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 <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Tim Chen <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Arjan van de Ven <[email protected]> Cc: Linux API <[email protected]> Cc: Alexey Dobriyan <[email protected]> Cc: Andrew Morton <[email protected]> --- 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

