Author: marius
Date: Mon Dec 30 00:43:24 2013
New Revision: 260065
URL: http://svnweb.freebsd.org/changeset/base/260065
Log:
MFC: r255937
Implement GET_STACK_USAGE.
Discussed with: mav
Modified:
stable/9/sys/sparc64/include/proc.h
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/sparc64/include/proc.h
==============================================================================
--- stable/9/sys/sparc64/include/proc.h Sun Dec 29 23:46:59 2013
(r260064)
+++ stable/9/sys/sparc64/include/proc.h Mon Dec 30 00:43:24 2013
(r260065)
@@ -55,6 +55,17 @@ struct mdproc {
#ifdef _KERNEL
+#include <machine/pcb.h>
+
+/* Get the current kernel thread stack usage. */
+#define GET_STACK_USAGE(total, used) do {
\
+ struct thread *td = curthread; \
+ (total) = td->td_kstack_pages * PAGE_SIZE - sizeof(struct pcb); \
+ (used) = (char *)td->td_kstack + \
+ td->td_kstack_pages * PAGE_SIZE - \
+ (char *)&td; \
+} while (0)
+
struct syscall_args {
u_int code;
struct sysent *callp;
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