Re: [PATCH] perf: event: Remove deadcode

From: Ian Rogers
Date: Mon Nov 04 2024 - 15:37:13 EST


On Sun, Nov 3, 2024 at 6:23 AM <linux@xxxxxxxxxxx> wrote:
>
> From: "Dr. David Alan Gilbert" <linux@xxxxxxxxxxx>
>
> event_format__print() last use was removed by 2017's
> commit 894f3f1732cb ("perf script: Use event_format__fprintf()")
>
> evlist__find_tracepoint_by_id() last use was removed by 2012's
> commit e60fc847cefa ("perf evlist: Remove some unused methods")
>
> evlist__set_tp_filter_pid() last use was removed by 2017's
> commit dd1a50377c92 ("perf trace: Introduce filter_loop_pids()")
>
> Remove them.
>
> Signed-off-by: Dr. David Alan Gilbert <linux@xxxxxxxxxxx>

Reviewed-by: Ian Rogers <irogers@xxxxxxxxxx>

Thanks,
Ian

> ---
> tools/perf/util/evlist.c | 18 ------------------
> tools/perf/util/evlist.h | 2 --
> tools/perf/util/trace-event-parse.c | 6 ------
> tools/perf/util/trace-event.h | 3 ---
> 4 files changed, 29 deletions(-)
>
> diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
> index f14b7e6ff1dc..4b992a3f2985 100644
> --- a/tools/perf/util/evlist.c
> +++ b/tools/perf/util/evlist.c
> @@ -362,19 +362,6 @@ __weak int arch_evlist__add_default_attrs(struct evlist *evlist,
> return __evlist__add_default_attrs(evlist, attrs, nr_attrs);
> }
>
> -struct evsel *evlist__find_tracepoint_by_id(struct evlist *evlist, int id)
> -{
> - struct evsel *evsel;
> -
> - evlist__for_each_entry(evlist, evsel) {
> - if (evsel->core.attr.type == PERF_TYPE_TRACEPOINT &&
> - (int)evsel->core.attr.config == id)
> - return evsel;
> - }
> -
> - return NULL;
> -}
> -
> struct evsel *evlist__find_tracepoint_by_name(struct evlist *evlist, const char *name)
> {
> struct evsel *evsel;
> @@ -1199,11 +1186,6 @@ int evlist__set_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids)
> return ret;
> }
>
> -int evlist__set_tp_filter_pid(struct evlist *evlist, pid_t pid)
> -{
> - return evlist__set_tp_filter_pids(evlist, 1, &pid);
> -}
> -
> int evlist__append_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids)
> {
> char *filter = asprintf__tp_filter_pids(npids, pids);
> diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
> index bcc1c6984bb5..ff73908e2178 100644
> --- a/tools/perf/util/evlist.h
> +++ b/tools/perf/util/evlist.h
> @@ -144,7 +144,6 @@ int __evlist__set_tracepoints_handlers(struct evlist *evlist,
> __evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array))
>
> int evlist__set_tp_filter(struct evlist *evlist, const char *filter);
> -int evlist__set_tp_filter_pid(struct evlist *evlist, pid_t pid);
> int evlist__set_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids);
>
> int evlist__append_tp_filter(struct evlist *evlist, const char *filter);
> @@ -152,7 +151,6 @@ int evlist__append_tp_filter(struct evlist *evlist, const char *filter);
> int evlist__append_tp_filter_pid(struct evlist *evlist, pid_t pid);
> int evlist__append_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids);
>
> -struct evsel *evlist__find_tracepoint_by_id(struct evlist *evlist, int id);
> struct evsel *evlist__find_tracepoint_by_name(struct evlist *evlist, const char *name);
>
> int evlist__add_pollfd(struct evlist *evlist, int fd);
> diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
> index f0332bd3a501..d97830cdbd7e 100644
> --- a/tools/perf/util/trace-event-parse.c
> +++ b/tools/perf/util/trace-event-parse.c
> @@ -116,12 +116,6 @@ void event_format__fprintf(struct tep_event *event,
> trace_seq_destroy(&s);
> }
>
> -void event_format__print(struct tep_event *event,
> - int cpu, void *data, int size)
> -{
> - return event_format__fprintf(event, cpu, data, size, stdout);
> -}
> -
> /*
> * prev_state is of size long, which is 32 bits on 32 bit architectures.
> * As it needs to have the same bits for both 32 bit and 64 bit architectures
> diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
> index bbf8b26bc8da..0e5133f1b910 100644
> --- a/tools/perf/util/trace-event.h
> +++ b/tools/perf/util/trace-event.h
> @@ -42,9 +42,6 @@ struct tep_event *trace_event__tp_format_id(int id);
> void event_format__fprintf(struct tep_event *event,
> int cpu, void *data, int size, FILE *fp);
>
> -void event_format__print(struct tep_event *event,
> - int cpu, void *data, int size);
> -
> int parse_ftrace_file(struct tep_handle *pevent, char *buf, unsigned long size);
> int parse_event_file(struct tep_handle *pevent,
> char *buf, unsigned long size, char *sys);
> --
> 2.47.0
>