perf tools: Separate out GTK codes to libperf-gtk.so
Separate out GTK codes to a shared object called libperf-gtk.so. This
time only GTK codes are built with -fPIC and libperf remains as is. Now
run GTK hist and annotation browser using libdl.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1379053663-13706-1-git-send-email-namhyung@kernel.org
[ Fix it up wrt Ingo's tools/perf build speedups ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/ui/setup.c b/tools/perf/ui/setup.c
index 47d9a57..5df5140 100644
--- a/tools/perf/ui/setup.c
+++ b/tools/perf/ui/setup.c
@@ -1,10 +1,64 @@
#include <pthread.h>
+#include <dlfcn.h>
#include "../util/cache.h"
#include "../util/debug.h"
#include "../util/hist.h"
pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER;
+void *perf_gtk_handle;
+
+#ifdef HAVE_GTK2_SUPPORT
+static int setup_gtk_browser(void)
+{
+ int (*perf_ui_init)(void);
+
+ if (perf_gtk_handle)
+ return 0;
+
+ perf_gtk_handle = dlopen(PERF_GTK_DSO, RTLD_LAZY);
+ if (perf_gtk_handle == NULL) {
+ char buf[PATH_MAX];
+ scnprintf(buf, sizeof(buf), "%s/%s", LIBDIR, PERF_GTK_DSO);
+ perf_gtk_handle = dlopen(buf, RTLD_LAZY);
+ }
+ if (perf_gtk_handle == NULL)
+ return -1;
+
+ perf_ui_init = dlsym(perf_gtk_handle, "perf_gtk__init");
+ if (perf_ui_init == NULL)
+ goto out_close;
+
+ if (perf_ui_init() == 0)
+ return 0;
+
+out_close:
+ dlclose(perf_gtk_handle);
+ return -1;
+}
+
+static void exit_gtk_browser(bool wait_for_ok)
+{
+ void (*perf_ui_exit)(bool);
+
+ if (perf_gtk_handle == NULL)
+ return;
+
+ perf_ui_exit = dlsym(perf_gtk_handle, "perf_gtk__exit");
+ if (perf_ui_exit == NULL)
+ goto out_close;
+
+ perf_ui_exit(wait_for_ok);
+
+out_close:
+ dlclose(perf_gtk_handle);
+
+ perf_gtk_handle = NULL;
+}
+#else
+static inline int setup_gtk_browser(void) { return -1; }
+static inline void exit_gtk_browser(bool wait_for_ok __maybe_unused) {}
+#endif
void setup_browser(bool fallback_to_pager)
{
@@ -17,8 +71,11 @@
switch (use_browser) {
case 2:
- if (perf_gtk__init() == 0)
+ if (setup_gtk_browser() == 0)
break;
+ printf("GTK browser requested but could not find %s\n",
+ PERF_GTK_DSO);
+ sleep(1);
/* fall through */
case 1:
use_browser = 1;
@@ -39,7 +96,7 @@
{
switch (use_browser) {
case 2:
- perf_gtk__exit(wait_for_ok);
+ exit_gtk_browser(wait_for_ok);
break;
case 1: