#!/bin/sh

set -o errexit

libraft_path="${LIBRAFT_SO_PATH:-/usr/local/lib/libraft.so.2}"

exec bpftrace -I resources -I include $@ - <<EOF

#include <raft.h>

struct request

{

void *data;

int type;

raft_index index;

queue queue;

};

uprobe:$libraft_path:lifecycleRequestStart

{

\$req = (struct request *)arg1;

@start_request[\$req->data, \$req->type, \$req->index] = nsecs;

}

uprobe:$libraft_path:lifecycleRequestEnd

{

\$req = (struct request *)arg1;

\$start = @start_request[\$req->data, \$req->type, \$req->index];

\$end = nsecs;

@full[\$req->data, \$req->type, \$req->index] = (\$start, \$end);

\$elapsed_msecs = (\$end - \$start) / 1000;

@hist = lhist(\$elapsed_msecs, 100, 1000, 10);

delete(@start_request[\$req->data, \$req->type, \$req->index]);

}

EOF