From: Charlie Jenkins Date: Thu, 9 Jan 2025 02:36:27 +0000 (-0800) Subject: perf tools loongarch: Use syscall table X-Git-Tag: v6.14-rc1~120^2~45 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=fa70857a27e5aafaeada26e7c709b2cbfbeede81;p=thirdparty%2Flinux.git perf tools loongarch: Use syscall table loongarch uses a syscall table, use that in perf instead of using unistd.h. Signed-off-by: Charlie Jenkins Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Arnd Bergmann Cc: Christian Brauner Cc: Guo Ren Cc: Günther Noack Cc: Ian Rogers Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: John Garry Cc: Jonathan Corbet Cc: Leo Yan Cc: Mark Rutland Cc: Mickaël Salaün Cc: Mike Leach Cc: Namhyung Kim Cc: Palmer Dabbelt Cc: Paul Walmsley Cc: Peter Zijlstra Cc: Will Deacon Link: https://lore.kernel.org/r/20250108-perf_syscalltbl-v6-12-7543b5293098@rivosinc.com Signed-off-by: Arnaldo Carvalho de Melo --- diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 7cfec8c46a4fb..8b0595da9402c 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -31,7 +31,7 @@ $(call detected_var,SRCARCH) ifneq ($(NO_SYSCALL_TABLE),1) NO_SYSCALL_TABLE := 1 - ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc s390 mips loongarch)) + ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc s390 mips)) NO_SYSCALL_TABLE := 0 endif @@ -85,7 +85,6 @@ ifeq ($(SRCARCH),arm64) endif ifeq ($(SRCARCH),loongarch) - CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated ifndef NO_LIBUNWIND LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 endif diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 84bda059b417a..558f1425a09d5 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -311,7 +311,7 @@ FEATURE_TESTS := all endif endif # architectures that use the generic syscall table -generic_syscall_table_archs := riscv arc csky arm sh sparc xtensa x86 alpha parisc arm64 +generic_syscall_table_archs := riscv arc csky arm sh sparc xtensa x86 alpha parisc arm64 loongarch ifneq ($(filter $(SRCARCH), $(generic_syscall_table_archs)),) include $(srctree)/tools/perf/scripts/Makefile.syscalls endif diff --git a/tools/perf/arch/loongarch/Makefile b/tools/perf/arch/loongarch/Makefile index 52544d59245ba..087e099fb453a 100644 --- a/tools/perf/arch/loongarch/Makefile +++ b/tools/perf/arch/loongarch/Makefile @@ -1,25 +1,3 @@ # SPDX-License-Identifier: GPL-2.0 PERF_HAVE_JITDUMP := 1 HAVE_KVM_STAT_SUPPORT := 1 - -# -# Syscall table generation for perf -# - -out := $(OUTPUT)arch/loongarch/include/generated/asm -header := $(out)/syscalls.c -incpath := $(srctree)/tools -sysdef := $(srctree)/tools/arch/loongarch/include/uapi/asm/unistd.h -sysprf := $(srctree)/tools/perf/arch/loongarch/entry/syscalls/ -systbl := $(sysprf)/mksyscalltbl - -# Create output directory if not already present -$(shell [ -d '$(out)' ] || mkdir -p '$(out)') - -$(header): $(sysdef) $(systbl) - $(Q)$(SHELL) '$(systbl)' '$(CC)' '$(HOSTCC)' $(incpath) $(sysdef) > $@ - -clean:: - $(call QUIET_CLEAN, loongarch) $(RM) $(header) - -archheaders: $(header) diff --git a/tools/perf/arch/loongarch/entry/syscalls/Kbuild b/tools/perf/arch/loongarch/entry/syscalls/Kbuild new file mode 100644 index 0000000000000..9a41e3572c3af --- /dev/null +++ b/tools/perf/arch/loongarch/entry/syscalls/Kbuild @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +syscall-y += syscalls_64.h diff --git a/tools/perf/arch/loongarch/entry/syscalls/Makefile.syscalls b/tools/perf/arch/loongarch/entry/syscalls/Makefile.syscalls new file mode 100644 index 0000000000000..47d32da2aed8d --- /dev/null +++ b/tools/perf/arch/loongarch/entry/syscalls/Makefile.syscalls @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0 + +syscall_abis_64 += diff --git a/tools/perf/arch/loongarch/entry/syscalls/mksyscalltbl b/tools/perf/arch/loongarch/entry/syscalls/mksyscalltbl deleted file mode 100755 index c10ad3580aef2..0000000000000 --- a/tools/perf/arch/loongarch/entry/syscalls/mksyscalltbl +++ /dev/null @@ -1,45 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 -# -# Generate system call table for perf. Derived from -# powerpc script. -# -# Author(s): Ming Wang -# Author(s): Huacai Chen -# Copyright (C) 2020-2023 Loongson Technology Corporation Limited - -gcc=$1 -hostcc=$2 -incpath=$3 -input=$4 - -if ! test -r $input; then - echo "Could not read input file" >&2 - exit 1 -fi - -create_sc_table() -{ - local sc nr max_nr - - while read sc nr; do - printf "%s\n" " [$nr] = \"$sc\"," - max_nr=$nr - done - - echo "#define SYSCALLTBL_LOONGARCH_MAX_ID $max_nr" -} - -create_table() -{ - echo "#include \"$input\"" - echo "static const char *const syscalltbl_loongarch[] = {" - create_sc_table - echo "};" -} - -$gcc -E -dM -x c -I $incpath/include/uapi $input \ - |awk '$2 ~ "__NR" && $3 !~ "__NR3264_" { - sub("^#define __NR(3264)?_", ""); - print | "sort -k2 -n"}' \ - |create_table diff --git a/tools/perf/arch/loongarch/include/syscall_table.h b/tools/perf/arch/loongarch/include/syscall_table.h new file mode 100644 index 0000000000000..9d0646d3455cd --- /dev/null +++ b/tools/perf/arch/loongarch/include/syscall_table.h @@ -0,0 +1,2 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include diff --git a/tools/perf/util/syscalltbl.c b/tools/perf/util/syscalltbl.c index b7c0a4b9245a9..3001386e13a50 100644 --- a/tools/perf/util/syscalltbl.c +++ b/tools/perf/util/syscalltbl.c @@ -30,10 +30,6 @@ static const char *const *syscalltbl_native = syscalltbl_powerpc_32; #include const int syscalltbl_native_max_id = SYSCALLTBL_MIPS_N64_MAX_ID; static const char *const *syscalltbl_native = syscalltbl_mips_n64; -#elif defined(__loongarch__) -#include -const int syscalltbl_native_max_id = SYSCALLTBL_LOONGARCH_MAX_ID; -static const char *const *syscalltbl_native = syscalltbl_loongarch; #elif defined(GENERIC_SYSCALL_TABLE) #include const int syscalltbl_native_max_id = SYSCALLTBL_MAX_ID;