[tip: perf/core] perf tools: Move ALLOC_LIST into a function

From: tip-bot2 for Ian Rogers
Date: Tue Nov 12 2019 - 06:19:27 EST

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The following commit has been merged into the perf/core branch of tip:

Commit-ID: a26e47162d7670ddea4f67978ecf848dc23ef671
Gitweb: https://git.kernel.org/tip/a26e47162d7670ddea4f67978ecf848dc23ef671
Author: Ian Rogers <irogers@xxxxxxxxxx>
AuthorDate: Tue, 22 Oct 2019 17:53:32 -07:00
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitterDate: Wed, 06 Nov 2019 15:43:05 -03:00

perf tools: Move ALLOC_LIST into a function

Having a YYABORT in a macro makes it hard to free memory for components
of a rule. Separate the logic out.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Alexei Starovoitov <ast@xxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Cc: Jin Yao <yao.jin@xxxxxxxxxxxxxxx>
Cc: John Garry <john.garry@xxxxxxxxxx>
Cc: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Martin KaFai Lau <kafai@xxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Song Liu <songliubraving@xxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: Yonghong Song <yhs@xxxxxx>
Cc: bpf@xxxxxxxxxxxxxxx
Cc: clang-built-linux@xxxxxxxxxxxxxxxx
Cc: netdev@xxxxxxxxxxxxxxx
Link: http://lore.kernel.org/lkml/20191023005337.196160-5-irogers@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
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 48126ae..5863acb 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;

Next message: tip-bot2 for Adrian Hunter: "[tip: perf/core] perf data: Rename directory "header" file to "data""
Previous message: tip-bot2 for Ian Rogers: "[tip: perf/core] perf parse: Add destructors for parse event terms"
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