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-rw-r--r--tools/perf/builtin-top.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 82c6c065830d..2c985cfea517 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1437,6 +1437,7 @@ int cmd_top(int argc, const char **argv)
.max_stack = sysctl__max_stack(),
.nr_threads_synthesize = UINT_MAX,
};
+ bool branch_call_mode = false;
struct record_opts *opts = &top.record_opts;
struct target *target = &opts->target;
const char *disassembler_style = NULL, *objdump_path = NULL, *addr2line_path = NULL;
@@ -1551,6 +1552,8 @@ int cmd_top(int argc, const char **argv)
OPT_CALLBACK('j', "branch-filter", &opts->branch_stack,
"branch filter mask", "branch stack filter modes",
parse_branch_stack),
+ OPT_BOOLEAN(0, "branch-history", &branch_call_mode,
+ "add last branch records to call history"),
OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace,
"Show raw trace event output (do not use print fmt or plugins)"),
OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy,
@@ -1677,6 +1680,20 @@ int cmd_top(int argc, const char **argv)
goto out_delete_evlist;
}
+ if (branch_call_mode) {
+ if (!opts->branch_stack)
+ opts->branch_stack = PERF_SAMPLE_BRANCH_ANY;
+ symbol_conf.use_callchain = true;
+ callchain_param.key = CCKEY_ADDRESS;
+ callchain_param.branch_callstack = true;
+ callchain_param.enabled = true;
+ if (callchain_param.record_mode == CALLCHAIN_NONE)
+ callchain_param.record_mode = CALLCHAIN_FP;
+ callchain_register_param(&callchain_param);
+ if (!sort_order)
+ sort_order = "srcline,symbol,dso";
+ }
+
if (opts->branch_stack && callchain_param.enabled)
symbol_conf.show_branchflag_count = true;