The architecture specific information of the running processes could
be useful to the userland. Add support to examine process architecture
specific information externally.
Signed-off-by: Aubrey Li <aubrey...@linux.intel.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Andi Kleen <a...@linux.intel.com>
Cc: Tim Chen <tim.c.c...@linux.intel.com>
Cc: Dave Hansen <dave.han...@intel.com>
Cc: Arjan van de Ven <ar...@linux.intel.com>
Cc: Linux API <linux-...@vger.kernel.org>
Cc: Alexey Dobriyan <adobri...@gmail.com>
Cc: Andrew Morton <a...@linux-foundation.org>
---
fs/proc/array.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 2edbb657f859..87bc7e882d35 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -96,6 +96,11 @@
#include <asm/processor.h>
#include "internal.h"
+/* Add support for architecture specific output in /proc/pid/status */
+#ifndef arch_proc_pid_status
+#define arch_proc_pid_status(m, task)
+#endif
+
void proc_task_name(struct seq_file *m, struct task_struct *p, bool escape)
{
char *buf;
@@ -424,6 +429,7 @@ int proc_pid_status(struct seq_file *m, struct
pid_namespace *ns,
task_cpus_allowed(m, task);
cpuset_task_status_allowed(m, task);
task_context_switch_counts(m, task);
+ arch_proc_pid_status(m, task);
return 0;
}
--
2.21.0
