The initial results on my machine are:
```
real 252 it/s
user 289 it/s
```
Signed-off-by: Michał Górny <mgo...@gentoo.org>
---
eclass/tests/cargo-bench.sh | 107 ++++++++++++++++++++++++++++++++++++
1 file changed, 107 insertions(+)
create mode 100755 eclass/tests/cargo-bench.sh
diff --git a/eclass/tests/cargo-bench.sh b/eclass/tests/cargo-bench.sh
new file mode 100755
index 000000000000..cdc5e4431c14
--- /dev/null
+++ b/eclass/tests/cargo-bench.sh
@@ -0,0 +1,107 @@
+#!/bin/bash
+# Copyright 2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+source tests-common.sh || exit
+
+export LC_ALL=C
+
+ITERATIONS=1000
+RUNS=3
+
+doit() {
+ for (( i = 0; i < ITERATIONS; i++ )); do
+ SRC_URI="
+ $(cargo_crate_uris)
+ "
+ done
+}
+
+timeit() {
+ local real=()
+ local user=()
+ local x vr avg
+
+ for (( x = 0; x < RUNS; x++ )); do
+ while read tt tv; do
+ case ${tt} in
+ real) real+=( ${tv} );;
+ user) user+=( ${tv} );;
+ esac
+ done < <( ( time -p doit ) 2>&1 )
+ done
+
+ [[ ${#real[@]} == ${RUNS} ]] || die "Did not get ${RUNS} real times"
+ [[ ${#user[@]} == ${RUNS} ]] || die "Did not get ${RUNS} user times"
+
+ local xr avg
+ for x in real user; do
+ xr="${x}[*]"
+ avg=$(dc -S 3 -e "${ITERATIONS} ${RUNS} * ${!xr} + + / p")
+
+ printf '%s %4.0f it/s\n' "${x}" "${avg}"
+ done
+}
+
+# taken from cryptograpy-41.0.1
+CRATES="
+ Inflector-0.11.4
+ aliasable-0.1.3
+ asn1-0.15.2
+ asn1_derive-0.15.2
+ autocfg-1.1.0
+ base64-0.13.1
+ bitflags-1.3.2
+ cc-1.0.79
+ cfg-if-1.0.0
+ foreign-types-0.3.2
+ foreign-types-shared-0.1.1
+ indoc-1.0.9
+ libc-0.2.144
+ lock_api-0.4.9
+ memoffset-0.8.0
+ once_cell-1.17.2
+ openssl-0.10.54
+ openssl-macros-0.1.1
+ openssl-sys-0.9.88
+ ouroboros-0.15.6
+ ouroboros_macro-0.15.6
+ parking_lot-0.12.1
+ parking_lot_core-0.9.7
+ pem-1.1.1
+ pkg-config-0.3.27
+ proc-macro-error-1.0.4
+ proc-macro-error-attr-1.0.4
+ proc-macro2-1.0.59
+ pyo3-0.18.3
+ pyo3-build-config-0.18.3
+ pyo3-ffi-0.18.3
+ pyo3-macros-0.18.3
+ pyo3-macros-backend-0.18.3
+ quote-1.0.28
+ redox_syscall-0.2.16
+ scopeguard-1.1.0
+ smallvec-1.10.0
+ syn-1.0.109
+ syn-2.0.18
+ target-lexicon-0.12.7
+ unicode-ident-1.0.9
+ unindent-0.1.11
+ vcpkg-0.2.15
+ version_check-0.9.4
+ windows-sys-0.45.0
+ windows-targets-0.42.2
+ windows_aarch64_gnullvm-0.42.2
+ windows_aarch64_msvc-0.42.2
+ windows_i686_gnu-0.42.2
+ windows_i686_msvc-0.42.2
+ windows_x86_64_gnu-0.42.2
+ windows_x86_64_gnullvm-0.42.2
+ windows_x86_64_msvc-0.42.2
+"
+
+inherit cargo
+timeit
+
+texit
--
2.41.0
