core: Introduce task_timers_entry

This one will hold all info about timers in the core_entry.
Since timers are always per-task, this one is on task core
entry.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

protobuf/core.proto

@@ -3,6 +3,7 @@ import "core-arm.proto";
 import "core-aarch64.proto";
 
 import "rlimit.proto";
+import "timer.proto";
 
 message task_core_entry {
 	required uint32			task_state	= 1;
@@ -13,6 +14,8 @@ message task_core_entry {
 	required uint64			blk_sigset	= 5;
 
 	required string			comm		= 6;
+
+	optional task_timers_entry	timers		= 7;
 }
 
 message task_kobj_ids_entry {

protobuf/timer.proto

@@ -18,3 +18,6 @@ message posix_timer_entry {
 	required uint64		vsec		= 9;
 	required uint64		vnsec		= 10;
 }
+
+message task_timers_entry {
+}

pstree.c

@@ -39,6 +39,7 @@ CoreEntry *core_entry_alloc(int th, int tsk)
 			sz += sizeof(TaskRlimitsEntry);
 			sz += RLIM_NLIMITS * sizeof(RlimitEntry *);
 			sz += RLIM_NLIMITS * sizeof(RlimitEntry);
+			sz += sizeof(TaskTimersEntry);
 		}
 	}
 	if (th)
@@ -71,6 +72,9 @@ CoreEntry *core_entry_alloc(int th, int tsk)
 					rls->rlimits[i] = xptr_pull(&m, RlimitEntry);
 					rlimit_entry__init(rls->rlimits[i]);
 				}
+
+				core->tc->timers = xptr_pull(&m, TaskTimersEntry);
+				task_timers_entry__init(core->tc->timers);
 			}
 		}