Oleg Nesterov b8ebfd3f71 tracing/function: Avoid perf_trace_buf_*() if event_function.perf_events is empty ... perf_trace_buf_prepare() + perf_trace_buf_submit(head, task => NULL) make no sense if hlist_empty(head). Change perf_ftrace_function_call() to check event_function.perf_events beforehand. Link: http://lkml.kernel.org/r/20130617170204.GA19803@redhat.com Acked-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>		2013-07-18 21:31:27 -04:00
..
blktrace.c	Merge branch 'for-3.10/drivers' of git://git.kernel.dk/linux-block	2013-05-08 11:51:05 -07:00
ftrace.c	ftrace: Do not run selftest if command line parameter is set	2013-07-01 20:57:15 -04:00
Kconfig	ring-buffer: Select IRQ_WORK	2013-05-03 19:24:17 -04:00
Makefile
power-traces.c	PM / tracing: remove deprecated power trace API	2013-01-26 00:39:12 +01:00
ring_buffer.c	tracing: Typo fix on ring buffer comments	2013-07-18 21:31:26 -04:00
ring_buffer_benchmark.c
rpm-traces.c
trace.c	tracing: Use correct config guard CONFIG_STACK_TRACER	2013-07-15 12:38:10 -04:00
trace.h	The majority of the changes here are cleanups for the large changes that	2013-07-11 09:02:09 -07:00
trace_branch.c	tracing: Fix the branch tracer that broke with buffer change	2013-03-15 00:35:54 -04:00
trace_clock.c	tracing: Add "uptime" trace clock that uses jiffies	2013-03-15 00:36:09 -04:00
trace_entries.h	tracing: Add trace_puts() for even faster trace_printk() tracing	2013-03-15 00:35:55 -04:00
trace_event_perf.c	tracing/function: Avoid perf_trace_buf_*() if event_function.perf_events is empty	2013-07-18 21:31:27 -04:00
trace_events.c	tracing: Fix race between deleting buffer and setting events	2013-07-02 20:42:25 -04:00
trace_events_filter.c	tracing: Use trace_seq_puts()/trace_seq_putc() where possible	2013-07-18 21:30:36 -04:00
trace_events_filter_test.h
trace_export.c	tracing: Fix some section mismatch warnings	2013-03-15 00:34:54 -04:00
trace_functions.c	tracing: Add function probe to trigger a ftrace dump of current CPU trace	2013-06-11 18:38:48 -04:00
trace_functions_graph.c	tracing: Use trace_seq_puts()/trace_seq_putc() where possible	2013-07-18 21:30:36 -04:00
trace_irqsoff.c	tracing: Use flag buffer_disabled for irqsoff tracer	2013-07-01 20:34:28 -04:00
trace_kdb.c	tracing: Consolidate max_tr into main trace_array structure	2013-03-15 00:35:40 -04:00
trace_kprobe.c	tracing/kprobes: Don't pass addr=ip to perf_trace_buf_submit()	2013-07-01 20:34:28 -04:00
trace_mmiotrace.c	tracing: Use trace_seq_puts()/trace_seq_putc() where possible	2013-07-18 21:30:36 -04:00
trace_nop.c
trace_output.c	tracing: Use trace_seq_puts()/trace_seq_putc() where possible	2013-07-18 21:30:36 -04:00
trace_output.h	tracing: Rename trace_event_mutex to trace_event_sem	2013-03-15 13:22:10 -04:00
trace_printk.c
trace_probe.c
trace_probe.h	uprobes/tracing: Introduce is_trace_uprobe_enabled()	2013-02-08 18:24:30 +01:00
trace_sched_switch.c	tracing: Consolidate max_tr into main trace_array structure	2013-03-15 00:35:40 -04:00
trace_sched_wakeup.c	tracing: Add function-trace option to disable function tracing of latency tracers	2013-03-15 00:36:08 -04:00
trace_selftest.c	ftrace: Do not run selftest if command line parameter is set	2013-07-01 20:57:15 -04:00
trace_selftest_dynamic.c
trace_stack.c	Tracing updates for Linux 3.10	2013-04-29 13:55:38 -07:00
trace_stat.c	tracing: Check return value of tracing_init_dentry()	2013-04-12 23:02:32 -04:00
trace_stat.h
trace_syscalls.c	tracing: Use trace_seq_puts()/trace_seq_putc() where possible	2013-07-18 21:30:36 -04:00
trace_uprobe.c	uprobes: Fix return value in error handling path	2013-07-02 20:42:29 -04:00