perf stat: Move 'no_inherit' to 'struct perf_stat_config'

Move the static 'no_inherit' variable to 'struct perf_stat_config', so
it can be passed around and used outside the 'perf stat' command.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180830063252.23729-4-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 719abdd..84dbac5 100644 (file)
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -148,7 +148,6 @@ typedef int (*aggr_get_id_t)(struct cpu_map *m, int cpu);
 #define METRIC_ONLY_LEN 20
 
 static int                     run_count                       =  1;
-static bool                    no_inherit                      = false;
 static volatile pid_t          child_pid                       = -1;
 static bool                    null_run                        =  false;
 static int                     detailed_run                    =  0;
@@ -254,7 +253,7 @@ static int create_perf_stat_counter(struct perf_evsel *evsel,
        if (leader->nr_members > 1)
                attr->read_format |= PERF_FORMAT_ID|PERF_FORMAT_GROUP;
 
-       attr->inherit = !no_inherit;
+       attr->inherit = !config->no_inherit;
 
        /*
         * Some events get initialized with sample_(period/type) set,
@@ -1969,7 +1968,7 @@ static const struct option stat_options[] = {
                     parse_events_option),
        OPT_CALLBACK(0, "filter", &evsel_list, "filter",
                     "event filter", parse_filter),
-       OPT_BOOLEAN('i', "no-inherit", &no_inherit,
+       OPT_BOOLEAN('i', "no-inherit", &stat_config.no_inherit,
                    "child tasks do not inherit counters"),
        OPT_STRING('p', "pid", &target.pid, "pid",
                   "stat events on existing process id"),

diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 91e6609..53b2415 100644 (file)
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -88,6 +88,7 @@ struct runtime_stat {
 struct perf_stat_config {
        enum aggr_mode           aggr_mode;
        bool                     scale;
+       bool                     no_inherit;
        FILE                    *output;
        unsigned int             interval;
        unsigned int             timeout;