Add profiling tools (#1087)

* Add gin-contrib/pprof dependency

* Run pprof server on agent with --profiler flag

* Add --profiler flag to cli

* Fix error message

* Print cpu usage percentage

* measure cpu of current pid instead of globaly on the system

* Add scripts to plot performance

* Plot packetsCount in analysis

* Concat to DataFrame

* Plot in turbo colorscheme

* Make COLORMAP const

* Fix rss units

* Reduce code repetition by adding function for plotting

* Allow grouping based on filenames

* Temporary: Marked with comments where to disable code for experiments

* Add newline at end of file

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

* create tapper modes for debugging using env vars

* Fix rss plot units (MB instead of bytes)

* Remove comment

* Add info to plot script

* Remove tap.cpumemprofile. Rename tap.memprofile to memprofile

* Remove unused import

* Remove whitespaces

Co-authored-by: M. Mert Yıldıran <mehmet@up9.com>

* Remove whitespaces

Co-authored-by: M. Mert Yıldıran <mehmet@up9.com>

* Remove whitespaces

Co-authored-by: M. Mert Yıldıran <mehmet@up9.com>

* Remove whitespaces

Co-authored-by: M. Mert Yıldıran <mehmet@up9.com>

* Remove whitespaces

Co-authored-by: M. Mert Yıldıran <mehmet@up9.com>

* Remove whitespaces

Co-authored-by: M. Mert Yıldıran <mehmet@up9.com>

* Rename debug env vars

* Create package for debug env vars, read each env var once

* Run go mod tidy

* Increment MatchedPairs before emitting

* Only count cores once

* Count virtual and physical cores

* Add dbgctl replace in cli

* Fix lint: Check return values

* Add tap/dbgctl to test-lint make rule

* Replace tap/dbgctl in all modules

* #run_acceptance_tests

* Copy dbgctl module to docker image

* Debug/profile tapper benchmark (#1093)

* add mizu debug env to avoid all extensions

* add readme + run_tapper_benchmark.sh

* temporary change branch name

* fix readme

* fix MIZU_BENCHMARK_CLIENTS_COUNT env

* change tap target to tcp stream

* track live tcp streams

* pr fixes

* rename tapperPacketsCount to ignored_packets_count

* change mizu tapper to mizu debugg

Co-authored-by: David Levanon <dvdlevanon@gmail.com>
Co-authored-by: M. Mert Yıldıran <mehmet@up9.com>

tap/api/api.go

@@ -15,6 +15,8 @@ import (
 	"time"
 
 	"github.com/google/martian/har"
+
+	"github.com/up9inc/mizu/tap/dbgctl"
 )
 
 const mizuTestEnvVar = "MIZU_TEST"
@@ -149,8 +151,13 @@ type Emitter interface {
 }
 
 func (e *Emitting) Emit(item *OutputChannelItem) {
-	e.OutputChannel <- item
 	e.AppStats.IncMatchedPairs()
+
+	if dbgctl.MizuTapperDisableEmitting {
+		return
+	}
+
+	e.OutputChannel <- item
 }
 
 type Entry struct {