linux-kernel - Re: [PATCH v3 perf,bpf 05/11] perf, bpf: save bpf_prog_info in a rbtree in perf

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Date:   Mon, 18 Feb 2019 00:06:55 +0100
From:   Jiri Olsa <jolsa@...hat.com>
To:     Song Liu <songliubraving@...com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        ast@...nel.org, daniel@...earbox.net, kernel-team@...com,
        peterz@...radead.org, acme@...hat.com, jolsa@...nel.org,
        namhyung@...nel.org
Subject: Re: [PATCH v3 perf,bpf 05/11] perf, bpf: save bpf_prog_info in a
 rbtree in perf_env

On Fri, Feb 15, 2019 at 01:53:48PM -0800, Song Liu wrote:

SNIP

> @@ -165,6 +179,19 @@ static int perf_event__synthesize_one_bpf_prog(struct perf_tool *tool,
>  		memcpy(bpf_event->tag, info->tag, BPF_TAG_SIZE);
>  		memset((void *)event + event->header.size, 0, machine->id_hdr_size);
>  		event->header.size += machine->id_hdr_size;
> +
> +		/* save bpf_prog_info to env */
> +		info_node = malloc(sizeof(struct bpf_prog_info_node));
> +		if (info_node) {
> +			info_node->info_linear = info_linear;
> +			perf_env__insert_bpf_prog_info(env, info_node);
> +			info_linear = NULL;
> +		}
> +
> +		/*
> +		 * process after saving bpf_prog_info to env, so that
> +		 * required information is ready for look up
> +		 */
>  		err = perf_tool__process_synth_event(tool, event,
>  						     machine, process);
>  	}
> @@ -175,7 +202,7 @@ static int perf_event__synthesize_one_bpf_prog(struct perf_tool *tool,
>  	return err ? -1 : 0;
>  }
>  
> -int perf_event__synthesize_bpf_events(struct perf_tool *tool,
> +int perf_event__synthesize_bpf_events(struct perf_session *session,
>  				      perf_event__handler_t process,
>  				      struct machine *machine,
>  				      struct record_opts *opts)

please move the prototype change into separate patch

thanks,
jirka