mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-03 17:46:39 +07:00
7b2567c1f5
Because 'perf record' will have to find the build-ids in after we stop recording, so as to reduce even more the impact in the workload while we do the measurement. 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: <1265223128-11786-5-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
/*
|
|
* builtin-buildid-list.c
|
|
*
|
|
* Builtin buildid-list command: list buildids in perf.data
|
|
*
|
|
* Copyright (C) 2009, Red Hat Inc.
|
|
* Copyright (C) 2009, Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
*/
|
|
#include "builtin.h"
|
|
#include "perf.h"
|
|
#include "util/build-id.h"
|
|
#include "util/cache.h"
|
|
#include "util/debug.h"
|
|
#include "util/parse-options.h"
|
|
#include "util/session.h"
|
|
#include "util/symbol.h"
|
|
|
|
static char const *input_name = "perf.data";
|
|
static int force;
|
|
static bool with_hits;
|
|
|
|
static const char * const buildid_list_usage[] = {
|
|
"perf buildid-list [<options>]",
|
|
NULL
|
|
};
|
|
|
|
static const struct option options[] = {
|
|
OPT_BOOLEAN('H', "with-hits", &with_hits, "Show only DSOs with hits"),
|
|
OPT_STRING('i', "input", &input_name, "file",
|
|
"input file name"),
|
|
OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
|
|
OPT_BOOLEAN('v', "verbose", &verbose,
|
|
"be more verbose"),
|
|
OPT_END()
|
|
};
|
|
|
|
static int __cmd_buildid_list(void)
|
|
{
|
|
int err = -1;
|
|
struct perf_session *session;
|
|
|
|
session = perf_session__new(input_name, O_RDONLY, force);
|
|
if (session == NULL)
|
|
return -1;
|
|
|
|
if (with_hits)
|
|
perf_session__process_events(session, &build_id__mark_dso_hit_ops);
|
|
|
|
dsos__fprintf_buildid(stdout, with_hits);
|
|
|
|
perf_session__delete(session);
|
|
return err;
|
|
}
|
|
|
|
int cmd_buildid_list(int argc, const char **argv, const char *prefix __used)
|
|
{
|
|
argc = parse_options(argc, argv, options, buildid_list_usage, 0);
|
|
setup_pager();
|
|
return __cmd_buildid_list();
|
|
}
|