perf report: Document '--call-graph' better for usage

[safe/jmp/linux-2.6] / tools / perf / builtin-report.c

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 0152b54..196473b 100644 (file)
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -457,7 +457,7 @@ static const struct option options[] = {
        OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
                    "Only display entries with parent-match"),
        OPT_CALLBACK_DEFAULT('g', "call-graph", NULL, "output_type,min_percent",
-                    "Display callchains using output_type and min percent threshold. "
+                    "Display callchains using output_type (graph, flat, fractal, or none) and min percent threshold. "
                     "Default: fractal,0.5", &parse_callchain_opt, callchain_default_opt),
        OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
                   "only consider symbols in these dsos"),