[PATCH RFC V2 04/10] petf tools: introduce a new function to set namespaces id

[kan . liang]

From: Kan Liang <kan.li...@intel.com>

Finish the namespaces id setting job in thread.c.

Signed-off-by: Kan Liang <kan.li...@intel.com>
---
 tools/perf/util/hist.c   |  7 ++-----
 tools/perf/util/thread.c | 10 ++++++++++
 tools/perf/util/thread.h |  2 ++
 3 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 0f00dd9..e332c4f 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -584,14 +584,9 @@ __hists__add_entry(struct hists *hists,
                   bool sample_self,
                   struct hist_entry_ops *ops)
 {
-       struct namespaces *ns = thread__namespaces(al->thread);
        struct hist_entry entry = {
                .thread = al->thread,
                .comm_str = thread__comm_str(al->thread),
-               .cgroup_id = {
-                       .dev = ns ? ns->link_info[CGROUP_NS_INDEX].dev : 0,
-                       .ino = ns ? ns->link_info[CGROUP_NS_INDEX].ino : 0,
-               },
                .ms = {
                        .map    = al->map,
                        .sym    = al->sym,
@@ -617,6 +612,8 @@ __hists__add_entry(struct hists *hists,
                .ops = ops,
        };
 
+       thread__namespaces_id(al->thread, &entry.cgroup_id.dev,
+                             &entry.cgroup_id.ino);
        return hists__findnew_entry(hists, &entry, al, sample_self);
 }
 
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index aee9a42..b7957da 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -149,6 +149,16 @@ int thread__set_namespaces(struct thread *thread, u64 
timestamp,
        return 0;
 }
 
+void thread__namespaces_id(const struct thread *thread,
+                          u64 *dev, u64 *ino)
+{
+       struct namespaces *ns;
+
+       ns = thread__namespaces(thread);
+       *dev = ns ? ns->link_info[CGROUP_NS_INDEX].dev : 0;
+       *ino = ns ? ns->link_info[CGROUP_NS_INDEX].ino : 0;
+}
+
 struct comm *thread__comm(const struct thread *thread)
 {
        if (list_empty(&thread->comm_list))
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index cb1a5dd..fd7bd41 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -68,6 +68,8 @@ static inline void thread__exited(struct thread *thread)
 struct namespaces *thread__namespaces(const struct thread *thread);
 int thread__set_namespaces(struct thread *thread, u64 timestamp,
                           struct namespaces_event *event);
+void thread__namespaces_id(const struct thread *thread,
+                          u64 *dev, u64 *ino);
 
 int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
                       bool exec);
-- 
2.5.5