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Wed, 18 Dec 2024 01:24:56 -0800 (PST) From: Charlie Jenkins Date: Wed, 18 Dec 2024 01:24:10 -0800 Subject: [PATCH v4 12/16] perf tools: loongarch: Use syscall table MIME-Version: 1.0 Message-Id: <20241218-perf_syscalltbl-v4-12-bc8caef2ca8e@rivosinc.com> References: <20241218-perf_syscalltbl-v4-0-bc8caef2ca8e@rivosinc.com> In-Reply-To: <20241218-perf_syscalltbl-v4-0-bc8caef2ca8e@rivosinc.com> To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Paul Walmsley , Palmer Dabbelt , =?utf-8?q?Micka=C3=ABl_Sala=C3=BCn?= , =?utf-8?q?G=C3=BCnt?= =?utf-8?q?her_Noack?= , Christian Brauner , Guo Ren , John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan , Jonathan Corbet , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Arnd Bergmann , Albert Ou Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-riscv@lists.infradead.org, linux-security-module@vger.kernel.org, bpf@vger.kernel.org, linux-csky@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, Charlie Jenkins X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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Signed-off-by: Charlie Jenkins --- tools/perf/Makefile.config | 3 +- tools/perf/Makefile.perf | 2 +- tools/perf/arch/loongarch/Makefile | 22 ----------- tools/perf/arch/loongarch/entry/syscalls/Kbuild | 2 + .../loongarch/entry/syscalls/Makefile.syscalls | 3 ++ .../arch/loongarch/entry/syscalls/mksyscalltbl | 45 ---------------------- tools/perf/arch/loongarch/include/syscall_table.h | 2 + tools/perf/util/syscalltbl.c | 4 -- 8 files changed, 9 insertions(+), 74 deletions(-) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 83ed03f16209b2edff3e81d4e8a79fa058c35a48..dd1a5409e65ef38eb4132cd74c2e18dd2c8af920 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 bedf58d2a10f1faccb3579c023d5722cfeaae4cf..c85262db770d18828fc3d9dc65eca00733645d41 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 52544d59245bab5a0fb2baa1e962b2ad4bf25332..087e099fb453a9236db34878077a51f711881ce0 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 0000000000000000000000000000000000000000..9a41e3572c3afd4f202321fd9e492714540e8fd3 --- /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 0000000000000000000000000000000000000000..47d32da2aed8d67a7ac026271600e84723031a6b --- /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 c10ad3580aef25e48ff0682eca4217cbafdfa333..0000000000000000000000000000000000000000 --- 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 0000000000000000000000000000000000000000..9d0646d3455cdaf1a3db8c8565af8eba9a8df8c6 --- /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 b7c0a4b9245a94b3b245fea59af79081b1f91081..3001386e13a502be5279aa6e4742af0b96202b35 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;