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authorSteven Rostedt (Red Hat) <srostedt@redhat.com>2013-03-06 02:52:25 (GMT)
committerSteven Rostedt <rostedt@goodmis.org>2013-03-15 04:35:50 (GMT)
commit121aaee7b0a82605d33af200c7e9ebab6fd6e444 (patch)
treeaae2624780787bf1f2cf0c35a22b08fab0cf4f4a /kernel/trace
parentce9bae55972b228cf7bac34350c4d2caf8ea0d0b (diff)
downloadlinux-fsl-qoriq-121aaee7b0a82605d33af200c7e9ebab6fd6e444.tar.xz
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')
-rw-r--r--kernel/trace/trace.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 17671bc..c547ebb 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;
}