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-rw-r--r--src/mongo/db/stats/top.cpp188
1 files changed, 92 insertions, 96 deletions
diff --git a/src/mongo/db/stats/top.cpp b/src/mongo/db/stats/top.cpp
index 903378e1834..f4f66d42a05 100644
--- a/src/mongo/db/stats/top.cpp
+++ b/src/mongo/db/stats/top.cpp
@@ -40,86 +40,84 @@
namespace mongo {
- using std::endl;
- using std::string;
- using std::stringstream;
- using std::vector;
+using std::endl;
+using std::string;
+using std::stringstream;
+using std::vector;
namespace {
- const auto getTop = ServiceContext::declareDecoration<Top>();
+const auto getTop = ServiceContext::declareDecoration<Top>();
-} // namespace
+} // namespace
- Top::UsageData::UsageData( const UsageData& older, const UsageData& newer ) {
- // this won't be 100% accurate on rollovers and drop(), but at least it won't be negative
- time = (newer.time >= older.time) ? (newer.time - older.time) : newer.time;
- count = (newer.count >= older.count) ? (newer.count - older.count) : newer.count;
- }
-
- Top::CollectionData::CollectionData( const CollectionData& older, const CollectionData& newer )
- : total( older.total, newer.total ),
- readLock( older.readLock, newer.readLock ),
- writeLock( older.writeLock, newer.writeLock ),
- queries( older.queries, newer.queries ),
- getmore( older.getmore, newer.getmore ),
- insert( older.insert, newer.insert ),
- update( older.update, newer.update ),
- remove( older.remove, newer.remove ),
- commands( older.commands, newer.commands ) {
-
- }
-
- // static
- Top& Top::get(ServiceContext* service) {
- return getTop(service);
- }
+Top::UsageData::UsageData(const UsageData& older, const UsageData& newer) {
+ // this won't be 100% accurate on rollovers and drop(), but at least it won't be negative
+ time = (newer.time >= older.time) ? (newer.time - older.time) : newer.time;
+ count = (newer.count >= older.count) ? (newer.count - older.count) : newer.count;
+}
- void Top::record( StringData ns, int op, int lockType, long long micros, bool command ) {
- if ( ns[0] == '?' )
- return;
+Top::CollectionData::CollectionData(const CollectionData& older, const CollectionData& newer)
+ : total(older.total, newer.total),
+ readLock(older.readLock, newer.readLock),
+ writeLock(older.writeLock, newer.writeLock),
+ queries(older.queries, newer.queries),
+ getmore(older.getmore, newer.getmore),
+ insert(older.insert, newer.insert),
+ update(older.update, newer.update),
+ remove(older.remove, newer.remove),
+ commands(older.commands, newer.commands) {}
+
+// static
+Top& Top::get(ServiceContext* service) {
+ return getTop(service);
+}
- //cout << "record: " << ns << "\t" << op << "\t" << command << endl;
- stdx::lock_guard<SimpleMutex> lk(_lock);
+void Top::record(StringData ns, int op, int lockType, long long micros, bool command) {
+ if (ns[0] == '?')
+ return;
- if ( ( command || op == dbQuery ) && ns == _lastDropped ) {
- _lastDropped = "";
- return;
- }
+ // cout << "record: " << ns << "\t" << op << "\t" << command << endl;
+ stdx::lock_guard<SimpleMutex> lk(_lock);
- CollectionData& coll = _usage[ns];
- _record( coll, op, lockType, micros, command );
+ if ((command || op == dbQuery) && ns == _lastDropped) {
+ _lastDropped = "";
+ return;
}
- void Top::_record( CollectionData& c, int op, int lockType, long long micros, bool command ) {
- c.total.inc( micros );
+ CollectionData& coll = _usage[ns];
+ _record(coll, op, lockType, micros, command);
+}
+
+void Top::_record(CollectionData& c, int op, int lockType, long long micros, bool command) {
+ c.total.inc(micros);
- if ( lockType > 0 )
- c.writeLock.inc( micros );
- else if ( lockType < 0 )
- c.readLock.inc( micros );
+ if (lockType > 0)
+ c.writeLock.inc(micros);
+ else if (lockType < 0)
+ c.readLock.inc(micros);
- switch ( op ) {
+ switch (op) {
case 0:
// use 0 for unknown, non-specific
break;
case dbUpdate:
- c.update.inc( micros );
+ c.update.inc(micros);
break;
case dbInsert:
- c.insert.inc( micros );
+ c.insert.inc(micros);
break;
case dbQuery:
- if ( command )
- c.commands.inc( micros );
+ if (command)
+ c.commands.inc(micros);
else
- c.queries.inc( micros );
+ c.queries.inc(micros);
break;
case dbGetMore:
- c.getmore.inc( micros );
+ c.getmore.inc(micros);
break;
case dbDelete:
- c.remove.inc( micros );
+ c.remove.inc(micros);
break;
case dbKillCursors:
break;
@@ -133,62 +131,60 @@ namespace {
break;
default:
log() << "unknown op in Top::record: " << op << endl;
- }
-
- }
-
- void Top::collectionDropped( StringData ns ) {
- stdx::lock_guard<SimpleMutex> lk(_lock);
- _usage.erase(ns);
- _lastDropped = ns.toString();
}
+}
- void Top::cloneMap(Top::UsageMap& out) const {
- stdx::lock_guard<SimpleMutex> lk(_lock);
- out = _usage;
- }
+void Top::collectionDropped(StringData ns) {
+ stdx::lock_guard<SimpleMutex> lk(_lock);
+ _usage.erase(ns);
+ _lastDropped = ns.toString();
+}
- void Top::append( BSONObjBuilder& b ) {
- stdx::lock_guard<SimpleMutex> lk( _lock );
- _appendToUsageMap( b, _usage );
- }
+void Top::cloneMap(Top::UsageMap& out) const {
+ stdx::lock_guard<SimpleMutex> lk(_lock);
+ out = _usage;
+}
- void Top::_appendToUsageMap( BSONObjBuilder& b, const UsageMap& map ) const {
- // pull all the names into a vector so we can sort them for the user
+void Top::append(BSONObjBuilder& b) {
+ stdx::lock_guard<SimpleMutex> lk(_lock);
+ _appendToUsageMap(b, _usage);
+}
- vector<string> names;
- for ( UsageMap::const_iterator i = map.begin(); i != map.end(); ++i ) {
- names.push_back( i->first );
- }
+void Top::_appendToUsageMap(BSONObjBuilder& b, const UsageMap& map) const {
+ // pull all the names into a vector so we can sort them for the user
- std::sort( names.begin(), names.end() );
+ vector<string> names;
+ for (UsageMap::const_iterator i = map.begin(); i != map.end(); ++i) {
+ names.push_back(i->first);
+ }
- for ( size_t i=0; i<names.size(); i++ ) {
- BSONObjBuilder bb( b.subobjStart( names[i] ) );
+ std::sort(names.begin(), names.end());
- const CollectionData& coll = map.find(names[i])->second;
+ for (size_t i = 0; i < names.size(); i++) {
+ BSONObjBuilder bb(b.subobjStart(names[i]));
- _appendStatsEntry( b, "total", coll.total );
+ const CollectionData& coll = map.find(names[i])->second;
- _appendStatsEntry( b, "readLock", coll.readLock );
- _appendStatsEntry( b, "writeLock", coll.writeLock );
+ _appendStatsEntry(b, "total", coll.total);
- _appendStatsEntry( b, "queries", coll.queries );
- _appendStatsEntry( b, "getmore", coll.getmore );
- _appendStatsEntry( b, "insert", coll.insert );
- _appendStatsEntry( b, "update", coll.update );
- _appendStatsEntry( b, "remove", coll.remove );
- _appendStatsEntry( b, "commands", coll.commands );
+ _appendStatsEntry(b, "readLock", coll.readLock);
+ _appendStatsEntry(b, "writeLock", coll.writeLock);
- bb.done();
- }
- }
+ _appendStatsEntry(b, "queries", coll.queries);
+ _appendStatsEntry(b, "getmore", coll.getmore);
+ _appendStatsEntry(b, "insert", coll.insert);
+ _appendStatsEntry(b, "update", coll.update);
+ _appendStatsEntry(b, "remove", coll.remove);
+ _appendStatsEntry(b, "commands", coll.commands);
- void Top::_appendStatsEntry( BSONObjBuilder& b, const char * statsName, const UsageData& map ) const {
- BSONObjBuilder bb( b.subobjStart( statsName ) );
- bb.appendNumber( "time", map.time );
- bb.appendNumber( "count", map.count );
bb.done();
}
+}
+void Top::_appendStatsEntry(BSONObjBuilder& b, const char* statsName, const UsageData& map) const {
+ BSONObjBuilder bb(b.subobjStart(statsName));
+ bb.appendNumber("time", map.time);
+ bb.appendNumber("count", map.count);
+ bb.done();
+}
}