[Counters] Improve performance by polling only configured ports buffer queue/pg counters

orchagent/bufferorch.cpp

@@ -1,5 +1,6 @@
 #include "tokenize.h"
 #include "bufferorch.h"
+#include "directory.h"
 #include "logger.h"
 #include "sai_serialize.h"
 #include "warm_restart.h"
@@ -16,6 +17,7 @@ extern sai_switch_api_t *sai_switch_api;
 extern sai_buffer_api_t *sai_buffer_api;
 
 extern PortsOrch *gPortsOrch;
+extern Directory<Orch*> gDirectory;
 extern sai_object_id_t gSwitchId;
 
 #define BUFFER_POOL_WATERMARK_FLEX_STAT_COUNTER_POLL_MSECS  "60000"
@@ -948,6 +950,20 @@ task_process_status BufferOrch::processQueue(KeyOpFieldsValuesTuple &tuple)
                         return handle_status;
                     }
                 }
+                // create/remove a port queue counter for the queue buffer
+                else
+                {
+                    auto flexCounterOrch = gDirectory.get<FlexCounterOrch*>();
+                    auto queues = tokens[1];
+                    if (op == SET_COMMAND && flexCounterOrch->getQueueCountersState())
+                    {
+                        gPortsOrch->createPortBufferQueueCounters(port, queues);
+                    }
+                    else if (op == DEL_COMMAND && flexCounterOrch->getQueueCountersState())
+                    {
+                        gPortsOrch->removePortBufferQueueCounters(port, queues);
+                    }
+                }
             }
         }
     }
@@ -1007,7 +1023,7 @@ task_process_status BufferOrch::processPriorityGroup(KeyOpFieldsValuesTuple &tup
     if (op == SET_COMMAND)
     {
         ref_resolve_status  resolve_result = resolveFieldRefValue(m_buffer_type_maps, buffer_profile_field_name,
-                                             buffer_to_ref_table_map.at(buffer_profile_field_name), tuple, 
+                                             buffer_to_ref_table_map.at(buffer_profile_field_name), tuple,
                                              sai_buffer_profile, buffer_profile_name);
         if (ref_resolve_status::success != resolve_result)
         {
@@ -1087,6 +1103,20 @@ task_process_status BufferOrch::processPriorityGroup(KeyOpFieldsValuesTuple &tup
                             return handle_status;
                         }
                     }
+                    // create or remove a port PG counter for the PG buffer
+                    else
+                    {
+                        auto flexCounterOrch = gDirectory.get<FlexCounterOrch*>();
+                        auto pgs = tokens[1];
+                        if (op == SET_COMMAND && flexCounterOrch->getPgWatermarkCountersState())
+                        {
+                            gPortsOrch->createPortBufferPgCounters(port, pgs);
+                        }
+                        else if (op == DEL_COMMAND && flexCounterOrch->getPgWatermarkCountersState())
+                        {
+                            gPortsOrch->removePortBufferPgCounters(port, pgs);
+                        }
+                    }
                 }
             }
         }

orchagent/flexcounterorch.cpp

@@ -10,6 +10,7 @@
 #include "debugcounterorch.h"
 #include "directory.h"
 #include "copporch.h"
+#include <swss/tokenize.h>
 #include "routeorch.h"
 #include "flowcounterrouteorch.h"
 
@@ -58,6 +59,8 @@ unordered_map<string, string> flexCounterGroupMap =
 FlexCounterOrch::FlexCounterOrch(DBConnector *db, vector<string> &tableNames):
     Orch(db, tableNames),
     m_flexCounterConfigTable(db, CFG_FLEX_COUNTER_TABLE_NAME),
+    m_bufferQueueConfigTable(db, CFG_BUFFER_QUEUE_TABLE_NAME),
+    m_bufferPgConfigTable(db, CFG_BUFFER_PG_TABLE_NAME),
     m_flexCounterDb(new DBConnector("FLEX_COUNTER_DB", 0)),
     m_flexCounterGroupTable(new ProducerTable(m_flexCounterDb.get(), FLEX_COUNTER_GROUP_TABLE))
 {
@@ -144,11 +147,13 @@ void FlexCounterOrch::doTask(Consumer &consumer)
                         }
                         else if(key == QUEUE_KEY)
                         {
-                            gPortsOrch->generateQueueMap();
+                            gPortsOrch->generateQueueMap(getQueueConfigurations());
+                            m_queue_enabled = true;
                         }
                         else if(key == PG_WATERMARK_KEY)
                         {
-                            gPortsOrch->generatePriorityGroupMap();
+                            gPortsOrch->generatePriorityGroupMap(getPgConfigurations());
+                            m_pg_watermark_enabled = true;
                         }
                     }
                     if(gIntfsOrch && (key == RIF_KEY) && (value == "enable"))
@@ -224,6 +229,16 @@ bool FlexCounterOrch::getPortBufferDropCountersState() const
     return m_port_buffer_drop_counter_enabled;
 }
 
+bool FlexCounterOrch::getPgWatermarkCountersState() const
+{
+    return m_pg_watermark_enabled;
+}
+
+bool FlexCounterOrch::getQueueCountersState() const
+{
+    return m_queue_enabled;
+}
+
 bool FlexCounterOrch::bake()
 {
     /*
@@ -265,3 +280,165 @@ bool FlexCounterOrch::bake()
     Consumer* consumer = dynamic_cast<Consumer *>(getExecutor(CFG_FLEX_COUNTER_TABLE_NAME));
     return consumer->addToSync(entries);
 }
+
+map<string, FlexCounterQueueStates> FlexCounterOrch::getQueueConfigurations()
+{
+    SWSS_LOG_ENTER();
+
+    map<string, FlexCounterQueueStates> queuesStateVector;
+    std::vector<std::string> portQueueKeys;
+    m_bufferQueueConfigTable.getKeys(portQueueKeys);
+
+    for (const auto& portQueueKey : portQueueKeys)
+    {
+        auto toks = tokenize(portQueueKey, '|');
+        if (toks.size() != 2)
+        {
+            SWSS_LOG_ERROR("Invalid BUFFER_QUEUE key: [%s]", portQueueKey.c_str());
+            continue;
+        }
+
+        auto configPortNames = tokenize(toks[0], ',');
+        auto configPortQueues = toks[1];
+        toks = tokenize(configPortQueues, '-');
+
+        for (const auto& configPortName : configPortNames)
+        {
+            uint32_t maxQueueNumber = gPortsOrch->getNumberOfPortSupportedQueueCounters(configPortName);
+            uint32_t maxQueueIndex = maxQueueNumber - 1;
+            uint32_t minQueueIndex = 0;
+
+            if (!queuesStateVector.count(configPortName))
+            {
+                FlexCounterQueueStates flexCounterQueueState(maxQueueNumber);
+                queuesStateVector.insert(make_pair(configPortName, flexCounterQueueState));
+            }
+
+            try {
+                auto startIndex = to_uint<uint32_t>(toks[0], minQueueIndex, maxQueueIndex);
+                if (toks.size() > 1)
+                {
+                    auto endIndex = to_uint<uint32_t>(toks[1], minQueueIndex, maxQueueIndex);
+                    queuesStateVector.at(configPortName).enableQueueCounters(startIndex, endIndex);
+                }
+                else
+                {
+                    queuesStateVector.at(configPortName).enableQueueCounter(startIndex);
+                }
+            } catch (std::invalid_argument const& e) {
+                    SWSS_LOG_ERROR("Invalid queue index [%s] for port [%s]", configPortQueues.c_str(), configPortName.c_str());
+                    continue;
+            }
+        }
+    }
+
+    return queuesStateVector;
+}
+
+map<string, FlexCounterPgStates> FlexCounterOrch::getPgConfigurations()
+{
+    SWSS_LOG_ENTER();
+
+    map<string, FlexCounterPgStates> pgsStateVector;
+    std::vector<std::string> portPgKeys;
+    m_bufferPgConfigTable.getKeys(portPgKeys);
+
+    for (const auto& portPgKey : portPgKeys)
+    {
+        auto toks = tokenize(portPgKey, '|');
+        if (toks.size() != 2)
+        {
+            SWSS_LOG_ERROR("Invalid BUFFER_PG key: [%s]", portPgKey.c_str());
+            continue;
+        }
+
+        auto configPortNames = tokenize(toks[0], ',');
+        auto configPortPgs = toks[1];
+        toks = tokenize(configPortPgs, '-');
+
+        for (const auto& configPortName : configPortNames)
+        {
+            uint32_t maxPgNumber = gPortsOrch->getNumberOfPortSupportedPgCounters(configPortName);
+            uint32_t maxPgIndex = maxPgNumber - 1;
+            uint32_t minPgIndex = 0;
+
+            if (!pgsStateVector.count(configPortName))
+            {
+                FlexCounterPgStates flexCounterPgState(maxPgNumber);
+                pgsStateVector.insert(make_pair(configPortName, flexCounterPgState));
+            }
+
+            try {
+                auto startIndex = to_uint<uint32_t>(toks[0], minPgIndex, maxPgIndex);
+                if (toks.size() > 1)
+                {
+                    auto endIndex = to_uint<uint32_t>(toks[1], minPgIndex, maxPgIndex);
+                    pgsStateVector.at(configPortName).enablePgCounters(startIndex, endIndex);
+                }
+                else
+                {
+                    pgsStateVector.at(configPortName).enablePgCounter(startIndex);
+                }
+            } catch (std::invalid_argument const& e) {
+                    SWSS_LOG_ERROR("Invalid pg index [%s] for port [%s]", configPortPgs.c_str(), configPortName.c_str());
+                    continue;
+            }
+        }
+    }
+
+    return pgsStateVector;
+}
+
+FlexCounterQueueStates::FlexCounterQueueStates(uint32_t maxQueueNumber)
+{
+    SWSS_LOG_ENTER();
+    m_queueStates.resize(maxQueueNumber, false);
+}
+
+bool FlexCounterQueueStates::isQueueCounterEnabled(uint32_t index) const
+{
+    SWSS_LOG_ENTER();
+    return m_queueStates[index];
+}
+
+void FlexCounterQueueStates::enableQueueCounters(uint32_t startIndex, uint32_t endIndex)
+{
+    SWSS_LOG_ENTER();
+    for (uint32_t queueIndex = startIndex; queueIndex <= endIndex; queueIndex++)
+    {
+        enableQueueCounter(queueIndex);
+    }
+}
+
+void FlexCounterQueueStates::enableQueueCounter(uint32_t queueIndex)
+{
+    SWSS_LOG_ENTER();
+    m_queueStates[queueIndex] = true;
+}
+
+FlexCounterPgStates::FlexCounterPgStates(uint32_t maxPgNumber)
+{
+    SWSS_LOG_ENTER();
+    m_pgStates.resize(maxPgNumber, false);
+}
+
+bool FlexCounterPgStates::isPgCounterEnabled(uint32_t index) const
+{
+    SWSS_LOG_ENTER();
+    return m_pgStates[index];
+}
+
+void FlexCounterPgStates::enablePgCounters(uint32_t startIndex, uint32_t endIndex)
+{
+    SWSS_LOG_ENTER();
+    for (uint32_t pgIndex = startIndex; pgIndex <= endIndex; pgIndex++)
+    {
+        enablePgCounter(pgIndex);
+    }
+}
+
+void FlexCounterPgStates::enablePgCounter(uint32_t pgIndex)
+{
+    SWSS_LOG_ENTER();
+    m_pgStates[pgIndex] = true;
+}

orchagent/flexcounterorch.h

@@ -10,6 +10,30 @@ extern "C" {
 #include "sai.h"
 }
 
+class FlexCounterQueueStates
+{
+public:
+    FlexCounterQueueStates(uint32_t maxQueueNumber);
+    bool isQueueCounterEnabled(uint32_t index) const;
+    void enableQueueCounters(uint32_t startIndex, uint32_t endIndex);
+    void enableQueueCounter(uint32_t queueIndex);
+
+private:
+    std::vector<bool> m_queueStates{};
+};
+
+class FlexCounterPgStates
+{
+public:
+    FlexCounterPgStates(uint32_t maxPgNumber);
+    bool isPgCounterEnabled(uint32_t index) const;
+    void enablePgCounters(uint32_t startIndex, uint32_t endIndex);
+    void enablePgCounter(uint32_t pgIndex);
+
+private:
+    std::vector<bool> m_pgStates{};
+};
+
 class FlexCounterOrch: public Orch
 {
 public:
@@ -18,6 +42,10 @@ class FlexCounterOrch: public Orch
     virtual ~FlexCounterOrch(void);
     bool getPortCountersState() const;
     bool getPortBufferDropCountersState() const;
+    bool getPgWatermarkCountersState() const;
+    bool getQueueCountersState() const;
+    map<string, FlexCounterQueueStates> getQueueConfigurations();
+    map<string, FlexCounterPgStates> getPgConfigurations();
     bool getHostIfTrapCounterState() const {return m_hostif_trap_counter_enabled;}
     bool getRouteFlowCountersState() const {return m_route_flow_counter_enabled;}
     bool bake() override;
@@ -27,9 +55,13 @@ class FlexCounterOrch: public Orch
     std::shared_ptr<swss::ProducerTable> m_flexCounterGroupTable = nullptr;
     bool m_port_counter_enabled = false;
     bool m_port_buffer_drop_counter_enabled = false;
+    bool m_pg_watermark_enabled = false;
+    bool m_queue_enabled = false;
     bool m_hostif_trap_counter_enabled = false;
     bool m_route_flow_counter_enabled = false;
     Table m_flexCounterConfigTable;
+    Table m_bufferQueueConfigTable;
+    Table m_bufferPgConfigTable;
 };
 
 #endif