[Bug translator/10507] New: overhuge BSS for many-uprobe module

[fche at redhat dot com]

./stap -p4 -e 'probe process("./stap").function("*") {}' -tv
 size
/var/tmp/fche/systemtap/cache/fd/stap_fd4029e127dddcfa85d4fcdadac1a2b5_3707907.ko
    text    data     bss     dec     hex filename
  282340 3272252 177397188       180951780       ac91ae4
/var/tmp/fche/systemtap/cache/fd/stap_fd4029e127dddcfa85d4fcdadac1a2b5_3707907.ko
 the data's big, but look at that bss!  177MB.  crazy
 from "nm -S" | sort ...:
 000000e0 0031d8b0 d stap_uprobe_specs
 00000dc0 0a92d000 b stap_uprobes
 that's for about 25000 uprobes
 that's about 7 KB per uprobe .. whoa dude

-- 
           Summary: overhuge BSS for many-uprobe module
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: fche at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=10507

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