ndb dd

  add reporting of shared pool


storage/ndb/src/kernel/blocks/cmvmi/Cmvmi.cpp:
  Add dumping of shared memory
storage/ndb/src/kernel/blocks/ndbfs/Ndbfs.cpp:
  Fix compile error
storage/ndb/src/kernel/vm/WOPool.cpp:
  remove debug printout
storage/ndb/src/kernel/vm/ndbd_malloc_impl.cpp:
  Add get resource usage
storage/ndb/src/kernel/vm/ndbd_malloc_impl.hpp:
  Add get resource usage

storage/ndb/src/kernel/blocks/cmvmi/Cmvmi.cpp

@@ -1100,6 +1100,37 @@ Cmvmi::execDUMP_STATE_ORD(Signal* signal)
 	      g_sectionSegmentPool.getNoOfFree());
   }
 
+  if (dumpState->args[0] == 1000)
+  {
+    Uint32 len = signal->getLength();
+    if (signal->getLength() == 1)
+    {
+      signal->theData[1] = 0;
+      signal->theData[2] = ~0;
+      sendSignal(reference(), GSN_DUMP_STATE_ORD, signal, 3, JBB);
+      return;
+    }
+    Uint32 id = signal->theData[1];
+    Resource_limit rl;
+    if (!m_ctx.m_mm.get_resource_limit(id, rl))
+      len = 2;
+    else
+    {
+      if (rl.m_min || rl.m_curr || rl.m_max)
+	infoEvent("Resource %d min: %d max: %d curr: %d",
+		  id, rl.m_min, rl.m_max, rl.m_curr);
+    }
+
+    if (len == 3)
+    {
+      signal->theData[0] = 1000;
+      signal->theData[1] = id+1;
+      signal->theData[2] = ~0;
+      sendSignal(reference(), GSN_DUMP_STATE_ORD, signal, 3, JBB);
+    }
+    return;
+  }
+  
   if (dumpState->args[0] == DumpStateOrd::CmvmiSetRestartOnErrorInsert){
     if(signal->getLength() == 1)
       m_ctx.m_config.setRestartOnErrorInsert((int)NRT_NoStart_Restart);

storage/ndb/src/kernel/blocks/ndbfs/Ndbfs.cpp

@@ -325,13 +325,14 @@ Ndbfs::readWriteRequest(int action, Signal * signal)
   request->action = (Request::Action) action;
   request->theTrace = signal->getTrace();
 
+  Uint32 format = fsRWReq->getFormatFlag(fsRWReq->operationFlag);
+
   if (fsRWReq->numberOfPages == 0) { //Zero pages not allowed
     jam();
     errorCode = FsRef::fsErrInvalidParameters;
     goto error;
   }
 
-  Uint32 format = fsRWReq->getFormatFlag(fsRWReq->operationFlag);
   if(format != FsReadWriteReq::fsFormatGlobalPage &&
      format != FsReadWriteReq::fsFormatSharedPage)
   {     

storage/ndb/src/kernel/vm/WOPool.cpp

@@ -38,7 +38,6 @@ WOPool::init(const Record_info& ri, const Pool_context& pc)
 bool
 WOPool::seize_new_page(Ptr<void>& ptr)
 {
-  ndbout_c("WOPool::seize_new_page(%x)", m_record_info.m_type_id);
   WOPage* page;
   Uint32 page_no = RNIL;
   if ((page = (WOPage*)m_ctx.alloc_page(m_record_info.m_type_id, &page_no)))
@@ -63,7 +62,6 @@ WOPool::seize_new_page(Ptr<void>& ptr)
 void
 WOPool::release_not_current(Ptr<void> ptr)
 {
-  ndbout_c("WOPool::release_not_current(%x)", m_record_info.m_type_id);
   WOPage* page = (WOPage*)(UintPtr(ptr.p) & ~(GLOBAL_PAGE_SIZE - 1));
   Uint32 cnt = page->m_ref_count;
   Uint32 type = page->m_type_id;

storage/ndb/src/kernel/vm/ndbd_malloc_impl.cpp

@@ -166,6 +166,17 @@ Ndbd_mem_manager::set_resource_limit(const Resource_limit& rl)
   m_resource_limit[0].m_min = current_reserved + reserve;
 }
 
+bool
+Ndbd_mem_manager::get_resource_limit(Uint32 id, Resource_limit& rl) const
+{
+  if (id < XX_RL_COUNT)
+  {
+    rl = m_resource_limit[id];
+    return true;
+  }
+  return false;
+}
+
 bool
 Ndbd_mem_manager::init(bool alloc_less_memory)
 {
@@ -173,6 +184,7 @@ Ndbd_mem_manager::init(bool alloc_less_memory)
 
   Uint32 pages = 0;
   Uint32 max_page = 0;
+  Uint32 reserved = m_resource_limit[0].m_min;
   if (m_resource_limit[0].m_max)
   {
     pages = m_resource_limit[0].m_max;
@@ -267,7 +279,10 @@ Ndbd_mem_manager::init(bool alloc_less_memory)
     if (last > max_page)
       max_page = last;
   }
+
   m_resource_limit[0].m_resource_id = max_page;
+  m_resource_limit[0].m_min = reserved;
+  m_resource_limit[0].m_max = 0;
   
   for (Uint32 i = 0; i<cnt; i++)
   {
@@ -567,6 +582,7 @@ Ndbd_mem_manager::release_page(Uint32 type, Uint32 i)
   Uint32 sub = (rl.m_curr < rl.m_min) ? 0 : 1; // Over min ?
   release(i, 1);
   m_resource_limit[0].m_curr = tot.m_curr - sub;
+  m_resource_limit[idx].m_curr = rl.m_curr - 1;
 }
 
 #ifdef UNIT_TEST

storage/ndb/src/kernel/vm/ndbd_malloc_impl.hpp

@@ -55,6 +55,7 @@ public:
   Ndbd_mem_manager();
   
   void set_resource_limit(const Resource_limit& rl);
+  bool get_resource_limit(Uint32 id, Resource_limit& rl) const;
 
   bool init(bool allow_alloc_less_than_requested = true);
   void* get_memroot() const { return (void*)m_base_page;}
@@ -65,7 +66,7 @@ public:
   void dump() const ;
   
   void* alloc_page(Uint32 type, Uint32* i);
-  void release_page(Uint32 type, Uint32 i, void * p);
+  void release_page(Uint32 type, Uint32 i);
   
   void* alloc_pages(Uint32 type, Uint32* i, Uint32 *cnt, Uint32 min = 1);
   void release_pages(Uint32 type, Uint32 i, void*p, Uint32 cnt);