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authorvinayak hegde <vinayak@gluster.com>2009-10-20 07:18:16 +0000
committerAnand V. Avati <avati@dev.gluster.com>2009-10-20 10:18:01 -0700
commit61d0ad544322ea0e0e9b0549662b8ca912641951 (patch)
tree8daf230deb1b7eb561ed16d38cf99074b1e968e7
parentf8d40aad7e21389911b151d6445dd8197bec0049 (diff)
performance/read-ahead: Process state dump operations are added.
Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 213 (Support for process state dump) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=213
-rw-r--r--xlators/performance/read-ahead/src/read-ahead.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/xlators/performance/read-ahead/src/read-ahead.c b/xlators/performance/read-ahead/src/read-ahead.c
index 99edd6011..92fc6d1da 100644
--- a/xlators/performance/read-ahead/src/read-ahead.c
+++ b/xlators/performance/read-ahead/src/read-ahead.c
@@ -34,6 +34,7 @@
#include "dict.h"
#include "xlator.h"
#include "read-ahead.h"
+#include "statedump.h"
#include <assert.h>
#include <sys/time.h>
@@ -789,6 +790,48 @@ ra_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset)
return 0;
}
+int
+ra_priv_dump (xlator_t *this)
+{
+ ra_conf_t *conf = NULL;
+ int ret = -1;
+ char key[GF_DUMP_MAX_BUF_LEN];
+ char key_prefix[GF_DUMP_MAX_BUF_LEN];
+
+ if (!this)
+ return -1;
+
+ conf = this->private;
+ if (!conf) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "conf null in xlator");
+ return -1;
+ }
+
+ ret = pthread_mutex_trylock (&conf->conf_lock);
+ if (ret) {
+ gf_log ("", GF_LOG_WARNING, "Unable to lock client %s"
+ " errno: %d", this->name, errno);
+ return -1;
+ }
+
+
+ gf_proc_dump_build_key (key_prefix,
+ "xlator.performance.read-ahead",
+ "priv");
+
+ gf_proc_dump_add_section (key_prefix);
+ gf_proc_dump_build_key (key, key_prefix, "page_size");
+ gf_proc_dump_write (key, "%d", conf->page_size);
+ gf_proc_dump_build_key (key, key_prefix, "page_count");
+ gf_proc_dump_write (key, "%d", conf->page_count);
+ gf_proc_dump_build_key (key, key_prefix, "force_atime_update");
+ gf_proc_dump_write (key, "%d", conf->force_atime_update);
+
+ pthread_mutex_unlock (&conf->conf_lock);
+
+ return 0;
+}
int
init (xlator_t *this)
@@ -902,6 +945,10 @@ struct xlator_cbks cbks = {
.release = ra_release,
};
+struct xlator_dumpops dumpops = {
+ .priv = ra_priv_dump,
+};
+
struct volume_options options[] = {
{ .key = {"force-atime-update"},
.type = GF_OPTION_TYPE_BOOL