diff -ruN gnome-system-monitor-2.27.4.orig/src/load-graph.cpp gnome-system-monitor-2.27.4/src/load-graph.cpp

--- gnome-system-monitor-2.27.4.orig/src/load-graph.cpp	2009-08-27 23:28:31.980127645 +0100

+++ gnome-system-monitor-2.27.4/src/load-graph.cpp	2009-08-27 23:33:31.644987867 +0100

@@ -421,7 +421,7 @@

 	  // where factor10 is integer and x < 10

 	  // so we new_max has only 1 significant digit

-	  unsigned factor10 = std::pow(10.0, std::floor(std::log10(coef10)));

+          unsigned factor10 = std::pow(10.0, std::floor(std::log10((double)coef10)));

 	  coef10 = std::ceil(coef10 / double(factor10)) * factor10;

 	  // then make coef10 divisible by num_bars

@@ -430,11 +430,11 @@

 	  g_assert(coef10 % g->num_bars() == 0);

 	  new_max = coef10 * (1UL << (base10 * 10));

-	  procman_debug("bak %u new_max %u pow2 %u coef10 %u", bak_max, new_max, pow2, coef10);

+	  //procman_debug("bak %u new_max %u pow2 %u coef10 %u", bak_max, new_max, pow2, coef10);

 	}

 	if (bak_max > new_max) {

-	  procman_debug("overflow detected: bak=%u new=%u", bak_max, new_max);

+	  //procman_debug("overflow detected: bak=%u new=%u", bak_max, new_max);

 	  new_max = bak_max;

 	}

@@ -470,6 +470,24 @@

 	GTimeVal time;

 	unsigned din, dout;

+        /* we have to optimize the performance of libgtop, because in some low

+           level machine, to update the information will occupy too much cpu.

+ 

+           Here I would like to make a little update:

+             set netlist.flags=1

+           so as to let glibtop_get_netlist() only return the ones whose first

+           character of name is the same withthe first one in their module,

+           glibtop_get_netload() just try to find these devices, for example,

+           bge0 and bge...

+ 

+           We do the check in glibtop_get_netlist(), I think this will

+           accelerate the transaction lots. Also this will not affect the

+           existing codes, because when nobody set glibtop_netlist.flags,

+          glibtop_get_netlist() will return all devices with class "net".

+        */

+ 

+        netlist.flags = 1;

+

 	ifnames = glibtop_get_netlist(&netlist);

 	for (i = 0; i < netlist.number; ++i)