mem logs added

runtime/Makefile

@@ -57,7 +57,7 @@ CFLAGS += -DLOG_TO_FILE
 
 # Various Informational Logs for Debugging
 # CFLAGS += -DLOG_ADMISSIONS_CONTROL
-# CFLAGS += -DLOG_CONTEXT_SWITCHES
+CFLAGS += -DLOG_CONTEXT_SWITCHES
 # CFLAGS += -DLOG_HTTP_PARSER
 CFLAGS += -DLOG_TENANT_LOADING
 # CFLAGS += -DLOG_PREEMPTION
@@ -73,7 +73,7 @@ CFLAGS += -DLOG_STATE_CHANGES
 
 # This dumps per module *.csv files containing the cycle a sandbox has been in RUNNING when each
 # page is allocated. This helps understand the relationship to memory allocation and execution time.
-CFLAGS += -DLOG_SANDBOX_MEMORY_PROFILE
+# CFLAGS += -DLOG_SANDBOX_MEMORY_PROFILE
 
 # This flag enables runtime-level metrics from procfs
 CFLAGS += -DPROC_STAT_METRICS

runtime/include/module.h

@@ -8,6 +8,7 @@
 #include "admissions_control.h"
 #include "admissions_info.h"
 #include "current_wasm_module_instance.h"
+#include "debuglog.h"
 #include "panic.h"
 #include "pool.h"
 #include "sledge_abi_symbols.h"
@@ -211,6 +212,7 @@ module_allocate_linear_memory(struct module *module)
 static inline void
 module_free_linear_memory(struct module *module, struct wasm_memory *memory)
 {
+    debuglog("Sandbox freeing %d memory\n", (int32_t)memory->size);
 	wasm_memory_reinit(memory, module->abi.starting_pages * WASM_PAGE_SIZE);
 	wasm_memory_pool_add_nolock(&module->pools[worker_thread_idx].memory, memory);
 }

runtime/src/sandbox.c

@@ -37,7 +37,8 @@ sandbox_allocate_linear_memory(struct sandbox *sandbox)
 	assert(sandbox != NULL);
 	sandbox->memory = module_allocate_linear_memory(sandbox->module);
 	if (unlikely(sandbox->memory == NULL)) return -1;
-
+	debuglog("Sandbox %lu: of %s %s\n", sandbox->id, sandbox->tenant->name, sandbox->route->route);
+    debuglog("Sandbox initialized with memory %d\n", (int32_t)sandbox->memory->size);
 	return 0;
 }