display: Add detailed display state change log

When the display state changes, it was hard to know
which process requested state changing with only pid.
To provide more meaningful log information,
process name logging is added.

Change-Id: Ibcb7033efc4c966f0c152ee91dfaa68a4b27556a
Signed-off-by: Yunhee Seo <yuni.seo@samsung.com>

diff --git a/src/display/display-state-transition.c b/src/display/display-state-transition.c
index 2dfbc35fa2ed98566459db8b858356c352ab9764..8c4975ab17dfc87a948986c4f1500414026f1539 100644 (file)
--- a/src/display/display-state-transition.c
+++ b/src/display/display-state-transition.c
@@ -889,6 +889,7 @@ int display_state_transition_do_proc_change_state(unsigned int cond, pid_t pid)
         */
        enum syscommon_deviced_display_state next;
        const char *state_name = NULL;
+       char pname[PATH_MAX];
        int ret;
 
        ret = syscommon_plugin_deviced_display_proc_change_state(cond, pid);
@@ -905,7 +906,8 @@ int display_state_transition_do_proc_change_state(unsigned int cond, pid_t pid)
 
        next = GET_COND_STATE(cond);
        display_state_get_name(next, &state_name);
-       _I("Change process(%d) state to %s.", pid, state_name);
+       display_misc_get_process_name(pid, pname);
+       _I("Process %s(%d) changes display state to %s.", pname, pid, state_name);
 
        switch (next) {
        case SYSCOMMON_DEVICED_DISPLAY_STATE_ON: