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perf: 'perf kvm' tool for monitoring guest performance from host

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Here is the patch of userspace perf tool.

Signed-off-by: Zhang Yanmin <yanmin_zhang@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Zhang, Yanmin
2010-04-19 13:32:50 +08:00
committed by Avi Kivity
parent ff9d07a0e7
commit a1645ce12a
30 changed files with 1407 additions and 316 deletions
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11
tools/perf/builtin-kmem.c
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@@ -351,6 +351,7 @@ static void __print_result(struct rb_root *root, struct perf_session *session,
int n_lines, int is_caller)
{
struct rb_node *next;
struct kernel_info *kerninfo;
printf("%.102s\n", graph_dotted_line);
printf(" %-34s |", is_caller ? "Callsite": "Alloc Ptr");
@@ -359,10 +360,16 @@ static void __print_result(struct rb_root *root, struct perf_session *session,
next = rb_first(root);
kerninfo = kerninfo__findhost(&session->kerninfo_root);
if (!kerninfo) {
pr_err("__print_result: couldn't find kernel information\n");
return;
}
while (next && n_lines--) {
struct alloc_stat *data = rb_entry(next, struct alloc_stat,
node);
struct symbol *sym = NULL;
struct map_groups *kmaps = &kerninfo->kmaps;
struct map *map;
char buf[BUFSIZ];
u64 addr;
@@ -370,8 +377,8 @@ static void __print_result(struct rb_root *root, struct perf_session *session,
if (is_caller) {
addr = data->call_site;
if (!raw_ip)
sym = map_groups__find_function(&session->kmaps,
addr, &map, NULL);
sym = map_groups__find_function(kmaps, addr,
&map, NULL);
} else
addr = data->ptr;