[Xfce4-commits] [apps/xfce4-taskmanager] 01/02: On OpenBSD, prefer the UVM way to the vmmeter one to get memory stats.

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Sat Nov 29 10:33:53 CET 2014


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landry pushed a commit to branch master
in repository apps/xfce4-taskmanager.

commit 9d85be60168df92b5738006c007a7d6386279d6c
Author: Martin Pieuchot <mpi at openbsd.org>
Date:   Sat Nov 29 10:33:10 2014 +0100

    On OpenBSD, prefer the UVM way to the vmmeter one to get memory stats.
---
 src/task-manager-bsd.c |   16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/task-manager-bsd.c b/src/task-manager-bsd.c
index c34e1ad..1a336dd 100644
--- a/src/task-manager-bsd.c
+++ b/src/task-manager-bsd.c
@@ -215,11 +215,26 @@ gboolean get_cpu_usage (gushort *cpu_count, gfloat *cpu_user, gfloat *cpu_system
 
 gboolean get_memory_usage (guint64 *memory_total, guint64 *memory_free, guint64 *memory_cache, guint64 *memory_buffers, guint64 *swap_total, guint64 *swap_free)
 {
+#ifdef __OpenBSD__
+	int mib[] = {CTL_VM, VM_UVMEXP};
+	struct uvmexp  uvmexp;
+#else
 	int mib[] = {CTL_VM, VM_METER};
 	struct vmtotal vmtotal;
+#endif
 	struct swapent *swdev;
 	int nswap, i;
 	size_t size;
+#ifdef __OpenBSD__
+	size = sizeof(uvmexp);
+	if (sysctl(mib, 2, &uvmexp, &size, NULL, 0) < 0)
+		errx(1,"failed to get vm.uvmexp");
+	/* cheat : rm = tot used, add free to get total */
+	*memory_total = pagetok(uvmexp.npages);
+	*memory_free = pagetok(uvmexp.free);
+	*memory_cache = 0;
+	*memory_buffers = pagetok(uvmexp.npages - uvmexp.free -uvmexp.active);
+#else
 	size = sizeof(vmtotal);
 	if (sysctl(mib, 2, &vmtotal, &size, NULL, 0) < 0)
 		errx(1,"failed to get vm.meter");
@@ -228,6 +243,7 @@ gboolean get_memory_usage (guint64 *memory_total, guint64 *memory_free, guint64
 	*memory_free = pagetok(vmtotal.t_free);
 	*memory_cache = 0;
 	*memory_buffers = pagetok(vmtotal.t_rm - vmtotal.t_arm);
+#endif
 
 	/* get swap stats */
 	if ((nswap = swapctl(SWAP_NSWAP, 0, 0)) == 0)

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