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tracing: move binary buffers into per cpu directory 

The binary_buffers directory in /debugfs/tracing held the files
to read the trace buffers in a binary format. This held one file
per CPU buffer. But we also have a per_cpu directory that holds
a way to read the pretty-print formats.

This patch moves the binary buffers into the per_cpu_directory:

 # ls /debug/tracing/per_cpu/cpu1/
trace  trace_pipe  trace_pipe_raw

The new name is called "trace_pipe_raw". The binary buffers always
acted similar to trace_pipe, except that they produce raw data.

Requested-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
This commit is contained in:
Steven Rostedt 2009-03-13 00:37:42 -04:00
parent bdc067582b
commit 7f96f93f02
1 changed files with 5 additions and 21 deletions
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26
kernel/trace/trace.c
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@ -3543,6 +3543,11 @@ static void tracing_init_debugfs_percpu(long cpu)
(void *) cpu, &tracing_fops);
if (!entry)
pr_warning("Could not create debugfs 'trace' entry\n");
entry = debugfs_create_file("trace_pipe_raw", 0444, d_cpu,
(void *) cpu, &tracing_buffers_fops);
if (!entry)
pr_warning("Could not create debugfs 'trace_pipe_raw' entry\n");
}
#ifdef CONFIG_FTRACE_SELFTEST
@ -3826,7 +3831,6 @@ static __init void create_trace_options_dir(void)
static __init int tracer_init_debugfs(void)
{
struct dentry *d_tracer;
struct dentry *buffers;
struct dentry *entry;
int cpu;
@ -3899,26 +3903,6 @@ static __init int tracer_init_debugfs(void)
pr_warning("Could not create debugfs "
"'trace_marker' entry\n");
buffers = debugfs_create_dir("binary_buffers", d_tracer);
if (!buffers)
pr_warning("Could not create buffers directory\n");
else {
int cpu;
char buf[64];
for_each_tracing_cpu(cpu) {
sprintf(buf, "%d", cpu);
entry = debugfs_create_file(buf, 0444, buffers,
(void *)(long)cpu,
&tracing_buffers_fops);
if (!entry)
pr_warning("Could not create debugfs buffers "
"'%s' entry\n", buf);
}
}
#ifdef CONFIG_DYNAMIC_FTRACE
entry = debugfs_create_file("dyn_ftrace_total_info", 0444, d_tracer,
&ftrace_update_tot_cnt,