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-rw-r--r--tools/perf/util/event.c10
-rw-r--r--tools/perf/util/map.c24
-rw-r--r--tools/perf/util/session.c8
-rw-r--r--tools/perf/util/session.h14
-rw-r--r--tools/perf/util/symbol.c2
-rw-r--r--tools/perf/util/symbol.h2
6 files changed, 29 insertions, 31 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index dfc8bf64d70f..d2ea9dd9fdf1 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -656,6 +656,16 @@ int event__preprocess_sample(const event_t *self, struct perf_session *session,
goto out_filtered;
dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);
+ /*
+ * Have we already created the kernel maps for the host machine?
+ *
+ * This should have happened earlier, when we processed the kernel MMAP
+ * events, but for older perf.data files there was no such thing, so do
+ * it now.
+ */
+ if (cpumode == PERF_RECORD_MISC_KERNEL &&
+ session->host_machine.vmlinux_maps[MAP__FUNCTION] == NULL)
+ machine__create_kernel_maps(&session->host_machine);
thread__find_addr_map(thread, session, cpumode, MAP__FUNCTION,
self->ip.pid, self->ip.ip, al);
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 44a4df68b3cf..e672f2fef65b 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -579,30 +579,6 @@ struct machine *machines__find(struct rb_root *self, pid_t pid)
return default_machine;
}
-/*
- * FIXME: Why repeatedly search for this?
- */
-struct machine *machines__find_host(struct rb_root *self)
-{
- struct rb_node **p = &self->rb_node;
- struct rb_node *parent = NULL;
- struct machine *machine;
- pid_t pid = HOST_KERNEL_ID;
-
- while (*p != NULL) {
- parent = *p;
- machine = rb_entry(parent, struct machine, rb_node);
- if (pid < machine->pid)
- p = &(*p)->rb_left;
- else if (pid > machine->pid)
- p = &(*p)->rb_right;
- else
- return machine;
- }
-
- return NULL;
-}
-
struct machine *machines__findnew(struct rb_root *self, pid_t pid)
{
char path[PATH_MAX];
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 5d353e70fe26..71bc608e0ec6 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -100,6 +100,7 @@ struct perf_session *perf_session__new(const char *filename, int mode, bool forc
self->repipe = repipe;
self->ordered_samples.flush_limit = ULLONG_MAX;
INIT_LIST_HEAD(&self->ordered_samples.samples_head);
+ machine__init(&self->host_machine, "", HOST_KERNEL_ID);
if (mode == O_RDONLY) {
if (perf_session__open(self, force) < 0)
@@ -870,3 +871,10 @@ int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps,
return 0;
}
+
+size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp)
+{
+ return __dsos__fprintf(&self->host_machine.kernel_dsos, fp) +
+ __dsos__fprintf(&self->host_machine.user_dsos, fp) +
+ machines__fprintf_dsos(&self->machines, fp);
+}
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index f2b2c6a3a49d..eb9f179376a5 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -25,6 +25,7 @@ struct perf_session {
unsigned long mmap_window;
struct rb_root threads;
struct thread *last_match;
+ struct machine host_machine;
struct rb_root machines;
struct events_stats events_stats;
struct rb_root stats_by_id;
@@ -107,18 +108,22 @@ int perf_session__browse_hists(struct rb_root *hists, u64 nr_hists,
static inline
struct machine *perf_session__find_host_machine(struct perf_session *self)
{
- return machines__find_host(&self->machines);
+ return &self->host_machine;
}
static inline
struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
{
+ if (pid == HOST_KERNEL_ID)
+ return &self->host_machine;
return machines__find(&self->machines, pid);
}
static inline
struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
{
+ if (pid == HOST_KERNEL_ID)
+ return &self->host_machine;
return machines__findnew(&self->machines, pid);
}
@@ -126,14 +131,11 @@ static inline
void perf_session__process_machines(struct perf_session *self,
machine__process_t process)
{
+ process(&self->host_machine, self);
return machines__process(&self->machines, process, self);
}
-static inline
-size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp)
-{
- return machines__fprintf_dsos(&self->machines, fp);
-}
+size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
static inline
size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, FILE *fp,
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 4c0146a49063..994efdb531e4 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1889,7 +1889,7 @@ struct dso *__dsos__findnew(struct list_head *head, const char *name)
return dso;
}
-static size_t __dsos__fprintf(struct list_head *head, FILE *fp)
+size_t __dsos__fprintf(struct list_head *head, FILE *fp)
{
struct dso *pos;
size_t ret = 0;
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index a517c17407b7..edff866d76b2 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -167,6 +167,8 @@ int machine__load_kallsyms(struct machine *self, const char *filename,
int machine__load_vmlinux_path(struct machine *self, enum map_type type,
symbol_filter_t filter);
+size_t __dsos__fprintf(struct list_head *head, FILE *fp);
+
size_t machines__fprintf_dsos(struct rb_root *self, FILE *fp);
size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits);