in mac/ubuntu/centos can't get cpu time.

[xiaods]

$ go test -v
=== RUN TestCpu_times
--- FAIL: TestCpu_times (0.00s)
cpu_test.go:13: error could not get cpu time
cpu_test.go:16: could not get CPUs could not get cpu time
=== RUN TestCpu_counts
--- PASS: TestCpu_counts (0.00s)
=== RUN TestCPUTimeStat_String
--- PASS: TestCPUTimeStat_String (0.00s)
=== RUN TestCpuInfo
--- PASS: TestCpuInfo (0.00s)
=== RUN TestCPUPercent
--- FAIL: TestCPUPercent (0.00s)
cpu_test.go:72: error could not get cpu time
cpu_test.go:75: wrong number of entries from CPUPercent: []
=== RUN TestCPUPercentPerCpu
--- FAIL: TestCPUPercentPerCpu (0.00s)
cpu_test.go:72: error could not get cpu time
cpu_test.go:75: wrong number of entries from CPUPercent: []
FAIL
exit status 1
FAIL github.com/shirou/gopsutil/cpu 0.007s

[shirou]

on my environment (Linux 3.13.0-57-generic #95-Ubuntu SMP and Mac OS X yosemite), it works.

 go test -v 
=== RUN TestCpu_times
--- PASS: TestCpu_times (0.00s)
=== RUN TestCpu_counts
--- PASS: TestCpu_counts (0.00s)
=== RUN TestCPUTimeStat_String
--- PASS: TestCPUTimeStat_String (0.00s)
=== RUN TestCpuInfo
--- PASS: TestCpuInfo (0.00s)
=== RUN TestCPUPercent
--- PASS: TestCPUPercent (0.01s)
=== RUN TestCPUPercentPerCpu
--- PASS: TestCPUPercentPerCpu (0.02s)
PASS
ok      github.com/shirou/gopsutil/cpu  0.031s

Could you tell me what commit id you tested and your environment?

Thank you.

[xiaods]

mac 10.10.5
today i found you update some code relative cpu. let me check a again.

[shirou]

@xiaods I have changed to use CGO on darwin on 47f6760. Could you check it out? Thank you.

[xiaods]

@shirou it works now. thanks for your help.