From 2b9fab728dbe9bc3590473a68df5bdddf17cdb56 Mon Sep 17 00:00:00 2001
From: lifr <lifr@google.com>
Date: Sat, 20 Jul 2019 15:28:28 +0800
Subject: [PATCH] Add one field(sampling_rate_denom) in NetworkDnsEventReported
 for recording sample rate.

The sample rate of DNS stats(to statsd) is 1/sampling_rate_denom.

Bug: 133111380
Test: ./out/host/linux-x86/bin/statsd_testdrive 116
Change-Id: I85acc8cb8ec4c38e95f7e97b0dd8da1294d9ceb3
---
 cmds/statsd/src/atoms.proto | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cmds/statsd/src/atoms.proto b/cmds/statsd/src/atoms.proto
index 1254f1a3afa09..f9b6219747f78 100644
--- a/cmds/statsd/src/atoms.proto
+++ b/cmds/statsd/src/atoms.proto
@@ -2871,6 +2871,9 @@ message NetworkDnsEventReported {
     // Additional pass-through fields opaque to statsd.
     // The DNS resolver Mainline module can add new fields here without requiring an OS update.
     optional android.stats.dnsresolver.DnsQueryEvents dns_query_events = 8 [(log_mode) = MODE_BYTES];
+
+    // The sample rate of DNS stats (to statsd) is 1/sampling_rate_denom.
+    optional int32 sampling_rate_denom = 9;
 }
 
 /**