From bcfc4c8d7dc70bd81367c183a68cc9ee02ab4744 Mon Sep 17 00:00:00 2001
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From: Khem Raj <raj.khem@gmail.com>
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Date: Fri, 28 May 2021 17:52:57 -0700
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Subject: [PATCH] track: Check for unw_set_caching_policy before using
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llvm libunwind does not implement unw_cache_* functions yet
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Include inttypes.h got PRI* macros
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Upstream-Status: Submitted [https://github.com/KDE/heaptrack/pull/33]
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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---
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src/track/trace_libunwind.cpp | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/src/track/trace_libunwind.cpp b/src/track/trace_libunwind.cpp
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index c76337c..96b2176 100644
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--- a/src/track/trace_libunwind.cpp
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+++ b/src/track/trace_libunwind.cpp
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@@ -26,6 +26,7 @@
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#define UNW_LOCAL_ONLY
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#include <libunwind.h>
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+#include <inttypes.h>
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#include <stdio.h>
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@@ -60,9 +61,11 @@ void Trace::print()
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void Trace::setup()
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{
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// configure libunwind for better speed
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+#if UNW_CACHE_PER_THREAD
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if (unw_set_caching_policy(unw_local_addr_space, UNW_CACHE_PER_THREAD)) {
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fprintf(stderr, "WARNING: Failed to enable per-thread libunwind caching.\n");
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}
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+#endif
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#if LIBUNWIND_HAS_UNW_SET_CACHE_SIZE
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if (unw_set_cache_size(unw_local_addr_space, 1024, 0)) {
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fprintf(stderr, "WARNING: Failed to set libunwind cache size.\n");
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--
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2.31.1
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