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author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-10-01 15:20:58 -0300 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-10-02 18:36:30 -0300 |
commit | 69b6470e9ef3f6ea72b7e46e140d85970d8e1bc8 (patch) | |
tree | 906e8ca89e818cfdaf1194fedc01266c9cd08f3f /tools | |
parent | b070a547fda009bdb840b90aab7274be9e41de4d (diff) | |
download | lwn-69b6470e9ef3f6ea72b7e46e140d85970d8e1bc8.tar.gz lwn-69b6470e9ef3f6ea72b7e46e140d85970d8e1bc8.zip |
perf script: 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@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-eukt8bzp4t2n2z3s8ue5ofwb@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r-- | tools/perf/builtin-script.c | 90 |
1 files changed, 42 insertions, 48 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 1be843aa1546..fb9625083a2e 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -24,7 +24,6 @@ static u64 last_timestamp; static u64 nr_unordered; extern const struct option record_options[]; static bool no_callchain; -static bool show_full_info; static bool system_wide; static const char *cpu_list; static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); @@ -473,8 +472,6 @@ static int cleanup_scripting(void) return scripting_ops->stop_script(); } -static const char *input_name; - static int process_sample_event(struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, @@ -1156,20 +1153,40 @@ out: return n_args; } -static const char * const script_usage[] = { - "perf script [<options>]", - "perf script [<options>] record <script> [<record-options>] <command>", - "perf script [<options>] report <script> [script-args]", - "perf script [<options>] <script> [<record-options>] <command>", - "perf script [<options>] <top-script> [script-args]", - NULL -}; +static int have_cmd(int argc, const char **argv) +{ + char **__argv = malloc(sizeof(const char *) * argc); + + if (!__argv) { + pr_err("malloc failed\n"); + return -1; + } + + memcpy(__argv, argv, sizeof(const char *) * argc); + argc = parse_options(argc, (const char **)__argv, record_options, + NULL, PARSE_OPT_STOP_AT_NON_OPTION); + free(__argv); -static const struct option options[] = { + system_wide = (argc == 0); + + return 0; +} + +int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) +{ + bool show_full_info = false; + const char *input_name = NULL; + char *rec_script_path = NULL; + char *rep_script_path = NULL; + struct perf_session *session; + char *script_path = NULL; + const char **__argv; + int i, j, err; + const struct option options[] = { OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"), OPT_INCR('v', "verbose", &verbose, - "be more verbose (show symbol address, etc)"), + "be more verbose (show symbol address, etc)"), OPT_BOOLEAN('L', "Latency", &latency_format, "show latency attributes (irqs/preemption disabled, etc)"), OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", @@ -1179,8 +1196,7 @@ static const struct option options[] = { parse_scriptname), OPT_STRING('g', "gen-script", &generate_script_lang, "lang", "generate perf-script.xx script in specified language"), - OPT_STRING('i', "input", &input_name, "file", - "input file name"), + OPT_STRING('i', "input", &input_name, "file", "input file name"), OPT_BOOLEAN('d', "debug-mode", &debug_mode, "do various checks like samples ordering and lost events"), OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, @@ -1195,10 +1211,9 @@ static const struct option options[] = { "comma separated output fields prepend with 'type:'. " "Valid types: hw,sw,trace,raw. " "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," - "addr,symoff", - parse_output_fields), + "addr,symoff", parse_output_fields), OPT_BOOLEAN('a', "all-cpus", &system_wide, - "system-wide collection from all CPUs"), + "system-wide collection from all CPUs"), OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", "only consider these symbols"), OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), @@ -1208,37 +1223,16 @@ static const struct option options[] = { "display extended information from perf.data file"), OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, "Show the path of [kernel.kallsyms]"), - OPT_END() -}; - -static int have_cmd(int argc, const char **argv) -{ - char **__argv = malloc(sizeof(const char *) * argc); - - if (!__argv) { - pr_err("malloc failed\n"); - return -1; - } - - memcpy(__argv, argv, sizeof(const char *) * argc); - argc = parse_options(argc, (const char **)__argv, record_options, - NULL, PARSE_OPT_STOP_AT_NON_OPTION); - free(__argv); - - system_wide = (argc == 0); - - return 0; -} - -int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) -{ - char *rec_script_path = NULL; - char *rep_script_path = NULL; - struct perf_session *session; - char *script_path = NULL; - const char **__argv; - int i, j, err; + }; + const char * const script_usage[] = { + "perf script [<options>]", + "perf script [<options>] record <script> [<record-options>] <command>", + "perf script [<options>] report <script> [script-args]", + "perf script [<options>] <script> [<record-options>] <command>", + "perf script [<options>] <top-script> [script-args]", + NULL + }; setup_scripting(); |