threads: add thread names

Adding names to threads simplifies cpu usage realtime tracking
e.g. top -H -p <OSD_PID>

This commit changes Thread.create() method forcing to pass thread name.

Signed-off-by: Igor Podoski <igor.podoski@ts.fujitsu.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/src/common/WorkQueue.h b/src/common/WorkQueue.h
index a6e7972408f..a9a753378b4 100644
--- a/src/common/WorkQueue.h
+++ b/src/common/WorkQueue.h
@@ -28,6 +28,7 @@ class CephContext;
 class ThreadPool : public md_config_obs_t {
   CephContext *cct;
   string name;
+  string thread_name;
   string lockname;
   Mutex _lock;
   Cond _cond;
@@ -459,7 +460,7 @@ private:
   void worker(WorkThread *wt);
 
 public:
-  ThreadPool(CephContext *cct_, string nm, int n, const char *option = NULL);
+  ThreadPool(CephContext *cct_, string nm, string tn, int n, const char *option = NULL);
   virtual ~ThreadPool();
 
   /// return number of threads currently running
@@ -618,6 +619,7 @@ class ShardedThreadPool {
 
   CephContext *cct;
   string name;
+  string thread_name;
   string lockname;
   Mutex shardedpool_lock;
   Cond shardedpool_cond;
@@ -698,7 +700,7 @@ private:
 
 public:
 
-  ShardedThreadPool(CephContext *cct_, string nm, uint32_t pnum_threads);
+  ShardedThreadPool(CephContext *cct_, string nm, string tn, uint32_t pnum_threads);
 
   ~ShardedThreadPool(){};