[PATCH 14/52] perf annotate: Factor out evsel__get_arch()

From: Namhyung Kim
Date: Thu Nov 09 2023 - 19:01:24 EST


The evsel__get_arch() is to get architecture info from the environ.
It'll be used by other places later so let's factor it out.

Also add arch__is() to check the arch info by name.

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
tools/perf/util/annotate.c | 44 +++++++++++++++++++++++++++-----------
tools/perf/util/annotate.h | 2 ++
2 files changed, 33 insertions(+), 13 deletions(-)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 3364edf30f50..83e0996992af 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -804,6 +804,11 @@ static struct arch *arch__find(const char *name)
return bsearch(name, architectures, nmemb, sizeof(struct arch), arch__key_cmp);
}

+bool arch__is(struct arch *arch, const char *name)
+{
+ return !strcmp(arch->name, name);
+}
+
static struct annotated_source *annotated_source__new(void)
{
struct annotated_source *src = zalloc(sizeof(*src));
@@ -2340,15 +2345,8 @@ void symbol__calc_percent(struct symbol *sym, struct evsel *evsel)
annotation__calc_percent(notes, evsel, symbol__size(sym));
}

-int symbol__annotate(struct map_symbol *ms, struct evsel *evsel,
- struct annotation_options *options, struct arch **parch)
+static int evsel__get_arch(struct evsel *evsel, struct arch **parch)
{
- struct symbol *sym = ms->sym;
- struct annotation *notes = symbol__annotation(sym);
- struct annotate_args args = {
- .evsel = evsel,
- .options = options,
- };
struct perf_env *env = evsel__env(evsel);
const char *arch_name = perf_env__arch(env);
struct arch *arch;
@@ -2357,23 +2355,43 @@ int symbol__annotate(struct map_symbol *ms, struct evsel *evsel,
if (!arch_name)
return errno;

- args.arch = arch = arch__find(arch_name);
+ *parch = arch = arch__find(arch_name);
if (arch == NULL) {
pr_err("%s: unsupported arch %s\n", __func__, arch_name);
return ENOTSUP;
}

- if (parch)
- *parch = arch;
-
if (arch->init) {
err = arch->init(arch, env ? env->cpuid : NULL);
if (err) {
- pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name);
+ pr_err("%s: failed to initialize %s arch priv area\n",
+ __func__, arch->name);
return err;
}
}
+ return 0;
+}
+
+int symbol__annotate(struct map_symbol *ms, struct evsel *evsel,
+ struct annotation_options *options, struct arch **parch)
+{
+ struct symbol *sym = ms->sym;
+ struct annotation *notes = symbol__annotation(sym);
+ struct annotate_args args = {
+ .evsel = evsel,
+ .options = options,
+ };
+ struct arch *arch = NULL;
+ int err;
+
+ err = evsel__get_arch(evsel, &arch);
+ if (err < 0)
+ return err;
+
+ if (parch)
+ *parch = arch;

+ args.arch = arch;
args.ms = *ms;
if (notes->options && notes->options->full_addr)
notes->start = map__objdump_2mem(ms->map, ms->sym->start);
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index bc8b95e8b1be..e8b0173f5f00 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -59,6 +59,8 @@ struct ins_operands {

struct arch;

+bool arch__is(struct arch *arch, const char *name);
+
struct ins_ops {
void (*free)(struct ins_operands *ops);
int (*parse)(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms);
--
2.42.0.869.gea05f2083d-goog