diff options
Diffstat (limited to 'tools/perf/trace')
| -rw-r--r-- | tools/perf/trace/beauty/Build | 1 | ||||
| -rw-r--r-- | tools/perf/trace/beauty/arch_errno_names.c | 1 | ||||
| -rwxr-xr-x | tools/perf/trace/beauty/arch_errno_names.sh | 100 | ||||
| -rw-r--r-- | tools/perf/trace/beauty/beauty.h | 5 | ||||
| -rw-r--r-- | tools/perf/trace/beauty/flock.c | 10 | ||||
| -rw-r--r-- | tools/perf/trace/beauty/futex_val3.c | 18 |
6 files changed, 130 insertions, 5 deletions
diff --git a/tools/perf/trace/beauty/Build b/tools/perf/trace/beauty/Build index 066bbf0f4a74..66330d4b739b 100644 --- a/tools/perf/trace/beauty/Build +++ b/tools/perf/trace/beauty/Build @@ -1,5 +1,6 @@ libperf-y += clone.o libperf-y += fcntl.o +libperf-y += flock.o ifeq ($(SRCARCH),$(filter $(SRCARCH),x86)) libperf-y += ioctl.o endif 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 a6dfd04beaee..984a504d335c 100644 --- a/tools/perf/trace/beauty/beauty.h +++ b/tools/perf/trace/beauty/beauty.h @@ -79,6 +79,9 @@ 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 @@ -114,4 +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/flock.c b/tools/perf/trace/beauty/flock.c index f9707f57566c..c4ff6ad30b06 100644 --- a/tools/perf/trace/beauty/flock.c +++ b/tools/perf/trace/beauty/flock.c @@ -1,5 +1,8 @@ // SPDX-License-Identifier: GPL-2.0 -#include <fcntl.h> + +#include "trace/beauty/beauty.h" +#include <linux/kernel.h> +#include <uapi/linux/fcntl.h> #ifndef LOCK_MAND #define LOCK_MAND 32 @@ -17,8 +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; @@ -45,5 +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_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 |