add vdso to the pprof blocklist (#12201) (#12213)

close #9765, ref #12201

Signed-off-by: ti-srebot <ti-srebot@pingcap.com>

Co-authored-by: YangKeao <yangkeao@chunibyo.icu>
Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>

src/server/status_server/profile.rs

@@ -176,7 +176,7 @@ where
     let on_start = || {
         let guard = pprof::ProfilerGuardBuilder::default()
             .frequency(frequency)
-            .blocklist(&["libc", "libgcc", "pthread"])
+            .blocklist(&["libc", "libgcc", "pthread", "vdso"])
             .build()
             .map_err(|e| format!("pprof::ProfilerGuardBuilder::build fail: {}", e))?;
         Ok(guard)