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1--
2-- Copyright 2023 The Android Open Source Project
3--
4-- Licensed under the Apache License, Version 2.0 (the "License");
5-- you may not use this file except in compliance with the License.
6-- You may obtain a copy of the License at
7--
8--     https://www.apache.org/licenses/LICENSE-2.0
9--
10-- Unless required by applicable law or agreed to in writing, software
11-- distributed under the License is distributed on an "AS IS" BASIS,
12-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13-- See the License for the specific language governing permissions and
14-- limitations under the License.
15--
16
17-- Events when CPU entered hypervisor.
18CREATE PERFETTO VIEW pkvm_hypervisor_events (
19  -- Id of the corresponding slice in slices table.
20  slice_id JOINID(slice.id),
21  -- CPU that entered hypervisor.
22  cpu LONG,
23  -- Timestamp when CPU entered hypervisor.
24  ts TIMESTAMP,
25  -- How much time CPU spent in hypervisor.
26  dur DURATION,
27  -- Reason for entering hypervisor (e.g. host_hcall, host_mem_abort), or NULL if unknown.
28  reason STRING
29) AS
30SELECT
31  slices.id AS slice_id,
32  cpu_track.cpu AS cpu,
33  slices.ts AS ts,
34  slices.dur AS dur,
35  extract_arg(slices.arg_set_id, 'hyp_enter_reason') AS reason
36FROM slices
37JOIN cpu_track
38  ON cpu_track.id = slices.track_id
39WHERE
40  slices.category = 'pkvm_hyp';
41