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tracing: Fix comment typo and documentation example

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Trivial patch to fix a documentation example and to fix a
comment.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20091023233646.871719877@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jiri Olsa 2009-10-23 19:36:18 -04:00 committed by Ingo Molnar
parent 3e69533b51
commit 67b394f7f2
2 changed files with 3 additions and 1 deletions
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2
Documentation/trace/ftrace.txt
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@ -1231,6 +1231,7 @@ something like this simple program:
#include <sys/stat.h> #include <sys/stat.h>
#include <fcntl.h> #include <fcntl.h>
#include <unistd.h> #include <unistd.h>
#include <string.h>
#define _STR(x) #x #define _STR(x) #x
#define STR(x) _STR(x) #define STR(x) _STR(x)
@ -1265,6 +1266,7 @@ const char *find_debugfs(void)
return NULL; return NULL;
} }
strcat(debugfs, "/tracing/");
debugfs_found = 1; debugfs_found = 1;
return debugfs; return debugfs;

2
kernel/trace/ring_buffer.c
View file

@ -2681,7 +2681,7 @@ unsigned long ring_buffer_entries(struct ring_buffer *buffer)
EXPORT_SYMBOL_GPL(ring_buffer_entries); EXPORT_SYMBOL_GPL(ring_buffer_entries);
/** /**
* ring_buffer_overrun_cpu - get the number of overruns in buffer * ring_buffer_overruns - get the number of overruns in buffer
* @buffer: The ring buffer * @buffer: The ring buffer
* *
* Returns the total number of overruns in the ring buffer * Returns the total number of overruns in the ring buffer