VARIABLE_MONITOR_TASK_TYPE_SYSTEM

source/module/monitor_kernel_lib.c

@@ -132,13 +132,21 @@ static void push_tskinfo_2_buffer(variable_monitor_task *tsk_info,
   diag_variant_buffer_spin_unlock(&load_monitor_variant_buffer, *flags);
 }
 
-static void push_tskinfo_22_buffer(variable_monitor_task *tsk_info,
-                                  unsigned long *flags) {
-  diag_variant_buffer_reserve(&load_monitor_variant_buffer,
-                              sizeof(variable_monitor_task));
-  diag_variant_buffer_write_nolock(&load_monitor_variant_buffer, tsk_info,
-                                   sizeof(variable_monitor_task));
-  diag_variant_buffer_seal(&load_monitor_variant_buffer);
+static void push_tskinfo_22_buffer(variable_monitor_task *tsk_info, unsigned long *flags){
+  variable_monitor_task_system *tsk_info_system;
+  if (tsk_info->task.sys_task == 0) // system task
+  {
+    tsk_info_system = (variable_monitor_task_system *)tsk_info;
+    diag_variant_buffer_reserve(&load_monitor_variant_buffer, sizeof(variable_monitor_task_system));
+    diag_variant_buffer_write_nolock(&load_monitor_variant_buffer, tsk_info_system,
+                                      sizeof(variable_monitor_task_system));
+    diag_variant_buffer_seal(&load_monitor_variant_buffer);
+  }
+  else {
+    diag_variant_buffer_reserve(&load_monitor_variant_buffer, sizeof(variable_monitor_task));
+    diag_variant_buffer_write_nolock(&load_monitor_variant_buffer, tsk_info, sizeof(variable_monitor_task));
+    diag_variant_buffer_seal(&load_monitor_variant_buffer);
+  }
 }
 
 /// @brief clear all watch and reset kernel_wtimer_list/kernel_wtimer_num

source/module/monitor_trace.h

@@ -22,6 +22,7 @@
 // dump type
 #define VARIABLE_MONITOR_RECORD_TYPE 0x0
 #define VARIABLE_MONITOR_TASK_TYPE 0x1
+#define VARIABLE_MONITOR_TASK_TYPE_SYSTEM 0x2
 
 typedef struct {
   pid_t task_id;               // current process id
@@ -102,6 +103,14 @@ typedef struct {
   raw_stack_detail raw_stack;
 } variable_monitor_task; // main struct
 
+typedef struct {
+  int et_type;
+  unsigned long id;
+  unsigned long long tv;
+  task_detail task; // brief
+  kern_stack_detail kern_stack;   // kernel stack
+} variable_monitor_task_system; 
+
 typedef struct {
   struct radix_tree_root mm_tree;
   spinlock_t mm_tree_lock;

source/ucli/ucli.cc

@@ -91,6 +91,7 @@ static int task_info_extract(void *buf, unsigned int len, void *) {
   int *et_type;
   variable_monitor_record *vm_record;
   variable_monitor_task *tsk_info;
+  variable_monitor_task_system *tsk_info_system;
   struct load_monitor_cpu_run *cpu_run;
   static int seq = 0;
 
@@ -151,8 +152,26 @@ static int task_info_extract(void *buf, unsigned int len, void *) {
     printf("#*        0xffffffffffffff %s (UNKNOWN)\n", tsk_info->task.comm);
     diag_printf_proc_chains(&tsk_info->proc_chains);
     printf("##\n");
+    break;
+  case VARIABLE_MONITOR_TASK_TYPE_SYSTEM:
+    if (len < sizeof(variable_monitor_task_system))
+      break;
+    tsk_info_system = (variable_monitor_task_system *)buf;
+    seq++;
+
+    printf("##CGROUP:[%s]  %d   [%03d]  [%s] state: %d\n",
+           tsk_info_system->task.cgroup_buf, tsk_info_system->task.pid, seq,
+           state_str(tsk_info_system->task.state).c_str(),tsk_info_system->task.state);
+
+    printk_task_brief(&tsk_info_system->task);
+    // system task no need print raw_stack
+    diag_printf_kern_stack(&tsk_info_system->kern_stack);
+    printf("#*        0xffffffffffffff %s (UNKNOWN)\n", tsk_info_system->task.comm);
+    // diag_printf_proc_chains(&tsk_info_system->proc_chains);
+    printf("##\n");
 
     break;
+  
   default:
     break;
   }

source/ucli/ucli.h

@@ -15,6 +15,7 @@
 // dump type
 #define VARIABLE_MONITOR_RECORD_TYPE 0x0
 #define VARIABLE_MONITOR_TASK_TYPE 0x1
+#define VARIABLE_MONITOR_TASK_TYPE_SYSTEM 0x2
 
 #define DEVICE "/dev/variable_monitor"
 #define DEVICE_BAK "/host/dev/variable_monitor"
@@ -108,6 +109,14 @@ typedef struct {
   raw_stack_detail raw_stack;
 } variable_monitor_task;
 
+typedef struct {
+  int et_type;
+  unsigned long id;
+  unsigned long long tv;
+  task_detail task; // brief
+  kern_stack_detail kern_stack;   // kernel stack
+} variable_monitor_task_system;
+
 #define DIAG_VARIANT_BUFFER_HEAD_MAGIC_SEALED 197612031122
 #define DIAG_VARIANT_BUFFER_HEAD_MAGIC_UNSEALED 197612031234