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0dd5041c9a
struct addr_location holds references to multiple reference counted objects. Add init/exit functions to make maintenance of those more consistent with the rest of the code and to try to avoid leaks. Modification of thread reference counts isn't included in this change. Committer notes: I needed to initialize result to sample->ip to make sure is set to something, fixing a compile time error, mostly keeping the previous logic as build_alloc_func_list() already does debugging/error prints about what went wrong if it takes the 'goto out'. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ali Saidi <alisaidi@amazon.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Cc: Brian Robbins <brianrob@linux.microsoft.com> Cc: Changbin Du <changbin.du@huawei.com> Cc: Dmitrii Dolgov <9erthalion6@gmail.com> Cc: Fangrui Song <maskray@google.com> Cc: German Gomez <german.gomez@arm.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ivan Babrou <ivan@cloudflare.com> Cc: James Clark <james.clark@arm.com> Cc: Jing Zhang <renyu.zj@linux.alibaba.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: K Prateek Nayak <kprateek.nayak@amd.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Miguel Ojeda <ojeda@kernel.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@amd.com> Cc: Sean Christopherson <seanjc@google.com> Cc: Steinar H. Gunderson <sesse@google.com> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Wenyu Liu <liuwenyu7@huawei.com> Cc: Will Deacon <will@kernel.org> Cc: Yang Jihong <yangjihong1@huawei.com> Cc: Ye Xingchen <ye.xingchen@zte.com.cn> Cc: Yuan Can <yuancan@huawei.com> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20230608232823.4027869-7-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
44 lines
1 KiB
C
44 lines
1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include "addr_location.h"
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#include "map.h"
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#include "maps.h"
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#include "thread.h"
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void addr_location__init(struct addr_location *al)
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{
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al->thread = NULL;
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al->maps = NULL;
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al->map = NULL;
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al->sym = NULL;
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al->srcline = NULL;
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al->addr = 0;
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al->level = 0;
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al->filtered = 0;
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al->cpumode = 0;
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al->cpu = 0;
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al->socket = 0;
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}
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/*
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* The preprocess_sample method will return with reference counts for the
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* in it, when done using (and perhaps getting ref counts if needing to
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* keep a pointer to one of those entries) it must be paired with
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* addr_location__put(), so that the refcounts can be decremented.
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*/
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void addr_location__exit(struct addr_location *al)
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{
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map__zput(al->map);
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thread__zput(al->thread);
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maps__zput(al->maps);
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}
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void addr_location__copy(struct addr_location *dst, struct addr_location *src)
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{
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thread__put(dst->thread);
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maps__put(dst->maps);
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map__put(dst->map);
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*dst = *src;
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dst->thread = thread__get(src->thread);
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dst->maps = maps__get(src->maps);
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dst->map = map__get(src->map);
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}
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