perf tools: Ditch record_opts.callgraph_set

We have callchain_param.enabled for that.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-silwqjc2t25ls42dsvg28pp5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-record.c

@@ -946,7 +946,6 @@ int record_opts__parse_callchain(struct record_opts *record,
 				 const char *arg, bool unset)
 {
 	int ret;
-	record->callgraph_set = true;
 	callchain->enabled = !unset;
 
 	/* --no-call-graph */
@@ -978,15 +977,14 @@ int record_callchain_opt(const struct option *opt,
 			 const char *arg __maybe_unused,
 			 int unset __maybe_unused)
 {
-	struct record_opts *record = (struct record_opts *)opt->value;
+	struct callchain_param *callchain = opt->value;
 
-	record->callgraph_set = true;
-	callchain_param.enabled = true;
+	callchain->enabled = true;
 
-	if (callchain_param.record_mode == CALLCHAIN_NONE)
-		callchain_param.record_mode = CALLCHAIN_FP;
+	if (callchain->record_mode == CALLCHAIN_NONE)
+		callchain->record_mode = CALLCHAIN_FP;
 
-	callchain_debug(&callchain_param);
+	callchain_debug(callchain);
 	return 0;
 }
 
@@ -1224,7 +1222,7 @@ struct option __record_options[] = {
 		     record__parse_mmap_pages),
 	OPT_BOOLEAN(0, "group", &record.opts.group,
 		    "put the counters into a counter group"),
-	OPT_CALLBACK_NOOPT('g', NULL, &record.opts,
+	OPT_CALLBACK_NOOPT('g', NULL, &callchain_param,
 			   NULL, "enables call-graph recording" ,
 			   &record_callchain_opt),
 	OPT_CALLBACK(0, "call-graph", &record.opts,

tools/perf/builtin-top.c

@@ -1045,18 +1045,17 @@ callchain_opt(const struct option *opt, const char *arg, int unset)
 static int
 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
 {
-	struct record_opts *record = (struct record_opts *)opt->value;
+	struct callchain_param *callchain = opt->value;
 
-	record->callgraph_set = true;
-	callchain_param.enabled = !unset;
-	callchain_param.record_mode = CALLCHAIN_FP;
+	callchain->enabled = !unset;
+	callchain->record_mode = CALLCHAIN_FP;
 
 	/*
 	 * --no-call-graph
 	 */
 	if (unset) {
 		symbol_conf.use_callchain = false;
-		callchain_param.record_mode = CALLCHAIN_NONE;
+		callchain->record_mode = CALLCHAIN_NONE;
 		return 0;
 	}
 
@@ -1162,10 +1161,10 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused)
 		   "output field(s): overhead, period, sample plus all of sort keys"),
 	OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
 		    "Show a column with the number of samples"),
-	OPT_CALLBACK_NOOPT('g', NULL, &top.record_opts,
+	OPT_CALLBACK_NOOPT('g', NULL, &callchain_param,
 			   NULL, "enables call-graph recording and display",
 			   &callchain_opt),
-	OPT_CALLBACK(0, "call-graph", &top.record_opts,
+	OPT_CALLBACK(0, "call-graph", &callchain_param,
 		     "record_mode[,record_size],print_type,threshold[,print_limit],order,sort_key[,branch]",
 		     top_callchain_help, &parse_callchain_opt),
 	OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,

tools/perf/builtin-trace.c

@@ -2457,7 +2457,7 @@ static int trace__add_syscall_newtp(struct trace *trace)
 	perf_evlist__add(evlist, sys_enter);
 	perf_evlist__add(evlist, sys_exit);
 
-	if (trace->opts.callgraph_set && !trace->kernel_syscallchains) {
+	if (callchain_param.enabled && !trace->kernel_syscallchains) {
 		/*
 		 * We're interested only in the user space callchain
 		 * leading to the syscall, allow overriding that for
@@ -2546,7 +2546,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
 
 	perf_evlist__config(evlist, &trace->opts, NULL);
 
-	if (trace->opts.callgraph_set && trace->syscalls.events.sys_exit) {
+	if (callchain_param.enabled && trace->syscalls.events.sys_exit) {
 		perf_evsel__config_callchain(trace->syscalls.events.sys_exit,
 					     &trace->opts, &callchain_param);
                /*
@@ -3153,11 +3153,11 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused)
 	}
 
 #ifdef HAVE_DWARF_UNWIND_SUPPORT
-	if ((trace.min_stack || max_stack_user_set) && !trace.opts.callgraph_set)
+	if ((trace.min_stack || max_stack_user_set) && !callchain_param.enabled)
 		record_opts__parse_callchain(&trace.opts, &callchain_param, "dwarf", false);
 #endif
 
-	if (trace.opts.callgraph_set) {
+	if (callchain_param.enabled) {
 		if (!mmap_pages_user_set && geteuid() == 0)
 			trace.opts.mmap_pages = perf_event_mlock_kb_in_pages() * 4;
 

tools/perf/perf.h

@@ -52,7 +52,6 @@ struct record_opts {
 	bool	     sample_weight;
 	bool	     sample_time;
 	bool	     sample_time_set;
-	bool	     callgraph_set;
 	bool	     period;
 	bool	     running_time;
 	bool	     full_auxtrace;