/* * This file and its contents are supplied under the terms of the * Common Development and Distribution License ("CDDL"), version 1.0. * You may only use this file in accordance with the terms of version * 1.0 of the CDDL. * * A full copy of the text of the CDDL should have accompanied this * source. A copy of the CDDL is also available via the Internet at * http://www.illumos.org/license/CDDL. */ /* * Copyright (c) 2012, Joyent, Inc. All rights reserved. */ #pragma D option strsize=4k #pragma D option quiet #pragma D option destructive /* * This test reads a JSON string from a USDT probe, roughly simulating the * primary motivating use case for the json() subroutine: filtering * JSON-formatted log messages from a logging subsystem like node-bunyan. */ pid$1:a.out:waiting:entry { this->value = (int *)alloca(sizeof (int)); *this->value = 1; copyout(this->value, arg0, sizeof (int)); } bunyan*$1:::log-* { this->j = copyinstr(arg0); } bunyan*$1:::log-* /json(this->j, "finished") == NULL && json(this->j, "action") != "ignore"/ { this->index = strtoll(json(this->j, "index")); this->size = json(this->j, "sizes[2]"); this->odd = json(this->j, "facts.odd"); this->even = json(this->j, "facts.even"); printf("[%d] sz %s odd %s even %s\n", this->index, this->size, this->odd, this->even); } bunyan*$1:::log-* /json(this->j, "finished") != NULL/ { printf("FINISHED!\n"); exit(0); } tick-10s { printf("ERROR: Timed out before finish message!\n"); exit(1); } ERROR { exit(1); } |