Re: [RFC PATCH 2/5] perf jevents: add support for arch recommended events

From: Jiri Olsa
Date: Wed Dec 06 2017 - 08:38:04 EST


On Wed, Dec 06, 2017 at 12:13:16AM +0800, John Garry wrote:

SNIP

> ---
> tools/perf/pmu-events/jevents.c | 215 ++++++++++++++++++++++++++++++++++++----
> 1 file changed, 198 insertions(+), 17 deletions(-)
>
> diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c
> index a0d489e..a820ed4 100644
> --- a/tools/perf/pmu-events/jevents.c
> +++ b/tools/perf/pmu-events/jevents.c
> @@ -42,6 +42,7 @@
> #include <dirent.h>
> #include <sys/time.h> /* getrlimit */
> #include <sys/resource.h> /* getrlimit */
> +#include <sys/queue.h>
> #include <ftw.h>
> #include <sys/stat.h>
> #include "jsmn.h"
> @@ -366,6 +367,94 @@ static int print_events_table_entry(void *data, char *name, char *event,
> return 0;
> }
>
> +struct event_struct {
> + char *name;
> + char *event;
> + char *desc;
> + char *long_desc;
> + char *pmu;
> + char *unit;
> + char *perpkg;
> + char *metric_expr;
> + char *metric_name;
> + char *metric_group;
> + LIST_ENTRY(event_struct) list;

is there any reason you don't use the 'struct list_head' ?
I dont think we want another thingie involved for lists

jirka