[Bug 936] New: pmie falling operator does not insert instance (%i) and value (%v)

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http://oss.sgi.com/bugzilla/show_bug.cgi?id=936

           Summary: pmie falling operator does not insert instance (%i)
                    and value (%v)
           Product: pcp
           Version: unspecified
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P5
         Component: pcp
        AssignedTo: mort@xxxxxxx
        ReportedBy: azzurrow@xxxxxxxxx
                CC: pcp@xxxxxxxxxxx
   Estimated Hours: 0.0
    Classification: Unclassified


The pmie rising and falling operators allow to implement threshold monitoring
using upper and lower limits.
There seems to be a bug in the falling operator that inhibits the insertion of
instance and value.
In particular the former is required for any alarms handling.
All tests were done with PCP V3.6.10. The O/S is RedHat EL 5.6 x6_64.

[root@lggwsl32 ~]# pmie -t 10 -v
falling some_inst match_inst "^(/dev/root|/dev/cciss)" (
        filesys.full > 40
) -> print "normal file system util" " [%i] %v ";
expr_1: ?

expr_1: false

expr_1: false

Fri Dec  7 11:16:49 2012: normal file system util
expr_1: true

[root@lggwsl32 ~]# pmie -t 10 -v
falling some_inst match_inst "^(/dev/root|/dev/cciss)" (
        filesys.full > 40
) -> print "normal file system util [%i] %v ";
expr_1: ?

expr_1: false

expr_1: false

Fri Dec  7 11:17:48 2012: (null)
expr_1: true

The rising operators works
[root@lggwsl32 SW]# pmie -t 10 -v
rising some_inst match_inst "^(/dev/root|/dev/cciss)" (
    filesys.full > 50
) -> print "high file system util" " [%i] %v ";

falling some_inst match_inst "^(/dev/root|/dev/cciss)" (
    filesys.full > 40
) -> print "normal file system util" " [%i] %v ";
^D

expr_1: ?
expr_2: ?

expr_1: false
expr_2: false

Fri Dec  7 09:34:07 2012: high file system util [/dev/cciss/c0d0p1] 53 
expr_1: true
expr_2: false

expr_1: false
expr_2: false

Fri Dec  7 09:34:27 2012: normal file system util
expr_1: false
expr_2: true

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