diff options
Diffstat (limited to 'tools/lib/traceevent/plugins/plugin_function.c')
| -rw-r--r-- | tools/lib/traceevent/plugins/plugin_function.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/tools/lib/traceevent/plugins/plugin_function.c b/tools/lib/traceevent/plugins/plugin_function.c index 7770fcb78e0f..cafddd6be983 100644 --- a/tools/lib/traceevent/plugins/plugin_function.c +++ b/tools/lib/traceevent/plugins/plugin_function.c @@ -50,12 +50,20 @@ struct tep_plugin_option plugin_options[] = .set = 1, }, { + .name = "offset", + .plugin_alias = "ftrace", + .description = + "Show function names as well as their offsets", + .set = 0, + }, + { .name = NULL, } }; static struct tep_plugin_option *ftrace_parent = &plugin_options[0]; static struct tep_plugin_option *ftrace_indent = &plugin_options[1]; +static struct tep_plugin_option *ftrace_offset = &plugin_options[2]; static void add_child(struct func_stack *stack, const char *child, int pos) { @@ -123,6 +131,18 @@ static int add_and_get_index(const char *parent, const char *child, int cpu) return 0; } +static void show_function(struct trace_seq *s, struct tep_handle *tep, + const char *func, unsigned long long function) +{ + unsigned long long offset; + + trace_seq_printf(s, "%s", func); + if (ftrace_offset->set) { + offset = tep_find_function_address(tep, function); + trace_seq_printf(s, "+0x%x ", (int)(function - offset)); + } +} + static int function_handler(struct trace_seq *s, struct tep_record *record, struct tep_event *event, void *context) { @@ -149,14 +169,14 @@ static int function_handler(struct trace_seq *s, struct tep_record *record, trace_seq_printf(s, "%*s", index*3, ""); if (func) - trace_seq_printf(s, "%s", func); + show_function(s, tep, func, function); else trace_seq_printf(s, "0x%llx", function); if (ftrace_parent->set) { trace_seq_printf(s, " <-- "); if (parent) - trace_seq_printf(s, "%s", parent); + show_function(s, tep, parent, pfunction); else trace_seq_printf(s, "0x%llx", pfunction); } |