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>

1 files changed, 43 insertions, 1 deletions

diff --git a/cli/src/cli-xml-output.c b/cli/src/cli-xml-output.c
index 6639262066c..af4f020bbbd 100644
--- a/cli/src/cli-xml-output.c
+++ b/cli/src/cli-xml-output.c
@@ -13,7 +13,7 @@
 #include "run.h"
 #include "compat.h"
 #include "syscall.h"
-
+#include "upcall-utils.h"
 
 enum gf_task_types {
     GF_TASK_TYPE_REBALANCE,
@@ -2200,6 +2200,48 @@ cont:
                 max_latency = 0.0;
         }
 
+        for (i = 0; i < GF_UPCALL_FLAGS_MAXVALUE; i++) {
+                hits = 0;
+                avg_latency = 0.0;
+                min_latency = 0.0;
+                max_latency = 0.0;
+
+                memset (key, 0, sizeof (key));
+                snprintf (key, sizeof (key), "%d-%d-%d-upcall-hits", brick_index,
+                          interval, i);
+                ret = dict_get_uint64 (dict, key, &hits);
+                if (ret)
+                        continue;
+
+                /* <fop> */
+                ret = xmlTextWriterStartElement (writer, (xmlChar *)"fop");
+                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                ret = xmlTextWriterWriteFormatElement
+                        (writer, (xmlChar *)"name", "%s", gf_fop_list[i]);
+                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                ret = xmlTextWriterWriteFormatElement
+                        (writer, (xmlChar *)"hits", "%"PRIu64, hits);
+                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                ret = xmlTextWriterWriteFormatElement
+                        (writer, (xmlChar *)"avgLatency", "%f", avg_latency);
+                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                ret = xmlTextWriterWriteFormatElement
+                        (writer, (xmlChar *)"minLatency", "%f", min_latency);
+                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                ret = xmlTextWriterWriteFormatElement
+                        (writer, (xmlChar *)"maxLatency", "%f", max_latency);
+                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                /* </fop> */
+                ret = xmlTextWriterEndElement (writer);
+                XML_RET_CHECK_AND_GOTO (ret, out);
+        }
+
         /* </fopStats> */
         ret = xmlTextWriterEndElement (writer);
         XML_RET_CHECK_AND_GOTO (ret, out);