From: Ben Peart <benpeart@xxxxxxxxxxxxx>
Add tracing around initializing and discarding mempools. In discard report
on the amount of memory unused in the current block to help tune setting
the initial_size.
Signed-off-by: Ben Peart <benpeart@xxxxxxxxxxxxx>
---
Notes:
Base Ref: * git-trace-mempool
Web-Diff: https://github.com/benpeart/git/commit/9ac84bbca2
Checkout: git fetch https://github.com/benpeart/git git-trace-mempool-v1 && git checkout 9ac84bbca2
mem-pool.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/mem-pool.c b/mem-pool.c
index a2841a4a9a..065389aaec 100644
--- a/mem-pool.c
+++ b/mem-pool.c
@@ -5,6 +5,7 @@
#include "cache.h"
#include "mem-pool.h"
+static struct trace_key trace_mem_pool = TRACE_KEY_INIT(MEMPOOL);
#define BLOCK_GROWTH_SIZE 1024*1024 - sizeof(struct mp_block);
/*
@@ -48,12 +49,16 @@ void mem_pool_init(struct mem_pool **mem_pool, size_t initial_size)
mem_pool_alloc_block(pool, initial_size, NULL);
*mem_pool = pool;
+ trace_printf_key(&trace_mem_pool, "mem_pool (%p): init (%"PRIuMAX") initial size\n",
+ pool, (uintmax_t)initial_size);
}
void mem_pool_discard(struct mem_pool *mem_pool, int invalidate_memory)
{
struct mp_block *block, *block_to_free;
+ trace_printf_key(&trace_mem_pool, "mem_pool (%p): discard (%"PRIuMAX") unused\n",
+ mem_pool, (uintmax_t)(mem_pool->mp_block->end - mem_pool->mp_block->next_free));
block = mem_pool->mp_block;
while (block)
{
base-commit: bb75be6cb916297f271c846f2f9caa3daaaec718
--
2.18.0.windows.1
