From: "Steven Rostedt (Red Hat)" <[email protected]> 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 <[email protected]> --- kernel/trace/trace.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 163743a..e6547ea 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -5470,6 +5470,7 @@ 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); @@ -5502,12 +5503,15 @@ 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(); @@ -5547,9 +5551,6 @@ 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; } -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
