mcavage

var bunyan = require('bunyan');
var restify = require('restify');

var server = restify.createServer({
        log: bunyan.createLogger({
                name: 'restify',
                stream: process.stdout,
                level: process.env.LOG_LEVEL || 'info',
                serializers: restify.bunyan.serializers
        })

mcavage

  putobject-ensureParent                            
           value  ------------- Distribution ------------- count    
              -1 |                                         0        
               0 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@  153      
               1 |                                         1        
               2 |                                         1        
               4 |                                         1        
               8 |                                         0        

  putobject-ensureContentLength                     

mcavage

#!/bin/bash



# Globals

#export SDC_CLI_URL=https://us-west-1.api.joyentcloud.com
#export SDC_CLI_ACCOUNT=mark.cavage
#export SDC_CLI_KEY_ID=id_rsa

mcavage

var restify = require('restify');



///--- Globals

var NotAuthorizedError = restify.NotAuthorizedError;

mcavage

/**
 * Figure out how long it takes for a method to execute.
 *
 * @param {func} method to test
 * @param {int} iterations number of executions.
 * @param {Array} args to pass in.
 * @param {T} context the context to call the method in.
 * @return {int} the time it took, in milliseconds to execute.
 */
var bench = function (method, iterations, args, context) {

mcavage

if (!String.prototype.capitalize) {
  String.prototype.capitalize = function() {
    return this.charAt(0).toUpperCase() + this.slice(1);
  }
}


function assertArg(name, type) {
  if (typeof(name) !== type)
    throw new TypeError(name + '(' + type.capitalize() + ') required');

mcavage

#!/usr/bin/env node
// -*- mode: js -*-

var fs = require('fs');
var semver = require('semver');
var spawn = require('child_process').spawn;


///--- Globals
var deps = {};

mcavage

[root@headnode (bh1-kvm1:0) ~]# plockstat -A -e 6 -p  40679 
        0
Mutex hold

Count     nsec Lock                         Caller
-------------------------------------------------------------------------------
 8421     1751 0xaa5408                     beam.smp`erts_smp_mtx_unlock+0x9
 2629     1749 0x61dee0                     beam.smp`erts_deliver_time+0x4b
 3257     1395 0xed46e8                     beam.smp`erts_alcu_alloc_thr_pref+0xd6
  208    21752 0xfffffd7fe97d9a70           beam.smp`do_port_command+0x34c

mcavage

[root@headnode (bh1-kvm1:0) ~]# dtrace -n 'profile-997 /execname == "beam.smp"/ { @[stack()] = count(); }' 
dtrace: description 'profile-997 ' matched 1 probe
^C


              genunix`writev+0x248
              unix`sys_syscall+0x17a
                1

              genunix`syscall_mstate+0x91

mcavage

[root@headnode (coal:0) ~]# dtrace -n 'syscall:::entry /execname == "beam.smp"/ { self->s = timestamp; } syscall:::return /self->s/ { @[>
dtrace: description 'syscall:::entry ' matched 462 probes
^C

  beam.smp                                            mmap                                              
           value  ------------- Distribution ------------- count    
            8192 |                                         0        
           16384 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 2        
           32768 |                                         0