[Bug translator/15907] New: listing probe lines gives odd results

dsmith at redhat dot com sourceware-bugzilla@sourceware.org
Thu Aug 29 18:24:00 GMT 2013


https://sourceware.org/bugzilla/show_bug.cgi?id=15907

            Bug ID: 15907
           Summary: listing probe lines gives odd results
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
          Assignee: systemtap at sourceware dot org
          Reporter: dsmith at redhat dot com

While debugging stmt_rel.exp failures, I came across this oddity. This is on
rawhide (3.11.0-0.rc6.git4.1.fc21.x86_64), but I've seen similar behavior on
other kernels:

====
# stap -l 'kernel.function("vfs_read")'
kernel.function("vfs_read@fs/read_write.c:382")
# stap -l 'kernel.statement("vfs_read@fs/read_write.c+1")'
kernel.statement("vfs_read@fs/read_write.c:386")
# stap -l 'kernel.statement("vfs_read@fs/read_write.c+2")'
kernel.statement("vfs_read@fs/read_write.c:386")
# stap -l 'kernel.statement("vfs_read@fs/read_write.c+3")'
# stap -l 'kernel.statement("vfs_read@fs/read_write.c+4")'
kernel.statement("vfs_read@fs/read_write.c:387")
# stap -l 'kernel.statement("vfs_read@fs/read_write.c:*")'
kernel.statement("vfs_read@fs/read_write.c:387")
kernel.statement("vfs_read@fs/read_write.c:389")
kernel.statement("vfs_read@fs/read_write.c:390")
kernel.statement("vfs_read@fs/read_write.c:391")
kernel.statement("vfs_read@fs/read_write.c:393")
kernel.statement("vfs_read@fs/read_write.c:394")
kernel.statement("vfs_read@fs/read_write.c:399")
kernel.statement("vfs_read@fs/read_write.c:400")
kernel.statement("vfs_read@fs/read_write.c:408")
====

I'm not sure the above makes much sense.

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