gfwleak/zhangyang-variable-monitor
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VARIABLE_MONITOR_TYPE

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zy
2023-11-27 20:59:18 -05:00
parent 40efa27bc9
commit 3fc08d6b18
5 changed files with 16 additions and 73 deletions
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73
source/module/monitor_kernel_lib.c
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@@ -140,7 +140,7 @@ void diag_task_info_work(struct work_struct *work) {
kernel_watch_arg *kwarg;
vm_record.id = event_id;
vm_record.et_type = 0; //! todo event type
vm_record.et_type = VARIABLE_MONITOR_RECORD_TYPE;
vm_record.tv = ktime_get_real();
vm_record.threshold_num = k_watch_timer->threshold_num;
@@ -180,7 +180,7 @@ void diag_task_info_work(struct work_struct *work) {
get_task_struct(p); // count +1
tsk_info.et_type = 1; //! todo event type
tsk_info.et_type = VARIABLE_MONITOR_TASK_TYPE;
tsk_info.id = event_id;
tsk_info.tv = vm_record.tv;
diag_tsk(p, &tsk_info);
@@ -315,53 +315,6 @@ enum hrtimer_restart check_variable_cb(struct hrtimer *timer) {
}
int diag_test(int nid) {
// static struct task_struct *tsk;
// static struct task_struct *leader;
// static variable_monitor_task tsk_info;
// // unsigned int nr_bt;
// int ret;
// unsigned long flags;
// pid_t id = (pid_t)nid;
// rcu_read_lock();
// tsk = NULL;
// if (orig_find_task_by_vpid)
// tsk = orig_find_task_by_vpid(id);
// if (!tsk) {
// ret = -EINVAL;
// rcu_read_unlock();
// return ret;
// }
// leader = tsk->group_leader;
// if (leader == NULL || leader->exit_state == EXIT_ZOMBIE){
// ret = -EINVAL;
// rcu_read_unlock();
// return ret;
// }
// get_task_struct(tsk);
// rcu_read_unlock();
// tsk_info.et_type = 1;
// test(tsk, &tsk_info);
// put_task_struct(tsk);
// printk(KERN_INFO "put_task_struct finish\n");
// diag_variant_buffer_spin_lock(&load_monitor_variant_buffer, flags);
// printk(KERN_INFO "1\n");
// diag_variant_buffer_reserve(&load_monitor_variant_buffer,sizeof(variable_monitor_task));
// printk(KERN_INFO "2\n");
// diag_variant_buffer_write_nolock(&load_monitor_variant_buffer, &tsk_info,
// sizeof(variable_monitor_task));
// printk(KERN_INFO "3\n");
// diag_variant_buffer_seal(&load_monitor_variant_buffer);
// printk(KERN_INFO "4\n");
// diag_variant_buffer_spin_unlock(&load_monitor_variant_buffer, flags);
// printk(KERN_INFO "5\n");
struct task_struct *g, *p; // g: task group; p: task
unsigned long flags;
unsigned long event_id = get_cycles();
@@ -369,27 +322,7 @@ int diag_test(int nid) {
static variable_monitor_task tsk_info = {0};
static variable_monitor_record vm_record = {0};
// vm_record.id = event_id;
// vm_record.et_type = 0; //! todo event type
vm_record.tv = ktime_get_real();
// vm_record.threshold_num = j;
// printk("-------------------------------------\n");
// printk("-------------watch monitor-----------\n");
// printk("Threshold reached:\n");
// for (i = 0; i < j; i++) {
// kwarg = &k_watch_timer->k_watch_args[buffer[i]];
// k_w_arg2threshold(kwarg, &vm_record.threshold_record[i]);
// }
// rcu_read_lock();
// diag_variant_buffer_spin_lock(&load_monitor_variant_buffer, flags);
// diag_variant_buffer_reserve(&load_monitor_variant_buffer,
// sizeof(variable_monitor_record));
// diag_variant_buffer_write_nolock(&load_monitor_variant_buffer, &vm_record,
// sizeof(variable_monitor_record));
// diag_variant_buffer_seal(&load_monitor_variant_buffer);
// diag_variant_buffer_spin_unlock(&load_monitor_variant_buffer, flags);
rcu_read_unlock();
@@ -399,7 +332,7 @@ int diag_test(int nid) {
get_task_struct(p);
tsk_info.et_type = 1; //! todo event type
tsk_info.et_type = VARIABLE_MONITOR_TASK_TYPE;
tsk_info.id = event_id;
tsk_info.tv = vm_record.tv;