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Message-ID: <4D78A0A9.40000@cn.fujitsu.com>
Date: Thu, 10 Mar 2011 17:58:01 +0800
From: Lai Jiangshan <laijs@...fujitsu.com>
To: Steven Rostedt <rostedt@...dmis.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 3/3] trace-cmd: fold option parsing
Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
---
trace-listen.c | 12 +++++-------
trace-read.c | 35 +++++++++++++++--------------------
trace-record.c | 14 +++++---------
trace-stack.c | 32 +++++++++++++++-----------------
4 files changed, 40 insertions(+), 53 deletions(-)
diff --git a/trace-listen.c b/trace-listen.c
index e60c96b..daaffca 100644
--- a/trace-listen.c
+++ b/trace-listen.c
@@ -647,6 +647,8 @@ static void start_daemon(void)
die("starting daemon");
}
+#define OPT_debug 255
+
void trace_listen(int argc, char **argv)
{
char *logfile = NULL;
@@ -666,7 +668,7 @@ void trace_listen(int argc, char **argv)
static struct option long_options[] = {
{"port", required_argument, NULL, 'p'},
{"help", no_argument, NULL, '?'},
- {"debug", no_argument, NULL, 0},
+ {"debug", no_argument, NULL, OPT_debug},
{NULL, 0, NULL, 0}
};
@@ -696,12 +698,8 @@ void trace_listen(int argc, char **argv)
case 'D':
daemon = 1;
break;
- case 0:
- switch (option_index) {
- case 2:
- debug = 1;
- break;
- }
+ case OPT_debug:
+ debug = 1;
break;
default:
usage(argv);
diff --git a/trace-read.c b/trace-read.c
index 932f5aa..018476d 100644
--- a/trace-read.c
+++ b/trace-read.c
@@ -812,6 +812,10 @@ static void add_functions(struct pevent *pevent, const char *file)
free(buf);
}
+#define OPT_cpu 255
+#define OPT_events 254
+#define OPT_kallsyms 253
+
void trace_report (int argc, char **argv)
{
struct tracecmd_input *handle;
@@ -845,10 +849,10 @@ void trace_report (int argc, char **argv)
for (;;) {
int option_index = 0;
static struct option long_options[] = {
- {"cpu", required_argument, NULL, 0},
- {"events", no_argument, NULL, 0},
+ {"cpu", required_argument, NULL, OPT_cpu},
+ {"events", no_argument, NULL, OPT_events},
{"filter-test", no_argument, NULL, 'T'},
- {"kallsyms", required_argument, NULL, 0},
+ {"kallsyms", required_argument, NULL, OPT_kallsyms},
{"help", no_argument, NULL, '?'},
{NULL, 0, NULL, 0}
};
@@ -917,23 +921,14 @@ void trace_report (int argc, char **argv)
case 'q':
silence_warnings = 1;
break;
- case 0:
- switch(option_index) {
- case 0: /* cpu */
- parse_cpulist(optarg);
- break;
- case 1: /* events */
- print_events = 1;
- break;
- case 2: /* filter-test */
- test_filters = 1;
- break;
- case 3: /* kallsyms */
- functions = optarg;
- break;
- default:
- usage(argv);
- }
+ case OPT_cpu:
+ parse_cpulist(optarg);
+ break;
+ case OPT_events:
+ print_events = 1;
+ break;
+ case OPT_kallsyms:
+ functions = optarg;
break;
default:
usage(argv);
diff --git a/trace-record.c b/trace-record.c
index 2611bfa..1cf13b6 100644
--- a/trace-record.c
+++ b/trace-record.c
@@ -1809,6 +1809,8 @@ static void record_all_events(void)
listed_events = list;
}
+#define OPT_date 255
+
void trace_record (int argc, char **argv)
{
const char *plugin = NULL;
@@ -1862,7 +1864,7 @@ void trace_record (int argc, char **argv)
for (;;) {
int option_index = 0;
static struct option long_options[] = {
- {"date", no_argument, NULL, 0},
+ {"date", no_argument, NULL, OPT_date},
{"help", no_argument, NULL, '?'},
{NULL, 0, NULL, 0}
};
@@ -2002,14 +2004,8 @@ void trace_record (int argc, char **argv)
case 'i':
ignore_event_not_found = 1;
break;
- case 0:
- switch (option_index) {
- case 0: /* date */
- date = 1;
- break;
- default:
- usage(argv);
- }
+ case OPT_date:
+ date = 1;
break;
default:
usage(argv);
diff --git a/trace-stack.c b/trace-stack.c
index 3d9f392..24ba194 100644
--- a/trace-stack.c
+++ b/trace-stack.c
@@ -153,6 +153,10 @@ static void read_trace(void)
fclose(fp);
}
+#define OPT_start 255
+#define OPT_stop 254
+#define OPT_reset 253
+
void trace_stack (int argc, char **argv)
{
enum stack_type trace_type = STACK_REPORT;
@@ -167,9 +171,9 @@ void trace_stack (int argc, char **argv)
for (;;) {
int option_index = 0;
static struct option long_options[] = {
- {"start", no_argument, NULL, 0},
- {"stop", no_argument, NULL, 0},
- {"reset", no_argument, NULL, 0},
+ {"start", no_argument, NULL, OPT_start},
+ {"stop", no_argument, NULL, OPT_stop},
+ {"reset", no_argument, NULL, OPT_reset},
{"help", no_argument, NULL, '?'},
{NULL, 0, NULL, 0}
};
@@ -183,20 +187,14 @@ void trace_stack (int argc, char **argv)
case 'h':
usage(argv);
break;
- case 0:
- switch(option_index) {
- case 0:
- trace_type = STACK_START;
- break;
- case 1:
- trace_type = STACK_STOP;
- break;
- case 2:
- trace_type = STACK_RESET;
- break;
- default:
- usage(argv);
- }
+ case OPT_start:
+ trace_type = STACK_START;
+ break;
+ case OPT_stop:
+ trace_type = STACK_STOP;
+ break;
+ case OPT_reset:
+ trace_type = STACK_RESET;
break;
default:
usage(argv);
--
1.7.4
--
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