diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | stapfuncs.5.in | 9 | ||||
| -rw-r--r-- | tapset/ChangeLog | 5 | ||||
| -rw-r--r-- | tapset/target_set.stp | 27 | ||||
| -rw-r--r-- | testsuite/ChangeLog | 5 | ||||
| -rwxr-xr-x | testsuite/buildok/fortyfive.stp | 3 |
6 files changed, 54 insertions, 0 deletions
@@ -1,5 +1,10 @@ 2007-08-16 Frank Ch. Eigler <fche@elastic.org> + PR 1315. + * stapfuncs.5.in: Document new target_set tapset. + +2007-08-16 Frank Ch. Eigler <fche@elastic.org> + * Makefile.am (install-exec-hook): Only make staprun setuid if "make install" is being run as root. * Makefile.in: Regenerated. diff --git a/stapfuncs.5.in b/stapfuncs.5.in index 0a35b543..71af8c9b 100644 --- a/stapfuncs.5.in +++ b/stapfuncs.5.in @@ -204,6 +204,15 @@ Return the pid of the target process. is_return:long () Return 1 if the probe point is a return probe. Deprecated. +.SS TARGET_SET +.TP +target_set_pid:long (tid:long) +Return whether the given process-id is within the "target set", that is whether +it is a descendent of the top-level target() process. +.TP +target_set_report:unknown () +Print a report about the target set, and their ancestry. + .SS ERRNO .TP errno_str:string (e:long) diff --git a/tapset/ChangeLog b/tapset/ChangeLog index 87c3db0b..7c96175c 100644 --- a/tapset/ChangeLog +++ b/tapset/ChangeLog @@ -1,3 +1,8 @@ +2007-08-16 Frank Ch. Eigler <fche@elastic.org> + + PR 1315. + * target_set.stp: New tapset file. + 2007-08-16 Martin Hunt <hunt@redhat.com> * aux_syscalls.stp (_sock_family_str): diff --git a/tapset/target_set.stp b/tapset/target_set.stp new file mode 100644 index 00000000..c7878c52 --- /dev/null +++ b/tapset/target_set.stp @@ -0,0 +1,27 @@ + +global _target_set # map: target-set-pid -> ancestor-pid + +function target_set_pid (pid) +{ + return ([pid] in _target_set) +} + +probe begin +{ + if (target()) _target_set [target()] = stp_pid() +} + +probe syscall.fork.return +{ + pid=pid() + if (pid in _target_set) next + ppid=ppid() + if (ppid in _target_set) _target_set[pid]=ppid +} + +function target_set_report () +{ + printf("target set:\n") + foreach (pid in _target_set+) + printf("%d begat %d\n", _target_set[pid], pid) +} diff --git a/testsuite/ChangeLog b/testsuite/ChangeLog index 030848e5..db477c27 100644 --- a/testsuite/ChangeLog +++ b/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-08-16 Frank Ch. Eigler <fche@elastic.org> + + PR 1315. + * buildok/fortyfive.stp: New test. + 2007-08-16 Josh Stone <joshua.i.stone@intel.com> PR 4591 diff --git a/testsuite/buildok/fortyfive.stp b/testsuite/buildok/fortyfive.stp new file mode 100755 index 00000000..0d5b82ed --- /dev/null +++ b/testsuite/buildok/fortyfive.stp @@ -0,0 +1,3 @@ +#! stap -p4 +probe syscall.write { if (target_set_pid (pid())) printf ("%d (%d)\n", pid(), ppid()) } +probe end { target_set_report () } |