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Add tap.cpuprofile flag. Change memprofile flag to tap.memprofile

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This commit is contained in:
Nimrod Gilboa Markevich 2022-05-15 13:52:44 +03:00
parent 8f30c9a1c7
commit f6f06b4b27
5 changed files with 18 additions and 1 deletions
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1
agent/go.mod
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@ -100,6 +100,7 @@ require (
github.com/peterbourgon/diskv v2.0.1+incompatible // indirect
github.com/pierrec/lz4 v2.6.1+incompatible // indirect
github.com/pkg/errors v0.9.1 // indirect
github.com/pkg/profile v1.6.0 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/russross/blackfriday v1.6.0 // indirect
github.com/santhosh-tekuri/jsonschema/v5 v5.0.0 // indirect

2
agent/go.sum
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@ -576,6 +576,8 @@ github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pkg/profile v1.6.0 h1:hUDfIISABYI59DyeB3OTay/HxSRwTQ8rB/H83k6r5dM=
github.com/pkg/profile v1.6.0/go.mod h1:qBsxPvzyUincmltOk6iyRVxHYg4adc0OFOv72ZdLa18=
github.com/pkg/sftp v1.10.1/go.mod h1:lYOWFsE0bwd1+KfKJaKeuokY15vzFx25BLbzYYoAxZI=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=

1
tap/go.mod
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@ -25,6 +25,7 @@ require (
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
github.com/modern-go/reflect2 v1.0.2 // indirect
github.com/op/go-logging v0.0.0-20160315200505-970db520ece7 // indirect
github.com/pkg/profile v1.6.0 // indirect
github.com/struCoder/pidusage v0.2.1 // indirect
github.com/tklauser/go-sysconf v0.3.10 // indirect
github.com/tklauser/numcpus v0.4.0 // indirect

2
tap/go.sum
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@ -114,6 +114,8 @@ github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1y
github.com/op/go-logging v0.0.0-20160315200505-970db520ece7 h1:lDH9UUVJtmYCjyT0CI4q8xvlXPxeZ0gYCVvWbmPlp88=
github.com/op/go-logging v0.0.0-20160315200505-970db520ece7/go.mod h1:HzydrMdWErDVzsI23lYNej1Htcns9BCg93Dk0bBINWk=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pkg/profile v1.6.0 h1:hUDfIISABYI59DyeB3OTay/HxSRwTQ8rB/H83k6r5dM=
github.com/pkg/profile v1.6.0/go.mod h1:qBsxPvzyUincmltOk6iyRVxHYg4adc0OFOv72ZdLa18=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=

13
tap/passive_tapper.go
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@ -17,6 +17,7 @@ import (
"strings"
"time"
"github.com/pkg/profile"
"github.com/shirou/gopsutil/cpu"
"github.com/struCoder/pidusage"
"github.com/up9inc/mizu/logger"
@ -54,7 +55,8 @@ var staleTimeoutSeconds = flag.Int("staletimout", 120, "Max time in seconds to k
var servicemesh = flag.Bool("servicemesh", false, "Record decrypted traffic if the cluster is configured with a service mesh and with mtls")
var tls = flag.Bool("tls", false, "Enable TLS tapper")
var memprofile = flag.String("memprofile", "", "Write memory profile")
var cpuprofile = flag.String("tap.cpuprofile", "", "Write cpu profile") // cpuprofile flag clashes with one of the dependencies
var memprofile = flag.String("tap.memprofile", "", "Write memory profile")
type TapOpts struct {
HostMode bool
@ -68,6 +70,15 @@ var mainPacketInputChan chan source.TcpPacketInfo // global
var tlsTapperInstance *tlstapper.TlsTapper // global
func StartPassiveTapper(opts *TapOpts, outputItems chan *api.OutputChannelItem, extensionsRef []*api.Extension, options *api.TrafficFilteringOptions) {
if *cpuprofile != "" {
p := profile.Start(profile.CPUProfile, profile.ProfilePath(*cpuprofile), profile.NoShutdownHook)
go func() {
<-time.After(time.Second * 90)
p.Stop()
logger.Log.Info("Stopped CPU profiling")
}()
}
extensions = extensionsRef
filteringOptions = options