[tip:perf/urgent] perf record: Don't use globals where not needed to

From: tip-bot for Arnaldo Carvalho de Melo
Date: Fri Oct 05 2012 - 04:51:00 EST


Commit-ID: 61eaa3be152afcbfb862a10f81341f96371c3ce3
Gitweb: http://git.kernel.org/tip/61eaa3be152afcbfb862a10f81341f96371c3ce3
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Mon, 1 Oct 2012 15:20:58 -0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 2 Oct 2012 18:36:40 -0300

perf record: Don't use globals where not needed to

Some variables were global but used in just one function, so move it to
where it belongs.

Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-2ce3v9qheiobs3sz6pxf4tud@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-record.c | 19 ++++++++++---------
1 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 8c029fe..e9231659 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -31,15 +31,6 @@
#include <sched.h>
#include <sys/mman.h>

-#define CALLCHAIN_HELP "do call-graph (stack chain/backtrace) recording: "
-
-#ifdef LIBUNWIND_SUPPORT
-static unsigned long default_stack_dump_size = 8192;
-static char callchain_help[] = CALLCHAIN_HELP "[fp] dwarf";
-#else
-static char callchain_help[] = CALLCHAIN_HELP "[fp]";
-#endif
-
enum write_mode_t {
WRITE_FORCE,
WRITE_APPEND
@@ -868,6 +859,8 @@ parse_callchain_opt(const struct option *opt __maybe_unused, const char *arg,
#ifdef LIBUNWIND_SUPPORT
/* Dwarf style */
} else if (!strncmp(name, "dwarf", sizeof("dwarf"))) {
+ const unsigned long default_stack_dump_size = 8192;
+
ret = 0;
rec->opts.call_graph = CALLCHAIN_DWARF;
rec->opts.stack_dump_size = default_stack_dump_size;
@@ -930,6 +923,14 @@ static struct perf_record record = {
.file_new = true,
};

+#define CALLCHAIN_HELP "do call-graph (stack chain/backtrace) recording: "
+
+#ifdef LIBUNWIND_SUPPORT
+static const char callchain_help[] = CALLCHAIN_HELP "[fp] dwarf";
+#else
+static const char callchain_help[] = CALLCHAIN_HELP "[fp]";
+#endif
+
/*
* XXX Will stay a global variable till we fix builtin-script.c to stop messing
* with it and switch to use the library functions in perf_evlist that came
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/