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## This Source Code Form is subject to the terms of the Mozilla Public
## License, v. 2.0. If a copy of the MPL was not distributed with this
## file, You can obtain one at https://mozilla.org/MPL/2.0/.
##
## Copyright (c) 2007-2020 VMware, Inc. or its affiliates. All rights reserved.
defmodule RabbitMQ.CLI.Diagnostics.Commands.RuntimeThreadStatsCommand do
alias RabbitMQ.CLI.Core.DocGuide
@behaviour RabbitMQ.CLI.CommandBehaviour
def switches(), do: [sample_interval: :integer]
def aliases(), do: [i: :sample_interval]
def merge_defaults(args, opts) do
{args, Map.merge(%{sample_interval: 5}, opts)}
end
use RabbitMQ.CLI.Core.AcceptsNoPositionalArguments
use RabbitMQ.CLI.Core.RequiresRabbitAppRunning
def run([], %{node: node_name, timeout: timeout, sample_interval: interval}) do
case :rabbit_misc.rpc_call(
node_name,
:rabbit_runtime,
:msacc_stats,
[interval * 1000],
timeout
) do
{:ok, stats} -> stats
other -> other
end
end
def output(result, %{formatter: "json"}) when is_list(result) do
{:error, "JSON formatter is not supported by this command"}
end
def output(result, %{formatter: "csv"}) when is_list(result) do
{:error, "CSV formatter is not supported by this command"}
end
def output(result, _options) when is_list(result) do
{:ok, result}
end
def help_section(), do: :observability_and_health_checks
def description(), do: "Provides a breakdown of runtime thread activity stats on the target node"
def usage, do: "runtime_thread_stats [--sample-interval <interval>]"
def usage_additional() do
[
["--sample-interval <seconds>", "sampling interval to use in seconds"]
]
end
def usage_doc_guides() do
[
DocGuide.runtime_tuning()
]
end
def banner([], %{node: node_name, sample_interval: interval}) do
"Will collect runtime thread stats on #{node_name} for #{interval} seconds..."
end
def formatter(), do: RabbitMQ.CLI.Formatters.Msacc
end
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