resource: system: Add is_supported ops for memory pressure level attribute

Change-Id: I5730b241965213563552f37ea5aa670968e5eaed
Signed-off-by: Dongwoo Lee <dwoo08.lee@samsung.com>

diff --git a/src/resource/resource-system.c b/src/resource/resource-system.c
index 7148ffb..b9f6fec 100644 (file)
--- a/src/resource/resource-system.c
+++ b/src/resource/resource-system.c
@@ -260,6 +260,12 @@ static int system_get_memory_pressure_level(int resource_id,
        return 0;
 }
 
+static bool system_memory_pressure_level_is_supported(int resource_id,
+               const struct syscommon_resman_resource_attribute *attr)
+{
+       return !access(PSI_MEMORY_GLOBAL, W_OK);
+}
+
 static void
 system_handle_psi_listener(int resource_id,
                           const struct syscommon_resman_resource_attribute *attr,
@@ -457,6 +463,7 @@ static const struct syscommon_resman_resource_attribute system_attrs[] = {
                .flag   = SYSCOMMON_RESMAN_RESOURCE_ATTR_FLAG_PUBLIC,
                .ops    = {
                        .get = system_get_memory_pressure_level,
+                       .is_supported = system_memory_pressure_level_is_supported,
                },
                .listener_ops = {
                        .init = system_init_psi_listener,