perf machine: Make delete_threads part of machine__exit

The code required threads to be deleted before machine__exit was
called or the threads would be leaked. This was error prone so move
the delete_threads into machine__exit.

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/20230608232823.4027869-9-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
index 2a7b2b6..ed38151 100644 (file)
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -721,7 +721,6 @@ out_err:
        evlist__delete(evlist);
        perf_cpu_map__put(cpus);
        perf_thread_map__put(threads);
-       machine__delete_threads(machine);
        machine__delete(machine);
 
        return err;

diff --git a/tools/perf/tests/dwarf-unwind.c b/tools/perf/tests/dwarf-unwind.c
index ee983b6..d01aa93 100644 (file)
--- a/tools/perf/tests/dwarf-unwind.c
+++ b/tools/perf/tests/dwarf-unwind.c
@@ -235,7 +235,6 @@ noinline int test__dwarf_unwind(struct test_suite *test __maybe_unused,
        thread__put(thread);
 
  out:
-       machine__delete_threads(machine);
        machine__delete(machine);
        return err;
 }

diff --git a/tools/perf/tests/mmap-thread-lookup.c b/tools/perf/tests/mmap-thread-lookup.c
index 3891a2a..ddd1da9 100644 (file)
--- a/tools/perf/tests/mmap-thread-lookup.c
+++ b/tools/perf/tests/mmap-thread-lookup.c
@@ -208,7 +208,6 @@ static int mmap_events(synth_cb synth)
                addr_location__exit(&al);
        }
 
-       machine__delete_threads(machine);
        machine__delete(machine);
        return err;
 }

diff --git a/tools/perf/tests/symbols.c b/tools/perf/tests/symbols.c
index 2d1aa42..16e1c55 100644 (file)
--- a/tools/perf/tests/symbols.c
+++ b/tools/perf/tests/symbols.c
@@ -38,7 +38,6 @@ static int init_test_info(struct test_info *ti)
 static void exit_test_info(struct test_info *ti)
 {
        thread__put(ti->thread);
-       machine__delete_threads(ti->machine);
        machine__delete(ti->machine);
 }
 

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 2611887..46af5e9 100644 (file)
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -256,6 +256,7 @@ void machine__exit(struct machine *machine)
        zfree(&machine->current_tid);
        zfree(&machine->kallsyms_filename);
 
+       machine__delete_threads(machine);
        for (i = 0; i < THREADS__TABLE_SIZE; i++) {
                struct threads *threads = &machine->threads[i];
 

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 65ac9f7..00d18c7 100644 (file)
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -278,11 +278,6 @@ struct perf_session *__perf_session__new(struct perf_data *data,
        return ERR_PTR(ret);
 }
 
-static void perf_session__delete_threads(struct perf_session *session)
-{
-       machine__delete_threads(&session->machines.host);
-}
-
 static void perf_decomp__release_events(struct decomp *next)
 {
        struct decomp *decomp;
@@ -305,7 +300,6 @@ void perf_session__delete(struct perf_session *session)
        auxtrace__free(session);
        auxtrace_index__free(&session->auxtrace_index);
        perf_session__destroy_kernel_maps(session);
-       perf_session__delete_threads(session);
        perf_decomp__release_events(session->decomp_data.decomp);
        perf_env__exit(&session->header.env);
        machines__exit(&session->machines);