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15bcdc9477
Conflicts: tools/perf/arch/arm/annotate/instructions.c tools/perf/arch/arm64/annotate/instructions.c tools/perf/arch/powerpc/annotate/instructions.c tools/perf/arch/s390/annotate/instructions.c tools/perf/arch/x86/tests/intel-cqm.c tools/perf/ui/tui/progress.c tools/perf/util/zlib.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
120 lines
3.0 KiB
C
120 lines
3.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* builtin-buildid-list.c
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*
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* Builtin buildid-list command: list buildids in perf.data, in the running
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* kernel and in ELF files.
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*
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* Copyright (C) 2009, Red Hat Inc.
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* Copyright (C) 2009, Arnaldo Carvalho de Melo <acme@redhat.com>
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*/
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#include "builtin.h"
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#include "perf.h"
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#include "util/build-id.h"
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#include "util/cache.h"
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#include "util/debug.h"
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#include <subcmd/parse-options.h>
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#include "util/session.h"
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#include "util/symbol.h"
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#include "util/data.h"
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#include <errno.h>
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static int sysfs__fprintf_build_id(FILE *fp)
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{
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char sbuild_id[SBUILD_ID_SIZE];
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int ret;
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ret = sysfs__sprintf_build_id("/", sbuild_id);
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if (ret != sizeof(sbuild_id))
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return ret < 0 ? ret : -EINVAL;
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return fprintf(fp, "%s\n", sbuild_id);
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}
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static int filename__fprintf_build_id(const char *name, FILE *fp)
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{
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char sbuild_id[SBUILD_ID_SIZE];
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int ret;
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ret = filename__sprintf_build_id(name, sbuild_id);
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if (ret != sizeof(sbuild_id))
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return ret < 0 ? ret : -EINVAL;
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return fprintf(fp, "%s\n", sbuild_id);
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}
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static bool dso__skip_buildid(struct dso *dso, int with_hits)
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{
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return with_hits && !dso->hit;
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}
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static int perf_session__list_build_ids(bool force, bool with_hits)
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{
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struct perf_session *session;
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struct perf_data data = {
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.file = {
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.path = input_name,
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},
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.mode = PERF_DATA_MODE_READ,
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.force = force,
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};
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symbol__elf_init();
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/*
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* See if this is an ELF file first:
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*/
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if (filename__fprintf_build_id(input_name, stdout) > 0)
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goto out;
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session = perf_session__new(&data, false, &build_id__mark_dso_hit_ops);
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if (session == NULL)
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return -1;
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/*
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* We take all buildids when the file contains AUX area tracing data
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* because we do not decode the trace because it would take too long.
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*/
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if (!perf_data__is_pipe(&data) &&
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perf_header__has_feat(&session->header, HEADER_AUXTRACE))
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with_hits = false;
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/*
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* in pipe-mode, the only way to get the buildids is to parse
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* the record stream. Buildids are stored as RECORD_HEADER_BUILD_ID
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*/
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if (with_hits || perf_data__is_pipe(&data))
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perf_session__process_events(session);
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perf_session__fprintf_dsos_buildid(session, stdout, dso__skip_buildid, with_hits);
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perf_session__delete(session);
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out:
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return 0;
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}
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int cmd_buildid_list(int argc, const char **argv)
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{
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bool show_kernel = false;
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bool with_hits = false;
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bool force = false;
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const struct option options[] = {
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OPT_BOOLEAN('H', "with-hits", &with_hits, "Show only DSOs with hits"),
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OPT_STRING('i', "input", &input_name, "file", "input file name"),
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OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
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OPT_BOOLEAN('k', "kernel", &show_kernel, "Show current kernel build id"),
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OPT_INCR('v', "verbose", &verbose, "be more verbose"),
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OPT_END()
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};
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const char * const buildid_list_usage[] = {
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"perf buildid-list [<options>]",
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NULL
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};
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argc = parse_options(argc, argv, options, buildid_list_usage, 0);
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setup_pager();
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if (show_kernel)
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return !(sysfs__fprintf_build_id(stdout) > 0);
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return perf_session__list_build_ids(force, with_hits);
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}
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