summaryrefslogtreecommitdiffhomepage
path: root/pkg/sentry/control
diff options
context:
space:
mode:
Diffstat (limited to 'pkg/sentry/control')
-rw-r--r--pkg/sentry/control/BUILD47
-rwxr-xr-xpkg/sentry/control/control_state_autogen.go3
-rw-r--r--pkg/sentry/control/proc_test.go166
3 files changed, 3 insertions, 213 deletions
diff --git a/pkg/sentry/control/BUILD b/pkg/sentry/control/BUILD
deleted file mode 100644
index e69496477..000000000
--- a/pkg/sentry/control/BUILD
+++ /dev/null
@@ -1,47 +0,0 @@
-load("//tools:defs.bzl", "go_library", "go_test")
-
-package(licenses = ["notice"])
-
-go_library(
- name = "control",
- srcs = [
- "control.go",
- "logging.go",
- "pprof.go",
- "proc.go",
- "state.go",
- ],
- visibility = [
- "//:sandbox",
- ],
- deps = [
- "//pkg/abi/linux",
- "//pkg/fd",
- "//pkg/log",
- "//pkg/sentry/fs",
- "//pkg/sentry/fs/host",
- "//pkg/sentry/kernel",
- "//pkg/sentry/kernel/auth",
- "//pkg/sentry/kernel/time",
- "//pkg/sentry/limits",
- "//pkg/sentry/state",
- "//pkg/sentry/strace",
- "//pkg/sentry/usage",
- "//pkg/sentry/watchdog",
- "//pkg/sync",
- "//pkg/tcpip/link/sniffer",
- "//pkg/urpc",
- ],
-)
-
-go_test(
- name = "control_test",
- size = "small",
- srcs = ["proc_test.go"],
- library = ":control",
- deps = [
- "//pkg/log",
- "//pkg/sentry/kernel/time",
- "//pkg/sentry/usage",
- ],
-)
diff --git a/pkg/sentry/control/control_state_autogen.go b/pkg/sentry/control/control_state_autogen.go
new file mode 100755
index 000000000..bd5797221
--- /dev/null
+++ b/pkg/sentry/control/control_state_autogen.go
@@ -0,0 +1,3 @@
+// automatically generated by stateify.
+
+package control
diff --git a/pkg/sentry/control/proc_test.go b/pkg/sentry/control/proc_test.go
deleted file mode 100644
index 0a88459b2..000000000
--- a/pkg/sentry/control/proc_test.go
+++ /dev/null
@@ -1,166 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package control
-
-import (
- "testing"
-
- "gvisor.dev/gvisor/pkg/log"
- ktime "gvisor.dev/gvisor/pkg/sentry/kernel/time"
- "gvisor.dev/gvisor/pkg/sentry/usage"
-)
-
-func init() {
- log.SetLevel(log.Debug)
-}
-
-// Tests that ProcessData.Table() prints with the correct format.
-func TestProcessListTable(t *testing.T) {
- testCases := []struct {
- pl []*Process
- expected string
- }{
- {
- pl: []*Process{},
- expected: "UID PID PPID C TTY STIME TIME CMD",
- },
- {
- pl: []*Process{
- {
- UID: 0,
- PID: 0,
- PPID: 0,
- C: 0,
- TTY: "?",
- STime: "0",
- Time: "0",
- Cmd: "zero",
- },
- {
- UID: 1,
- PID: 1,
- PPID: 1,
- C: 1,
- TTY: "pts/4",
- STime: "1",
- Time: "1",
- Cmd: "one",
- },
- },
- expected: `UID PID PPID C TTY STIME TIME CMD
-0 0 0 0 ? 0 0 zero
-1 1 1 1 pts/4 1 1 one`,
- },
- }
-
- for _, tc := range testCases {
- output := ProcessListToTable(tc.pl)
-
- if tc.expected != output {
- t.Errorf("PrintTable(%v): got:\n%s\nwant:\n%s", tc.pl, output, tc.expected)
- }
- }
-}
-
-func TestProcessListJSON(t *testing.T) {
- testCases := []struct {
- pl []*Process
- expected string
- }{
- {
- pl: []*Process{},
- expected: "[]",
- },
- {
- pl: []*Process{
- {
- UID: 0,
- PID: 0,
- PPID: 0,
- C: 0,
- STime: "0",
- Time: "0",
- Cmd: "zero",
- },
- {
- UID: 1,
- PID: 1,
- PPID: 1,
- C: 1,
- STime: "1",
- Time: "1",
- Cmd: "one",
- },
- },
- expected: "[0,1]",
- },
- }
-
- for _, tc := range testCases {
- output, err := PrintPIDsJSON(tc.pl)
- if err != nil {
- t.Errorf("failed to generate JSON: %v", err)
- }
-
- if tc.expected != output {
- t.Errorf("PrintJSON(%v): got:\n%s\nwant:\n%s", tc.pl, output, tc.expected)
- }
- }
-}
-
-func TestPercentCPU(t *testing.T) {
- testCases := []struct {
- stats usage.CPUStats
- startTime ktime.Time
- now ktime.Time
- expected int32
- }{
- {
- // Verify that 100% use is capped at 99.
- stats: usage.CPUStats{UserTime: 1e9, SysTime: 1e9},
- startTime: ktime.FromNanoseconds(7e9),
- now: ktime.FromNanoseconds(9e9),
- expected: 99,
- },
- {
- // Verify that if usage > lifetime, we get at most 99%
- // usage.
- stats: usage.CPUStats{UserTime: 2e9, SysTime: 2e9},
- startTime: ktime.FromNanoseconds(7e9),
- now: ktime.FromNanoseconds(9e9),
- expected: 99,
- },
- {
- // Verify that 50% usage is reported correctly.
- stats: usage.CPUStats{UserTime: 1e9, SysTime: 1e9},
- startTime: ktime.FromNanoseconds(12e9),
- now: ktime.FromNanoseconds(16e9),
- expected: 50,
- },
- {
- // Verify that 0% usage is reported correctly.
- stats: usage.CPUStats{UserTime: 0, SysTime: 0},
- startTime: ktime.FromNanoseconds(12e9),
- now: ktime.FromNanoseconds(14e9),
- expected: 0,
- },
- }
-
- for _, tc := range testCases {
- if pcpu := percentCPU(tc.stats, tc.startTime, tc.now); pcpu != tc.expected {
- t.Errorf("percentCPU(%v, %v, %v): got %d, want %d", tc.stats, tc.startTime, tc.now, pcpu, tc.expected)
- }
- }
-}