py-xbc/tests/test_upstream.py

import pytest

from xbc import loads_xbc

'''
The tests in this file are samples drawn from
https://lwn.net/Articles/806002/.
'''

def test_01():
	i = '''feature.option.foo = 1
feature.option.bar = 2'''
	d = {
		'feature.option': False,
		'feature': False,
		'feature.option.foo': '1',
		'feature.option.bar': '2'
	}
	assert loads_xbc(i) == d

def test_02():
	i = '''feature.option {
	foo = 1
	bar = 2
}'''
	d = {
		'feature.option': False,
		'feature': False,
		'feature.option.foo': '1',
		'feature.option.bar': '2'
	}
	assert loads_xbc(i) == d

def test_03():
	i = 'feature.options = "foo", "bar"'
	d = {
		'feature': False,
		'feature.options': ['foo', 'bar']
	}
	assert loads_xbc(i) == d

def test_10():
	i = 'feature.option{foo=1;bar=2}'
	d = {
		'feature.option': False,
		'feature': False,
		'feature.option.foo': '1',
		'feature.option.bar': '2'
	}
	assert loads_xbc(i) == d

def test_11():
	i = '''ftrace.event {
	task.task_newtask {
		filter = "pid < 128"
		enable
	}
	kprobes.vfs_read {
		probes = "vfs_read $arg1 $arg2"
		filter = "common_pid < 200"
		enable
	}
	synthetic.initcall_latency {
		fields = "unsigned long func", "u64 lat"
		actions = "hist:keys=func.sym,lat:vals=lat:sort=lat"
	}
	initcall.initcall_start {
		actions = "hist:keys=func:ts0=common_timestamp.usecs"
	}
	initcall.initcall_finish {
		actions = "hist:keys=func:lat=common_timestamp.usecs-$ts0:onmatch(initcall.initcall_start).initcall_latency(func,$lat)"
	}
}'''
	d = {
		'ftrace': False,
		'ftrace.event': False,
		'ftrace.event.task': False,
		'ftrace.event.task.task_newtask': False,
		'ftrace.event.task.task_newtask.filter': "pid < 128",
		'ftrace.event.task.task_newtask.enable': True,
		'ftrace.event.kprobes': False,
		'ftrace.event.kprobes.vfs_read': False,
		'ftrace.event.kprobes.vfs_read.probes': "vfs_read $arg1 $arg2",
		'ftrace.event.kprobes.vfs_read.filter': "common_pid < 200",
		'ftrace.event.kprobes.vfs_read.enable': True,
		'ftrace.event.synthetic': False,
		'ftrace.event.synthetic.initcall_latency': False,
		'ftrace.event.synthetic.initcall_latency.fields': ["unsigned long func", "u64 lat"],
		'ftrace.event.synthetic.initcall_latency.actions': "hist:keys=func.sym,lat:vals=lat:sort=lat",
		'ftrace.event.initcall': False,
		'ftrace.event.initcall.initcall_start': False,
		'ftrace.event.initcall.initcall_start.actions': "hist:keys=func:ts0=common_timestamp.usecs",
		'ftrace.event.initcall.initcall_finish': False,
		'ftrace.event.initcall.initcall_finish.actions': "hist:keys=func:lat=common_timestamp.usecs-$ts0:onmatch(initcall.initcall_start).initcall_latency(func,$lat)"
	}
	assert loads_xbc(i) == d

def test_12():
	i = '''ftrace.event.synthetic.initcall_latency {
	fields = "unsigned long func", "u64 lat"
	hist {
		from {
			event = initcall.initcall_start
			key = func
			assigns = "ts0=common_timestamp.usecs"
		}
		to {
			event = initcall.initcall_finish
			key = func
			assigns = "lat=common_timestamp.usecs-$ts0"
			onmatch = func, $lat
		}
		keys = func.sym, lat
		vals = lat
		sort = lat
	}
}'''
	d = {
		'ftrace': False,
		'ftrace.event': False,
		'ftrace.event.synthetic': False,
		'ftrace.event.synthetic.initcall_latency': False,
		'ftrace.event.synthetic.initcall_latency.fields': ["unsigned long func", "u64 lat"],
		'ftrace.event.synthetic.initcall_latency.hist': False,
		'ftrace.event.synthetic.initcall_latency.hist.from': False,
		'ftrace.event.synthetic.initcall_latency.hist.from.event': 'initcall.initcall_start',
		'ftrace.event.synthetic.initcall_latency.hist.from.key': 'func',
		'ftrace.event.synthetic.initcall_latency.hist.from.assigns': "ts0=common_timestamp.usecs",
		'ftrace.event.synthetic.initcall_latency.hist.to': False,
		'ftrace.event.synthetic.initcall_latency.hist.to.event': 'initcall.initcall_finish',
		'ftrace.event.synthetic.initcall_latency.hist.to.key': 'func',
		'ftrace.event.synthetic.initcall_latency.hist.to.assigns': "lat=common_timestamp.usecs-$ts0",
		'ftrace.event.synthetic.initcall_latency.hist.to.onmatch': ['func', '$lat'],
		'ftrace.event.synthetic.initcall_latency.hist.keys': ['func.sym', 'lat'],
		'ftrace.event.synthetic.initcall_latency.hist.vals': 'lat',
		'ftrace.event.synthetic.initcall_latency.hist.sort': 'lat'
	}
	assert loads_xbc(i) == d