perf symbols: Move idle syms check from top to generic function

Allows list of idle symbols to be leveraged by other commands, such as
the upcoming timehist command.

Signed-off-by: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1384806771-2945-3-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 2 insertions, 23 deletions

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 531522d3d97b..03d37a76c612 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -634,26 +634,9 @@ repeat:
         return NULL;
 }
 
-/* Tag samples to be skipped. */
-static const char *skip_symbols[] = {
-        "intel_idle",
-        "default_idle",
-        "native_safe_halt",
-        "cpu_idle",
-        "enter_idle",
-        "exit_idle",
-        "mwait_idle",
-        "mwait_idle_with_hints",
-        "poll_idle",
-        "ppc64_runlatch_off",
-        "pseries_dedicated_idle_sleep",
-        NULL
-};
-
 static int symbol_filter(struct map *map __maybe_unused, struct symbol *sym)
 {
         const char *name = sym->name;
-        int i;
 
         /*
          * ppc64 uses function descriptors and appends a '.' to the
@@ -671,12 +654,8 @@ static int symbol_filter(struct map *map __maybe_unused, struct symbol *sym)
             strstr(name, "_text_end"))
                 return 1;
 
-        for (i = 0; skip_symbols[i]; i++) {
-                if (!strcmp(skip_symbols[i], name)) {
-                        sym->ignore = true;
-                        break;
-                }
-        }
+        if (symbol__is_idle(sym))
+                sym->ignore = true;
 
         return 0;
 }