From f34609fd9baf58b3cd7d62e2c1738aac568f33e1 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Sun, 3 Nov 2019 21:52:20 +0100
Subject: [PATCH] Set per-cpu kernel buffer size to 512 KB.

The default setting was causing events to be lost on Android.
---
 client/TracySysTrace.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/client/TracySysTrace.cpp b/client/TracySysTrace.cpp
index 452ef29f..7c59730e 100644
--- a/client/TracySysTrace.cpp
+++ b/client/TracySysTrace.cpp
@@ -353,6 +353,7 @@ static const char TraceOptions[] = "trace_options";
 static const char TraceClock[] = "trace_clock";
 static const char SchedSwitch[] = "events/sched/sched_switch/enable";
 static const char SchedWakeup[] = "events/sched/sched_wakeup/enable";
+static const char BufferSizeKb[] = "buffer_size_kb";
 static const char TracePipe[] = "trace_pipe";
 
 #ifdef __ANDROID__
@@ -442,6 +443,7 @@ bool SysTraceStart()
 #endif
     if( !TraceWrite( SchedSwitch, sizeof( SchedSwitch ), "1", 2 ) ) return false;
     if( !TraceWrite( SchedWakeup, sizeof( SchedWakeup ), "1", 2 ) ) return false;
+    if( !TraceWrite( BufferSizeKb, sizeof( BufferSizeKb ), "512", 4 ) ) return false;
 
 #if defined __ANDROID__ && ( defined __aarch64__ || defined __ARM_ARCH )
     SysTraceInjectPayload();