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Florian Lehner florianl

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florianl / process_cgroup_test.go
Created February 2, 2026 14:31
package main
import (
"bytes"
"fmt"
"regexp"
"strconv"
"strings"
"testing"
@florianl
florianl / bpf-kallsyms-iterator.patch
Created January 31, 2026 12:52
From 9c3af2c44583e83444bfd19a45e0beaba4f2e8e6 Mon Sep 17 00:00:00 2001
From: Florian Lehner <dev@der-flo.net>
Date: Wed, 28 Jan 2026 20:05:10 +0100
Subject: [PATCH] kallsyms: TBD
TBD
Signed-off-by: Florian Lehner <dev@der-flo.net>
---
include/linux/filter.h | 8 ++++++++
@florianl
florianl / main_test.go
Created November 4, 2025 13:43
package main
import (
"math/rand"
"slices"
"sort"
"testing"
"time"
)
@florianl
florianl / main
Created November 3, 2025 10:35
stats for https://github.com/open-telemetry/opentelemetry-ebpf-profiler/pull/910
$ git s
6dbd97595a390243ec3d79e827527c740ee74c87
## main...origin/main
$ time sudo ./mm-impact /opt/Elastic/Agent/data/elastic-agent-9.2.0-e7bf31/components/agentbeat
Initial numbers
--- Go Runtime Memory Stats (Managed by GC) ---
Total Allocated: 329.11 KB
Heap In Use: 880.00 KB
System Memory (Sys): 6.65 MB
@florianl
florianl / 0001-createNewRequest.patch
Created October 7, 2025 07:29
From 9c4bc84cc73f612182bd831c23fbd375c9db36a8 Mon Sep 17 00:00:00 2001
From: Florian Lehner <florian.lehner@elastic.co>
Date: Tue, 7 Oct 2025 09:28:45 +0200
Subject: [PATCH] createNewRequest
Signed-off-by: Florian Lehner <florian.lehner@elastic.co>
---
config/confighttp/compression.go | 26 +++++++++++++++-----------
1 file changed, 15 insertions(+), 11 deletions(-)
@florianl
florianl / main.go
Created September 30, 2025 07:30
Reproducer to https://github.com/open-telemetry/opentelemetry-ebpf-profiler/issues/835
package main
import (
"log"
"os/exec"
"syscall"
)
func main() {
path, err := exec.LookPath("python3.13")
@florianl
florianl / 0001-benchmark-confighttp-syncPool.patch
Created September 26, 2025 09:49
Benchmark for https://github.com/open-telemetry/opentelemetry-collector/pull/13909
From 39729efd92ad61b13d6b4db1b49f1eb521e5b7ed Mon Sep 17 00:00:00 2001
From: Florian Lehner <florian.lehner@elastic.co>
Date: Fri, 26 Sep 2025 11:47:49 +0200
Subject: [PATCH] benchmark-confighttp-syncPool
Signed-off-by: Florian Lehner <florian.lehner@elastic.co>
---
config/confighttp/compression_test.go | 181 ++++++++++++++++++++++++++
1 file changed, 181 insertions(+)
@florianl
florianl / gist:eabc75b9098998d233a8cb07370ec4e9
Created September 20, 2025 10:22
dump partition table
python3 -c "
import struct
import sys
def parse_partition_table(filename):
with open(filename, 'rb') as f:
data = f.read()
partitions = []
offset = 0
@florianl
florianl / flamegraph.svg
Created July 21, 2025 15:43
flamegraph.svg
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@florianl
florianl / 0001-Support-new-flight-recorder-format.patch
Created June 11, 2025 19:31
gotraceui - flight recorder
From 461be79cb4e3275b54727fff506799c063ae13ed Mon Sep 17 00:00:00 2001
From: Florian Lehner <dev@der-flo.net>
Date: Wed, 11 Jun 2025 21:29:53 +0200
Subject: [PATCH] Support new flight recorder format
Signed-off-by: Florian Lehner <dev@der-flo.net>
---
cmd/gotraceui/goroutine.go | 4 ++--
cmd/gotraceui/span.go | 5 ++---
go.mod | 4 ++--