perf script: Add --[no-]-demangle/--[no-]-demangle-kernel

[firefly-linux-kernel-4.4.55.git] / tools / perf / builtin-script.c

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 24809787369f5a1303451de5264798d0e31792b6..4430340292c052c396083293b07ba836a0ab91b0 100644 (file)
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -623,6 +623,7 @@ struct perf_script {
        struct perf_session     *session;
        bool                    show_task_events;
        bool                    show_mmap_events;
+       bool                    show_switch_events;
 };
 
 static int process_attr(struct perf_tool *tool, union perf_event *event,
@@ -661,7 +662,7 @@ static int process_comm_event(struct perf_tool *tool,
        struct thread *thread;
        struct perf_script *script = container_of(tool, struct perf_script, tool);
        struct perf_session *session = script->session;
-       struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+       struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
        int ret = -1;
 
        thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
@@ -695,7 +696,7 @@ static int process_fork_event(struct perf_tool *tool,
        struct thread *thread;
        struct perf_script *script = container_of(tool, struct perf_script, tool);
        struct perf_session *session = script->session;
-       struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+       struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
 
        if (perf_event__process_fork(tool, event, sample, machine) < 0)
                return -1;
@@ -727,7 +728,7 @@ static int process_exit_event(struct perf_tool *tool,
        struct thread *thread;
        struct perf_script *script = container_of(tool, struct perf_script, tool);
        struct perf_session *session = script->session;
-       struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+       struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
 
        thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
        if (thread == NULL) {
@@ -759,7 +760,7 @@ static int process_mmap_event(struct perf_tool *tool,
        struct thread *thread;
        struct perf_script *script = container_of(tool, struct perf_script, tool);
        struct perf_session *session = script->session;
-       struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+       struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
 
        if (perf_event__process_mmap(tool, event, sample, machine) < 0)
                return -1;
@@ -790,7 +791,7 @@ static int process_mmap2_event(struct perf_tool *tool,
        struct thread *thread;
        struct perf_script *script = container_of(tool, struct perf_script, tool);
        struct perf_session *session = script->session;
-       struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+       struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
 
        if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
                return -1;
@@ -813,6 +814,32 @@ static int process_mmap2_event(struct perf_tool *tool,
        return 0;
 }
 
+static int process_switch_event(struct perf_tool *tool,
+                               union perf_event *event,
+                               struct perf_sample *sample,
+                               struct machine *machine)
+{
+       struct thread *thread;
+       struct perf_script *script = container_of(tool, struct perf_script, tool);
+       struct perf_session *session = script->session;
+       struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
+
+       if (perf_event__process_switch(tool, event, sample, machine) < 0)
+               return -1;
+
+       thread = machine__findnew_thread(machine, sample->pid,
+                                        sample->tid);
+       if (thread == NULL) {
+               pr_debug("problem processing SWITCH event, skipping it.\n");
+               return -1;
+       }
+
+       print_sample_start(sample, thread, evsel);
+       perf_event__fprintf(event, stdout);
+       thread__put(thread);
+       return 0;
+}
+
 static void sig_handler(int sig __maybe_unused)
 {
        session_done = 1;
@@ -834,6 +861,8 @@ static int __cmd_script(struct perf_script *script)
                script->tool.mmap = process_mmap_event;
                script->tool.mmap2 = process_mmap2_event;
        }
+       if (script->show_switch_events)
+               script->tool.context_switch = process_switch_event;
 
        ret = perf_session__process_events(script->session);
 
@@ -1532,6 +1561,22 @@ static int have_cmd(int argc, const char **argv)
        return 0;
 }
 
+static void script__setup_sample_type(struct perf_script *script)
+{
+       struct perf_session *session = script->session;
+       u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
+
+       if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
+               if ((sample_type & PERF_SAMPLE_REGS_USER) &&
+                   (sample_type & PERF_SAMPLE_STACK_USER))
+                       callchain_param.record_mode = CALLCHAIN_DWARF;
+               else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
+                       callchain_param.record_mode = CALLCHAIN_LBR;
+               else
+                       callchain_param.record_mode = CALLCHAIN_FP;
+       }
+}
+
 int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
 {
        bool show_full_info = false;
@@ -1618,10 +1663,19 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
                    "Show the fork/comm/exit events"),
        OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
                    "Show the mmap events"),
+       OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
+                   "Show context switch events (if recorded)"),
        OPT_BOOLEAN('f', "force", &file.force, "don't complain, do it"),
        OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
                            "Instruction Tracing options",
                            itrace_parse_synth_opts),
+       OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
+                       "Show full source file name path for source lines"),
+       OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
+                       "Enable symbol demangling"),
+       OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
+                       "Enable kernel symbol demangling"),
+
        OPT_END()
        };
        const char * const script_subcommands[] = { "record", "report", NULL };
@@ -1816,6 +1870,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
                goto out_delete;
 
        script.session = session;
+       script__setup_sample_type(&script);
 
        session->itrace_synth_opts = &itrace_synth_opts;
 
@@ -1830,6 +1885,14 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
        else
                symbol_conf.use_callchain = false;
 
+       if (session->tevent.pevent &&
+           pevent_set_function_resolver(session->tevent.pevent,
+                                        machine__resolve_kernel_addr,
+                                        &session->machines.host) < 0) {
+               pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
+               return -1;
+       }
+
        if (generate_script_lang) {
                struct stat perf_stat;
                int input;