some comment

1 files changed, 10 insertions, 9 deletions

diff --git a/SOURCE/module/kernel/load.c b/SOURCE/module/kernel/load.c
index 9226117..4e28d91 100755
--- a/SOURCE/module/kernel/load.c
+++ b/SOURCE/module/kernel/load.c
@@ -219,18 +219,19 @@ void diag_load_timer(struct diag_percpu_context *context)
 #else
 			if ((p->__state == TASK_RUNNING) || task_contributes_to_load2(p)) {
 #endif
-				tsk_info.et_type = et_load_monitor_task;
+				tsk_info.et_type = et_load_monitor_task; // task info to 
 				tsk_info.id = event_id;
 				tsk_info.tv = detail.tv;
-				diag_task_brief(p, &tsk_info.task);
-				diag_task_kern_stack(p, &tsk_info.kern_stack);
-				dump_proc_chains_argv(load_monitor_settings.style, &mm_tree, p, &tsk_info.proc_chains);
-				diag_variant_buffer_spin_lock(&load_monitor_variant_buffer, flags);
-				diag_variant_buffer_reserve(&load_monitor_variant_buffer, sizeof(struct load_monitor_task));
+				diag_task_brief(p, &tsk_info.task); //task 相关信息
+				diag_task_kern_stack(p, &tsk_info.kern_stack); // 内核栈相关信息
+				dump_proc_chains_argv(load_monitor_settings.style, &mm_tree, p, &tsk_info.proc_chains); // 进程链相关信息
+
+				diag_variant_buffer_spin_lock(&load_monitor_variant_buffer, flags); // &获取 load_monitor_variant_buffer 的 spin_lock
+				diag_variant_buffer_reserve(&load_monitor_variant_buffer, sizeof(struct load_monitor_task));//
 				diag_variant_buffer_write_nolock(&load_monitor_variant_buffer,
-					&tsk_info, sizeof(struct load_monitor_task));
-				diag_variant_buffer_seal(&load_monitor_variant_buffer);
-				diag_variant_buffer_spin_unlock(&load_monitor_variant_buffer, flags);
+					&tsk_info, sizeof(struct load_monitor_task)); // tsk_info 写入 load_monitor_variant_buffer
+				diag_variant_buffer_seal(&load_monitor_variant_buffer); // 已写入
+				diag_variant_buffer_spin_unlock(&load_monitor_variant_buffer, flags); // &释放 load_monitor_variant_buffer 的 spin_lock
 			}
 		} while_each_thread(g, p);
 		rcu_read_unlock();