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75be6cf487
This simplifies a lot of functions, less stuff to be done by tool writers. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1260914682-29652-1-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
/*
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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
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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/cache.h"
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#include "util/debug.h"
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#include "util/parse-options.h"
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#include "util/session.h"
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#include "util/symbol.h"
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static char const *input_name = "perf.data";
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static int force;
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static 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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static const struct option options[] = {
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OPT_STRING('i', "input", &input_name, "file",
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"input file name"),
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OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
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OPT_BOOLEAN('v', "verbose", &verbose,
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"be more verbose"),
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OPT_END()
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};
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static int perf_file_section__process_buildids(struct perf_file_section *self,
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int feat, int fd)
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{
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if (feat != HEADER_BUILD_ID)
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return 0;
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if (lseek(fd, self->offset, SEEK_SET) < 0) {
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pr_warning("Failed to lseek to %Ld offset for buildids!\n",
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self->offset);
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return -1;
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}
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if (perf_header__read_build_ids(fd, self->offset, self->size)) {
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pr_warning("Failed to read buildids!\n");
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return -1;
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}
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return 0;
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}
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static int __cmd_buildid_list(void)
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{
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int err = -1;
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struct perf_session *session;
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session = perf_session__new(input_name, O_RDONLY, force);
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if (session == NULL)
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return -1;
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err = perf_header__process_sections(&session->header, session->fd,
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perf_file_section__process_buildids);
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if (err >= 0)
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dsos__fprintf_buildid(stdout);
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perf_session__delete(session);
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return err;
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}
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int cmd_buildid_list(int argc, const char **argv, const char *prefix __used)
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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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return __cmd_buildid_list();
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}
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