[PATCH v6 13/16] perf tools: mips: Use generic syscall scripts
From: Charlie Jenkins <hidden>
Date: 2025-01-09 02:37:09
Also in:
bpf, linux-doc, linux-perf-users, linux-riscv, linux-security-module, lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
Use the generic scripts to generate headers from the syscall table for mips. Signed-off-by: Charlie Jenkins <redacted> --- tools/perf/Makefile.config | 3 +- tools/perf/Makefile.perf | 2 +- tools/perf/arch/mips/entry/syscalls/Kbuild | 2 ++ .../arch/mips/entry/syscalls/Makefile.syscalls | 5 ++++ tools/perf/arch/mips/entry/syscalls/mksyscalltbl | 32 ---------------------- tools/perf/arch/mips/include/syscall_table.h | 2 ++ tools/perf/util/syscalltbl.c | 4 --- 7 files changed, 11 insertions(+), 39 deletions(-)
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 8b0595da9402c7d69aef1e120e815d320ecf006c..e053a2304f40f6cd06a9fd022ba863b5bf2efa5e 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 $(SRCARCH),powerpc s390 mips)) + ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc s390)) NO_SYSCALL_TABLE := 0 endif
@@ -95,7 +95,6 @@ ifeq ($(ARCH),s390) endif ifeq ($(ARCH),mips) - CFLAGS += -I$(OUTPUT)arch/mips/include/generated ifndef NO_LIBUNWIND LIBUNWIND_LIBS = -lunwind -lunwind-mips endif
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 558f1425a09d536c3b85798840e173067c3da463..84d23f147365d5a57c83fe16a2faedf45f4e2f70 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 loongarch +generic_syscall_table_archs := riscv arc csky arm sh sparc xtensa x86 alpha parisc arm64 loongarch mips ifneq ($(filter $(SRCARCH), $(generic_syscall_table_archs)),) include $(srctree)/tools/perf/scripts/Makefile.syscalls endif
diff --git a/tools/perf/arch/mips/entry/syscalls/Kbuild b/tools/perf/arch/mips/entry/syscalls/Kbuild
new file mode 100644
index 0000000000000000000000000000000000000000..9a41e3572c3afd4f202321fd9e492714540e8fd3
--- /dev/null
+++ b/tools/perf/arch/mips/entry/syscalls/Kbuild@@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +syscall-y += syscalls_64.h
diff --git a/tools/perf/arch/mips/entry/syscalls/Makefile.syscalls b/tools/perf/arch/mips/entry/syscalls/Makefile.syscalls
new file mode 100644
index 0000000000000000000000000000000000000000..9ee914bdfb05860fdd37a49f1ced03fcf2c9ed78
--- /dev/null
+++ b/tools/perf/arch/mips/entry/syscalls/Makefile.syscalls@@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0 + +syscall_abis_64 += n64 + +syscalltbl = $(srctree)/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
diff --git a/tools/perf/arch/mips/entry/syscalls/mksyscalltbl b/tools/perf/arch/mips/entry/syscalls/mksyscalltbl
deleted file mode 100644
index c0d93f959c4e1b8c12edcb5624bbc131231df7e3..0000000000000000000000000000000000000000
--- a/tools/perf/arch/mips/entry/syscalls/mksyscalltbl
+++ /dev/null@@ -1,32 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 -# -# Generate system call table for perf. Derived from -# s390 script. -# -# Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com> -# Changed by: Tiezhu Yang <yangtiezhu@loongson.cn> - -SYSCALL_TBL=$1 - -if ! test -r $SYSCALL_TBL; then - echo "Could not read input file" >&2 - exit 1 -fi - -create_table() -{ - local max_nr nr abi sc discard - - echo 'static const char *const syscalltbl_mips_n64[] = {' - while read nr abi sc discard; do - printf '\t[%d] = "%s",\n' $nr $sc - max_nr=$nr - done - echo '};' - echo "#define SYSCALLTBL_MIPS_N64_MAX_ID $max_nr" -} - -grep -E "^[[:digit:]]+[[:space:]]+(n64)" $SYSCALL_TBL \ - |sort -k1 -n \ - |create_table
diff --git a/tools/perf/arch/mips/include/syscall_table.h b/tools/perf/arch/mips/include/syscall_table.h
new file mode 100644
index 0000000000000000000000000000000000000000..b53e31c15805319a01719c22d489c4037378b02b
--- /dev/null
+++ b/tools/perf/arch/mips/include/syscall_table.h@@ -0,0 +1,2 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include <asm/syscalls_64.h>
diff --git a/tools/perf/util/syscalltbl.c b/tools/perf/util/syscalltbl.c
index 3001386e13a502be5279aa6e4742af0b96202b35..675702d686d0d1b53dd3ee2017cc9695686b9c63 100644
--- a/tools/perf/util/syscalltbl.c
+++ b/tools/perf/util/syscalltbl.c@@ -26,10 +26,6 @@ static const char *const *syscalltbl_native = syscalltbl_powerpc_64; #include <asm/syscalls_32.c> const int syscalltbl_native_max_id = SYSCALLTBL_POWERPC_32_MAX_ID; static const char *const *syscalltbl_native = syscalltbl_powerpc_32; -#elif defined(__mips__) -#include <asm/syscalls_n64.c> -const int syscalltbl_native_max_id = SYSCALLTBL_MIPS_N64_MAX_ID; -static const char *const *syscalltbl_native = syscalltbl_mips_n64; #elif defined(GENERIC_SYSCALL_TABLE) #include <syscall_table.h> const int syscalltbl_native_max_id = SYSCALLTBL_MAX_ID;
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2.34.1