Add a flag to disable sending debug info to Parca server

Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com>

README.md

@@ -87,14 +87,15 @@ Flags:
                                   Pods to select.
       --systemd-units=SYSTEMD-UNITS,...
                                   systemd units to profile on this node.
-      --temp-dir="/tmp"           Temporary directory path to use for object
-                                  files.
+      --temp-dir="/tmp"           Temporary directory path to use for processing
+                                  object files.
       --socket-path=STRING        The filesystem path to the container runtimes
                                   socket. Leave this empty to use the defaults.
       --profiling-duration=10s    The agent profiling duration to use. Leave
                                   this empty to use the defaults.
       --systemd-cgroup-path=STRING
                                   The cgroupfs path to a systemd slice.
+      --debug-info-disable        Disable debuginfo collection.
 ```
 
 ### systemd

cmd/parca-agent/main.go

@@ -1,4 +1,4 @@
-// Copyright 2021 The Parca Authors
+// Copyright (c) 2022 The Parca Authors
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
@@ -10,6 +10,7 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+//
 
 package main
 
@@ -75,10 +76,11 @@ type flags struct {
 	Kubernetes         bool              `kong:"help='Discover containers running on this node to profile automatically.',default='true'"`
 	PodLabelSelector   string            `kong:"help='Label selector to control which Kubernetes Pods to select.'"`
 	SystemdUnits       []string          `kong:"help='systemd units to profile on this node.'"`
-	TempDir            string            `kong:"help='Temporary directory path to use for object files.',default='/tmp'"`
+	TempDir            string            `kong:"help='Temporary directory path to use for processing object files.',default='/tmp'"`
 	SocketPath         string            `kong:"help='The filesystem path to the container runtimes socket. Leave this empty to use the defaults.'"`
 	ProfilingDuration  time.Duration     `kong:"help='The agent profiling duration to use. Leave this empty to use the defaults.',default='10s'"`
 	SystemdCgroupPath  string            `kong:"help='The cgroupfs path to a systemd slice.'"`
+	DebugInfoDisable   bool              `kong:"help='Disable debuginfo collection.',default='false'"`
 }
 
 func externalLabels(flagExternalLabels map[string]string, flagNode string) model.LabelSet {
@@ -130,7 +132,10 @@ func main() {
 
 		// Initialize actual clients with the connection.
 		profileStoreClient = profilestorepb.NewProfileStoreServiceClient(conn)
-		debugInfoClient = parcadebuginfo.NewDebugInfoClient(conn)
+		if !flags.DebugInfoDisable {
+			level.Info(logger).Log("msg", "Debug information collection is enabled")
+			debugInfoClient = parcadebuginfo.NewDebugInfoClient(conn)
+		}
 	}
 
 	var (

deploy/lib/parca-agent/parca-agent.libsonnet

@@ -19,6 +19,8 @@ local defaults = {
   insecure: false,
   insecureSkipVerify: false,
 
+  debugInfoDisable: false,
+
   samplingRatio: 0.0,
 
   commonLabels:: {
@@ -215,6 +217,10 @@ function(params) {
         if pa.config.insecureSkipVerify then [
           '--insecure-skip-verify',
         ] else []
+      ) + (
+        if pa.config.debugInfoDisable then [
+          '--debug-info-disable',
+        ] else []
       ) + (
         if pa.config.tempDir != '' then [
           '--temp-dir=' + pa.config.tempDir,