tools/perf/builtin-version.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 #include "builtin.h"
0003 #include "perf.h"
0004 #include "color.h"
0005 #include <tools/config.h>
0006 #include <stdbool.h>
0007 #include <stdio.h>
0008 #include <string.h>
0009 #include <subcmd/parse-options.h>
0010
0011 int version_verbose;
0012
0013 struct version {
0014     bool    build_options;
0015 };
0016
0017 static struct version version;
0018
0019 static struct option version_options[] = {
0020     OPT_BOOLEAN(0, "build-options", &version.build_options,
0021             "display the build options"),
0022     OPT_END(),
0023 };
0024
0025 static const char * const version_usage[] = {
0026     "perf version [<options>]",
0027     NULL
0028 };
0029
0030 static void on_off_print(const char *status)
0031 {
0032     printf("[ ");
0033
0034     if (!strcmp(status, "OFF"))
0035         color_fprintf(stdout, PERF_COLOR_RED, "%-3s", status);
0036     else
0037         color_fprintf(stdout, PERF_COLOR_GREEN, "%-3s", status);
0038
0039     printf(" ]");
0040 }
0041
0042 static void status_print(const char *name, const char *macro,
0043              const char *status)
0044 {
0045     printf("%22s: ", name);
0046     on_off_print(status);
0047     printf("  # %s\n", macro);
0048 }
0049
0050 #define STATUS(__d, __m)                \
0051 do {                            \
0052     if (IS_BUILTIN(__d))                \
0053         status_print(#__m, #__d, "on");     \
0054     else                        \
0055         status_print(#__m, #__d, "OFF");    \
0056 } while (0)
0057
0058 static void library_status(void)
0059 {
0060     STATUS(HAVE_DWARF_SUPPORT, dwarf);
0061     STATUS(HAVE_DWARF_GETLOCATIONS_SUPPORT, dwarf_getlocations);
0062     STATUS(HAVE_GLIBC_SUPPORT, glibc);
0063 #ifndef HAVE_SYSCALL_TABLE_SUPPORT
0064     STATUS(HAVE_LIBAUDIT_SUPPORT, libaudit);
0065 #endif
0066     STATUS(HAVE_SYSCALL_TABLE_SUPPORT, syscall_table);
0067     STATUS(HAVE_LIBBFD_SUPPORT, libbfd);
0068     STATUS(HAVE_DEBUGINFOD_SUPPORT, debuginfod);
0069     STATUS(HAVE_LIBELF_SUPPORT, libelf);
0070     STATUS(HAVE_LIBNUMA_SUPPORT, libnuma);
0071     STATUS(HAVE_LIBNUMA_SUPPORT, numa_num_possible_cpus);
0072     STATUS(HAVE_LIBPERL_SUPPORT, libperl);
0073     STATUS(HAVE_LIBPYTHON_SUPPORT, libpython);
0074     STATUS(HAVE_SLANG_SUPPORT, libslang);
0075     STATUS(HAVE_LIBCRYPTO_SUPPORT, libcrypto);
0076     STATUS(HAVE_LIBUNWIND_SUPPORT, libunwind);
0077     STATUS(HAVE_DWARF_SUPPORT, libdw-dwarf-unwind);
0078     STATUS(HAVE_ZLIB_SUPPORT, zlib);
0079     STATUS(HAVE_LZMA_SUPPORT, lzma);
0080     STATUS(HAVE_AUXTRACE_SUPPORT, get_cpuid);
0081     STATUS(HAVE_LIBBPF_SUPPORT, bpf);
0082     STATUS(HAVE_AIO_SUPPORT, aio);
0083     STATUS(HAVE_ZSTD_SUPPORT, zstd);
0084     STATUS(HAVE_LIBPFM, libpfm4);
0085 }
0086
0087 int cmd_version(int argc, const char **argv)
0088 {
0089     argc = parse_options(argc, argv, version_options, version_usage,
0090                  PARSE_OPT_STOP_AT_NON_OPTION);
0091
0092     printf("perf version %s\n", perf_version_string);
0093
0094     if (version.build_options || version_verbose == 1)
0095         library_status();
0096
0097     return 0;
0098 }