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Ian Rogers cf95808632 perf stat: Avoid metric-only segv 
[ Upstream commit 2543947c77 ]

Cycles is recognized as part of a hard coded metric in stat-shadow.c,
it may call print_metric_only with a NULL fmt string leading to a
segfault. Handle the NULL fmt explicitly.

Fixes: 088519f318 ("perf stat: Move the display functions to stat-display.c")
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Cc: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: James Clark <james.clark@arm.com>
Cc: Kaige Ye <ye@kaige.org>
Cc: John Garry <john.g.garry@oracle.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240209204947.3873294-4-irogers@google.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-03-26 18:22:20 -04:00
..
c++
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cs-etm-decoder
perf tools: Remove util.h from where it is not needed
2019-09-20 09:19:20 -03:00
include
…
intel-pt-decoder
perf intel-pt: Fix CYC timestamps after standalone CBR
2023-05-17 11:35:56 +02:00
libunwind
perf tools: Remove debug.h from places where it is not needed
2019-09-20 09:19:20 -03:00
scripting-engines
perf scripting python: Avoid declaring function pointers with a visibility attribute
2020-11-18 19:20:33 +01:00
annotate.c
perf annotate bpf: Don't enclose non-debug code with an assert()
2023-09-23 10:59:57 +02:00
annotate.h
perf annotate: Don't return -1 for error when doing BPF disassembly
2019-09-30 17:30:06 -03:00
archinsn.h
…
arm-spe-pkt-decoder.c
…
arm-spe-pkt-decoder.h
…
arm-spe.c
perf env: Remove needless cpumap.h header
2019-09-20 09:19:21 -03:00
arm-spe.h
…
auxtrace.c
perf auxtrace: Fix address filter entire kernel size
2023-05-17 11:35:56 +02:00
auxtrace.h
perf tools: Rename 'struct perf_mmap' to 'struct mmap'
2019-09-25 09:51:44 -03:00
block-range.c
…
block-range.h
…
bpf_map.c
…
bpf_map.h
…
bpf-event.c
perf env: Avoid recursively taking env->bpf_progs.lock
2024-01-25 14:34:31 -08:00
bpf-event.h
perf env: Avoid recursively taking env->bpf_progs.lock
2024-01-25 14:34:31 -08:00
bpf-loader.c
libperf: Add perf_evlist__first()/last() functions
2019-09-25 09:51:48 -03:00
bpf-loader.h
…
bpf-prologue.c
…
bpf-prologue.h
…
branch.c
perf tools: Remove util.h from where it is not needed
2019-09-20 09:19:20 -03:00
branch.h
perf tools: Remove util.h from where it is not needed
2019-09-20 09:19:20 -03:00
Build
perf evsel: Introduce evsel_fprintf.h
2019-09-25 16:26:34 -03:00
build-id.c
perf copyfile: Move copyfile routines to separate files
2019-09-25 09:51:49 -03:00
build-id.h
…
cache.h
…
cacheline.c
…
cacheline.h
…
call-path.c
…
call-path.h
…
callchain.c
perf tools: Move event synthesizing routines to separate header
2019-09-20 09:19:22 -03:00
callchain.h
perf callchain: Remove needless event.h include
2019-09-20 09:19:21 -03:00
cap.c
…
cap.h
…
cgroup.c
…
cgroup.h
…
cloexec.c
perf tools: Remove util.h from where it is not needed
2019-09-20 09:19:20 -03:00
cloexec.h
…
color_config.c
…
color.c
…
color.h
…
comm.c
…
comm.h
…
compress.h
…
config.c
…
config.h
…
copyfile.c
perf tools: Fix mode setting in copyfile_mode_ns()
2019-10-15 12:05:18 -03:00
copyfile.h
perf copyfile: Move copyfile routines to separate files
2019-09-25 09:51:49 -03:00
counts.c
…
counts.h
…
cpu-set-sched.h
…
cpumap.c
perf cpumap: Fix snprintf overflow check
2020-10-01 13:17:46 +02:00
cpumap.h
…
cputopo.c
…
cputopo.h
…
cs-etm.c
perf cs-etm: Move definition of 'traceid_list' global variable from header file
2020-10-17 10:11:21 +02:00
cs-etm.h
perf cs-etm: Move definition of 'traceid_list' global variable from header file
2020-10-17 10:11:21 +02:00
data-convert-bt.c
perf session: Return error code for perf_session__new() function on failure
2019-09-20 15:58:11 -03:00
data-convert-bt.h
…
data-convert.h
…
data.c
perf tools: Fix resources leak in perf_data__open_dir()
2023-01-18 11:41:58 +01:00
data.h
perf tools: Add missing headers needed by util/data.h
2022-06-14 18:11:34 +02:00
db-export.c
…
db-export.h
…
debug.c
perf script: Fix hex dump character output
2022-01-27 09:19:54 +01:00
debug.h
perf debug: No need to include ui/util.h
2019-09-20 09:19:20 -03:00
demangle-java.c
perf tools: Remove debug.h from places where it is not needed
2019-09-20 09:19:20 -03:00
demangle-java.h
…
demangle-rust.c
perf tools: Remove util.h from where it is not needed
2019-09-20 09:19:20 -03:00
demangle-rust.h
…
dso.c
perf dso: Fix memory leak in dso__new_map()
2021-07-28 13:30:54 +02:00
dso.h
perf symbols: Fix debuginfo search for Ubuntu
2020-06-22 09:31:27 +02:00
dsos.c
…
dsos.h
…
dump-insn.c
…
dump-insn.h
…
dwarf-aux.c
perf dwarf-aux: Fix off-by-one in die_get_varname()
2023-07-27 08:37:17 +02:00
dwarf-aux.h
perf probe: Fix to show function entry line as probe-able
2019-12-31 16:45:41 +01:00
dwarf-regs.c
perf tools: Remove util.h from where it is not needed
2019-09-20 09:19:20 -03:00
env.c
perf env: Avoid recursively taking env->bpf_progs.lock
2024-01-25 14:34:31 -08:00
env.h
perf env: Avoid recursively taking env->bpf_progs.lock
2024-01-25 14:34:31 -08:00
event.c
perf tools: Fix DSO filtering when not finding a map for a sampled address
2021-03-04 10:26:32 +01:00
event.h
perf tools: Move event synthesizing routines to separate header
2019-09-20 09:19:22 -03:00
events_stats.h
…
evlist.c
perf bpf: Decouple creating the evlist from adding the SB event
2024-01-25 14:34:31 -08:00
evlist.h
perf bpf: Decouple creating the evlist from adding the SB event
2024-01-25 14:34:31 -08:00
evsel_config.h
perf evsel: Move config terms to a separate header
2019-09-25 16:26:40 -03:00
evsel_fprintf.c
perf evsel: Introduce evsel_fprintf.h
2019-09-25 16:26:34 -03:00
evsel_fprintf.h
perf evsel: Introduce evsel_fprintf.h
2019-09-25 16:26:34 -03:00
evsel.c
perf evsel: Fix duplicate initialization of data->id in evsel__parse_sample()
2024-03-26 18:22:19 -04:00
evsel.h
perf evsel: Move config terms to a separate header
2019-09-25 16:26:40 -03:00
evswitch.c
…
evswitch.h
…
expr.h
…
expr.y
perf tools: Use %define api.pure full instead of %pure-parser
2021-04-16 11:46:38 +02:00
find-map.c
…
genelf_debug.c
…
genelf.c
perf genelf: Set ELF program header addresses properly
2024-01-25 14:34:31 -08:00
genelf.h
perf jit: Include program header in ELF files
2022-09-28 11:04:07 +02:00
generate-cmdlist.sh
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get_current_dir_name.c
perf tools: Fixup get_current_dir_name() compilation
2022-10-15 07:54:36 +02:00
get_current_dir_name.h
…
group.h
…
header.c
perf env: Avoid recursively taking env->bpf_progs.lock
2024-01-25 14:34:31 -08:00
header.h
perf tools: Move event synthesizing routines to separate .c file
2019-09-20 10:28:21 -03:00
help-unknown-cmd.c
…
help-unknown-cmd.h
…
hist.c
perf tools: Fix time sorting
2019-11-05 08:49:14 -03:00
hist.h
perf hist: Fix memory leak of a perf_hpp_fmt
2021-12-08 09:01:10 +01:00
intel-bts.c
libperf: Move 'ids' from 'struct evsel' to 'struct perf_evsel'
2019-09-25 09:51:47 -03:00
intel-bts.h
…
intel-pt.c
perf intel-pt: Fix segfault in intel_pt_print_info() with uClibc
2022-10-26 13:22:59 +02:00
intel-pt.h
…
intlist.c
…
intlist.h
…
jit.h
…
jitdump.c
perf inject jit: Fix JIT_CODE_MOVE filename
2019-09-30 17:29:49 -03:00
jitdump.h
…
kvm-stat.h
perf kvm: Add arch neutral function to choose event for perf kvm record
2019-09-20 10:28:26 -03:00
levenshtein.c
…
levenshtein.h
…
llvm-utils.c
perf llvm: Fix inadvertent file creation
2023-03-11 16:43:49 +01:00
llvm-utils.h
…
lzma.c
perf lzma: Close lzma stream on exit
2021-07-28 13:30:54 +02:00
machine.c
perf machine: Initialize srcline string member in add_location struct
2021-09-22 12:26:41 +02:00
machine.h
perf tools: Move event synthesizing routines to separate header
2019-09-20 09:19:22 -03:00
map_groups.h
…
map_symbol.h
…
map.c
Revert "perf map: Fix dso->nsinfo refcounting"
2021-08-04 12:27:40 +02:00
map.h
…
mem2node.c
perf mem2node: Avoid double free related to realloc
2020-10-01 13:17:58 +02:00
mem2node.h
…
mem-events.c
…
mem-events.h
…
memswap.c
…
memswap.h
perf memswap: Adopt 'struct u64_swap' from evsel.h
2019-09-20 09:19:22 -03:00
metricgroup.c
perf metricgroup: Free metric_events on error
2020-10-01 13:18:06 +02:00
metricgroup.h
…
mmap.c
libperf: Use sys/types.h to get ssize_t, not unistd.h
2019-09-25 09:51:49 -03:00
mmap.h
libperf: Add 'flush' to 'struct perf_mmap'
2019-09-25 09:51:46 -03:00
namespaces.c
perf tools: Move event synthesizing routines to separate .c file
2019-09-20 10:28:21 -03:00
namespaces.h
perf tools: Move event synthesizing routines to separate .c file
2019-09-20 10:28:21 -03:00
ordered-events.c
…
ordered-events.h
…
parse-branch-options.c
…
parse-branch-options.h
…
parse-events.c
perf parse-events: Use strcmp() to compare the PMU name
2020-10-01 13:18:12 +02:00
parse-events.h
…
parse-events.l
…
parse-events.y
perf tools: Use %define api.pure full instead of %pure-parser
2021-04-16 11:46:38 +02:00
parse-regs-options.c
perf record: Fix memory leak when using '--user-regs=?' to list registers
2020-12-30 11:51:28 +01:00
parse-regs-options.h
…
path.c
…
path.h
…
perf_event_attr_fprintf.c
perf evsel: Introduce evsel_fprintf.h
2019-09-25 16:26:34 -03:00
perf_regs.c
…
perf_regs.h
perf regs: Make perf_reg_name() return "unknown" instead of NULL
2020-01-04 19:18:27 +01:00
perf-hooks-list.h
…
perf-hooks.c
perf tools: Remove util.h from where it is not needed
2019-09-20 09:19:20 -03:00
perf-hooks.h
…
PERF-VERSION-GEN
…
pmu.c
perf test: Free formats for perf pmu parse test
2020-09-23 12:40:41 +02:00
pmu.h
perf test: Free formats for perf pmu parse test
2020-09-23 12:40:41 +02:00
pmu.l
…
pmu.y
…
print_binary.c
perf python scripting: Fix printable strings in python3 scripts
2020-11-05 11:43:32 +01:00
print_binary.h
…
probe-event.c
perf probe: Fix ppc64 'perf probe add events failed' case
2022-02-16 12:52:50 +01:00
probe-event.h
…
probe-file.c
perf probe-file: Delete namelist in del_events() on the error path
2021-07-28 13:30:54 +02:00
probe-file.h
…
probe-finder.c
perf probe: Fix memory leakage when the probe point is not found
2020-08-26 10:40:48 +02:00
probe-finder.h
…
pstack.c
…
pstack.h
…
python-ext-sources
perf evsel: Introduce evsel_fprintf.h
2019-09-25 16:26:34 -03:00
python.c
perf evsel: Fall back to global 'perf_env' in perf_evsel__env()
2019-09-30 17:29:57 -03:00
rb_resort.h
…
rblist.c
…
rblist.h
…
record.c
libperf: Add perf_evlist__first()/last() functions
2019-09-25 09:51:48 -03:00
record.h
…
rlimit.c
…
rlimit.h
…
rwsem.c
perf tools: Remove util.h from where it is not needed
2019-09-20 09:19:20 -03:00
rwsem.h
…
s390-cpumcf-kernel.h
…
s390-cpumsf-kernel.h
…
s390-cpumsf.c
perf env: Remove needless cpumap.h header
2019-09-20 09:19:21 -03:00
s390-cpumsf.h
…
s390-sample-raw.c
perf tools: Remove util.h from where it is not needed
2019-09-20 09:19:20 -03:00
sample-raw.c
…
sample-raw.h
…
session.c
perf session: Remap buf if there is no space for event
2022-04-15 14:18:38 +02:00
session.h
perf tools: Move event synthesizing routines to separate header
2019-09-20 09:19:22 -03:00
setns.c
…
setup.py
…
smt.c
…
smt.h
…
sort.c
perf map: Delete two variable initialisations before null pointer checks in sort__sym_from_cmp()
2023-05-17 11:36:00 +02:00
sort.h
…
srccode.c
libperf: Move 'page_size' global variable to libperf
2019-09-25 09:51:48 -03:00
srccode.h
…
srcline.c
perf: Make perf able to build with latest libbfd
2020-06-03 08:21:39 +02:00
srcline.h
…
stat-display.c
perf stat: Avoid metric-only segv
2024-03-26 18:22:20 -04:00
stat-shadow.c
perf stat: Don't report a null stalled cycles per insn metric
2020-02-19 19:53:08 +01:00
stat.c
perf stat: Zero all the 'ena' and 'run' array slot stats for interval mode
2020-07-22 09:33:05 +02:00
stat.h
perf stat: Reset previous counts on repeat with interval
2019-09-20 10:28:26 -03:00
strbuf.c
…
strbuf.h
…
strfilter.c
…
strfilter.h
…
string2.h
…
string.c
…
strlist.c
…
strlist.h
…
svghelper.c
perf env: Remove needless cpumap.h header
2019-09-20 09:19:21 -03:00
svghelper.h
…
symbol_conf.h
…
symbol_fprintf.c
perf symbols: Fix dso__fprintf_symbols_by_name() to return the number of printed chars
2021-05-14 09:44:26 +02:00
symbol-elf.c
perf symbols: Fix return incorrect build_id size in elf_read_build_id()
2023-05-17 11:36:00 +02:00
symbol-minimal.c
perf tools: Remove util.h from where it is not needed
2019-09-20 09:19:20 -03:00
symbol.c
perf symbols: Fix symbol size calculation condition
2022-03-23 09:12:07 +01:00
symbol.h
…
symsrc.h
…
synthetic-events.c
libperf: Move 'page_size' global variable to libperf
2019-09-25 09:51:48 -03:00
synthetic-events.h
perf tools: Move event synthesizing routines to separate header
2019-09-20 09:19:22 -03:00
syscalltbl.c
…
syscalltbl.h
…
target.c
perf tools: Remove util.h from where it is not needed
2019-09-20 09:19:20 -03:00
target.h
…
term.c
…
term.h
…
thread_map.c
perf thread_map: Free strlist on normal path in thread_map__new_by_tid_str()
2024-03-26 18:22:20 -04:00
thread_map.h
…
thread-stack.c
…
thread-stack.h
…
thread.c
…
thread.h
…
time-utils.c
perf script: Fix --reltime with --time
2020-01-23 08:23:01 +01:00
time-utils.h
perf script: Fix --reltime with --time
2020-01-23 08:23:01 +01:00
tool.h
…
top.c
libperf: Add perf_evlist__first()/last() functions
2019-09-25 09:51:48 -03:00
top.h
perf top: Move sb_evlist to 'struct perf_top'
2024-01-25 14:34:31 -08:00
trace-event-info.c
libperf: Move 'page_size' global variable to libperf
2019-09-25 09:51:48 -03:00
trace-event-parse.c
perf tools: Remove unused trace_find_next_event()
2019-11-05 08:39:27 -03:00
trace-event-read.c
perf traceevent: Ensure read cmdlines are null terminated.
2021-03-17 17:03:37 +01:00
trace-event-scripting.c
…
trace-event.c
perf tools: Remove util.h from where it is not needed
2019-09-20 09:19:20 -03:00
trace-event.h
perf tools: Remove unused trace_find_next_event()
2019-11-05 08:39:27 -03:00
trigger.h
…
tsc.c
…
tsc.h
perf tools: Move event synthesizing routines to separate header
2019-09-20 09:19:22 -03:00
units.c
…
units.h
…
unwind-libdw.c
perf unwind: Set userdata for all __report_module() paths
2021-05-28 13:10:27 +02:00
unwind-libdw.h
…
unwind-libunwind-local.c
perf tools: Remove util.h from where it is not needed
2019-09-20 09:19:20 -03:00
unwind-libunwind.c
…
unwind.h
…
usage.c
perf tools: Remove debug.h from places where it is not needed
2019-09-20 09:19:20 -03:00
util.c
perf report: Fix memory leaks around perf_tip()
2021-12-08 09:01:10 +01:00
util.h
perf report: Fix memory leaks around perf_tip()
2021-12-08 09:01:10 +01:00
values.c
…
values.h
…
vdso.c
perf tools: Remove util.h from where it is not needed
2019-09-20 09:19:20 -03:00
vdso.h
…
xyarray.c
…
zlib.c
perf tools: Remove util.h from where it is not needed
2019-09-20 09:19:20 -03:00
zstd.c
perf tools: Use %zd for size_t printf formats on 32-bit
2021-04-16 11:46:38 +02:00