Re: [PATCH V4 1/7] perf,tools: introduce generic FEAT for CPU attributes

From: Jiri Olsa
Date: Fri Aug 21 2015 - 04:57:20 EST


On Tue, Aug 18, 2015 at 10:16:35AM -0400, Kan Liang wrote:

SNIP

> diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
> index 9b53b65..233c24d 100644
> --- a/tools/perf/util/header.h
> +++ b/tools/perf/util/header.h
> @@ -31,6 +31,7 @@ enum {
> HEADER_PMU_MAPPINGS,
> HEADER_GROUP_DESC,
> HEADER_AUXTRACE,
> + HEADER_CPU_ATTR,
> HEADER_LAST_FEATURE,
> HEADER_FEAT_BITS = 256,
> };
> @@ -66,6 +67,11 @@ struct perf_header;
> int perf_file_header__read(struct perf_file_header *header,
> struct perf_header *ph, int fd);
>
> +enum perf_header_cpu_attr {
> + PERF_HEADER_CPU_MAX_FREQ = 0,
> + PERF_HEADER_CPU_ATTR_MAX,
> +};
> +
> struct perf_session_env {
> char *hostname;
> char *os_release;
> @@ -75,6 +81,7 @@ struct perf_session_env {
> int nr_cpus_avail;
> char *cpu_desc;
> char *cpuid;
> + u64 cpu_attr[PERF_HEADER_CPU_ATTR_MAX];

it'd more readable having struct with all fields
instead of the tag accesible array

jirka
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/