From 24c834bf8cb8d89d5361fa9c26109ba679bbc5a2 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Tue, 15 Sep 2020 17:38:35 +0200
Subject: [PATCH] Don't set sample_max_stack with kernel headers < 4.8.

---
 client/TracySysTrace.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/client/TracySysTrace.cpp b/client/TracySysTrace.cpp
index 44c788d0..6ec574e6 100644
--- a/client/TracySysTrace.cpp
+++ b/client/TracySysTrace.cpp
@@ -594,6 +594,7 @@ void SysTraceSendExternalName( uint64_t thread )
 #    include <atomic>
 #    include <thread>
 #    include <linux/perf_event.h>
+#    include <linux/version.h>
 #    include <sys/mman.h>
 #    include <sys/ioctl.h>
 
@@ -649,7 +650,9 @@ static void SetupSampling( int64_t& samplingPeriod )
 
     pe.sample_freq = 10000;
     pe.sample_type = PERF_SAMPLE_TID | PERF_SAMPLE_TIME | PERF_SAMPLE_CALLCHAIN;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION( 4, 8, 0 )
     pe.sample_max_stack = 127;
+#endif
     pe.exclude_callchain_kernel = 1;
 
     pe.disabled = 1;