Messages in this thread Patch in this message | | | From | Aubrey Li <> | Subject | [PATCH v16 1/3] /proc/pid/status: Add support for architecture specific output | Date | Wed, 17 Apr 2019 18:18:38 +0800 |
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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.li@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Linux API <linux-api@vger.kernel.org> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> --- fs/proc/array.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/fs/proc/array.c b/fs/proc/array.c index 2edbb657f859..a6b394402ea2 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -96,6 +96,14 @@ #include <asm/processor.h> #include "internal.h" +/* + * Add support for architecture specific output in /proc/pid/status. + * arch_proc_pid_status() must be defined in asm/processor.h + */ +#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 +432,7 @@ 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
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