The nfs client keeps per rpc operation stats. Add these to the
nfsclient pmda. Here we have only gathered the nfs v3 operations. v2
and v4 still need to be done.
---
src/pmdas/nfsclient/pmdanfsclient.pl | 84 ++++++++++++++++++++++++++++++++++
1 files changed, 84 insertions(+), 0 deletions(-)
diff --git a/src/pmdas/nfsclient/pmdanfsclient.pl
b/src/pmdas/nfsclient/pmdanfsclient.pl
index ee5c912..8cb7635 100644
--- a/src/pmdas/nfsclient/pmdanfsclient.pl
+++ b/src/pmdas/nfsclient/pmdanfsclient.pl
@@ -139,6 +139,26 @@ sub nfsclient_parse_proc_mountstats {
$h{$export}->{'nfsclient.xprt.tcp.bklog_u'}) =
@stats;
}
+
+ # per-op statistics
+ if ($line =~ /\tper-op statistics$/) {
+ # We'll do these a bit differently since they are not
+ # all on the same line. Just loop until we don't match
+ # anymore.
+ while (<STATS> =~
+ /^\s*([A-Z]*): (\d*) (\d*) (\d*) (\d*) (\d*) (\d*) (\d*) (\d*)$/) {
+ my $op_name = $1;
+ ($h{$export}->{"nfsclient.ops.$op_name.ops"},
+ $h{$export}->{"nfsclient.ops.$op_name.ntrans"},
+
$h{$export}->{"nfsclient.ops.$op_name.timeouts"},
+
$h{$export}->{"nfsclient.ops.$op_name.bytes_sent"},
+
$h{$export}->{"nfsclient.ops.$op_name.bytes_recv"},
+ $h{$export}->{"nfsclient.ops.$op_name.queue"},
+ $h{$export}->{"nfsclient.ops.$op_name.rtt"},
+
$h{$export}->{"nfsclinet.ops.$op_name.execute"}) =
+ ($2, $3, $4, $5, $6, $7, $8, $9);
+ }
+ }
}
close STATS;
@@ -464,6 +484,70 @@ $pmda->add_metric(pmda_pmid(7,10), PM_TYPE_U64,
$nfsclient_indom,
'qlen is incremented in __rpc_add_wait_queue and decremented in ' .
'__rpc_remove_wait_queue.');
+# ops - cluster 8
+#
+# TODO each nfs version has different ops. I need to figure out how to do this
+# right for each protocol
+my @ops = ('NULL', 'GETATTR', 'SETATTR', 'LOOKUP', 'ACCESS', 'READLINK',
+ 'READ', 'WRITE', 'CREATE', 'MKDIR', 'SYMLINK', 'MKNOD', 'REMOVE',
+ 'RMDIR', 'RENAME', 'LINK', 'READDIR', 'READDIRPLUS', 'FSSTAT',
+ 'FSINFO', 'PATHCONF', 'COMMIT');
+my $item = 1;
+for my $op_name (@ops) {
+ $pmda->add_metric(pmda_pmid(8, $item++), PM_TYPE_U32, $nfsclient_indom,
+ PM_SEM_COUNTER, pmda_units(0,0,1,0,0,PM_COUNT_ONE),
+ "nfsclient.ops.$op_name.ops",
+ 'count of operations',
+'rpc count for this op, only bumped in rpc_count_iostats');
+
+ $pmda->add_metric(pmda_pmid(8, $item++), PM_TYPE_U32, $nfsclient_indom,
+ PM_SEM_COUNTER, pmda_units(0,0,1,0,0,PM_COUNT_ONE),
+ "nfsclient.ops.$op_name.ntrans",
+ 'count of transmissions',
+'there can be more than one transmission per rpc');
+
+ $pmda->add_metric(pmda_pmid(8, $item++), PM_TYPE_U32, $nfsclient_indom,
+ PM_SEM_COUNTER, pmda_units(0,0,1,0,0,PM_COUNT_ONE),
+ "nfsclient.ops.$op_name.timeouts",
+ 'count of major timeouts',
+'XXX fill me in');
+
+ $pmda->add_metric(pmda_pmid(8, $item++), PM_TYPE_U64, $nfsclient_indom,
+ PM_SEM_COUNTER, pmda_units(1,0,0,PM_SPACE_BYTE,0,0),
+ "nfsclient.ops.$op_name.bytes_sent",
+ 'count of bytes out',
+'How many bytes are sent for this procedure type. This indicates how much ' .
+'load this procedure is putting on the network. It includes the RPC and ULP' .
+'headers, and the request payload');
+
+ $pmda->add_metric(pmda_pmid(8, $item++), PM_TYPE_U64, $nfsclient_indom,
+ PM_SEM_COUNTER, pmda_units(1,0,0,PM_SPACE_BYTE,0,0),
+ "nfsclient.ops.$op_name.bytes_recv",
+ 'count of bytes in',
+'How many bytes are received for this procedure type. This indicates how ' .
+'much load this procedure is putting on the network. It includes RPC and ' .
+'ULP headers, and the request payload');
+
+ $pmda->add_metric(pmda_pmid(8, $item++), PM_TYPE_U64, $nfsclient_indom,
+ PM_SEM_COUNTER, pmda_units(0,1,0,0,PM_TIME_MSEC,0),
+ "nfsclient.ops.$op_name.queue",
+ 'milliseconds queued for transmit',
+'The length of time an RPC request waits in queue before transmission in ' .
+' milliseconds.');
+
+ $pmda->add_metric(pmda_pmid(8, $item++), PM_TYPE_U64, $nfsclient_indom,
+ PM_SEM_COUNTER, pmda_units(0,1,0,0,PM_TIME_MSEC,0),
+ "nfsclient.ops.$op_name.rtt",
+ 'milliseconds for rpc round trip time',
+'The network + server latency of the request in milliseconds.');
+
+ $pmda->add_metric(pmda_pmid(8, $item++), PM_TYPE_U64, $nfsclient_indom,
+ PM_SEM_COUNTER, pmda_units(0,1,0,0,PM_TIME_MSEC,0),
+ "nfsclient.ops.$op_name.execute",
+ 'milliseconds for rpc execution',
+'The total time the request spent from init to release in milliseconds.');
+}
+
&nfsclient_parse_proc_mountstats;
$pmda->add_indom($nfsclient_indom, [%instances], 'NFS mounts', '');
--
1.7.6.1
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