| commit | 2dc8f09571a61d9cb3dc47bba6608689dfe15d16 | |
| author | Steven Rostedt <rostedt@goodmis.org> | |
| Mon, 12 May 2008 19:20:58 +0000 (12 21:20 +0200) | ||
| committer | Thomas Gleixner <tglx@linutronix.de> | |
| Fri, 23 May 2008 19:47:07 +0000 (23 21:47 +0200) | ||
| tree | 5f23089a821ecff3ae9c57206b10d911f67cd279 | treesnapshot (tar.gz zip) |
| parent | 845279972f1736c3463c9cebd1bad92a0a347176 | commitdiff |
ftrace: trace_pipe implement NONBLOCK
This patch implements "NONBLOCK" for trace_pipe. If the trace_pipe is opened
with O_NONBLOCK, then the trace_pipe read will not block when buffer is empty.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This patch implements "NONBLOCK" for trace_pipe. If the trace_pipe is opened
with O_NONBLOCK, then the trace_pipe read will not block when buffer is empty.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| kernel/trace/trace.c | diffblobblamehistory |