[Feature][T106]ZXW P56U09 code
Only Configure: Yes
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: No
Doc Update: No
Change-Id: I3cbd8b420271eb20c2b40ebe5c78f83059cd42f3
diff --git a/ap/os/linux/linux-3.4.x/tools/perf/util/thread.c b/ap/os/linux/linux-3.4.x/tools/perf/util/thread.c
new file mode 100644
index 0000000..fb4b7ea
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/tools/perf/util/thread.c
@@ -0,0 +1,140 @@
+#include "../perf.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "session.h"
+#include "thread.h"
+#include "util.h"
+#include "debug.h"
+
+static struct thread *thread__new(pid_t pid)
+{
+ struct thread *self = zalloc(sizeof(*self));
+
+ if (self != NULL) {
+ map_groups__init(&self->mg);
+ self->pid = pid;
+ self->comm = malloc(32);
+ if (self->comm)
+ snprintf(self->comm, 32, ":%d", self->pid);
+ }
+
+ return self;
+}
+
+void thread__delete(struct thread *self)
+{
+ map_groups__exit(&self->mg);
+ free(self->comm);
+ free(self);
+}
+
+int thread__set_comm(struct thread *self, const char *comm)
+{
+ int err;
+
+ if (self->comm)
+ free(self->comm);
+ self->comm = strdup(comm);
+ err = self->comm == NULL ? -ENOMEM : 0;
+ if (!err) {
+ self->comm_set = true;
+ map_groups__flush(&self->mg);
+ }
+ return err;
+}
+
+int thread__comm_len(struct thread *self)
+{
+ if (!self->comm_len) {
+ if (!self->comm)
+ return 0;
+ self->comm_len = strlen(self->comm);
+ }
+
+ return self->comm_len;
+}
+
+static size_t thread__fprintf(struct thread *self, FILE *fp)
+{
+ return fprintf(fp, "Thread %d %s\n", self->pid, self->comm) +
+ map_groups__fprintf(&self->mg, verbose, fp);
+}
+
+struct thread *machine__findnew_thread(struct machine *self, pid_t pid)
+{
+ struct rb_node **p = &self->threads.rb_node;
+ struct rb_node *parent = NULL;
+ struct thread *th;
+
+ /*
+ * Font-end cache - PID lookups come in blocks,
+ * so most of the time we dont have to look up
+ * the full rbtree:
+ */
+ if (self->last_match && self->last_match->pid == pid)
+ return self->last_match;
+
+ while (*p != NULL) {
+ parent = *p;
+ th = rb_entry(parent, struct thread, rb_node);
+
+ if (th->pid == pid) {
+ self->last_match = th;
+ return th;
+ }
+
+ if (pid < th->pid)
+ p = &(*p)->rb_left;
+ else
+ p = &(*p)->rb_right;
+ }
+
+ th = thread__new(pid);
+ if (th != NULL) {
+ rb_link_node(&th->rb_node, parent, p);
+ rb_insert_color(&th->rb_node, &self->threads);
+ self->last_match = th;
+ }
+
+ return th;
+}
+
+void thread__insert_map(struct thread *self, struct map *map)
+{
+ map_groups__fixup_overlappings(&self->mg, map, verbose, stderr);
+ map_groups__insert(&self->mg, map);
+}
+
+int thread__fork(struct thread *self, struct thread *parent)
+{
+ int i;
+
+ if (parent->comm_set) {
+ if (self->comm)
+ free(self->comm);
+ self->comm = strdup(parent->comm);
+ if (!self->comm)
+ return -ENOMEM;
+ self->comm_set = true;
+ }
+
+ for (i = 0; i < MAP__NR_TYPES; ++i)
+ if (map_groups__clone(&self->mg, &parent->mg, i) < 0)
+ return -ENOMEM;
+ return 0;
+}
+
+size_t machine__fprintf(struct machine *machine, FILE *fp)
+{
+ size_t ret = 0;
+ struct rb_node *nd;
+
+ for (nd = rb_first(&machine->threads); nd; nd = rb_next(nd)) {
+ struct thread *pos = rb_entry(nd, struct thread, rb_node);
+
+ ret += thread__fprintf(pos, fp);
+ }
+
+ return ret;
+}