Frederic Weisbecker b118415bfa tracing/events: don't discard an event after commit ... When we want to filter an event, the filter test is done after the event is commited to the ring-buffer to be discarded later if needed. But a reader could be reading this event while we are trying to discard it. Other kind of racy events can even happen because the event is commited and can be read and/or consumed. What we want is to discard the event before committing it. Reported-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <1237763919-21505-1-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>		2009-03-23 09:22:15 +01:00
..
blktrace.c	tracing: protect reader of cmdline output	2009-03-16 23:27:06 -04:00
events.c	ftrace: event profile hooks	2009-03-20 10:17:07 +01:00
ftrace.c	tracing/ftrace: fix the check on nopped sites	2009-03-16 22:15:36 -04:00
Kconfig	tracing/syscalls: select kallsysms	2009-03-16 09:13:17 +01:00
kmemtrace.c	tracing: Introduce trace_buffer_{lock_reserve,unlock_commit}	2009-02-06 01:01:41 +01:00
Makefile	tracing: add per-event filtering	2009-03-22 18:38:46 +01:00
ring_buffer.c	tracing: add ring_buffer_event_discard() to ring buffer	2009-03-22 18:38:25 +01:00
trace_boot.c	tracing: Introduce trace_buffer_{lock_reserve,unlock_commit}	2009-02-06 01:01:41 +01:00
trace_branch.c	tracing: remove funky whitespace in the trace code	2009-03-10 14:13:14 -04:00
trace_clock.c	trace_clock: fix preemption bug	2009-03-10 20:03:01 +01:00
trace_event_profile.c	ftrace: event profile hooks	2009-03-20 10:17:07 +01:00
trace_event_types.h	tracing: remove recording function depth from trace_printk	2009-03-19 15:58:47 -04:00
trace_events_filter.c	tracing: add per-subsystem filtering	2009-03-22 18:38:47 +01:00
trace_events_stage_1.h	tracing: update comments to match event code macros	2009-03-10 13:12:58 -04:00
trace_events_stage_2.h	tracing: add run-time field descriptions for event filtering	2009-03-22 18:11:22 +01:00
trace_events_stage_3.h	tracing/events: don't discard an event after commit	2009-03-23 09:22:15 +01:00
trace_events.c	tracing/events: make the filter files writable	2009-03-23 09:22:14 +01:00
trace_export.c	tracing: remove funky whitespace in the trace code	2009-03-10 14:13:14 -04:00
trace_functions_graph.c	function-graph: show binary events as comments	2009-03-19 15:58:56 -04:00
trace_functions.c	tracing/core: use appropriate waiting on trace_pipe	2009-02-18 01:40:20 +01:00
trace_hw_branches.c	tracing/hw-branch-tracing: convert bts-tracer mutex to a spinlock	2009-02-25 09:16:01 +01:00
trace_irqsoff.c	tracing: have latency tracers set the latency format	2009-03-04 22:15:30 -05:00
trace_mmiotrace.c	tracing: remove recording function depth from trace_printk	2009-03-19 15:58:47 -04:00
trace_nop.c	tracing/ftrace: make nop-tracer use polling wait for events on pipe	2009-03-23 09:22:15 +01:00
trace_output.c	ftrace: ensure every event gets an id	2009-03-20 10:17:06 +01:00
trace_output.h	tracing: make print_(b)printk_msg_only global	2009-03-19 15:57:55 -04:00
trace_power.c	tracing: make power tracer start/stop methods lighter weight	2009-03-17 23:12:11 -04:00
trace_printk.c	tracing: remove recording function depth from trace_printk	2009-03-19 15:58:47 -04:00
trace_sched_switch.c	tracing: make sched_switch stop/start light weight	2009-03-17 23:10:45 -04:00
trace_sched_wakeup.c	tracing: have latency tracers set the latency format	2009-03-04 22:15:30 -05:00
trace_selftest_dynamic.c	ftrace: fix dynamic ftrace selftest	2008-05-23 21:13:23 +02:00
trace_selftest.c	tracing: keep the tracing buffer after self-test failure	2009-03-22 15:17:21 +01:00
trace_stack.c	tracing: left align location header in stack_trace	2009-03-13 00:00:58 -04:00
trace_stat.c	tracing: fix typing mistake in hint message and comments	2009-02-17 12:38:24 -05:00
trace_stat.h	tracing/ftrace: separate events tracing and stats tracing engine	2009-01-14 12:11:37 +01:00
trace_syscalls.c	tracing/syscalls: protect thread flag toggling from races	2009-03-16 09:13:16 +01:00
trace_sysprof.c	tracing: make all file_operations const	2009-03-05 21:46:40 -05:00
trace_workqueue.c	tracing: Don't use tracing_record_cmdline() in workqueue tracer fix	2009-03-12 21:23:47 -04:00
trace.c	tracing/events: don't use wake up for events	2009-03-23 09:22:14 +01:00
trace.h	tracing/events: don't use wake up for events	2009-03-23 09:22:14 +01:00