diff --git a/util/machine.c b/util/machine.c
index 32d5049..13b7cb3 100644
--- a/util/machine.c
+++ b/util/machine.c
@@ -2181,6 +2181,10 @@ static int thread__resolve_callchain_unwind(struct thread *thread,
 					    struct perf_sample *sample,
 					    int max_stack)
 {
+    FILE* log = fopen("/tmp/perflog", "a");
+    fprintf(log, "## thread__resolve_callchain_unwind\n");
+    fclose(log);
+
 	/* Can we do dwarf post unwind? */
 	if (!((evsel->attr.sample_type & PERF_SAMPLE_REGS_USER) &&
 	      (evsel->attr.sample_type & PERF_SAMPLE_STACK_USER)))
diff --git a/util/unwind-libunwind-local.c b/util/unwind-libunwind-local.c
index 5017bb4..29e68fc 100644
--- a/util/unwind-libunwind-local.c
+++ b/util/unwind-libunwind-local.c
@@ -705,6 +705,11 @@ static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb,
 	unw_cursor_t c;
 	int ret, i = 0;
 
+    FILE* log = fopen("/tmp/perflog", "a");
+    fprintf(log, "## get_entries - we're here!\n");
+    fclose(log);
+
+
 	ret = perf_reg_value(&val, &ui->sample->user_regs,
 			     LIBUNWIND__ARCH_REG_IP);
 	if (ret)
diff --git a/util/unwind-libunwind.c b/util/unwind-libunwind.c
index b029a5e..c43044c 100644
--- a/util/unwind-libunwind.c
+++ b/util/unwind-libunwind.c
@@ -78,6 +78,9 @@ int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
 			 struct thread *thread,
 			 struct perf_sample *data, int max_stack)
 {
+    FILE* log = fopen("/tmp/perflog", "a");
+    fprintf(log, "## Getting entries\n");
+    fclose(log);
 	if (thread->unwind_libunwind_ops)
 		return thread->unwind_libunwind_ops->get_entries(cb, arg, thread, data, max_stack);
 	return 0;