[sysprof] libsysprof-capture: increase rate of buffer read

[Christian Hergert <chergert src gnome org>]

commit c0697c91cc4aaef70a28c5625f5c0e82ff06e0ae
Author: Christian Hergert <chergert redhat com>
Date:   Sat Feb 15 21:53:34 2020 -0700

    libsysprof-capture: increase rate of buffer read
    
    This ideally should be dynamic in the future to copy out data at a rate
    that keeps us around 33% usage rate so that we can still burst if we need
    to but keep things empty enough to not loose data.

 src/libsysprof-capture/mapped-ring-buffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/libsysprof-capture/mapped-ring-buffer.c b/src/libsysprof-capture/mapped-ring-buffer.c
index ce12209..0fc0d3d 100644
--- a/src/libsysprof-capture/mapped-ring-buffer.c
+++ b/src/libsysprof-capture/mapped-ring-buffer.c
@@ -575,7 +575,7 @@ mapped_ring_source_prepare (GSource *source,
   if (g_atomic_int_get (&header->head) != g_atomic_int_get (&header->tail))
     return TRUE;
 
-  *timeout_ = 1000 / 20; /* 20x a second */
+  *timeout_ = 5;
 
   return FALSE;
 }