TestClusterTables/ForClusterServerInfo fails on apple M1

[zhangyangyu]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

make test

2. What did you expect to see? (Required)

all cases pass

3. What did you see instead (Required)

--- FAIL: TestClusterTables (2.11s)
    --- FAIL: TestClusterTables/ForClusterServerInfo (1.53s)
        cluster_tables_serial_test.go:154:
                Error Trace:    cluster_tables_serial_test.go:154
                Error:          Not equal:
                                expected: set.StringSet{"cpu":struct {}{}, "disk":struct {}{}, "memory":struct {}{}, "net":struct {}{}}
                                actual  : set.StringSet{"disk":struct {}{}, "memory":struct {}{}, "net":struct {}{}}

                                Diff:
                                --- Expected
                                +++ Actual
                                @@ -1,4 +1,2 @@
                                -(set.StringSet) (len=4) {
                                - (string) (len=3) "cpu": (struct {}) {
                                - },
                                +(set.StringSet) (len=3) {
                                  (string) (len=4) "disk": (struct {}) {
                Test:           TestClusterTables/ForClusterServerInfo
                Messages:       sql: select * from information_schema.CLUSTER_HARDWARE;

4. What is your TiDB version? (Required)

master branch
golang 1.17.2
apple M1

I think the root cause is https://github.com/pingcap/sysutil/blob/e5c5906ed1e736d38565158bc6da9e3f2ee07034/hardware_info.go#L18. This call will fail on apple M1 due to shirou/gopsutil#1000.

[zhangyangyu]

/component test

[github-actions]

Please check whether the issue should be labeled with 'affects-x.y' or 'fixes-x.y.z', and then remove 'needs-more-info' label.