acrn-kernel/tools/perf
Ian Rogers 75d65c1cc4 perf tool x86: Fix perf_env memory leak
[ Upstream commit 99d4850062 ]

Found by leak sanitizer:
```
==1632594==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 21 byte(s) in 1 object(s) allocated from:
    #0 0x7f2953a7077b in __interceptor_strdup ../../../../src/libsanitizer/asan/asan_interceptors.cpp:439
    #1 0x556701d6fbbf in perf_env__read_cpuid util/env.c:369
    #2 0x556701d70589 in perf_env__cpuid util/env.c:465
    #3 0x55670204bba2 in x86__is_amd_cpu arch/x86/util/env.c:14
    #4 0x5567020487a2 in arch__post_evsel_config arch/x86/util/evsel.c:83
    #5 0x556701d8f78b in evsel__config util/evsel.c:1366
    #6 0x556701ef5872 in evlist__config util/record.c:108
    #7 0x556701cd6bcd in test__PERF_RECORD tests/perf-record.c:112
    #8 0x556701cacd07 in run_test tests/builtin-test.c:236
    #9 0x556701cacfac in test_and_print tests/builtin-test.c:265
    #10 0x556701cadddb in __cmd_test tests/builtin-test.c:402
    #11 0x556701caf2aa in cmd_test tests/builtin-test.c:559
    #12 0x556701d3b557 in run_builtin tools/perf/perf.c:323
    #13 0x556701d3bac8 in handle_internal_command tools/perf/perf.c:377
    #14 0x556701d3be90 in run_argv tools/perf/perf.c:421
    #15 0x556701d3c3f8 in main tools/perf/perf.c:537
    #16 0x7f2952a46189 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58

SUMMARY: AddressSanitizer: 21 byte(s) leaked in 1 allocation(s).
```

Fixes: f7b58cbdb3 ("perf mem/c2c: Add load store event mappings for AMD")
Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Ravi Bangoria <ravi.bangoria@amd.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Link: https://lore.kernel.org/r/20230613235416.1650755-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-19 16:21:38 +02:00
..
Documentation perf intel-pt: Do not try to queue auxtrace data on pipe 2023-03-10 09:33:26 +01:00
arch perf tool x86: Fix perf_env memory leak 2023-07-19 16:21:38 +02:00
bench parisc: Align parisc MADV_XXX constants with all other architectures 2023-01-14 10:33:40 +01:00
dlfilters
examples/bpf
include
jvmti
pmu-events perf vendor events power9: Remove UTF-8 characters from JSON files 2023-05-17 11:53:39 +02:00
python
scripts perf scripts intel-pt-events.py: Fix IPC output for Python 2 2023-05-17 11:53:39 +02:00
tests perf tests record_offcpu.sh: Fix redirection of stderr to stdin 2023-05-17 11:53:39 +02:00
trace tools headers uapi: Sync linux/stat.h with the kernel sources 2022-10-25 17:40:48 -03:00
ui perf tools: Fix "kernel lock contention analysis" test by not printing warnings in quiet mode 2022-12-31 13:32:44 +01:00
util perf dwarf-aux: Fix off-by-one in die_get_varname() 2023-07-19 16:21:38 +02:00
.gitignore perf tools: Add the include/perf/ directory to .gitignore 2022-11-08 18:54:41 -03:00
Build
CREDITS
MANIFEST
Makefile
Makefile.config perf bpf: Fix build with libbpf 0.7.0 by checking if bpf_program__set_insns() is available 2022-10-25 17:40:48 -03:00
Makefile.perf
builtin-annotate.c perf tools: Make quiet mode consistent between tools 2022-12-31 13:33:07 +01:00
builtin-bench.c perf bench: Add missing setlocale() call to allow usage of %'d style formatting 2023-07-19 16:21:36 +02:00
builtin-buildid-cache.c
builtin-buildid-list.c
builtin-c2c.c
builtin-config.c
builtin-daemon.c
builtin-data.c
builtin-diff.c perf tools: Make quiet mode consistent between tools 2022-12-31 13:33:07 +01:00
builtin-evlist.c
builtin-ftrace.c perf ftrace latency: Remove unnecessary "--" from --use-nsec option 2023-06-09 10:34:02 +02:00
builtin-help.c
builtin-inject.c perf inject: Fix --buildid-all not to eat up MMAP2 2023-03-17 08:50:14 +01:00
builtin-kallsyms.c
builtin-kmem.c perf kmem: Support field "node" in evsel__process_alloc_event() coping with recent tracepoint restructuring 2023-01-18 11:58:31 +01:00
builtin-kvm.c
builtin-kwork.c
builtin-list.c perf list: Fix metricgroups title message 2022-10-14 12:21:42 -03:00
builtin-lock.c perf lock contention: Fix core dump related to not finding the "__sched_text_end" symbol on s/390 2023-01-12 12:02:30 +01:00
builtin-mem.c
builtin-probe.c perf probe: Check -v and -q options in the right place 2022-12-31 13:33:08 +01:00
builtin-record.c perf record: Fix "read LOST count failed" msg with sample read 2023-05-17 11:53:39 +02:00
builtin-report.c perf tools: Make quiet mode consistent between tools 2022-12-31 13:33:07 +01:00
builtin-sched.c
builtin-script.c perf script: Fix allocation of evsel->priv related to per-event dump files 2023-07-19 16:21:37 +02:00
builtin-stat.c perf stat: Separate bperf from bpf_profiler 2023-05-17 11:53:41 +02:00
builtin-timechart.c
builtin-top.c
builtin-trace.c perf build: Properly guard libbpf includes 2023-01-18 11:58:31 +01:00
builtin-version.c
builtin.h
check-headers.sh tools headers: Update the copy of x86's memcpy_64.S used in 'perf bench' 2022-10-25 17:40:48 -03:00
command-list.txt
design.txt
perf-archive.sh
perf-completion.sh perf tools: Fix auto-complete on aarch64 2023-03-10 09:33:27 +01:00
perf-iostat.sh
perf-read-vdso.c
perf-sys.h
perf.c
perf.h