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Posted to commits@teaclave.apache.org by di...@apache.org on 2020/08/24 03:01:21 UTC
[incubator-teaclave-sgx-sdk] branch mem_footprint created (now
ca3d05e)
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dingyu pushed a change to branch mem_footprint
in repository https://gitbox.apache.org/repos/asf/incubator-teaclave-sgx-sdk.git.
at ca3d05e Statis of memory footprint
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[incubator-teaclave-sgx-sdk] 01/01: Statis of memory footprint
Posted by di...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
dingyu pushed a commit to branch mem_footprint
in repository https://gitbox.apache.org/repos/asf/incubator-teaclave-sgx-sdk.git
commit ca3d05e085ebc558310530ae6d5b36d0194d764c
Author: Yu Ding <di...@gmail.com>
AuthorDate: Sun Aug 23 20:01:03 2020 -0700
Statis of memory footprint
---
samplecode/hello-rust/Readme.md | 3 ++
samplecode/hello-rust/enclave/src/lib.rs | 71 ++++++++++++++++++++++++++++++--
2 files changed, 71 insertions(+), 3 deletions(-)
diff --git a/samplecode/hello-rust/Readme.md b/samplecode/hello-rust/Readme.md
new file mode 100644
index 0000000..da1d1f0
--- /dev/null
+++ b/samplecode/hello-rust/Readme.md
@@ -0,0 +1,3 @@
+```
+sudo objcopy --globalize-symbol=_gm_ ./libsgx_tstdc.a
+```
diff --git a/samplecode/hello-rust/enclave/src/lib.rs b/samplecode/hello-rust/enclave/src/lib.rs
index f661955..12bbff7 100644
--- a/samplecode/hello-rust/enclave/src/lib.rs
+++ b/samplecode/hello-rust/enclave/src/lib.rs
@@ -37,8 +37,75 @@ use std::io::{self, Write};
use std::slice;
use std::backtrace::{self, PrintFormat};
+type binmap_t = u32;
+//type size_t = u64;
+type flag_t = u32;
+
+#[repr(C)]
+struct malloc_chunk {
+ prev_foot: size_t,
+ head: size_t,
+ fd: * mut malloc_chunk,
+ bk: * mut malloc_chunk,
+}
+
+const NSMALLBINS: size_t = 32;
+const NTREEBINS: size_t = 32;
+
+#[repr(C)]
+struct malloc_segment {
+ base: * mut i8,
+ size: * mut size_t,
+ next: * mut malloc_segment,
+ fsflags: flag_t,
+}
+
+#[repr(C)]
+struct malloc_state {
+ smallmap: binmap_t,
+ treemap: binmap_t,
+ dvsize: size_t,
+ topsize: size_t,
+ least_addr: * mut i8,
+ dv: * mut malloc_chunk,
+ top: * mut malloc_chunk,
+ trim_check: size_t,
+ release_checks: size_t,
+ magic: size_t,
+ smallbins: [* mut malloc_chunk;(NSMALLBINS+1)*2],
+ treebins: [* mut malloc_chunk;NTREEBINS],
+ footprint: size_t,
+ max_footprint: size_t,
+ footprint_limit: size_t,
+ mflags: flag_t,
+ seg: malloc_segment,
+ extp: * mut c_void,
+ mutex: u32, // MLOCK_T
+ exts: size_t,
+}
+
+#[link_name = "sgx_tstdc"]
+extern "C" {
+ static _gm_: malloc_state;
+}
+
#[no_mangle]
pub extern "C" fn say_something(some_string: *const u8, some_len: usize) -> sgx_status_t {
+ let mut word_vec;
+ unsafe {
+ println!("global memory footprint = {}", _gm_.footprint);
+ println!("global memory max_footprint = {}", _gm_.max_footprint);
+ println!("global memory footprint_limit = {}", _gm_.footprint_limit);
+ // An vector
+ word_vec = vec![32, 115, 116, 114, 105, 110, 103, 33];
+ for i in 0..10000 {
+ word_vec.push((i as u8) % 0xff);
+ }
+ println!("global memory footprint = {}", _gm_.footprint);
+ println!("global memory max_footprint = {}", _gm_.max_footprint);
+ println!("global memory footprint_limit = {}", _gm_.footprint_limit);
+ }
+ word_vec = vec![32, 115, 116, 114, 105, 110, 103, 33];
let str_slice = unsafe { slice::from_raw_parts(some_string, some_len) };
let _ = io::stdout().write(str_slice);
@@ -47,8 +114,6 @@ pub extern "C" fn say_something(some_string: *const u8, some_len: usize) -> sgx_
let rust_raw_string = "This is a in-Enclave ";
// An array
let word:[u8;4] = [82, 117, 115, 116];
- // An vector
- let word_vec:Vec<u8> = vec![32, 115, 116, 114, 105, 110, 103, 33];
// Construct a string from &'static string
let mut hello_string = String::from(rust_raw_string);
@@ -127,4 +192,4 @@ fn get_thread_num() -> (u32, u32, u32) {
}
}
(static_thread_num, eremove_thread_num, dyn_thread_num)
-}
\ No newline at end of file
+}
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