perf evswitch: Add the names of on/off events

So that we can have macros for the OPT_ entries and also for finding
those in an evlist, this way other tools will use this very easily.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: William Cohen <wcohen@redhat.com>
Link: https://lkml.kernel.org/n/tip-q0og1xoqqi0w38ve5u0a43k2@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index e7b950e..177e4e9 100644 (file)
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -3400,8 +3400,6 @@ int cmd_script(int argc, const char **argv)
        struct utsname uts;
        char *script_path = NULL;
        const char **__argv;
-       const char *event_switch_on  = NULL,
-                  *event_switch_off = NULL;
        int i, j, err = 0;
        struct perf_script script = {
                .tool = {
@@ -3545,9 +3543,9 @@ int cmd_script(int argc, const char **argv)
                   "file", "file saving guest os /proc/kallsyms"),
        OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
                   "file", "file saving guest os /proc/modules"),
-       OPT_STRING(0, "switch-on", &event_switch_on,
+       OPT_STRING(0, "switch-on", &script.evswitch.on_name,
                   "event", "Consider events after the ocurrence of this event"),
-       OPT_STRING(0, "switch-off", &event_switch_off,
+       OPT_STRING(0, "switch-off", &script.evswitch.off_name,
                   "event", "Stop considering events after the ocurrence of this event"),
        OPT_BOOLEAN(0, "show-on-off-events", &script.evswitch.show_on_off_events,
                    "Show the on/off switch events, used with --switch-on"),
@@ -3875,20 +3873,20 @@ int cmd_script(int argc, const char **argv)
                                                  script.range_num);
        }
 
-       if (event_switch_on) {
-               script.evswitch.on = perf_evlist__find_evsel_by_str(session->evlist, event_switch_on);
+       if (script.evswitch.on_name) {
+               script.evswitch.on = perf_evlist__find_evsel_by_str(session->evlist, script.evswitch.on_name);
                if (script.evswitch.on == NULL) {
-                       fprintf(stderr, "switch-on event not found (%s)\n", event_switch_on);
+                       fprintf(stderr, "switch-on event not found (%s)\n", script.evswitch.on_name);
                        err = -ENOENT;
                        goto out_delete;
                }
                script.evswitch.discarding = true;
        }
 
-       if (event_switch_off) {
-               script.evswitch.off = perf_evlist__find_evsel_by_str(session->evlist, event_switch_off);
+       if (script.evswitch.off_name) {
+               script.evswitch.off = perf_evlist__find_evsel_by_str(session->evlist, script.evswitch.off_name);
                if (script.evswitch.off == NULL) {
-                       fprintf(stderr, "switch-off event not found (%s)\n", event_switch_off);
+                       fprintf(stderr, "switch-off event not found (%s)\n", script.evswitch.off_name);
                        err = -ENOENT;
                        goto out_delete;
                }

diff --git a/tools/perf/util/evswitch.h b/tools/perf/util/evswitch.h
index bae3a22..8911645 100644 (file)
--- a/tools/perf/util/evswitch.h
+++ b/tools/perf/util/evswitch.h
@@ -9,6 +9,7 @@ struct evsel;
 
 struct evswitch {
        struct evsel *on, *off;
+       const char   *on_name, *off_name;
        bool         discarding;
        bool         show_on_off_events;
 };