Added links to dashboards

Author: anton-bobkov

ydb/docs/en/core/dev/troubleshooting/performance/hardware/_includes/cpu-bottleneck.md

@@ -1,6 +1,6 @@
 1. Analyze CPU utilization in all pools:
 
-    1. Open the **CPU** dashboard in Grafana.
+    1. Open the **[CPU](../../../../../reference/observability/metrics/grafana-dashboards.md#cpu)** dashboard in Grafana.
 
     1. See if the following charts show any spikes:
 

ydb/docs/en/core/dev/troubleshooting/performance/index.md

@@ -7,6 +7,9 @@ Addressing database performance issues often requires a holistic approach, which
 Troubleshooting performance issues in {{ ydb-short-name }} involves the following tools:
 
 - [{{ ydb-short-name }} metrics](../../../reference/observability/metrics/index.md)
+
+    Diagnistic steps for most performance issues involve analyzing [Grafana dashboards](../../../reference/observability/metrics/grafana-dashboards.md) that use {{ ydb-short-name }} metrics collected by Prometheus. For information on installing Grafana and Prometheus, see [{#T}](../../../devops/manual/monitoring.md).
+
 - [{{ ydb-short-name }} logs](../../../devops/manual/logging.md)
 - [Tracing](../../../reference/observability/tracing/setup.md)
 - [{{ ydb-short-name }} CLI](../../../reference/ydb-cli/index.md)

ydb/docs/en/core/dev/troubleshooting/performance/ydb/_includes/tablets-moved.md

@@ -1,4 +1,4 @@
-1. See if the **Tablets moved by Hive** chart in the **DB status** Grafana dashboard shows any spikes.
+1. See if the **Tablets moved by Hive** chart in the **[DB status](../../../../../reference/observability/metrics/grafana-dashboards.md#dbstatus)** Grafana dashboard shows any spikes.
 
     ![](../_assets/tablets-moved.png)
 

ydb/docs/en/core/reference/observability/metrics/grafana-dashboards.md

@@ -6,6 +6,8 @@ This page describes Grafana dashboards for {{ ydb-short-name }}. For information
 
 General database dashboard.
 
+Download the [dbstatus.json](https://raw.githubusercontent.com/ydb-platform/ydb/refs/heads/main/ydb/deploy/helm/ydb-prometheus/dashboards/dbstatus.json) file with the **DB status** dashboard.
+
 ## Actors {#actors}
 
 CPU utilization in an actor system.
@@ -17,6 +19,21 @@ CPU utilization in an actor system.
 | CPU | CPU utilization in different execution pools (by actor type) |
 | Events | Actor system event handling metrics |
 
+Download the [actors.json](https://raw.githubusercontent.com/ydb-platform/ydb/refs/heads/main/ydb/deploy/helm/ydb-prometheus/dashboards/actors.json) file with the **Actors** dashboard.
+
+## CPU {#cpu}
+
+CPU utilization in execution pools.
+
+| Name | Description |
+|---|---|
+| CPU by execution pool | CPU utilization in different execution pools across all nodes, microseconds per second (one million indicates utilization of a single core) |
+| Actor count | Number of actors (by actor type) |
+| CPU | CPU utilization in each execution pool |
+| Events | Event handling metrics in each execution pool |
+
+Download the [cpu.json](https://raw.githubusercontent.com/ydb-platform/ydb/refs/heads/main/ydb/deploy/helm/ydb-prometheus/dashboards/cpu.json) file with the **CPU** dashboard.
+
 ## gRPC {#grpc}
 
 gRPC layer metrics.
@@ -31,6 +48,8 @@ gRPC layer metrics.
 | Requests in flight | Number of requests that a database is simultaneously handling (by gRPC method type) |
 | Request bytes in flight | Size of requests that a database is simultaneously handling (by gRPC method type) |
 
+Download the [grpc.json](https://raw.githubusercontent.com/ydb-platform/ydb/refs/heads/main/ydb/deploy/helm/ydb-prometheus/dashboards/grpc.json) file with the **gRPC API** dashboard.
+
 ## Query engine {#queryengine}
 
 Information about the query engine.
@@ -44,6 +63,8 @@ Information about the query engine.
 | Sessions | Information about running sessions |
 | Latencies | Request execution time histograms for different types of requests |
 
+Download the [queryengine.json](https://raw.githubusercontent.com/ydb-platform/ydb/refs/heads/main/ydb/deploy/helm/ydb-prometheus/dashboards/queryengine.json) file with the **Query engine** dashboard.
+
 ## TxProxy {#txproxy}
 
 Information about transactions from the DataShard transaction proxy layer.
@@ -53,6 +74,8 @@ Information about transactions from the DataShard transaction proxy layer.
 | Transactions | Datashard transaction metrics |
 | Latencies | Execution time histograms for different stages of datashard transactions |
 
+Download the [txproxy.json](https://raw.githubusercontent.com/ydb-platform/ydb/refs/heads/main/ydb/deploy/helm/ydb-prometheus/dashboards/txproxy.json) file with the **TxProxy** dashboard.
+
 ## DataShard {#datashard}
 
 DataShard tablet metrics.
@@ -66,3 +89,5 @@ DataShard tablet metrics.
 | Compactions | Information about LSM compaction operations performed |
 | ReadSets | Information about ReadSets that are sent when executing a customer transaction |
 | Other | Other metrics |
+
+Download the [datashard.json](https://raw.githubusercontent.com/ydb-platform/ydb/refs/heads/main/ydb/deploy/helm/ydb-prometheus/dashboards/datashard.json) file with the **DataShard** dashboard.