perf script: Add period data column
[sfrench/cifs-2.6.git] / tools / perf / builtin-script.c
index 02dce9295e2c7eec4dfd9bfcac1d33f37f6e0a60..0659dff4a21d58bc196bf0b5ef81d8f35df71bfa 100644 (file)
@@ -44,6 +44,7 @@ enum perf_output_field {
        PERF_OUTPUT_ADDR            = 1U << 10,
        PERF_OUTPUT_SYMOFFSET       = 1U << 11,
        PERF_OUTPUT_SRCLINE         = 1U << 12,
+       PERF_OUTPUT_PERIOD          = 1U << 13,
 };
 
 struct output_option {
@@ -63,6 +64,7 @@ struct output_option {
        {.str = "addr",  .field = PERF_OUTPUT_ADDR},
        {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
        {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
+       {.str = "period", .field = PERF_OUTPUT_PERIOD},
 };
 
 /* default set to maintain compatibility with current format */
@@ -229,6 +231,11 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel,
                                        PERF_OUTPUT_CPU))
                return -EINVAL;
 
+       if (PRINT_FIELD(PERIOD) &&
+               perf_evsel__check_stype(evsel, PERF_SAMPLE_PERIOD, "PERIOD",
+                                       PERF_OUTPUT_PERIOD))
+               return -EINVAL;
+
        return 0;
 }
 
@@ -448,6 +455,9 @@ static void process_event(union perf_event *event, struct perf_sample *sample,
 
        print_sample_start(sample, thread, evsel);
 
+       if (PRINT_FIELD(PERIOD))
+               printf("%10" PRIu64 " ", sample->period);
+
        if (PRINT_FIELD(EVNAME)) {
                const char *evname = perf_evsel__name(evsel);
                printf("%s: ", evname ? evname : "[unknown]");
@@ -572,7 +582,6 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
 
        scripting_ops->process_event(event, sample, evsel, thread, &al);
 
-       evsel->hists.stats.total_period += sample->period;
        return 0;
 }
 
@@ -1544,7 +1553,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
                     "comma separated output fields prepend with 'type:'. "
                     "Valid types: hw,sw,trace,raw. "
                     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
-                    "addr,symoff", parse_output_fields),
+                    "addr,symoff,period", parse_output_fields),
        OPT_BOOLEAN('a', "all-cpus", &system_wide,
                    "system-wide collection from all CPUs"),
        OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
@@ -1744,7 +1753,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
 
        session = perf_session__new(&file, false, &script.tool);
        if (session == NULL)
-               return -ENOMEM;
+               return -1;
 
        if (header || header_only) {
                perf_session__fprintf_info(session, stdout, show_full_info);