diff options
Diffstat (limited to 'tools/perf/builtin-report.c')
| -rw-r--r-- | tools/perf/builtin-report.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index c0cebd53ecf9..0c32767b1c56 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -84,6 +84,7 @@ struct report { bool header_only; bool nonany_branch_mode; bool group_set; + bool stitch_lbr; int max_stack; struct perf_read_values show_threads_values; struct annotation_options annotation_opts; @@ -267,6 +268,9 @@ static int process_sample_event(struct perf_tool *tool, return -1; } + if (rep->stitch_lbr) + al.thread->lbr_stitch_enable = true; + if (symbol_conf.hide_unresolved && al.sym == NULL) goto out_put; @@ -408,6 +412,12 @@ static int report__setup_sample_type(struct report *rep) callchain_param.record_mode = CALLCHAIN_FP; } + if (rep->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { + ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" + "Please apply --call-graph lbr when recording.\n"); + rep->stitch_lbr = false; + } + /* ??? handle more cases than just ANY? */ if (!(perf_evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) @@ -1258,6 +1268,8 @@ int cmd_report(int argc, const char **argv) "Show full source file name path for source lines"), OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph, "Show callgraph from reference event"), + OPT_BOOLEAN(0, "stitch-lbr", &report.stitch_lbr, + "Enable LBR callgraph stitching approach"), OPT_INTEGER(0, "socket-filter", &report.socket_filter, "only show processor socket that match with this filter"), OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace, |