Re: [PATCH 4/4] perf test: Validate PERF_RECORD_ events and perf_samplefields

From: David Ahern
Date: Fri Dec 02 2011 - 12:08:12 EST




On 12/02/2011 09:19 AM, Arnaldo Carvalho de Melo wrote:
> +found_exit:
> + if (nr_events[PERF_RECORD_COMM] > 1) {
> + pr_debug("Excessive number of PERF_RECORD_COMM events!\n");
> + goto out_err;
> + }
> +
> + if (nr_events[PERF_RECORD_COMM] == 0) {
> + pr_debug("Missing PERF_RECORD_COMM for %s!\n", cmd);
> + goto out_err;
> + }
> +
> + if (!found_cmd_mmap) {
> + pr_debug("PERF_RECORD_MMAP for %s missing!\n", cmd);
> + goto out_err;
> + }
> +
> + if (!found_libc_mmap) {
> + pr_debug("PERF_RECORD_MMAP for %s missing!\n", "libc");
> + goto out_err;
> + }
> +
> + if (!found_ld_mmap) {
> + pr_debug("PERF_RECORD_MMAP for %s missing!\n", "ld");
> + goto out_err;
> + }
> +
> + if (!found_vdso_mmap) {
> + pr_debug("PERF_RECORD_MMAP for %s missing!\n", "[vdso]");
> + goto out_err;
> + }


Since this is a test why not show all missed events rather than punt to
out_err on the first missed one?

David


> +
> + err = 0;
> +out_err:
> + perf_evlist__munmap(evlist);
> +out_free_cpu_mask:
> + CPU_FREE(cpu_mask);
> +out_delete_evlist:
> + perf_evlist__delete(evlist);
> +out:
> + return err;
> +}
> +
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