Note: Use of this command is not supported except with the direct assistance of Rational Customer Support.
The mvfstime command executes a command and reports on these statistics:
Use this command to perform timing experiments for applications running in a ClearCase environment.
The statistics gathered while command is running under mvfstime are systemwide statistics for that time period and are not limited to that command's activities. To get an accurate reading of the MVFS activity of command, make sure that no other activity is taking place on the machine when you invoke mvfstime.
For information about UNIX statistics, see the csh(1) reference page.
% /opt/rational/etc/mvfstime -iclr clearmake
----------------- Started at Mon Jul 19 10:58:48 1999 -------------------
cp test2.txt file2sub.txt
cp file2sub.txt file2.txt
cat file1.txt > foo
cat file2.txt >> foo
----------------- Ended at Mon Jul 19 10:59:01 1999 -------------------
time: 0.7u 0.9s 0:13 13% 0+0io 0pf+0w
Directory Name Cache: 93 calls
82 ( 88.2%) hit:
24 current directory
0/1 directories ( 0.0%)
42/48 regular files ( 87.5%)
16/26 name not found ( 61.5%)
11 ( 11.8%) miss
0 event misses
17 ( 18.3%) add:
1 directories
6 regular files
10 name not found
Attribute cache: 287 calls
274 ( 95.5%) hit: 2 lvut-generated
13 ( 4.5%) miss:
10 close-to-open
0 build generation mismatch
0 timed out
0 new
3 vob/view event;
0 lvut also missed
56 updates
14 unexpected modifications
7 expected modifications
0 VOB/view cache modifications
Cleartext I/O:
Cleartext layer:
-------clriotype------calls---c/s------rt--rt/call-rt%
get 3 0.23 0.001 0.000 0%
create 5 0.38 0.142 0.028 1%
read 19 1.46 0.017 0.001 0%
write 19 1.46 0.006 0.000 0%
open 12 0.92 0.000 0.000 0%
clrio total: 58 4.46 0.167 1%
MVFS layer:
-------clriotype------calls---c/s------rt--rt/call-rt%--mvfs%
cto_getattr 10 0.77 0.016 0.002 0%
read 19 1.46 0.002 0.000 0% 11%
write 19 1.46 0.002 0.000 0% 25%
get/open/cto 16 1.23 0.216 0.013 2% 92%
Remote calls to view server:
----------rpc-------calls---c/s------rt--rt/call
setattr 18 1.38 0.176 0.010 1%
create 5 0.38 0.102 0.020 1%
rename 2 0.15 0.132 0.066 1%
readdir 1 0.08 0.006 0.006 0%
cltxt 3 0.23 0.012 0.004 0%
chg oid 7 0.54 0.201 0.029 2%
revalidate 1 0.08 0.007 0.007 0%
ch mtype 3 0.23 0.028 0.009 0%
lookup 11 0.85 0.036 0.003 0%
getattr 13 1.00 0.021 0.002 0%
replica root 1 0.08 0.002 0.002 0%
rpc total: 65 5.00 0.722 6% 0 retransmissions
RPC handles:
gets 65
creates 0 ( 0% of gets)
destroys 0
Largest excessive RPC delay: 0 seconds
G:\smg_bld> mvfstime –iclr omake
copy test.txt test
1 file(s) copied.
Child process created on 07/19/1999 at 10:52:20.488
Child process ended on 07/19/1999 at 10:52:25.855
time: 0.1u 0.2s 0:05 6%
Directory Name Cache: 102 calls
88 ( 86.3%) hit:
1 current directory
40/40 directories (100.0%)
26/30 regular files ( 86.7%)
21/28 name not found ( 75.0%)
14 ( 13.7%) miss
1 event misses
11 ( 10.8%) add:
0 directories
4 regular files
7 name not found
Attribute cache: 250 calls
234 ( 93.6%) hit: 0 lvut-generated
16 ( 6.4%) miss:
13 close-to-open
0 build generation mismatch
0 timed out
0 new
3 vob/view event;
0 lvut also missed
45 updates
4 unexpected modifications
4 expected modifications
0 VOB/view cache modifications
Cleartext I/O:
Cleartext layer:
-------clriotype------calls---c/s------rt--rt/call-rt%
get 4 0.72 0.010 0.003 0%
create 2 0.36 0.000 0.000 0%
read 7 1.27 0.000 0.000 0%
write 7 1.27 0.000 0.000 0%
open 13 2.35 0.000 0.000 0%
clrio total: 33 5.97 0.010 0%
MVFS layer:
-------clriotype------calls---c/s------rt--rt/call-rt%--mvfs%
cto_getattr 13 2.35 0.030 0.002 1%
read 7 1.27 0.000 0.000 0% 0%
write 7 1.27 0.000 0.000 0% 0%
get/open/cto 41 7.42 0.060 0.001 1% 60%
Remote calls to view server:
----------rpc-------calls---c/s------rt--rt/call
setattr 5 0.90 0.010 0.002 0%
create 2 0.36 0.020 0.010 0%
remove 1 0.18 0.000 0.000 0%
rename 1 0.18 0.010 0.010 0%
readdir 8 1.45 0.010 0.001 0%
chg oid 7 1.27 0.060 0.009 1%
revalidate 8 1.45 0.010 0.001 0%
ch mtype 1 0.18 0.010 0.010 0%
lookup 6 1.09 0.010 0.002 0%
getattr 16 2.89 0.030 0.002 1%
rpc total: 55 9.95 0.170 3% 0 retransmissions
RPC handles:
gets 55
creates 0 ( 0% of gets)
destroys 0
Largest excessive RPC delay: 0 seconds
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