cherry picked from commit 4b1e85bafc)

Co-authored-by: ixgbe00 <yangwang@iscas.ac.cn>
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
This commit is contained in:
Miss Islington (bot) 2024-06-14 17:03:24 +02:00 committed by GitHub
parent d4174fa7ca
commit d73f856840
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1
Misc/NEWS.d/next/Core and Builtins/2024-06-05-06-26-04.gh-issue- Normal file
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@ -0,0 +1 @@
Support Linux perf profiler to see Python calls on RISC-V architecture

1
Misc/NEWS.d/next/Core and Builtins/2024-06-12-12-29-45.gh-issue-120400.lZYHVS.rst Normal file
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@ -0,0 +1 @@
Support Linux perf profiler to see Python calls on RISC-V architecture.

8
Python/asm_trampoline.S
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@ -22,6 +22,14 @@ _Py_trampoline_func_start:
blr x3 blr x3
ldp x29, x30, [sp], 16 ldp x29, x30, [sp], 16
ret ret
#endif
#ifdef __riscv
addi sp,sp,-16
sd ra,8(sp)
jalr a3
ld ra,8(sp)
addi sp,sp,16
jr ra
#endif #endif
.globl _Py_trampoline_func_end .globl _Py_trampoline_func_end
_Py_trampoline_func_end: _Py_trampoline_func_end:

2
configure generated vendored
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@ -13133,6 +13133,8 @@ case $PLATFORM_TRIPLET in #(
perf_trampoline=yes ;; #( perf_trampoline=yes ;; #(
aarch64-linux-gnu) : aarch64-linux-gnu) :
perf_trampoline=yes ;; #( perf_trampoline=yes ;; #(
riscv64-linux-gnu) :
perf_trampoline=yes ;; #(
*) : *) :
perf_trampoline=no perf_trampoline=no
;; ;;

1
configure.ac
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@ -3641,6 +3641,7 @@ AC_MSG_CHECKING([perf trampoline])
AS_CASE([$PLATFORM_TRIPLET], AS_CASE([$PLATFORM_TRIPLET],
[x86_64-linux-gnu], [perf_trampoline=yes], [x86_64-linux-gnu], [perf_trampoline=yes],
[aarch64-linux-gnu], [perf_trampoline=yes], [aarch64-linux-gnu], [perf_trampoline=yes],
[riscv64-linux-gnu], [perf_trampoline=yes],
[perf_trampoline=no] [perf_trampoline=no]
) )
AC_MSG_RESULT([$perf_trampoline]) AC_MSG_RESULT([$perf_trampoline])