[PATCH v5 38/50] perf dsos: Attempt to better abstract dsos internals
From: Ian Rogers
Date: Mon Nov 27 2023 - 17:14:23 EST
Move functions from machine and build-id to dsos. Pass dsos struct
rather than internal state. Rename some functions to better represent
which data structure they operate on.
Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
tools/perf/builtin-inject.c | 2 +-
tools/perf/builtin-record.c | 2 +-
tools/perf/util/build-id.c | 38 +---------------------------
tools/perf/util/build-id.h | 2 --
tools/perf/util/dso.h | 6 -----
tools/perf/util/dsos.c | 49 ++++++++++++++++++++++++++++++++++---
tools/perf/util/dsos.h | 19 +++++++++++---
tools/perf/util/machine.c | 40 ++++++------------------------
tools/perf/util/machine.h | 2 ++
tools/perf/util/session.c | 21 ++++++++++++++++
tools/perf/util/session.h | 2 ++
11 files changed, 97 insertions(+), 86 deletions(-)
diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index eb3ef5c24b66..ef73317e6ae7 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -2122,7 +2122,7 @@ static int __cmd_inject(struct perf_inject *inject)
*/
if (perf_header__has_feat(&session->header, HEADER_BUILD_ID) &&
inject->have_auxtrace && !inject->itrace_synth_opts.set)
- dsos__hit_all(session);
+ perf_session__dsos_hit_all(session);
/*
* The AUX areas have been removed and replaced with
* synthesized hardware events, so clear the feature flag.
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index b6c8c1371b39..53653f21b52c 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1787,7 +1787,7 @@ record__finish_output(struct record *rec)
process_buildids(rec);
if (rec->buildid_all)
- dsos__hit_all(rec->session);
+ perf_session__dsos_hit_all(rec->session);
}
perf_session__write_header(rec->session, rec->evlist, fd, true);
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 03c64b85383b..a617b1917e6b 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -390,42 +390,6 @@ int perf_session__write_buildid_table(struct perf_session *session,
return err;
}
-static int __dsos__hit_all(struct list_head *head)
-{
- struct dso *pos;
-
- list_for_each_entry(pos, head, node)
- pos->hit = true;
-
- return 0;
-}
-
-static int machine__hit_all_dsos(struct machine *machine)
-{
- return __dsos__hit_all(&machine->dsos.head);
-}
-
-int dsos__hit_all(struct perf_session *session)
-{
- struct rb_node *nd;
- int err;
-
- err = machine__hit_all_dsos(&session->machines.host);
- if (err)
- return err;
-
- for (nd = rb_first_cached(&session->machines.guests); nd;
- nd = rb_next(nd)) {
- struct machine *pos = rb_entry(nd, struct machine, rb_node);
-
- err = machine__hit_all_dsos(pos);
- if (err)
- return err;
- }
-
- return 0;
-}
-
void disable_buildid_cache(void)
{
no_buildid_cache = true;
@@ -992,7 +956,7 @@ int perf_session__cache_build_ids(struct perf_session *session)
static bool machine__read_build_ids(struct machine *machine, bool with_hits)
{
- return __dsos__read_build_ids(&machine->dsos.head, with_hits);
+ return __dsos__read_build_ids(&machine->dsos, with_hits);
}
bool perf_session__read_build_ids(struct perf_session *session, bool with_hits)
diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h
index 4e3a1169379b..3fa8bffb07ca 100644
--- a/tools/perf/util/build-id.h
+++ b/tools/perf/util/build-id.h
@@ -39,8 +39,6 @@ int build_id__mark_dso_hit(struct perf_tool *tool, union perf_event *event,
struct perf_sample *sample, struct evsel *evsel,
struct machine *machine);
-int dsos__hit_all(struct perf_session *session);
-
int perf_event__inject_buildid(struct perf_tool *tool, union perf_event *event,
struct perf_sample *sample, struct evsel *evsel,
struct machine *machine);
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index 8bdc17d78b02..8b45dbdae776 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -230,12 +230,6 @@ struct dso {
#define dso__for_each_symbol(dso, pos, n) \
symbols__for_each_entry(&(dso)->symbols, pos, n)
-#define dsos__for_each_with_build_id(pos, head) \
- list_for_each_entry(pos, head, node) \
- if (!pos->has_build_id) \
- continue; \
- else
-
static inline void dso__set_loaded(struct dso *dso)
{
dso->loaded = true;
diff --git a/tools/perf/util/dsos.c b/tools/perf/util/dsos.c
index cf80aa42dd07..e65ef6762bed 100644
--- a/tools/perf/util/dsos.c
+++ b/tools/perf/util/dsos.c
@@ -12,6 +12,35 @@
#include <symbol.h> // filename__read_build_id
#include <unistd.h>
+void dsos__init(struct dsos *dsos)
+{
+ INIT_LIST_HEAD(&dsos->head);
+ dsos->root = RB_ROOT;
+ init_rwsem(&dsos->lock);
+}
+
+static void dsos__purge(struct dsos *dsos)
+{
+ struct dso *pos, *n;
+
+ down_write(&dsos->lock);
+
+ list_for_each_entry_safe(pos, n, &dsos->head, node) {
+ RB_CLEAR_NODE(&pos->rb_node);
+ pos->root = NULL;
+ list_del_init(&pos->node);
+ dso__put(pos);
+ }
+
+ up_write(&dsos->lock);
+}
+
+void dsos__exit(struct dsos *dsos)
+{
+ dsos__purge(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;
@@ -73,8 +102,9 @@ int dso__cmp_id(struct dso *a, struct dso *b)
return __dso_id__cmp(&a->id, &b->id);
}
-bool __dsos__read_build_ids(struct list_head *head, bool with_hits)
+bool __dsos__read_build_ids(struct dsos *dsos, bool with_hits)
{
+ struct list_head *head = &dsos->head;
bool have_build_id = false;
struct dso *pos;
struct nscookie nsc;
@@ -303,9 +333,10 @@ struct dso *dsos__findnew_id(struct dsos *dsos, const char *name, struct dso_id
return dso;
}
-size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,
+size_t __dsos__fprintf_buildid(struct dsos *dsos, FILE *fp,
bool (skip)(struct dso *dso, int parm), int parm)
{
+ struct list_head *head = &dsos->head;
struct dso *pos;
size_t ret = 0;
@@ -320,8 +351,9 @@ size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,
return ret;
}
-size_t __dsos__fprintf(struct list_head *head, FILE *fp)
+size_t __dsos__fprintf(struct dsos *dsos, FILE *fp)
{
+ struct list_head *head = &dsos->head;
struct dso *pos;
size_t ret = 0;
@@ -331,3 +363,14 @@ size_t __dsos__fprintf(struct list_head *head, FILE *fp)
return ret;
}
+
+int __dsos__hit_all(struct dsos *dsos)
+{
+ struct list_head *head = &dsos->head;
+ struct dso *pos;
+
+ list_for_each_entry(pos, head, node)
+ pos->hit = true;
+
+ return 0;
+}
diff --git a/tools/perf/util/dsos.h b/tools/perf/util/dsos.h
index 5dbec2bc6966..1c81ddf07f8f 100644
--- a/tools/perf/util/dsos.h
+++ b/tools/perf/util/dsos.h
@@ -21,6 +21,15 @@ struct dsos {
struct rw_semaphore lock;
};
+#define dsos__for_each_with_build_id(pos, head) \
+ list_for_each_entry(pos, head, node) \
+ if (!pos->has_build_id) \
+ continue; \
+ else
+
+void dsos__init(struct dsos *dsos);
+void dsos__exit(struct dsos *dsos);
+
void __dsos__add(struct dsos *dsos, struct dso *dso);
void dsos__add(struct dsos *dsos, struct dso *dso);
struct dso *__dsos__addnew(struct dsos *dsos, const char *name);
@@ -28,13 +37,15 @@ struct dso *__dsos__find(struct dsos *dsos, const char *name, bool cmp_short);
struct dso *dsos__findnew_id(struct dsos *dsos, const char *name, struct dso_id *id);
+bool __dsos__read_build_ids(struct dsos *dsos, bool with_hits);
+
struct dso *__dsos__findnew_link_by_longname_id(struct rb_root *root, struct dso *dso,
const char *name, struct dso_id *id);
-bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
-
-size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,
+size_t __dsos__fprintf_buildid(struct dsos *dsos, FILE *fp,
bool (skip)(struct dso *dso, int parm), int parm);
-size_t __dsos__fprintf(struct list_head *head, FILE *fp);
+size_t __dsos__fprintf(struct dsos *dsos, FILE *fp);
+
+int __dsos__hit_all(struct dsos *dsos);
#endif /* __PERF_DSOS */
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 36231b5a86aa..a0abfba90962 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -49,13 +49,6 @@ static struct dso *machine__kernel_dso(struct machine *machine)
return map__dso(machine->vmlinux_map);
}
-static void dsos__init(struct dsos *dsos)
-{
- INIT_LIST_HEAD(&dsos->head);
- dsos->root = RB_ROOT;
- init_rwsem(&dsos->lock);
-}
-
static int machine__set_mmap_name(struct machine *machine)
{
if (machine__is_host(machine))
@@ -166,28 +159,6 @@ struct machine *machine__new_kallsyms(void)
return machine;
}
-static void dsos__purge(struct dsos *dsos)
-{
- struct dso *pos, *n;
-
- down_write(&dsos->lock);
-
- list_for_each_entry_safe(pos, n, &dsos->head, node) {
- RB_CLEAR_NODE(&pos->rb_node);
- pos->root = NULL;
- list_del_init(&pos->node);
- dso__put(pos);
- }
-
- up_write(&dsos->lock);
-}
-
-static void dsos__exit(struct dsos *dsos)
-{
- dsos__purge(dsos);
- exit_rwsem(&dsos->lock);
-}
-
void machine__delete_threads(struct machine *machine)
{
threads__remove_all_threads(&machine->threads);
@@ -907,11 +878,11 @@ static struct map *machine__addnew_module_map(struct machine *machine, u64 start
size_t machines__fprintf_dsos(struct machines *machines, FILE *fp)
{
struct rb_node *nd;
- size_t ret = __dsos__fprintf(&machines->host.dsos.head, fp);
+ size_t ret = __dsos__fprintf(&machines->host.dsos, fp);
for (nd = rb_first_cached(&machines->guests); nd; nd = rb_next(nd)) {
struct machine *pos = rb_entry(nd, struct machine, rb_node);
- ret += __dsos__fprintf(&pos->dsos.head, fp);
+ ret += __dsos__fprintf(&pos->dsos, fp);
}
return ret;
@@ -920,7 +891,7 @@ size_t machines__fprintf_dsos(struct machines *machines, FILE *fp)
size_t machine__fprintf_dsos_buildid(struct machine *m, FILE *fp,
bool (skip)(struct dso *dso, int parm), int parm)
{
- return __dsos__fprintf_buildid(&m->dsos.head, fp, skip, parm);
+ return __dsos__fprintf_buildid(&m->dsos, fp, skip, parm);
}
size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
@@ -3278,3 +3249,8 @@ bool machine__is_lock_function(struct machine *machine, u64 addr)
return false;
}
+
+int machine__hit_all_dsos(struct machine *machine)
+{
+ return __dsos__hit_all(&machine->dsos);
+}
diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h
index e28c787616fe..05927aa3e813 100644
--- a/tools/perf/util/machine.h
+++ b/tools/perf/util/machine.h
@@ -306,4 +306,6 @@ int machine__map_x86_64_entry_trampolines(struct machine *machine,
int machine__resolve(struct machine *machine, struct addr_location *al,
struct perf_sample *sample);
+int machine__hit_all_dsos(struct machine *machine);
+
#endif /* __PERF_MACHINE_H */
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 199d3e8df315..e7b5d360a212 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -2906,3 +2906,24 @@ int perf_event__process_id_index(struct perf_session *session,
}
return 0;
}
+
+int perf_session__dsos_hit_all(struct perf_session *session)
+{
+ struct rb_node *nd;
+ int err;
+
+ err = machine__hit_all_dsos(&session->machines.host);
+ if (err)
+ return err;
+
+ for (nd = rb_first_cached(&session->machines.guests); nd;
+ nd = rb_next(nd)) {
+ struct machine *pos = rb_entry(nd, struct machine, rb_node);
+
+ err = machine__hit_all_dsos(pos);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index ee3715e8563b..25c0d6c9cac9 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -154,6 +154,8 @@ int perf_session__deliver_synth_event(struct perf_session *session,
union perf_event *event,
struct perf_sample *sample);
+int perf_session__dsos_hit_all(struct perf_session *session);
+
int perf_event__process_id_index(struct perf_session *session,
union perf_event *event);
--
2.43.0.rc1.413.gea7ed67945-goog