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| author | Steven Rostedt (Red Hat) <rostedt@goodmis.org> | 2013-03-09 08:36:53 -0500 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2013-03-15 00:35:58 -0400 |
| commit | 1c31714328be90764e46716f31fb0bd6da44c305 (patch) | |
| tree | 749d35b272ef7bc5f7c1ee84070d23afe2b425a5 /kernel/trace | |
| parent | 1b22e382ab40b0e3ee5abb3e310dffb16fee22aa (diff) | |
| download | kernel_goldelico_gta04-1c31714328be90764e46716f31fb0bd6da44c305.zip kernel_goldelico_gta04-1c31714328be90764e46716f31fb0bd6da44c305.tar.gz kernel_goldelico_gta04-1c31714328be90764e46716f31fb0bd6da44c305.tar.bz2 | |
tracing: Consolidate updating of count for traceon/off
Remove some duplicate code and replace it with a helper function.
This makes the code a it cleaner.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace_functions.c | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c index e467c0c..38cfb29 100644 --- a/kernel/trace/trace_functions.c +++ b/kernel/trace/trace_functions.c @@ -214,38 +214,37 @@ static struct tracer function_trace __read_mostly = }; #ifdef CONFIG_DYNAMIC_FTRACE -static void -ftrace_traceon(unsigned long ip, unsigned long parent_ip, void **data) +static int update_count(void **data) { - long *count = (long *)data; - - if (tracing_is_on()) - return; + unsigned long *count = (long *)data; if (!*count) - return; + return 0; if (*count != -1) (*count)--; - tracing_on(); + return 1; } static void -ftrace_traceoff(unsigned long ip, unsigned long parent_ip, void **data) +ftrace_traceon(unsigned long ip, unsigned long parent_ip, void **data) { - long *count = (long *)data; - - if (!tracing_is_on()) + if (tracing_is_on()) return; - if (!*count) - return; + if (update_count(data)) + tracing_on(); +} - if (*count != -1) - (*count)--; +static void +ftrace_traceoff(unsigned long ip, unsigned long parent_ip, void **data) +{ + if (!tracing_is_on()) + return; - tracing_off(); + if (update_count(data)) + tracing_off(); } static int |