This patch will introduce 2 eppic scripts. One is for filtering out amdgpu
mm pages, the other is for printing all tasks VMAs. dwarf & btf eppic
extension should produce the same result for every eppic script, mainly
for test use.
Signed-off-by: Tao Liu <l...@redhat.com>
---
eppic_scripts/filter_amdgpu_mm_pages.c | 36 ++++++++++++++++++++++++++
eppic_scripts/print_all_vma.c | 29 +++++++++++++++++++++
2 files changed, 65 insertions(+)
create mode 100644 eppic_scripts/filter_amdgpu_mm_pages.c
create mode 100644 eppic_scripts/print_all_vma.c
diff --git a/eppic_scripts/filter_amdgpu_mm_pages.c
b/eppic_scripts/filter_amdgpu_mm_pages.c
new file mode 100644
index 0000000..2936a54
--- /dev/null
+++ b/eppic_scripts/filter_amdgpu_mm_pages.c
@@ -0,0 +1,36 @@
+int main()
+{
+ struct task_struct *p;
+ unsigned long p_off;
+ int i, c;
+ struct vm_area_struct *vma;
+ struct ttm_buffer_object *tbo;
+ unsigned long pfn, num, mt;
+
+ p = (struct task_struct *)&init_task;
+ p_off = (unsigned long)&(p->tasks) - (unsigned long)p;
+
+ do {
+ if (!(p->mm)) {
+ p = (struct task_struct *)((unsigned
long)(p->tasks.next) - p_off);
+ continue;
+ }
+ mt = (unsigned long)&(p->mm->mm_mt);
+
+ c = maple_count((char *)mt);
+ for (i = 0; i < c; i++) {
+ vma = (struct vm_area_struct *)maple_elem((char *)mt,
i);
+ if (vma->vm_ops == &amdgpu_gem_vm_ops) {
+ tbo = (struct ttm_buffer_object
*)(vma->vm_private_data);
+ if (tbo->ttm) {
+ num = (unsigned
long)(tbo->ttm->num_pages);
+ pfn = ((unsigned
long)(tbo->ttm->pages[0]) - *(unsigned long *)&vmemmap_base) / sizeof(struct
page);
+ filter_pages(pfn, num);
+ }
+ }
+ }
+ p = (struct task_struct *)((unsigned long)(p->tasks.next) -
p_off);
+ } while(p != &init_task);
+
+ return 1;
+}
diff --git a/eppic_scripts/print_all_vma.c b/eppic_scripts/print_all_vma.c
new file mode 100644
index 0000000..e8e49c2
--- /dev/null
+++ b/eppic_scripts/print_all_vma.c
@@ -0,0 +1,29 @@
+int main()
+{
+ struct task_struct *p;
+ unsigned long p_off;
+ int i, c;
+ struct vm_area_struct *vma;
+ unsigned long mt;
+
+ p = (struct task_struct *)&init_task;
+ p_off = (unsigned long)&(p->tasks) - (unsigned long)p;
+
+ do {
+ if (!(p->mm)) {
+ p = (struct task_struct *)((unsigned
long)(p->tasks.next) - p_off);
+ continue;
+ }
+ printf("PID: %d\n", (int)(p->pid));
+ mt = (unsigned long)&(p->mm->mm_mt);
+
+ c = maple_count((char *)mt);
+ for (i = 0; i < c; i++) {
+ vma = (struct vm_area_struct *)maple_elem((char *)mt,
i);
+ printf("%lx\n", vma);
+ }
+ p = (struct task_struct *)((unsigned long)(p->tasks.next) -
p_off);
+ } while(p != &init_task);
+
+ return 1;
+}
--
2.47.0
--
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