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| author | Dave Brolley <brolley@redhat.com> | 2009-06-22 11:37:08 -0400 |
|---|---|---|
| committer | Dave Brolley <brolley@redhat.com> | 2009-06-22 11:37:08 -0400 |
| commit | d6454850dd3c9d74b700924b56378c4c9ab9fa57 (patch) | |
| tree | 6665a24339ca689b1156ea7e93d4f93811c3f794 /tapset/target_set.stp | |
| parent | d729143af5242b17645d3f405141918940680894 (diff) | |
| parent | 4116c576d5654287b0af598aee4a14eb2af73224 (diff) | |
| download | systemtap-steved-d6454850dd3c9d74b700924b56378c4c9ab9fa57.tar.gz systemtap-steved-d6454850dd3c9d74b700924b56378c4c9ab9fa57.tar.xz systemtap-steved-d6454850dd3c9d74b700924b56378c4c9ab9fa57.zip | |
Merge branch 'master' of git://sources.redhat.com/git/systemtap
Diffstat (limited to 'tapset/target_set.stp')
| -rw-r--r-- | tapset/target_set.stp | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/tapset/target_set.stp b/tapset/target_set.stp index c7878c52..9a4beced 100644 --- a/tapset/target_set.stp +++ b/tapset/target_set.stp @@ -3,25 +3,33 @@ global _target_set # map: target-set-pid -> ancestor-pid function target_set_pid (pid) { - return ([pid] in _target_set) + return ([pid] in _target_set) } probe begin { - if (target()) _target_set [target()] = stp_pid() + if (target()) + _target_set[target()] = stp_pid() } -probe syscall.fork.return +probe nd_syscall.fork.return { - pid=pid() - if (pid in _target_set) next - ppid=ppid() - if (ppid in _target_set) _target_set[pid]=ppid + pid = returnval() + if (pid in _target_set) + next + ppid = pid() + if (ppid in _target_set) + _target_set[pid] = ppid +} + +probe nd_syscall.exit +{ + delete _target_set[pid()] } function target_set_report () { - printf("target set:\n") - foreach (pid in _target_set+) - printf("%d begat %d\n", _target_set[pid], pid) + printf("target set:\n") + foreach (pid in _target_set+) + printf("%d begat %d\n", _target_set[pid], pid) } |