aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/tools/perf/builtin-buildid-list.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--tools/perf/builtin-buildid-list.c63
1 files changed, 59 insertions, 4 deletions
diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c
index e3ef75583514..52dfacaff8e3 100644
--- a/tools/perf/builtin-buildid-list.c
+++ b/tools/perf/builtin-buildid-list.c
@@ -8,18 +8,50 @@
* Copyright (C) 2009, Arnaldo Carvalho de Melo <acme@redhat.com>
*/
#include "builtin.h"
-#include "perf.h"
#include "util/build-id.h"
#include "util/debug.h"
#include "util/dso.h"
+#include "util/map.h"
#include <subcmd/pager.h>
#include <subcmd/parse-options.h>
#include "util/session.h"
#include "util/symbol.h"
#include "util/data.h"
+#include "util/util.h"
#include <errno.h>
+#include <inttypes.h>
#include <linux/err.h>
+static int buildid__map_cb(struct map *map, void *arg __maybe_unused)
+{
+ const struct dso *dso = map__dso(map);
+ char bid_buf[SBUILD_ID_SIZE];
+ const char *dso_long_name = dso__long_name(dso);
+ const char *dso_short_name = dso__short_name(dso);
+
+ memset(bid_buf, 0, sizeof(bid_buf));
+ if (dso__has_build_id(dso))
+ build_id__sprintf(dso__bid_const(dso), bid_buf);
+ printf("%s %16" PRIx64 " %16" PRIx64, bid_buf, map__start(map), map__end(map));
+ if (dso_long_name != NULL)
+ printf(" %s", dso_long_name);
+ else if (dso_short_name != NULL)
+ printf(" %s", dso_short_name);
+
+ printf("\n");
+
+ return 0;
+}
+
+static void buildid__show_kernel_maps(void)
+{
+ struct machine *machine;
+
+ machine = machine__new_host();
+ machine__for_each_kernel_map(machine, buildid__map_cb, NULL);
+ machine__delete(machine);
+}
+
static int sysfs__fprintf_build_id(FILE *fp)
{
char sbuild_id[SBUILD_ID_SIZE];
@@ -46,7 +78,7 @@ static int filename__fprintf_build_id(const char *name, FILE *fp)
static bool dso__skip_buildid(struct dso *dso, int with_hits)
{
- return with_hits && !dso->hit;
+ return with_hits && !dso__hit(dso);
}
static int perf_session__list_build_ids(bool force, bool with_hits)
@@ -57,6 +89,7 @@ static int perf_session__list_build_ids(bool force, bool with_hits)
.mode = PERF_DATA_MODE_READ,
.force = force,
};
+ struct perf_tool build_id__mark_dso_hit_ops;
symbol__elf_init();
/*
@@ -65,7 +98,16 @@ static int perf_session__list_build_ids(bool force, bool with_hits)
if (filename__fprintf_build_id(input_name, stdout) > 0)
goto out;
- session = perf_session__new(&data, false, &build_id__mark_dso_hit_ops);
+ perf_tool__init(&build_id__mark_dso_hit_ops, /*ordered_events=*/true);
+ build_id__mark_dso_hit_ops.sample = build_id__mark_dso_hit;
+ build_id__mark_dso_hit_ops.mmap = perf_event__process_mmap;
+ build_id__mark_dso_hit_ops.mmap2 = perf_event__process_mmap2;
+ build_id__mark_dso_hit_ops.fork = perf_event__process_fork;
+ build_id__mark_dso_hit_ops.exit = perf_event__exit_del_thread;
+ build_id__mark_dso_hit_ops.attr = perf_event__process_attr;
+ build_id__mark_dso_hit_ops.build_id = perf_event__process_build_id;
+
+ session = perf_session__new(&data, &build_id__mark_dso_hit_ops);
if (IS_ERR(session))
return PTR_ERR(session);
@@ -77,6 +119,12 @@ static int perf_session__list_build_ids(bool force, bool with_hits)
perf_header__has_feat(&session->header, HEADER_AUXTRACE))
with_hits = false;
+ if (!perf_header__has_feat(&session->header, HEADER_BUILD_ID))
+ with_hits = true;
+
+ if (zstd_init(&(session->zstd_data), 0) < 0)
+ pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
+
/*
* in pipe-mode, the only way to get the buildids is to parse
* the record stream. Buildids are stored as RECORD_HEADER_BUILD_ID
@@ -93,6 +141,7 @@ out:
int cmd_buildid_list(int argc, const char **argv)
{
bool show_kernel = false;
+ bool show_kernel_maps = false;
bool with_hits = false;
bool force = false;
const struct option options[] = {
@@ -100,6 +149,8 @@ int cmd_buildid_list(int argc, const char **argv)
OPT_STRING('i', "input", &input_name, "file", "input file name"),
OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
OPT_BOOLEAN('k', "kernel", &show_kernel, "Show current kernel build id"),
+ OPT_BOOLEAN('m', "kernel-maps", &show_kernel_maps,
+ "Show build id of current kernel + modules"),
OPT_INCR('v', "verbose", &verbose, "be more verbose"),
OPT_END()
};
@@ -111,8 +162,12 @@ int cmd_buildid_list(int argc, const char **argv)
argc = parse_options(argc, argv, options, buildid_list_usage, 0);
setup_pager();
- if (show_kernel)
+ if (show_kernel) {
return !(sysfs__fprintf_build_id(stdout) > 0);
+ } else if (show_kernel_maps) {
+ buildid__show_kernel_maps();
+ return 0;
+ }
return perf_session__list_build_ids(force, with_hits);
}