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| author | David Smith <dsmith@redhat.com> | 2009-05-21 16:57:04 -0500 |
|---|---|---|
| committer | David Smith <dsmith@redhat.com> | 2009-05-21 16:57:04 -0500 |
| commit | c8e9eb18d8d13d099a4a177fe53de507c1d9ce8b (patch) | |
| tree | ab2388afb795ed1a7ead2fbbf8b9d1b368a8231f /tapset/task.stp | |
| parent | dd9a3bcbef65bde65491d959e9458bc641924811 (diff) | |
| parent | 3863e7999255deeaa7f8f4bba7df893773812537 (diff) | |
| download | systemtap-steved-c8e9eb18d8d13d099a4a177fe53de507c1d9ce8b.tar.gz systemtap-steved-c8e9eb18d8d13d099a4a177fe53de507c1d9ce8b.tar.xz systemtap-steved-c8e9eb18d8d13d099a4a177fe53de507c1d9ce8b.zip | |
Merge commit 'origin/master' into pr7043
Conflicts:
runtime/print.c
runtime/transport/transport.c
runtime/transport/transport_msgs.h
Diffstat (limited to 'tapset/task.stp')
| -rw-r--r-- | tapset/task.stp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tapset/task.stp b/tapset/task.stp index 07337156..f1a10b0a 100644 --- a/tapset/task.stp +++ b/tapset/task.stp @@ -63,6 +63,30 @@ function task_pid:long (task:long) } +// Return the task of the given process id +function pid2task:long (pid:long) %{ /* pure */ + struct task_struct *t = NULL; + pid_t t_pid = (pid_t)(long)THIS->pid; + rcu_read_lock(); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) + t = find_task_by_vpid (t_pid); +#else + t = find_task_by_pid (t_pid); +#endif + rcu_read_unlock(); + THIS->__retvalue = (long)t; + CATCH_DEREF_FAULT(); +%} + +// Return the name of the given process id +function pid2execname:string (pid:long) { + tsk = pid2task(pid) + if (tsk) + return task_execname(tsk) + return "" +} + + // Return the thread id of the given task function task_tid:long (task:long) { |