tracing: fix typos in comments

Impact: clean up.

Fix typos in the comments.

Signed-off-by: Wenji Huang <wenji.huang@oracle.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>

diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index 3c103d6..8e6646a 100644 (file)
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -8,7 +8,7 @@ struct ring_buffer;
 struct ring_buffer_iter;
 
 /*
- * Don't reference this struct directly, use functions below.
+ * Don't refer to this struct directly, use functions below.
  */
 struct ring_buffer_event {
        u32             type:2, len:3, time_delta:27;

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 10d202e..fa64e1f 100644 (file)
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -91,7 +91,7 @@ EXPORT_SYMBOL_GPL(tracing_off);
  * tracing_off_permanent - permanently disable ring buffers
  *
  * This function, once called, will disable all ring buffers
- * permanenty.
+ * permanently.
  */
 void tracing_off_permanent(void)
 {
@@ -210,7 +210,7 @@ EXPORT_SYMBOL_GPL(ring_buffer_event_data);
 
 struct buffer_data_page {
        u64              time_stamp;    /* page time stamp */
-       local_t          commit;        /* write commited index */
+       local_t          commit;        /* write committed index */
        unsigned char    data[];        /* data of buffer page */
 };
 
@@ -260,7 +260,7 @@ struct ring_buffer_per_cpu {
        struct list_head                pages;
        struct buffer_page              *head_page;     /* read from head */
        struct buffer_page              *tail_page;     /* write to tail */
-       struct buffer_page              *commit_page;   /* commited pages */
+       struct buffer_page              *commit_page;   /* committed pages */
        struct buffer_page              *reader_page;
        unsigned long                   overrun;
        unsigned long                   entries;
@@ -303,7 +303,7 @@ struct ring_buffer_iter {
  * check_pages - integrity check of buffer pages
  * @cpu_buffer: CPU buffer with pages to test
  *
- * As a safty measure we check to make sure the data pages have not
+ * As a safety measure we check to make sure the data pages have not
  * been corrupted.
  */
 static int rb_check_pages(struct ring_buffer_per_cpu *cpu_buffer)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index d898212..d7c175a 100644 (file)
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1963,7 +1963,7 @@ tracing_trace_options_read(struct file *filp, char __user *ubuf,
        struct tracer_opt *trace_opts = current_trace->flags->opts;
 
 
-       /* calulate max size */
+       /* calculate max size */
        for (i = 0; trace_options[i]; i++) {
                len += strlen(trace_options[i]);
                len += 3; /* "no" and space */

diff --git a/kernel/trace/trace_hw_branches.c b/kernel/trace/trace_hw_branches.c
index e3e7db6..0794dd3 100644 (file)
--- a/kernel/trace/trace_hw_branches.c
+++ b/kernel/trace/trace_hw_branches.c
@@ -75,7 +75,7 @@ static void bts_trace_start(struct trace_array *tr)
 }
 
 /*
- * Start tracing on the current cpu.
+ * Stop tracing on the current cpu.
  * The argument is ignored.
  *
  * pre: bts_tracer_mutex must be locked.