[sysprof] Disable use of hardware perf counters.

[Søren Sandmann Pedersen <ssp src gnome org>]

commit 08d4d26060d8e5d089b9c9733204a220233c75c8
Author: Søren Sandmann <sandmann daimi au dk>
Date:   Tue Mar 9 12:06:36 2010 -0500

    Disable use of hardware perf counters.
    
    They don't seem to actually work on a lot of hardware.

 collector.c   |    6 +++++-
 collector.h   |    3 ++-
 sysprof-cli.c |    5 ++---
 sysprof.c     |    2 +-
 4 files changed, 10 insertions(+), 6 deletions(-)
---
diff --git a/collector.c b/collector.c
index d034405..438b920 100644
--- a/collector.c
+++ b/collector.c
@@ -133,6 +133,8 @@ struct Collector
     int			n_samples;
 
     GList *		counters;
+
+    gboolean		use_hw_counters;
 };
 
 static int
@@ -531,7 +533,8 @@ collector_reset (Collector *collector)
 
 /* callback is called whenever a new sample arrives */
 Collector *
-collector_new (CollectorFunc callback,
+collector_new (gboolean	     use_hw_counters,
+	       CollectorFunc callback,
 	       gpointer      data)
 {
     Collector *collector = g_new0 (Collector, 1);
@@ -539,6 +542,7 @@ collector_new (CollectorFunc callback,
     collector->callback = callback;
     collector->data = data;
     collector->tracker = NULL;
+    collector->use_hw_counters = use_hw_counters;
     
     collector_reset (collector);
 
diff --git a/collector.h b/collector.h
index 2eb518c..3c0c118 100644
--- a/collector.h
+++ b/collector.h
@@ -34,7 +34,8 @@ typedef enum
 } CollectorError;
 
 /* callback is called whenever a new sample arrives */
-Collector *collector_new            (CollectorFunc   callback,
+Collector *collector_new            (gboolean        use_hw_counters,
+				     CollectorFunc   callback,
 				     gpointer        data);
 gboolean   collector_start          (Collector      *collector,
 				     GError        **err);
diff --git a/sysprof-cli.c b/sysprof-cli.c
index 7d0409c..2500dda 100644
--- a/sysprof-cli.c
+++ b/sysprof-cli.c
@@ -110,13 +110,12 @@ die (const char *err_msg)
 }
 
 int
-main (int argc,
-      char *argv[])
+main (int argc, char *argv[])
 {
     Application *app = g_new0 (Application, 1);
     GError *err;
     
-    app->collector = collector_new (NULL, NULL);
+    app->collector = collector_new (FALSE, NULL, NULL);
     app->outfile = g_strdup (argv[1]);
     app->main_loop = g_main_loop_new (NULL, 0);
     
diff --git a/sysprof.c b/sysprof.c
index 788cfd9..be87247 100644
--- a/sysprof.c
+++ b/sysprof.c
@@ -1587,7 +1587,7 @@ application_new (void)
 {
     Application *app = g_new0 (Application, 1);
 
-    app->collector = collector_new (on_new_sample, app);
+    app->collector = collector_new (FALSE, on_new_sample, app);
     app->state = INITIAL;
 
     return app;