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| author | Jim Keniston <jkenisto@us.ibm.com> | 2009-03-23 15:51:58 -0700 |
|---|---|---|
| committer | Jim Keniston <jkenisto@us.ibm.com> | 2009-03-23 15:51:58 -0700 |
| commit | 1cd9c3ad40595180123083109e5b7d1230095f54 (patch) | |
| tree | d1226de1275b40803f3e1c9d446232612b9a61a9 /tapset/task.stp | |
| parent | d8b7418ba4cf2bf2571f66a42517b9bced1b9132 (diff) | |
| parent | d4db5608dbc31868a2041f20ea3f473eef3e61fd (diff) | |
| download | systemtap-steved-1cd9c3ad40595180123083109e5b7d1230095f54.tar.gz systemtap-steved-1cd9c3ad40595180123083109e5b7d1230095f54.tar.xz systemtap-steved-1cd9c3ad40595180123083109e5b7d1230095f54.zip | |
Merge branch 'master' of ssh://kenistoj@sources.redhat.com/git/systemtap
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) { |