From 2bc51c5c3215398875c04456a3f3df1c07b830b5 Mon Sep 17 00:00:00 2001
From: Arnab Sen <arnabsen1729@gmail.com>
Date: Fri, 3 Sep 2021 22:08:53 +0530
Subject: [tracing] tracepoints to utxocache add, spent and uncache

Signed-off-by: Arnab Sen <arnabsen1729@gmail.com>
---
 src/coins.cpp      | 19 +++++++++++++++++++
 src/validation.cpp | 13 ++++++-------
 2 files changed, 25 insertions(+), 7 deletions(-)

(limited to 'src')

diff --git a/src/coins.cpp b/src/coins.cpp
index ce0b131de6..daead6055e 100644
--- a/src/coins.cpp
+++ b/src/coins.cpp
@@ -7,6 +7,7 @@
 #include <consensus/consensus.h>
 #include <logging.h>
 #include <random.h>
+#include <util/trace.h>
 #include <version.h>
 
 bool CCoinsView::GetCoin(const COutPoint &outpoint, Coin &coin) const { return false; }
@@ -95,6 +96,12 @@ void CCoinsViewCache::AddCoin(const COutPoint &outpoint, Coin&& coin, bool possi
     it->second.coin = std::move(coin);
     it->second.flags |= CCoinsCacheEntry::DIRTY | (fresh ? CCoinsCacheEntry::FRESH : 0);
     cachedCoinsUsage += it->second.coin.DynamicMemoryUsage();
+    TRACE5(utxocache, add,
+           outpoint.hash.data(),
+           (uint32_t)outpoint.n,
+           (uint32_t)coin.nHeight,
+           (int64_t)coin.out.nValue,
+           (bool)coin.IsCoinBase());
 }
 
 void CCoinsViewCache::EmplaceCoinInternalDANGER(COutPoint&& outpoint, Coin&& coin) {
@@ -120,6 +127,12 @@ bool CCoinsViewCache::SpendCoin(const COutPoint &outpoint, Coin* moveout) {
     CCoinsMap::iterator it = FetchCoin(outpoint);
     if (it == cacheCoins.end()) return false;
     cachedCoinsUsage -= it->second.coin.DynamicMemoryUsage();
+    TRACE5(utxocache, spent,
+           outpoint.hash.data(),
+           (uint32_t)outpoint.n,
+           (uint32_t)it->second.coin.nHeight,
+           (int64_t)it->second.coin.out.nValue,
+           (bool)it->second.coin.IsCoinBase());
     if (moveout) {
         *moveout = std::move(it->second.coin);
     }
@@ -231,6 +244,12 @@ void CCoinsViewCache::Uncache(const COutPoint& hash)
     CCoinsMap::iterator it = cacheCoins.find(hash);
     if (it != cacheCoins.end() && it->second.flags == 0) {
         cachedCoinsUsage -= it->second.coin.DynamicMemoryUsage();
+        TRACE5(utxocache, uncache,
+               hash.hash.data(),
+               (uint32_t)hash.n,
+               (uint32_t)it->second.coin.nHeight,
+               (int64_t)it->second.coin.out.nValue,
+               (bool)it->second.coin.IsCoinBase());
         cacheCoins.erase(it);
     }
 }
diff --git a/src/validation.cpp b/src/validation.cpp
index 7a14218b5c..86d2ae7577 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -2102,13 +2102,12 @@ bool CChainState::FlushStateToDisk(
             full_flush_completed = true;
         }
         TRACE6(utxocache, flush,
-            (int64_t)(GetTimeMicros() - nNow.count()), // in microseconds (µs)
-            (u_int32_t)mode,
-            (u_int64_t)coins_count,
-            (u_int64_t)coins_mem_usage,
-            (bool)fFlushForPrune,
-            (bool)fDoFullFlush
-        );
+               (int64_t)(GetTimeMicros() - nNow.count()), // in microseconds (µs)
+               (u_int32_t)mode,
+               (u_int64_t)coins_count,
+               (u_int64_t)coins_mem_usage,
+               (bool)fFlushForPrune,
+               (bool)fDoFullFlush);
     }
     if (full_flush_completed) {
         // Update best block in wallet (so we can detect restored wallets).
-- 
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