perf annotate: Group options in a struct

Paving the way to remove these globals when we change the perf_event_ops
to receive as a first parameter a pointer to a perf_event_ops that will
then provide access to perf_annotate via container_of.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xduzibqrdg3h5cttmk6p5wwc@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 8b9091bce98da5b3755ec7ddf18c93c45692016b..4f0c3d98352d9496a55ca386898c158aa08bdd92 100644 (file)
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -30,18 +30,17 @@
 
 #include <linux/bitmap.h>
 
-static char            const *input_name = "perf.data";
-
-static bool            force, use_tui, use_stdio;
-
-static bool            full_paths;
-
-static bool            print_line;
-
-static const char *sym_hist_filter;
-
-static const char      *cpu_list;
-static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
+static struct perf_annotate {
+       char const *input_name;
+       bool       force, use_tui, use_stdio;
+       bool       full_paths;
+       bool       print_line;
+       const char *sym_hist_filter;
+       const char *cpu_list;
+       DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
+} annotate = {
+       .input_name = "perf.data",
+}, *ann = &annotate;
 
 static int perf_evsel__add_sample(struct perf_evsel *evsel,
                                  struct perf_sample *sample,
@@ -50,8 +49,9 @@ static int perf_evsel__add_sample(struct perf_evsel *evsel,
        struct hist_entry *he;
        int ret;
 
-       if (sym_hist_filter != NULL &&
-           (al->sym == NULL || strcmp(sym_hist_filter, al->sym->name) != 0)) {
+       if (ann->sym_hist_filter != NULL &&
+           (al->sym == NULL ||
+            strcmp(ann->sym_hist_filter, al->sym->name) != 0)) {
                /* We're only interested in a symbol named sym_hist_filter */
                if (al->sym != NULL) {
                        rb_erase(&al->sym->rb_node,
@@ -93,7 +93,7 @@ static int process_sample_event(union perf_event *event,
                return -1;
        }
 
-       if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
+       if (ann->cpu_list && !test_bit(sample->cpu, ann->cpu_bitmap))
                return 0;
 
        if (!al.filtered && perf_evsel__add_sample(evsel, sample, &al)) {
@@ -108,7 +108,7 @@ static int process_sample_event(union perf_event *event,
 static int hist_entry__tty_annotate(struct hist_entry *he, int evidx)
 {
        return symbol__tty_annotate(he->ms.sym, he->ms.map, evidx,
-                                   print_line, full_paths, 0, 0);
+                                   ann->print_line, ann->full_paths, 0, 0);
 }
 
 static void hists__find_annotations(struct hists *self, int evidx)
@@ -178,12 +178,14 @@ static int __cmd_annotate(void)
        struct perf_evsel *pos;
        u64 total_nr_samples;
 
-       session = perf_session__new(input_name, O_RDONLY, force, false, &event_ops);
+       session = perf_session__new(ann->input_name, O_RDONLY,
+                                   ann->force, false, &event_ops);
        if (session == NULL)
                return -ENOMEM;
 
-       if (cpu_list) {
-               ret = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
+       if (ann->cpu_list) {
+               ret = perf_session__cpu_bitmap(session, ann->cpu_list,
+                                              ann->cpu_bitmap);
                if (ret)
                        goto out_delete;
        }
@@ -217,7 +219,7 @@ static int __cmd_annotate(void)
        }
 
        if (total_nr_samples == 0) {
-               ui__warning("The %s file has no samples!\n", input_name);
+               ui__warning("The %s file has no samples!\n", ann->input_name);
                goto out_delete;
        }
 out_delete:
@@ -242,28 +244,28 @@ static const char * const annotate_usage[] = {
 };
 
 static const struct option options[] = {
-       OPT_STRING('i', "input", &input_name, "file",
+       OPT_STRING('i', "input", &annotate.input_name, "file",
                    "input file name"),
        OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
                   "only consider symbols in these dsos"),
-       OPT_STRING('s', "symbol", &sym_hist_filter, "symbol",
+       OPT_STRING('s', "symbol", &annotate.sym_hist_filter, "symbol",
                    "symbol to annotate"),
-       OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
+       OPT_BOOLEAN('f', "force", &annotate.force, "don't complain, do it"),
        OPT_INCR('v', "verbose", &verbose,
                    "be more verbose (show symbol address, etc)"),
        OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
                    "dump raw trace in ASCII"),
-       OPT_BOOLEAN(0, "tui", &use_tui, "Use the TUI interface"),
-       OPT_BOOLEAN(0, "stdio", &use_stdio, "Use the stdio interface"),
+       OPT_BOOLEAN(0, "tui", &annotate.use_tui, "Use the TUI interface"),
+       OPT_BOOLEAN(0, "stdio", &annotate.use_stdio, "Use the stdio interface"),
        OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
                   "file", "vmlinux pathname"),
        OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
                    "load module symbols - WARNING: use only with -k and LIVE kernel"),
-       OPT_BOOLEAN('l', "print-line", &print_line,
+       OPT_BOOLEAN('l', "print-line", &annotate.print_line,
                    "print matching source lines (may be slow)"),
-       OPT_BOOLEAN('P', "full-paths", &full_paths,
+       OPT_BOOLEAN('P', "full-paths", &annotate.full_paths,
                    "Don't shorten the displayed pathnames"),
-       OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
+       OPT_STRING('c', "cpu", &annotate.cpu_list, "cpu", "list of cpus to profile"),
        OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
                   "Look for files with symbols relative to this directory"),
        OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
@@ -279,9 +281,9 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __used)
 {
        argc = parse_options(argc, argv, options, annotate_usage, 0);
 
-       if (use_stdio)
+       if (annotate.use_stdio)
                use_browser = 0;
-       else if (use_tui)
+       else if (annotate.use_tui)
                use_browser = 1;
 
        setup_browser(true);
@@ -302,7 +304,7 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __used)
                if (argc > 1)
                        usage_with_options(annotate_usage, options);
 
-               sym_hist_filter = argv[0];
+               annotate.sym_hist_filter = argv[0];
        }
 
        if (field_sep && *field_sep == '.') {