--[[
Copyright (C) 2013-2015 Draios inc.
 
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.


This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
--]]

view_info = 
{
	id = "spans_summary",
	name = "Spans Summary",
	description = "Show a summary of a tracer selection's child spans. For each span type, the view reports information like how many times it's been called and how long it took to complete.",
	tips = {
		"Only the spans spans that are direct childs of the selection (i.e. the spans with one more tag than the selection) are shown. Drilling down allows you to explore the further levels.",
		"This view collapses multiple spans with the same tag into a single entry. If you instead want to see each span as a separate entry, use the 'Spans List' view.",
	},
	tags = {"Default"},
	view_type = "table",
	applies_to = {"", "span.tag", "span.id", "span.time", "span.parenttime", "container.id", "proc.pid", "proc.name", "thread.tid", "fd.directory", "evt.res", "k8s.pod.id", "k8s.rc.id", "k8s.svc.id", "k8s.ns.id"},
	use_defaults = true,
	filter = "span.ntags>=%depth+1",
	drilldown_target = "spans_summary",
	spectro_type = "tracers",
	drilldown_increase_depth = true,
	columns = 
	{
		{
			name = "NA",
			field = "span.tag[%depth]",
			is_key = true
		},
		{
			is_sorting = true,
			name = "HITS",
			field = "span.count.fortag[%depth]",
			description = "number of times the span with the given tag has been hit.",
			colsize = 10,
			aggregation = "SUM"
		},
		{
			name = "AVG TIME",
			field = "span.duration.fortag[%depth]",
			description = "the average time this span took to complete.",
			colsize = 10,
			aggregation = "AVG"
		},
		{
			name = "MIN TIME",
			field = "span.duration.fortag[%depth]",
			description = "the minimum time this span took to complete.",
			colsize = 10,
			aggregation = "MIN"
		},
		{
			name = "MAX TIME",
			field = "span.duration.fortag[%depth]",
			description = "the maximum time this span took to complete.",
			colsize = 10,
			aggregation = "MAX"
		},
		{
			name = "CHD HITS",
			field = "span.childcount.fortag[%depth]",
			description = "number of times any child of the span with the given tag has been hit. This is useful to determine if the span is a leaf or if it has childs nested in it.",
			colsize = 10,
			aggregation = "SUM"
		},
		{
			name = "TAG",
			field = "span.tag[%depth]",
			description = "span tag.",
			colsize = 256,
			aggregation = "SUM"
		},
	}
}
