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AJvYcCWdslFs+RqKiXCeank0O3a/tlnKnrv/2Bc8uYWhbBwFM+1ib0i42Xd+c+YIZs/TAvzv7lrmEQMc7TduaSY=@vger.kernel.org X-Gm-Message-State: AOJu0YxCDEVrb9h/8681aoa0N8oXNYnp3a85N89OxvUk9lcgEnMnRyVt BnxXOCDtB7exU6Nf84kwWy9LsWMtdJRSazEWUhsYnKhHjQY+WFgjTOSW0tN6UML4WyeBIVcMnqT y8aBGRQ== X-Google-Smtp-Source: AGHT+IGRlVl7Gw//953kKsnqnEm7y8Rwpz1NXG8HWXbHdCQFY9o6z5zJFDv6lHgSfJyidVHvfm/4CNW4I8zo X-Received: from irogers.svl.corp.google.com ([2620:15c:2c5:11:ef29:15ce:a42a:b69f]) (user=irogers job=sendgmr) by 2002:a25:8209:0:b0:e5b:f74:f5a with SMTP id 3f1490d57ef6-e63f65f1718mr7472276.8.1742268745758; Mon, 17 Mar 2025 20:32:25 -0700 (PDT) Date: Mon, 17 Mar 2025 20:31:50 -0700 In-Reply-To: <20250318033150.119174-1-irogers@google.com> Message-Id: <20250318033150.119174-14-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250318033150.119174-1-irogers@google.com> X-Mailer: git-send-email 2.49.0.rc1.451.g8f38331e32-goog Subject: [PATCH v6 13/13] perf trace: Fix BTF memory leak From: Ian Rogers To: Ian Rogers , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Adrian Hunter , Kan Liang , John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan , guoren , Paul Walmsley , Palmer Dabbelt , Albert Ou , Charlie Jenkins , Bibo Mao , Huacai Chen , Catalin Marinas , Jiri Slaby , "=?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?=" , Howard Chu , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org, "linux-csky@vger.kernel.org" , linux-riscv@lists.infradead.org, Arnd Bergmann Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add missing btf__free in trace__exit. Signed-off-by: Ian Rogers --- tools/perf/builtin-trace.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index a5f31472980b..d4bbb6a1e817 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -5339,6 +5339,12 @@ static void trace__exit(struct trace *trace) zfree(&trace->syscalls.table); } zfree(&trace->perfconfig_events); +#ifdef HAVE_LIBBPF_SUPPORT + if (trace->btf !=3D NULL) { + btf__free(trace->btf); + trace->btf =3D NULL; + } +#endif } =20 #ifdef HAVE_BPF_SKEL --=20 2.49.0.rc1.451.g8f38331e32-goog