gfwleak/zhangyang-variable-monitor
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This commit is contained in:
John Doe
2023-12-01 09:26:42 +00:00
parent fc79e537e2
commit 21862f1271
6 changed files with 45 additions and 8 deletions
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37
source/module/monitor_kernel_lib.c
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@@ -33,6 +33,35 @@ static unsigned char w_arg2k_w_arg(void *kptr, watch_arg warg,
return 0;
}
// static long long convert_to_longlong(void *ptr, int size, char isUnsigned) {
// // ptr is null
// if (!ptr) {
// return 0;
// }
// switch (size) {
// case 1: // 8-bit integer.
// if (isUnsigned) {
// return (long long)(*(uint8_t*)ptr);
// } else {
// return (long long)(*(int8_t*)ptr);
// }
// case 2: // 16-bit integer.
// if (isUnsigned) {
// return (long long)(*(uint16_t*)ptr);
// } else {
// return (long long)(*(int16_t*)ptr);
// }
// case 4: // 32-bit integer.
// if (isUnsigned) {
// return (long long)(*(uint32_t*)ptr);
// } else {
// return (long long)(*(int32_t*)ptr);
// }
// default:
// return 0;
// }
// }
/**
* @brief kernel_watch_arg to threshold
*
@@ -46,6 +75,9 @@ static void k_w_arg2threshold(kernel_watch_arg *k_watch_arg,
threshold->name[MAX_NAME_LEN + 1] = '\0';
threshold->ptr = k_watch_arg->ptr;
threshold->threshold = k_watch_arg->threshold;
// read true value
// threshold->true_value = convert_to_longlong(k_watch_arg->ptr, k_watch_arg->length_byte, k_watch_arg->is_unsigned);
}
static void init_mm_tree(mm_tree *mm_tree) {
@@ -149,9 +181,9 @@ void diag_task_info_work(struct work_struct *work) {
kwarg = &k_watch_timer->k_watch_args[k_watch_timer->threshold_buffer[i]];
k_w_arg2threshold(kwarg, &vm_record.threshold_record[i]);
}
printk(KERN_INFO "-------------------------------------\n");
// printk(KERN_INFO "-------------------------------------\n");
printk(KERN_INFO "-----------variable monitor----------\n");
printk(KERN_INFO "超出阈值：%lld\n", vm_record.tv);
printk(KERN_INFO "threshold exceeded, Timestamp %lld:\n", vm_record.tv);
for (i = 0; i < vm_record.threshold_num; i++) {
printk(KERN_INFO "\t: pid: %d, name: %s, ptr: %p, threshold:%lld\n",
@@ -160,6 +192,7 @@ void diag_task_info_work(struct work_struct *work) {
.name, // Assuming name is a null-terminated string
vm_record.threshold_record[i].ptr,
vm_record.threshold_record[i].threshold);
// vm_record.threshold_record[i].true_value);
}
rcu_read_lock();