[PATCH V7 5/5] perf tools: adding sink configuration for cs_etm PMU
Suzuki K Poulose
Suzuki.Poulose at arm.com
Wed Aug 31 02:37:43 PDT 2016
On 30/08/16 17:19, Mathieu Poirier wrote:
> Using the PMU::set_drv_config() callback to enable the CoreSight
> sink that will be used for the trace session.
> +int cs_etm_set_drv_config(struct perf_evsel_config_term *term)
> +{
> + int ret;
> + char enable_sink[ENABLE_SINK_MAX];
> +
> + snprintf(enable_sink, ENABLE_SINK_MAX, "%s/%s",
> + term->val.drv_cfg, "enable_sink");
> +
> + ret = cs_device__print_file(enable_sink, "%d", 1);
> + if (ret < 0)
> + return ret;
> +
> + return 0;
> +}
Don't we have to disable the sink at the end of the session ? How is that
taken care of ? Did I miss that ?
Suzuki
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