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| author | Ryan Doyle <rdoyle@aconex.com> | 2017-10-30 11:19:37 -0400 |
|---|---|---|
| committer | Steve Dickson <steved@redhat.com> | 2017-10-30 11:19:37 -0400 |
| commit | 5bf27d95b9fb7611a1acedf6e29781dc7d405b5a (patch) | |
| tree | e0c4e10757c981a2f7c0a7ad03c8f75ff34a3281 /tools/nfs-iostat/nfs-iostat.py | |
| parent | 545b7409de356168a39644d38e2ab5f77f468de7 (diff) | |
| download | nfs-utils-5bf27d95b9fb7611a1acedf6e29781dc7d405b5a.tar.gz nfs-utils-5bf27d95b9fb7611a1acedf6e29781dc7d405b5a.tar.xz nfs-utils-5bf27d95b9fb7611a1acedf6e29781dc7d405b5a.zip | |
nfsiostat: display NFS RPC queue time for mountstats and nfs-iostat
Display the NFS queue statistics for mountstats and nfsiostat
exported in /proc/self/mountstats. The RTT and total execution
time is currently displayed but it's also useful displaying
how long the task was queued for too
Signed-off-by: Steve Dickson <steved@redhat.com>
Diffstat (limited to 'tools/nfs-iostat/nfs-iostat.py')
| -rw-r--r-- | tools/nfs-iostat/nfs-iostat.py | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/tools/nfs-iostat/nfs-iostat.py b/tools/nfs-iostat/nfs-iostat.py index 577a23d..7cbe543 100644 --- a/tools/nfs-iostat/nfs-iostat.py +++ b/tools/nfs-iostat/nfs-iostat.py @@ -326,6 +326,7 @@ class DeviceData: ops = float(rpc_stats[0]) retrans = float(rpc_stats[1] - rpc_stats[0]) kilobytes = float(rpc_stats[3] + rpc_stats[4]) / 1024 + queued_for = float(rpc_stats[5]) rtt = float(rpc_stats[6]) exe = float(rpc_stats[7]) @@ -335,11 +336,13 @@ class DeviceData: retrans_percent = (retrans * 100) / ops rtt_per_op = rtt / ops exe_per_op = exe / ops + queued_for_per_op = queued_for / ops else: kb_per_op = 0.0 retrans_percent = 0.0 rtt_per_op = 0.0 exe_per_op = 0.0 + queued_for_per_op = 0.0 op += ':' print(format(op.lower(), '<16s'), end='') @@ -348,7 +351,8 @@ class DeviceData: print(format('kB/op', '>16s'), end='') print(format('retrans', '>16s'), end='') print(format('avg RTT (ms)', '>16s'), end='') - print(format('avg exe (ms)', '>16s')) + print(format('avg exe (ms)', '>16s'), end='') + print(format('avg queue (ms)', '>16s')) print(format((ops / sample_time), '>24.3f'), end='') print(format((kilobytes / sample_time), '>16.3f'), end='') @@ -356,7 +360,8 @@ class DeviceData: retransmits = '{0:>10.0f} ({1:>3.1f}%)'.format(retrans, retrans_percent).strip() print(format(retransmits, '>16'), end='') print(format(rtt_per_op, '>16.3f'), end='') - print(format(exe_per_op, '>16.3f')) + print(format(exe_per_op, '>16.3f'), end='') + print(format(queued_for_per_op, '>16.3f')) def ops(self, sample_time): sends = float(self.__rpc_data['rpcsends']) @@ -429,7 +434,7 @@ def parse_stats_file(filename): words = line.split() if len(words) == 0: continue - if line.startswith("no device mounted") : + if line.startswith("no device mounted"): continue if words[0] == 'device': key = words[4] |