Commit-ID: 4291bf5cb93918232f88a3a70d8f70a72fbb6ab0 Gitweb: https://git.kernel.org/tip/4291bf5cb93918232f88a3a70d8f70a72fbb6ab0 Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> AuthorDate: Sat, 20 Oct 2018 09:18:50 -0300 Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> CommitDate: Mon, 22 Oct 2018 12:37:51 -0300 perf trace: Drop addr_location refcounts When we use machine__resolve() we grab a reference to addr_location.thread (and in the future to other elements there) via machine__findnew_thread(), so we must pair that with addr_location__put(), else we'll never drop that thread when it exits and no other remaining data structures have pointers to it. Fix it. Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx> Cc: David Ahern <dsahern@xxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Namhyung Kim <namhyung@xxxxxxxxxx> Cc: Wang Nan <wangnan0@xxxxxxxxxx> Link: https://lkml.kernel.org/n/tip-ivg9hifzeuokb1f5jxc2wob4@xxxxxxxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> --- tools/perf/builtin-trace.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 74638034861c..77b8748ad5ed 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1814,12 +1814,14 @@ static int trace__resolve_callchain(struct trace *trace, struct perf_evsel *evse int max_stack = evsel->attr.sample_max_stack ? evsel->attr.sample_max_stack : trace->max_stack; + int err; - if (machine__resolve(trace->host, &al, sample) < 0 || - thread__resolve_callchain(al.thread, cursor, evsel, sample, NULL, NULL, max_stack)) + if (machine__resolve(trace->host, &al, sample) < 0) return -1; - return 0; + err = thread__resolve_callchain(al.thread, cursor, evsel, sample, NULL, NULL, max_stack); + addr_location__put(&al); + return err; } static int trace__fprintf_callchain(struct trace *trace, struct perf_sample *sample)
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