libpagemap: add pm_process_usage_flags
Add pm_process_usage flags to get memory usage by a process, only
counting pages with specified flags set.
Change-Id: I900b673ddbb5ae92312773a8670dd59769617268
diff --git a/libpagemap/pm_process.c b/libpagemap/pm_process.c
index c9aa8ca..73c9649 100644
--- a/libpagemap/pm_process.c
+++ b/libpagemap/pm_process.c
@@ -69,7 +69,9 @@
return 0;
}
-int pm_process_usage(pm_process_t *proc, pm_memusage_t *usage_out) {
+int pm_process_usage_flags(pm_process_t *proc, pm_memusage_t *usage_out,
+ uint64_t flags_mask, uint64_t required_flags)
+{
pm_memusage_t usage, map_usage;
int error;
int i;
@@ -80,7 +82,8 @@
pm_memusage_zero(&usage);
for (i = 0; i < proc->num_maps; i++) {
- error = pm_map_usage(proc->maps[i], &map_usage);
+ error = pm_map_usage_flags(proc->maps[i], &map_usage, flags_mask,
+ required_flags);
if (error) return error;
pm_memusage_add(&usage, &map_usage);
@@ -89,6 +92,11 @@
memcpy(usage_out, &usage, sizeof(pm_memusage_t));
return 0;
+
+}
+
+int pm_process_usage(pm_process_t *proc, pm_memusage_t *usage_out) {
+ return pm_process_usage_flags(proc, usage_out, 0, 0);
}
int pm_process_pagemap_range(pm_process_t *proc,