io-stats: Add stats for upcall notificationsv3.10dev

With this patch, there will be additional entries seen in
the profile info:

UPCALL : Total number of upcall events that were sent from
         the brick(in brick profile), and number of upcall
         notifications recieved by client(in client profile)

Cache invalidation events:
-------------------------
CI_IATT : Number of upcalls that were cache invalidation and
         had one of the IATT_UPDATE_FLAGS set. This indicates
         that one of the iatt value was changed.

CI_XATTR : Number of upcalls that were cache invalidation, and
         had one of the UP_XATTR or UP_XATTR_RM set. This indicates
         that an xattr was updated or deleted.

CI_RENAME : Number of upcalls that were cache invalidation,
         resulted by the renaming of a file or directory

CI_UNLINK : Number of upcalls that were cache invalidation,
         resulted by the unlink of a file.

CI_FORGET : Number of upcalls that were cache invalidation,
         resulted by the forget of inode on the server side.

Lease events:
------------
LEASE_RECALL : Number of lease recalls sent by the brick (in
         brick profile), and number of lease recalls recieved
         by client(in client profile)

Note that the sum of CI_IATT, CI_XATTR, CI_RENAME, CI_UNLINK,
CI_FORGET, LEASE_RECALL may not be equal to UPCALL. This is
because, each cache invalidation can carry multiple flags.
Eg:
- Every CI_XATTR will have CI_IATT
- Every CI_UNLINK will also increment CI_IATT as link count is an
iatt attribute.

Also UP_PARENT_DENTRY_FLAGS is currently not accounted for,
as CI_RENAME and CI_UNLINK will always have the flag
UP_PARENT_DENTRY_FLAGS

Change-Id: Ieb8cd21dde2c4c7618f12d025a5e5156f9cc0fe9
BUG: 1371543
Signed-off-by: Poornima G <pgurusid@redhat.com>
Reviewed-on: http://review.gluster.org/15193
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Rajesh Joseph <rjoseph@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>

2 files changed, 14 insertions, 0 deletions

diff --git a/libglusterfs/src/globals.c b/libglusterfs/src/globals.c
index 50ef4dbeea3..c537971cbb4 100644
--- a/libglusterfs/src/globals.c
+++ b/libglusterfs/src/globals.c
@@ -16,6 +16,7 @@
 #include "mem-pool.h"
 #include "syncop.h"
 #include "libglusterfs-messages.h"
+#include "upcall-utils.h"
 
 const char *gf_fop_list[GF_FOP_MAXVALUE] = {
         [GF_FOP_NULL]        = "NULL",
@@ -74,6 +75,18 @@ const char *gf_fop_list[GF_FOP_MAXVALUE] = {
         [GF_FOP_GETACTIVELK] = "GETACTIVELK",
         [GF_FOP_SETACTIVELK] = "SETACTIVELK",
 };
+
+const char *gf_upcall_list[GF_UPCALL_FLAGS_MAXVALUE] = {
+        [GF_UPCALL_NULL] = "NULL",
+        [GF_UPCALL] = "UPCALL",
+        [GF_UPCALL_CI_STAT] = "CI_IATT",
+        [GF_UPCALL_CI_XATTR] = "CI_XATTR",
+        [GF_UPCALL_CI_RENAME] = "CI_RENAME",
+        [GF_UPCALL_CI_NLINK] = "CI_UNLINK",
+        [GF_UPCALL_CI_FORGET] = "CI_FORGET",
+        [GF_UPCALL_LEASE_RECALL] = "LEASE_RECALL",
+};
+
 /* THIS */
 
 /* This global ctx is a bad hack to prevent some of the libgfapi crashes.
diff --git a/libglusterfs/src/globals.h b/libglusterfs/src/globals.h
index 50734ecc2d8..ab25c7f0ec1 100644
--- a/libglusterfs/src/globals.h
+++ b/libglusterfs/src/globals.h
@@ -120,6 +120,7 @@ char *glusterfs_leaseid_buf_get (void);
 int glusterfs_globals_init (glusterfs_ctx_t *ctx);
 
 extern const char *gf_fop_list[];
+extern const char *gf_upcall_list[];
 
 /* mem acct enable/disable */
 int gf_global_mem_acct_enable_get (void);