Commit-ID: 39956e78010645ee9d121e6a6eb6d9892e3fc92e
Gitweb: http://git.kernel.org/tip/39956e78010645ee9d121e6a6eb6d9892e3fc92e
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Tue, 3 Dec 2013 14:09:39 +0100
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 4 Dec 2013 15:37:24 -0300
tools lib traceevent: Several cleanups for function plugin
Several cleanups suggested by Namhyung:
* Remove index field from struct func_stack as it's not needed.
* Rename get_index into add_and_get_index.
* Use '%*X' format string capability instead of the loop
Suggested-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1386076182-14484-26-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/lib/traceevent/plugin_function.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/tools/lib/traceevent/plugin_function.c b/tools/lib/traceevent/plugin_function.c
index 8deb22e..87acf9c 100644
--- a/tools/lib/traceevent/plugin_function.c
+++ b/tools/lib/traceevent/plugin_function.c
@@ -25,7 +25,6 @@
#include "event-utils.h"
static struct func_stack {
- int index;
int size;
char **stack;
} *fstack;
@@ -57,7 +56,7 @@ static void add_child(struct func_stack *stack, const char *child, int pos)
stack->stack[pos] = strdup(child);
}
-static int get_index(const char *parent, const char *child, int cpu)
+static int add_and_get_index(const char *parent, const char *child, int cpu)
{
int i;
@@ -97,7 +96,7 @@ static int function_handler(struct trace_seq *s, struct pevent_record *record,
unsigned long long pfunction;
const char *func;
const char *parent;
- int i, index;
+ int index;
if (pevent_get_field_val(s, event, "ip", record, &function, 1))
return trace_seq_putc(s, '!');
@@ -109,10 +108,9 @@ static int function_handler(struct trace_seq *s, struct pevent_record *record,
parent = pevent_find_function(pevent, pfunction);
- index = get_index(parent, func, record->cpu);
+ index = add_and_get_index(parent, func, record->cpu);
- for (i = 0; i < index; i++)
- trace_seq_printf(s, " ");
+ trace_seq_printf(s, "%*s", index*3, "");
if (func)
trace_seq_printf(s, "%s", func);
--
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