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| author |   Steven Rostedt (Red Hat) <srostedt@redhat.com> | 2013-03-05 21:52:25 -0500 |
|---|---|---|
| committer |   Steven Rostedt <rostedt@goodmis.org> | 2013-03-15 00:35:50 -0400 |
| commit | 121aaee7b0a82605d33af200c7e9ebab6fd6e444 (patch) | |
| tree | aae2624780787bf1f2cf0c35a22b08fab0cf4f4a /kernel/trace/trace.c | |
| parent | tracing: Add snapshot feature to instances (diff) | |
| download | linux-dev-121aaee7b0a82605d33af200c7e9ebab6fd6e444.tar.xz linux-dev-121aaee7b0a82605d33af200c7e9ebab6fd6e444.zip | |
tracing: Add per_cpu directory into tracing instances
Add the per_cpu directory to the created tracing instances:
cd /sys/kernel/debug/tracing/instances
mkdir foo
ls foo/per_cpu/cpu0
buffer_size_kb snapshot_raw trace trace_pipe_raw
snapshot stats trace_pipe
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 17671bc9a4b1..c547ebbe36ff 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -5506,6 +5506,7 @@ static __init void create_trace_instances(struct dentry *d_tracer) static void init_tracer_debugfs(struct trace_array *tr, struct dentry *d_tracer) { + int cpu; trace_create_file("trace_options", 0644, d_tracer, tr, &tracing_iter_fops); @@ -5538,12 +5539,15 @@ init_tracer_debugfs(struct trace_array *tr, struct dentry *d_tracer) trace_create_file("snapshot", 0644, d_tracer, (void *)&tr->trace_cpu, &snapshot_fops); #endif + + for_each_tracing_cpu(cpu) + tracing_init_debugfs_percpu(tr, cpu); + } static __init int tracer_init_debugfs(void) { struct dentry *d_tracer; - int cpu; trace_access_lock_init(); @@ -5583,9 +5587,6 @@ static __init int tracer_init_debugfs(void) create_trace_options_dir(&global_trace); - for_each_tracing_cpu(cpu) - tracing_init_debugfs_percpu(&global_trace, cpu); - return 0; } |