return 0;
}
+const char report_callchain_help[] = "Display callchains using " CALLCHAIN_REPORT_HELP ". "
+ "Default: graph,0.5,caller";
+
int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
{
struct perf_session *session;
"regex filter to identify parent, see: '--sort parent'"),
OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
"Only display entries with parent-match"),
- OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order[,branch]",
- "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address), add branches. "
- "Default: graph,0.5,caller", &report_parse_callchain_opt, callchain_default_opt),
+ OPT_CALLBACK_DEFAULT('g', "call-graph", &report,
+ "output_type,min_percent[,print_limit],call_order[,branch]",
+ report_callchain_help, &report_parse_callchain_opt,
+ callchain_default_opt),
OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
"Accumulate callchains of children and show total overhead as well"),
OPT_INTEGER(0, "max-stack", &report.max_stack,
#include "event.h"
#include "symbol.h"
+#define CALLCHAIN_HELP "setup and enables call-graph (stack chain/backtrace) recording: "
+
+#ifdef HAVE_DWARF_UNWIND_SUPPORT
+#define CALLCHAIN_RECORD_HELP CALLCHAIN_HELP "fp dwarf lbr"
+#else
+#define CALLCHAIN_RECORD_HELP CALLCHAIN_HELP "fp lbr"
+#endif
+
+#define CALLCHAIN_REPORT_HELP "output_type (graph, flat, fractal, or none), " \
+ "min percent threshold, optional print limit, callchain order, " \
+ "key (function or address), add branches"
+
enum perf_call_graph_mode {
CALLCHAIN_NONE,
CALLCHAIN_FP,