437822bf38
The test_generic_metric() missed to release entries in the pctx. Asan
reported following leak (and more):
Direct leak of 128 byte(s) in 1 object(s) allocated from:
#0 0x7f4c9396980e in calloc (/lib/x86_64-linux-gnu/libasan.so.5+0x10780e)
#1 0x55f7e748cc14 in hashmap_grow (/home/namhyung/project/linux/tools/perf/perf+0x90cc14)
#2 0x55f7e748d497 in hashmap__insert (/home/namhyung/project/linux/tools/perf/perf+0x90d497)
#3 0x55f7e7341667 in hashmap__set /home/namhyung/project/linux/tools/perf/util/hashmap.h:111
#4 0x55f7e7341667 in expr__add_ref util/expr.c:120
#5 0x55f7e7292436 in prepare_metric util/stat-shadow.c:783
#6 0x55f7e729556d in test_generic_metric util/stat-shadow.c:858
#7 0x55f7e712390b in compute_single tests/parse-metric.c:128
#8 0x55f7e712390b in __compute_metric tests/parse-metric.c:180
#9 0x55f7e712446d in compute_metric tests/parse-metric.c:196
#10 0x55f7e712446d in test_dcache_l2 tests/parse-metric.c:295
#11 0x55f7e712446d in test__parse_metric tests/parse-metric.c:355
#12 0x55f7e70be09b in run_test tests/builtin-test.c:410
#13 0x55f7e70be09b in test_and_print tests/builtin-test.c:440
#14 0x55f7e70c101a in __cmd_test tests/builtin-test.c:661
#15 0x55f7e70c101a in cmd_test tests/builtin-test.c:807
#16 0x55f7e7126214 in run_builtin /home/namhyung/project/linux/tools/perf/perf.c:312
#17 0x55f7e6fc41a8 in handle_internal_command /home/namhyung/project/linux/tools/perf/perf.c:364
#18 0x55f7e6fc41a8 in run_argv /home/namhyung/project/linux/tools/perf/perf.c:408
#19 0x55f7e6fc41a8 in main /home/namhyung/project/linux/tools/perf/perf.c:538
#20 0x7f4c93492cc9 in __libc_start_main ../csu/libc-start.c:308
Fixes: 6d432c4c8aa56 ("perf tools: Add test_generic_metric function")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20200915031819.386559-8-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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