diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-08 12:06:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-08 12:06:09 -0700 |
| commit | f17f36bb1c006818441b84cf65a6decf3e59942b (patch) | |
| tree | 865b308feea81c3c399669e9ec191a4cdad3265b /kernel/trace/trace_branch.c | |
| parent | b924f9599dfd4a604761e84b1e920e480fb57f66 (diff) | |
| parent | 8f6e8a314ab37cadd72da5ace9027f2d04aba854 (diff) | |
Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
tracing: user local buffer variable for trace branch tracer
tracing: fix warning on kernel/trace/trace_branch.c andtrace_hw_branches.c
ftrace: check for failure for all conversions
tracing: correct module boundaries for ftrace_release
tracing: fix transposed numbers of lock_depth and preempt_count
trace: Fix missing assignment in trace_ctxwake_*
tracing: Use free_percpu instead of kfree
tracing: Check total refcount before releasing bufs in profile_enable failure
Diffstat (limited to 'kernel/trace/trace_branch.c')
| -rw-r--r-- | kernel/trace/trace_branch.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c index 7a7a9fd249a..4a194f08f88 100644 --- a/kernel/trace/trace_branch.c +++ b/kernel/trace/trace_branch.c @@ -34,6 +34,7 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect) struct trace_array *tr = branch_tracer; struct ring_buffer_event *event; struct trace_branch *entry; + struct ring_buffer *buffer; unsigned long flags; int cpu, pc; const char *p; @@ -54,7 +55,8 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect) goto out; pc = preempt_count(); - event = trace_buffer_lock_reserve(tr, TRACE_BRANCH, + buffer = tr->buffer; + event = trace_buffer_lock_reserve(buffer, TRACE_BRANCH, sizeof(*entry), flags, pc); if (!event) goto out; @@ -74,8 +76,8 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect) entry->line = f->line; entry->correct = val == expect; - if (!filter_check_discard(call, entry, tr->buffer, event)) - ring_buffer_unlock_commit(tr->buffer, event); + if (!filter_check_discard(call, entry, buffer, event)) + ring_buffer_unlock_commit(buffer, event); out: atomic_dec(&tr->data[cpu]->disabled); |