diff options
Diffstat (limited to 'tools/perf/trace')
24 files changed, 343 insertions, 31 deletions
diff --git a/tools/perf/trace/beauty/Build b/tools/perf/trace/beauty/Build index 175d633c6b49..66330d4b739b 100644 --- a/tools/perf/trace/beauty/Build +++ b/tools/perf/trace/beauty/Build @@ -1,7 +1,10 @@ libperf-y += clone.o libperf-y += fcntl.o +libperf-y += flock.o ifeq ($(SRCARCH),$(filter $(SRCARCH),x86)) libperf-y += ioctl.o endif +libperf-y += kcmp.o libperf-y += pkey_alloc.o +libperf-y += prctl.o libperf-y += statx.o diff --git a/tools/perf/trace/beauty/arch_errno_names.c b/tools/perf/trace/beauty/arch_errno_names.c new file mode 100644 index 000000000000..ede031c3a9e0 --- /dev/null +++ b/tools/perf/trace/beauty/arch_errno_names.c @@ -0,0 +1 @@ +#include "trace/beauty/generated/arch_errno_name_array.c" diff --git a/tools/perf/trace/beauty/arch_errno_names.sh b/tools/perf/trace/beauty/arch_errno_names.sh new file mode 100755 index 000000000000..22c9fc900c84 --- /dev/null +++ b/tools/perf/trace/beauty/arch_errno_names.sh @@ -0,0 +1,100 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# +# Generate C file mapping errno codes to errno names. +# +# Copyright IBM Corp. 2018 +# Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com> + +gcc="$1" +toolsdir="$2" +include_path="-I$toolsdir/include/uapi" + +arch_string() +{ + echo "$1" |sed -e 'y/- /__/' |tr '[[:upper:]]' '[[:lower:]]' +} + +asm_errno_file() +{ + local arch="$1" + local header + + header="$toolsdir/arch/$arch/include/uapi/asm/errno.h" + if test -r "$header"; then + echo "$header" + else + echo "$toolsdir/include/uapi/asm-generic/errno.h" + fi +} + +create_errno_lookup_func() +{ + local arch=$(arch_string "$1") + local nr name + + cat <<EoFuncBegin +static const char *errno_to_name__$arch(int err) +{ + switch (err) { +EoFuncBegin + + while read name nr; do + printf '\tcase %d: return "%s";\n' $nr $name + done + + cat <<EoFuncEnd + default: + return "(unknown)"; + } +} + +EoFuncEnd +} + +process_arch() +{ + local arch="$1" + local asm_errno=$(asm_errno_file "$arch") + + $gcc $include_path -E -dM -x c $asm_errno \ + |grep -hE '^#define[[:blank:]]+(E[^[:blank:]]+)[[:blank:]]+([[:digit:]]+).*' \ + |awk '{ print $2","$3; }' \ + |sort -t, -k2 -nu \ + |IFS=, create_errno_lookup_func "$arch" +} + +create_arch_errno_table_func() +{ + local archlist="$1" + local default="$2" + local arch + + printf 'const char *arch_syscalls__strerrno(const char *arch, int err)\n' + printf '{\n' + for arch in $archlist; do + printf '\tif (!strcmp(arch, "%s"))\n' $(arch_string "$arch") + printf '\t\treturn errno_to_name__%s(err);\n' $(arch_string "$arch") + done + printf '\treturn errno_to_name__%s(err);\n' $(arch_string "$default") + printf '}\n' +} + +cat <<EoHEADER +/* SPDX-License-Identifier: GPL-2.0 */ + +#include <string.h> + +EoHEADER + +# Create list of architectures and ignore those that do not appear +# in tools/perf/arch +archlist="" +for arch in $(find $toolsdir/arch -maxdepth 1 -mindepth 1 -type d -printf "%f\n" | grep -v x86 | sort); do + test -d arch/$arch && archlist="$archlist $arch" +done + +for arch in x86 $archlist generic; do + process_arch "$arch" +done +create_arch_errno_table_func "x86 $archlist" "generic" diff --git a/tools/perf/trace/beauty/beauty.h b/tools/perf/trace/beauty/beauty.h index 4b58581a6053..984a504d335c 100644 --- a/tools/perf/trace/beauty/beauty.h +++ b/tools/perf/trace/beauty/beauty.h @@ -1,8 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _PERF_TRACE_BEAUTY_H #define _PERF_TRACE_BEAUTY_H #include <linux/kernel.h> #include <linux/types.h> +#include <sys/types.h> struct strarray { int offset; @@ -26,6 +28,8 @@ size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const cha struct trace; struct thread; +size_t pid__scnprintf_fd(struct trace *trace, pid_t pid, int fd, char *bf, size_t size); + /** * @val: value of syscall argument being formatted * @args: All the args, use syscall_args__val(arg, nth) to access one @@ -75,15 +79,33 @@ size_t syscall_arg__scnprintf_fcntl_cmd(char *bf, size_t size, struct syscall_ar size_t syscall_arg__scnprintf_fcntl_arg(char *bf, size_t size, struct syscall_arg *arg); #define SCA_FCNTL_ARG syscall_arg__scnprintf_fcntl_arg +size_t syscall_arg__scnprintf_flock(char *bf, size_t size, struct syscall_arg *arg); +#define SCA_FLOCK syscall_arg__scnprintf_flock + size_t syscall_arg__scnprintf_ioctl_cmd(char *bf, size_t size, struct syscall_arg *arg); #define SCA_IOCTL_CMD syscall_arg__scnprintf_ioctl_cmd +size_t syscall_arg__scnprintf_kcmp_type(char *bf, size_t size, struct syscall_arg *arg); +#define SCA_KCMP_TYPE syscall_arg__scnprintf_kcmp_type + +size_t syscall_arg__scnprintf_kcmp_idx(char *bf, size_t size, struct syscall_arg *arg); +#define SCA_KCMP_IDX syscall_arg__scnprintf_kcmp_idx + size_t syscall_arg__scnprintf_pkey_alloc_access_rights(char *bf, size_t size, struct syscall_arg *arg); #define SCA_PKEY_ALLOC_ACCESS_RIGHTS syscall_arg__scnprintf_pkey_alloc_access_rights size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct syscall_arg *arg); #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags +size_t syscall_arg__scnprintf_prctl_option(char *bf, size_t size, struct syscall_arg *arg); +#define SCA_PRCTL_OPTION syscall_arg__scnprintf_prctl_option + +size_t syscall_arg__scnprintf_prctl_arg2(char *bf, size_t size, struct syscall_arg *arg); +#define SCA_PRCTL_ARG2 syscall_arg__scnprintf_prctl_arg2 + +size_t syscall_arg__scnprintf_prctl_arg3(char *bf, size_t size, struct syscall_arg *arg); +#define SCA_PRCTL_ARG3 syscall_arg__scnprintf_prctl_arg3 + size_t syscall_arg__scnprintf_statx_flags(char *bf, size_t size, struct syscall_arg *arg); #define SCA_STATX_FLAGS syscall_arg__scnprintf_statx_flags @@ -95,4 +117,6 @@ size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size); void syscall_arg__set_ret_scnprintf(struct syscall_arg *arg, size_t (*ret_scnprintf)(char *bf, size_t size, struct syscall_arg *arg)); +const char *arch_syscalls__strerrno(const char *arch, int err); + #endif /* _PERF_TRACE_BEAUTY_H */ diff --git a/tools/perf/trace/beauty/eventfd.c b/tools/perf/trace/beauty/eventfd.c index b08f21eb6f4d..5d6a477a6400 100644 --- a/tools/perf/trace/beauty/eventfd.c +++ b/tools/perf/trace/beauty/eventfd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #ifndef EFD_SEMAPHORE #define EFD_SEMAPHORE 1 #endif diff --git a/tools/perf/trace/beauty/flock.c b/tools/perf/trace/beauty/flock.c index 74613703a14e..c4ff6ad30b06 100644 --- a/tools/perf/trace/beauty/flock.c +++ b/tools/perf/trace/beauty/flock.c @@ -1,4 +1,8 @@ -#include <fcntl.h> +// SPDX-License-Identifier: GPL-2.0 + +#include "trace/beauty/beauty.h" +#include <linux/kernel.h> +#include <uapi/linux/fcntl.h> #ifndef LOCK_MAND #define LOCK_MAND 32 @@ -16,8 +20,7 @@ #define LOCK_RW 192 #endif -static size_t syscall_arg__scnprintf_flock(char *bf, size_t size, - struct syscall_arg *arg) +size_t syscall_arg__scnprintf_flock(char *bf, size_t size, struct syscall_arg *arg) { int printed = 0, op = arg->val; @@ -44,5 +47,3 @@ static size_t syscall_arg__scnprintf_flock(char *bf, size_t size, return printed; } - -#define SCA_FLOCK syscall_arg__scnprintf_flock diff --git a/tools/perf/trace/beauty/futex_op.c b/tools/perf/trace/beauty/futex_op.c index bfd3359b09b6..61850fbc85ff 100644 --- a/tools/perf/trace/beauty/futex_op.c +++ b/tools/perf/trace/beauty/futex_op.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/futex.h> #ifndef FUTEX_WAIT_BITSET diff --git a/tools/perf/trace/beauty/futex_val3.c b/tools/perf/trace/beauty/futex_val3.c new file mode 100644 index 000000000000..26f6b3253511 --- /dev/null +++ b/tools/perf/trace/beauty/futex_val3.c @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/futex.h> + +#ifndef FUTEX_BITSET_MATCH_ANY +#define FUTEX_BITSET_MATCH_ANY 0xffffffff +#endif + +static size_t syscall_arg__scnprintf_futex_val3(char *bf, size_t size, struct syscall_arg *arg) +{ + unsigned int bitset = arg->val; + + if (bitset == FUTEX_BITSET_MATCH_ANY) + return scnprintf(bf, size, "MATCH_ANY"); + + return scnprintf(bf, size, "%#xd", bitset); +} + +#define SCA_FUTEX_VAL3 syscall_arg__scnprintf_futex_val3 diff --git a/tools/perf/trace/beauty/kcmp.c b/tools/perf/trace/beauty/kcmp.c new file mode 100644 index 000000000000..f62040eb9d5c --- /dev/null +++ b/tools/perf/trace/beauty/kcmp.c @@ -0,0 +1,44 @@ +/* + * trace/beauty/kcmp.c + * + * Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> + * + * Released under the GPL v2. (and only v2, not any later version) + */ + +#include "trace/beauty/beauty.h" +#include <linux/kernel.h> +#include <sys/types.h> +#include <machine.h> +#include <uapi/linux/kcmp.h> + +#include "trace/beauty/generated/kcmp_type_array.c" + +size_t syscall_arg__scnprintf_kcmp_idx(char *bf, size_t size, struct syscall_arg *arg) +{ + unsigned long fd = arg->val; + int type = syscall_arg__val(arg, 2); + pid_t pid; + + if (type != KCMP_FILE) + return syscall_arg__scnprintf_long(bf, size, arg); + + pid = syscall_arg__val(arg, arg->idx == 3 ? 0 : 1); /* idx1 -> pid1, idx2 -> pid2 */ + return pid__scnprintf_fd(arg->trace, pid, fd, bf, size); +} + +static size_t kcmp__scnprintf_type(int type, char *bf, size_t size) +{ + static DEFINE_STRARRAY(kcmp_types); + return strarray__scnprintf(&strarray__kcmp_types, bf, size, "%d", type); +} + +size_t syscall_arg__scnprintf_kcmp_type(char *bf, size_t size, struct syscall_arg *arg) +{ + unsigned long type = arg->val; + + if (type != KCMP_FILE) + arg->mask |= (1 << 3) | (1 << 4); /* Ignore idx1 and idx2 */ + + return kcmp__scnprintf_type(type, bf, size); +} diff --git a/tools/perf/trace/beauty/kcmp_type.sh b/tools/perf/trace/beauty/kcmp_type.sh new file mode 100755 index 000000000000..40d063b8c082 --- /dev/null +++ b/tools/perf/trace/beauty/kcmp_type.sh @@ -0,0 +1,10 @@ +#!/bin/sh + +header_dir=$1 + +printf "static const char *kcmp_types[] = {\n" +regex='^[[:space:]]+(KCMP_(\w+)),' +egrep $regex ${header_dir}/kcmp.h | grep -v KCMP_TYPES, | \ + sed -r "s/$regex/\1 \2/g" | \ + xargs printf "\t[%s]\t= \"%s\",\n" +printf "};\n" diff --git a/tools/perf/trace/beauty/madvise_behavior.sh b/tools/perf/trace/beauty/madvise_behavior.sh new file mode 100755 index 000000000000..60ef8640ee70 --- /dev/null +++ b/tools/perf/trace/beauty/madvise_behavior.sh @@ -0,0 +1,10 @@ +#!/bin/sh + +header_dir=$1 + +printf "static const char *madvise_advices[] = {\n" +regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MADV_([[:alnum:]_]+)[[:space:]]+([[:digit:]]+)[[:space:]]*.*' +egrep $regex ${header_dir}/mman-common.h | \ + sed -r "s/$regex/\2 \1/g" | \ + sort -n | xargs printf "\t[%s] = \"%s\",\n" +printf "};\n" diff --git a/tools/perf/trace/beauty/mmap.c b/tools/perf/trace/beauty/mmap.c index 754558f9009d..417e3ecfe9d7 100644 --- a/tools/perf/trace/beauty/mmap.c +++ b/tools/perf/trace/beauty/mmap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <uapi/linux/mman.h> static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, @@ -61,6 +62,9 @@ static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, P_MMAP_FLAG(POPULATE); P_MMAP_FLAG(STACK); P_MMAP_FLAG(UNINITIALIZED); +#ifdef MAP_SYNC + P_MMAP_FLAG(SYNC); +#endif #undef P_MMAP_FLAG if (flags) @@ -94,35 +98,21 @@ static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size, #define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags +static size_t madvise__scnprintf_behavior(int behavior, char *bf, size_t size) +{ +#include "trace/beauty/generated/madvise_behavior_array.c" + static DEFINE_STRARRAY(madvise_advices); + + if (behavior < strarray__madvise_advices.nr_entries && strarray__madvise_advices.entries[behavior] != NULL) + return scnprintf(bf, size, "MADV_%s", strarray__madvise_advices.entries[behavior]); + + return scnprintf(bf, size, "%#", behavior); +} + static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, struct syscall_arg *arg) { - int behavior = arg->val; - - switch (behavior) { -#define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n) - P_MADV_BHV(NORMAL); - P_MADV_BHV(RANDOM); - P_MADV_BHV(SEQUENTIAL); - P_MADV_BHV(WILLNEED); - P_MADV_BHV(DONTNEED); - P_MADV_BHV(FREE); - P_MADV_BHV(REMOVE); - P_MADV_BHV(DONTFORK); - P_MADV_BHV(DOFORK); - P_MADV_BHV(HWPOISON); - P_MADV_BHV(SOFT_OFFLINE); - P_MADV_BHV(MERGEABLE); - P_MADV_BHV(UNMERGEABLE); - P_MADV_BHV(HUGEPAGE); - P_MADV_BHV(NOHUGEPAGE); - P_MADV_BHV(DONTDUMP); - P_MADV_BHV(DODUMP); -#undef P_MADV_BHV - default: break; - } - - return scnprintf(bf, size, "%#x", behavior); + return madvise__scnprintf_behavior(arg->val, bf, size); } #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior diff --git a/tools/perf/trace/beauty/mode_t.c b/tools/perf/trace/beauty/mode_t.c index 930d8fef2400..d929ad7dd97b 100644 --- a/tools/perf/trace/beauty/mode_t.c +++ b/tools/perf/trace/beauty/mode_t.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> diff --git a/tools/perf/trace/beauty/msg_flags.c b/tools/perf/trace/beauty/msg_flags.c index 1106c8960cc4..c064d6aae659 100644 --- a/tools/perf/trace/beauty/msg_flags.c +++ b/tools/perf/trace/beauty/msg_flags.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <sys/types.h> #include <sys/socket.h> diff --git a/tools/perf/trace/beauty/open_flags.c b/tools/perf/trace/beauty/open_flags.c index e359e041dc0e..6aec6178a99d 100644 --- a/tools/perf/trace/beauty/open_flags.c +++ b/tools/perf/trace/beauty/open_flags.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> diff --git a/tools/perf/trace/beauty/perf_event_open.c b/tools/perf/trace/beauty/perf_event_open.c index 311f09dd718d..2bafd7c995ff 100644 --- a/tools/perf/trace/beauty/perf_event_open.c +++ b/tools/perf/trace/beauty/perf_event_open.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #ifndef PERF_FLAG_FD_NO_GROUP # define PERF_FLAG_FD_NO_GROUP (1UL << 0) #endif diff --git a/tools/perf/trace/beauty/pid.c b/tools/perf/trace/beauty/pid.c index b6d419e16dcf..0313df342830 100644 --- a/tools/perf/trace/beauty/pid.c +++ b/tools/perf/trace/beauty/pid.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_arg *arg) { int pid = arg->val; diff --git a/tools/perf/trace/beauty/prctl.c b/tools/perf/trace/beauty/prctl.c new file mode 100644 index 000000000000..246130dad6c4 --- /dev/null +++ b/tools/perf/trace/beauty/prctl.c @@ -0,0 +1,82 @@ +/* + * trace/beauty/prctl.c + * + * Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> + * + * Released under the GPL v2. (and only v2, not any later version) + */ + +#include "trace/beauty/beauty.h" +#include <linux/kernel.h> +#include <uapi/linux/prctl.h> + +#include "trace/beauty/generated/prctl_option_array.c" + +static size_t prctl__scnprintf_option(int option, char *bf, size_t size) +{ + static DEFINE_STRARRAY(prctl_options); + return strarray__scnprintf(&strarray__prctl_options, bf, size, "%d", option); +} + +static size_t prctl__scnprintf_set_mm(int option, char *bf, size_t size) +{ + static DEFINE_STRARRAY(prctl_set_mm_options); + return strarray__scnprintf(&strarray__prctl_set_mm_options, bf, size, "%d", option); +} + +size_t syscall_arg__scnprintf_prctl_arg2(char *bf, size_t size, struct syscall_arg *arg) +{ + int option = syscall_arg__val(arg, 0); + + if (option == PR_SET_MM) + return prctl__scnprintf_set_mm(arg->val, bf, size); + /* + * We still don't grab the contents of pointers on entry or exit, + * so just print them as hex numbers + */ + if (option == PR_SET_NAME) + return syscall_arg__scnprintf_hex(bf, size, arg); + + return syscall_arg__scnprintf_long(bf, size, arg); +} + +size_t syscall_arg__scnprintf_prctl_arg3(char *bf, size_t size, struct syscall_arg *arg) +{ + int option = syscall_arg__val(arg, 0); + + if (option == PR_SET_MM) + return syscall_arg__scnprintf_hex(bf, size, arg); + + return syscall_arg__scnprintf_long(bf, size, arg); +} + +size_t syscall_arg__scnprintf_prctl_option(char *bf, size_t size, struct syscall_arg *arg) +{ + unsigned long option = arg->val; + enum { + SPO_ARG2 = (1 << 1), + SPO_ARG3 = (1 << 2), + SPO_ARG4 = (1 << 3), + SPO_ARG5 = (1 << 4), + SPO_ARG6 = (1 << 5), + }; + const u8 all_but2 = SPO_ARG3 | SPO_ARG4 | SPO_ARG5 | SPO_ARG6; + const u8 all = SPO_ARG2 | all_but2; + const u8 masks[] = { + [PR_GET_DUMPABLE] = all, + [PR_SET_DUMPABLE] = all_but2, + [PR_SET_NAME] = all_but2, + [PR_GET_CHILD_SUBREAPER] = all_but2, + [PR_SET_CHILD_SUBREAPER] = all_but2, + [PR_GET_SECUREBITS] = all, + [PR_SET_SECUREBITS] = all_but2, + [PR_SET_MM] = SPO_ARG4 | SPO_ARG5 | SPO_ARG6, + [PR_GET_PDEATHSIG] = all, + [PR_SET_PDEATHSIG] = all_but2, + }; + + if (option < ARRAY_SIZE(masks)) + arg->mask |= masks[option]; + + return prctl__scnprintf_option(option, bf, size); +} diff --git a/tools/perf/trace/beauty/prctl_option.sh b/tools/perf/trace/beauty/prctl_option.sh new file mode 100755 index 000000000000..0be4138fbe71 --- /dev/null +++ b/tools/perf/trace/beauty/prctl_option.sh @@ -0,0 +1,17 @@ +#!/bin/sh + +header_dir=$1 + +printf "static const char *prctl_options[] = {\n" +regex='^#define[[:space:]]+PR_([GS]ET\w+)[[:space:]]*([[:xdigit:]]+).*' +egrep $regex ${header_dir}/prctl.h | grep -v PR_SET_PTRACER | \ + sed -r "s/$regex/\2 \1/g" | \ + sort -n | xargs printf "\t[%s] = \"%s\",\n" +printf "};\n" + +printf "static const char *prctl_set_mm_options[] = {\n" +regex='^#[[:space:]]+define[[:space:]]+PR_SET_MM_(\w+)[[:space:]]*([[:digit:]]+).*' +egrep $regex ${header_dir}/prctl.h | \ + sed -r "s/$regex/\2 \1/g" | \ + sort -n | xargs printf "\t[%s] = \"%s\",\n" +printf "};\n" diff --git a/tools/perf/trace/beauty/sched_policy.c b/tools/perf/trace/beauty/sched_policy.c index 34775295b9b3..ba5096ae76b6 100644 --- a/tools/perf/trace/beauty/sched_policy.c +++ b/tools/perf/trace/beauty/sched_policy.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <sched.h> /* diff --git a/tools/perf/trace/beauty/seccomp.c b/tools/perf/trace/beauty/seccomp.c index 356441bce27d..b7097fd5fed9 100644 --- a/tools/perf/trace/beauty/seccomp.c +++ b/tools/perf/trace/beauty/seccomp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #ifndef SECCOMP_SET_MODE_STRICT #define SECCOMP_SET_MODE_STRICT 0 #endif diff --git a/tools/perf/trace/beauty/signum.c b/tools/perf/trace/beauty/signum.c index fde8f2fc6558..bde18a53f090 100644 --- a/tools/perf/trace/beauty/signum.c +++ b/tools/perf/trace/beauty/signum.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <signal.h> static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg) diff --git a/tools/perf/trace/beauty/socket_type.c b/tools/perf/trace/beauty/socket_type.c index 0a5ce818131c..bca26aef4a77 100644 --- a/tools/perf/trace/beauty/socket_type.c +++ b/tools/perf/trace/beauty/socket_type.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <sys/types.h> #include <sys/socket.h> diff --git a/tools/perf/trace/beauty/waitid_options.c b/tools/perf/trace/beauty/waitid_options.c index 7942724adec8..8465281a093d 100644 --- a/tools/perf/trace/beauty/waitid_options.c +++ b/tools/perf/trace/beauty/waitid_options.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <sys/types.h> #include <sys/wait.h> |
