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Message-Id: <20221003070723.822004135@linuxfoundation.org> Date: Mon, 3 Oct 2022 09:11:38 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Ian Rogers <irogers@...gle.com>, Andi Kleen <ak@...ux.intel.com>, Adrian Hunter <adrian.hunter@...el.com>, Alexander Antonov <alexander.antonov@...ux.intel.com>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Andrew Kilroy <andrew.kilroy@....com>, Andrew Morton <akpm@...ux-foundation.org>, Changbin Du <changbin.du@...el.com>, Denys Zagorui <dzagorui@...co.com>, Fabian Hemmer <copy@...y.sh>, Felix Fietkau <nbd@....name>, Heiko Carstens <hca@...ux.ibm.com>, Ingo Molnar <mingo@...hat.com>, Jacob Keller <jacob.e.keller@...el.com>, Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>, Jin Yao <yao.jin@...ux.intel.com>, Jiri Olsa <jolsa@...hat.com>, Joakim Zhang <qiangqing.zhang@....com>, John Garry <john.garry@...wei.com>, Kajol Jain <kjain@...ux.ibm.com>, Kan Liang <kan.liang@...ux.intel.com>, Kees Kook <keescook@...omium.org>, Mark Rutland <mark.rutland@....com>, Namhyung Kim <namhyung@...nel.org>, Nicholas Fraser <nfraser@...eweavers.com>, Nick Desaulniers <ndesaulniers@...gle.com>, Paul Clarke <pc@...ibm.com>, Peter Zijlstra <peterz@...radead.org>, Riccardo Mancini <rickyman7@...il.com>, Sami Tolvanen <samitolvanen@...gle.com>, ShihCheng Tu <mrtoastcheng@...il.com>, Song Liu <songliubraving@...com>, Stephane Eranian <eranian@...gle.com>, Sumanth Korikkar <sumanthk@...ux.ibm.com>, Thomas Richter <tmricht@...ux.ibm.com>, Wan Jiabing <wanjiabing@...o.com>, Zhen Lei <thunder.leizhen@...wei.com>, Arnaldo Carvalho de Melo <acme@...hat.com>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.15 73/83] perf parse-events: Add const to evsel name From: Ian Rogers <irogers@...gle.com> [ Upstream commit 8e8bbfb311a26a17834f1839e15e2c29ea5e58c6 ] The evsel name is strdup-ed before assignment and so can be const. A later change will add another similar string. Using const makes it clearer that these are not out arguments. Signed-off-by: Ian Rogers <irogers@...gle.com> Acked-by: Andi Kleen <ak@...ux.intel.com> Cc: Adrian Hunter <adrian.hunter@...el.com> Cc: Alexander Antonov <alexander.antonov@...ux.intel.com> Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com> Cc: Andrew Kilroy <andrew.kilroy@....com> Cc: Andrew Morton <akpm@...ux-foundation.org> Cc: Changbin Du <changbin.du@...el.com> Cc: Denys Zagorui <dzagorui@...co.com> Cc: Fabian Hemmer <copy@...y.sh> Cc: Felix Fietkau <nbd@....name> Cc: Heiko Carstens <hca@...ux.ibm.com> Cc: Ingo Molnar <mingo@...hat.com> Cc: Jacob Keller <jacob.e.keller@...el.com> Cc: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com> Cc: Jin Yao <yao.jin@...ux.intel.com> Cc: Jiri Olsa <jolsa@...hat.com> Cc: Joakim Zhang <qiangqing.zhang@....com> Cc: John Garry <john.garry@...wei.com> Cc: Kajol Jain <kjain@...ux.ibm.com> Cc: Kan Liang <kan.liang@...ux.intel.com> Cc: Kees Kook <keescook@...omium.org> Cc: Mark Rutland <mark.rutland@....com> Cc: Namhyung Kim <namhyung@...nel.org> Cc: Nicholas Fraser <nfraser@...eweavers.com> Cc: Nick Desaulniers <ndesaulniers@...gle.com> Cc: Paul Clarke <pc@...ibm.com> Cc: Peter Zijlstra <peterz@...radead.org> Cc: Riccardo Mancini <rickyman7@...il.com> Cc: Sami Tolvanen <samitolvanen@...gle.com> Cc: ShihCheng Tu <mrtoastcheng@...il.com> Cc: Song Liu <songliubraving@...com> Cc: Stephane Eranian <eranian@...gle.com> Cc: Sumanth Korikkar <sumanthk@...ux.ibm.com> Cc: Thomas Richter <tmricht@...ux.ibm.com> Cc: Wan Jiabing <wanjiabing@...o.com> Cc: Zhen Lei <thunder.leizhen@...wei.com> Link: https://lore.kernel.org/r/20211015172132.1162559-14-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com> Stable-dep-of: 71c86cda750b ("perf parse-events: Remove "not supported" hybrid cache events") Signed-off-by: Sasha Levin <sashal@...nel.org> --- tools/perf/util/parse-events-hybrid.c | 15 +++++++++------ tools/perf/util/parse-events-hybrid.h | 6 ++++-- tools/perf/util/parse-events.c | 15 ++++++++------- tools/perf/util/parse-events.h | 7 ++++--- tools/perf/util/pmu.c | 2 +- tools/perf/util/pmu.h | 2 +- 6 files changed, 27 insertions(+), 20 deletions(-) diff --git a/tools/perf/util/parse-events-hybrid.c b/tools/perf/util/parse-events-hybrid.c index b234d95fb10a..7e44deee1343 100644 --- a/tools/perf/util/parse-events-hybrid.c +++ b/tools/perf/util/parse-events-hybrid.c @@ -38,7 +38,7 @@ static void config_hybrid_attr(struct perf_event_attr *attr, static int create_event_hybrid(__u32 config_type, int *idx, struct list_head *list, - struct perf_event_attr *attr, char *name, + struct perf_event_attr *attr, const char *name, struct list_head *config_terms, struct perf_pmu *pmu) { @@ -70,7 +70,7 @@ static int pmu_cmp(struct parse_events_state *parse_state, static int add_hw_hybrid(struct parse_events_state *parse_state, struct list_head *list, struct perf_event_attr *attr, - char *name, struct list_head *config_terms) + const char *name, struct list_head *config_terms) { struct perf_pmu *pmu; int ret; @@ -94,7 +94,8 @@ static int add_hw_hybrid(struct parse_events_state *parse_state, } static int create_raw_event_hybrid(int *idx, struct list_head *list, - struct perf_event_attr *attr, char *name, + struct perf_event_attr *attr, + const char *name, struct list_head *config_terms, struct perf_pmu *pmu) { @@ -113,7 +114,7 @@ static int create_raw_event_hybrid(int *idx, struct list_head *list, static int add_raw_hybrid(struct parse_events_state *parse_state, struct list_head *list, struct perf_event_attr *attr, - char *name, struct list_head *config_terms) + const char *name, struct list_head *config_terms) { struct perf_pmu *pmu; int ret; @@ -138,7 +139,8 @@ static int add_raw_hybrid(struct parse_events_state *parse_state, int parse_events__add_numeric_hybrid(struct parse_events_state *parse_state, struct list_head *list, struct perf_event_attr *attr, - char *name, struct list_head *config_terms, + const char *name, + struct list_head *config_terms, bool *hybrid) { *hybrid = false; @@ -159,7 +161,8 @@ int parse_events__add_numeric_hybrid(struct parse_events_state *parse_state, } int parse_events__add_cache_hybrid(struct list_head *list, int *idx, - struct perf_event_attr *attr, char *name, + struct perf_event_attr *attr, + const char *name, struct list_head *config_terms, bool *hybrid, struct parse_events_state *parse_state) diff --git a/tools/perf/util/parse-events-hybrid.h b/tools/perf/util/parse-events-hybrid.h index f33bd67aa851..25a4a4f73f3a 100644 --- a/tools/perf/util/parse-events-hybrid.h +++ b/tools/perf/util/parse-events-hybrid.h @@ -11,11 +11,13 @@ int parse_events__add_numeric_hybrid(struct parse_events_state *parse_state, struct list_head *list, struct perf_event_attr *attr, - char *name, struct list_head *config_terms, + const char *name, + struct list_head *config_terms, bool *hybrid); int parse_events__add_cache_hybrid(struct list_head *list, int *idx, - struct perf_event_attr *attr, char *name, + struct perf_event_attr *attr, + const char *name, struct list_head *config_terms, bool *hybrid, struct parse_events_state *parse_state); diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index b93a36ffeb9e..aaeebf0752b7 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -347,7 +347,7 @@ static int parse_events__is_name_term(struct parse_events_term *term) return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME; } -static char *get_config_name(struct list_head *head_terms) +static const char *get_config_name(struct list_head *head_terms) { struct parse_events_term *term; @@ -365,7 +365,7 @@ static struct evsel * __add_event(struct list_head *list, int *idx, struct perf_event_attr *attr, bool init_attr, - char *name, struct perf_pmu *pmu, + const char *name, struct perf_pmu *pmu, struct list_head *config_terms, bool auto_merge_stats, const char *cpu_list) { @@ -404,14 +404,14 @@ __add_event(struct list_head *list, int *idx, } struct evsel *parse_events__add_event(int idx, struct perf_event_attr *attr, - char *name, struct perf_pmu *pmu) + const char *name, struct perf_pmu *pmu) { return __add_event(NULL, &idx, attr, false, name, pmu, NULL, false, NULL); } static int add_event(struct list_head *list, int *idx, - struct perf_event_attr *attr, char *name, + struct perf_event_attr *attr, const char *name, struct list_head *config_terms) { return __add_event(list, idx, attr, true, name, NULL, config_terms, @@ -474,7 +474,8 @@ int parse_events_add_cache(struct list_head *list, int *idx, { struct perf_event_attr attr; LIST_HEAD(config_terms); - char name[MAX_NAME_LEN], *config_name; + char name[MAX_NAME_LEN]; + const char *config_name; int cache_type = -1, cache_op = -1, cache_result = -1; char *op_result[2] = { op_result1, op_result2 }; int i, n, ret; @@ -2038,7 +2039,7 @@ int parse_events__modifier_event(struct list_head *list, char *str, bool add) return 0; } -int parse_events_name(struct list_head *list, char *name) +int parse_events_name(struct list_head *list, const char *name) { struct evsel *evsel; @@ -3295,7 +3296,7 @@ char *parse_events_formats_error_string(char *additional_terms) struct evsel *parse_events__add_event_hybrid(struct list_head *list, int *idx, struct perf_event_attr *attr, - char *name, struct perf_pmu *pmu, + const char *name, struct perf_pmu *pmu, struct list_head *config_terms) { return __add_event(list, idx, attr, true, name, pmu, diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index bf6e41aa9b6a..6ef506c1b29e 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -162,7 +162,7 @@ void parse_events_terms__purge(struct list_head *terms); void parse_events__clear_array(struct parse_events_array *a); int parse_events__modifier_event(struct list_head *list, char *str, bool add); int parse_events__modifier_group(struct list_head *list, char *event_mod); -int parse_events_name(struct list_head *list, char *name); +int parse_events_name(struct list_head *list, const char *name); int parse_events_add_tracepoint(struct list_head *list, int *idx, const char *sys, const char *event, struct parse_events_error *error, @@ -200,7 +200,7 @@ int parse_events_add_pmu(struct parse_events_state *parse_state, bool use_alias); struct evsel *parse_events__add_event(int idx, struct perf_event_attr *attr, - char *name, struct perf_pmu *pmu); + const char *name, struct perf_pmu *pmu); int parse_events_multi_pmu_add(struct parse_events_state *parse_state, char *str, @@ -267,7 +267,8 @@ int perf_pmu__test_parse_init(void); struct evsel *parse_events__add_event_hybrid(struct list_head *list, int *idx, struct perf_event_attr *attr, - char *name, struct perf_pmu *pmu, + const char *name, + struct perf_pmu *pmu, struct list_head *config_terms); #endif /* __PERF_PARSE_EVENTS_H */ diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index bdabd62170d2..c647b3633d1d 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -1906,7 +1906,7 @@ int perf_pmu__caps_parse(struct perf_pmu *pmu) } void perf_pmu__warn_invalid_config(struct perf_pmu *pmu, __u64 config, - char *name) + const char *name) { struct perf_pmu_format *format; __u64 masks = 0, bits; diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index 394898b07fd9..dd0736de32c8 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -134,7 +134,7 @@ int perf_pmu__convert_scale(const char *scale, char **end, double *sval); int perf_pmu__caps_parse(struct perf_pmu *pmu); void perf_pmu__warn_invalid_config(struct perf_pmu *pmu, __u64 config, - char *name); + const char *name); bool perf_pmu__has_hybrid(void); int perf_pmu__match(char *pattern, char *name, char *tok); -- 2.35.1
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