diff options
| -rw-r--r-- | tools/perf/Documentation/perf-top.txt | 3 | ||||
| -rw-r--r-- | tools/perf/builtin-top.c | 15 |
2 files changed, 18 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt index b0e60e17db38..19f046f027cd 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -233,6 +233,9 @@ Default is to monitor all CPUS. --raw-trace:: When displaying traceevent output, do not use print fmt or plugins. +--hierarchy:: + Enable hierarchy output. + INTERACTIVE PROMPTING KEYS -------------------------- diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index a75de3940b97..b86b623e8799 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1214,6 +1214,8 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) parse_branch_stack), 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, + "Show entries in a hierarchy"), OPT_END() }; const char * const top_usage[] = { @@ -1241,6 +1243,19 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) goto out_delete_evlist; } + if (symbol_conf.report_hierarchy) { + /* disable incompatible options */ + symbol_conf.event_group = false; + symbol_conf.cumulate_callchain = false; + + if (field_order) { + pr_err("Error: --hierarchy and --fields options cannot be used together\n"); + parse_options_usage(top_usage, options, "fields", 0); + parse_options_usage(NULL, options, "hierarchy", 0); + goto out_delete_evlist; + } + } + sort__mode = SORT_MODE__TOP; /* display thread wants entries to be collapsed in a different tree */ sort__need_collapse = 1; |