lrdp_V2: Support to print task's affinity

Add support to print task's affinity in runqueue info and
task dump parsers.

Change-Id: I790a64764fdba7232b89beaa0c5bbbbfe5d5861f
Signed-off-by: Lingutla Chandrasekhar <clingutla@codeaurora.org>

linux-ramdump-parser-v2/parsers/runqueue.py

@@ -40,12 +40,14 @@ class RunQueues(RamParser):
     def print_task_state(self, status, task_addr):
         pid_offset = self.ramdump.field_offset('struct task_struct', 'pid')
         comm_offset = self.ramdump.field_offset('struct task_struct', 'comm')
+        affinity_offset = self.ramdump.field_offset('struct task_struct', 'cpus_allowed')
 
         if 0 < task_addr:
             pid = self.ramdump.read_int(task_addr + pid_offset)
             taskname = self.ramdump.read_cstring(task_addr + comm_offset, 16)
+            affinity = self.ramdump.read_u64(task_addr + affinity_offset)
             self.print_out_str_with_tab(
-                '{0}: {1}({2})'.format(status, taskname, pid))
+                '{0}: {1}({2}) [affinity={3:x}]'.format(status, taskname, pid, affinity))
         else:
             self.print_out_str_with_tab('{0}: None(0)'.format(status))
 

linux-ramdump-parser-v2/parsers/taskdump.py

@@ -61,6 +61,7 @@ def dump_thread_group(ramdump, thread_group, task_out, taskhighlight_out, check_
     offset_stack = ramdump.field_offset('struct task_struct', 'stack')
     offset_state = ramdump.field_offset('struct task_struct', 'state')
     offset_prio = ramdump.field_offset('struct task_struct', 'prio')
+    offset_affine = ramdump.field_offset('struct task_struct', 'cpus_allowed')
     offset_exit_state = ramdump.field_offset(
         'struct task_struct', 'exit_state')
     orig_thread_group = thread_group
@@ -74,6 +75,7 @@ def dump_thread_group(ramdump, thread_group, task_out, taskhighlight_out, check_
         next_thread_stack = next_thread_start + offset_stack
         next_thread_state = next_thread_start + offset_state
         next_thread_exit_state = next_thread_start + offset_exit_state
+        next_thread_affine = next_thread_start + offset_affine
         next_thread_info = ramdump.get_thread_info_addr(next_thread_start)
         thread_task_name = cleanupString(
             ramdump.read_cstring(next_thread_comm, 16))
@@ -87,6 +89,9 @@ def dump_thread_group(ramdump, thread_group, task_out, taskhighlight_out, check_
         thread_task_pid = ramdump.read_int(next_thread_pid)
         if thread_task_pid is None:
             return
+        thread_task_affine = ramdump.read_u64(next_thread_affine)
+        if thread_task_affine is None:
+            return
         task_state = ramdump.read_word(next_thread_state)
         if task_state is None:
             return
@@ -124,8 +129,8 @@ def dump_thread_group(ramdump, thread_group, task_out, taskhighlight_out, check_
                 thread_line = ' ' + thread_line
 
             if not first:
-                task_out.write('Process: {0}, cpu: {1} pid: {2} start: 0x{3:x}\n'.format(
-                    thread_task_name, task_cpu, thread_task_pid, next_thread_start))
+                task_out.write('Process: {0}, [affinity: 0x{1:x}] cpu: {2} pid: {3} start: 0x{4:x}\n'.format(
+                    thread_task_name, thread_task_affine, task_cpu, thread_task_pid, next_thread_start))
                 task_out.write(
                     '=====================================================\n')
                 first = 1