From: Jiri Olsa <jolsa@redhat.com>
To: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Namhyung Kim <namhyung@kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
Yonghong Song <yhs@fb.com>, Andi Kleen <ak@linux.intel.com>,
Jin Yao <yao.jin@linux.intel.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Kan Liang <kan.liang@linux.intel.com>,
John Garry <john.garry@huawei.com>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
bpf@vger.kernel.org, clang-built-linux@googlegroups.com,
Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH v2 4/9] perf tools: move ALLOC_LIST into a function
Date: Wed, 23 Oct 2019 10:55:59 +0200 [thread overview]
Message-ID: <20191023085559.GF22919@krava> (raw)
In-Reply-To: <20191023005337.196160-5-irogers@google.com>
On Tue, Oct 22, 2019 at 05:53:32PM -0700, Ian Rogers wrote:
> Having a YYABORT in a macro makes it hard to free memory for components
> of a rule. Separate the logic out.
Acked-by: Jiri Olsa <jolsa@kernel.org>
thanks,
jirka
>
> Signed-off-by: Ian Rogers <irogers@google.com>
> ---
> tools/perf/util/parse-events.y | 65 ++++++++++++++++++++++------------
> 1 file changed, 43 insertions(+), 22 deletions(-)
>
> diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
> index 27d6b187c9b1..26cb65798522 100644
> --- a/tools/perf/util/parse-events.y
> +++ b/tools/perf/util/parse-events.y
> @@ -25,12 +25,17 @@ do { \
> YYABORT; \
> } while (0)
>
> -#define ALLOC_LIST(list) \
> -do { \
> - list = malloc(sizeof(*list)); \
> - ABORT_ON(!list); \
> - INIT_LIST_HEAD(list); \
> -} while (0)
> +static struct list_head* alloc_list()
> +{
> + struct list_head *list;
> +
> + list = malloc(sizeof(*list));
> + if (!list)
> + return NULL;
> +
> + INIT_LIST_HEAD(list);
> + return list;
> +}
>
> static void inc_group_count(struct list_head *list,
> struct parse_events_state *parse_state)
> @@ -238,7 +243,8 @@ PE_NAME opt_pmu_config
> if (error)
> error->idx = @1.first_column;
>
> - ALLOC_LIST(list);
> + list = alloc_list();
> + ABORT_ON(!list);
> if (parse_events_add_pmu(_parse_state, list, $1, $2, false, false)) {
> struct perf_pmu *pmu = NULL;
> int ok = 0;
> @@ -306,7 +312,8 @@ value_sym '/' event_config '/'
> int type = $1 >> 16;
> int config = $1 & 255;
>
> - ALLOC_LIST(list);
> + list = alloc_list();
> + ABORT_ON(!list);
> ABORT_ON(parse_events_add_numeric(_parse_state, list, type, config, $3));
> parse_events_terms__delete($3);
> $$ = list;
> @@ -318,7 +325,8 @@ value_sym sep_slash_slash_dc
> int type = $1 >> 16;
> int config = $1 & 255;
>
> - ALLOC_LIST(list);
> + list = alloc_list();
> + ABORT_ON(!list);
> ABORT_ON(parse_events_add_numeric(_parse_state, list, type, config, NULL));
> $$ = list;
> }
> @@ -327,7 +335,8 @@ PE_VALUE_SYM_TOOL sep_slash_slash_dc
> {
> struct list_head *list;
>
> - ALLOC_LIST(list);
> + list = alloc_list();
> + ABORT_ON(!list);
> ABORT_ON(parse_events_add_tool(_parse_state, list, $1));
> $$ = list;
> }
> @@ -339,7 +348,8 @@ PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT opt_e
> struct parse_events_error *error = parse_state->error;
> struct list_head *list;
>
> - ALLOC_LIST(list);
> + list = alloc_list();
> + ABORT_ON(!list);
> ABORT_ON(parse_events_add_cache(list, &parse_state->idx, $1, $3, $5, error, $6));
> parse_events_terms__delete($6);
> $$ = list;
> @@ -351,7 +361,8 @@ PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT opt_event_config
> struct parse_events_error *error = parse_state->error;
> struct list_head *list;
>
> - ALLOC_LIST(list);
> + list = alloc_list();
> + ABORT_ON(!list);
> ABORT_ON(parse_events_add_cache(list, &parse_state->idx, $1, $3, NULL, error, $4));
> parse_events_terms__delete($4);
> $$ = list;
> @@ -363,7 +374,8 @@ PE_NAME_CACHE_TYPE opt_event_config
> struct parse_events_error *error = parse_state->error;
> struct list_head *list;
>
> - ALLOC_LIST(list);
> + list = alloc_list();
> + ABORT_ON(!list);
> ABORT_ON(parse_events_add_cache(list, &parse_state->idx, $1, NULL, NULL, error, $2));
> parse_events_terms__delete($2);
> $$ = list;
> @@ -375,7 +387,8 @@ PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc
> struct parse_events_state *parse_state = _parse_state;
> struct list_head *list;
>
> - ALLOC_LIST(list);
> + list = alloc_list();
> + ABORT_ON(!list);
> ABORT_ON(parse_events_add_breakpoint(list, &parse_state->idx,
> (void *) $2, $6, $4));
> $$ = list;
> @@ -386,7 +399,8 @@ PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc
> struct parse_events_state *parse_state = _parse_state;
> struct list_head *list;
>
> - ALLOC_LIST(list);
> + list = alloc_list();
> + ABORT_ON(!list);
> ABORT_ON(parse_events_add_breakpoint(list, &parse_state->idx,
> (void *) $2, NULL, $4));
> $$ = list;
> @@ -397,7 +411,8 @@ PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
> struct parse_events_state *parse_state = _parse_state;
> struct list_head *list;
>
> - ALLOC_LIST(list);
> + list = alloc_list();
> + ABORT_ON(!list);
> ABORT_ON(parse_events_add_breakpoint(list, &parse_state->idx,
> (void *) $2, $4, 0));
> $$ = list;
> @@ -408,7 +423,8 @@ PE_PREFIX_MEM PE_VALUE sep_dc
> struct parse_events_state *parse_state = _parse_state;
> struct list_head *list;
>
> - ALLOC_LIST(list);
> + list = alloc_list();
> + ABORT_ON(!list);
> ABORT_ON(parse_events_add_breakpoint(list, &parse_state->idx,
> (void *) $2, NULL, 0));
> $$ = list;
> @@ -421,7 +437,8 @@ tracepoint_name opt_event_config
> struct parse_events_error *error = parse_state->error;
> struct list_head *list;
>
> - ALLOC_LIST(list);
> + list = alloc_list();
> + ABORT_ON(!list);
> if (error)
> error->idx = @1.first_column;
>
> @@ -457,7 +474,8 @@ PE_VALUE ':' PE_VALUE opt_event_config
> {
> struct list_head *list;
>
> - ALLOC_LIST(list);
> + list = alloc_list();
> + ABORT_ON(!list);
> ABORT_ON(parse_events_add_numeric(_parse_state, list, (u32)$1, $3, $4));
> parse_events_terms__delete($4);
> $$ = list;
> @@ -468,7 +486,8 @@ PE_RAW opt_event_config
> {
> struct list_head *list;
>
> - ALLOC_LIST(list);
> + list = alloc_list();
> + ABORT_ON(!list);
> ABORT_ON(parse_events_add_numeric(_parse_state, list, PERF_TYPE_RAW, $1, $2));
> parse_events_terms__delete($2);
> $$ = list;
> @@ -480,7 +499,8 @@ PE_BPF_OBJECT opt_event_config
> struct parse_events_state *parse_state = _parse_state;
> struct list_head *list;
>
> - ALLOC_LIST(list);
> + list = alloc_list();
> + ABORT_ON(!list);
> ABORT_ON(parse_events_load_bpf(parse_state, list, $1, false, $2));
> parse_events_terms__delete($2);
> $$ = list;
> @@ -490,7 +510,8 @@ PE_BPF_SOURCE opt_event_config
> {
> struct list_head *list;
>
> - ALLOC_LIST(list);
> + list = alloc_list();
> + ABORT_ON(!list);
> ABORT_ON(parse_events_load_bpf(_parse_state, list, $1, true, $2));
> parse_events_terms__delete($2);
> $$ = list;
> --
> 2.23.0.866.gb869b98d4c-goog
>
next prev parent reply other threads:[~2019-10-23 8:56 UTC|newest]
Thread overview: 101+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20191017170531.171244-1-irogers@google.com>
2019-10-23 0:53 ` [PATCH v2 0/9] Improvements to memory usage by parse events Ian Rogers
2019-10-23 0:53 ` [PATCH v2 1/9] perf tools: add parse events append error Ian Rogers
2019-10-23 8:36 ` Jiri Olsa
2019-10-23 0:53 ` [PATCH v2 2/9] perf tools: splice events onto evlist even on error Ian Rogers
2019-10-23 8:40 ` Jiri Olsa
2019-10-23 0:53 ` [PATCH v2 3/9] perf tools: ensure config and str in terms are unique Ian Rogers
2019-10-23 8:50 ` Jiri Olsa
2019-10-23 0:53 ` [PATCH v2 4/9] perf tools: move ALLOC_LIST into a function Ian Rogers
2019-10-23 8:55 ` Jiri Olsa [this message]
2019-10-23 12:37 ` Arnaldo Carvalho de Melo
2019-11-12 11:18 ` [tip: perf/core] perf tools: Move " tip-bot2 for Ian Rogers
2019-10-23 0:53 ` [PATCH v2 5/9] perf tools: avoid a malloc for array events Ian Rogers
2019-10-23 8:58 ` Jiri Olsa
2019-10-23 12:38 ` Arnaldo Carvalho de Melo
2019-11-12 11:18 ` [tip: perf/core] perf tools: Avoid a malloc() " tip-bot2 for Ian Rogers
2019-10-23 0:53 ` [PATCH v2 6/9] perf tools: add destructors for parse event terms Ian Rogers
2019-10-23 9:01 ` Jiri Olsa
2019-10-24 19:03 ` Ian Rogers
2019-10-23 0:53 ` [PATCH v2 7/9] perf tools: before yyabort-ing free components Ian Rogers
2019-10-23 0:53 ` [PATCH v2 8/9] perf tools: if pmu configuration fails free terms Ian Rogers
2019-10-23 0:53 ` [PATCH v2 9/9] perf tools: add a deep delete for parse event terms Ian Rogers
2019-10-24 19:01 ` [PATCH v3 0/9] Improvements to memory usage by parse events Ian Rogers
2019-10-24 19:01 ` [PATCH v3 1/9] perf tools: add parse events append error Ian Rogers
2019-10-25 7:58 ` Jiri Olsa
2019-10-25 15:14 ` Ian Rogers
2019-10-28 19:32 ` Jiri Olsa
2019-10-28 21:06 ` Ian Rogers
2019-10-28 21:36 ` Jiri Olsa
2019-11-04 20:37 ` Ian Rogers
2019-10-24 19:01 ` [PATCH v3 2/9] perf tools: splice events onto evlist even on error Ian Rogers
2019-10-25 8:01 ` Jiri Olsa
2019-10-25 15:47 ` Ian Rogers
2019-10-28 21:06 ` Jiri Olsa
2019-10-24 19:01 ` [PATCH v3 3/9] perf tools: ensure config and str in terms are unique Ian Rogers
2019-10-25 8:10 ` Jiri Olsa
2019-10-25 15:52 ` Ian Rogers
2019-10-24 19:01 ` [PATCH v3 4/9] perf tools: move ALLOC_LIST into a function Ian Rogers
2019-10-24 19:01 ` [PATCH v3 5/9] perf tools: avoid a malloc for array events Ian Rogers
2019-10-24 19:01 ` [PATCH v3 6/9] perf tools: add destructors for parse event terms Ian Rogers
2019-10-25 8:27 ` Jiri Olsa
2019-10-25 16:08 ` Ian Rogers
2019-10-28 19:33 ` Jiri Olsa
2019-10-24 19:02 ` [PATCH v3 7/9] perf tools: before yyabort-ing free components Ian Rogers
2019-10-24 19:02 ` [PATCH v3 8/9] perf tools: if pmu configuration fails free terms Ian Rogers
2019-10-24 19:02 ` [PATCH v3 9/9] perf tools: add a deep delete for parse event terms Ian Rogers
2019-10-25 18:08 ` [PATCH v4 0/9] Improvements to memory usage by parse events Ian Rogers
2019-10-25 18:08 ` [PATCH v4 1/9] perf tools: add parse events handle error Ian Rogers
2019-10-25 18:08 ` [PATCH v4 2/9] perf tools: move ALLOC_LIST into a function Ian Rogers
2019-10-25 18:08 ` [PATCH v4 3/9] perf tools: avoid a malloc for array events Ian Rogers
2019-10-25 18:08 ` [PATCH v4 4/9] perf tools: splice events onto evlist even on error Ian Rogers
2019-10-28 21:07 ` Jiri Olsa
2019-10-30 11:56 ` Arnaldo Carvalho de Melo
2019-11-12 11:18 ` [tip: perf/core] perf tools: Splice " tip-bot2 for Ian Rogers
2019-10-25 18:08 ` [PATCH v4 5/9] perf tools: ensure config and str in terms are unique Ian Rogers
2019-10-25 18:08 ` [PATCH v4 6/9] perf tools: add destructors for parse event terms Ian Rogers
2019-10-25 18:08 ` [PATCH v4 7/9] perf tools: before yyabort-ing free components Ian Rogers
2019-10-25 18:08 ` [PATCH v4 8/9] perf tools: if pmu configuration fails free terms Ian Rogers
2019-10-25 18:08 ` [PATCH v4 9/9] perf tools: add a deep delete for parse event terms Ian Rogers
2019-10-30 22:34 ` [PATCH v5 00/10] Improvements to memory usage by parse events Ian Rogers
2019-10-30 22:34 ` [PATCH v5 01/10] perf tools: add parse events handle error Ian Rogers
2019-11-06 14:06 ` Jiri Olsa
2019-11-06 14:29 ` Arnaldo Carvalho de Melo
2019-11-12 11:17 ` [tip: perf/core] perf parse: Add " tip-bot2 for Ian Rogers
2019-10-30 22:34 ` [PATCH v5 02/10] perf tools: move ALLOC_LIST into a function Ian Rogers
2019-10-30 22:34 ` [PATCH v5 03/10] perf tools: avoid a malloc for array events Ian Rogers
2019-10-30 22:34 ` [PATCH v5 04/10] perf tools: splice events onto evlist even on error Ian Rogers
2019-10-30 22:34 ` [PATCH v5 05/10] perf tools: ensure config and str in terms are unique Ian Rogers
2019-11-06 14:25 ` Jiri Olsa
2019-11-06 14:31 ` Arnaldo Carvalho de Melo
2019-11-12 11:17 ` [tip: perf/core] perf parse: Ensure " tip-bot2 for Ian Rogers
2019-10-30 22:34 ` [PATCH v5 06/10] perf tools: add destructors for parse event terms Ian Rogers
2019-11-06 14:24 ` Jiri Olsa
2019-11-06 14:35 ` Arnaldo Carvalho de Melo
2019-11-12 11:17 ` [tip: perf/core] perf parse: Add " tip-bot2 for Ian Rogers
2019-10-30 22:34 ` [PATCH v5 07/10] perf tools: before yyabort-ing free components Ian Rogers
2019-11-06 14:24 ` Jiri Olsa
2019-11-06 14:37 ` Arnaldo Carvalho de Melo
2019-11-12 11:17 ` [tip: perf/core] perf parse: Before " tip-bot2 for Ian Rogers
2019-10-30 22:34 ` [PATCH v5 08/10] perf tools: if pmu configuration fails free terms Ian Rogers
2019-11-06 14:24 ` Jiri Olsa
2019-11-06 14:38 ` Arnaldo Carvalho de Melo
2019-11-12 11:17 ` [tip: perf/core] perf parse: If " tip-bot2 for Ian Rogers
2019-10-30 22:34 ` [PATCH v5 09/10] perf tools: add a deep delete for parse event terms Ian Rogers
2019-11-06 14:24 ` Jiri Olsa
2019-11-06 14:39 ` Arnaldo Carvalho de Melo
2019-11-12 11:17 ` [tip: perf/core] perf parse: Add " tip-bot2 for Ian Rogers
2019-10-30 22:34 ` [PATCH v5 10/10] perf tools: report initial event parsing error Ian Rogers
2019-11-06 14:24 ` Jiri Olsa
2019-11-07 22:14 ` [PATCH v6 00/10] Improvements to memory usage by parse events Ian Rogers
2019-11-07 22:14 ` [PATCH v6 01/10] perf tools: add parse events handle error Ian Rogers
2019-11-07 22:14 ` [PATCH v6 02/10] perf tools: move ALLOC_LIST into a function Ian Rogers
2019-11-07 22:14 ` [PATCH v6 03/10] perf tools: avoid a malloc for array events Ian Rogers
2019-11-07 22:14 ` [PATCH v6 04/10] perf tools: splice events onto evlist even on error Ian Rogers
2019-11-07 22:14 ` [PATCH v6 05/10] perf tools: ensure config and str in terms are unique Ian Rogers
2019-11-07 22:14 ` [PATCH v6 06/10] perf tools: add destructors for parse event terms Ian Rogers
2019-11-07 22:14 ` [PATCH v6 07/10] perf tools: before yyabort-ing free components Ian Rogers
2019-11-07 22:14 ` [PATCH v6 08/10] perf tools: if pmu configuration fails free terms Ian Rogers
2019-11-07 22:14 ` [PATCH v6 09/10] perf tools: add a deep delete for parse event terms Ian Rogers
2019-11-07 22:14 ` [PATCH v6 10/10] perf tools: report initial event parsing error Ian Rogers
2019-11-07 22:23 ` [PATCH v6 00/10] Improvements to memory usage by parse events Arnaldo Carvalho de Melo
2019-11-08 18:18 ` Ian Rogers
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