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gatieme
2016-05-17 12:40:29 +08:00
parent a3d32ac8ff
commit 56090c336e
3 changed files with 15 additions and 32 deletions
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study/kernel/process/task/find_task/Makefile
+2 -3
View File
@@ -5,16 +5,15 @@ ifneq ($(KERNELRELEASE),)
MODULE_NAME := find-task
RESMAIN_CORE_OBJS := find_task.o
RESMAIN_GLUE_OBJS := get_task.o
find-task-objs := $(RESMAIN_GLUE_OBJS) $(RESMAIN_CORE_OBJS)
obj-m += find-task.o
#$(MODULE_NAME)-objs := $(RESMAIN_GLUE_OBJS) $(RESMAIN_CORE_OBJS)
#obj-m := $(MODULE_NAME).o
else
KERNELDIR ?= /lib/modules/$(shell uname -r)/build
study/kernel/process/task/find_task/get_task.c
+2 -18
View File
@@ -14,25 +14,9 @@
#include <linux/mm_types.h>
void print_vm_list(struct task_struct *task)
void print_task(struct task_struct *task)
{
struct vm_area_struct *tmp = task->mm->mmap;
printk("process:%s,pid:%d\n", task->comm, task->pid);
while (tmp != NULL)
{
printk("0x%lx - 0x%lx\t",tmp->vm_start,tmp->vm_end);
(tmp->vm_flags & VM_READ) ? printk("r") : printk("-");
(tmp->vm_flags & VM_WRITE) ? printk("w") : printk("-");
(tmp->vm_flags & VM_EXEC) ? printk("x") : printk("-");
(tmp->vm_flags & VM_SHARED) ? printk("s") : printk("p");
printk("\n");
tmp = tmp->vm_next;
}
printf_task_vmarea(task)
}
study/kernel/process/task/find_task/print_vmarea.c
+11 -11
View File
@@ -17,12 +17,14 @@
(type *)( (char *)__mptr - offsetof(type,member) );})
#endif
static void print_vmarea(struct vm_area_struct)
static void print_vmarea(struct vm_area_struct *vmarea)
{
((tmp->vm_flags & VM_READ) == 1) ? printk("r") : printk("-");
((tmp->vm_flags & VM_WRITE) == 1) ? printk("w") : printk("-");
((tmp->vm_flags & VM_EXEC) == 1) ? printk("x") : printk("-");
((tmp->vm_flags & VM_SHARED) == 1) ? printk("s") : printk("p");
printk("0x%lx - 0x%lx\t", vmarea->vm_start, vmarea->vm_end);
((vmarea->vm_flags & VM_READ) == 1) ? printk("r") : printk("-");
((vmarea->vm_flags & VM_WRITE) == 1) ? printk("w") : printk("-");
((vmarea->vm_flags & VM_EXEC) == 1) ? printk("x") : printk("-");
((vmarea->vm_flags & VM_SHARED) == 1) ? printk("s") : printk("p");
printk("\n");
}
@@ -31,7 +33,7 @@ static void print_vmarea_by_list(struct task_struct *task)
{
struct vm_area_struct *tmp = task->mm->mmap;
printk("process:%s,pid:%d\n", task->comm, task->pid);
printk("process : %s, pid : %d\n", task->comm, task->pid);
while (tmp != NULL)
{
@@ -43,11 +45,9 @@ static void print_vmarea_by_list(struct task_struct *task)
static void visit_rbtree_node(struct rb_node *root)
{
struct vm_area_struct *tmp;
struct vm_area_struct *vmarea NULL;
tmp = container_of(root,struct vm_area_struct,vm_rb);
printk("0x%lx - 0x%lx\t",tmp->vm_start,tmp->vm_end);
vmarea = container_of(root,struct vm_area_struct,vm_rb);
print_vm_area(tmp);
}
@@ -64,7 +64,7 @@ static void preorder_rbtree(struct rb_node *root)
static void print_vmarea_by_rbtree(struct task_struct *task)
{
struct task_struct *p;
struct task_struct *p;
struct pid *k;
struct rb_node *root = NULL;