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Subject[PATCH 26/32] ocfs2/dlm: Show the number of lockres/mles in dlm_state
Date
From: Sunil Mushran <sunil.mushran@oracle.com>

This patch shows the number of lockres' and mles in the debugfs file, dlm_state.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
---
fs/ocfs2/dlm/dlmdebug.c | 36 ++++++++++++++++++++++++++++++++++++
1 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/fs/ocfs2/dlm/dlmdebug.c b/fs/ocfs2/dlm/dlmdebug.c
index d7decaa..bf9fa27 100644
--- a/fs/ocfs2/dlm/dlmdebug.c
+++ b/fs/ocfs2/dlm/dlmdebug.c
@@ -763,6 +763,8 @@ static int debug_state_print(struct dlm_ctxt *dlm, struct debug_buffer *db)
int out = 0;
struct dlm_reco_node_data *node;
char *state;
+ int cur_mles = 0, tot_mles = 0;
+ int i;

spin_lock(&dlm->spinlock);

@@ -805,6 +807,40 @@ static int debug_state_print(struct dlm_ctxt *dlm, struct debug_buffer *db)
db->buf + out, db->len - out);
out += snprintf(db->buf + out, db->len - out, "\n");

+ /* Lock Resources: xxx (xxx) */
+ out += snprintf(db->buf + out, db->len - out,
+ "Lock Resources: %d (%d)\n",
+ atomic_read(&dlm->res_cur_count),
+ atomic_read(&dlm->res_tot_count));
+
+ for (i = 0; i < DLM_MLE_NUM_TYPES; ++i)
+ tot_mles += atomic_read(&dlm->mle_tot_count[i]);
+
+ for (i = 0; i < DLM_MLE_NUM_TYPES; ++i)
+ cur_mles += atomic_read(&dlm->mle_cur_count[i]);
+
+ /* MLEs: xxx (xxx) */
+ out += snprintf(db->buf + out, db->len - out,
+ "MLEs: %d (%d)\n", cur_mles, tot_mles);
+
+ /* Blocking: xxx (xxx) */
+ out += snprintf(db->buf + out, db->len - out,
+ " Blocking: %d (%d)\n",
+ atomic_read(&dlm->mle_cur_count[DLM_MLE_BLOCK]),
+ atomic_read(&dlm->mle_tot_count[DLM_MLE_BLOCK]));
+
+ /* Mastery: xxx (xxx) */
+ out += snprintf(db->buf + out, db->len - out,
+ " Mastery: %d (%d)\n",
+ atomic_read(&dlm->mle_cur_count[DLM_MLE_MASTER]),
+ atomic_read(&dlm->mle_tot_count[DLM_MLE_MASTER]));
+
+ /* Migration: xxx (xxx) */
+ out += snprintf(db->buf + out, db->len - out,
+ " Migration: %d (%d)\n",
+ atomic_read(&dlm->mle_cur_count[DLM_MLE_MIGRATION]),
+ atomic_read(&dlm->mle_tot_count[DLM_MLE_MIGRATION]));
+
/* Lists: Dirty=Empty Purge=InUse PendingASTs=Empty ... */
out += snprintf(db->buf + out, db->len - out,
"Lists: Dirty=%s Purge=%s PendingASTs=%s "
--
1.5.6


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