perf kvm: Get rid of unused guest_kallsyms

guest_kallsyms is redundant here, remove it.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Yanmin Zhang <yanmin_zhang@linux.intel.com>
LKML-Reference: <4C241140.9090008@cn.fujitsu.com>
Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 86b1c3b6264e71790b4113a1a50a1654abcdbcfd..0df64088135fc47d580448ea199723f159a6db79 100644 (file)
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -445,8 +445,6 @@ static void atexit_header(void)
 static void event__synthesize_guest_os(struct machine *machine, void *data)
 {
        int err;
-       char *guest_kallsyms;
-       char path[PATH_MAX];
        struct perf_session *psession = data;
 
        if (machine__is_host(machine))
@@ -466,13 +464,6 @@ static void event__synthesize_guest_os(struct machine *machine, void *data)
                pr_err("Couldn't record guest kernel [%d]'s reference"
                       " relocation symbol.\n", machine->pid);
 
-       if (machine__is_default_guest(machine))
-               guest_kallsyms = (char *) symbol_conf.default_guest_kallsyms;
-       else {
-               sprintf(path, "%s/proc/kallsyms", machine->root_dir);
-               guest_kallsyms = path;
-       }
-
        /*
         * We use _stext for guest kernel because guest kernel's /proc/kallsyms
         * have no _text sometimes.