Add a dso for hypervisor samples. We don't get any symbol information on
the ppc64 hypervisor but this at least gives us a high level summary of the
time spent in there.

Signed-off-by: Anton Blanchard <anton@samba.org>
---

Index: linux-2.6-tip/tools/perf/builtin-report.c
===================================================================
--- linux-2.6-tip.orig/tools/perf/builtin-report.c	2009-07-01 08:21:39.000000000 +1000
+++ linux-2.6-tip/tools/perf/builtin-report.c	2009-07-01 08:21:43.000000000 +1000
@@ -118,6 +118,7 @@
 static LIST_HEAD(dsos);
 static struct dso *kernel_dso;
 static struct dso *vdso;
+static struct dso *hypervisor_dso;
 
 static void dsos__add(struct dso *dso)
 {
@@ -199,6 +200,11 @@
 
 	dsos__add(vdso);
 
+	hypervisor_dso = dso__new("[hypervisor]", 0);
+	if (!hypervisor_dso)
+		return -1;
+	dsos__add(hypervisor_dso);
+
 	return err;
 }
 
@@ -637,7 +643,8 @@
 
 	if (self->sym) {
 		ret += fprintf(fp, "[%c] %s",
-			self->dso == kernel_dso ? 'k' : '.', self->sym->name);
+			self->dso == kernel_dso ? 'k' :
+			self->dso == hypervisor_dso ? 'h' : '.', self->sym->name);
 	} else {
 		ret += fprintf(fp, "%#016llx", (u64)self->ip);
 	}
@@ -960,6 +967,9 @@
 			}
 
 			switch (context) {
+			case PERF_CONTEXT_HV:
+				dso = hypervisor_dso;
+				break;
 			case PERF_CONTEXT_KERNEL:
 				dso = kernel_dso;
 				break;
@@ -1269,6 +1279,9 @@
 	} else {
 		show = SHOW_HV;
 		level = 'H';
+
+		dso = hypervisor_dso;
+
 		dprintf(" ...... dso: [hypervisor]\n");
 	}
 

-- 

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