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authorAmar Tumballi <amarts@redhat.com>2012-02-23 12:53:19 +0530
committerVijay Bellur <vijay@gluster.com>2012-02-27 02:18:35 -0800
commita3f6b0c4f231ccdb727227c9c35816b4823cef90 (patch)
treea0594eedbca1c88fa56bf4f9c172152a77263ae8 /cli
parent85471322df9676cc344cc2b03627c02ed90da3cd (diff)
mempool: add more counters to understand the usage scenarios properly
current design of mempool is to fallback to standard calloc/free if all the buffers in pool are exhausted. Understanding more about those numbers will help us to tune mempool parameters properly over time. Change-Id: I2c94373186f7c6a486caff2611c2d9df2c37db3c Signed-off-by: Amar Tumballi <amarts@redhat.com> BUG: 797730 Reviewed-on: http://review.gluster.com/2804 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Kaushal M <kaushal@redhat.com> Reviewed-by: Vijay Bellur <vijay@gluster.com>
Diffstat (limited to 'cli')
-rw-r--r--cli/src/cli-rpc-ops.c30
-rw-r--r--cli/src/cli-xml-output.c21
2 files changed, 44 insertions, 7 deletions
diff --git a/cli/src/cli-rpc-ops.c b/cli/src/cli-rpc-ops.c
index 995526a..34b37cf 100644
--- a/cli/src/cli-rpc-ops.c
+++ b/cli/src/cli-rpc-ops.c
@@ -4058,6 +4058,8 @@ cli_print_volume_status_mempool (dict_t *dict, char *prefix)
uint64_t paddedsizeof = 0;
uint64_t alloccount = 0;
int32_t maxalloc = 0;
+ uint64_t pool_misses = 0;
+ int32_t maxstdalloc = 0;
char key[1024] = {0,};
int i = 0;
@@ -4071,10 +4073,12 @@ cli_print_volume_status_mempool (dict_t *dict, char *prefix)
goto out;
cli_out ("Mempool Stats\n-------------");
- cli_out ("%-30s %9s %9s %12s %10s %8s", "Name", "HotCount","ColdCount",
- "PaddedSizeof", "AllocCount", "MaxAlloc");
- cli_out ("%-30s %9s %9s %12s %10s %8s", "----", "--------", "---------",
- "------------", "----------", "--------");
+ cli_out ("%-30s %9s %9s %12s %10s %8s %8s %12s", "Name", "HotCount",
+ "ColdCount", "PaddedSizeof", "AllocCount", "MaxAlloc",
+ "Misses", "Max-StdAlloc");
+ cli_out ("%-30s %9s %9s %12s %10s %8s %8s %12s", "----", "--------",
+ "---------", "------------", "----------",
+ "--------", "--------", "------------");
for (i = 0; i < mempool_count; i++) {
memset (key, 0, sizeof (key));
@@ -4114,9 +4118,21 @@ cli_print_volume_status_mempool (dict_t *dict, char *prefix)
if (ret)
goto out;
- cli_out ("%-30s %9d %9d %12"PRIu64" %10"PRIu64" %8d", name,
- hotcount, coldcount, paddedsizeof, alloccount,
- maxalloc);
+ memset (key, 0, sizeof (key));
+ snprintf (key, sizeof (key), "%s.pool%d.max-stdalloc", prefix, i);
+ ret = dict_get_int32 (dict, key, &maxstdalloc);
+ if (ret)
+ goto out;
+
+ memset (key, 0, sizeof (key));
+ snprintf (key, sizeof (key), "%s.pool%d.pool-misses", prefix, i);
+ ret = dict_get_uint64 (dict, key, &pool_misses);
+ if (ret)
+ goto out;
+
+ cli_out ("%-30s %9d %9d %12"PRIu64" %10"PRIu64" %8d %8"PRIu64
+ " %12d", name, hotcount, coldcount, paddedsizeof,
+ alloccount, maxalloc, pool_misses, maxstdalloc);
}
out:
diff --git a/cli/src/cli-xml-output.c b/cli/src/cli-xml-output.c
index 3e08127..6a22b24 100644
--- a/cli/src/cli-xml-output.c
+++ b/cli/src/cli-xml-output.c
@@ -441,6 +441,27 @@ cli_xml_output_vol_status_mempool (xmlTextWriterPtr writer, dict_t *dict,
"%d", maxalloc);
XML_RET_CHECK_AND_GOTO (ret, out);
+ memset (key, 0, sizeof (key));
+ snprintf (key, sizeof (key), "%s.pool%d.pool-misses", prefix, i);
+ ret = dict_get_uint64 (dict, key, &alloccount);
+ if (ret)
+ goto out;
+ ret = xmlTextWriterWriteFormatElement (writer,
+ (xmlChar *)"poolMisses",
+ "%"PRIu64, alloccount);
+ XML_RET_CHECK_AND_GOTO (ret, out);
+
+ memset (key, 0, sizeof (key));
+ snprintf (key, sizeof (key), "%s.pool%d.max-stdalloc", prefix, i);
+ ret = dict_get_int32 (dict, key, &maxalloc);
+ if (ret)
+ goto out;
+ ret = xmlTextWriterWriteFormatElement (writer,
+ (xmlChar *)"maxStdAlloc",
+ "%d", maxalloc);
+ XML_RET_CHECK_AND_GOTO (ret, out);
+
+
/* </pool> */
ret = xmlTextWriterEndElement (writer);
XML_RET_CHECK_AND_GOTO (ret, out);