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https://github.com/torvalds/linux
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507ad2bde3
This is useful for scripts that work with Perf and ETM trace. Rather than them trying to parse Perf's error output at runtime to see if it was linked or not. Signed-off-by: James Clark <james.clark@arm.com> Reviewed-by: Ian Rogers <irogers@google.com> Cc: al.grant@arm.com Signed-off-by: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20240301133829.346286-1-james.clark@arm.com
101 lines
2.6 KiB
C
101 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include "builtin.h"
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#include "color.h"
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#include "util/debug.h"
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#include "util/header.h"
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#include <tools/config.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <string.h>
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#include <subcmd/parse-options.h>
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struct version {
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bool build_options;
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};
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static struct version version;
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static struct option version_options[] = {
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OPT_BOOLEAN(0, "build-options", &version.build_options,
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"display the build options"),
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OPT_END(),
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};
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static const char * const version_usage[] = {
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"perf version [<options>]",
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NULL
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};
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static void on_off_print(const char *status)
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{
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printf("[ ");
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if (!strcmp(status, "OFF"))
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color_fprintf(stdout, PERF_COLOR_RED, "%-3s", status);
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else
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color_fprintf(stdout, PERF_COLOR_GREEN, "%-3s", status);
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printf(" ]");
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}
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static void status_print(const char *name, const char *macro,
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const char *status)
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{
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printf("%22s: ", name);
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on_off_print(status);
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printf(" # %s\n", macro);
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}
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#define STATUS(__d, __m) \
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do { \
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if (IS_BUILTIN(__d)) \
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status_print(#__m, #__d, "on"); \
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else \
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status_print(#__m, #__d, "OFF"); \
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} while (0)
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static void library_status(void)
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{
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STATUS(HAVE_DWARF_SUPPORT, dwarf);
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STATUS(HAVE_DWARF_GETLOCATIONS_SUPPORT, dwarf_getlocations);
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#ifndef HAVE_SYSCALL_TABLE_SUPPORT
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STATUS(HAVE_LIBAUDIT_SUPPORT, libaudit);
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#endif
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STATUS(HAVE_SYSCALL_TABLE_SUPPORT, syscall_table);
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STATUS(HAVE_LIBBFD_SUPPORT, libbfd);
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STATUS(HAVE_DEBUGINFOD_SUPPORT, debuginfod);
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STATUS(HAVE_LIBELF_SUPPORT, libelf);
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STATUS(HAVE_LIBNUMA_SUPPORT, libnuma);
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STATUS(HAVE_LIBNUMA_SUPPORT, numa_num_possible_cpus);
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STATUS(HAVE_LIBPERL_SUPPORT, libperl);
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STATUS(HAVE_LIBPYTHON_SUPPORT, libpython);
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STATUS(HAVE_SLANG_SUPPORT, libslang);
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STATUS(HAVE_LIBCRYPTO_SUPPORT, libcrypto);
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STATUS(HAVE_LIBUNWIND_SUPPORT, libunwind);
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STATUS(HAVE_DWARF_SUPPORT, libdw-dwarf-unwind);
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STATUS(HAVE_LIBCAPSTONE_SUPPORT, libcapstone);
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STATUS(HAVE_ZLIB_SUPPORT, zlib);
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STATUS(HAVE_LZMA_SUPPORT, lzma);
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STATUS(HAVE_AUXTRACE_SUPPORT, get_cpuid);
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STATUS(HAVE_LIBBPF_SUPPORT, bpf);
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STATUS(HAVE_AIO_SUPPORT, aio);
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STATUS(HAVE_ZSTD_SUPPORT, zstd);
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STATUS(HAVE_LIBPFM, libpfm4);
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STATUS(HAVE_LIBTRACEEVENT, libtraceevent);
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STATUS(HAVE_BPF_SKEL, bpf_skeletons);
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STATUS(HAVE_DWARF_UNWIND_SUPPORT, dwarf-unwind-support);
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STATUS(HAVE_CSTRACE_SUPPORT, libopencsd);
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}
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int cmd_version(int argc, const char **argv)
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{
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argc = parse_options(argc, argv, version_options, version_usage,
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PARSE_OPT_STOP_AT_NON_OPTION);
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printf("perf version %s\n", perf_version_string);
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if (version.build_options || verbose > 0)
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library_status();
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return 0;
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}
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