clean up and refactor prj structure for improved readability

README.md

@@ -78,6 +78,12 @@ grep "pattern" file.txt  # Automatically captures coverage
 ./run_unit_tests.sh
 ```
 
+Pre-captured coverage logs are available in `tests/sample_data/` to develop or test report generation without needing a live eBPF environment:
+
+```bash
+./funkoverage report tests/sample_data/ /tmp/report/
+```
+
 ## 📎 Technical Details
 
 - **eBPF Uprobes**: Uses kernel uprobes to trigger events on function entry.

cmd/funkoverage.go

@@ -10,7 +10,7 @@ import (
 	"strings"
 )
 
-const versionString = "0.7.0"
+const versionString = "0.7.1"
 
 // command is one funkoverage subcommand. run receives the args after the
 // subcommand name (so for "funkoverage install -no-libs foo", run sees

cmd/shim_binary/tracer.go

@@ -131,13 +131,16 @@ func (t *Tracer) Start(rootPID uint32) error {
 	for img, cookies := range t.imgCookies {
 		ex, err := link.OpenExecutable(img)
 		if err != nil {
-			return fmt.Errorf("tracer: open executable %s: %w", img, err)
+			// Some libraries lack the execute bit (packaging bug); skip rather than abort.
+			fmt.Fprintf(os.Stderr, "funkoverage-shim: skipping %s: %v\n", img, err)
+			continue
 		}
 		l, err := ex.UprobeMulti(t.imgSymbols[img], t.objs.TraceUprobe, &link.UprobeMultiOptions{
 			Cookies: cookies,
 		})
 		if err != nil {
-			return fmt.Errorf("tracer: attach uprobes on %s (%d symbols): %w", img, len(cookies), err)
+			fmt.Fprintf(os.Stderr, "funkoverage-shim: skipping uprobes on %s: %v\n", img, err)
+			continue
 		}
 		t.links = append(t.links, l)
 	}

rpm/coverage-tools.spec

@@ -1,7 +1,7 @@
 #
 # spec file for package coverage-tools
 #
-# Copyright (c) 2025 SUSE LLC
+# Copyright (c) 2026 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -14,25 +14,18 @@
 
 # Please submit bugfixes or comments via https://bugs.opensuse.org/
 
-%define bversion 0.8.0
+%define bversion 0.7.1
 %define dname BinaryCoverage-%{bversion}
 Name:           coverage-tools
-Version:        0.7.0
+Version:        0.7.1
 Release:        0
-Summary:        Function-level binary coverage via eBPF (uprobe_multi)
+Summary:        Tools to test binary coverage of different packages
 License:        MIT AND GPL-2.0-only
-URL:            https://github.com/ilmanzo/BinaryCoverage
+URL:            https://github.com/ilmanzo/CodeCoverage
 Source0:        %{dname}.tar.gz
 Source1:        vendor.tar.gz
-
-# Build-time (pre-generated BPF bindings are shipped in the tarball)
 BuildRequires:  go >= 1.26
 ExclusiveArch:  x86_64
-# Only needed to regenerate BPF bindings (REGEN_BPF=1):
-#BuildRequires:  clang
-#BuildRequires:  bpftool
-#BuildRequires:  libbpf-devel
-
 # Runtime: setcap is invoked by `funkoverage install` to grant CAP_BPF /
 # CAP_PERFMON / CAP_DAC_READ_SEARCH to each shim copy. elfutils is used by
 # the DWARF enumeration path for binaries with split debug info.
@@ -51,16 +44,13 @@ every enumerated function (via DWARF or .symtab/.dynsym), records the
 first call of each via a kernel ringbuf, and writes a CALLED log used
 to generate HTML / XML / text coverage reports.
 
-No source code, no recompilation of the target, no Intel Pin.
-
-Requires kernel ≥6.6 (uprobe_multi) and CONFIG_DEBUG_INFO_BTF=y.
 
 %prep
 %autosetup -n %{dname} -a1
 
 %build
 export GOFLAGS="-buildmode=pie -trimpath -mod=vendor"
-mv %{_builddir}/vendor .
+#mv %{_builddir}/vendor .
 go build -ldflags="-s -w" -o funkoverage      ./cmd/
 go build -ldflags="-s -w" -o funkoverage-shim ./cmd/shim_binary/
 
@@ -80,4 +70,4 @@ install -m 0755 funkoverage-shim %{buildroot}%{_libdir}/coverage-tools/funkovera
 %{_bindir}/funkoverage
 %{_libdir}/coverage-tools/
 
-%changelog
+%changelog

tests/sample_data/bzip2_20260515-153311_1778851991096380479_functions.log

@@ -0,0 +1,61 @@
+FUNC /var/coverage/bin/bzip2 mySIGSEGVorSIGBUScatcher
+FUNC /var/coverage/bin/bzip2 copyFileName
+FUNC /var/coverage/bin/bzip2 addFlagsFromEnvVar
+FUNC /var/coverage/bin/bzip2 snocString
+FUNC /var/coverage/bin/bzip2 uncompress
+FUNC /var/coverage/bin/bzip2 compress
+FUNC /var/coverage/bin/bzip2 license
+FUNC /var/coverage/bin/bzip2 testf
+FUNC /var/coverage/bin/bzip2 mySignalCatcher
+FUNC /var/coverage/bin/bzip2 usage
+FUNC /var/coverage/bin/bzip2 redundant
+FUNC /var/coverage/bin/bzip2 copyFileName.cold
+FUNC /var/coverage/bin/bzip2 addFlagsFromEnvVar.cold
+FUNC /var/coverage/bin/bzip2 snocString.cold
+FUNC /var/coverage/bin/bzip2 outOfMemory
+FUNC /var/coverage/bin/bzip2 compressStream
+FUNC /var/coverage/bin/bzip2 panic
+FUNC /var/coverage/bin/bzip2 compress.cold
+FUNC /var/coverage/bin/bzip2 applySavedTimeInfoToOutputFile.constprop.0
+FUNC /var/coverage/bin/bzip2 ioError
+FUNC /var/coverage/bin/bzip2 pad.constprop.0
+FUNC /var/coverage/bin/bzip2 fileExists
+FUNC /var/coverage/bin/bzip2 fopen_output_safely.constprop.0
+FUNC /var/coverage/bin/bzip2 notAStandardFile.constprop.0
+FUNC /var/coverage/bin/bzip2 uncompressStream
+FUNC /var/coverage/bin/bzip2 uncompress.cold
+FUNC /var/coverage/bin/bzip2 myfeof
+FUNC /var/coverage/bin/bzip2 uncompressStream.cold
+FUNC /var/coverage/bin/bzip2 showFileNames
+FUNC /var/coverage/bin/bzip2 cadvise
+FUNC /var/coverage/bin/bzip2 cleanUpAndFail
+FUNC /var/coverage/bin/bzip2 configError
+FUNC /var/coverage/bin/bzip2 applySavedFileAttrToOutputFile
+FUNC /var/coverage/bin/bzip2 myfeof.cold
+FUNC /var/coverage/bin/bzip2 compressStream.cold
+FUNC /var/coverage/bin/bzip2 uInt64_toAscii.isra.0
+FUNC /var/coverage/bin/bzip2 testStream
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzRead
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzWriteOpen
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzCompressEnd
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzBuffToBuffDecompress
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzCompress
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzread
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzCompressInit
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzdopen
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzWriteClose64
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzopen
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzDecompress
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzReadOpen
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzwrite
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzWrite
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzBuffToBuffCompress
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzReadGetUnused
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzlibVersion
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzWriteClose
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzflush
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzDecompressEnd
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzerror
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzDecompressInit
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzclose
+FUNC /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzReadClose

tests/sample_data/bzip2_20260515-153311_1778851991106378333_called.log

@@ -0,0 +1,11 @@
+CALLED /var/coverage/bin/bzip2 copyFileName
+CALLED /var/coverage/bin/bzip2 addFlagsFromEnvVar
+CALLED /var/coverage/bin/bzip2 snocString
+CALLED /var/coverage/bin/bzip2 compress
+CALLED /var/coverage/bin/bzip2 compressStream
+CALLED /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzWriteOpen
+CALLED /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzCompressInit
+CALLED /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzWrite
+CALLED /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzCompress
+CALLED /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzWriteClose64
+CALLED /lib64/glibc-hwcaps/x86-64-v3/libbz2.so.1.0.6 BZ2_bzCompressEnd