diff options
| author | Krishnan Parthasarathi <kparthas@redhat.com> | 2014-09-03 11:03:06 +0530 |
|---|---|---|
| committer | Krishnan Parthasarathi <kparthas@redhat.com> | 2014-09-22 04:08:58 -0700 |
| commit | 1b53756e50cb9ad5422292d7f4e1e6fe23357222 (patch) | |
| tree | 30eaf25c1fbc7e359796a86d21897ecd14f4af2a /xlators/mgmt | |
| parent | 0cbfe677f361cf49b182748f4b71ded13f6bc988 (diff) | |
glusterd: Add last successful glusterd lock backtrace
Also, moved the backtrace fetching logic to a separate function.
Modified the backtrace fetching logic able to work under memory pressure
conditions.
Change-Id: Ie38bea425a085770f41831314aeda95595177ece
BUG: 1138503
Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-on: http://review.gluster.org/8584
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
Diffstat (limited to 'xlators/mgmt')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-locks.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-locks.c b/xlators/mgmt/glusterd/src/glusterd-locks.c index 2d1a664ebd2..b2629fd87b8 100644 --- a/xlators/mgmt/glusterd/src/glusterd-locks.c +++ b/xlators/mgmt/glusterd/src/glusterd-locks.c @@ -491,6 +491,7 @@ out: return ret; } + int32_t glusterd_mgmt_v3_lock (const char *name, uuid_t uuid, char *type) { @@ -501,6 +502,7 @@ glusterd_mgmt_v3_lock (const char *name, uuid_t uuid, char *type) gf_boolean_t is_valid = _gf_true; uuid_t owner = {0}; xlator_t *this = NULL; + char *bt = NULL; this = THIS; GF_ASSERT (this); @@ -569,6 +571,18 @@ glusterd_mgmt_v3_lock (const char *name, uuid_t uuid, char *type) goto out; } + /* Saving the backtrace into the pre-allocated buffer, ctx->btbuf*/ + if ((bt = gf_backtrace_save (NULL))) { + snprintf (key, sizeof (key), "debug.last-success-bt-%s-%s", + name, type); + ret = dict_set_dynstr_with_alloc (priv->mgmt_v3_lock, key, bt); + if (ret) + gf_log (this->name, GF_LOG_WARNING, "Failed to save " + "the back trace for lock %s-%s granted to %s", + name, type, uuid_utoa (uuid)); + ret = 0; + } + gf_log (this->name, GF_LOG_DEBUG, "Lock for %s %s successfully held by %s", type, name, uuid_utoa (uuid)); |