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linux-stable-mirror/tools/perf/util
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Namhyung Kim 4a86d41404 perf tools: Allow build-id with trailing zeros 
Currently perf saves a build-id with size but old versions assumes the
size of 20.  In case the build-id is less than 20 (like for MD5), it'd
fill the rest with 0s.

I saw a problem when old version of perf record saved a binary in the
build-id cache and new version of perf reads the data.  The symbols
should be read from the build-id cache (as the path no longer has the
same binary) but it failed due to mismatch in the build-id.

  symsrc__init: build id mismatch for /home/namhyung/.debug/.build-id/53/e4c2f42a4c61a2d632d92a72afa08f00000000/elf.

The build-id event in the data has 20 byte build-ids, but it saw a
different size (16) when it reads the build-id of the elf file in the
build-id cache.

  $ readelf -n ~/.debug/.build-id/53/e4c2f42a4c61a2d632d92a72afa08f00000000/elf

  Displaying notes found in: .note.gnu.build-id
    Owner                Data size 	Description
    GNU                  0x00000010	NT_GNU_BUILD_ID (unique build ID bitstring)
      Build ID: 53e4c2f42a4c61a2d632d92a72afa08f

Let's fix this by allowing trailing zeros if the size is different.

Fixes: 39be8d0115 ("perf tools: Pass build_id object to dso__build_id_equal()")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20210910224630.1084877-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11 16:04:47 -03:00
..
arm-spe-decoder
perf arm-spe: Avoid potential buffer overrun
2021-04-07 16:23:20 -03:00
bpf_skel
perf stat: Enable BPF counter with --for-each-cgroup
2021-07-05 14:16:57 -03:00
c++
…
cs-etm-decoder
perf cs-etm: Print the decoder name
2021-09-03 08:17:25 -03:00
include
…
intel-pt-decoder
perf intel-pt: Add a config for max loops without consuming a packet
2021-07-07 11:40:56 -03:00
libunwind
perf tools: Fix various typos in comments
2021-03-23 17:13:43 -03:00
scripting-engines
perf script python: Allow reporting the [un]throttle PERF_RECORD_ meta event
2021-09-03 08:18:25 -03:00
affinity.c
tools: rename bitmap_alloc() to bitmap_zalloc()
2021-09-08 11:50:27 -07:00
affinity.h
…
amd-sample-raw.c
perf report: Add support to print a textual representation of IBS raw sample data
2021-09-10 18:15:21 -03:00
annotate.c
perf bpf: Fix memory leaks relating to BTF.
2021-08-31 15:12:00 -03:00
annotate.h
perf annotate: Show full source location with 'l' hotkey
2021-03-06 16:42:31 -03:00
archinsn.h
…
arm-spe.c
perf arm-spe: Don't wait for PERF_RECORD_EXIT event
2021-07-01 16:14:36 -03:00
arm-spe.h
…
auxtrace.c
perf auxtrace: Add compat_auxtrace_mmap__{read_head|write_tail}
2021-08-31 15:12:00 -03:00
auxtrace.h
perf auxtrace: Add compat_auxtrace_mmap__{read_head|write_tail}
2021-08-31 15:12:00 -03:00
block-info.c
perf report: Fix wrong LBR block sorting
2021-04-07 16:18:49 -03:00
block-info.h
…
block-range.c
…
block-range.h
…
bpf_counter_cgroup.c
libperf: Move 'idx' from tools/perf to perf_evsel::idx
2021-07-09 14:04:28 -03:00
bpf_counter.c
tools: Replace btf__get_from_id() with btf__load_from_kernel_by_id()
2021-07-29 17:23:52 -07:00
bpf_counter.h
perf bpf_counter: Move common functions to bpf_counter.h
2021-07-01 16:14:19 -03:00
bpf_map.c
…
bpf_map.h
…
bpf-event.c
perf bpf: Provide a weak btf__load_from_kernel_by_id() for older libbpf versions
2021-09-10 18:32:04 -03:00
bpf-event.h
…
bpf-loader.c
perf tools: Fix various typos in comments
2021-03-23 17:13:43 -03:00
bpf-loader.h
…
bpf-prologue.c
…
bpf-prologue.h
…
branch.c
…
branch.h
…
Build
perf report: Add support to print a textual representation of IBS raw sample data
2021-09-10 18:15:21 -03:00
build-id.c
perf buildid-cache: Don't skip 16-byte build-ids
2021-02-18 16:41:40 -03:00
build-id.h
perf buildid-cache: Don't skip 16-byte build-ids
2021-02-18 16:41:40 -03:00
cache.h
…
cacheline.c
…
cacheline.h
…
call-path.c
…
call-path.h
perf tools: Fix various typos in comments
2021-03-23 17:13:43 -03:00
callchain.c
perf tools: Fix various typos in comments
2021-03-23 17:13:43 -03:00
callchain.h
…
cap.c
…
cap.h
…
cgroup.c
libperf: Move 'leader' from tools/perf to perf_evsel::leader
2021-07-09 14:04:31 -03:00
cgroup.h
perf stat: Enable BPF counter with --for-each-cgroup
2021-07-05 14:16:57 -03:00
clockid.c
…
clockid.h
…
cloexec.c
…
cloexec.h
…
color_config.c
…
color.c
…
color.h
…
comm.c
…
comm.h
…
compress.h
…
config.c
perf config: Fix caching and memory leak in perf_home_perfconfig()
2021-08-30 10:06:22 -03:00
config.h
perf config: Make perf_config_global() global
2021-01-20 14:34:21 -03:00
copyfile.c
…
copyfile.h
…
counts.c
…
counts.h
…
cpu-set-sched.h
…
cpumap.c
perf stat aggregation: Add separate thread member
2020-12-24 10:05:28 -03:00
cpumap.h
perf stat aggregation: Add separate thread member
2020-12-24 10:05:28 -03:00
cputopo.c
perf header: Support HYBRID_TOPOLOGY feature
2021-05-17 10:55:10 -03:00
cputopo.h
perf header: Support HYBRID_TOPOLOGY feature
2021-05-17 10:55:10 -03:00
cs-etm.c
perf cs-etm: Show a warning for an unknown magic number
2021-09-03 08:18:24 -03:00
cs-etm.h
perf cs-etm: Save TRCDEVARCH register
2021-09-03 08:15:10 -03:00
data-convert-bt.c
perf tools: Remove repipe argument from perf_session__new()
2021-08-02 10:06:51 -03:00
data-convert-json.c
perf tools: Remove repipe argument from perf_session__new()
2021-08-02 10:06:51 -03:00
data-convert.h
perf data: Add JSON export
2021-04-29 10:30:58 -03:00
data.c
perf data: Close all files in close_dir()
2021-07-18 09:27:49 -03:00
data.h
perf inject: Add facility to do in place update
2021-05-12 12:43:10 -03:00
db-export.c
perf scripting python: Add 'addr_location' for 'addr'
2021-05-25 10:07:17 -03:00
db-export.h
perf scripting python: Add 'addr_location' for 'addr'
2021-05-25 10:07:17 -03:00
debug.c
perf debug: Add debug_set_display_time function
2021-01-20 14:34:20 -03:00
debug.h
perf tools: Add WARN_ONCE equivalent for UI warnings
2021-08-03 17:03:18 -03:00
demangle-java.c
perf tools: Fix various typos in comments
2021-03-23 17:13:43 -03:00
demangle-java.h
…
demangle-ocaml.c
perf tools: Preserve identifier id in OCaml demangler
2021-03-30 12:45:59 -03:00
demangle-ocaml.h
perf tools: Add OCaml demangling
2021-02-17 15:15:06 -03:00
demangle-rust.c
…
demangle-rust.h
…
dlfilter.c
perf tests: Add dlfilter test
2021-08-11 09:35:44 -03:00
dlfilter.h
perf tests: Add dlfilter test
2021-08-11 09:35:44 -03:00
dso.c
perf tools: Allow build-id with trailing zeros
2021-09-11 16:04:47 -03:00
dso.h
perf tools: Add flag for tracking warnings of missing DSOs
2021-08-03 17:04:08 -03:00
dsos.c
…
dsos.h
…
dump-insn.c
…
dump-insn.h
…
dwarf-aux.c
perf probe: Fix add event failure when running 32-bit perf in a 64-bit kernel
2021-07-18 09:31:15 -03:00
dwarf-aux.h
perf probe: Fix add event failure when running 32-bit perf in a 64-bit kernel
2021-07-18 09:31:15 -03:00
dwarf-regs.c
perf tools: Support MIPS unwinding and dwarf-regs
2021-03-01 14:47:50 -03:00
env.c
perf env: Add perf_env__cpuid, perf_env__{nr_}pmu_mappings
2021-09-10 11:45:19 -03:00
env.h
perf env: Add perf_env__cpuid, perf_env__{nr_}pmu_mappings
2021-09-10 11:45:19 -03:00
event.c
perf script: Support filtering by hex address
2021-02-08 17:09:11 -03:00
event.h
perf script: Add missing PERF_IP_FLAG_CHARS for VM-Entry and VM-Exit
2021-05-21 16:41:37 -03:00
events_stats.h
perf session: Report collisions in AUX records
2021-09-03 08:29:55 -03:00
evlist-hybrid.c
perf tools: Enable on a list of CPUs for hybrid
2021-08-11 16:07:32 -03:00
evlist-hybrid.h
perf tools: Enable on a list of CPUs for hybrid
2021-08-11 16:07:32 -03:00
evlist.c
perf tools: Enable on a list of CPUs for hybrid
2021-08-11 16:07:32 -03:00
evlist.h
perf evlist: Add evlist__for_each_entry_from() macro
2021-09-01 11:24:43 -03:00
evsel_config.h
…
evsel_fprintf.c
perf tools: Add 'evlist' control command
2021-01-20 14:34:21 -03:00
evsel_fprintf.h
…
evsel.c
perf tools: Factor out copy_config_terms() and free_config_terms()
2021-09-11 16:00:13 -03:00
evsel.h
perf tools: Factor out copy_config_terms() and free_config_terms()
2021-09-11 16:00:13 -03:00
evswitch.c
…
evswitch.h
…
expr.c
…
expr.h
perf tools: Fix various typos in comments
2021-03-23 17:13:43 -03:00
expr.l
…
expr.y
…
find-map.c
…
fncache.c
…
fncache.h
…
genelf_debug.c
…
genelf.c
…
genelf.h
…
generate-cmdlist.sh
…
get_current_dir_name.c
perf tools: Fixup get_current_dir_name() compilation
2021-08-30 10:06:16 -03:00
get_current_dir_name.h
…
hashmap.c
…
hashmap.h
…
header.c
Merge branch 'akpm' (patches from Andrew)
2021-09-08 12:55:35 -07:00
header.h
perf tools: Pass a fd to perf_file_header__read_pipe()
2021-08-02 10:09:05 -03:00
help-unknown-cmd.c
…
help-unknown-cmd.h
…
hist.c
perf report: Add --skip-empty option to suppress 0 event stat
2021-04-29 10:30:59 -03:00
hist.h
perf report: Add --skip-empty option to suppress 0 event stat
2021-04-29 10:30:59 -03:00
intel-bts.c
…
intel-bts.h
…
intel-pt.c
perf intel-pt: Add a config for max loops without consuming a packet
2021-07-07 11:40:56 -03:00
intel-pt.h
…
intlist.c
perf intlist: Change 'struct intlist' int member to 'unsigned long'
2021-02-08 17:02:00 -03:00
intlist.h
perf intlist: Change 'struct intlist' int member to 'unsigned long'
2021-02-08 17:02:00 -03:00
iostat.c
perf stat: Basic support for iostat in perf
2021-04-20 08:40:20 -03:00
iostat.h
perf stat: Basic support for iostat in perf
2021-04-20 08:40:20 -03:00
jit.h
perf inject jit: Add namespaces support
2021-02-03 13:10:44 -03:00
jitdump.c
perf jit: Let convert_timestamp() to be backwards-compatible
2021-04-29 10:31:00 -03:00
jitdump.h
…
kvm-stat.h
…
levenshtein.c
perf tools: Fix various typos in comments
2021-03-23 17:13:43 -03:00
levenshtein.h
…
llvm-utils.c
perf tools: Fix LLVM download hint link
2021-08-31 15:18:16 -03:00
llvm-utils.h
…
lzma.c
perf lzma: Close lzma stream on exit
2021-07-15 17:30:22 -03:00
machine.c
perf machine: Fix refcount usage when processing PERF_RECORD_KSYMBOL
2021-06-19 10:06:46 -03:00
machine.h
perf machine: Factor out machine__idle_thread()
2021-02-18 16:14:33 -03:00
map_symbol.h
perf sort: Add sort option for data page size
2020-12-19 17:52:24 -03:00
map.c
Revert "perf map: Fix dso->nsinfo refcounting"
2021-07-30 18:26:22 -03:00
map.h
perf tools: Fix various typos in comments
2021-03-23 17:13:43 -03:00
maps.h
…
mem2node.c
…
mem2node.h
…
mem-events.c
perf mem-events: Remove duplicate #undef
2021-06-16 15:05:24 -03:00
mem-events.h
perf mem: Support record for hybrid platform
2021-06-01 11:04:59 -03:00
memswap.c
…
memswap.h
…
metricgroup.c
tools: rename bitmap_alloc() to bitmap_zalloc()
2021-09-08 11:50:27 -07:00
metricgroup.h
perf metricgroup: Make find_metric() public with name change
2021-04-08 14:23:39 -03:00
mmap.c
tools: rename bitmap_alloc() to bitmap_zalloc()
2021-09-08 11:50:27 -07:00
mmap.h
perf mmap: Add missing bitops.h header
2021-08-31 16:21:17 -03:00
namespaces.c
perf inject jit: Add namespaces support
2021-02-03 13:10:44 -03:00
namespaces.h
perf inject jit: Add namespaces support
2021-02-03 13:10:44 -03:00
ordered-events.c
…
ordered-events.h
…
parse-branch-options.c
…
parse-branch-options.h
…
parse-events-hybrid.c
perf tools: Fix hybrid config terms list corruption
2021-09-11 16:00:34 -03:00
parse-events-hybrid.h
perf parse-events: Compare with hybrid pmu name
2021-04-29 10:30:59 -03:00
parse-events.c
perf tools: Fix hybrid config terms list corruption
2021-09-11 16:00:34 -03:00
parse-events.h
perf parse-events: Compare with hybrid pmu name
2021-04-29 10:30:59 -03:00
parse-events.l
perf tools: Add 'cgroup-switches' software event
2021-05-19 14:23:23 -03:00
parse-events.y
perf pmu: Add PMU alias support
2021-09-03 08:33:26 -03:00
parse-regs-options.c
…
parse-regs-options.h
…
parse-sublevel-options.c
…
parse-sublevel-options.h
perf tools: Add missing newline at the end of header file
2021-08-24 15:01:31 -03:00
path.c
…
path.h
…
perf_api_probe.c
perf record: Move probing cgroup sampling support
2021-06-01 10:32:00 -03:00
perf_api_probe.h
perf record: Move probing cgroup sampling support
2021-06-01 10:32:00 -03:00
perf_event_attr_fprintf.c
perf tools: Fix perf_event_attr__fprintf() missing/dupl. fields
2021-09-11 15:58:36 -03:00
perf_regs.c
…
perf_regs.h
perf tools: Fix arm64 build error with gcc-11
2021-02-18 16:24:43 -03:00
perf-hooks-list.h
…
perf-hooks.c
…
perf-hooks.h
…
PERF-VERSION-GEN
…
pfm.c
libperf: Fix build error with LIBPFM4=1
2021-07-14 10:05:35 -03:00
pfm.h
…
pmu-hybrid.c
perf pmu: Add hybrid helper functions
2021-04-29 10:30:59 -03:00
pmu-hybrid.h
perf header: Support HYBRID_TOPOLOGY feature
2021-05-17 10:55:10 -03:00
pmu.c
perf pmu: Add PMU alias support
2021-09-03 08:33:26 -03:00
pmu.h
perf pmu: Add PMU alias support
2021-09-03 08:33:26 -03:00
pmu.l
…
pmu.y
…
print_binary.c
…
print_binary.h
…
probe-event.c
perf probe: Fix add event failure when running 32-bit perf in a 64-bit kernel
2021-07-18 09:31:15 -03:00
probe-event.h
perf probe: Fix add event failure when running 32-bit perf in a 64-bit kernel
2021-07-18 09:31:15 -03:00
probe-file.c
perf probe-file: Delete namelist in del_events() on the error path
2021-07-18 09:27:37 -03:00
probe-file.h
…
probe-finder.c
perf probe: Fix add event failure when running 32-bit perf in a 64-bit kernel
2021-07-18 09:31:15 -03:00
probe-finder.h
perf probe: Fix add event failure when running 32-bit perf in a 64-bit kernel
2021-07-18 09:31:15 -03:00
pstack.c
…
pstack.h
…
python-ext-sources
perf stat: Warn group events from different hybrid PMU
2021-04-29 10:30:59 -03:00
python.c
libperf: Move 'idx' from tools/perf to perf_evsel::idx
2021-07-09 14:04:28 -03:00
rb_resort.h
…
rblist.c
…
rblist.h
…
record.c
libperf: Move 'leader' from tools/perf to perf_evsel::leader
2021-07-09 14:04:31 -03:00
record.h
perf record: Add support for PERF_SAMPLE_CODE_PAGE_SIZE
2021-01-20 14:34:20 -03:00
rlimit.c
…
rlimit.h
…
rwsem.c
…
rwsem.h
…
s390-cpumcf-kernel.h
…
s390-cpumsf-kernel.h
…
s390-cpumsf.c
perf tools: Fix various typos in comments
2021-03-23 17:13:43 -03:00
s390-cpumsf.h
…
s390-sample-raw.c
perf pmu: Add pmu_events_map__find() function to find the common PMU map for the system
2021-04-08 14:24:14 -03:00
sample-raw.c
perf report: Add support to print a textual representation of IBS raw sample data
2021-09-10 18:15:21 -03:00
sample-raw.h
perf report: Add support to print a textual representation of IBS raw sample data
2021-09-10 18:15:21 -03:00
session.c
perf session: Report collisions in AUX records
2021-09-03 08:29:55 -03:00
session.h
perf tools: Pass a fd to perf_file_header__read_pipe()
2021-08-02 10:09:05 -03:00
setns.c
…
setup.py
perf tools: Add 'evlist' control command
2021-01-20 14:34:21 -03:00
sideband_evlist.c
…
smt.c
…
smt.h
…
sort.c
perf report: Free generated help strings for sort option
2021-07-15 17:27:52 -03:00
sort.h
perf report: Free generated help strings for sort option
2021-07-15 17:27:52 -03:00
spark.c
…
spark.h
…
srccode.c
perf srccode: Use list_move() instead of equivalent list_del() + list_add() sequence
2021-06-08 09:36:36 -03:00
srccode.h
…
srcline.c
…
srcline.h
…
stat-display.c
perf stat: Merge uncore events by default for hybrid platform
2021-07-14 10:05:35 -03:00
stat-shadow.c
libperf: Move 'leader' from tools/perf to perf_evsel::leader
2021-07-09 14:04:31 -03:00
stat.c
libperf: Move 'leader' from tools/perf to perf_evsel::leader
2021-07-09 14:04:31 -03:00
stat.h
perf stat: Basic support for iostat in perf
2021-04-20 08:40:20 -03:00
strbuf.c
…
strbuf.h
perf tools: Fix various typos in comments
2021-03-23 17:13:43 -03:00
stream.c
libperf: Move 'idx' from tools/perf to perf_evsel::idx
2021-07-09 14:04:28 -03:00
stream.h
…
strfilter.c
…
strfilter.h
perf tools: Fix various typos in comments
2021-03-23 17:13:43 -03:00
string2.h
perf tools: Add OCaml demangling
2021-02-17 15:15:06 -03:00
string.c
perf tools: Add OCaml demangling
2021-02-17 15:15:06 -03:00
strlist.c
…
strlist.h
…
svghelper.c
…
svghelper.h
…
symbol_conf.h
perf script: Support filtering by hex address
2021-02-08 17:09:11 -03:00
symbol_fprintf.c
perf symbols: Fix dso__fprintf_symbols_by_name() to return the number of printed chars
2021-03-08 11:17:51 -03:00
symbol-elf.c
perf top: Fix overflow in elf_sec__is_text()
2021-07-07 10:28:10 -03:00
symbol-minimal.c
…
symbol.c
perf symbol: Look for ImageBase in PE file to compute .text offset
2021-09-10 11:45:19 -03:00
symbol.h
…
symsrc.h
…
synthetic-events.c
perf inject: Fix output from a file to a pipe
2021-08-02 10:14:34 -03:00
synthetic-events.h
perf inject: Fix output from a file to a pipe
2021-08-02 10:14:34 -03:00
syscalltbl.c
perf tools: Generate mips syscalls_n64.c syscall table
2021-03-01 14:49:28 -03:00
syscalltbl.h
…
target.c
perf stat: Enable counting events for BPF programs
2021-01-20 14:25:28 -03:00
target.h
perf tools: Create hybrid flag in target
2021-08-11 16:04:33 -03:00
term.c
…
term.h
…
thread_map.c
…
thread_map.h
…
thread-stack.c
…
thread-stack.h
perf tools: Remove duplicate struct forward declarations
2021-03-25 08:59:10 -03:00
thread.c
…
thread.h
…
time-utils.c
…
time-utils.h
…
tool.h
…
top.c
…
top.h
…
topdown.c
…
topdown.h
…
trace-event-info.c
perf trace-event-info: Rename for_each_event.
2021-02-03 13:13:53 -03:00
trace-event-parse.c
…
trace-event-read.c
perf traceevent: Ensure read cmdlines are null terminated.
2021-03-06 16:54:26 -03:00
trace-event-scripting.c
perf scripting: Add perf_session to scripting_context
2021-06-01 10:03:17 -03:00
trace-event.c
…
trace-event.h
perf script python: Allow reporting the [un]throttle PERF_RECORD_ meta event
2021-09-03 08:18:25 -03:00
trigger.h
…
tsc.c
perf session: Dump PERF_RECORD_TIME_CONV event
2021-04-29 10:31:00 -03:00
tsc.h
perf session: Dump PERF_RECORD_TIME_CONV event
2021-04-29 10:31:00 -03:00
units.c
perf stat: Improve readability of shadow stats
2021-03-15 11:36:54 -03:00
units.h
perf stat: Improve readability of shadow stats
2021-03-15 11:36:54 -03:00
unwind-libdw.c
perf unwind: Set userdata for all __report_module() paths
2021-02-18 14:20:32 -03:00
unwind-libdw.h
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unwind-libunwind-local.c
perf tools: Fix various typos in comments
2021-03-23 17:13:43 -03:00
unwind-libunwind.c
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unwind.h
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usage.c
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util.c
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util.h
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values.c
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values.h
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vdso.c
perf record: Fix memory leak in vDSO found using ASAN
2021-03-24 10:38:56 -03:00
vdso.h
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zlib.c
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zstd.c
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