modify Docs

cmd/gossamer/README.md

@@ -75,7 +75,13 @@ Here are the list of basic flags for the `gossamer` command:
 --key: The keypair to use for the node.
 --name: The name of the node.
 --id: The id of the node.
---log-level: The global log level. Supported levels are `crit`, `error`, `warn`, `info`, `debug` and `trace`.
+--log:  Set a logging filter.
+	    Syntax is a list of 'module=logLevel' (comma separated)
+	    e.g. --log sync=debug,core=trace
+	    Modules are global, core, digest, sync, network, rpc, state, runtime, babe, grandpa, wasmer.
+	    Log levels (least to most verbose) are error, warn, info, debug, and trace.
+	    By default, all modules log 'info'.
+	    The global log level can be set with --log global=debug
 --prometheus-port: The port to expose prometheus metrics.
 --retain-blocks: retain number of block from latest block while pruning
 --pruning: The pruning strategy to use. Supported strategiey: `archive`

docs/docs/testing-and-debugging/debugging.md

@@ -22,7 +22,7 @@ grandpa = "trace | debug | info | warn | error | crit"
 ```
 
 ## Logging Global Flags
-```--log value        Supports levels crit (silent) to trce (trace) (default: "info")```
+```--log global=value        Supports levels crit (silent) to trce (trace) (default: "info")```
 
 ## Running node with log level as `DEBUG`
-```./bin/gossamer --config chain/gssmr/config.toml --log debug```
+```./bin/gossamer --config chain/gssmr/config.toml --log global=debug```

docs/docs/usage/command-line.md

@@ -23,17 +23,14 @@ These are the flags that can be used with the `gossamer` command
 --help help for gossamer
 --id Identifier used to identify this node in the network
 --key Key to use for the node
---lbabe Log level for BABE module (default 'info')
---lcore Log level for core module (default 'info')
---ldigest Log level for digest module (default 'info')
---lgrandpa Log level for GRANDPA module (default 'info')
 --listen-addr  Overrides the listen address used for peer to peer networking
---lnetwork Log level for network module (default 'info')
---log Global log level (default 'info')
---lrpc Log level for RPC module (default 'info')
---lruntime Log level for runtime module (default 'info')
---lstate Log level for state module (default 'info')
---lsync Log level for sync module (default 'info')
+--log:  Set a logging filter.
+	    Syntax is a list of 'module=logLevel' (comma separated)
+	    e.g. --log sync=debug,core=trace
+	    Modules are global, core, digest, sync, network, rpc, state, runtime, babe, grandpa, wasmer.
+	    Log levels (least to most verbose) are error, warn, info, debug, and trace.
+	    By default, all modules log 'info'.
+	    The global log level can be set with --log global=debug
 --max-peers Maximum number of peers to connect to (default 50)
 --min-peers Minimum number of peers to connect to (default 5)
 --name Name of the node