diff -Naur glusterfs-3.4.2/api/src/glfs.c glusterfs-3.4.2.krb/api/src/glfs.c
--- glusterfs-3.4.2/api/src/glfs.c	2014-01-03 05:17:11.000000000 -0600
+++ glusterfs-3.4.2.krb/api/src/glfs.c	2014-01-31 08:45:33.897189188 -0600
@@ -393,6 +393,11 @@
 {
 	struct glfs  *fs = NULL;
 
+        {
+            static unsigned short instance=0;
+            set_pname( "gp", instance++ );
+        }
+
 	fs = data;
 
 	event_dispatch (fs->ctx->event_pool);
diff -Naur glusterfs-3.4.2/libglusterfs/src/globals.c glusterfs-3.4.2.krb/libglusterfs/src/globals.c
--- glusterfs-3.4.2/libglusterfs/src/globals.c	2014-01-03 05:17:11.000000000 -0600
+++ glusterfs-3.4.2.krb/libglusterfs/src/globals.c	2014-01-31 08:46:35.730298902 -0600
@@ -14,6 +14,7 @@
 #endif /* !_CONFIG_H */
 
 #include <pthread.h>
+#include <sys/prctl.h>
 
 #include "glusterfs.h"
 #include "globals.h"
@@ -358,3 +359,19 @@
 out:
         return ret;
 }
+
+void
+set_pname( const char *label, unsigned short idx )
+{
+    char cname[17];
+    char app[32];
+    char nname[17];
+    int maxnamelen;
+
+    prctl(PR_GET_NAME, (unsigned long)cname, 0, 0, 0);
+    cname[16] = 0;
+
+    maxnamelen = sizeof(nname)-1 - snprintf( app, sizeof(app), "/%.2s:%d", label, idx );
+    snprintf( nname, sizeof(nname), "%.*s%s", maxnamelen, cname, app );
+    prctl(PR_SET_NAME, (unsigned long)nname, 0, 0, 0);
+}
diff -Naur glusterfs-3.4.2/libglusterfs/src/globals.h glusterfs-3.4.2.krb/libglusterfs/src/globals.h
--- glusterfs-3.4.2/libglusterfs/src/globals.h	2014-01-03 05:17:11.000000000 -0600
+++ glusterfs-3.4.2.krb/libglusterfs/src/globals.h	2014-01-31 08:46:27.418149474 -0600
@@ -56,6 +56,9 @@
 /* init */
 int glusterfs_globals_init (glusterfs_ctx_t *ctx);
 
+/* set thread name */
+void set_pname( const char *label, unsigned short idx );
+
 extern const char *gf_fop_list[];
 
 #endif /* !_GLOBALS_H */
diff -Naur glusterfs-3.4.2/libglusterfs/src/syncop.c glusterfs-3.4.2.krb/libglusterfs/src/syncop.c
--- glusterfs-3.4.2/libglusterfs/src/syncop.c	2014-01-03 05:17:11.000000000 -0600
+++ glusterfs-3.4.2.krb/libglusterfs/src/syncop.c	2014-01-31 08:46:53.747622553 -0600
@@ -531,6 +531,11 @@
         struct syncproc *proc = NULL;
         struct synctask *task = NULL;
 
+        {
+            static unsigned short instance=0;
+            set_pname( "sp", instance++ );
+        }
+
         proc = thdata;
         env = proc->env;
 
diff -Naur glusterfs-3.4.2/libglusterfs/src/timer.c glusterfs-3.4.2.krb/libglusterfs/src/timer.c
--- glusterfs-3.4.2/libglusterfs/src/timer.c	2014-01-03 05:17:11.000000000 -0600
+++ glusterfs-3.4.2.krb/libglusterfs/src/timer.c	2014-01-31 08:46:13.209893446 -0600
@@ -129,6 +129,11 @@
         gf_timer_registry_t *reg = NULL;
 	const struct timespec sleepts = {.tv_sec = 1, .tv_nsec = 0, };
 
+        {
+            static unsigned short instance=0;
+            set_pname( "tm", instance++ );
+        }
+
         if (ctx == NULL)
         {
                 gf_log_callingfn ("timer", GF_LOG_ERROR, "invalid argument");