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File Size

The distribution of size of files (measured in lines of code).

Intro

File size measurements show the distribution of size of files.
Files are classified in four categories based on their size (lines of code): 1-100 (very small files), 101-200 (small files), 201-500 (medium size files), 501-1000 (long files), 1001+(very long files).
It is a good practice to keep files small. Long files may become "bloaters", code that have increased to such gargantuan proportions that they are hard to work with.

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File Size Overall

There are 2,673 files with 506,853 lines of code.

89 very long files (185,873 lines of code)
139 long files (97,059 lines of code)
329 medium size files (104,449 lines of codeclsfd_ftr_w_mp_ins)
423 small files (60,356 lines of code)
1,693 very small files (59,116 lines of code)

Legend:

1001+

501-1000

201-500

101-200

1-100

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File Size per Extension

1001+

501-1000

201-500

101-200

1-100

File Size per Logical Decomposition

primary

1001+

501-1000

201-500

101-200

1-100

Longest Files (Top 50)

File	# lines	# units
libbpf.c in lib/bpf	9229	272
btf.c in testing/selftests/bpf/prog_tests	6489	21
sleepgraph.py in power/pm-graph	6204	209
event-parse.c in lib/traceevent	5701	146
turbostat.c in power/x86/turbostat	4957	158
builtin-trace.c in perf	3919	142
exported-sql-viewer.py in perf/scripts/python	3741	456
builtin-script.c in perf	3440	107
intel-pt-decoder.c in perf/util/intel-pt-decoder	3371	104
ktest.pl in testing/ktest	3361	101
header.c in perf/util	3246	145
btf.c in lib/bpf	3207	133
seccomp_bpf.c in testing/selftests/seccomp	3201	19
intel-pt.c in perf/util	3184	119
probe-event.c in perf/util	3020	86
hists.c in perf/ui/browsers	2972	87
builtin-sched.c in perf	2809	90
parse-events.c in perf/util	2730	82
sort.c in perf/util	2619	123
annotate.c in perf/util	2493	110
isst-config.c in power/x86/intel-speed-select	2465	94
check.c in objtool	2453	71
builtin-c2c.c in perf	2432	59
machine.c in perf/util	2414	96
builtin-record.c in perf	2278	84
evsel.c in perf/util	2273	93
auxtrace.c in perf/util	2232	108
hist.c in perf/util	2226	82
linker.c in lib/bpf	2131	43
session.c in perf/util	2043	105
nolibc.h in include/nolibc	2033	107
builtin-stat.c in perf	2012	77
prog.c in bpf/bpftool	2004	43
cs-etm.c in perf/util	1978	73
symbol.c in perf/util	1964	75
ipsec.c in testing/selftests/net	1907	56
symbol-elf.c in perf/util	1823	70
synthetic-events.c in perf/util	1763	54
nettest.c in testing/selftests/net	1761	53
calls.c in testing/selftests/bpf/verifier	1761	-
latency-collector.c in tracing/latency	1719	83
parse-filter.c in lib/traceevent	1710	29
builtin-timechart.c in perf	1657	33
trace-event-python.c in perf/util/scripting-engines	1648	59
sockmap_listen.c in testing/selftests/bpf/prog_tests	1643	55
builtin-kmem.c in perf	1643	58
btf_dump.c in lib/bpf	1636	52
evlist.c in perf/util	1634	96
probe-finder.c in perf/util	1626	47
builtin-diff.c in perf	1584	57

Files With Most Units (Top 50)

File	# lines	# units
exported-sql-viewer.py in perf/scripts/python	3741	456
libbpf.c in lib/bpf	9229	272
sleepgraph.py in power/pm-graph	6204	209
turbostat.c in power/x86/turbostat	4957	158
event-parse.c in lib/traceevent	5701	146
header.c in perf/util	3246	145
builtin-trace.c in perf	3919	142
btf.c in lib/bpf	3207	133
sort.c in perf/util	2619	123
intel-pt.c in perf/util	3184	119
annotate.c in perf/util	2493	110
auxtrace.c in perf/util	2232	108
nolibc.h in include/nolibc	2033	107
builtin-script.c in perf	3440	107
session.c in perf/util	2043	105
intel-pt-decoder.c in perf/util/intel-pt-decoder	3371	104
ktest.pl in testing/ktest	3361	101
machine.c in perf/util	2414	96
evlist.c in perf/util	1634	96
isst-config.c in power/x86/intel-speed-select	2465	94
evsel.c in perf/util	2273	93
builtin-sched.c in perf	2809	90
kvm_util.c in testing/selftests/kvm/lib	1378	88
hists.c in perf/ui/browsers	2972	87
probe-event.c in perf/util	3020	86
builtin-record.c in perf	2278	84
latency-collector.c in tracing/latency	1719	83
hist.c in perf/util	2226	82
parse-events.c in perf/util	2730	82
builtin-stat.c in perf	2012	77
symbol.c in perf/util	1964	75
cs-etm.c in perf/util	1978	73
check.c in objtool	2453	71
symbol-elf.c in perf/util	1823	70
sched-migration.py in perf/scripts/python	342	64
bpf.c in lib/bpf	965	61
protection_keys.c in testing/selftests/vm	1183	60
builtin-c2c.c in perf	2432	59
dso.c in perf/util	1043	59
trace-event-python.c in perf/util/scripting-engines	1648	59
builtin-kmem.c in perf	1643	58
xdpxceiver.c in testing/selftests/bpf	1117	57
builtin-diff.c in perf	1584	57
x86_energy_perf_policy.c in power/x86/x86_energy_perf_policy	1187	56
ipsec.c in testing/selftests/net	1907	56
pmu.c in perf/util	1497	56
sockmap_listen.c in testing/selftests/bpf/prog_tests	1643	55
synthetic-events.c in perf/util	1763	54
nettest.c in testing/selftests/net	1761	53
btf_dump.c in lib/bpf	1636	52

Files With Long Lines (Top 50)

There are 75 files with lines longer than 120 characters. In total, there are 377 long lines.

File	# lines	# units	# long lines
exported-sql-viewer.py in perf/scripts/python	3741	456	72
intel_pstate_tracer.py in power/x86/intel_pstate_tracer	436	27	29
svghelper.c in perf/util	626	30	28
i915_drm.h in include/uapi/drm	1003	-	27
synthetic-events.h in perf/util	103	1	23
sleepgraph.py in power/pm-graph	6204	209	21
parse-options.h in lib/subcmd	163	-	19
export-to-sqlite.py in perf/scripts/python	645	32	14
export-to-postgresql.py in perf/scripts/python	812	38	11
builtin-trace.c in perf	3919	142	9
align.c in testing/selftests/bpf/prog_tests	505	3	7
btf.c in testing/selftests/bpf/prog_tests	6489	21	7
ptrace_syscall.c in testing/selftests/x86	334	11	6
libbpf.c in lib/bpf	9229	272	5
builtin-sched.c in perf	2809	90	5
builtin-c2c.c in perf	2432	59	4
turbostat.c in power/x86/turbostat	4957	158	3
isst-config.c in power/x86/intel-speed-select	2465	94	3
timerlat_top.c in tracing/rtla/src	467	6	3
init.c in testing/selftests/wireguard/qemu	257	11	3
numa.c in perf/bench	1326	39	3
l parse-events.l in perf/util	354	-	3
builtin-record.c in perf	2278	84	3
bootgraph.py in power/pm-graph	935	29	2
isst-core.c in power/x86/intel-speed-select	841	33	2
setns-sysvipc.c in testing/selftests/proc	91	2	2
rseq-arm.h in testing/selftests/rseq	687	8	2
mptcp_connect.c in testing/selftests/net/mptcp	1079	45	2
btf.h in lib/bpf	354	29	2
hists.c in perf/ui/browsers	2972	87	2
beauty.h in perf/trace/beauty	157	-	2
seccomp.c in perf/trace/beauty	43	2	2
sync_file_range.c in perf/trace/beauty	19	2	2
open_flags.c in perf/trace/beauty	74	2	2
sort.c in perf/util	2619	123	2
cs-etm.c in perf/util	1978	73	2
tracepoint.py in perf/python	36	2	2
bpf.h in perf/include/bpf	43	1	2
SchedGui.py in perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace	132	16	2
prog.c in bpf/bpftool	2004	43	2
x86_energy_perf_policy.c in power/x86/x86_energy_perf_policy	1187	56	1
asound.h in include/uapi/sound	947	-	1
rseq-x86.h in testing/selftests/rseq	1105	19	1
rseq-s390.h in testing/selftests/rseq	493	8	1
rseq-ppc.h in testing/selftests/rseq	582	8	1
aliasing-test.c in testing/selftests/ia64	193	5	1
udpgso_bench_tx.c in testing/selftests/net	604	20	1
strlen.c in testing/selftests/powerpc/stringloops	94	4	1
nsPlugin.py in testing/selftests/tc-testing/plugin-lib	129	11	1
seccomp_bpf.c in testing/selftests/seccomp	3201	19	1