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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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7
tools/perf/util/probe-event.c
View file

@ -78,6 +78,7 @@ static struct map *kmaps[MAP__NR_TYPES];
/* Initialize symbol maps and path of vmlinux */
static int init_vmlinux(void)
{
struct dso *kernel;
int ret;
symbol_conf.sort_by_name = true;
@ -91,8 +92,12 @@ static int init_vmlinux(void)
goto out;
}
kernel = dso__new_kernel(symbol_conf.vmlinux_name);
if (kernel == NULL)
die("Failed to create kernel dso.");
map_groups__init(&kmap_groups);
ret = map_groups__create_kernel_maps(&kmap_groups, kmaps);
ret = __map_groups__create_kernel_maps(&kmap_groups, kmaps, kernel);
if (ret < 0)
pr_debug("Failed to create kernel maps.\n");