From 4c81f6268d254f452b861bcd63608982c3ddb560 Mon Sep 17 00:00:00 2001 From: Anand Avati Date: Sat, 18 Jun 2011 03:53:46 +0000 Subject: stack: make process state dump more debug friendly store points of stack wind and unwind (function names) for each frame and dump them in process state dump Signed-off-by: Anand Avati BUG: 1059 (enhancements for getting statistics from performance translators) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1059 --- libglusterfs/src/stack.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'libglusterfs/src/stack.h') diff --git a/libglusterfs/src/stack.h b/libglusterfs/src/stack.h index 63b14ca46..323c64c66 100644 --- a/libglusterfs/src/stack.h +++ b/libglusterfs/src/stack.h @@ -83,6 +83,10 @@ struct _call_frame_t { glusterfs_fop_t op; struct timeval begin; /* when this frame was created */ struct timeval end; /* when this frame completed */ + const char *wind_from; + const char *wind_to; + const char *unwind_from; + const char *unwind_to; }; struct _call_stack_t { @@ -223,6 +227,9 @@ STACK_DESTROY (call_stack_t *stack) _new->parent = frame; \ _new->cookie = _new; \ LOCK_INIT (&_new->lock); \ + _new->wind_from = __FUNCTION__; \ + _new->wind_to = #fn; \ + _new->unwind_to = #rfn; \ frame->ref_count++; \ old_THIS = THIS; \ THIS = obj; \ @@ -254,6 +261,9 @@ STACK_DESTROY (call_stack_t *stack) _new->parent = frame; \ _new->cookie = cky; \ LOCK_INIT (&_new->lock); \ + _new->wind_from = __FUNCTION__; \ + _new->wind_to = #fn; \ + _new->unwind_to = #rfn; \ frame->ref_count++; \ fn##_cbk = rfn; \ old_THIS = THIS; \ @@ -279,6 +289,7 @@ STACK_DESTROY (call_stack_t *stack) old_THIS = THIS; \ THIS = _parent->this; \ frame->complete = _gf_true; \ + frame->unwind_from = __FUNCTION__; \ fn (_parent, frame->cookie, _parent->this, params); \ THIS = old_THIS; \ } while (0) @@ -301,6 +312,7 @@ STACK_DESTROY (call_stack_t *stack) old_THIS = THIS; \ THIS = _parent->this; \ frame->complete = _gf_true; \ + frame->unwind_from = __FUNCTION__; \ fn (_parent, frame->cookie, _parent->this, params); \ THIS = old_THIS; \ } while (0) @@ -327,6 +339,8 @@ copy_frame (call_frame_t *frame) newstack->gid = oldstack->gid; newstack->pid = oldstack->pid; newstack->ngrps = oldstack->ngrps; + newstack->op = oldstack->op; + newstack->type = oldstack->type; memcpy (newstack->groups, oldstack->groups, sizeof (uint32_t) * GF_REQUEST_MAXGROUPS); newstack->unique = oldstack->unique; -- cgit