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Message-Id: <20231102175735.2272696-45-irogers@google.com>
Date: Thu, 2 Nov 2023 10:57:26 -0700
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Ian Rogers <irogers@...gle.com>,
Adrian Hunter <adrian.hunter@...el.com>,
Nick Terrell <terrelln@...com>,
Kan Liang <kan.liang@...ux.intel.com>,
Andi Kleen <ak@...ux.intel.com>,
Kajol Jain <kjain@...ux.ibm.com>,
Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
Huacai Chen <chenhuacai@...nel.org>,
Masami Hiramatsu <mhiramat@...nel.org>,
Vincent Whitchurch <vincent.whitchurch@...s.com>,
"Steinar H. Gunderson" <sesse@...gle.com>,
Liam Howlett <liam.howlett@...cle.com>,
Miguel Ojeda <ojeda@...nel.org>,
Colin Ian King <colin.i.king@...il.com>,
Dmitrii Dolgov <9erthalion6@...il.com>,
Yang Jihong <yangjihong1@...wei.com>,
Ming Wang <wangming01@...ngson.cn>,
James Clark <james.clark@....com>,
K Prateek Nayak <kprateek.nayak@....com>,
Sean Christopherson <seanjc@...gle.com>,
Leo Yan <leo.yan@...aro.org>,
Ravi Bangoria <ravi.bangoria@....com>,
German Gomez <german.gomez@....com>,
Changbin Du <changbin.du@...wei.com>,
Paolo Bonzini <pbonzini@...hat.com>, Li Dong <lidong@...o.com>,
Sandipan Das <sandipan.das@....com>,
liuwenyu <liuwenyu7@...wei.com>, linux-kernel@...r.kernel.org,
linux-perf-users@...r.kernel.org
Subject: [PATCH v4 44/53] perf dso: Move dso functions out of dsos
Move dso and dso_id functions to dso.c to match the struct
declarations.
Signed-off-by: Ian Rogers <irogers@...gle.com>
---
tools/perf/util/dso.c | 61 ++++++++++++++++++++++++++++++++++++++++++
tools/perf/util/dso.h | 4 +++
tools/perf/util/dsos.c | 61 ------------------------------------------
3 files changed, 65 insertions(+), 61 deletions(-)
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 1f629b6fb7cf..1b0990507a42 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -1268,6 +1268,67 @@ static void dso__set_long_name_id(struct dso *dso, const char *name, struct dso_
__dsos__findnew_link_by_longname_id(root, dso, NULL, id);
}
+static int __dso_id__cmp(struct dso_id *a, struct dso_id *b)
+{
+ if (a->maj > b->maj) return -1;
+ if (a->maj < b->maj) return 1;
+
+ if (a->min > b->min) return -1;
+ if (a->min < b->min) return 1;
+
+ if (a->ino > b->ino) return -1;
+ if (a->ino < b->ino) return 1;
+
+ /*
+ * Synthesized MMAP events have zero ino_generation, avoid comparing
+ * them with MMAP events with actual ino_generation.
+ *
+ * I found it harmful because the mismatch resulted in a new
+ * dso that did not have a build ID whereas the original dso did have a
+ * build ID. The build ID was essential because the object was not found
+ * otherwise. - Adrian
+ */
+ if (a->ino_generation && b->ino_generation) {
+ if (a->ino_generation > b->ino_generation) return -1;
+ if (a->ino_generation < b->ino_generation) return 1;
+ }
+
+ return 0;
+}
+
+bool dso_id__empty(struct dso_id *id)
+{
+ if (!id)
+ return true;
+
+ return !id->maj && !id->min && !id->ino && !id->ino_generation;
+}
+
+void dso__inject_id(struct dso *dso, struct dso_id *id)
+{
+ dso->id.maj = id->maj;
+ dso->id.min = id->min;
+ dso->id.ino = id->ino;
+ dso->id.ino_generation = id->ino_generation;
+}
+
+int dso_id__cmp(struct dso_id *a, struct dso_id *b)
+{
+ /*
+ * The second is always dso->id, so zeroes if not set, assume passing
+ * NULL for a means a zeroed id
+ */
+ if (dso_id__empty(a) || dso_id__empty(b))
+ return 0;
+
+ return __dso_id__cmp(a, b);
+}
+
+int dso__cmp_id(struct dso *a, struct dso *b)
+{
+ return __dso_id__cmp(&a->id, &b->id);
+}
+
void dso__set_long_name(struct dso *dso, const char *name, bool name_allocated)
{
dso__set_long_name_id(dso, name, NULL, name_allocated);
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index 8b45dbdae776..1b247eeaa81e 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -235,6 +235,9 @@ static inline void dso__set_loaded(struct dso *dso)
dso->loaded = true;
}
+int dso_id__cmp(struct dso_id *a, struct dso_id *b);
+bool dso_id__empty(struct dso_id *id);
+
struct dso *dso__new_id(const char *name, struct dso_id *id);
struct dso *dso__new(const char *name);
void dso__delete(struct dso *dso);
@@ -242,6 +245,7 @@ void dso__delete(struct dso *dso);
int dso__cmp_id(struct dso *a, struct dso *b);
void dso__set_short_name(struct dso *dso, const char *name, bool name_allocated);
void dso__set_long_name(struct dso *dso, const char *name, bool name_allocated);
+void dso__inject_id(struct dso *dso, struct dso_id *id);
int dso__name_len(const struct dso *dso);
diff --git a/tools/perf/util/dsos.c b/tools/perf/util/dsos.c
index d43f64939b12..f816927a21ff 100644
--- a/tools/perf/util/dsos.c
+++ b/tools/perf/util/dsos.c
@@ -41,67 +41,6 @@ void dsos__exit(struct dsos *dsos)
exit_rwsem(&dsos->lock);
}
-static int __dso_id__cmp(struct dso_id *a, struct dso_id *b)
-{
- if (a->maj > b->maj) return -1;
- if (a->maj < b->maj) return 1;
-
- if (a->min > b->min) return -1;
- if (a->min < b->min) return 1;
-
- if (a->ino > b->ino) return -1;
- if (a->ino < b->ino) return 1;
-
- /*
- * Synthesized MMAP events have zero ino_generation, avoid comparing
- * them with MMAP events with actual ino_generation.
- *
- * I found it harmful because the mismatch resulted in a new
- * dso that did not have a build ID whereas the original dso did have a
- * build ID. The build ID was essential because the object was not found
- * otherwise. - Adrian
- */
- if (a->ino_generation && b->ino_generation) {
- if (a->ino_generation > b->ino_generation) return -1;
- if (a->ino_generation < b->ino_generation) return 1;
- }
-
- return 0;
-}
-
-static bool dso_id__empty(struct dso_id *id)
-{
- if (!id)
- return true;
-
- return !id->maj && !id->min && !id->ino && !id->ino_generation;
-}
-
-static void dso__inject_id(struct dso *dso, struct dso_id *id)
-{
- dso->id.maj = id->maj;
- dso->id.min = id->min;
- dso->id.ino = id->ino;
- dso->id.ino_generation = id->ino_generation;
-}
-
-static int dso_id__cmp(struct dso_id *a, struct dso_id *b)
-{
- /*
- * The second is always dso->id, so zeroes if not set, assume passing
- * NULL for a means a zeroed id
- */
- if (dso_id__empty(a) || dso_id__empty(b))
- return 0;
-
- return __dso_id__cmp(a, b);
-}
-
-int dso__cmp_id(struct dso *a, struct dso *b)
-{
- return __dso_id__cmp(&a->id, &b->id);
-}
-
bool __dsos__read_build_ids(struct dsos *dsos, bool with_hits)
{
struct list_head *head = &dsos->head;
--
2.42.0.869.gea05f2083d-goog
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