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Ian Rogers 75d65c1cc4 perf tool x86: Fix perf_env memory leak 
[ Upstream commit 99d4850062a84564f36923764bb93935ef2ed108 ]

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: f7b58cbdb3ff36eb ("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
..
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
perf dlfilter dlfilter-show-cycles: Fix types for print format
2022-09-08 12:17:45 -03:00
Documentation
perf intel-pt: Do not try to queue auxtrace data on pipe
2023-03-10 09:33:26 +01:00
examples/bpf
…
include
perf dlfilter: Add machine_pid and vcpu
2022-07-20 11:08:13 -03:00
jvmti
…
pmu-events
perf vendor events power9: Remove UTF-8 characters from JSON files
2023-05-17 11:53:39 +02:00
python
perf python: Convert tracepoint.py example to python3
2022-04-01 16:19:35 -03:00
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
perf kwork: New tool to trace time properties of kernel work (such as softirq, and workqueue)
2022-07-26 16:01:24 -03:00
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
perf record: Disable debuginfod by default
2022-01-15 17:41:25 -03:00
builtin-buildid-list.c
perf buildid-list: Add a "-m" option to show kernel and modules build-ids
2022-07-18 16:35:34 -03:00
builtin-c2c.c
perf mem/c2c: Set PERF_SAMPLE_WEIGHT for LOAD_STORE events
2022-10-06 16:29:32 -03:00
builtin-config.c
…
builtin-daemon.c
…
builtin-data.c
perf data: Don't mention --to-ctf if it's not supported
2022-02-22 21:23:08 -03:00
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
perf kvm: Fix subcommand matching error
2022-08-10 10:44:02 -03:00
builtin-kwork.c
perf kwork: Implement BPF trace
2022-07-26 16:31:54 -03:00
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
perf mem: Fix -C option behavior for perf mem record
2022-10-14 12:21:34 -03:00
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
perf sched: Factor out destroy_tasks()
2022-10-04 08:55:21 -03:00
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
perf timechart: Add p_state_end helper
2022-10-04 08:55:21 -03:00
builtin-top.c
perf top: Fix error code in cmd_top()
2022-10-04 08:55:22 -03:00
builtin-trace.c
perf build: Properly guard libbpf includes
2023-01-18 11:58:31 +01:00
builtin-version.c
perf version: Add HAVE_DEBUGINFOD_SUPPORT to built-in features
2022-04-20 13:32:09 -03:00
builtin.h
perf kwork: New tool to trace time properties of kernel work (such as softirq, and workqueue)
2022-07-26 16:01:24 -03:00
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
perf kwork: New tool to trace time properties of kernel work (such as softirq, and workqueue)
2022-07-26 16:01:24 -03:00
CREDITS
…
design.txt
…
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
perf test: Add arm64 asm pureloop test shell script
2022-10-06 14:50:49 -03:00
MANIFEST
…
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 tools: Add same_cmd_with_prefix() helper
2022-10-04 08:55:21 -03:00
perf.h
…