Jiaxing Wang 8b1291994d tracing: Make tracing work when debugfs is not configured in ... Currently tracing_init_dentry() returns -ENODEV when debugfs is not configured in, which causes tracefs not populated with tracing files and directories, so we will get an empty directory even after we manually mount tracefs. We can make tracing_init_dentry() return NULL if debugfs is not configured in and can manually mount tracefs. But return -ENODEV if debugfs is configured in but not initialized or failed to create automount point as that would break backward compatibility with older tools. Link: http://lkml.kernel.org/r/1446797056-11683-1-git-send-email-hello.wjx@gmail.com Signed-off-by: Jiaxing Wang <hello.wjx@gmail.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>		2015-11-06 10:02:33 -05:00
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blktrace.c	tracing: Move trace_flags from global to a trace_array field	2015-09-30 15:22:55 -04:00
bpf_trace.c	bpf: add support for %s specifier to bpf_trace_printk()	2015-08-28 16:27:27 -07:00
ftrace.c	ftrace: add module globbing	2015-10-20 20:02:03 -04:00
Kconfig	tracing: gpio: Add Kconfig option for enabling/disabling trace events	2015-10-20 21:56:10 -04:00
Makefile	bpf: Fix the build on BPF_SYSCALL=y && !CONFIG_TRACING kernels, make it more configurable	2015-04-02 16:28:06 +02:00
power-traces.c	PM / sleep: export suspend_resume trace event	2015-01-30 02:10:41 +01:00
ring_buffer.c	ring-buffer: rb_event_is_commit() can return boolean	2015-11-02 14:25:29 -05:00
ring_buffer_benchmark.c	ring_buffer: Remove unneeded smp_wmb() before wakeup of reader benchmark	2015-11-03 16:19:02 -05:00
rpm-traces.c	PM / Runtime: Introduce trace points for tracing rpm_* functions	2011-09-27 22:53:27 +02:00
trace.c	tracing: Make tracing work when debugfs is not configured in	2015-11-06 10:02:33 -05:00
trace.h	tracing: Remove redundant TP_ARGS redefining	2015-11-03 15:07:07 -05:00
trace_benchmark.c	tracing: Only benchmark the time tracepoints take if tracing is on	2015-11-02 13:34:58 -05:00
trace_benchmark.h	tracing: Add tracepoint benchmark tracepoint	2014-05-29 22:49:54 -04:00
trace_branch.c	tracing: Remove {start,stop}_branch_trace	2015-10-21 10:10:09 -04:00
trace_clock.c	tracing: Export tracing clock functions	2015-05-12 15:56:57 -04:00
trace_entries.h	tracing: %pF is only for function pointers	2015-03-25 08:57:22 -04:00
trace_event_perf.c	tracing: Rename ftrace_event_{call,class} to trace_event_{call,class}	2015-05-13 14:06:10 -04:00
trace_events.c	tracing: Put back comma for empty fields in boot string parsing	2015-11-03 22:15:14 -05:00
trace_events_filter.c	tracing: is_legal_op() can return boolean	2015-11-02 14:26:51 -05:00
trace_events_filter_test.h	tracing/filter: Add startup tests for events filter	2011-08-19 14:35:59 -04:00
trace_events_trigger.c	tracing: Rename ftrace_raw_##call event structures to trace_event_raw_##call	2015-05-13 21:48:40 -04:00
trace_export.c	tracing: ftrace_event_is_function() can return boolean	2015-11-02 14:28:05 -05:00
trace_functions.c	tracing/trivial: Fix typos and make an int into a bool	2014-11-20 10:05:36 -05:00
trace_functions_graph.c	tracing: Move trace_flags from global to a trace_array field	2015-09-30 15:22:55 -04:00
trace_irqsoff.c	tracing: report_latency() in trace_irqsoff.c can return boolean	2015-11-02 14:20:19 -05:00
trace_kdb.c	tracing: Move trace_flags from global to a trace_array field	2015-09-30 15:22:55 -04:00
trace_kprobe.c	lib: introduce strncpy_from_unsafe()	2015-08-28 16:27:27 -07:00
trace_mmiotrace.c	tracing: Pass trace_array into trace_buffer_unlock_commit()	2015-09-25 17:38:44 -04:00
trace_nop.c	tracing: Remove unneeded includes of debugfs.h and fs.h	2015-01-22 11:19:48 -05:00
trace_output.c	tracing: Move trace_flags from global to a trace_array field	2015-09-30 15:22:55 -04:00
trace_output.h	tracing: Turn seq_print_user_ip() into a static function	2015-09-28 10:16:12 -04:00
trace_printk.c	tracing: Remove access to trace_flags in trace_printk.c	2015-09-30 04:35:18 -04:00
trace_probe.c	trace: Don't use __weak in header files	2015-03-25 08:57:23 -04:00
trace_probe.h	kernel/trace_probe: is_good_name can be boolean	2015-09-22 13:11:30 -04:00
trace_sched_switch.c	sched: Introduce the 'trace_sched_waking' tracepoint	2015-08-03 12:21:22 +02:00
trace_sched_wakeup.c	tracing: report_latency() in trace_sched_wakeup.c can return boolean	2015-11-02 14:20:06 -05:00
trace_selftest.c	Seems that Peter Zijlstra added a new check that is making old	2014-10-12 07:28:55 -04:00
trace_selftest_dynamic.c	ftrace: Add self-tests for multiple function trace users	2011-05-18 19:24:51 -04:00
trace_seq.c	tracing: use %*pb[l] to print bitmaps including cpumasks and nodemasks	2015-02-13 21:21:37 -08:00
trace_stack.c	tracing: Rename max_stack_lock to stack_trace_max_lock	2015-11-03 14:50:15 -05:00
trace_stat.c	tracing: Convert the tracing facility over to use tracefs	2015-02-03 12:48:41 -05:00
trace_stat.h
trace_syscalls.c	tracing: Move trace_flags from global to a trace_array field	2015-09-30 15:22:55 -04:00
trace_uprobe.c	tracing/uprobes: Do not print '0x (null)' when offset is 0	2015-08-26 10:43:01 -03:00