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| author | Alexander Z Lam <azl@google.com> | 2013-07-01 15:31:24 -0700 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2013-07-01 21:08:15 -0400 |
| commit | 2d71619c59fac95a5415a326162fa046161b938c (patch) | |
| tree | 6146f93e2a629e840ad54e08b4246a7c7ff2a608 | |
| parent | f1ed7c741fcd0c3d7d318e7c19813d89934b9296 (diff) | |
| download | linux-stable-2d71619c59fac95a5415a326162fa046161b938c.tar.gz linux-stable-2d71619c59fac95a5415a326162fa046161b938c.tar.bz2 linux-stable-2d71619c59fac95a5415a326162fa046161b938c.zip | |
tracing: Make trace_marker use the correct per-instance buffer
The trace_marker file was present for each new instance created, but it
added the trace mark to the global trace buffer instead of to
the instance's buffer.
Link: http://lkml.kernel.org/r/1372717885-4543-2-git-send-email-azl@google.com
Cc: David Sharp <dhsharp@google.com>
Cc: Vaibhav Nagarnaik <vnagarnaik@google.com>
Cc: Alexander Z Lam <lambchop468@gmail.com>
Cc: stable@vger.kernel.org # 3.10
Signed-off-by: Alexander Z Lam <azl@google.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| -rw-r--r-- | kernel/trace/trace.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 0dc50711d656..e04e7119633d 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -4391,6 +4391,7 @@ tracing_mark_write(struct file *filp, const char __user *ubuf, size_t cnt, loff_t *fpos) { unsigned long addr = (unsigned long)ubuf; + struct trace_array *tr = filp->private_data; struct ring_buffer_event *event; struct ring_buffer *buffer; struct print_entry *entry; @@ -4450,7 +4451,7 @@ tracing_mark_write(struct file *filp, const char __user *ubuf, local_save_flags(irq_flags); size = sizeof(*entry) + cnt + 2; /* possible \n added */ - buffer = global_trace.trace_buffer.buffer; + buffer = tr->trace_buffer.buffer; event = trace_buffer_lock_reserve(buffer, TRACE_PRINT, size, irq_flags, preempt_count()); if (!event) { |