mirror of
https://github.com/torvalds/linux.git
synced 2024-11-29 23:51:37 +00:00
916c31fff9
'perf version' on powerpc segfaults when used with non-supported option: # perf version -a Segmentation fault (core dumped) Fix this. Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Reviewed-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Tested-by: Mamatha Inamdar <mamatha4@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Link: http://lkml.kernel.org/r/20190611030109.20228-1-ravi.bangoria@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
98 lines
2.3 KiB
C
98 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include "builtin.h"
|
|
#include "perf.h"
|
|
#include "color.h"
|
|
#include <linux/compiler.h>
|
|
#include <tools/config.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <subcmd/parse-options.h>
|
|
|
|
int version_verbose;
|
|
|
|
struct version {
|
|
bool build_options;
|
|
};
|
|
|
|
static struct version version;
|
|
|
|
static struct option version_options[] = {
|
|
OPT_BOOLEAN(0, "build-options", &version.build_options,
|
|
"display the build options"),
|
|
OPT_END(),
|
|
};
|
|
|
|
static const char * const version_usage[] = {
|
|
"perf version [<options>]",
|
|
NULL
|
|
};
|
|
|
|
static void on_off_print(const char *status)
|
|
{
|
|
printf("[ ");
|
|
|
|
if (!strcmp(status, "OFF"))
|
|
color_fprintf(stdout, PERF_COLOR_RED, "%-3s", status);
|
|
else
|
|
color_fprintf(stdout, PERF_COLOR_GREEN, "%-3s", status);
|
|
|
|
printf(" ]");
|
|
}
|
|
|
|
static void status_print(const char *name, const char *macro,
|
|
const char *status)
|
|
{
|
|
printf("%22s: ", name);
|
|
on_off_print(status);
|
|
printf(" # %s\n", macro);
|
|
}
|
|
|
|
#define STATUS(__d, __m) \
|
|
do { \
|
|
if (IS_BUILTIN(__d)) \
|
|
status_print(#__m, #__d, "on"); \
|
|
else \
|
|
status_print(#__m, #__d, "OFF"); \
|
|
} while (0)
|
|
|
|
static void library_status(void)
|
|
{
|
|
STATUS(HAVE_DWARF_SUPPORT, dwarf);
|
|
STATUS(HAVE_DWARF_GETLOCATIONS_SUPPORT, dwarf_getlocations);
|
|
STATUS(HAVE_GLIBC_SUPPORT, glibc);
|
|
STATUS(HAVE_GTK2_SUPPORT, gtk2);
|
|
#ifndef HAVE_SYSCALL_TABLE_SUPPORT
|
|
STATUS(HAVE_LIBAUDIT_SUPPORT, libaudit);
|
|
#endif
|
|
STATUS(HAVE_SYSCALL_TABLE_SUPPORT, syscall_table);
|
|
STATUS(HAVE_LIBBFD_SUPPORT, libbfd);
|
|
STATUS(HAVE_LIBELF_SUPPORT, libelf);
|
|
STATUS(HAVE_LIBNUMA_SUPPORT, libnuma);
|
|
STATUS(HAVE_LIBNUMA_SUPPORT, numa_num_possible_cpus);
|
|
STATUS(HAVE_LIBPERL_SUPPORT, libperl);
|
|
STATUS(HAVE_LIBPYTHON_SUPPORT, libpython);
|
|
STATUS(HAVE_SLANG_SUPPORT, libslang);
|
|
STATUS(HAVE_LIBCRYPTO_SUPPORT, libcrypto);
|
|
STATUS(HAVE_LIBUNWIND_SUPPORT, libunwind);
|
|
STATUS(HAVE_DWARF_SUPPORT, libdw-dwarf-unwind);
|
|
STATUS(HAVE_ZLIB_SUPPORT, zlib);
|
|
STATUS(HAVE_LZMA_SUPPORT, lzma);
|
|
STATUS(HAVE_AUXTRACE_SUPPORT, get_cpuid);
|
|
STATUS(HAVE_LIBBPF_SUPPORT, bpf);
|
|
STATUS(HAVE_AIO_SUPPORT, aio);
|
|
STATUS(HAVE_ZSTD_SUPPORT, zstd);
|
|
}
|
|
|
|
int cmd_version(int argc, const char **argv)
|
|
{
|
|
argc = parse_options(argc, argv, version_options, version_usage,
|
|
PARSE_OPT_STOP_AT_NON_OPTION);
|
|
|
|
printf("perf version %s\n", perf_version_string);
|
|
|
|
if (version.build_options || version_verbose == 1)
|
|
library_status();
|
|
|
|
return 0;
|
|
}
|