[0.10.4.1] : panic: runtime error: invalid memory address or nil pointer dereference

Hi,
I have telegraf deployed on around 1000servers, and It's crashing regulary on 1host (debian wheezy)

```
2016/03/09 09:12:38 Gathered metrics, (30s interval), from 12 inputs in 27.215759163s
panic: runtime error: invalid memory address or nil pointer dereference
    panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xb code=0x1 addr=0x0 pc=0x6ed5c3]

goroutine 24574 [running]:
net.(*UnixConn).Close(0x0, 0x0, 0x0)
    <autogenerated>:118 +0x23
net.(*UnixConn).Write(0x0, 0xc82028735c, 0x10, 0x40, 0x0, 0x0, 0x0)
    <autogenerated>:117 +0x2c
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*conn).writeRecord(0xc820287320, 0xc800015a01, 0xc820935aa0, 0x8, 0x8, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm_fcgi.go:162 +0x418
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*conn).writeBeginRequest(0xc820287320, 0x7f0000010001, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm_fcgi.go:168 +0xbb
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*conn).Request(0xc820287320, 0xc820186a80, 0xc820935c38, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm_fcgi.go:307 +0x130
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).gatherFcgi(0xc8200da180, 0xc820287320, 0xc820174e28, 0xa, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:152 +0x263
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).gatherServer(0xc8200da180, 0xc820174e11, 0x21, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:139 +0x6f5
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820174e11, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:89 +0x7b
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 1 [semacquire]:
sync.runtime_Semacquire(0xc820aea04c)
    /usr/local/go/src/runtime/sema.go:43 +0x26
sync.(*WaitGroup).Wait(0xc820aea040)
    /usr/local/go/src/sync/waitgroup.go:126 +0xb4
github.com/influxdata/telegraf/agent.(*Agent).gatherParallel(0xc8201c4038, 0xc820154480, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:148 +0x145
github.com/influxdata/telegraf/agent.(*Agent).Run(0xc8201c4038, 0xc8201541e0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:376 +0xa84
main.main()
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/cmd/telegraf/telegraf.go:234 +0x1cbc

goroutine 17 [syscall, 374 minutes, locked to thread]:
runtime.goexit()
    /usr/local/go/src/runtime/asm_amd64.s:1721 +0x1

goroutine 5 [syscall, 374 minutes]:
os/signal.loop()
    /usr/local/go/src/os/signal/signal_unix.go:22 +0x18
created by os/signal.init.1
    /usr/local/go/src/os/signal/signal_unix.go:28 +0x37

goroutine 70 [chan receive, 374 minutes]:
main.main.func2(0xc820154240, 0xc8201541e0, 0xc820456000)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/cmd/telegraf/telegraf.go:206 +0x47
created by main.main
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/cmd/telegraf/telegraf.go:216 +0x1589

goroutine 69 [select, 374 minutes, locked to thread]:
runtime.gopark(0x1253938, 0xc820033728, 0x104bd90, 0x6, 0xc820017018, 0x2)
    /usr/local/go/src/runtime/proc.go:185 +0x163
runtime.selectgoImpl(0xc820033728, 0x0, 0x18)
    /usr/local/go/src/runtime/select.go:392 +0xa64
runtime.selectgo(0xc820033728)
    /usr/local/go/src/runtime/select.go:212 +0x12
runtime.ensureSigM.func1()
    /usr/local/go/src/runtime/signal1_unix.go:227 +0x353
runtime.goexit()
    /usr/local/go/src/runtime/asm_amd64.s:1721 +0x1

goroutine 71 [runnable]:
github.com/influxdata/telegraf/agent.(*Agent).flusher(0xc8201c4038, 0xc8201541e0, 0xc820154480, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:275 +0x340
github.com/influxdata/telegraf/agent.(*Agent).Run.func1(0xc8201ae6c0, 0xc8201c4038, 0xc8201541e0, 0xc820154480)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:353 +0x7f
created by github.com/influxdata/telegraf/agent.(*Agent).Run
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:357 +0x938

goroutine 32 [IO wait]:
net.runtime_pollWait(0x7f87da01a198, 0x72, 0xc8200101d0)
    /usr/local/go/src/runtime/netpoll.go:157 +0x60
net.(*pollDesc).Wait(0xc82039a3e0, 0x72, 0x0, 0x0)
    /usr/local/go/src/net/fd_poll_runtime.go:73 +0x3a
net.(*pollDesc).WaitRead(0xc82039a3e0, 0x0, 0x0)
    /usr/local/go/src/net/fd_poll_runtime.go:78 +0x36
net.(*netFD).Read(0xc82039a380, 0xc82031e000, 0x1000, 0x1000, 0x0, 0x7f87da00f050, 0xc8200101d0)
    /usr/local/go/src/net/fd_unix.go:232 +0x23a
net.(*conn).Read(0xc820afc010, 0xc82031e000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/net.go:172 +0xe4
net/http.noteEOFReader.Read(0x7f87da01a510, 0xc820afc010, 0xc820184f78, 0xc82031e000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/http/transport.go:1370 +0x67
net/http.(*noteEOFReader).Read(0xc8200da0a0, 0xc82031e000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
    <autogenerated>:126 +0xd0
bufio.(*Reader).fill(0xc820018180)
    /usr/local/go/src/bufio/bufio.go:97 +0x1e9
bufio.(*Reader).Peek(0xc820018180, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/bufio/bufio.go:132 +0xcc
net/http.(*persistConn).readLoop(0xc820184f20)
    /usr/local/go/src/net/http/transport.go:876 +0xf7
created by net/http.(*Transport).dialConn
    /usr/local/go/src/net/http/transport.go:685 +0xc78

goroutine 33636 [semacquire]:
sync.runtime_Semacquire(0xc820aca00c)
    /usr/local/go/src/runtime/sema.go:43 +0x26
sync.(*WaitGroup).Wait(0xc820aca000)
    /usr/local/go/src/sync/waitgroup.go:126 +0xb4
github.com/influxdata/telegraf/plugins/inputs/apache.(*Apache).Gather(0xc8200da100, 0x7f87d393ba40, 0xc820bfa000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/apache/apache.go:52 +0x379
github.com/influxdata/telegraf/agent.(*Agent).gatherParallel.func1(0xc820aea040, 0xc820154480, 0xc8201c4038, 0x0, 0xc820186840)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:137 +0x432
created by github.com/influxdata/telegraf/agent.(*Agent).gatherParallel
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:141 +0x442

goroutine 24572 [runnable]:
time.Sleep(0x186a0)
    /usr/local/go/src/runtime/time.go:59 +0xf9
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*conn).writePairs(0xc820286e10, 0x7f0000010004, 0xc820186a20, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm_fcgi.go:179 +0x6df
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*conn).Request(0xc820286e10, 0xc820186a20, 0xc8208fdc38, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm_fcgi.go:312 +0x194
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).gatherFcgi(0xc8200da180, 0xc820286e10, 0xc820174dc8, 0xa, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:152 +0x263
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).gatherServer(0xc8200da180, 0xc820174db1, 0x21, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:139 +0x6f5
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820174db1, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:89 +0x7b
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33 [select]:
net/http.(*persistConn).writeLoop(0xc820184f20)
    /usr/local/go/src/net/http/transport.go:1009 +0x40c
created by net/http.(*Transport).dialConn
    /usr/local/go/src/net/http/transport.go:686 +0xc9d

goroutine 24573 [runnable]:
net.runtime_pollWait(0x7f87da019b98, 0x72, 0xc8200101d0)
    /usr/local/go/src/runtime/netpoll.go:157 +0x60
net.(*pollDesc).Wait(0xc820bf0060, 0x72, 0x0, 0x0)
    /usr/local/go/src/net/fd_poll_runtime.go:73 +0x3a
net.(*pollDesc).WaitRead(0xc820bf0060, 0x0, 0x0)
    /usr/local/go/src/net/fd_poll_runtime.go:78 +0x36
net.(*netFD).Read(0xc820bf0000, 0xc820345220, 0x8, 0x8, 0x0, 0x7f87da00f050, 0xc8200101d0)
    /usr/local/go/src/net/fd_unix.go:232 +0x23a
net.(*conn).Read(0xc820396020, 0xc820345220, 0x8, 0x8, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/net.go:172 +0xe4
io.ReadAtLeast(0x7f87d307a1e0, 0xc820396020, 0xc820345220, 0x8, 0x8, 0x8, 0x0, 0x0, 0x0)
    /usr/local/go/src/io/io.go:298 +0xe6
io.ReadFull(0x7f87d307a1e0, 0xc820396020, 0xc820345220, 0x8, 0x8, 0x8, 0x0, 0x0)
    /usr/local/go/src/io/io.go:316 +0x62
encoding/binary.Read(0x7f87d307a1e0, 0xc820396020, 0x7f87d307a138, 0x1795760, 0xe82760, 0xc820688000, 0x0, 0x0)
    /usr/local/go/src/encoding/binary/binary.go:216 +0x1336
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*record).read(0xc820688000, 0x7f87d307a1e0, 0xc820396020, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm_fcgi.go:130 +0xdd
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*conn).Request(0xc8202862d0, 0xc820186a50, 0xc820389c38, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm_fcgi.go:329 +0x32b
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).gatherFcgi(0xc8200da180, 0xc8202862d0, 0xc820174df8, 0xa, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:152 +0x263
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).gatherServer(0xc8200da180, 0xc820174de1, 0x21, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:139 +0x6f5
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820174de1, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:89 +0x7b
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 24577 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*conn).Request(0xc820973b00, 0xc82026fbf0, 0xc8205bdc38, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm_fcgi.go:329 +0x305
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).gatherFcgi(0xc8200da180, 0xc820973b00, 0xc820174eb8, 0xa, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:152 +0x263
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).gatherServer(0xc8200da180, 0xc820174ea1, 0x21, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:139 +0x6f5
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820174ea1, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:89 +0x7b
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33690 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820186031, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:87
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33641 [runnable]:
syscall.Syscall(0x3, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/syscall/asm_linux_amd64.s:18 +0x5
syscall.Close(0x18, 0x0, 0x0)
    /usr/local/go/src/syscall/zsyscall_linux_amd64.go:296 +0x4a
syscall.forkExec(0x1053580, 0xd, 0xc820b9a4c0, 0x4, 0x4, 0xc8205c1398, 0x2970, 0x0, 0x0)
    /usr/local/go/src/syscall/exec_unix.go:201 +0x540
syscall.StartProcess(0x1053580, 0xd, 0xc820b9a4c0, 0x4, 0x4, 0xc8205c1398, 0x2, 0x4, 0x0, 0x0)
    /usr/local/go/src/syscall/exec_unix.go:240 +0x6b
os.startProcess(0x1053580, 0xd, 0xc820b9a4c0, 0x4, 0x4, 0xc8205c15d0, 0xc820b52000, 0x0, 0x0)
    /usr/local/go/src/os/exec_posix.go:45 +0x33c
os.StartProcess(0x1053580, 0xd, 0xc820b9a4c0, 0x4, 0x4, 0xc8205c15d0, 0x0, 0x0, 0x0)
    /usr/local/go/src/os/doc.go:24 +0x69
os/exec.(*Cmd).Start(0xc82017a280, 0x0, 0x0)
    /usr/local/go/src/os/exec/exec.go:328 +0x767
os/exec.(*Cmd).Run(0xc82017a280, 0x0, 0x0)
    /usr/local/go/src/os/exec/exec.go:255 +0x2d
os/exec.(*Cmd).Output(0xc82017a280, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/os/exec/exec.go:408 +0x1a1
github.com/shirou/gopsutil/disk.GetDiskSerialNumber(0xc82039a2ad, 0x4, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/shirou/gopsutil/disk/disk_linux.go:302 +0x212
github.com/shirou/gopsutil/disk.DiskIOCounters(0x0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/shirou/gopsutil/disk/disk_linux.go:294 +0x774
github.com/influxdata/telegraf/plugins/inputs/system.(*systemPS).DiskIO(0x1795760, 0x7f87da1c0c50, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/system/ps.go:116 +0x28
github.com/influxdata/telegraf/plugins/inputs/system.(*DiskIOStats).Gather(0xc820187710, 0x7f87d393ba40, 0xc820360c40, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/system/disk.go:104 +0x67
github.com/influxdata/telegraf/agent.(*Agent).gatherParallel.func1(0xc820aea040, 0xc820154480, 0xc8201c4038, 0x0, 0xc820187770)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:137 +0x432
created by github.com/influxdata/telegraf/agent.(*Agent).gatherParallel
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:141 +0x442

goroutine 33637 [semacquire]:
sync.runtime_Semacquire(0xc82037600c)
    /usr/local/go/src/runtime/sema.go:43 +0x26
sync.(*WaitGroup).Wait(0xc820376000)
    /usr/local/go/src/sync/waitgroup.go:126 +0xb4
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather(0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:93 +0x1fe
github.com/influxdata/telegraf/agent.(*Agent).gatherParallel.func1(0xc820aea040, 0xc820154480, 0xc8201c4038, 0x0, 0xc820186cc0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:137 +0x432
created by github.com/influxdata/telegraf/agent.(*Agent).gatherParallel
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:141 +0x442

goroutine 33686 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820174f91, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:87
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33694 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820186571, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:87
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33692 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820186091, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:87
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33544 [syscall]:
syscall.Syscall(0x0, 0x11, 0xc820b60e00, 0x200, 0x40040, 0x2e220, 0x412749)
    /usr/local/go/src/syscall/asm_linux_amd64.s:18 +0x5
syscall.read(0x11, 0xc820b60e00, 0x200, 0x200, 0x0, 0x0, 0x0)
    /usr/local/go/src/syscall/zsyscall_linux_amd64.go:783 +0x5f
syscall.Read(0x11, 0xc820b60e00, 0x200, 0x200, 0xc820989ce8, 0x0, 0x0)
    /usr/local/go/src/syscall/syscall_unix.go:160 +0x4d
os.(*File).read(0xc82003a0f8, 0xc820b60e00, 0x200, 0x200, 0xc820b60e00, 0x0, 0x0)
    /usr/local/go/src/os/file_unix.go:211 +0x53
os.(*File).Read(0xc82003a0f8, 0xc820b60e00, 0x200, 0x200, 0x58b086, 0x0, 0x0)
    /usr/local/go/src/os/file.go:95 +0x8a
bytes.(*Buffer).ReadFrom(0xc8200d0150, 0x7f87da013298, 0xc82003a0f8, 0x0, 0x0, 0x0)
    /usr/local/go/src/bytes/buffer.go:173 +0x23f
io.copyBuffer(0x7f87da014120, 0xc8200d0150, 0x7f87da013298, 0xc82003a0f8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/io/io.go:375 +0x180
io.Copy(0x7f87da014120, 0xc8200d0150, 0x7f87da013298, 0xc82003a0f8, 0x0, 0x0, 0x0)
    /usr/local/go/src/io/io.go:351 +0x64
os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0)
    /usr/local/go/src/os/exec/exec.go:232 +0x8b
os/exec.(*Cmd).Start.func1(0xc820aee280, 0xc8205674a0)
    /usr/local/go/src/os/exec/exec.go:340 +0x1d
created by os/exec.(*Cmd).Start
    /usr/local/go/src/os/exec/exec.go:341 +0x96d

goroutine 24575 [runnable]:
reflect.Value.Field(0xf7b6c0, 0xc820345570, 0x59, 0x5, 0x0, 0x0, 0x7f87da0130a8)
    /usr/local/go/src/reflect/value.go:737
encoding/binary.(*encoder).value(0xc8205bf9a0, 0xf7b6c0, 0xc820345570, 0x59)
    /usr/local/go/src/encoding/binary/binary.go:517 +0x9e5
encoding/binary.Write(0x7f87da014120, 0xc820287968, 0x7f87d307a138, 0x1795760, 0xf7b6c0, 0xc820345570, 0x0, 0x0)
    /usr/local/go/src/encoding/binary/binary.go:316 +0x1792
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*conn).writeRecord(0xc820287950, 0xc80001fc05, 0xc8205bfb10, 0xb, 0x20, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm_fcgi.go:153 +0x21b
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*conn).Request(0xc820287950, 0xc820186ab0, 0xc8205bfc38, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm_fcgi.go:318 +0x253
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).gatherFcgi(0xc8200da180, 0xc820287950, 0xc820174e58, 0xa, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:152 +0x263
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).gatherServer(0xc8200da180, 0xc820174e41, 0x21, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:139 +0x6f5
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820174e41, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:89 +0x7b
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33691 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820186061, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:87
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33695 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc8201866f1, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:87
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33693 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc8201860c1, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:87
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33696 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*conn).writePairs(0xc820c49320, 0x7f0000010004, 0xc820a7c5a0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm_fcgi.go:179 +0x716
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*conn).Request(0xc820c49320, 0xc820a7c5a0, 0xc820a93c38, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm_fcgi.go:312 +0x194
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).gatherFcgi(0xc8200da180, 0xc820c49320, 0xc820186738, 0xa, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:152 +0x263
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).gatherServer(0xc8200da180, 0xc820186721, 0x21, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:139 +0x6f5
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820186721, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:89 +0x7b
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33589 [select]:
net/http.(*Transport).getConn(0x1751640, 0xc8200a62a0, 0x0, 0xc82093c450, 0x4, 0xc8201b8000, 0x16, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/http/transport.go:554 +0x663
net/http.(*Transport).RoundTrip(0x1751640, 0xc8200a62a0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/http/transport.go:228 +0x4ac
net/http.send(0xc8200a62a0, 0x7f87da0134d8, 0x1751640, 0xc82093ca50, 0x0, 0x0)
    /usr/local/go/src/net/http/client.go:220 +0x52c
net/http.(*Client).send(0x176dee0, 0xc8200a62a0, 0x2d, 0x0, 0x0)
    /usr/local/go/src/net/http/client.go:143 +0x15a
net/http.(*Client).doFollowingRedirects(0x176dee0, 0xc8200a62a0, 0x12534f0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/http/client.go:380 +0xbc0
net/http.(*Client).Get(0x176dee0, 0xc82093c450, 0x2d, 0xffffffffffffffff, 0x0, 0x0)
    /usr/local/go/src/net/http/client.go:306 +0xaa
github.com/influxdata/telegraf/plugins/inputs/apache.(*Apache).gatherUrl(0xc8200da100, 0xc820288000, 0x7f87d393ba40, 0xc820bfa000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/apache/apache.go:64 +0x79
github.com/influxdata/telegraf/plugins/inputs/apache.(*Apache).Gather.func1(0xc820aca000, 0xc820aca010, 0xc8200da100, 0x7f87d393ba40, 0xc820bfa000, 0xc820288000)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/apache/apache.go:48 +0x6a
created by github.com/influxdata/telegraf/plugins/inputs/apache.(*Apache).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/apache/apache.go:49 +0x34c

goroutine 33644 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/system.(*NetIOStats).Gather(0xc82012a1e0, 0x7f87d393ba40, 0xc8209323c0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/system/net.go:95 +0x793
github.com/influxdata/telegraf/agent.(*Agent).gatherParallel.func1(0xc820aea040, 0xc820154480, 0xc8201c4038, 0x0, 0xc82012a240)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:137 +0x432
created by github.com/influxdata/telegraf/agent.(*Agent).gatherParallel
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:141 +0x442

goroutine 33687 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820174fc1, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:87
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33645 [syscall]:
syscall.Syscall6(0x3d, 0x296f, 0xc820b753bc, 0x0, 0xc820c49200, 0x0, 0x0, 0xc820b75390, 0xc820b75398, 0xc820b75388)
    /usr/local/go/src/syscall/asm_linux_amd64.s:44 +0x5
syscall.wait4(0x296f, 0xc820b753bc, 0x0, 0xc820c49200, 0x90, 0x0, 0x0)
    /usr/local/go/src/syscall/zsyscall_linux_amd64.go:172 +0x72
syscall.Wait4(0x296f, 0xc820b75404, 0x0, 0xc820c49200, 0xc82003a148, 0x0, 0x0)
    /usr/local/go/src/syscall/syscall_linux.go:256 +0x55
os.(*Process).wait(0xc820aa0460, 0x15, 0x0, 0x0)
    /usr/local/go/src/os/exec_unix.go:22 +0x105
os.(*Process).Wait(0xc820aa0460, 0x0, 0x0, 0x0)
    /usr/local/go/src/os/doc.go:45 +0x2d
os/exec.(*Cmd).Wait(0xc820aee280, 0x0, 0x0)
    /usr/local/go/src/os/exec/exec.go:380 +0x211
os/exec.(*Cmd).Run(0xc820aee280, 0x0, 0x0)
    /usr/local/go/src/os/exec/exec.go:258 +0x64
os/exec.(*Cmd).Output(0xc820aee280, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/os/exec/exec.go:408 +0x1a1
github.com/shirou/gopsutil/internal/common.Invoke.Command(0xc820aea240, 0xd, 0xc8200d00e0, 0x7, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/shirou/gopsutil/internal/common/common.go:31 +0x7b
github.com/shirou/gopsutil/internal/common.(*Invoke).Command(0x1795760, 0xc820aea240, 0xd, 0xc8200d00e0, 0x7, 0x7, 0x0, 0x0, 0x0, 0x0, ...)
    <autogenerated>:1 +0xee
github.com/shirou/gopsutil/internal/common.CallLsof(0x7f87da014170, 0x1795760, 0x0, 0xc82018ac40, 0x4, 0x4, 0x0, 0x0, 0x0, 0x0, ...)
    /home/ubuntu/telegraf-build/src/github.com/shirou/gopsutil/internal/common/common_unix.go:23 +0x342
github.com/shirou/gopsutil/net.NetConnectionsPid(0x1045f70, 0x3, 0xc800000000, 0x0, 0x0, 0x0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/shirou/gopsutil/net/net_unix.go:50 +0x2ab
github.com/shirou/gopsutil/net.NetConnections(0x1045f70, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/shirou/gopsutil/net/net_unix.go:13 +0x50
github.com/influxdata/telegraf/plugins/inputs/system.(*systemPS).NetConnections(0x1795760, 0x0, 0x0, 0x0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/system/ps.go:112 +0x49
github.com/influxdata/telegraf/plugins/inputs/system.(*NetStats).Gather(0xc8201ae140, 0x7f87d393ba40, 0xc82018ac00, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/system/netstat.go:26 +0x76
github.com/influxdata/telegraf/agent.(*Agent).gatherParallel.func1(0xc820aea040, 0xc820154480, 0xc8201c4038, 0x0, 0xc82012a540)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:137 +0x432
created by github.com/influxdata/telegraf/agent.(*Agent).gatherParallel
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:141 +0x442

goroutine 33682 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820174ed1, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:87
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33688 [runnable]:
net.runtime_pollWait(0x7f87da019d18, 0x72, 0xc8200101d0)
    /usr/local/go/src/runtime/netpoll.go:157 +0x60
net.(*pollDesc).Wait(0xc820205a30, 0x72, 0x0, 0x0)
    /usr/local/go/src/net/fd_poll_runtime.go:73 +0x3a
net.(*pollDesc).WaitRead(0xc820205a30, 0x0, 0x0)
    /usr/local/go/src/net/fd_poll_runtime.go:78 +0x36
net.(*netFD).Read(0xc8202059d0, 0xc820bf3580, 0x8, 0x8, 0x0, 0x7f87da00f050, 0xc8200101d0)
    /usr/local/go/src/net/fd_unix.go:232 +0x23a
net.(*conn).Read(0xc8208b80f8, 0xc820bf3580, 0x8, 0x8, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/net.go:172 +0xe4
io.ReadAtLeast(0x7f87d307a1e0, 0xc8208b80f8, 0xc820bf3580, 0x8, 0x8, 0x8, 0x0, 0x0, 0x0)
    /usr/local/go/src/io/io.go:298 +0xe6
io.ReadFull(0x7f87d307a1e0, 0xc8208b80f8, 0xc820bf3580, 0x8, 0x8, 0x8, 0x0, 0x0)
    /usr/local/go/src/io/io.go:316 +0x62
encoding/binary.Read(0x7f87d307a1e0, 0xc8208b80f8, 0x7f87d307a138, 0x1795760, 0xe82760, 0xc820820000, 0x0, 0x0)
    /usr/local/go/src/encoding/binary/binary.go:216 +0x1336
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*record).read(0xc820820000, 0x7f87d307a1e0, 0xc8208b80f8, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm_fcgi.go:130 +0xdd
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*conn).Request(0xc820973dd0, 0xc82026fbc0, 0xc820903c38, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm_fcgi.go:329 +0x32b
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).gatherFcgi(0xc8200da180, 0xc820973dd0, 0xc820175008, 0xa, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:152 +0x263
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).gatherServer(0xc8200da180, 0xc820174ff1, 0x21, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:139 +0x6f5
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820174ff1, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:89 +0x7b
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33684 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820174f31, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:87
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33643 [runnable]:
net.runtime_pollWait(0x7f87da019598, 0x77, 0xc820a1a3c0)
    /usr/local/go/src/runtime/netpoll.go:157 +0x60
net.(*pollDesc).Wait(0xc82052e760, 0x77, 0x0, 0x0)
    /usr/local/go/src/net/fd_poll_runtime.go:73 +0x3a
net.(*pollDesc).WaitWrite(0xc82052e760, 0x0, 0x0)
    /usr/local/go/src/net/fd_poll_runtime.go:82 +0x36
net.(*netFD).connect(0xc82052e700, 0x0, 0x0, 0x7f87da019330, 0xc820ae6800, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/fd_unix.go:114 +0x1f6
net.(*netFD).dial(0xc82052e700, 0x7f87da01a4c8, 0x0, 0x7f87da01a4c8, 0xc820a50390, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/sock_posix.go:137 +0x351
net.socket(0xc8200e1455, 0x3, 0x2, 0x1, 0x0, 0xc820a50300, 0x7f87da01a4c8, 0x0, 0x7f87da01a4c8, 0xc820a50390, ...)
    /usr/local/go/src/net/sock_posix.go:89 +0x411
net.internetSocket(0xc8200e1455, 0x3, 0x7f87da01a4c8, 0x0, 0x7f87da01a4c8, 0xc820a50390, 0x0, 0xc800000000, 0x0, 0x1, ...)
    /usr/local/go/src/net/ipsock_posix.go:160 +0x141
net.dialTCP(0xc8200e1455, 0x3, 0x0, 0xc820a50390, 0x0, 0xc800000000, 0x0, 0xc820a1a3b0, 0x0, 0x0)
    /usr/local/go/src/net/tcpsock_posix.go:171 +0x11e
net.dialSingle(0xc820c4a100, 0x7f87da01a438, 0xc820a50390, 0x0, 0x7fff00000000, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/dial.go:364 +0x3f5
net.dialSerial.func1(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/dial.go:336 +0x75
net.dial(0xc8200e1455, 0x3, 0x7f87da01a438, 0xc820a50390, 0xc82021b4f0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
    /usr/local/go/src/net/fd_unix.go:40 +0x60
net.dialSerial(0xc820c4a100, 0xc820a1a3b0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/dial.go:338 +0x760
net.(*Dialer).Dial(0xc82021b868, 0xc8200e1455, 0x3, 0xc8200e1459, 0xe, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/dial.go:232 +0x50f
github.com/go-sql-driver/mysql.MySQLDriver.Open(0xc8200e1441, 0x28, 0x0, 0x0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/go-sql-driver/mysql/driver.go:68 +0x99c
github.com/go-sql-driver/mysql.(*MySQLDriver).Open(0x1795760, 0xc8200e1441, 0x28, 0x0, 0x0, 0x0, 0x0)
    <autogenerated>:6 +0xb9
database/sql.(*DB).conn(0xc8206186e0, 0xc820272a01, 0xc820272a90, 0x0, 0x0)
    /usr/local/go/src/database/sql/sql.go:710 +0x451
database/sql.(*DB).query(0xc8206186e0, 0x1132d60, 0x1e, 0x0, 0x0, 0x0, 0xc820272b01, 0xc820272b70, 0x0, 0x0)
    /usr/local/go/src/database/sql/sql.go:959 +0x46
database/sql.(*DB).Query(0xc8206186e0, 0x1132d60, 0x1e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/database/sql/sql.go:947 +0xa3
github.com/influxdata/telegraf/plugins/inputs/mysql.(*Mysql).gatherServer(0xc82000fa60, 0xc8200e1441, 0x28, 0x7f87d393ba40, 0xc820603700, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/mysql/mysql.go:132 +0x20e
github.com/influxdata/telegraf/plugins/inputs/mysql.(*Mysql).Gather(0xc82000fa60, 0x7f87d393ba40, 0xc820603700, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/mysql/mysql.go:48 +0x12f
github.com/influxdata/telegraf/agent.(*Agent).gatherParallel.func1(0xc820aea040, 0xc820154480, 0xc8201c4038, 0x0, 0xc8200e1620)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:137 +0x432
created by github.com/influxdata/telegraf/agent.(*Agent).gatherParallel
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:141 +0x442

goroutine 33689 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820186001, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:87
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33683 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820174f01, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:87
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33638 [runnable]:
syscall.Syscall6(0x37, 0xe, 0x1, 0x4, 0xc820218f4c, 0xc820218f48, 0x0, 0x0, 0x4, 0x0)
    /usr/local/go/src/syscall/asm_linux_amd64.s:44 +0x5
syscall.getsockopt(0xe, 0x1, 0x4, 0xc820218f4c, 0xc820218f48, 0x0, 0x0)
    /usr/local/go/src/syscall/zsyscall_linux_amd64.go:1645 +0x73
syscall.GetsockoptInt(0xe, 0x1, 0x4, 0x0, 0x0, 0x0)
    /usr/local/go/src/syscall/syscall_unix.go:237 +0x67
net.(*netFD).connect(0xc82039a620, 0x0, 0x0, 0x7f87da019330, 0xc820625600, 0xece71d1fe, 0xf6df243, 0x176ea00, 0x0, 0x0)
    /usr/local/go/src/net/fd_unix.go:117 +0x262
net.(*netFD).dial(0xc82039a620, 0x7f87da01a4c8, 0x0, 0x7f87da01a4c8, 0xc820a7c030, 0xece71d1fe, 0xf6df243, 0x176ea00, 0x0, 0x0)
    /usr/local/go/src/net/sock_posix.go:137 +0x351
net.socket(0x104c950, 0x3, 0x2, 0x1, 0x0, 0xc820a7c000, 0x7f87da01a4c8, 0x0, 0x7f87da01a4c8, 0xc820a7c030, ...)
    /usr/local/go/src/net/sock_posix.go:89 +0x411
net.internetSocket(0x104c950, 0x3, 0x7f87da01a4c8, 0x0, 0x7f87da01a4c8, 0xc820a7c030, 0xece71d1fe, 0xc80f6df243, 0x176ea00, 0x1, ...)
    /usr/local/go/src/net/ipsock_posix.go:160 +0x141
net.dialTCP(0x104c950, 0x3, 0x0, 0xc820a7c030, 0xece71d1fe, 0xc80f6df243, 0x176ea00, 0x1, 0x0, 0x0)
    /usr/local/go/src/net/tcpsock_posix.go:171 +0x11e
net.dialSingle(0xc820318800, 0x7f87da01a438, 0xc820a7c030, 0xece71d1fe, 0x7fff0f6df243, 0x176ea00, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/dial.go:364 +0x3f5
net.dialSerial.func1(0xece71d1fe, 0xf6df243, 0x176ea00, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/dial.go:336 +0x75
net.dial(0x104c950, 0x3, 0x7f87da01a438, 0xc820a7c030, 0xc820219790, 0xece71d1fe, 0xf6df243, 0x176ea00, 0x0, 0x0, ...)
    /usr/local/go/src/net/fd_unix.go:40 +0x60
net.dialSerial(0xc820318800, 0xc820c45330, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/dial.go:338 +0x760
net.(*Dialer).Dial(0xc820219a08, 0x104c950, 0x3, 0xc8200da0e1, 0xf, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/dial.go:232 +0x50f
net.DialTimeout(0x104c950, 0x3, 0xc8200da0e1, 0xf, 0x12a05f200, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/dial.go:193 +0xa2
github.com/influxdata/telegraf/plugins/inputs/memcached.(*Memcached).gatherServer(0xc820186cf0, 0xc8200da0e1, 0xf, 0x0, 0x7f87d393ba40, 0xc820a58b80, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/memcached/memcached.go:109 +0xdb1
github.com/influxdata/telegraf/plugins/inputs/memcached.(*Memcached).Gather(0xc820186cf0, 0x7f87d393ba40, 0xc820a58b80, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/memcached/memcached.go:77 +0x158
github.com/influxdata/telegraf/agent.(*Agent).gatherParallel.func1(0xc820aea040, 0xc820154480, 0xc8201c4038, 0x0, 0xc820186d50)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:137 +0x432
created by github.com/influxdata/telegraf/agent.(*Agent).gatherParallel
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:141 +0x442

goroutine 33685 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820174f61, 0x21)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:87
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33640 [runnable]:
github.com/influxdata/telegraf/agent.(*accumulator).AddFields(0xc8202225c0, 0x10473e0, 0x4, 0xc820a50b40, 0xc820a50b10, 0x0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/accumulator.go:115 +0x1255
github.com/influxdata/telegraf/plugins/inputs/system.(*DiskStats).Gather(0xc820394060, 0x7f87d393ba40, 0xc8202225c0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/system/disk.go:73 +0x974
github.com/influxdata/telegraf/agent.(*Agent).gatherParallel.func1(0xc820aea040, 0xc820154480, 0xc8201c4038, 0x0, 0xc820187440)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:137 +0x432
created by github.com/influxdata/telegraf/agent.(*Agent).gatherParallel
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:141 +0x442

goroutine 24571 [runnable]:
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*conn).writePairs(0xc820286a20, 0x7f0000010004, 0xc8201869f0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm_fcgi.go:179 +0x716
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*conn).Request(0xc820286a20, 0xc8201869f0, 0xc820937c38, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm_fcgi.go:312 +0x194
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).gatherFcgi(0xc8200da180, 0xc820286a20, 0xc820174d97, 0xa, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:152 +0x263
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).gatherServer(0xc8200da180, 0xc820174d81, 0x20, 0x7f87d393ba40, 0xc820188000, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:139 +0x6f5
github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather.func1(0xc820376000, 0xc820376010, 0xc8200da180, 0x7f87d393ba40, 0xc820188000, 0xc820174d81, 0x20)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:89 +0x7b
created by github.com/influxdata/telegraf/plugins/inputs/phpfpm.(*phpfpm).Gather
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/phpfpm/phpfpm.go:90 +0x1d1

goroutine 33639 [runnable]:
github.com/shirou/gopsutil/internal/common.ReadLinesOffsetN(0xc820b1a010, 0xa, 0xe, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/shirou/gopsutil/internal/common/common.go:89 +0x460
github.com/shirou/gopsutil/cpu.CPUTimes(0x1, 0x0, 0x0, 0x0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/shirou/gopsutil/cpu/cpu_linux.go:34 +0x135
github.com/influxdata/telegraf/plugins/inputs/system.(*systemPS).CPUTimes(0x1795760, 0x7f87d3070101, 0x0, 0x0, 0x0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/system/ps.go:38 +0x82
github.com/influxdata/telegraf/plugins/inputs/system.(*CPUStats).Gather(0xc8201870e0, 0x7f87d393ba40, 0xc82042e0c0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/system/cpu.go:44 +0x88
github.com/influxdata/telegraf/agent.(*Agent).gatherParallel.func1(0xc820aea040, 0xc820154480, 0xc8201c4038, 0x0, 0xc820187140)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:137 +0x432
created by github.com/influxdata/telegraf/agent.(*Agent).gatherParallel
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:141 +0x442

goroutine 33653 [chan receive]:
database/sql.(*DB).connectionOpener(0xc8206186e0)
    /usr/local/go/src/database/sql/sql.go:634 +0x45
created by database/sql.Open
    /usr/local/go/src/database/sql/sql.go:481 +0x336

goroutine 33652 [IO wait]:
net.runtime_pollWait(0x7f87da0194d8, 0x77, 0xc820a1a390)
    /usr/local/go/src/runtime/netpoll.go:157 +0x60
net.(*pollDesc).Wait(0xc82052e530, 0x77, 0x0, 0x0)
    /usr/local/go/src/net/fd_poll_runtime.go:73 +0x3a
net.(*pollDesc).WaitWrite(0xc82052e530, 0x0, 0x0)
    /usr/local/go/src/net/fd_poll_runtime.go:82 +0x36
net.(*netFD).connect(0xc82052e4d0, 0x0, 0x0, 0x7f87da019330, 0xc820ae67e0, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/fd_unix.go:114 +0x1f6
net.(*netFD).dial(0xc82052e4d0, 0x7f87da01a4c8, 0x0, 0x7f87da01a4c8, 0xc820a50300, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/sock_posix.go:137 +0x351
net.socket(0x104c950, 0x3, 0x2, 0x1, 0x0, 0xc820a50300, 0x7f87da01a4c8, 0x0, 0x7f87da01a4c8, 0xc820a50300, ...)
    /usr/local/go/src/net/sock_posix.go:89 +0x411
net.internetSocket(0x104c950, 0x3, 0x7f87da01a4c8, 0x0, 0x7f87da01a4c8, 0xc820a50300, 0x0, 0xc800000000, 0x0, 0x1, ...)
    /usr/local/go/src/net/ipsock_posix.go:160 +0x141
net.dialTCP(0x104c950, 0x3, 0x0, 0xc820a50300, 0x0, 0xc800000000, 0x0, 0x1, 0x0, 0x0)
    /usr/local/go/src/net/tcpsock_posix.go:171 +0x11e
net.dialSingle(0xc820c4a080, 0x7f87da01a438, 0xc820a50300, 0x0, 0x7fff00000000, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/dial.go:364 +0x3f5
net.dialSerial.func1(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/dial.go:336 +0x75
net.dial(0x104c950, 0x3, 0x7f87da01a438, 0xc820a50300, 0xc8203876a0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
    /usr/local/go/src/net/fd_unix.go:40 +0x60
net.dialSerial(0xc820c4a080, 0xc820a1a380, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/dial.go:338 +0x760
net.(*Dialer).Dial(0xc820387918, 0x104c950, 0x3, 0xc8201b8000, 0x16, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/dial.go:232 +0x50f
net.Dial(0x104c950, 0x3, 0xc8201b8000, 0x16, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/dial.go:186 +0x95
net/http.(*Transport).dial(0x1751640, 0x104c950, 0x3, 0xc8201b8000, 0x16, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/http/transport.go:501 +0xc4
net/http.(*Transport).dialConn(0x1751640, 0x0, 0xc82093c450, 0x4, 0xc8201b8000, 0x16, 0xc820174f91, 0x0, 0x0)
    /usr/local/go/src/net/http/transport.go:596 +0x19a9
net/http.(*Transport).getConn.func4(0x1751640, 0x0, 0xc82093c450, 0x4, 0xc8201b8000, 0x16, 0xc82043a060)
    /usr/local/go/src/net/http/transport.go:549 +0x66
created by net/http.(*Transport).getConn
    /usr/local/go/src/net/http/transport.go:551 +0x265

goroutine 33675 [syscall]:
syscall.Syscall(0x0, 0x7, 0xc820176800, 0x200, 0x0, 0x487, 0x412749)
    /usr/local/go/src/syscall/asm_linux_amd64.s:18 +0x5
syscall.read(0x7, 0xc820176800, 0x200, 0x200, 0x0, 0x0, 0x0)
    /usr/local/go/src/syscall/zsyscall_linux_amd64.go:783 +0x5f
syscall.Read(0x7, 0xc820176800, 0x200, 0x200, 0xc82098e4e8, 0x0, 0x0)
    /usr/local/go/src/syscall/syscall_unix.go:160 +0x4d
os.(*File).read(0xc82003a0f0, 0xc820176800, 0x200, 0x200, 0xc820176800, 0x0, 0x0)
    /usr/local/go/src/os/file_unix.go:211 +0x53
os.(*File).Read(0xc82003a0f0, 0xc820176800, 0x200, 0x200, 0x1, 0x0, 0x0)
    /usr/local/go/src/os/file.go:95 +0x8a
bytes.(*Buffer).ReadFrom(0xc8200d0070, 0x7f87da013298, 0xc82003a0f0, 0x0, 0x0, 0x0)
    /usr/local/go/src/bytes/buffer.go:173 +0x23f
io.copyBuffer(0x7f87da014120, 0xc8200d0070, 0x7f87da013298, 0xc82003a0f0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/io/io.go:375 +0x180
io.Copy(0x7f87da014120, 0xc8200d0070, 0x7f87da013298, 0xc82003a0f0, 0x0, 0x0, 0x0)
    /usr/local/go/src/io/io.go:351 +0x64
os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0)
    /usr/local/go/src/os/exec/exec.go:232 +0x8b
os/exec.(*Cmd).Start.func1(0xc820aee140, 0xc820567260)
    /usr/local/go/src/os/exec/exec.go:340 +0x1d
created by os/exec.(*Cmd).Start
    /usr/local/go/src/os/exec/exec.go:341 +0x96d

goroutine 33647 [syscall]:
syscall.Syscall6(0x3d, 0x296d, 0xc820b177ac, 0x0, 0xc8204345a0, 0x0, 0x0, 0xc820b17780, 0xc820b17788, 0xc820b17778)
    /usr/local/go/src/syscall/asm_linux_amd64.s:44 +0x5
syscall.wait4(0x296d, 0xc820b177ac, 0x0, 0xc8204345a0, 0x90, 0x0, 0x0)
    /usr/local/go/src/syscall/zsyscall_linux_amd64.go:172 +0x72
syscall.Wait4(0x296d, 0xc820b177f4, 0x0, 0xc8204345a0, 0xc82003a190, 0x0, 0x0)
    /usr/local/go/src/syscall/syscall_linux.go:256 +0x55
os.(*Process).wait(0xc820418240, 0x15, 0x0, 0x0)
    /usr/local/go/src/os/exec_unix.go:22 +0x105
os.(*Process).Wait(0xc820418240, 0x0, 0x0, 0x0)
    /usr/local/go/src/os/doc.go:45 +0x2d
os/exec.(*Cmd).Wait(0xc820aee140, 0x0, 0x0)
    /usr/local/go/src/os/exec/exec.go:380 +0x211
os/exec.(*Cmd).Run(0xc820aee140, 0x0, 0x0)
    /usr/local/go/src/os/exec/exec.go:258 +0x64
os/exec.(*Cmd).Output(0xc820aee140, 0x0, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/os/exec/exec.go:408 +0x1a1
github.com/shirou/gopsutil/host.getLSB(0x0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/shirou/gopsutil/host/host_linux.go:166 +0x56a
github.com/shirou/gopsutil/host.GetPlatformInformation(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/shirou/gopsutil/host/host_linux.go:194 +0x86
github.com/shirou/gopsutil/host.HostInfo(0xc8205671c0, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/shirou/gopsutil/host/host_linux.go:42 +0xd2
github.com/influxdata/telegraf/plugins/inputs/system.(*SystemStats).Gather(0x1795760, 0x7f87d393ba40, 0xc82018aa80, 0x0, 0x0)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/plugins/inputs/system/system.go:29 +0x76
github.com/influxdata/telegraf/agent.(*Agent).gatherParallel.func1(0xc820aea040, 0xc820154480, 0xc8201c4038, 0x0, 0xc820015410)
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:137 +0x432
created by github.com/influxdata/telegraf/agent.(*Agent).gatherParallel
    /home/ubuntu/telegraf-build/src/github.com/influxdata/telegraf/agent/agent.go:141 +0x442
```

config:

```
[[inputs.apache]]
        urls = ["http://shiseido1.odiso.net/server-status?auto"]

[[inputs.phpfpm]]
    urls = [
        "/var/run/default.sock:fpm-status",
        "/var/run/site1530.sock:fpm-status",
        "/var/run/site1559.sock:fpm-status",
        "/var/run/site1719.sock:fpm-status",
        "/var/run/site1741.sock:fpm-status",
        "/var/run/site1793.sock:fpm-status",
        "/var/run/site1826.sock:fpm-status",
        "/var/run/site1827.sock:fpm-status",
        "/var/run/site1828.sock:fpm-status",
        "/var/run/site1829.sock:fpm-status",
        "/var/run/site1830.sock:fpm-status",
        "/var/run/site1831.sock:fpm-status",
        "/var/run/site1832.sock:fpm-status",
        "/var/run/site1833.sock:fpm-status",
        "/var/run/site1424.sock:fpm-status",
        "/var/run/site2048.sock:fpm-status",
        "/var/run/site2049.sock:fpm-status",
        "/var/run/site2122.sock:fpm-status",
        "/var/run/site2298.sock:fpm-status",
        "/var/run/site2306.sock:fpm-status",
        "/var/run/site2307.sock:fpm-status",
        "/var/run/site2308.sock:fpm-status",
    ]

[[inputs.memcached]]
        servers = ["localhost:11211"]
[[inputs.cpu]]
        percpu = true
        totalcpu = true
        drop = ["time_*"]
[[inputs.disk]]
#       mount_points=["/"]
[[inputs.diskio]]
#       devices = ["sda", "sdb"]
[[inputs.mem]]
[[inputs.mysql]]
    servers = ["login:password@tcp(127.0.0.1:3306)/"]
[[inputs.net]]
#       interfaces = ["eth0", ... ]
[[inputs.netstat]]
[[inputs.swap]]
[[inputs.system]]


```


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[0.10.4.1] : panic: runtime error: invalid memory address or nil pointer dereference #816

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