feat: prover-client exec timing analysis scripts.

yarn-project/prover-client/analyse_bin_timings.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+NODE_NO_WARNINGS=1 strace -f -tt -T \
+  -e trace=execve \
+  -o /dev/stderr \
+  -s 4096 \
+  node --experimental-vm-modules ../node_modules/.bin/jest --testTimeout=1500000 --forceExit \
+    src/test/bb_prover_full_rollup.test.ts \
+    2> >(./process_trace.sh) \
+    1>/dev/null

yarn-project/prover-client/process_trace.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+awk '
+/execve/ && /aztec-packages/ {
+    # Extract the PID, timestamp, and command
+    pid = $1
+    match($0, /execve\([^,]+, \[(.+?)\]/, cmd)
+    command[pid] = cmd[1]
+    sub("/mnt/user-data/charlie/aztec-repos/aztec-packages/", "", command[pid])
+    sub(".* ", "", $2)  # Remove the date from timestamp
+    start_time[pid] = $2
+}
+
+/\+\+\+ exited/ {
+    # Extract the PID and timestamp from the exit line
+    pid = $1
+    if (pid in start_time) {
+        sub(".* ", "", $2)  # Remove the date from timestamp
+        end_time = $2
+
+        # Calculate the wall-clock time
+        split(start_time[pid], start, ":")
+        split(end_time, end, ":")
+        wall_clock = (end[1] * 3600 + end[2] * 60 + end[3]) - (start[1] * 3600 + start[2] * 60 + start[3])
+        if (wall_clock < 0) wall_clock += 86400  # Handle timestamp wrapping across midnight
+
+        # Print in the desired format: [timestamp] [wall-clock-time] [command]
+        printf "[%s] [%.3f] [%s]\n", start_time[pid], wall_clock, command[pid]
+        delete command[pid]
+        delete start_time[pid]
+    }
+}
+' $1
+