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authorDave Brolley <brolley@redhat.com>2009-09-16 12:18:50 -0400
committerDave Brolley <brolley@redhat.com>2009-09-16 12:18:50 -0400
commit0f4a9cb5967714ace01e0941592040b8c1d83ee7 (patch)
treef97784dbd9392694931c1be99abf7920f6f0484b /runtime/task_finder.c
parentd83d7b513d38791751e46a05e382b1e6876abefc (diff)
parentd833f810e4ffaf5c9c16eebc7f10b9d14e53e508 (diff)
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Merge branch 'master' of ssh://sources.redhat.com/git/systemtap
Diffstat (limited to 'runtime/task_finder.c')
-rw-r--r--runtime/task_finder.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/runtime/task_finder.c b/runtime/task_finder.c
index 1a9a738a..6b50f1b9 100644
--- a/runtime/task_finder.c
+++ b/runtime/task_finder.c
@@ -45,18 +45,10 @@ static atomic_t __stp_attach_count = ATOMIC_INIT (0);
#define debug_task_finder_attach() (atomic_inc(&__stp_attach_count))
#define debug_task_finder_detach() (atomic_dec(&__stp_attach_count))
-#ifdef DEBUG_TASK_FINDER_PRINTK
-#define debug_task_finder_report() (printk(KERN_ERR \
- "%s:%d attach count: %d, inuse count: %d\n", \
- __FUNCTION__, __LINE__, \
- atomic_read(&__stp_attach_count), \
- atomic_read(&__stp_inuse_count)))
-#else
#define debug_task_finder_report() (_stp_dbug(__FUNCTION__, __LINE__, \
"attach count: %d, inuse count: %d\n", \
atomic_read(&__stp_attach_count), \
atomic_read(&__stp_inuse_count)))
-#endif /* !DEBUG_TASK_FINDER_PRINTK */
#else
#define debug_task_finder_attach() /* empty */
#define debug_task_finder_detach() /* empty */
@@ -1357,7 +1349,6 @@ stap_start_task_finder(void)
char *mmpath_buf;
uid_t tsk_euid;
- debug_task_finder_report();
mmpath_buf = _stp_kmalloc(PATH_MAX);
if (mmpath_buf == NULL) {
_stp_error("Unable to allocate space for path");
@@ -1443,7 +1434,7 @@ stap_start_task_finder(void)
#ifndef STP_PRIVILEGED
/* Make sure unprivileged users only probe their own threads. */
if (_stp_uid != tsk_euid) {
- if (tgt->pid != 0) {
+ if (tgt->pid != 0 || _stp_target) {
_stp_warn("Process %d does not belong to unprivileged user %d",
tsk->pid, _stp_uid);
}
@@ -1462,8 +1453,8 @@ stap_start_task_finder(void)
} while_each_thread(grp, tsk);
stf_err:
rcu_read_unlock();
-
_stp_kfree(mmpath_buf);
+ debug_task_finder_report(); // report at end for utrace engine counting
return rc;
}