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-rw-r--r--tools/perf/builtin-record.c8
-rw-r--r--tools/perf/builtin-report.c10
-rw-r--r--tools/perf/util/callchain.h12
3 files changed, 20 insertions, 10 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 24ace2f318c1..1a117623d396 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1010,13 +1010,7 @@ static struct record record = {
},
};
-#define CALLCHAIN_HELP "setup and enables call-graph (stack chain/backtrace) recording: "
-
-#ifdef HAVE_DWARF_UNWIND_SUPPORT
-const char record_callchain_help[] = CALLCHAIN_HELP "fp dwarf lbr";
-#else
-const char record_callchain_help[] = CALLCHAIN_HELP "fp lbr";
-#endif
+const char record_callchain_help[] = CALLCHAIN_RECORD_HELP;
/*
* XXX Will stay a global variable till we fix builtin-script.c to stop messing
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 3b23b25d1589..18a8c52d921e 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -625,6 +625,9 @@ parse_percent_limit(const struct option *opt, const char *str,
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;
@@ -699,9 +702,10 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
"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,
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index acee2b3cd801..c9e3a2e85a72 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -7,6 +7,18 @@
#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,