Full block import benchmark (#4865)

* full block import benchmark

* try rocksdb cache

* add profiling helper

* use random keyring instead of zero caching

* update docs

* add more io stats

* remove last sentence

* add ci job to see

* Update primitives/keyring/src/sr25519.rs

Co-Authored-By: Marcio Diaz <marcio.diaz@gmail.com>

* switch to 100tx-block

* remove ci script

Co-authored-by: Marcio Diaz <marcio@parity.io>

substrate/Cargo.lock

@@ -1578,6 +1578,12 @@ dependencies = [
  "winapi 0.3.8",
 ]
 
+[[package]]
+name = "fs_extra"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f2a4a2034423744d2cc7ca2068453168dcdb82c438419e639a26bd87839c674"
+
 [[package]]
 name = "fuchsia-cprng"
 version = "0.1.1"
@@ -3602,8 +3608,12 @@ dependencies = [
 name = "node-testing"
 version = "2.0.0"
 dependencies = [
+ "criterion 0.3.1",
  "frame-support",
  "frame-system",
+ "fs_extra",
+ "hex-literal",
+ "log 0.4.8",
  "node-executor",
  "node-primitives",
  "node-runtime",
@@ -3618,13 +3628,24 @@ dependencies = [
  "pallet-transaction-payment",
  "pallet-treasury",
  "parity-scale-codec",
+ "sc-cli",
  "sc-client",
+ "sc-client-api",
+ "sc-client-db",
  "sc-executor",
+ "sp-api",
+ "sp-block-builder",
+ "sp-blockchain",
+ "sp-consensus",
  "sp-core",
+ "sp-finality-tracker",
+ "sp-inherents",
  "sp-io",
  "sp-keyring",
  "sp-runtime",
+ "sp-timestamp",
  "substrate-test-client",
+ "tempdir",
  "wabt",
 ]
 
@@ -7715,6 +7736,16 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c63f48baada5c52e65a29eef93ab4f8982681b67f9e8d29c7b05abcfec2b9ffe"
 
+[[package]]
+name = "tempdir"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
+dependencies = [
+ "rand 0.4.6",
+ "remove_dir_all",
+]
+
 [[package]]
 name = "tempfile"
 version = "3.1.0"